March 2021 – Page 276

How is DBPM calculated?

This is done by taking the players minutes and dividing by the number of games they have played plus 4. Create an estimated BPM based on the regressed minutes played. This is calculated as – 4.75 + 0.175 * ReMPG.

How is vorp calculated NBA?

VORP – Value Over Replacement Player (available since the 1973-74 season in the NBA); a box score estimate of the points per 100 TEAM possessions that a player contributed above a replacement-level (-2.0) player, translated to an average team and prorated to an 82-game season.

What is Obpm basketball?

We publish these as Advanced Box Score Stats and you can read about these component calculations in our glossary. Note that there is a separate calculation for the offensive component of a player’s BPM, which yields both OBPM (Offensive Box Plus/Minus) and DBPM (Defensive Box Plus/Minus).

What is RPM NBA?

Real Plus Minus (RPM) is the player’s average impact in terms of net point differential per 100 offensive and defensive possessions.

What does 3PM mean in basketball?

3 Point Field Goals Made
3PM. Name 3 Point Field Goals Made Definition The number of 3 point field goals that a player or team has made Type Traditional Contexts Box Score Clutch Shooting Defensive Dashboard Player.

How do you read a basketball box score?

How to Read a Box Score

MIN = Minutes.
FGM = Field-goals made.
FGA = Field-goals attempted.
FG% = Field goal percentage.
3PM = 3-pointers made.
3PA = 3-pointers attempted.
3P% = 3-point percentage.
FTM = Free throws made.

Is Box Plus-Minus reliable?

The Defensive Box Plus-Minus is less reliable than its offensive counterpart. The VORP, on the other hand, stands for Value Over Replacement Player and is a statistic dependent on the BPM: it takes BPM values to create a unique rating scale for the League in which the Replacement Player will be the reference value.

Who has the lowest plus/minus in NBA history?

Manny Harris has the lowest plus-minus in a game, at -57 against the Lakers on January 11, 2011.

What is LeBron James plus-minus?

LeBron James’ plus-minus ratio of minus-32 is the worst of ANY GAME in his NBA career (899 games). Sir Choke A lot?

What is 3PM and 3PA in basketball?

Formula: 3PM/3PA The number of 3-point field goals that a team or player attempts. 3PM. 3-Point Field Goals Made. The number of 3-point field goals that a team or player makes. 3FREQ.

What is a 3 3PM game?

3PA, 3PM: Three pointers attempted, three pointers made.

How do box scores work?

In volleyball, a box score is used as a statistical scoring summary of the match. The starting six players of each respective team, with the visiting team listed first, is listed on the left side of the box score. This is followed by players that substituted into the match below the starting six.

What is a top two box score?

A NET of the highest two categories of a Rating Scale. For example, if the scale is: Strongly Disagree, Somewhat Disagree, Neither Agree not Disagree, Somewhat Agree and Strongly Agree, then the combined category of Somewhat Agree and Strongly Agree is referred to as the Top Two Box Score .

What is top box scoring and why do you need it?

Top-box scoring has its place for quickly assessing results and especially for stand-alone studies when there’s no meaningful comparison or benchmark. If the results ever get compared though, you’ll want a more precise scoring system to have a good chance of detecting any differences in attitudes from design changes.

What is the abbreviation for box score?

An abbreviated version of the box score, duplicated from the field scoreboard, is the line score. The Baseball Hall of Fame credits Henry Chadwick with the invention of the box score in 1858.

What stats are shown in the box score?

At minimum are shown each batter’s at bats, runs, hits, and runs batted in. Some box scores show other player statistics such as home runs, stolen bases, bases on balls, strikeouts, fielding errors, times left on base, home runs, or season batting average.

How do I reset my Bose SoundTouch to factory settings?

Use the 1 and volume down buttons to reset the speaker. Hold down both buttons for 10 seconds and wait until a message appears on the display. The message states that you must hold down the buttons to reset your speaker to factory settings.

How do I update my Bose SoundTouch firmware?

SoundTouch® Portable System

Download the software update file for your system. Select your system.
Copy the software update file onto a USB drive. Insert a USB drive into a USB port on your computer.
Update your SoundTouch® system to the latest software version. Connect the system to power.
Confirm the software update.

Why won’t my Bose SoundTouch connect?

Reboot your router. Routers may need to be reset from time to time—much like rebooting a computer. Disconnect power from the router for 30 seconds, then wait for it to start up and connect. (Note: Any device connected to the Internet will be interrupted during the reset.)

Why is my Bose SoundTouch not connecting?

Reboot the device running the Bose app. Electronics might need to be rebooted from time to time to correct minor issues. This is typically done by powering off the device completely and then powering it back on again.

Did Bose discontinue SoundTouch 10?

Is Bose SoundTouch being phased out? As we are evolving our product assortment to better serve your needs, we are discontinuing sales of some SoundTouch products. We remain committed to support both the SoundTouch app and product software for the foreseeable future.

Is Bose SoundTouch IV discontinued?

Bose Wave Music System IV has been discontinued and replaced by Bose Wave Music System SoundTouch IV.

How do I play SoundTouch wiedergeben?

Drücken Sie im Menü „PLAY ALL“ (Überall wiedergeben), wählen Sie die Räume aus, in denen Musik wiedergegeben werden soll, und steuern Sie jedes System individuell – direkt mit der SoundTouch App auf Ihrem Smartphone oder Tablet. Genießen Sie SoundTouch überall in Ihrem Zuhause.

What is A Soundtouch app?

SoundTouch lets you take total control of your listening experience. Browse popular music services, as well as Internet radio stations through TuneIn, or your stored music library. Start streaming music instantly, or use the app to easily personalize the presets for one-touch access to the music you love.

Is SoundTouch only for the home theater?

But SoundTouch is a complete ecosystem found in many of our products, including home theater and outdoor speakers. Ready to experience the benefits of SoundTouch in other areas of your home?

What kind of radio stations does SoundTouch offer?

SoundTouch systems currently offer Internet radio stations through TuneIn, and music services such as Spotify®, Pandora®, Amazon Music, iHeartRadio™, SiriusXM, Deezer, and QPlay (where available). They also can stream music from a music library stored on a computer or NAS drive.

Where can I fish on the Cimarron River?

Ute Creek Ranch: A two piece section of the Cimarron near the town of Ute Park. Overall it is about a mile of water. This area is not stocked but there is a healthy resident population of about 3500 brown trout per mile and it is entirely catch and release.

Where is the Cimarron River Colorado?

The Cimarron River is located in the southwest of Colorado and flows 22 miles north from its source to where it joins the Gunnison River. The scenery around the Cimarron River is incredibly stunning, especially near the Silver Jack Reservoir in the Uncompahgre National Forest.

Where does the Cimarron River begin?

Dry Cimarron River
Carrizozo CreekJohnson Mesa
Cimarron River/Sources

What lake does Cimarron River empty into?

The Cimarron drains a basin that encompasses about 18,927 square miles (49,020 km2)….Cimarron River (Arkansas River tributary)

Cimarron River
• elevation	4,318 ft (1,316 m)
Mouth	Arkansas River
• location	Keystone Lake, at Westport, Pawnee County, Oklahoma

What county is Silver Jack Reservoir in?

Gunnison County
The Silver Jack Reservoir is a beautiful, remote lake located in the Uncompahgre National Forest south of Cimarron, Colorado. With well-maintained facilities, the Silver Jack Reservoir Recreation Area is a popular Gunnison County destination for day-use and overnight visits.

Is Cimarron River real?

Cimarron River, river rising in northeastern New Mexico, U.S., near Capulin Mountain National Monument and flowing 698 mi (1,123 km) to enter the Arkansas River near Tulsa, Okla.

How deep is the Cimarron River?

100 to 225 feet deep
The valley of Cimarron River is about half a mile wide throughout the county and is 100 to 225 feet deep.

What kind of fish are in Silver Jack Reservoir?

In both the river and reservoir, anglers have their shot at catching brown, rainbow, cutthroat, and other trout species. Picnicking: There are no day-use fees for any of the Silver Jack Reservoir Recreation Area facilities located outside of the campground area.

Where is Owl Creek Pass?

Owl Creek Pass is located on the border of Gunnison County and Ouray County in the Cimarron Mountains. Positioned at 10,114 feet above the Uncompahgre National Forest, Owl Creek Pass is a scenic summit east of Ridgway, Colorado.

What River goes through Tulsa OK?

The Arkansas River
The Arkansas River is an iconic feature of Tulsa, cutting across downtown and winding through the west side of the city.

What does Cimarron River flow into?

Arkansas River
Keystone Lake
Cimarron River/Mouths

What is the elevation of Silver Jack Reservoir?

The latitude and longitude coordinates (GPS waypoint) of Silver Jack Reservoir are 38.2449913 (North), -107.5439485 (West) and the approximate elevation is 8,763 feet (2,671 meters) above sea level.

What is the embryonic development of the heart?

The heart forms from an embryonic tissue called mesoderm around 18 to 19 days after fertilization. Mesoderm is one of the three primary germ layers that differentiates early in development that collectively gives rise to all subsequent tissues and organs.

What are the fetal heart structures called?

Two structures develop in the prenatal heart that allow the blood to be routed around the lungs: the foramen ovale and the ductus arteriosus. The foramen ovale is a hole that exists between the left and right atria.

Which embryonic heart structure gives rise to the right atrium?

The truncus arteriosus will eventually divide and give rise to the ascending aorta and pulmonary trunk. The bulbus cordis develops into the right ventricle. The primitive ventricle forms the left ventricle. The primitive atrium becomes the anterior portions of both the right and left atria, and the two auricles.

What are the major structural differences between the fetal and human heart?

The heart structure of the fetus differs from the normal postnatal heart in that there is an opening in the atrial septum called the foramen ovale (FO in diagram). This allows most of the blood that enters the right atrium to flow into the left atrium instead of into the right ventricle.

What major events distinguish embryonic and fetal development?

The embryonic period is all about the formation of important systems of the body. Think of it as your baby’s basic foundation and framework. The fetal period, on the other hand, is more about growth and development so your baby can survive in the outside world.

Which connects the fetal umbilicus to the fetal surface of the placenta?

The umbilical cord
The umbilical cord is the vital connection between the fetus and the placenta.

What is Neurulation and how it is different from gastrulation?

Neurulation is the process of developing the neural tube leading to the development of the brain and the spinal cord. Gastrulation, in contrast, occurs prior to the Neurulation process. Gastrulation is the process of developing the germ layers including ectoderm, endoderm, and mesoderm.

What are 2 main differences between the fetal heart and the heart of a newborn?

The fetus does not use its own lungs until birth, so its circulatory system is different from that of a newborn baby. Before birth, the fetal heart does not have to pump blood to the lungs to pick up oxygen. In other words, the fetal heart does not need a separate pulmonary artery and aorta.

What main structures are involved in fetal circulation?

The fetal circulation system is distinctly different from adult circulation. This intricate system allows the fetus to receive oxygenated blood and nutrients from the placenta. It is comprised of the blood vessels in the placenta and the umbilical cord, which contains two umbilical arteries and one umbilical vein.

When does fetus develop heart?

Week 3: Fetal heart begins to form at day 22 after fertilization, but it is too soft to be heard. Week 5: Fetal heart chambers start to develop. Week 6: Heart rate increases to 100–160 beats per minute (bpm). This is when you can see the baby’s heart beating during prenatal ultrasound monitoring.

What are the openings in the fetal heart?

Fetal heart rate monitoring is commonly used in obstetrics and as they can be understood to devise different bends for getting hold of the lucrative opportunities that are present in the ever-growing market. Additionally, insights into market expertâ

What are the stages of heart development?

Week 5 starts at 80 and ends at 103 bpm

Week 6 starts at 103 and ends at 126 bpm

Week 7 starts at 126 and ends at 149 bpm

Week 8 starts at 149 and ends at 172 bpm

At week 9 the embryonic heart tends to beat within a range of 155 to 195 bpm.

What is the heart rate of an embryo?

You can even see and measure this flicker of light on an ultrasound. The beats per minute (bpm) start at a slow 90 to 110 bpm and increase daily. They continue to increase until they peak around week 9, between 140 and 170 bpm for boys and girls alike. Still, you can find lots of forum topics across the web on this subject.

How do you teach text marking?

Start with the number one and continue numbering sequentially until you reach the end of the text or reading assignment. Write the number near the paragraph indention and circle the number; write it small enough so that you have room to write in the margin. you can easily refer to specific sections of the text.

How do you annotate videos on iPhone?

iOS 12: How to markup, add effects, and edit photos and videos within Messages on iPhone

Open Messages.
Tap the camera icon on the left hand side of the message field.
Take a photo or video.
Use the effects, edit or markup features that pop up.
Tap the white arrow/blue circle to share your edited photo.

Why did YouTube get rid of Annotations?

YouTube actually announced the end of annotations early in 2017, when the video platform shut down the annotations editor. At the time, YouTube said the reason for ending them was due to a 70-percent decrease in usage. The main cause? Annotations simply didn’t work on mobile.

What is marking a text?

“Marking the Text” is an active reading strategy that asks students to think critically about their reading. It helps students determine the essential information in a reading passage, isolating it visually from the rest of the surrounding text.

What is questioning the text?

Questioning the author is a strategy that engages students actively with a text. Rather than reading and taking information from a text, the QtA strategy encourages students to ask questions of the author and the text. Through forming their questions, students learn more about the text.

How do you annotate step by step?

How do you annotate?

Summarize key points in your own words.
Circle key concepts and phrases.
Write brief comments and questions in the margins.
Use abbreviations and symbols.
Highlight/underline.
Use comment and highlight features built into pdfs, online/digital textbooks, or other apps and browser add-ons.

What is an annotated question?

An annotated question is when a student is given some source (document or video) and asked to analyze that source by marking or “annotating” parts of the source to answer a question.

Is there a website that annotates for you?

Edji lets you upload any text and have readers annotate it with comments. You can make all the comments public to readers, or keep them private. Prism also lets you just annotate text to upload, but in a very dynamic way.

What is the difference between TCP IP and UDP?

TCP is a connection-oriented protocol, whereas UDP is a connectionless protocol. A key difference between TCP and UDP is speed, as TCP is comparatively slower than UDP….Get stories like this in your inbox.

Feature	TCP	UDP
Retransmission of data	Retransmission of lost packets is possible	No retransmission of lost packets

What is TCP and UDP with example?

TCP – used for traffic that you need all the data for. i.e HTML, pictures, etc. UDP – used for traffic that doesn’t suffer much if a packet is dropped, i.e. video & voice streaming, some data channels of online games, etc.

What are the main differences and similarities between TCP IP and UDP protocols?

TCP’s size of the header is 20 bytes, whereas, UDP is 8 bytes. However, they have common header fields that are, source point, destination point, and checksum. Use by other protocols FTP, SMTP, HTTP, HTTPs, Telnet use TCP Protocols, and UDP protocols are used by TFTP, SNMP, DNS, DHCP, RIP, VOIP.

How does TCP differ from UDP choose two?

TCP differs from UDP in the following ways: TCP provides best effort delivery. TCP provides synchronized communication. TCP segments are essentially datagrams.

How are TCP and UDP similar?

Both TCP and UDP are protocols used for sending bits of data—known as packets—over the Internet. Both protocols build on top of the IP protocol. In other words, whether you’re sending a packet via TCP or UDP, that packet is sent to an IP address.

What is TCP IP UDP?

Transmission Control Protocol (TCP or TCP/IP) and User Datagram Protocol (UDP or UDP/IP) are both transport protocols layered on top of the Internet Protocol (IP). Use the TCP/IP and UDP interfaces for reading and writing both binary data and ASCII data.

What is the difference between UDP and TCP protocols where and why are each of them is used outline the pros and cons for each?

TCP is suited for applications that require high reliability, and transmission time is relatively less critical. UDP is suitable for applications that need fast, efficient transmission, such as games. UDP’s stateless nature is also useful for servers that answer small queries from huge numbers of clients.

What’s the difference between TCP and UDP?

When configuring some network hardware or software, you may need to know the difference. Both TCP and UDP are protocols used for sending bits of data—known as packets—over the Internet. Both protocols build on top of the IP protocol. In other words, whether you’re sending a packet via TCP or UDP, that packet is sent to an IP address.

Is UDP or TCP better for video conferencing?

But because UDP avoids the unnecessary overheads of TCP transport, it’s incredibly efficient in terms of bandwidth, and much less demanding of poor performing networks, as well. Which is Better for Video Conferencing?

What is the header size of UDP and TCP?

Header size of UDP is 8 bytes, and that of TCP is more than double. TCP header size is 20 bytes since, and TCP header contains options, padding, checksum, flags, data offset, acknowledgment number, sequence number, source and destination ports, etc.

What is the sequence of data in TCP and UDP?

No acknowledgment segment. Sequencing of data is a feature of Transmission Control Protocol (TCP). this means that packets arrive in order at the receiver. There is no sequencing of data in UDP. If the order is required, it has to be managed by the application layer. TCP is comparatively slower than UDP.

How do you know if your baby has a bacterial infection?

Most infections in newborns are caused by bacteria, while some are caused by viruses. Symptoms of infection include temperature above 38.0 degrees C, poor feeding, irritability, excessive sleepiness, rapid breathing and change in behaviour.

How do I know if my baby has necrotizing enterocolitis?

A baby with necrotizing enterocolitis might have these symptoms:

a swollen, red, or tender belly.
trouble feeding.
food staying in the stomach longer than expected.
constipation.
diarrhea and/or dark or bloody stools (poop)
being less active or lethargic.
a low or unstable body temperature.
green vomit (containing bile)

What are the symptoms of enterocolitis?

These toxins damage and inflame the inner wall of the intestines and cause symptoms, including:

cramps and bloating.
the urge to use the bathroom more frequently.
watery diarrhea.
fever.
tiredness.
a general ill feeling or malaise.
severe stomach pain.

How do infants get bacterial infections?

The most common bacterial infections among children are skin, ear, and throat infections. Bacterial infections are more common among very young children because they are exposed so often to and in such close contact with other young children.

What are common bacterial infections in babies?

Group B streptococcus is a common type of bacterium that can cause a variety of infections in newborns. Some of the most common are sepsis, pneumonia, and meningitis.

How long does a bacterial infection last without antibiotics?

Even without antibiotics, most people can fight off a bacterial infection, especially if symptoms are mild. About 70 percent of the time, symptoms of acute bacterial sinus infections go away within two weeks without antibiotics.

What is enterocolitis and its treatment?

The treatment of one cause of colitis, necrotizing enterocolitis (NEC), includes cessation of feedings, nasogastric decompression, and intravenous (IV) fluid resuscitation with attention to electrolytes and acid-base balance. Antibiotics should be started as soon as cultures are obtained.

What bacteria causes necrotizing enterocolitis?

Gram-Positive Bacteria

Staphylococcus epidermidis.
Clostridia species.
Clostridium perfringens.
Clostridium difficile.
Clostridium butyricum.

Is enterocolitis an infection?

Enterocolitis is an inflammation of the digestive tract, involving enteritis of the small intestine and colitis of the colon. It may be caused by various infections, with bacteria, viruses, fungi, parasites, or other causes.

What are some examples of bacterial infections?

Examples of bacterial infections include whooping cough, strep throat, ear infection and urinary tract infection (UTI).

Who is most at risk for bacterial infections?

High-risk children include

Infants younger than 3 months.
Children who have no spleen.
Children who have an immune system disorder.
Children who have sickle cell disease. read more.
Children who have cancer.
Children who have not had recommended vaccinations.

What is the cure for bacterial infections?

Antibiotics are the usual treatment. When you take antibiotics, follow the directions carefully. Each time you take antibiotics, you increase the chances that bacteria in your body will learn to resist them causing antibiotic resistance. Later, you could get or spread an infection that those antibiotics cannot cure.

What are the signs and symptoms of enterocolitis after birth?

Although necrotizing enterocolitis usually occurs in babies between three and 12 days after birth, late onset may occur many weeks after birth. Each baby experiences the necrotizing enterocolitis symptoms differently, which may include: Bile-colored (green) vomiting or gastric drainage

How is enterocolitis diagnosed in babies?

To confirm a diagnosis of enterocolitis, the following examinations or tests may be used: During the exam, the doctor examines the baby’s abdomen to check for swelling, pain, and tenderness. A stool culture is done to determine the type of infection. Other stool tests used are:

What is necrotizing enterocolitis in babies?

Necrotizing Enterocolitis. Necrotizing enterocolitis (NEC) is an inflammation in the intestines and usually occurs in premature babies. The damage that NEC causes to the intestinal tissues can cause a hole in the intestines that allows bacteria leak out into the abdomen and cause infection.

What is the prevalence of enterocolitis in infants under 3 pounds?

About 10 percent of infants weighing less than 3 pounds, 5 ounces (or 1,500 grams) experience necrotizing enterocolitis. The immature bowels of these babies are sensitive, and prone to infection.

How do you write a good speaker introduction?

Tips for Introducing a Guest Speaker

Remind the audience why the topic is important to them.
Establish the speaker’s qualifications to speak on the topic.
Get the presentation off on a high note by establishing an up-beat tone.
Make the speaker feel especially welcome.

What is an introductory speaker?

Speaker introduction is a procedural formality that an introducer performs before a speaker delivers a speech. Speakers just cannot come up to a stage and start speaking, but have to be introduced. It is based on the premise that every speaker deserves a thoughtful and helpful introduction.

How do you introduce speakers in Toastmasters?

How to Introduce a Speaker

Give star billing to the speaker. Don’t be a scene stealer.
Know what the speaker will be talking about and plan your introduction around that topic.
Emphasize to the audience the speaker’s expertise and experience in the topic.
Set the mood for the speaker and the speech.
Be brief!

What is a guest speaker series?

The Guest Speaker Series brings guest speakers from a variety of industries into Penn State writing classes to speak with students.

How do I introduce a speaker to a webinar?

The Perfect Two-Minute Webinar Opening

“Hello everyone and welcome to today’s session.”
“I’d like to introduce today’s presenter.”
“A recorded version of this webinar will be available.”
“We’d love to hear from you!”
“For those of you just joining us, welcome.”

How do you end a speaker introduction?

To wrap up the introduction, welcome the speaker to the stage by saying the exact title of the presentation and saying his or her full name again. When announcing the title of the presentation (as you did with the speaker’s name), be sure you say exactly what was given to you by the speaker.

How do you introduce a speaker to a webinar?

How do you introduce a speaker in a club meeting?

Don’t steal the show by making the introduction too long (60 seconds or less is sufficient), or by speaking on a topic that is in no way related to the speaker. Briefly mention the topic the speaker is addressing, but don’t reveal too much about his or her speech. Establish the speaker’s authority and expertise.

What makes a good introduction?

A good introduction should identify your topic, provide essential context, and indicate your particular focus in the essay. It also needs to engage your readers’ interest.

How to write a speaker introduction for an event?

There’s another element that you can add into any introduction and that is a more personal touch. This requires that you can contact the speaker before the event or at least have a few words with them on the day. What you try and find out is some personal anecdote or connection that you weave into the speaker introduction.

Should you write personal remarks in an introduction to a speaker?

If you know the speaker really well, and feel that it will help if you tell something complimentary, go ahead and do it–briefly. But do your personal remarks PRIOR to reading the prepared introduction. And even then be careful. Ask yourself, Will what I say really help the speaker be a success?

How do you write a good introduction for a presentation?

Write your introduction for the ear, not the eye. Read every word of your introduction aloud. Make sure what you say sounds natural. Two. Give yourself credibility. Imagine that individuals in the audience are asking, “Why should I listen to this speaker?” Your introduction should answer that question.

What is Edxrf spectrometer?

In EDXRF spectrometers, the X-ray tube acting as a source irradiates a sample directly, and the fluorescence coming from the sample is measured with an energy dispersive detector. This detector is able to measure the different energies of the characteristic radiation coming directly from the sample.

What’s the difference between Wdxrf and Edxrf?

WDXRF systems can routinely provide working resolutions between 5 eV and 20 eV, depending on their set up, whereas EDXRF systems typically provide resolutions ranging from 150 eV to 300 eV or more, depending on the type of detector used.

How does micro XRF work?

Micro-XRF is an energy-dispersive method which uses a polycapillary optic to guide the excitation X-rays into a micrometer-sized spot on the sample. Thus, it cannot only tell you what elements are in a sample and how much of them, but also where exactly they are.

How many reference crystals are in WD XRF?

The instrument is equipped with five different crystals that can be used in the wavelength dispersion, ranging from 0.124 Å (LiF220) to 162.662 Å (AX16c), and the choice is based on which crystal can disperse the characteristic wavelength from the analyte.

What does an XRF measure?

XRF (X-ray fluorescence) is a non-destructive analytical technique used to determine the elemental composition of materials. XRF analyzers determine the chemistry of a sample by measuring the fluorescent (or secondary) X-ray emitted from a sample when it is excited by a primary X-ray source.

How many types of XRF instruments are there?

There are two main types of XRF instruments: Energy Dispersive X-ray fluorescence (EDXRF)and Wavelength Dispersive X-ray Fluorescence (WDXRF). X-ray optics can be used to enhance both types of XRF instrumentation.

What are the major advantages of WDX?

Advantages of WDX analysis over EDX analysis include: 1) a much better energy resolution, preventing many peak overlap errors frequently encountered in EDX analysis; and 2) lower background noise allowing a more accurate quantitative analysis.

What is wavelength dispersive XRF?

Wavelength dispersive x-ray fluorescence spectroscopy (WDXRF or WDX) is a non-contact, non-destructive technique used to measure elemental composition, elemental concentration per unit area, and film thickness. Due to its acute element sensitivity, it is particularly useful for identifying trace elements.

What is the principle of XRF?

The principle of XRF A primary X-ray, typically generated in an X-ray tube, hits an inner shell electron of the atom and ejects the election from the atom. The open position is filled by an electron from a further outer shell and fluorescence radiation is emitted.

What is difference between XRD and XRF?

What is the difference between XRD and XRF? XRD can determine the presence and amounts of minerals species in sample, as well as identify phases. XRF will give details as to the chemical composition of a sample but will not indicate what phases are present in the sample.

What is wavelength dispersive Xray fluorescence?

What is semi quantitative analysis in XRF?

A semi-quantitative analysis in XRF usually is a combination of both, qualitative and quantitative analyses. The semi-quantitative analysis determines the presence of all measurable elements.

What is a filter in EDXRF spectroscopy?

Filters positioned between sample and detector are used to improve signal, background reduction, and focus on certain regions of the spectra. EDXRF instruments can have one of two types of excitation geometry; direct excitation, or 2D optics, and indirect excitation, also called 3D optics.

How can EDX-ray optics enhance XRF instrumentation?

X-ray optics can be used to enhance EDXRF instrumentation. For conventional XRF instrumentation, typical focal spot sizes at the sample surface range in diameter from several hundred micrometers up to several millimeters.

How does EDXRF work?

How EDXRF Works. EDXRF is designed to analyze groups of elements simultaneously. This type of XRF instrumentation separates the characteristic x-rays of different elements into a complete fluorescence energy spectrum which is then processed for qualitative or quantitative analysis.

What is the resolution of an EDXRF system?

Resolution of EDXRF systems is dependent upon the detector, and typically ranges from 150 eV – 600 eV. The principal advantages of EDXRF systems are their simplicity, fast operation, lack of moving parts, and high source efficiency.

https://www.youtube.com/watch?v=1-ga0qzRtfs

What do the numbers mean in a rifle scope?

A rifle scope specification includes two numbers. The first number identifies the magnification while the second number identifies the diameter of the objective lens. Thus, a specification of 8.5×50 describes a scope with 8.5× magnification and an objective lens that is 50 mm in diameter.

What is inside a rifle scope?

The inside of a rifle scope functions much like a telescope. In the front, there is a larger objective lens where light enters the scope body, and in the rear an ocular lens that focuses that light on the shooter’s eye.

How does the magnification of a rifle scope work?

Power expresses the magnification as a factor compared to the naked eye. So in a fixed power scope, such as the 4×32, the object in view is magnified four times. An object would appear to be four times closer than it would with the naked eye. Therefore, a higher number has a greater magnification.

What is the objective on a rifle scope?

Just so we’re clear, the objective of a riflescope is the lens furthest away from your eye. In most cases, the objective lens is the largest part of the entire tube body. It plays a critical part in the amount of light that enters the scope.

What is the objective side of a scope?

The objective lens is on the end of the scope farthest from the rifle’s stock. Its purpose is to transmit light back to the ocular lens, which is the lens closest to your eye. The part of the scope that houses the objective lens is the objective bell, while the section containing the ocular lens is the eyepiece.

How do I put a scope on my rifle?

THE .22 DILEMMA. The most grievous of these sins is thinking that lowly rimfires don’t deserve much in the way of scopes,because we’re not going to shoot anything important

SIGHTING MADE SIMPLE. One solution is simply to use low-magnification scopes.

GREAT SCOPES TO COME.

FIVE GREAT COMPACTS.

How to setup your rifle scope?

Ensure that all screws,screw holes,mounts,and bases are clean and free from dirt and grease that could reduce tightness.

Steady the rifle and place it in your preferred firing position,or that which you intend on using post often.

Ensure that the scope’s base plate (or accessory rail) is tightened to the required setting.

How to use a rifle scope properly?

Align and adjust the sights properly.

Make sure that your eye relief is still maintained.

Eliminate all unnecessary movements: control your heartbeats,breath,and muscle twitches to prevent the gun from moving.

Ready?

Slowly and steadily pull the trigger of the rifle.

How to find the best rifle scope?

Magnification. Magnification is the reason we buy a scope,to begin with,but it isn’t as simple as picking the biggest number.

Fixed and Variable Power.

Focal Plane.

Objective Lens Size.

Lens Quality.

Lens Coating.

Reticle Pattern.

Crosshair&Duplex.

BDC&Ranging Reticles.

Shaped Reticles.