Encyclopedia - 1 E-10 M: Encyclopedia - 1 E-10 M
To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m (100 pm and 1 nm). Lengths shorter ...   » Read the article

Encyclopedia - Cardiology Diagnostic Tests And Procedures: Encyclopedia - Cardiology Diagnostic Tests And Procedures
The diagnostic tests in cardiology are methods of identifying heart conditions associated with healthy vs. unhealthy, pathologic, heart f...   » Read the article

Encyclopedia - Uraninite: Encyclopedia - Uraninite
Uraninite is a uranium-rich mineral with a composition that is largely UO2 (uranium oxide), but which also contains UO3 and oxides of lea...   » Read the article

Encyclopedia - Chemical Element: Encyclopedia - Chemical Element
A chemical element, often called simply element, is a chemical substance that cannot be divided or changed into other chemical substances...   » Read the article

Encyclopedia - 43 Number: Encyclopedia - 43 Number
43 is the natural number following 42 and preceding 44. << 40 41 42 43 44 45 46 47 48 49 >> List of numbers -- Integers 0 10 ...   » Read the article

Encyclopedia - Cholecystitis: Encyclopedia - Cholecystitis
Cholecystitis is inflammation of the gallbladder. It is commonly due to impaction (sticking) of a gallstone within the neck of the gall b...   » Read the article

Encyclopedia - Abundance Of The Chemical Elements: Encyclopedia - Abundance Of The Chemical Elements
The abundance of a chemical element measures how common the element is, or how much of the element there is. Abundance of the chemical el...   » Read the article

Encyclopedia - 1 E13 S: Encyclopedia - 1 E13 S
To help compare orders of magnitude of different times this page lists times between 320 000 years and 3 200 000 years (1013 seconds and ...   » Read the article

Encyclopedia - 42 Number: Encyclopedia - 42 Number
42 is the natural number following 41 and followed by 43. << 40 41 42 43 44 45 46 47 48 49 >> List of numbers -- Integers 0 1...   » Read the article

Encyclopedia - 1 E-25 Kg: Encyclopedia - 1 E-25 Kg
To help compare different orders of magnitude we list here masses between 60.22 u and 602.2 u (10-25 kg and 10-24 kg, or 100 yoctograms a...   » Read the article

Encyclopedia - Superconductivity: Encyclopedia Ii - Superconductivity - Elementary Properties Of Superconductors
Most of the physical properties of superconductors vary from material to material, such as the heat capacity and the critical temperature...   » Read the article

Encyclopedia - Radionuclide: Encyclopedia Ii - Radionuclide - Uses
Radionuclides are used in two major ways: for their chemical properties and as sources of radiation. Radionuclides of familiar elements s...   » Read the article

Encyclopedia - The Elements Song: Encyclopedia Ii - The Elements Song - Lyrics
There's antimony, arsenic, aluminum, selenium, And hydrogen and oxygen and nitrogen and rhenium, And nickel, neodymium, neptunium, german...   » Read the article

Encyclopedia - Abundance Of The Chemical Elements: Encyclopedia Ii - Abundance Of The Chemical Elements - Abundance Of Elements In Earth
Scientists believe that the Earth formed from the same cloud of matter that formed the Sun. Abundance of the chemical elements - Abundan...   » Read the article

Encyclopedia - Nuclear Medicine: Encyclopedia Ii - Nuclear Medicine - Imaging Equipment
The radiation emitted from the radionuclide inside the body is usually detected using a gamma camera. Traditionally, gamma-cameras have c...   » Read the article

Encyclopedia - 43 Number: Encyclopedia Ii - 43 Number - In Mathematics
Forty-three is the 14th smallest prime number. The previous is forty-one, with which it comprises a twin prime, the next is forty-seven. ...   » Read the article

Encyclopedia - Ruthenium: Encyclopedia Ii - Ruthenium - Notable Characteristics
A polyvalent hard white metal, ruthenium is a member of the platinum group, has four crystal modifications and does not tarnish at normal...   » Read the article

Encyclopedia - Aqueous Homogeneous Reactor: Encyclopedia Ii - Aqueous Homogeneous Reactor - History
Initial studies of homogeneous reactors took place toward the close of World War II. It pained chemists to see precisely fabricated solid...   » Read the article

Encyclopedia - Superconductivity: Encyclopedia Ii - Superconductivity - Elementary Properties Of Superconductors
Most of the physical properties of superconductors vary from material to material, such as the heat capacity and the critical temperature...   » Read the article

Encyclopedia - Wesel: Encyclopedia Ii - Wesel - History
The city originates from a Franconian manor that was first mentioned in the 8th century. In the 12th century Wesel came to get into posse...   » Read the article

Encyclopedia - Sellafield: Encyclopedia Ii - Sellafield - History
Sellafield - Windscale. The Sellafield site is built on land that was formerly part of the Windscale nuclear site, which is named after...   » Read the article

Encyclopedia - Nuclear Reprocessing: Encyclopedia Ii - Nuclear Reprocessing - Possible Methods For Future Use
Nuclear reprocessing - Aqueous methods. The PUREX process can be modified to make a UREX (URanium EXtraction) process which could be u...   » Read the article

Encyclopedia - Congenital Hypothyroidism: Encyclopedia Ii - Congenital Hypothyroidism - Causes
Around the world, the most common cause of congenital hypothyroidism is iodine deficiency, but in most of the developed world and areas o...   » Read the article

Encyclopedia - Henry Moseley: Encyclopedia Ii - Henry Moseley - Biography
Moseley was born in Weymouth, England. In 1906 he entered Trinity College of the University of Oxford, and on graduation from that instit...   » Read the article

Encyclopedia - Niobium: Encyclopedia Ii - Niobium - Applications
Niobium has a number of uses: it is a component of some stainless steels and an alloy of other nonferrous metals. These alloys are strong...   » Read the article

Encyclopedia - Transuranium Element: Encyclopedia Ii - Transuranium Element - List Of The Transuranic Elements:
93 neptunium Np 94 plutonium Pu 95 americium Am 96 curium Cm 97 berkelium Bk 98 californium Cf 99 einsteinium Es 100 fermium Fm 101 mende...   » Read the article

Encyclopedia - Fission Product: Encyclopedia Ii - Fission Product - Fission Products Listed According To Atomic Number
For fission of Uranium-235 the most common radioactive fission products include isotopes of Iodine, Caesium, Strontium, Xenon and Barium....   » Read the article

Encyclopedia - Gamma Ray: Encyclopedia Ii - Gamma Ray - Interaction With Matter
In terms of ionization, gamma radiation interacts with matter via three main processes: the photoelectric effect, Compton scattering, and...   » Read the article

Encyclopedia - Chemical Element: Encyclopedia Ii - Chemical Element - Nomenclature
The naming of elements precedes the atomic theory of matter, although at the time it was not known which chemicals were elements and whic...   » Read the article

Encyclopedia - Cholecystitis: Encyclopedia Ii - Cholecystitis - Radiology
Sonography is a sensitive and specific modality for diagnosis of acute cholecystitis; adjusted sensitivity and specificity for diagnosis ...   » Read the article

Encyclopedia - Cardiology Diagnostic Tests And Procedures: Encyclopedia Ii - Cardiology Diagnostic Tests And Procedures - Medical Imaging
Cardiology diagnostic tests and procedures - Coronary catheterization. Coronary catheterization uses pressure monitoring and blood samp...   » Read the article

Encyclopedia - Ruthenium: Encyclopedia Ii - Ruthenium - History
Ruthenium (Latin Ruthenia meaning "Russia") was discovered and isolated by Karl Klaus in 1844. Klaus showed that ruthenium oxide containe...   » Read the article

Encyclopedia - Congenital Hypothyroidism: Encyclopedia Ii - Congenital Hypothyroidism - Symptoms
Infants born with congenital hypothyroidism may show no effects, or may display mild effects that often go unrecognized as a problem: exc...   » Read the article

Encyclopedia - Congenital Hypothyroidism: Encyclopedia Ii - Congenital Hypothyroidism - Prognosis
Most children born with congenital hypothyroidism and correctly treated with thyroxine grow and develop normally in all respects. Even mo...   » Read the article

Encyclopedia - Ruthenium: Encyclopedia Ii - Ruthenium - Occurrence
This element is generally found in ores with the other platinum group metals in the Ural Mountains and in North and South America. Small ...   » Read the article

Encyclopedia - Congenital Hypothyroidism: Encyclopedia Ii - Congenital Hypothyroidism - Treatment
The goal of newborn screening programs is to detect and start treatment within the first 1-2 weeks of life. Treatment consists of a daily...   » Read the article

Encyclopedia - Ruthenium: Encyclopedia Ii - Ruthenium - Organometallic Chemistry
It is quite easy to form compounds with carbon ruthenium bonds, these compounds tend to be darker and react more quickly than the osmium ...   » Read the article

Encyclopedia - Chemical Element: Encyclopedia Ii - Chemical Element - Chemical Symbols
Chemical element - Specific chemical elements. Before chemistry became a science, alchemists had designed arcane symbols for both metal...   » Read the article

Encyclopedia - Cholecystitis: Encyclopedia Ii - Cholecystitis - Diagnosis
The classic patient with acute cholecystitis presents with acute right upper quadrant pain, nausea/vomiting, and fever. On physical exami...   » Read the article

Encyclopedia - Ruthenium: Encyclopedia Ii - Ruthenium - Isotopes
Naturally occurring ruthenium is composed of seven isotopes. The most stable radioisotopes are Ru-106 with a half-life of 373.59 days, Ru...   » Read the article

Encyclopedia - Nuclear Reprocessing: Encyclopedia Ii - Nuclear Reprocessing - Spent Nuclear Fuel
Spent low enriched uranium fuel contains: 3% of the mass consists of fission products of 235U (also indirect products in the decay chain...   » Read the article

Encyclopedia - Chemical Element: Encyclopedia Ii - Chemical Element - Chemistry Terminology
Earlier an element or pure element was defined as a substance which "cannot be further broken down into another compound with different c...   » Read the article

Encyclopedia - Superconductivity: Encyclopedia Ii - Superconductivity - History Of Superconductivity
Main article : History of superconductivity Superconductivity was discovered in 1911 by Heike Kamerlingh Onnes, who was studying the...   » Read the article

Encyclopedia - Superconductivity: Encyclopedia Ii - Superconductivity - Technological Applications Of Superconductivity
There have been many technological innovations based on superconductivity. Superconductors are used to make the most powerful electromagn...   » Read the article

Encyclopedia - Superconductivity: Encyclopedia Ii - Superconductivity - Superconductors In Science Fiction
Superconductivity has long been a staple of science fiction. One of the first mentions of the phenomenon occurred in Robert A. Heinlein's...   » Read the article

Encyclopedia - Sellafield: Encyclopedia Ii - Sellafield - Controversy
The site has been the subject of much controversy because of discharges of radioactive material, mainly accidental but some alleged to ha...   » Read the article

Encyclopedia - Chemical Element: Encyclopedia Ii - Chemical Element - Description
The atomic number of an element, Z, is equal to the number of protons which defines the element. For example, all carbon atoms contain 6 ...   » Read the article

Encyclopedia - Ruthenium: Encyclopedia Ii - Ruthenium - Applications
Due to its highly effective ability to harden platinum and palladium, ruthenium is used in Pt and Pd alloys to make severe wear resistanc...   » Read the article

Encyclopedia - Nuclear Reprocessing: Encyclopedia Ii - Nuclear Reprocessing - Old Methods Which Are No Longer Used
Nuclear reprocessing - Bismuth phosphate. The bismuth phosphate process is a very old process which adds lots of material to the final ...   » Read the article

Encyclopedia - Nuclear Reprocessing: Encyclopedia Ii - Nuclear Reprocessing - Current Methods Which Are In Use
Nuclear reprocessing - PUREX. This process can be used to recover weapon-grade materials from spent nuclear reactor fuel, and as such,...   » Read the article

Encyclopedia - Nuclear Reprocessing: Encyclopedia Ii - Nuclear Reprocessing - History
The first large-scale nuclear reactors were built during World War II. These reactors were designed for the production of plutonium for u...   » Read the article

Encyclopedia - Fission Product: Encyclopedia Ii - Fission Product - Mass Vs. Yield Curve
If a graph of the mass or mole yield of fission products against the atomic mass of the fragments is drawn then it has two peaks, one in ...   » Read the article

Encyclopedia - Nuclear Medicine: Encyclopedia Ii - Nuclear Medicine - Radiation Dose
A patient undergoing a nuclear medicine procedure will receive a radiation dose. Under present international guidelines it is assumed tha...   » Read the article

Encyclopedia - Abundance Of The Chemical Elements: Encyclopedia Ii - Abundance Of The Chemical Elements - Abundance Of Elements In The Solar System
The Solar System was created from the remnants of previous stellar systems that went supernova, and is hence, relative to the rest of the...   » Read the article

Encyclopedia - Abundance Of The Chemical Elements: Encyclopedia Ii - Abundance Of The Chemical Elements - Abundance Of Elements In The Universe
Hydrogen is the most abundant element in the known Universe; helium is second. However, after this, the rank of abundance does not contin...   » Read the article

Encyclopedia - 43 Number: Encyclopedia Ii - 43 Number - In Science
43 number - In the periodic table. The chemical element with the atomic number 43 (technetium) is the element with the lowest ordinal ...   » Read the article

Encyclopedia - Nuclear Medicine: Encyclopedia Ii - Nuclear Medicine - Analysis
The end result of the nuclear medicine imaging process is a "dataset" comprising one or more images. In multi-image datasets the array of...   » Read the article

Encyclopedia - Gamma Ray: Encyclopedia Ii - Gamma Ray - Uses
The powerful nature of gamma rays have made them useful in the sterilizing of medical equipment by killing bacteria. They are also used t...   » Read the article

Encyclopedia - Niobium: Encyclopedia Ii - Niobium - Notable Characteristics
Niobium is a shiny gray, ductile metal that takes on a bluish tinge when exposed to air at room temperature for extended periods. Niobium...   » Read the article

Encyclopedia - Gamma Ray: Encyclopedia Ii - Gamma Ray - History
Gamma rays were discovered by the French chemist and physicist, Paul Ulrich Villard in 1900 while he was studying uranium. Working in the...   » Read the article

Encyclopedia - Niobium: Encyclopedia Ii - Niobium - History
Niobium (Greek mythology: Niobe, daughter of Tantalus) was discovered by Charles Hatchett in 1801. Hatchett found niobium in columbite or...   » Read the article

Encyclopedia - Nuclear Medicine: Encyclopedia Ii - Nuclear Medicine - Types Of Studies
A typical nuclear medicine study involves administration of a radionuclide into the body by injection in liquid or aggregate form, inhala...   » Read the article

Encyclopedia - Cardiology Diagnostic Tests And Procedures: Encyclopedia Ii - Cardiology Diagnostic Tests And Procedures - Laboratory
Cardiology diagnostic tests and procedures - Blood tests. A variety of blood tests are available for analyzing cholesterol transport be...   » Read the article

Encyclopedia - Cardiology Diagnostic Tests And Procedures: Encyclopedia Ii - Cardiology Diagnostic Tests And Procedures - Bedside
Cardiology diagnostic tests and procedures - History. Obtaining a medical history is always the first "test", part of understanding the...   » Read the article

Encyclopedia - Superconductivity: Encyclopedia Ii - Superconductivity - Technological Applications Of Superconductivity
There have been many technological innovations based on superconductivity. Superconductors are used to make the most powerful electromagn...   » Read the article

Encyclopedia - Superconductivity: Encyclopedia Ii - Superconductivity - Superconductors In Science Fiction
Superconductivity has long been a staple of science fiction. One of the first mentions of the phenomenon occurred in Robert A. Heinlein's...   » Read the article

Encyclopedia - Radionuclide: Encyclopedia Ii - Radionuclide - Origin
Naturally occurring radionuclides originate mainly from the interiors of stars. Some, such as uranium, were formed directly in stars, and...   » Read the article

Encyclopedia - Gamma Ray: Encyclopedia Ii - Gamma Ray - Culture
Gamma radiation, for the common man, is basically a ray that changes significantly the living organism. This is a result of the many cart...   » Read the article

Encyclopedia - Superconductivity: Encyclopedia Ii - Superconductivity - History Of Superconductivity
Main article : History of superconductivity Superconductivity was discovered in 1911 by Heike Kamerlingh Onnes, who was studying the...   » Read the article

Encyclopedia - Fission Product: Encyclopedia Ii - Fission Product - Fps In Power Reactors
In a nuclear reactor, the buildup of fission products as reaction poisons in the fuel eventually leads to loss of efficiency, and in some...   » Read the article

Encyclopedia - Fission Product: Encyclopedia Ii - Fission Product - Countermeasures Against The Worst Fission Products Found In Accident Fallout
The mixture of radioactive fission products found in the fall out from a nuclear bomb are very different in nature to those found in spen...   » Read the article

Encyclopedia - Cardiology Diagnostic Tests And Procedures: Encyclopedia Ii - Cardiology Diagnostic Tests And Procedures - Electrophysiology
Cardiology diagnostic tests and procedures - Electrocardiogram. Electrocardiography (ECG/EKG) monitors electrical activity of the heart...   » Read the article

Encyclopedia - Transuranium Element: Encyclopedia Ii - Transuranium Element - Super Heavy Atoms
Super-heavy atoms are the transactinide elements beginning with rutherfordium (atomic number 104). They have all been made artificially a...   » Read the article

Encyclopedia - Cholecystitis: Encyclopedia Ii - Cholecystitis - Therapy
Although antibiotics will often help reduce the inflammation of the gallbladder, acute cholecystitis is an indication for gallbladder rem...   » Read the article