germanium In A Sentence
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- However, germanium transistors are relatively expensive, so use them only in applications requiring low - input - operation.
- SiGe chips are similar to standard silicon chips, but they also contain germanium for better performance and lower power consumption.
- The reason of the slow development of germanium production and application has been analysed.
- For a larger mole fraction germanium on silicon substrate, the SiGe bandgap becomes smaller, thus causing larger electron injection efficiency.
- Greenpeace claims that in January 1994 Russian authorities imported 1, 000 tons of French waste containing such highly toxic substances as cadmium, arsenic, thallium, selen and germanium.
- Mendeleev has the distinction of accurately predicting of the qualities of what he called ekasilicon, ekaaluminium and ekaboron ( germanium, gallium and scandium, respectively ).
- Two oxides of germanium are known, the dioxide, GeO2, being obtained by roasting the sulphide and treatment with nitric acid.
- The presence of dopants in the core such as germanium, phosphorus, boron, aluminum, erbium, ytterbium, thulium, holmium etc . compromises the radiation hardness of optical fibers.
- Organic germanium poly acid derivative could prevent the decline of spleen weight.
- On December 16, Brattain devised a method of placing two gold leaf contacts close together on a germanium surface.
- The isotope germanium-76 is a primordial radioisotope.
- Etching the surface of germanium layer could decrease the dark current and increase the responsivity under the visible light exposure.
- Germanium analogues of all of the major types of silicates have been prepared.
- Germanium makes up 0.5 parts per trillion of seawater.
- An EU IST project is currently working on diffusion modeling in silicon germanium alloys.
- The germanium was affected by the high ambient temperatures in the engine room.
- Elea 9001 ( Machine Zero ) prototype was made with vacuum tubes, but used germanium transistors for the tape drive system.
- Germanium window with low absorption will be obtained through controlling donor concentration and doping isoelectronic im purity.
- Germanium-76 can undergo double beta decay in which two neutrons decay into protons, electrons and antineutrinos.
- CIR-OVONIC-MEMORY ( Undated ) _ New interest in a 30-year-old idea : " ovonic " computer memory, based not on silicon but on a concoction of elements like germanium, tin and tungsten.
- American Xtal will suspend shipment of its germanium wafers to Hughes Electronics Corp .'s Spectrolab unit, cutting revenue by about $ 1 million a month.
- The gate electrodes (16) of the NMOS transistors (A) are formed in a layer of n-type doped polycrystalline silicon (14) without germanium.
- Objective : To observe the inhibitory effect of germanium caffeic acid on the tumor U 14.
- Compared to later silicon or germanium devices, copper-oxide rectifiers tended to have poor efficiency, and the reverse voltage rating was rarely more than a few volts.
- Campbell falsely charges that PH " have also urged patients to take a poisonous drug called ' organic germanium ' .
- The substrate IBM is using is a material called silicon germanium.
- Germanium forms tetrahalides with all halogens except astatine and forms dihalides with all halogens except bromine and astatine.
- In an indirect-band-gap material like germanium, the momentum of the lowest-energy state is misaligned with that of the valence band (yellow and black arrows).
- There is a complete series between canfieldite and its germanium analogue, argyrodite.
- Germanium also can be used in the production of fluorescent lamps and wide angle lenses.
- The germanium salts are most readily recognized by the white precipitate of the disulphide, formed in acid solutions, on passing sulphuretted hydrogen.
- This paper summarized the and chemical properties, distribution and metabolism in animals, biological functions of germanium.
- If excess of a mineral acid be added to a solution of an alkaline thiogermanate a white precipitate of germanium disulphide, GeS2, is obtained.
- Germanium occurs primarily in garlic, shiitake mushrooms, and onions.
- Common semiconductor materials include silicon, germanium and gallium arsenide.
- After neutralization, only the zinc stays in solution while germanium and other metals precipitate.
- Russia and China used this as a source for germanium.
- The works of 1955-1958 that used germanium thyristors were fruitless.
- The influence of germanium oxide on the number of Chromosome aberrations in mouse bone marrow ce11s induced by cadmium chloride was studied.
- Alkyl compounds of germanium such as germanium tetra-ethyl, Ge(C2H5)4, a liquid boiling at C., have been obtained.
- On the other hand, germanium is advocated as a non-toxic alternative to many toxic organotin reagents.
- Germanium is not thought to be an essential element for any living organism.
- It also arises by the hydrolysis of magnesium-germanium alloys.
- High doses of these resulted in several cases of germanium poisonings.
- An example of research with specific objectives might have been the measurement of the electrical conductivity of insulators like germanium.
- Detectors based on semiconductors, notably hyperpure germanium, have better intrinsic energy resolution than scintillators, and are preferred where feasible for gamma-ray spectrometry.
- In SiGe graded heterostructure transistors, the amount of germanium in the base is graded, making the bandgap narrower at the collector than at the emitter.
- Apart from selenium and vapour - deposited germanium and silicon, glasses are at least diatomic.
- Germanium forms two hydrides : Ge 2 H 6.
- Germanium forms an amphoteric oxide, GeO 2 and anionic germanates, such as Mg 2 GeO 4.
- Results Saccharum germanium of glossy ganoderma had effects on the increase of mices hemolysin and he.
- Germanium detector module.
- High-purity germanium ( HPGe ) detectors typically have higher sensitivity.
- It functions as a its group analogues, silicon and germanium tetrafluoride, are also tetrahedral but behave as Lewis acids.
- The authors have proposed some measures related to germanium concentration without changing of the original flowsheet.
- EDELWEISS detectors measure the ionization produced in a semiconducting germanium crystal.
- This voltage ranges from 0.3 V for germanium diodes up to about 3 volts for certain light emitting diodes.
- In computers, these diodes are primarily germanium or silicon crystals.
- An instrument for measuring the index of optical materials ( germanium, silicon etc ) is introduced.
- Most of the chemistry of germanium is characteristic of a nonmetal.
- On the other hand you find equally unscrupulous promoters selling germanium with only a few biologically useless micrograms in every dose.
- Another have developed the use of a GeTe-Sb 2 Te 3 superlattice to achieve non-thermal phase changes by simply changing the co-ordination state of the germanium atoms with a laser pulse.
- Appreciable gallium and germanium may also be incorporated into the crystal structure.
- Gallium arsenide germanium solar cell.
- Germanite is a rare copper iron germanium sulfide mineral, Cu26Fe4Ge4S32.
- Gallium and germanium are also recovered some from other sulfide ores.
- An argon atmosphere is also used for growing crystals of silicon and germanium.
- P-type point contact ( PPC ) germanium detectors are used.
- Effect of an organic germanium compound on blood-fat and experimental atherosclerosis model in rabbits are described.
- Important discoveries made at MSU include hybrid homogenized milk, anti-cancer drug cisplatin, and germanium isotope Ge-60.
- Nilson and Pettersson's observations on beryllium and germanium have shown that the atomic heats of these metals increase with rise of temperature, finally becoming constant with a value 5.6.
- The dioxide is obtained as precipitate and converted with chlorine gas or hydrochloric acid to germanium tetrachloride, which has a low boiling point and can be isolated by distillation:.
- The first semiconductors were made of germanium instead of silicon.
- Germanium is a trace element that is used as a dietary supplement.
- General Electric pioneered the alloy junction transistor process for germanium transistors.
- Some common intrinsic semiconductors are single crystals of silicon, germanium, and gallium arsenide.
- Germanium tetrachloride is either hydrolyzed to the oxide ( GeO 2 ) or purified by fractional distillation and then hydrolyzed.
- OBJECTIVE: In order to observe the effects of carboxyethl - germanium sesquioxide ( CGS ) on myocardial ischemia - reperfusion.
Similar words: German Swiss, Gerrard, Gerrit Smith, Gerontal, Gershon, Geryon, Germans, Gerick, Gerrald, Germanotta, Germanic, Germinant, Germanesque, Gerdien, Germanton, Gersdorffite, Geroderma, Germanisation, Gerund Function, Gervas