与 «PENTAVALENT»相关的英语书籍
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pentavalent的用法。与
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1
Electronic Devices: Systems and Applications
Each atom of a trivalent material forms covalent bonds with three other atoms;
and by the same token, pentavalent atoms form covalent bonds with five other
identical atoms. Semiconductors are manufactured from these trivalent,
tetravalent, ...
Robert Diffenderfer, 2005
2
Chemical Exposure and Toxic Responses
The toxic effects of antimony compounds are similar to those of the
corresponding arsenic compounds. There are two oxidation states for antimony;
the trivalent form and the pentavalent form. The trivalent forms are more toxic
than pentavalent ...
3
Boronic Acids in Saccharide Recognition
As the SN2 reaction proceeds a covalent B–O bond begins to develop, forming a
pentavalent boron complex in the transition state. This complex could be
stabilised by the formation of a ligand–hydroxyl hydrogen bond (it would also be
quite ...
Tony D. James, Marcus D. Phillips, Seiji Shinkai, 2006
4
Handbook on the Toxicology of Metals
No differences were seen in body burden between trivalent and pentavalent
antimony tartrate 1 day after exposure (Felicetti et al., 1974a). In a study of
workers in the lead battery production industry, pulmonary absorption of
antimony trioxide ...
Gunnar F. Nordberg, Bruce A. Fowler, Monica Nordberg, 2011
5
ELECTRONIC DEVICES AND CIRCUITS
holes with a corresponding enhancement in conductivity of the material which is
then known as doped or extrinsic semiconductor. The commonly used
pentavalent elements are nitrogen, phosphorus, arsenic and antimony, while the
trivalent ...
To increase the number of free electrons, pentavalent atoms are added to the
molten silicon. Pentavalent atoms have five electrons in the valence orbit.
Examples of pentavalent atoms include arsenic, antimony, and phosphorus.
Because ...
7
Medical Aspects of Biological Warfare
Specifications for Manufacture of Botulism Toxoids, Adsorbed, Pentavalent,
Types ABCDE. Fort Detrick, Md: Medical Investigation Division, US Army
Biological Laboratories; January 1964. Technical Study 46. 101. Rusnak JM,
Kortepeter MG, ...
Defense Department, Army, Office of the Surgeon General, Borden Institute
8
Molecular Medical Parasitology
Pentavalent antimony (stibogluconate sodium and meglumine antimoniate) Two
pentavalent antimony-containing drugs, stibogluconate sodium and meglumine
antimoniate, have been used for the treatment of leishmaniasis. They are of ...
Joseph Marr, Tim W. Nilsen, Richard W. Komuniecki, 2002
9
Principles of Electronics: For Diploma, AMIE, Degree & Other ...
The addition of pentavalent impurity provides a large number of free electrons in
the semiconductor crystal. Typical examples of pentavalent impurities are arsenic
(At. No. 33) and untimony (At. No. 51 ). Such impurities which produce n-type ...
10
Gulf War and Health:: Volume 1. Depleted Uranium, ...
study focused on the immunological response to pentavalent toxoids. In the first
part of the experiment, 17 laboratory workers received 0.5-ml injections of a
pentavalent toxoid on a 0-, 2-, and 1 0-week schedule. As a control group,
additional ...
Committee on Health Effects Associated with Exposures During the Gulf War, Harold C. Sox, Catharyn T. Liverman, 2000
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Treatment failure in parasite infection tied to virus
In French Guiana, for example, patients are treated with pentamidine; in Peru and Bolivia, they receive a class of drugs called pentavalent ... «HealthCanal.com, 七月 15»
A Glimpse Of An Everyday Struggle Among Haiti's Health Care …
She administered polio, rotavirus and pentavalent vaccines, the last of which will guard the child against five potentially deadly diseases. «Huffington Post, 七月 15»
New Coverage Figures Show More Children Than Ever Being …
Since July 2014, all Gavi-supported countries have used the pentavalent vaccine which combines DTP with Hepatitis B and Haemophilus ... «AllAfrica.com, 七月 15»
HBV immunization and vaccine coverage among hospitalized …
All three countries administer three doses of the pentavalent vaccine (Zilbrix™, a DTPw-HBV combination vaccine [17], in Cameroon and CAR, ... «BMC Blogs Network, 七月 15»
Genomic potential for arsenic efflux and methylation varies among …
Arsenate reductase, arsC, which reduces inorganic pentavalent arsenate to the trivalent arsenite state, is present at one copy per genome in all ... «Nature.com, 七月 15»
TS launches pentavalent vaccine formally
The Telangana government on Wednesday launched pentavalent vaccine under the universal immunisation programme that will cover 6.3 lakh ... «The Hindu, 六月 15»
Affordable pentavalent vaccine to hit the market soon
City based Indian Immunologicals (IIL) is all set to introduce its indigenously developed pentavalent vaccine which promises to slash the ... «The Hindu, 五月 15»
'Pentavalent' vaccination programme launched
District Collector Babu. A launched the 'pentavalent' vaccination at the Urban Health Centre in Kothapet here on Friday. On the occasion, he ... «The Hindu, 五月 15»
Naidu launches Pentavalent Vaccine programme in Tirupati
Two infants held by Chief Minister N. Chandrababu Naidu were vaccinated by Andhra Pradesh Health Minister Kamineni Srinivas, at Sri ... «The Hindu, 五月 15»
Pentavalent vaccine to be rolled out this month
The 'five in one' pentavalent vaccine under the universal immunisation programme of the Government of India is expected to be launched in ... «The Hindu, 五月 15»
