与 «PYRETHRIN I»相关的英语书籍
在以下的参考文献中发现
pyrethrin I的用法。与
pyrethrin I相关的书籍以及同一来源的简短摘要提供其在 英语文献中的使用情境。
1
The Mode of Action of Organic Insecticides
They concluded that pyrethrin II w s about 80 per cen as toxic as pyrethrin I, the
respective Lino's being I-65 mg /100 ml., and II-85 mg./l00 ml. Tattersfield et al. (
1929), using pyrethrins sprayed in aqueous saponin solutions on Aphis rumicis, ...
2
Encyclopedia of Parasitology: A-M
Pyrethrins Important Compounds Pyrethrin I, Pyrethrin II, Cinerin I, Cinerin II,
Jasmolin I, Jasmolin II. General Information Pyrethrum comprises a mixture of
naturally occurring pyrethrins (pyrethrin I, pyrethrin II, Jasmolin I, Jasmolin II,
cinerin I, ...
3
Georgis' Parasitology for Veterinarians
Pyrethrins The flower head of the pyrethrum plant Chrysanthemum
cinerariaefolium contains six closely related insecticidal substances (pyrethrin I
and II, cinerin I and II, jasmolin I and II) that are known as pyrethrins. Pyrethrins
are rapidly ...
Dwight D. Bowman, Jay R. Georgi, 2009
4
Lewis' Dictionary of Toxicology
Robert Alan Lewis. 871 872. pyrethrin I pyridine 1roenteritis and CNS
disturbance and may include diarrhea, nausea, vomition, tinnitis, headache,
numbness of tongue and lips, syncope, hyperexc ttability, incoordination,
convulsions, ...
5
HPLC Methods for Recently Approved Pharmaceuticals
Pyrethrins Molecular formula: C21H28O3 (pyrethrin I), O O O CH 2 R C22H28O5
(pyrethrin II) CH3 CH 3 CH 3 H 3 C Molecular weight: 328.44 (pyrethrin I), 372.45
(pyrethrin II) R = CH3 (I) or COOCH3 (II) CAS Registry No: 121-21-1 (pyrethrin ...
6
Pyrethroids: From Chrysanthemum to Modern Industrial Insecticide
1 HPLC chromatogram of pyrethrum leaves and authentic pyrethrins. (a) Extract
from pyrethrum leaves. (b) Standard solution of pyrethrin I and pyrethrin II. A:
pyrethrin II, B: pyrethrin I pyrethrins. They questioned the biosynthesis of
pyrethrins in ...
Noritada Matsuo, Tatsuya Mori, 2012
7
Botanical Pesticides in Agriculture
The ratio of pyrethrin-I and pyrethrin-II and the proportion of the six constituents
were the characteristics of a particular clone. The proportion of cinerin, jasmolin
and pyrethrin in *he pyrethrin-I fraction was similar to that of the pyrethrin-II
fraction ...
Anand Prakash, Jagadiswari Rao, 1996
8
Pesticides, Man and Biosphere
The pyrethrum extract usually contains equal amount of chrysanthemic acid and
pyrethric acid esters and Pyrethrin I and II account for 65-75% of the mixture of
esters. The absolute stereochemistry of the cyclopropane ring of the acid portion
is ...
O. P. Shukla, Omkar, A. K. Kulshretha, 1998
9
Annotated Bibliography of Analytical Methods for Pesticides
It is recommended that, in the mercury reduction method for determination of
pyrethrin I in pyrethrum powder and in pyrethrum extracts in mineral oil, the
reduction be carried out at 25° £ 2° for a period of one hour, and that the factor
used be 1 ...
National Research Council (U.S.). Food Protection Committee, 1954
10
Hayes' Handbook of Pesticide Toxicology
Pyrethrin I IUPAC name: (Z)-(S)-2-methyl-4-oxo-3-(penta2,4-dienyl)cyclopent-2-
enyl ( )-trans-chrysanthemate. Chemical Abstract name: (1R,3R)-2,2-dimethyl-3-(
2methyl-1-propenyl)cyclopropanecarboxylic acid (1S)-2methyl-4-oxo-3-(2Z)-2 ...
