CĂRȚI ÎN ENGLEZĂ ÎN LEGĂTURĂ CU «PYRETHRIN II»
Descoperă întrebuințarea
pyrethrin II în următoarea selecție bibliografică. Cărți în legătură cu
pyrethrin II și extrase din aceasta pentru a furniza contextul de întrebuințare al acestuia în literatura Engleză.
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
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 ...
3
Pesticide Residues in Food, 2000: Report of the Joint ...
No adjustment is made for the specific responses of the esters in the electron
capture detector (pyrethrin 1 has a stronger response) or for relative molecular
mass. As pyrethrin II esters degrade during analysis, the concentration of total ...
4
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, ...
5
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
6
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
7
Handbook of Pesticide Toxicology, Two-Volume Set: Principles ...
Metabolism On single oral administration of pyrethrin I and pyrethrin II labeled
with 3H or 14C in the acid or alcohol moiety to rats and mice at 1-5 ing/kg, the 3H
and 14C from both compounds were excreted into urine and feces almost equally
.
8
First Symposium on Chemical-biological Correlation, May ...
CH 3\ H3C , c-c-c^ H H CH3 CH3 H 6 I H2C- C-R' -c=C XIII Pyrethrin I R = CH3 j
H2 H H H Pyrethrin II R = CH3OOC ) R' = -C— C— C— C— CH2 Cinerin I R =
CHj ) ?2 'Z ? Cinerin III R = CH,OOC ) R' = 5C — C— C-CH3 Comparative
toxicities ...
National Research Council (U.S.). Chemical-Biological Coordination Center, 1951
9
Metabolic Pathways of Agrochemicals: Insecticides and fungicides
... the I series are referred to as chrysanthemates and the II series as pyrethrates
Chemical name (IUPAC) See Scheme 1 CASRN Pyrethrin I [121-21-1], cinerin I [
25402-06-6], jasmolin I [4466-14-2], pyrethrin II [121-29-9], cinerin II [1172-63-0],
...
Terence Robert Roberts, David Herd Hutson, 1999
10
Hayes' Handbook of Pesticide Toxicology
Specifically, pyrethrin I is the pyrethrolone ester of chrysanthemic acid, pyrethrin II
is the pyrethrolone ester of pyrethric acid, cinerin I is the cinerolone ester of
chrysanthemic acid, cinerin II is the cinerolone ester of pyrethric acid, jasmolin I is
...
ȘTIRI NOI CARE INCLUD TERMENUL «PYRETHRIN II»
Află ce ziare naționale și internaționale au scris despre și cum este întrebuințat termenul
pyrethrin II în contextul următoarelor știri.
Farmers needs to revive Kenya
NAKURU (Xinhua) -- The revival of the pyrethrum industry in Kenya will earn the country ... Jasmolin I, Cinerin I Pyrethrin I, Jasmolin II, Cinerin II and Pyrethrin II. «Coastweek, Mai 13»
