二乙基二硫代氨基甲酸酯(盐)(diethyldithiocarbamate)

African Countries Debate Using DDT in Anti-Malaria Efforts The chemical pesticide DDT has been banned by most countries for use in agriculture, but some continue to use it indoors to kill insects that carry malaria. In Zambia, it's an important part

发表于:2019-01-14 / 阅读(206) / 评论(0) 分类 VOA标准英语2011年(七月)

By Lisa Schlein Geneva 02 May 2006 Environmentalists are calling for the elimination of the toxic chemical, DDT, which is still used in large parts of Africa to combat malaria. The continued use of DD

发表于:2019-02-12 / 阅读(325) / 评论(0) 分类 2006年VOA标准英语(五月)

As Uganda looks to eliminate malaria, the country is engaged in a debate(辩论会) over the use of chemicals such as DDT in some of the world's most malarial regions. In the district of Apac in northern Uganda, the risk of malaria is higher than any

发表于:2019-02-17 / 阅读(203) / 评论(0) 分类 英语新闻
学英语单词
Airy diffraction pattern
animatedly
anti-torque
antiantidote
argillotrophic lake
arku
automatic direction finding equipment
azimuth mechanism
benzenoanthracene
big guys
bilateral investment treaty
bioweapons
canalboat
canopy strap assembly
Cardamine prorepens
cathode filament
circulatings
concentrated liquid developer
counter-brace
cross connecting block
customs papers
cyber cafes
cytogenic
diddering
dignous
dilation of aortic valvular stenosis
etherious
fimbriating
formed height of unloaded single disc
fraxinus mandshurica rupr.var.japonica max.
gainturn
get one's own way
Gingicain
inductively-coupled circuit
injection orifice
interactive dump formatter
itaipu
k-vane
Khamisah
lamellar-structure
leave draft
livestock husbandry farming
locomotive transformer
loesch
looksism
luytel
main plate nut
meadow clary
mellow colour
mid-mounted frame
n-person constant sum game
nassirian
nonclassical radix
o'ferral
o'phaup
oil development
onomasiology
packed decimal format
Padgett's dermatome
pappardelles
Perales de Tajuňa
pinion unit
pivatil
place kicks
placing of well
pluck apples
postconception
pre-finance credit
protologue
Pseudosasa wuyiensis
Puccinia nanbuana
rosette mucous membrane
Russophones
sagittal plane
sarcoidoses
scale micrometer
Schematic wiring diagram
sericite-gneiss
settle to
seven-hole
shoeing-smith
shop-building
single-scale meter
special tire
SPO2
steel-and-glass
sterntrawler stern
stress shadow
subjective
sulfite waste lye
super-Schmidt telescope system
szymanowskis
tape looseing
taxablest
the change
Tilia nobilis
time average
typh
user descriptor
voiceboxes
wamser
wheel guard