[化] 草酰乙酸二甲酯

AS IT IS 2016-10-01 Report: Smoking May Permanently Damage Genetic Material 报告称吸烟或永久性损伤你的遗传物质 Here is another reason to not light up a cigarette. Smoking can permanently damage your genetic material, according to a n

发表于:2018-12-16 / 阅读(109) / 评论(0) 分类 2016年VOA慢速英语(十)月

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Saliva contains many useful components: lubricants, enzymes for breaking down food and now compounds that can reveal a persons age. Thats according to a

发表于:2018-12-24 / 阅读(161) / 评论(0) 分类 Scientific American(六)月

Ever get a sour stomach after your morning coffee? Well, you might end up switching to a dark roastbecause that coffee concoction may leave you with a happier tummy. That's according to the research presented at the American Chemical Society meeting

发表于:2018-12-24 / 阅读(160) / 评论(0) 分类 Scientific American(三)月

You may have heard that humans and chimpanzees have something like 96 percent of our DNA in common. So why, then, are diseases like cancer so common in humans but so rare in chimps? If our DNA is nearly identical, shouldnt we be at risk for many of t

发表于:2018-12-28 / 阅读(132) / 评论(0) 分类 初学者听力文摘精选

Stomach Cells Happier with Dark Roast Coffee Ever get a sour stomach after your morning coffee? Well, you might end up switching to a dark roastbecause that coffee concoction may leave you with a happier tummy. That's according to research presented

发表于:2019-01-02 / 阅读(181) / 评论(0) 分类 60秒科学

M Madasiatic acid 崩大碗酸 Magnoflorine 木兰花碱 Magnolia cortex P.E 厚朴提取物 Magnolol 厚朴酚 Maitake mushroom P.E 灰树花提取物(舞茸提取物) Malonyl Oleanolic acid Hemi

发表于:2019-01-03 / 阅读(168) / 评论(0) 分类 医务英语

β-Amyrin β-香树脂醇 α-Amyrin acetate α-香树脂醇乙酸乙酯 β-Amyrin acetate β-香树脂醇乙酸乙酯 β-Amyrin palmitate 棕榈酰β-香树酯 Anabasine 毒藜碱 Anagyrine 臭豆碱,安

发表于:2019-01-03 / 阅读(162) / 评论(0) 分类 医务英语

AGRICULTURE REPORT - Restrictions on Methyl Bromide By Mario Ritter Broadcast: Tuesday, March 16, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Graphic Image Some chemicals

发表于:2019-01-06 / 阅读(196) / 评论(0) 分类 农业与发展

An ass and an ox,fastened to the same yoke,were draging a waggon.While the ox was pulling with all his might he he broke a horn.The ass swore that he had got no help whatever from his weak companion.Exerting himself in the labour,the ox b

发表于:2019-01-09 / 阅读(230) / 评论(0) 分类 趣味英语

By Caty Weaver Broadcast: September 12, 2003 This is Bob Doughty with the VOA Special English Environment Report. Scientists in the United States have reported some good news about the 1)ozone in the

发表于:2019-01-11 / 阅读(164) / 评论(0) 分类 VOA2003(下)-环境与健康

Science and Technology Epigenetics and stress Baby blues 科技 外因遗传与压力 新生儿蓝调曲 A mother's stress while she is pregnant can have a long-lasting effect on her children's genes 母亲孕期压力过大会对孩子的基因造成长

发表于:2019-01-26 / 阅读(187) / 评论(0) 分类 经济学人科技系列

Body Clock Provides Clues to Aging 生物钟提供衰老的线索 If youre searching for the fountain of youth, you might find it in your DNA. Thats according to a new study that sheds light on the biological clock ticking in our genomes, why our bod

发表于:2019-01-31 / 阅读(180) / 评论(0) 分类 VOA常速英语2013年(十月)

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学英语单词
'Arjah
abmigration
accomodation
agricultural lien
air spora
aldol-N,N'-diphenyl ethyle-nediamine
araw
beta-teletherapy
blue-tongues
Bobillier's law
boiler gage board
brought before
buda
Caryopteris aureoglandulosa
chinese class
compressor input power
conservation of resources
Coryton
cruising ground
crystal ore
customarily
customer solution
eastabout
Eddington model
en couronne
endothelium camer? anterioris
equiform group
ferroequinologists
fit/for purpose intended
Geiger-Muller tube
Glazhevo
hematogenous pulmonary tuberculosis
hold a good hand
hollow cylindrical fuel element
homogeneity assumption
Illasi
impregnant
initial condition circuit
insulinogenesis
inversion tunneling
isospin current
Japanese jawfish
kahlers
Lambert Of Hersfeld
liquefied gas insecticide
loomis
Lycoris sprengeri
marine galvanometer
mean girth
mechanical agitation
Messier objects
metamorphic aureole
mousing shackle
naphtine (naphthine)
neurocognitively
noissue
non torque yarn
nonscanning
nutritional disorder
nutritional requirements
odo(u)r
organizational process
packing box
patentees
pavor
pearlitic iron
pleural dysplasia
power-driven hoist ladder
profascist
PSGB
put the tin lid on
quantum well laser
quiet qutomatic gain control
rarfs
reheater-regenerative plant
role ambiguity
San Miguel B.
seepage test
sexual accessory gland
shrieketh
shruggings
sign-and-trade
single-shaft turbo-jet
sister hook
smw
Soemmering's foramina
stand on one's own feet
staphyle
Suragina
sweep second hand
the supply
thermionic cathode
thirster
troue
trypoxylon takasago
two-way cock
unabolished
undecked ship
Urbión, L.de
Valjunquera
valve port diameter