乙二醇一甲醚乙酸酯,甲基溶纤剂醋酸酯

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(99) / 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(156) / 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(153) / 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(118) / 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(172) / 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(155) / 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(149) / 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(189) / 评论(0) 分类 农业与发展

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(154) / 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(179) / 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(166) / 评论(0) 分类 VOA常速英语2013年(十月)
学英语单词
accelerating machine
air stove
amino electro static spraying baking varnish
anabruss
beverly hill
bicycle clips
Big Snowy Mountains
bisenamines
bitemark
boxing-gloves
brocadings
builder's winch
buy on opening
carrier amplitude phase
CD duplication
Charles John Huffam Dickens
chlamydatus
chlorinated phenyl ether
cluster developing
congealing
connective tissue tumor
cross country skiing
crude oil automobile
curtana
delta ray counting
disentombed
distressrocket
domiciled draft
donelson
dual purpose wheel
electric impact wrench
electrographic
endophyton ramosum
environment hydrogen content
espinasses
extract wool
facial disk
falx septi (atriorum)
family Geastraceae
far from ideal
feedback relay amplifier
forecast quantity
gathering system
get too much on one's plate
heavy with
high-Q circuit
horizontal balancing machine
hyperlocalized
i-yelt
infix operation
inter-bank financing bills
J. A.
joint product production
lake fish farming
langage
line termination
logoed
london superconductor
marriage marts
mberengwa
membership operator
methylene dichloride
micro-rhythm
microprocessor controller
minimal normal subgroup
Mongolized
mucates
myopresbytia
nacostimulant
negative resistance effects
new chart
nodding thistles
objectives management
off trade
office practice
on flote
one-stop banking
optical metrological instrument
organized tour
pachyseris rugosa
posterior pole of the lens
R.R.T.
rabih
reconversion maneuver
Santa Marta gold
schiff's-reagent
screwdrivers
settlement rate
stall control
straight bevel gear planing machine
survey stake
the dow jones index
time invariance
torque spanner adapter
turries
universal joint bearing bushing
urethremphraxis
urwins
user totaling exit routine
valve-rod
Warm Springs
wet shelf life