[有机化学] 甲基丁烷

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

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

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(179) / 评论(0) 分类 VOA常速英语2013年(十月)
学英语单词
access oriented programming
algebraic groups over a local field
allegorising
Anabat
anthropophagolagnia
anticapacitance
antitactical (ballistic) missile
babtym
bartz
bathymetric navigation system
benzoylimino
blaeses
bridging amplifier
Brindisi
building material consumption norm
carbamate insecticides
cardioanatomy
Cayratia oligocarpa
christmas gifts
colour compensation
combat train
construction item reference number
cost accounting department
costa dichocephali
costrip
create read update delete
detritus feeding
direct quotation of exchange rate
disclosest
DSFS
dunta
ecliptie
elolas
energizing input-quantity
Eurya obliquifolia
ft-1b
fuel oil supply pump
fullsized
fuzzy sigma-algebra
gerodontist
get up and get
gilgoff
Gomphogyne cissiformis
graphical information
guyets
Higashihiroshima
hobohemias
housebotes
inonotus iodinus
interpalpebral zone
Kinomura
lamming
liability for delay
low-density plasma
low-value capacitor
Lubumbashite
lufts
mediate between
misgrounding
Mongkol Borey
normal trace
nuclear fire plan
numerical constant
Ofiddousa, Nisis
OIAB
ore chimney(chute)
orthographic rule
panopticon
physicalization
Platanthera stenoglossa
pocket valley
postmortem phenomena
precurso
redophiles
Redunca
regular twist
relaxation scanning
salt door
saving by investing in securities
sequential access module
shell of areca nut
silphium
soul brother
specific performance
specified testing pressure
squeakily
stereographic ruler
substitution solid solution
superior vertebral notch
T'ana Hāyk'
tax payment in kind
teletypewriter operation
them
threeleaf akebia
ultra-high temperature processing
unimodulus matrix
user prompts
UV irradiation
viminaria denudatas
Volga Germans
z-variants
zabel