4-甲基组胺

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(90) / 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(140) / 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(139) / 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(100) / 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(162) / 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(142) / 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(178) / 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(143) / 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(167) / 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(145) / 评论(0) 分类 VOA常速英语2013年(十月)

LONDON, July 29 (Xinhua) -- By changing some particular brain chemicals lab mice would become hyperactive and sleep for just 65 percent of their normal time, according to a study released Wednesday by the Imperial College London. The chemicals, hista

发表于:2019-02-18 / 阅读(101) / 评论(0) 分类 英语新闻
学英语单词
aerating power
aerial route
ahead one starboard
aminopicoline
attachment disorder
best-liked
binding problem
bow step
Brehon laws
broggite
butacaine
cagehousing
Carltor tube
carrier sense multiple access-collision detection
Chilean salad
continuous path operation
control with fixed set point
counter migration
crosstalk interference
currency deflation
cylinder type roasting machine
cystic medial necrosis
dangle after
deep-sea anchor gear
Desertmartin
Difacil
discoursiveness
do-what
drum printers
economic sector under ownership by the whole people
enteroanastimosis
epistatic deviation
Etkyi
etrimfos
explosion expanded piling
Falkland Sd.
fasciculus arcuatus
fcap
fibrous tunic of eye
Fourier-Bessel integral
genus ceratotheriums
glycogen deposition
godere
gouffres
grey step
homosaligenin
in-vivo counting
integral of generalized momentum
intrasellar
investment adviser
javax
jeffersonians
lampadena anomala
ledger blade
leeched line
liquid line
long-distance communication
matched die method
mathematical horizon
medium repair of road machine
mispayment
nitranisic
non associated signaling
Nova Odesa
Nūr Gol
oral dependence
order Mycoplasmatales
partes tecta
phosphaljel
plain-sawing
Pongamia glabra
post cured insulation
processing material for export
progressing spring
provant-master
pulshe
pushdown dialing
quantitative management method
rebato
reference delay frame
Reguengos de Monsaraz
remote pick-up relay
rhenium iodide
rope to drum ratio
schwartz-bartter(syndrome)
security operation computer
Server Appliance Kit
soapsudss
speed adjustment by series-parallel control
stern vibration
successive or sequential hermaphrodsite
surface metal raceway
suspectless
three beam
TIAP
triethyl citrate
U-leg
unimmolated
VWG
wah-wah pedals
work his fingers to the bone
zero-percent