[网络] 胺类;新鲜度常以甲基胺类

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(301) / 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(354) / 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(350) / 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(312) / 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(334) / 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(365) / 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(379) / 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(360) / 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(384) / 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(411) / 评论(0) 分类 VOA常速英语2013年(十月)
学英语单词
accountants-general
acoustic events
AFTAAS
augusteity
bankable paper
benefitteth
Bixaceae
British National Committee for Ocean Engineering
Ca-Plus-Protein
Campo Magro
cardboard-box
chip microprocessor process
circuited
complain against
conjugation mapping
coupers
cup wheel
d'hiver
deceive
dirinaria picta
earth resources satellite (ers)
embossings
enamel fiber
environmental microbiology
expected marginal loss
far infrared communication
fatigue yield limit
filler steak with egg
general operation expenses
heat drying machine
HS organization
hunkey
hyperbolic navigational aid
information frame work
inreducible graph
isogor
justifying type writer
kevon
korynite
Laubrières
linear spread mooring
Marchantiatae
materials science and engineering
mazeful
mechanized data base
milps
misanthropical
Misgund
moving magnet magnetometer
mumsy
neutralizing deviations
off-floor trading
office check
oily pollutant
organ-donation
oxidation-reduction wave
paralect
permissible exposure
personally identifiable information
petanques
phase cancellation
piston crown ablation
plum kernel oil
pneumatic roller
purity coefficient
pyloric valve
Pīr Sohrāb
racemises
reaction arrester
regional satellite communication
reiteratively
remeable
resin rock bolt
root registry
sakuranetine
segregated collection system
sequence controlled mechanization
sessilee
shakoor
silent commerce
sindhis
sink device
slowly drained soil
sphero-quartic
static crossed-field electron multiplication
subeditorial
T-top
taraxanthin
thermal chemical vapor deposition
thieved
thiocyanate radical
through connection
trigger pickoff
trimmer conveyor
triqueter
tupaia glis
unprotected link
usability-test
vaeth
virilia
vivid color
warant