甲基[端碳]氧化

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(107) / 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(159) / 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(157) / 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(125) / 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(179) / 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(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(194) / 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(158) / 评论(0) 分类 VOA2003(下)-环境与健康

A letter which could stand for evergreen. There are sticks of trees everywhere. Or extreme environment. Bye-bye. Or even for experts. In the vicinity of five minutes, these pants should be in New York. But while these would be suitable selections, th

发表于:2019-01-23 / 阅读(161) / 评论(0) 分类 探索与发现2013年

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(186) / 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(174) / 评论(0) 分类 VOA常速英语2013年(十月)
学英语单词
-jowled
a gathering storm
acanthology
acid sebacate
analytic(al) derivation
b-unit
badgerers
blocky soil structure
bow cushion
carbonyl group
carrin's disease
central time
chipyard
corticocerebral
cross someone
currant test
depeptidoactinomycin
desert-living
diffused-collector process
diphenyl tert.-butyl phosphate
dixer
dyaks
eight-seaters
exometritis
fast multibit shifter
fiercesome
freche
free gold bullion basis
frotation
full depth pear
general enquiries
general review
gravity stabilized soil mixing plant
hard plating
heirographen
hydraulic structure
image radiometer
index of starch modification
insurance amount
intercyclus
ion-exchange electrolyte cell
jet perforator
Kushk River
lambarene
Langley Moor
ldht
locust hill
London Lighthouse
Luoreping Formation
maximum permissible integral dose
mechanical wood pulp
misandrists
mos-gate controlled thyristor
moulding cutter
muscular subaortic stenosis
navel points
neck to waist
ngus
noncontact microswitch
oil settling tankt
onour
optional rate
out relief
Oze-saki
paradiphtherial
pelletiere
permutation symbol
ponding method of curing concrete
pressure weld
protioamide
pulverizing plant control
radio-frequency measurement
railway classification yard
reshared
resource queue
reular
Reusner's sign
ridiculizes
sail number
Schutz's
scyphozoans
second normal stress difference
secondary circular reaction
side erosion
smith helper
soil-lime
speech disfluency
steel magnet
strong invariance
submerged stumps
Tapaktuan
Terrorvision
thienyl
thighbones
thorium c''
turn down ratio
undisirregardlessly
wagonage
weaponshaw, weaponshawing
wine card
WinRunner
zinc-plate process