[化] 二甲基硒

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(173) / 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

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(155) / 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(181) / 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
anticorrosion
asdirs
atmospheric column
attitude stabilization
awe-inspire
be bathed with
beside oneself with
bloody
bulbus pili
calibrational capacity curve
chalinid
Chatellier
Chinese white pear
clouded yellow
clove-pink
common assignment channel
consid erer
contrafluxtion
current-costs
detract switch
Doschatoye
doubled yarn
electric induced line
error criterion
expected hcfa payment amount
explicable
fairyfloss
FE (format effector)
figure-four
flat shunting
forcibility
fuel-water (heat) exchange
granulomatous nocardiosis
grassmann diagram
halicampus koilomatodon
have sth. on the brain
hemiphaedusa amphileuca
high-energy electron sheet
hot drawn
idiomata
increasing tilth
jamming equipment
Jingui Shenqi Wan
juxtacortical
largefruit hodgsonia
Lieferinge
lister crops
lying
Marsokhod
mask tape
membrana atlantooccipitalis anterior
mesne profit
moity
Morlich, Loch
muttie
Mānikpur
nanovolt
narrow V-engine
neostatin
neural computing
next the heart
nightclubbing
non linear tearing mode
obelised
on duty officer
one threaf sizing
opacite
oxylebiuss
Pa Sang
phosphorite sensitivity
piloted
place strain upon
point filters
poor separation
port poniter
posada
positive latex
pseudocannel coal
pulse-separator unit
r.m.ss
recoil stopper
roepperite
secondary dispersion halos
serving officer
shift-over valve
simpalon
small timer
spin-orbit coupling
spindle press
stereoelectric
symbolic optimal assembly program
take a jump up the line
tandem selector
temperate water species
tensor transformation
terminal input/output wait queue
thelypteris glanduligera
to-wowe
unanorrhaphy
variable velocity motion
waste heat utilization of kiln
you say