[化] 甲硝胺

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(159) / 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(197) / 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(211) / 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(182) / 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(217) / 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(206) / 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(232) / 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(211) / 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(222) / 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(233) / 评论(0) 分类 VOA常速英语2013年(十月)
学英语单词
aantenna radiation pattern measurement
aftline
agri-proletariat
alleyway
allowable cutting unit
Ana-LL
anti-treaty
aquaworld
bastarded
Bemouli
bicarb.
brake tube clip
calculus felleus
Chabeuil
chromate primer
claptraps
clean desk policy
cockneyisms
colorstar
common moods
continuous tense
cosubstrates
cpityphlon
crookening
date-stampeds
dermochalasis
deviation of nasal septum
disleave
don't-know non-determinism
double london
double-skin construction
ephectics
external pillar cell
feather key ( feather)
fecal streptococci
fivepences
forage reserves
forecasting sales
fulgurating
general reserve artillery
Gilgandra
government spending
grannyknow
heat color
highpowered
hirondelles
hymenorrhaphies
international broadcast relay
kidknapper
lap-dogs
little mallow
longitudinal stability
matrimonial action
michelangelos
Monsel's solution
native cabbage
natrosol
nauticum foenus
noncoherent multichannel demodualtion
nonticketed
nursing cares
odontobutis obscura
off-colo(u)r(ed)
on the battlefield
open ball
optimal activity level
Pebas
polycentric
positives
private-wire teletypewriter system
progression plastic yield
protocatechuic acid
refrain from
repartimientos
reservoir voidage
rhythmogenesis
rocket launcher
salinized soil
shopboards
short texture
smooth marketing
sonatina
soufre
spheric resolver
state number
steady-state sound
stick to one's colors
storage data
stret
Swertia alba
sync tip
system requirements
teletraffic theory
terminating unit
turbulent skn friction
tv coupler
two-pulse canceler
Violay
weak multiplication
whylyst
X-band X
zurakowski