5-甲基-3-庚酮

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(120) / 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(171) / 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(182) / 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(154) / 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(190) / 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(181) / 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(210) / 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(182) / 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(197) / 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(198) / 评论(0) 分类 VOA常速英语2013年(十月)

与数字有关的英语词根总结 milli-【千分之一】例:milliampere(毫安)=milli(千)+ampere(安培) centi【百分之一】例:centimeter(厘米)=centi(百分之一)+meter(米) deci【十分之一】例:decibe

发表于:2019-02-06 / 阅读(239) / 评论(0) 分类 英语学习方法
学英语单词
acceptance for honor
Aethelberht I
amusium yabei
angular breadth
Atalandi
Aureille
awing
Azrou
beggarticks
bowel btpass syndrome
bulk sugar trailer
cassonades
cellubiose
clatch
clubtooth escape wheel
comparison column
conservative evaluation
constructive interference
cordy
cultel
cultivability
curve of block coefficient
de-accessioned
demand for oxygen
detail drawing number
deverticalization
diazabicycloheptene
dislocation of hip joint
Droxaine
elklike
Erlenmeyer
eupronoe laticarpa
event identifiers used
flange steel
flanged edge
fms (flexible manufacturing system)
front turn
general joiner
grid-cavity tuner
HHHO
HIO3
Hydromanganocalcite
hydroxylauric acid
idler shaft driven gear
imit
inadvertent climate modification
instrument-panel
insured savings
intermarginal
intumescentia tympanica
iron-haematoxylin
isolated word recognition
iterative type of task
job share
Köprühisar
lady-smock, lady's-smock
maximum allowable metal temperature
metageneses
microchemical pollutant
mountain fetterbush
movable substructure
multitrace oscilloscope
mutual security
myrio
oncomelania hupensis chiui
partes grisea hypothalami
peanut oil arachis
phus-pull amplification
position operator
primark
psychopathy
Puritabs
recursive algorithms
Rlty
Ryōkami
scuttlesful
selenium(vi) oxychloride
self-assessment procedure
serration broach
simulated work environment
Skorodum
Socorro, Pta
Soluhao B
spirochaetas
stagbeetle
stiffness of waist in children
substomatic chamber
swankie
sym-dipropylurea
synoptical report
tannalum
target discrmination
terminal pulleys
theta coordinate system
third-speed
thomas fermi model
Tizoc
token moneybase coin
top collar
Ultonian
undersea ranging
vegetable sulfur