伪甲基麻黄碱

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(164) / 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(198) / 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(183) / 评论(0) 分类 初学者听力文摘精选

Forcing Electrons into Superconducting Line In a study in the journal Nature researchers created a pseudo gap, in which electrons in superconducting materials line up just before flowing resistance-free. Sonya Buyting reports Imagine a world with lev

发表于:2019-01-02 / 阅读(309) / 评论(0) 分类 60秒科学

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

d-Pinoresinoldi-O-b-glucopyranoside 松脂酚双吡喃葡萄糖甙 d-Pinoresinol d-松脂素 Piperitone 胡椒酮 Plantaginin 车前甙 Platycodin A, C, D 桔梗皂甙A,C,D Podophyllotoxin 鬼臼毒

发表于:2019-01-03 / 阅读(254) / 评论(0) 分类 医务英语

E Ecdysterone 脱皮甾酮(蜕皮激素) Echinacea Purpurea Herb P.E 紫锥菊提取物 Echinocystic acid 刺囊酸 Ecliptasaponin A 旱莲甙A Ecliptasaponin B 旱莲甙B Eduardine 午贝甲素 E

发表于:2019-01-03 / 阅读(170) / 评论(0) 分类 医务英语

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(207) / 评论(0) 分类 医务英语

假的,都是假的,真的我一定不会是这样的成绩的。 fake adj. 假的;冒充的 n. 仿造品;冒充者;骗子 v. 伪造;捏造;冒充;假装;欺骗 Im sure that I take a fake examination. 我确定我考了一个假试。 sham adj. 虚

发表于:2019-01-03 / 阅读(230) / 评论(0) 分类 英文语法词汇

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(233) / 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(213) / 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(223) / 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(236) / 评论(0) 分类 VOA常速英语2013年(十月)

Topic 1-Scarce Students in Rural Schools There is a primary school that only has one student in Wuzhai County of Shanxi Province. It is not a school for the super rich, but rather a rural school in remote areas. In fact, we are seeing more schools li

发表于:2019-02-22 / 阅读(251) / 评论(0) 分类 英语角-圆桌会议
学英语单词
a stumble may prevent a fall
ac hot-carrier stress
admissible topological group
amplifying transformer
analogizings
anticipateth
Apollo computer
applications technology satellite
arc wander
array unit
balano-
bed log
bedag
bilateral
bosjemanite (apjohnite)
Bounty Plateau
cascade amplifier klystron
centralized fire recording equipment
chemistry of the solar system
chicken gun
chirred
choisi
Columbares
combustion conditions
compressive nappe
contract of carrier
corbone
corn rootworm
coronula
corrugata
countesses
crossreactivity
cyanine dye butter
daurisiline
dry-hole contributions
elderly man
electric turntable
embryotheca
enumerated articles
extrabranchial
fireproofing wood
Fisher discriminant function
five mile high club
genitalurinary
grid-anode transconductance
Herzberg's tests
high speed facsimile apparatus
hrm
hydraulic ash handling
index data management
invocatable
Jacques-Cartier, L.
job leavers
Kusong
Messerschmitt
methoxalyl
microcoded rom
microprogrammed implementation
millichap
Motacilla
North Koel R.
notation credit
obsolution
oligohemia
overpower indicator
party loyalty
pen-recorder
potlike
pre-disease
predicted tide
prosula
quality assurance system
rabblerouser
ratio export
refractable
research conclusion
resultant-force
Rhyacotriton
rockhole
skittle pin
soapberry tree
soft vulcanized fiber
spacegirls
speak for yourself!
spring plank safety hanger
stackings
supplenesses
symplektite(symplectite)
talkeetna
tariff-rate quota
thallic acetate
the values
thymoprivic
time-servings
tonoes
type oes
uliron
unsubstant
vicayre
waveband
what economic law is to regulate
yanno