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(200) / 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(236) / 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(243) / 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(217) / 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(333) / 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(242) / 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(285) / 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(189) / 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(243) / 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(264) / 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(268) / 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(245) / 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(260) / 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(282) / 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(279) / 评论(0) 分类 英语角-圆桌会议
学英语单词
Alaska Highway
all-movable tail
amorphous wax
auto-reclosing
autoguide
azhdarchids
bacteriolytic immunity
Baluan I.
boom balancing system
Bramshall
break rank
broad-breasted bronze turkey
bumpous
camptender
capping enzyme
carnaptious
cavity preparation
cell lines
classifier separator
clitorrhagia
Clowes
commutative A-algebra
computer communication system
coupling amplifier
crushing circuit
day of doom
decay of wave
distefano
Dongargaon
doublet device
Duquesnel's aconitine
dwelt on
economics of nonequilibrium system
emergency-exit lighting
end-of-the-pipe
extra-jugal
filios
final-state
fire pit
flebre almarilla
foramen spheno-palatine
frequency substitution estimate
gas filtration
gating contact
Gawsworth
general current
genus Dacelo
get sb out of
glutinosin
gypsy table
host language execution
indene-coumarone resin
individuism
join the club!
lakeberg
lecanactis submorosa
leguan, leguaan
leopardus pardalis
levee undermining
literal operand
liulichang
localization
muddy bottom
multiple modulation
negative-grid thyratron
Nernst effect
nicosulfuron
ninjutsu
no risk after shipment
nummary
oil bulk ore carrier
Oldenbrok
ordered seek queuing
oxygen flush valve
peramount
playsforsure
psychoanalysis film criticism
quenching nozzle
radiation induced losses
radioimmunoassay (ria)
serial key
short lesson plan
slugring
speak ill of sb
stable banks
standard hardness test block
stipular sheath
tab washer with long tab
taiwanoserica lishana
tears away
template eyepiece
thin gruel
TSWA
unit pulse function
unmantles
uranyl acetate
Vanina, Bukhta
voice-frequency carrier telegraphy
wenseves
Yazgulyam