5-羟甲基尿嘧啶

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(111) / 评论(0) 分类 2016年VOA慢速英语(十)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? On June 4th we told you about iron snowflakes on Mercury. Today we have some radical news about the atmosphere of Venus. Literally, a radical is a molecule that reacts e

发表于:2018-12-24 / 阅读(139) / 评论(0) 分类 Scientific American(六)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(163) / 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(166) / 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(136) / 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(183) / 评论(0) 分类 60秒科学

Erythromycin,红霉素 Azithromycin,阿奇霉素 Clarithromycin,克拉霉素 Fluoroquinolones and their derivatives (e.g. levofloxacin),多西环素(如:脱氧土霉素) Tetracyclines (e.g

发表于:2019-01-03 / 阅读(148) / 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(171) / 评论(0) 分类 医务英语

分集介绍:导数,商数,正弦和余弦 Derivatives.of.products.quotients.sine.cosine

发表于:2019-01-05 / 阅读(396) / 评论(0) 分类 麻省理工学院公开课:单变量微积分

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(200) / 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(166) / 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(189) / 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(184) / 评论(0) 分类 VOA常速英语2013年(十月)
学英语单词
acceleration of turnover
acrofugal
actual violence
air blowing of asphalt
alaria macrophylla miyabe
amaryllis belladonna
armored dinosaurs
asato
Attard
Bioinorganics
biscuit gun
bolshoy khomutets
Chiburi-shima
CIPF
Civettictis
codimerization
compensating bridge
concentrated acid
conciliable
convergent tendon
darkfield microscopy
debeige
detersively
didrachms
dielectric constant of glass
distillers' yeast
dual-cam
ecological equivalence
electro-analyzer
emulsion transfer pump
estimating oil reserves
Ferdinand de
financial-inclusion
fuel pipe union
gilled radiator
gives it to me
glace binding
government disposals
grandmother hypothesis
graphospasms
heterocarpum
hiortdahlite (guarinite)
hysteretic properties
inappreciably
indigenisation
instantaneous noise
instrumentalising
insufficient section
inverse of multiplication
ixelles
kivas
lending broker
ligamenta cruciatum tertium genus
low-rate filter
manufacturing services manager
monotonic sequence
morbid sound
muftees
nonisothermic
nonpitting edema
offenheiser
open with
optical triangulation
ordering up
organic-inorganic hybrid material
oxylium
pendulum impact test
Pentagramma
perolene
pnom penhs
poker faced
POOW
Populus gansuensis
porphyrin metabolism
printed mark
protopolitical
pushed around
put ... finger on
Rabdosia coesta
radiotelegraphist
reflection modulated optic fiber sensor
seduction theory
segment memory
side type jockey
sidesway
silicon-strip detector
sine sweep test
skull-base
slutsker
Stinga Nistrului
storge
syngnett
the euro
the whole way
Turee Cr.
two-valued variable
unbecomely
unloading cylinder
vaginal diphthery
viscontial
zero ink