分子置换

[00:00.00]在线英语听力室( www.tingroom.com )友情制作 [00:06.14]2003 Text2 [00:08.35]To paraphrase 18th-century statesman Edmund Burke, [00:12.20]all that is needed for the triumph of a misguided cause [00:16.43]is that good people do nothing. [00:19

发表于:2018-12-01 / 阅读(250) / 评论(0) 分类 历年考研英语阅读理解

[00:00.00]在线英语听力室( www.tingroom.com )友情制作 [00:03.81]1999 Passage4 [00:07.51]When a Scottish research team startled the world [00:10.54]by revealing 3 months ago [00:12.61]that it had cloned an adult sheep, [00:14.94]President Clinton move

发表于:2018-12-01 / 阅读(433) / 评论(0) 分类 历年考研英语阅读理解

Broadcast: June 11, 2003 By Nancy Steinbach This is the VOA Special English Health Report. New research has found another danger of hormone replacement therapy1. The therapy studied involved the hormo

发表于:2018-12-07 / 阅读(178) / 评论(0) 分类 VOA2003(上)-国际经纬

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The human genome was sequenced, and in the process of moving that forward the technology that was developed was incredible. And because of their efforts in human genome,

发表于:2018-12-24 / 阅读(237) / 评论(0) 分类 Scientific American(十)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Just when you thought youd heard everything, scientists have found that the reason you can hear everythingincluding things that are very quietis because

发表于:2018-12-24 / 阅读(136) / 评论(0) 分类 Scientific American(四)月

Evoking images from the liquid metal and nearly unstoppable Terminator from the movies, BAE Systems has posted concept video footage of a process to create drones of the future. 近日,BAE系统公司发布的一份概念视频展示了未来制造无

发表于:2019-01-07 / 阅读(156) / 评论(0) 分类 英语新闻

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? The Nobel Prize in chemistry goes to three men who revolutionized molecular life science, Japans Osamu Shimomura and Americans Martin Chalfie and Roger Tsien. They dev

发表于:2019-01-08 / 阅读(166) / 评论(0) 分类 Scientific American(十)月

The 2009 Nobel Prize in Chemistry goes to Venkatraman Ramakrishnan of the MRC Laboratory of Molecular Biology in England, Yale Universitys Thomas Steitz, and Ada Yonath of the Weizmann Institute of Science in Israel for their studies of the ribosome.

发表于:2019-01-08 / 阅读(158) / 评论(0) 分类 Scientific American(十)月

This is Scientific American's 60-Second Science, I am Karen Hopkin. This will just take a minute. I once took part in a vodka tasting contest, in which participants tried to tell an expensive brand from a cheap one. I dont recall the exact outcome, f

发表于:2019-01-08 / 阅读(138) / 评论(0) 分类 Scientific American(六)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? At the recent Lindau Nobel Laureate Meeting, 2009 chemistry laureate Thomas Steitz recalled that at one institution in the 60s, he saw how informal scientific collaborat

发表于:2019-01-08 / 阅读(215) / 评论(0) 分类 Scientific American(七)月

反射星云是靠反射附近恒星的光线而发光的,呈蓝色。反射星云的光度较暗弱,较容易观测到的例子是围绕着金牛座M45七姊妹星团的反射星云,在透明度高及无月的晚上,利用望远镜便可看到

发表于:2019-01-08 / 阅读(274) / 评论(0) 分类 托福英语

HEALTH REPORT - Hormone Replacement Therapy Linked to Blood Clots By Cynthia Kirk Broadcast: Wednesday, October 13, 2004 This is Gwen Outen with the VOA Special English Health Report. American researc

发表于:2019-01-09 / 阅读(168) / 评论(0) 分类 健康与经济

[00:11.60]WARMING UP [00:16.04]How many new uses can you think of for the folowing items? [00:36.49]reminds us of the appearance of nanotechnology, [00:53.76]according to which nothing is useless and [01:04.91]no garbage or waste material to speak of

发表于:2019-01-10 / 阅读(291) / 评论(0) 分类 高中英语人教版高一年级

DAVID GREENE, HOST: So Republicans in Congress are moving ahead with efforts to repeal the Affordable Care Act. They've said that's a priority. But there's a new poll suggesting that their constituents might not be as eager as they are to see the law

发表于:2019-01-16 / 阅读(136) / 评论(0) 分类 2017年NPR美国国家公共电台1月

This years Nobel Prize in Chemistry is about the worlds smallest machines. G?ran Hansson, secretary general of the Royal Swedish Academy of Sciences, earlier this morning. The Royal Swedish Academy of Sciences has decided to award the 2016 Nobel Priz

发表于:2019-01-17 / 阅读(189) / 评论(0) 分类 2016年Scientific American(十)月

Sicience and technology 科学和技术 Cancer and obesity 癌症与肥胖 Malignant flab 恶性松弛 At last, an understanding of how overeating causes cancer 吃得过多如何导致癌症 OVERWEIGHT women are more likely to develop breast cancer

发表于:2019-01-26 / 阅读(152) / 评论(0) 分类 经济学人科技系列

HEALTH REPORT - Study Links Red Meat to Higher Risk of Breast CancerBy Caty Weaver Broadcast: Wednesday, November 22, 2006 This is the VOA Special English Health Report. Exercise and keeping a healthy

发表于:2019-01-30 / 阅读(130) / 评论(0) 分类 2006年慢速英语(十一)月

今天我们要学的词是replacement。 Replacement, 意思是替代,替补。The coach chose Jimmy as the replacement for the injured quarterback, 教练选择Jimmy代替受伤的四分位。The basketball player just had a knee replacement surg

发表于:2019-02-06 / 阅读(136) / 评论(0) 分类 英语每日一词

今天我们要学的词是replacement。 Replacement, 意思是替代,替补。The coach chose Jimmy as the replacement for the injured quarterback, 教练选择Jimmy代替受伤的四分位。The basketball player just had a knee replacement surg

发表于:2019-02-06 / 阅读(126) / 评论(0) 分类 英语单词荟萃

Books and Artts; Book review; 文艺;书评; Conundrums of science; 科学谜题; What is it for? 科学究竟有什么用? Scinece in the 20th century and beyond; by Jon Agar; 20世纪后科学;乔艾格著; SCIENCE works with problems b

发表于:2019-02-18 / 阅读(170) / 评论(0) 分类 经济学人综合
学英语单词
AAA
AFWC (automatic feed water control)
air strainer and silencer
Alleghenian zone
archaeologist
arp, Arp,ARP
atomic properties
augurism
bank box
bank reserve
barquantine,barquentine
below-zero
blackadders
blind dialing
blue cheese dressings
bound for
bridge to bridge communication
BV
chromium nickel electrode
climater
cloud backup
cohesive energy density (CED)
compromise with
consecutive point
contormator
cooperative enterprises
Creolians
data state
decentralized control signalling
denegatory
deto-nation by influence
dicarboxylic ester
dimethylphosphonic acid
dissipation of heat
divergent instability
Dolcinist
edapholoy
egretta intermedia
Emergency Pt.
external modulation
fiscal austerity
free-free absorption
friedlob
give sb to understand that
graphitizable
Green Island
grid coordinate
gyro-reciprocating engine
high speed automatic loom
hold someone in high esteem
hypergravitation
identical function reference
in a manner similar to
intermittently
isoglyphus
isotope analyzer
ivimeys
jejunoplasties
lensometry
lift attendant
magbie
meteorological cycle
minibatch
moment matching method
monorail crane truck
myxosporidiasis
nephropsids
nervi suprascapularis
nitre
number performance
on-line secured communications system
overall separation factor
paleogeography of coal-bearing series
paranoid security policy
penetration needling
Phenopeel
platyceria
pnagus diphtheriae
Remarque, Erich Maria
reservation of opinion
rigid shaping machine
rinsed resin
Sakurajima daikon
sign-writer
silicate chemistry
sound-deadening
statistical models
structural limit
stylising
survival environmental temperature
take part with someone
testamenti factio relativa
total ends in warp
turbocharger rotor
unamortized expenses
under one's thumb
unit frictional resistance
upper reflector
v-j days
very-large data base
VMGR
zande (s. sudan)