分子筛效应

1 emgenetics/em |n. |[U] a branch of biology dealing with heredity and genetic variations |遗传学 || ||Such work is considered essential in studying human genetics. |这种工作被认为在研究人类遗传学方面是很重要的。 || ||Advanc

发表于:2018-12-01 / 阅读(312) / 评论(0) 分类 新视野大学英语读写教程词汇 第四册

By Nancy Steinbach Broadcast: November 19, 2003 This is Phoebe Zimmermann with the VOA Special English Health Report. When scientists want to test the effectiveness of a new drug, they usually divide

发表于:2018-12-15 / 阅读(319) / 评论(0) 分类 VOA2003(下)-环境与健康

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(310) / 评论(0) 分类 Scientific American(四)月

Benjamin Frankin wondered about(at) lightning. He combined his curiosity with imagination and carried out his well-known experiment to show that lightning and an electric spark are the same thing. Cur

发表于:2018-12-30 / 阅读(482) / 评论(0) 分类 自考英语(一)78讲

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(323) / 评论(0) 分类 Scientific American(十)月

今年7月,14岁的美国华裔少年刘继打破老虎伍兹的纪录,成为美国青少年高尔夫锦标赛史上最年轻的冠军,同时刷新老虎伍兹保持了19年的纪录。刘继出生在纽约州一个只有11万人口的小城市史

发表于:2019-01-09 / 阅读(348) / 评论(0) 分类 实用英语

[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(471) / 评论(0) 分类 高中英语人教版高一年级

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(347) / 评论(0) 分类 2016年Scientific American(十)月

It may not be the most melodious bit of birdsong youll ever encounter. [Titmouse alarm call]. But this particular call, issued by a tufted titmouse, conveys important information about the presence of potential predators. But only if other birds can

发表于:2019-01-20 / 阅读(249) / 评论(0) 分类 2016年Scientific American(八)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(332) / 评论(0) 分类 经济学人科技系列

The Effect of Advertisement 广告的效果 Some businessmen were talking about advertising on TV excitedly. As none of them had ever done it before, every one had his point of view. At this moment, Mr. Grey came by. He was a car dealer and he had on

发表于:2019-01-28 / 阅读(347) / 评论(0) 分类 英语小达人

今天我们要学的词是ripple effect。 Ripple effect, 连锁反应。 The shutdown of the local mine had ripple effects on the entire community, 当地这家煤矿的关门,在整个社区引起了连锁反应。 美国汽车业界人士警告说

发表于:2019-02-02 / 阅读(320) / 评论(0) 分类 英语每日一词

今天我们要学的词是side effect。 Side effect, 副作用。一项最近民调显示,Most Americans want health reform but fear its potential side effects, 大多数美国人都希望看到医疗改革,但是又担心改革可能带来的副

发表于:2019-02-05 / 阅读(324) / 评论(0) 分类 英语每日一词

As the development of the society, people want to conquer the environment, they use the high technology to change the environment, when people are satisfied with what they did to the nature, the nature is starting to teach human being a lesson. In th

发表于:2019-02-06 / 阅读(318) / 评论(0) 分类 英语作文

Affect and effect are different in meaning, though frequently confused. Affect is chiefly used as a verb and its main meaning is to influence or make a difference to, as in the following example sentences: Affect一般用作动词,其含义为:影响

发表于:2019-02-07 / 阅读(402) / 评论(0) 分类 英文语法词汇

Nicotine Enhances Effects of Cocaine A new study from Columbia University highlights the role of tobacco in cocaine addiction. The research indicates that nicotine may be a key gateway drug in a biological as well as a social context. Dr. Amir Levine

发表于:2019-02-12 / 阅读(303) / 评论(0) 分类 VOA标准英语2011年(十一月)

今天我们要学的词是side effect。 Side effect, 副作用。一项最近民调显示,Most Americans want health reform but fear its potential side effects, 大多数美国人都希望看到医疗改革,但是又担心改革可能带来的副

发表于:2019-02-13 / 阅读(349) / 评论(0) 分类 英语单词荟萃

As the development of the society, people want to conquer the environment, they use the high technology to change the environment, when people are satisfied with what they did to the nature, the nature is starting to teach human being a lesson. In th

发表于:2019-02-13 / 阅读(282) / 评论(0) 分类 英语作文

VATICAN CITY, Feb.28 (Xinhua) -- The resignation of Pope Benedict XVI came into effect at 8 pm local time (1900 GMT) on Thursday, who had left the Vatican by helicopter for the papal vacation retreat in south Rome earlier in the afternoon. The pope h

发表于:2019-02-17 / 阅读(339) / 评论(0) 分类 英语新闻

BEIJING, Sept. 1 (Xinhua) -- Medicine prices at public clinics have been notably reduced thanks to a policy that promotes basic medicine, an office of the State Council said Thursday. Current price levels of basic medicine used by government-funded t

发表于:2019-02-18 / 阅读(296) / 评论(0) 分类 英语新闻
学英语单词
A-subduction
aerobic decomposition
amphiumas
anionicsurfactant
application for admission
banjohousing
basima
Battle of New Orleans,The
berillite (beryllite)
Bermuda maidenhair
biocrat
borm
Bronx cheers
burnishing powder
capitalisations
case category code
chain survey
channel selector switch
Cocculus trilobus DC.
complex soap grease
control fluid pressure
corpora caudatum
daqahliya (ad daqahliyah)
decade counter
ditch erosion
dollhouses
e. t. s. waltons
extensional-rigidity
far infrared image
fibrofatty degeneration of placenta
foliage organ
free over flow spillway
frequently asked question
Fuchs spot
full fibre network
furnishest
gharekhan
glacier outburst flood
googolfold
group control system
heart-shape reception
heat treatment in production
huddling chamber
immersed sidewall air cushion vehicle
impedance cardiogram
induction type under-voltage relay
infectious larva
infective fistula of sinus of nose
karelinite
Knox, William Franklin
Laxorex
lay-readers
legitimate last voyage
metofenazate
monerasable storage
morsings
nodosarines
non-return to zero code
nonendoscopic
not cut it
Onsager reciprocal relations
optimum feasible solution
parallel tubing string installation
parapoxvirus orf virus
philanthrocapitalists
phinda
product law
Prony
public relations department
pullet year
refrigerant charge
relooked
resonance hummer
ridge genital
salinity crisis
schenkenberg
scrummies
seahawks
septs
silverado
society for research in child development (srcd)
somatism
souteneur
South Glamorgan
springet
spruceanthus marianus
stickley
stiff mill
straight river
stutler
swalloweth
tie into knots
transfer control word
Travelon
two way make-before break contact
ULDH
underdetermination
underground pipeline engineering
vena temporalis
volume coordinates
wheeltapper