[化工] 有机化学技术

Autobiography of Nobel Prize Winner: Jean-Marie Lehn I was born on September 30 1939 in Rosheim, a small medieval city of Alsace in France. My father, Pierre Lehn, then a baker, was very interested in

发表于:2018-12-05 / 阅读(162) / 评论(0) 分类 英语沙龙2004全年合辑下

By Mario Ritter Broadcast: July 8, 2003 This is Steve Ember with the VOA Special English Agriculture Report. Recently, a listener in Nigeria told us about an organization called World-Wide Opportuniti

发表于:2018-12-07 / 阅读(194) / 评论(0) 分类 VOA2003(下)-农业与经济

Transcript This is Scientific American's 60-Second Science, I am Cynthia Graber.This will just take a minute. Physicists at the Brookhaven National Laboratory have been able to send information ahead of particle beams racing at nearly the speed of li

发表于:2018-12-24 / 阅读(229) / 评论(0) 分类 Scientific American(二)月

Nobel in Chemistry for Seeing Biomolecules in Action 诺贝尔化学奖微化分子结构 The Royal Swedish Academy of Sciences has decided to award the 2017 Nobel Prize in Chemistry jointly to Jacques Dubochet, Joachim Frank and Richard Hendersonfor

发表于:2018-12-24 / 阅读(172) / 评论(0) 分类 2017年Scientific American(十)月

1. What's your major in college? 你的专业是什么? 2. What did you major in? 你的专业是什么? 3. What are you majoring in? 你的专业是什么? 4. Why are you so interested in English? 为什么你对英语那么感兴趣? 5. I t

发表于:2018-12-25 / 阅读(188) / 评论(0) 分类 面试口语脱口而出

Murchison Meteorite's Chemical Bonanza The 1969 Murchison meteorite was known to harbor complex organic compounds, but a new analysis in Proceedings of the National Academy of Sciences finds that it may also contain millions of chemicals and shed lig

发表于:2019-01-02 / 阅读(241) / 评论(0) 分类 60秒科学

If you are like many language students, you might have a problem with procrastination. Perhaps you are slow to do homework or study for a test. Maybe you do not like to study or you become distracted while studying. Whatever the case may be, learning

发表于:2019-01-02 / 阅读(518) / 评论(0) 分类 2017年VOA慢速英语(六)月

The United States space agency says its Mars exploration vehicle has discovered chemical substances necessary for life. Scientists reported that NASAs Curiosity rover found large amounts of organic molecules in 3.5 billion-year-old rock in an area ca

发表于:2019-01-03 / 阅读(155) / 评论(0) 分类 2018年VOA慢速英语(六)月

As It Is - Remember Your Chemistry Classes? An international team of researchers recently reported creation of a new element that is 40 percent heavier than lead. The researchers successfully developed what they are calling Element Number 117 at a la

发表于:2019-01-03 / 阅读(237) / 评论(0) 分类 2014年VOA慢速英语(八)月

Broadcast: Mar 17, 2003 Rain hits the 1) shingles on the large covered porch that leads up to David Masumoto's farmhouse. From the porch he can see 90-year-old 2) raisin 3) vineyards his family has te

发表于:2019-01-03 / 阅读(211) / 评论(0) 分类 VOA2003(上)-科技先知

Vacationing on the island of Oahu, we were waiting in our tour bus for some stragglers to show up. A man, obviously not with our group, approached the bus and was about to board. How would our driver

发表于:2019-01-11 / 阅读(280) / 评论(0) 分类 英汉幽默故事选读

今天我们要学的词是organic。 Organic, 有机的,绿色的。 Organic product, 有机产品。近年来,美国很多消费者开始崇尚绿色、有机食品。不过,统计数字显示, Organic food accounted for only 3.5% of the fo

发表于:2019-01-11 / 阅读(180) / 评论(0) 分类 英语每日一词

AS IT IS 2016-10-05 Nobel in Chemistry Goes to Makers of Worlds Smallest Machines 2016诺贝尔化学奖:世界上最小的机器 Three scientists have won the Nobel Prize in Chemistry for their work in developing tiny machines. The three men are Jea

发表于:2019-01-12 / 阅读(170) / 评论(0) 分类 2016年VOA慢速英语(十)月

Having the opportunity to take on a diverse range of classes such as economics and chemistry along with her music studies is the perfect combination for Diane. Marsha James | Washington DC 10 August 2010 Oberlin Conservatory of Music Student Diane Ly

发表于:2019-01-13 / 阅读(198) / 评论(0) 分类 VOA标准英语2010年(八)月

AGRICULTURE REPORT - Compost: an Organic Way to Better Soil and Crops By Gary Garriott Broadcast: Tuesday, July 05, 2005 I'm Gwen Outen with the VOA Special English Agriculture Report. Many farmers im

发表于:2019-01-30 / 阅读(256) / 评论(0) 分类 农业与发展

By Carol Pearson Washington 08 January 2008 New technology makes surgery safer, shortens recovery time and leaves no scars. Both physicians and patients are pleased with the results. VOA's Carol Pearson has more. Maria Viruet recently had her gallbla

发表于:2019-01-31 / 阅读(223) / 评论(0) 分类 VOA标准英语2008年(一月)

Vacationing on the island of Oahu, we were waiting in our tour bus for some stragglers to show up. A man, obviously not with our group, approached the bus and was about to board. How would our driver handle the situation, we wondered. Straight-faced,

发表于:2019-02-03 / 阅读(196) / 评论(0) 分类 趣味英语

By Tom Rivers London 07 October 2009 Ada Yonath (file photo) Two Americans and one Israeli share this year's Nobel Prize in Chemistry for their work showing how the DNA code is translated into life itself. Americans Venkatraman Ramakrishnan and Thom

发表于:2019-02-03 / 阅读(216) / 评论(0) 分类 VOA标准英语2009年(十月)

英语四级真题阅读长难句分析(2) 4. This week Wal-Mart is set to announce a major initiative aimed at helping cotton farmers go organic: it will buy transitional (过渡型的) cotton at higher prices, thus helping to expand the supply

发表于:2019-02-19 / 阅读(122) / 评论(0) 分类 大学四六级阅读

知识点讲解: 1、中文意思一样 insist persist 2、两个词长得像 special specialty 3、长得像+中文意思一样 technique technology ① Technique 方法、技巧 Hes a great basketball player. He has flawless technique. 他是位很

发表于:2019-02-21 / 阅读(180) / 评论(0) 分类 每天三分钟学英语
学英语单词
Adler anomaly
anchorage space
anti-motion-sickness
apma
appendment
azylene
bactofugated milk
Bittkau
cacophonous
call-a-thon
challenge the aircraft
chemically reduced printed chicuit
churns out
circulation of national income
City of Westminster
consperse
covert observation
Cuprenil
Cyclobalanopsis repandifolia
dayr ali
depository rights
differential incremental backup
Dzwirzyno
efters
encyclopedists
end points
euroissues
gaseous radwaste
Gaulist
germ ball
given forth
glycosaminotriose
gobbies
green rosette
hero complex
hetamer
high silica iron
hog middle
holiday camp
homochain polymer
hot waters
hydroxynybomycin
illiberis laeva
kainin
knee restraint
lawful arrest
Limerick lace
lip balms
liponorm
loyalty punch card
lumberman's saw
melanotrichia
microdontia, microdontism
model propeller drive
mouth cone
nasariyah
negative-phase-sequence reactance
oblidge
olguin
on attachment
Pancoast's drain
parahippocampal gyri
Pasquotank County
pixelations
porn flick
pre-ordain
product phase
przybylski
ranachrome
range of response
reddring
refeed line
repeaterless
reverse modulus of continuity
salvings
scanning plotter
secondary montion
seedling grading machine
sequential response model
share-of-voice
shipboard integrated man-machine system
shuttle feeder
single sideband system
skim gate
slick mill
soap milling
solar radio noise storm
sports boat
sprinkling pipe hand wheel
stability simulation
stand in amazement
stone martens
superdestructive
tetranitrides
Tom Stoppard
total rake
tsarevich
turkey buzzard
turnham
utilization management
waterlocked
Zummo