[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
3-dipalmitate
acropora exquisita
actual transformation ratio of a current transformer
antibody instructive theory
antiparamilitary
Arques-la-Bataille
Arrecife
Atlanta Braves
atom model
aurila yongchiena
bain-maries
big sunflower r.
black-white visual pigment
blast-furnace hoist
buzz group discussion
calcium-
cartoonies
chiack
cloacal endoblast
continue-fraction expansion
cross-elasticity
cucurbitule
dairy packaging machine
despending
Destination group.
diametrically
dickey-wicker
dihydrorotundifolone
dun-bar
Elliott
emissions trading
etan
extra-jugal
family type
fancy shirting
fcpa
fishing hooks
flameout in flight
folliculitis exulcerans serpiginosa nasi
furl
gas ammonia
half shog
heddon
homorhythmically
hoplobatrachus rugulosus
in difficulty with
k.smith
km value
kuehler
land miler
lightened buoy
loss of component cooling water
low-duty-cycle switch
lunulite
Malamala
malmquist
May, Isle of
money-spinning
Mr Plod
Muslimize
Myanga
nephelauxetic
niuhuang qingxin pills
Nokeeboshi-yama
nonconversational mode
Of-
open-circuit grinding
otus elegans botelensis
photoreceptors
Platykampos
pony trucks
primary collecting duct
redundant phase encoding
resorbent
schlageter
setteability
shared cache
sherms
showbands
Sibirskiye Uvaly
simple majority game
simultaneous oxidation reduction catalyst
singleengined
slurredly
snart
spring buckle
subsidiary course
syphilidologist
Thorsby
tocaba
tracking and data-relay satellite (tdrs)
trade related expenses
Trelech
tylolupenol
undecanoic
unipolent representation
Vinogradovka
West Barnstable
Windows program
wing base
wringing rolls
zombification