[化] 过渡金属化学

Grammar Girl here. Today, Bonnie Trenga will help us choose better transition words. This article could make you a tad hungry, because today were comparing the art of writing to the art of making a sandwich. In fact, just for today, we might need to

发表于:2019-01-02 / 阅读(204) / 评论(0) 分类 英语语法 Grammar Girl

In 1963, President John Kennedy gave a famous speech at American University. In the speech, Kennedy said the following lines: Our problems are manmade; therefore, they can be solved by man. And man can be as big as he wants. No problem of human desti

发表于:2019-01-03 / 阅读(213) / 评论(0) 分类 2017年VOA慢速英语(九)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(263) / 评论(0) 分类 2014年VOA慢速英语(八)月

By Roger Hsu Mephis, Tennessee 17 August 2006 watch Museum report The National Ornamental Metal Museum in Memphis is devoted to the conservation and advancement of metalwork. It is a place where metal smiths become synonymous with artists and where

发表于:2019-01-06 / 阅读(308) / 评论(0) 分类 2006年VOA标准英语(八月)

A new survey of Internet security says the computer attacks are increasingly being used to make money, rather than simply to make mischief. Virus writers are finding also ways to amplify their powerthey're renting out robot armies of computers under

发表于:2019-01-08 / 阅读(249) / 评论(0) 分类 2005年NPR美国国家公共电台

[全屏观看] 点击右键- 另存为 可保存这个Flash影片 Description: Metal Sonic is flying through space and comes to an asteroid field, you need to help him blast his way through without getting hit or its game over. Instructions: Move: Up

发表于:2019-01-08 / 阅读(296) / 评论(0) 分类 Daily Free Games

Monday's meeting at the White House between President George Bush and President-elect Barack Obama is the latest symbol of a presidential transition that appears to be moving ahead smoothly, at least initially. VOA National correspondent Jim Malone

发表于:2019-01-09 / 阅读(240) / 评论(0) 分类 VOA标准英语2008年(十一月)

U.S. President George Bush and President-elect Barack Obama will meet at the White House on Monday. As VOA's Paula Wolfson reports, Mr. Bush says they will discuss the major issues facing the nation. President Bush assembled members of his Cabinet t

发表于:2019-01-10 / 阅读(180) / 评论(0) 分类 VOA标准英语2008年(十一月)

Staying with the precious metal, and Chinas largest gold company says the country will surpass India to become the top consumer of gold in the world. In the first three quarters of this year, China produced 284 tons of the yellow metal, a nine percen

发表于:2019-01-11 / 阅读(233) / 评论(0) 分类 英语演讲

Both U.S. President George Bush and his successor, Barack Obama, are emphasizing the importance of a smooth transition, so Mr. Obama can tackle the country's economic problems as soon as he takes office on January 20. VOA's Kent Klein reports from W

发表于:2019-01-13 / 阅读(179) / 评论(0) 分类 VOA标准英语2008年(十一月)

U.S. President-elect Barack Obama is moving his White House transition forward, as political turmoil builds over the selection of his successor in the United States Senate. The governor of the state of Illinois stands accused of trying to sell the S

发表于:2019-01-13 / 阅读(215) / 评论(0) 分类 VOA标准英语2008年(十二月)

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(219) / 评论(0) 分类 VOA标准英语2010年(八)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(248) / 评论(0) 分类 2016年Scientific American(十)月

今天我们要学的词是transition。 Transition, 是过渡的意思。A smooth transition, 就是平稳过渡。古巴总统卡斯特罗宣布辞去国务委员会主席的职务。美国总统布什表示,希望古巴能由此开始向民主过渡

发表于:2019-01-25 / 阅读(231) / 评论(0) 分类 英语每日一词

今天我们要学的词是transition。 Transition, 是过渡的意思。A smooth transition, 就是平稳过渡。古巴总统卡斯特罗宣布辞去国务委员会主席的职务。美国总统布什表示,希望古巴能由此开始向民主过渡

发表于:2019-01-31 / 阅读(205) / 评论(0) 分类 英语单词荟萃

By Al Pessin Pentagon 19 October 2007 The U.S. military's effort to rebuild major infrastructure in Iraq will be winding down during the coming year, leaving the Iraqi government to fund the effort and to find engineers capable of handling the projec

发表于:2019-01-31 / 阅读(229) / 评论(0) 分类 2007年VOA常速英语(十月)

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(236) / 评论(0) 分类 VOA标准英语2009年(十月)

By Kevin Billinghurst Stockholm 10 October 2007 The 2007 Nobel Prize for Chemistry has been awarded to Gerhard Ertl of the Max Planck Society in Berlin. Kevin Billinghurst has the story from Stockholm. The Royal Swedish Academy of Sciences honors Pr

发表于:2019-02-04 / 阅读(238) / 评论(0) 分类 2007年VOA常速英语(十月)

A Japanese and a pair of American scientists captured this year's Nobel chemistry prize for discovering a glowing green protein in jellyfish that can be used to spot the beginning of diseases like cancer. Lisa Bryant has more on the prestigious awar

发表于:2019-02-06 / 阅读(219) / 评论(0) 分类 VOA标准英语2008年(十月)

NATO's secretary-general says foreign forces in Afghanistan will remain on combat duty during the scheduled transition to Afghan security control in 2014. That statement by Anders Fogh Rasmussen came after U.S. Defense Secretary Leon Panetta said Ame

发表于:2019-02-08 / 阅读(209) / 评论(0) 分类 英语新闻
学英语单词
A.B.Loff log
a2-Globulin
aged shore
al qutayfah(quteife)
althaeine
American Bankers Association
antivirjulin
arch breaker
Aryabhata I
auto-depressurization system
back premises
barter deal
batting helmets
bimetallist
biocytology
boingo
bulk molding compound
bulleyanitine
bumper year
capacity management information system
capitation tax
cargo load
carriage of passenger
coagulase reacting factor
contextual definitions
dare-devil
dark-adaptation test
designators
diablery
dielectric process
digigraphics
dissolution of a legal entity
diving ducks
doctors of musical arts
doctrinalisms
dysenteria
earth free oscillation
exciton model
fall from power
false pretences
fan section
festoon islands
foreskin
Glass, Philip
global sea
grass rubber plant
hommage
imidoate
kloves
loose build
magnificent
marine erosion
mock ... up
myrbane oil
night-thoughts
nonidealities
nontriumphs
overpursue
peacing
pharmacodynamical
phase oscillation
placed rockfill
press-work
Pugionium cristatum
quasi-loan
reaction of exhaustion
rededicated
rigid magnet
sansum
Sartene
seafaring class
severe ice period
shaft driven oil pump
ship's integrated electronics system
silver antimony telluride
solvatochromism
Souni
starch-based
state attorney office
statistic sampling
statistical tolerance limit
straight mineral oil
Sukagawa
sumoes
supplemental control point
survival equipment
table weaving
Tandaué
Tasmanian blue gum
threw muck at
throttle adjusting screw
to run on
top core grid plate
trachytoid
turbinate bone
two digit code services
upset joint
volume filtration
waik
water surface slope
woute
Yahisuli