[化] 原子核结合能

45.The source of Energy A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Suns very center. It is here that is to be found the source of the energy that the Sun constantly pours out i

发表于:2018-11-28 / 阅读(455) / 评论(0) 分类 新概念优美背诵短文50篇

A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Sun's very center. It is here that is to be found the source of the energy that the Sun constantly pours out into space as light and h

发表于:2018-12-12 / 阅读(186) / 评论(0) 分类 英语小短文

A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Sun's very center. It is here that is to be found the source of the energy that the

发表于:2018-12-15 / 阅读(285) / 评论(0) 分类 新东方背诵文选

A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Sun's very center. It is here that is to be found the source of the energy that the Sun constantly pours out into space as light and h

发表于:2018-12-30 / 阅读(153) / 评论(0) 分类 考研背诵50篇

1. diathermy /'daɪə,ɜːmɪ/ -- method of treating disease by genereating heat in body issues by high-frequency electric currents Diathermy may prescribed for arthritis, bursitis and other conditions requiring heat treatment. 关节炎、黏液囊炎

发表于:2018-12-30 / 阅读(178) / 评论(0) 分类 突破英文词汇

AS IT IS 2015-12-06 The Latest From Paris: Climate Conference Update 巴黎气候大会最新报道 At the United Nations climate change summit in Paris this week, participants talked about natural disasters and how they impact the worlds most vulner

发表于:2019-01-03 / 阅读(165) / 评论(0) 分类 2015年VOA慢速英语(十二)月

The source of Energy A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Sun's very center. It is here that is to be found the source of the energy that the Sun constantly pours out into

发表于:2019-01-08 / 阅读(264) / 评论(0) 分类 英语小短文

By David McAlary Washington 21 November 2006 The United States and more than 30 other nations have signed a $13 - billion agreement to develop a form of nuclear power in a process called fusion. In a Paris signing ceremony, they agreed to cooperate

发表于:2019-01-12 / 阅读(299) / 评论(0) 分类 2006年VOA标准英语(十一月)

By Dan Robinson Capitol Hill 25 September 2007 The U.S. House of Representatives has approved legislation to strengthen economic sanctions against Iran over its support for terrorist groups and refusal to halt uranium enrichment. VOA's Dan Robinson

发表于:2019-01-13 / 阅读(231) / 评论(0) 分类 2007年VOA标准英语(九月)

Fusion is how stars produce energy. It occurs when the nuclei of light atoms, such as hydrogen, are fused together under extreme pressure and heat. Tokamak Energy, from Oxfordshire, believes that the third version of their compact, spherical tokamak

发表于:2019-01-17 / 阅读(250) / 评论(0) 分类 2015CRI中国国际广播电台

International concern is mounting that global warming could put millions of people at risk through drought, floods and other extreme weather. A group of economists, scientists, and international leaders met in New York recently to discuss how climate

发表于:2019-01-19 / 阅读(117) / 评论(0) 分类 VOA双语新闻 2008年4月

GWEN IFILL: The climate talks over the next two weeks are expected to become a turning point in the global debate over addressing the causes of a rapidly warming planet. The lofty speeches have already begun, but what do leaders gathering in Paris th

发表于:2019-01-27 / 阅读(127) / 评论(0) 分类 PBS访谈环境系列

By Carolyn Weaver Washington, DC 09 February 2006 watch Brookhaven report Experimental results at Brookhaven National Laboratory’s supercollider that replicate in miniature the “Big Bang,” when

发表于:2019-01-31 / 阅读(396) / 评论(0) 分类 2006年VOA标准英语(二月)

By Victoria Cavaliere New York 23 April 2008 International concern is mounting that global warming could put millions of people at risk through drought, floods and other extreme weather. A group of economists, scientists, and international leaders me

发表于:2019-01-31 / 阅读(138) / 评论(0) 分类 VOA常速英语2008年(四月)

By Nina Maria Potts Brussels 05 April 2007 Watch Biofuels report The EU is emerging at the forefront of the fight against climate change. Pledging to cut greenhouse gas emissions by 2020 and boost renewable sources, EU politicians seem keener than e

发表于:2019-01-31 / 阅读(172) / 评论(0) 分类 2007年VOA标准英语(四月)

Questions 12-20 The elements other than hydrogen and helium exist In such small quantities that it is accurate to say that the universe somewhat more than 25 percent helium by weight and somewhat less than 25 percent hydrogen. Astronomers have measur

发表于:2019-02-05 / 阅读(204) / 评论(0) 分类 托福英语

The G7 has called for a transformation of electricity generation towards clean sources by 2050. 七国集团峰会呼吁到2050年为止要完成从电力生产到清洁能源的转变。 They said fossil fuel should not be burned in any sector of th

发表于:2019-02-06 / 阅读(151) / 评论(0) 分类 英语新闻

By Paul Sisco Washington 04 May 2007 The United Nations Intergovernmental Panel on Climate Change on Friday plans to issue a third report on ways to offset global warming. Scientists and government administrators from more than 120 countries have bee

发表于:2019-02-12 / 阅读(223) / 评论(0) 分类 2007年VOA标准英语(五月)

Meanwhile the tireless Rutherford, now back at Cambridge as J. J. Thomson's successor as head of the Cavendish Laboratory, came up with a model that explained why the nuclei didn't blow up. He saw that they must be offset by some type of neutralizing

发表于:2019-02-17 / 阅读(180) / 评论(0) 分类 万物简史

The Source of Energy A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Sun's very center. It is here that is to be found the source of the energy that the Sun constantly pours out into

发表于:2019-02-25 / 阅读(157) / 评论(0) 分类 双语有声阅读
学英语单词
-baiting
abdominal thrust
alliance pact
analysis step
appendiceal
attributive use
be mounted with gems
Bothrophera
Butamide
canthal ligaments
cargo characteristics
changcheng station
chickasha
chlorinated sodium phosphate
chongqings
chrysosporium keratinophilum
coffinless
COHSE
collister
configuration simulation
crossingover value
defixing
dehuman
dippier
discount accounts register
diverse sectors of the economy
Dunham's fans
firees
fool-proof identification system
for my part
fredonia
glycol ethylidene-acetal
group equilibrium
hematocystis
Herodotus Basin
human parasitology
hyperclarity
i-cunde
inequally
insolvency protection fund
Inula britannica L.
isomorphism of group
junction-type field effect transistor
Juncus auritus
kleroterium
left anterior coelom
lost target
luxury suite
mass discrimination experiment
material accountability
mesonota
metalophulid
middle common iliac lymph nodes
monoclinic unit pyramid
mother-tongue
novelisation
numerical minimization
ochropamine
open handed
opposite orientation
outbreathed
palaemonidaes
palladium(ii) rhodanide
palmitoleate
Pharisaist
polyploidizing agent
precedented
predictive rule
proceed to
pronominal
punched-tape program
Pyrsonympha
quantity of goods available for sale
radio galaxy
railworkers
rain swept
regulater
rest mass of neutron
rondle
schneiter
seaside centaury
slight grade
source of lrght
spherical wrist
stewers
storm-time variation
tabbable
temporisings
teraelectronvolt
terminal check
Toryfy
variable antshrikes
vasoblasts
virific
virilio
vote in negative
wave impulse
weld swell
wellbore storage coefficient
white-and-orange
wool
yplaied