额定碳原子

A Century of Memories (1940-1949) On the first Sunday in December 1941, Americans were doing what Americans did on any normal Sunday.

发表于:2018-11-28 / 阅读(272) / 评论(0) 分类 疯狂英语2003年

[00:00.00]Lesson 4 Atom [00:01.95]原子 [00:03.89]The really strange thing about atoms is that most of us will never see one. [00:08.87]原子最奇特之处在于绝大多数人永远也无法看到它。 [00:13.84]Atoms are so small that it's impo

发表于:2018-12-08 / 阅读(157) / 评论(0) 分类 赖世雄学英语第四册

雅思听力场景词汇:化学词汇 在雅思听力考试场景中,化学相关的场景的词汇较为生涩,平时生活中可能也运用得比较少,以下的词汇供大家参考喔。 molecule 分子 particle 粒子 ion 离子 particle

发表于:2018-12-19 / 阅读(217) / 评论(0) 分类 雅思英语

Why Diamonds Really Are Forever Diamonds are forever they say, and this is why: diamonds are the hardest substance known to exist. Nothing would scratch or damage a diamond,While a diamond can scratch any other material on the earth. Everything is

发表于:2018-12-27 / 阅读(133) / 评论(0) 分类 英语时差8,16

How big is your carbon footprint? Neil: This is Real English from BBC Learning English. I'm Neil. Lily: 大家好,我是杨莉。 Neil: This is the programme in which we look at words and phrases that you may not find in your dictionary. Lily: 地道英语和大

发表于:2019-01-02 / 阅读(196) / 评论(0) 分类 地道英语在线听

By Greg Flakus Scientists in Texas are trying to find a way of reducing carbon dioxide air pollution by capturing the gas, compressing it and then putting it underground. This technique could also yie

发表于:2019-01-03 / 阅读(173) / 评论(0) 分类 VOA2004(下)--健康科技

We have bigger houses and smaller families; more conveniences, but less time; we have more degrees, but less common sense; more knowledge, but less judgement; more experts, but more problems; more medicine, but less wellness. We have multiplied our p

发表于:2019-01-08 / 阅读(136) / 评论(0) 分类 英语美文

We have multiplied our possessions, but reduced our values. We talk too much, love too little and lie too often. We've learned how to make a living, but not a life; we've added years to life, not life to years. We have taller buildings, but shorter t

发表于:2019-01-11 / 阅读(178) / 评论(0) 分类 阅读空间

And how, you may reasonably wonder, can scientists know what oxygen levels were like hundreds of millions of years ago? 你也许有理由想知道,科学家们怎么会知道几亿年以前的氧气浓度? The answer lies in a slightly obscure b

发表于:2019-01-17 / 阅读(176) / 评论(0) 分类 万物简史

(一)a is n times as small (light,slow,)as b. a is n times smaller (lighter, slower,) than b. 以上两句均应译为:a的大小(重量,速度,)是b的1/n[或a比b小(轻,慢,)(n-1)/n]. e.g. The hydrogen atom is near1y l6 times as

发表于:2019-01-17 / 阅读(191) / 评论(0) 分类 英语口译

英语中表示倍数减少的表达方法(一)a is n times as small (light,slow,)as b. a is n times smaller (lighter, slower,) than b. 以上两句均应译为:a的大小(重量,速度,)是b的1/n[或a比b小(轻,慢,)(n-1)/n]. e.g

发表于:2019-01-17 / 阅读(179) / 评论(0) 分类 英语口译

Fortunately more sober types were at work elsewhere. In 1808, a dour Quaker named John Dalton became the first person to intimate the nature of an atom (progress that will be discussed more completely a little further on), and in 1811 an Italian with

发表于:2019-01-29 / 阅读(161) / 评论(0) 分类 万物简史

The structure of atoms and the significance of protons will come in a following chapter, so for the moment all that is necessary is to appreciate the organizing principle: hydrogen has just one proton, and so it has an atomic number of one and comes

发表于:2019-01-29 / 阅读(173) / 评论(0) 分类 万物简史

WASHINGTON, May 1 (Xinhua) -- Scientists from IBM on Wednesday unveiled the world's smallest movie, made with one of the tiniest elements in the universe: atoms. Named A Boy and His Atom, the movie used thousands of precisely placed atoms to create n

发表于:2019-02-04 / 阅读(150) / 评论(0) 分类 英语新闻

俗话说:一母生九子,九子各不同。这句话在我邻居家孩子的身上体现得淋漓尽致。大女儿心灵手巧,做什么像什么;而二女儿却刚好相反,总是笨手笨脚。All thumbs就用来形容她这种笨手笨脚

发表于:2019-02-06 / 阅读(159) / 评论(0) 分类 实用英语

HARBIN, Jan. 31 (Xinhua) -- Carbon monoxide has been blamed for the Tuesday deaths of 12 workers in a coal mine in northeast China's Heilongjiang Province, a local official said Thursday. Three workers entered the Yongsheng mine in Dongning County to

发表于:2019-02-08 / 阅读(206) / 评论(0) 分类 英语新闻

The report's message is also beyond doubt: the extra half a degree makes a big difference. 报告所传达的内容信息也不容置疑:这高出来的0.5C也会带来很大不同。 Arctic summers could be ice-free once a decade in a two-degree w

发表于:2019-02-17 / 阅读(153) / 评论(0) 分类 经济学人综合

1.心事重重 some thing weighs heavily on ones mind The boss is quite down these days. He seems to have something weighing heavily on his mind. 老板这几天沉默寡言,看起来好像是心事重重的 2.苦苦哀求 press ones suit She press

发表于:2019-02-19 / 阅读(168) / 评论(0) 分类 英语口语

Altogether there is about twenty thousand times as much carbon locked away in the Earth's rocks as in the atmosphere. 总的来说,被关在地球岩石里的碳,大约相当于大气里的2000倍。 Eventually much of that limestone will end up

发表于:2019-02-25 / 阅读(165) / 评论(0) 分类 万物简史

BEIJING, Sep. 16 (Xinhuanet) -- Government incentives are important to pave a low-carbon road to economic growth, but companies that improve their industry models and technologies are the main players and also benefit receivers, noted officials and i

发表于:2019-02-25 / 阅读(192) / 评论(0) 分类 英语新闻
学英语单词
actinide hypothesis
aslosh
background plate
band limited channel
Becodisks
berth throughput capacity
Bokovoy Maydan
bottom-up model
Bouguer reduction
bristles at
built into
bylines
califonia
Calleja's islands
Caniac-du-Causse
catalytic thermal decomposition
CFA (central facilities area)
civil law countries
coahuilas
coercive home environment
coke screening arrangement
cometamine
contemplating
control protection
cyber criminal
cymbidium goeringii serratum
diafiltrating
dionaeas
dropleaf table
dubarry
eccentric-strap seat
esculentin
fair dealings
first performance
Fish and Shrimp
flaming aurora
forelain
FRF
frozen in magnetic field
gain-phase plot
grain oriented alloy
hemangioendothelial cell sarcoma of liver
hiring quotas
homotopy invariance theorem
intrinsically safe electrical apparatus
inverted micelle
Karell diet
kss
lagam balsam
laurell
light concrete structure
Longecourt-en-Plaine
lump-sum
Lydiol
majority criterion
margin requirement
menstrual and obstetrical histories
multidiameter expansion reamer
myelinations
national seclusion
neoprene paint
Norolon
nuclear fuel form
Nupron
old type
on the matter of
ophiothrix plana
outwinter
Pacoti
paresthesia sexualis
particle reaction
passive trustee
phiph
plain sawed
Poupart's ligament
problem structuring
prosopocoilus formosanus
protrusive occlusal chewing movement
pyurias
rare earth chloride
rationalisms
regular arm
reversed return system
Scarpa's staphyloma
sequency
seventeens
shalche
slumpiest
succours
sunlamp
super-sweet
Surgutskaya Nizina
tamburitza
taylagier
Teucrium scordioides
Thompson's solution
time-sharing library
tocksaine
tone arms
transnational enterprise
up to all the dodges
user script