中子扩散

[00:00.00]在线英语听力室( www.tingroom.com )友情制作 [00:03.09]2002 [00:06.29]Comparisons were drawn between the development [00:08.71]of television in the 20th century [00:11.03]and the diffusion of printing in the 15th and 16th centuries. [00:15.7

发表于:2018-11-30 / 阅读(261) / 评论(0) 分类 历年考研英语完型填空

Text Alvin Toffler writes about the fact that technology is advancing much faster today than ever before in history. The symbols of technology are no longer factory smokestacks or assembly lines. As we are headed for the future, the pace will quicken

发表于:2018-12-04 / 阅读(264) / 评论(0) 分类 大学英语精读第三册

Plasmas I always like to think of as being like naughty children. 我一直觉得电浆就像调皮的小孩 They're full of energy and they are, 充满了能量,随时随地都想捣蛋 want to misbehave and it's ourjob to try 我们的工作就是

发表于:2018-12-07 / 阅读(238) / 评论(0) 分类 太阳科普

Millions of smallholder farmers in South and Southeast Asia are attempting to diversify beyond staple crops to increase their incomes, nutrition, and resilience in response to climate change and shifting market demand. Although they are potentially s

发表于:2018-12-08 / 阅读(219) / 评论(0) 分类 VOA标准英语2017年(二月)

29. Boas felt that the culture of any society must be understood as the result of a unique history and not as one of many cultures belonging to a broader evolutionary stage or type of culture. 【分析】复合句。句子主干是Boas felt that。t

发表于:2018-12-30 / 阅读(204) / 评论(0) 分类 考研英语长难句讲解

30. Some attributed virtually every important cultural achievement to the inventions of a few, especially gifted peoples that, according to diffusionists, then spread to other cultures. 【分析】复合句。句子主干包含 attribute...to...结构

发表于:2018-12-30 / 阅读(189) / 评论(0) 分类 考研英语长难句讲解

词条 含义 近义 further vt. 促进,增进 advance adj. 更多的,另外的 additional , extra fuse v. 熔合 combine , blend fused adj. 熔合在一起的 fusion n. 核聚变 n. 熔化;联合

发表于:2018-12-30 / 阅读(243) / 评论(0) 分类 王玉梅托福词汇配套MP3

Science and Technolgy. 科技。 Modern alchemy. 现代炼金术。 Turning a line. 进入新的一行。 The race to extend the periodic table continues. 扩展元素周期表的比赛仍在继续。 ONE of the first inklings that chemistry has an u

发表于:2018-12-31 / 阅读(280) / 评论(0) 分类 经济学人科技系列

Some pairs of words are used interchangeably, even indiscriminately. Often the words in question sound similar, and that creates confusion. Other times they are simply misused so frequentlyowing to their similarity of meaning, despite a nuanced diffe

发表于:2019-01-02 / 阅读(159) / 评论(0) 分类 英语语法 Grammar Girl

在GRE写作中,全球化的概念考查非常高频,而且全球化的概念和影响在其他类型(例如科技、教育、政治以及文化类话题中也高频被调用),因此面对这个高频的主题素材,特为所有同学补充全球

发表于:2019-01-03 / 阅读(197) / 评论(0) 分类 GRE英语

Some people of Italian ancestry, like me, might have a surprise in the family treea man of east Asian descent, who was living and working 2,000 years ago in the boondocks near the heel of the Italian boot. The discovery is the first good evidence of

发表于:2019-01-08 / 阅读(188) / 评论(0) 分类 Scientific American(二)月

Dante (Alighieri) 1265 -- 1321 The Italian poet Dante Alighieri wrote The Divine Comedy, the greatest poetic composition of the Christian Middle Ages and the first masterpiece of world literature written in a modern European vernacular. Dante lived i

发表于:2019-01-08 / 阅读(152) / 评论(0) 分类 GRE作文

Science and technology 科学技术 Creutzfeldt-Jakob disease 克雅氏病 Breaking down the barrier 攻破屏障 A glimmer of hope for a drug that treats disease caused by prions 药物治疗朊病毒感染疾病的一线希望 THE epidemic of mad-c

发表于:2019-01-26 / 阅读(231) / 评论(0) 分类 经济学人科技系列

GRE频道在此与大家分享新东方北京学校GRE名师韩冰老师为大家带来的有关on the contrary的讲解。 似乎 on the contrary 掀起了一阵轩然大波,很多小伙伴都过来问我,老师on the contrary 到底想怎么样,

发表于:2019-02-01 / 阅读(206) / 评论(0) 分类 GRE英语

Beijing will experience five days of poor air quality partly caused by heating systems being turned on, officials announced on Tuesday. 有关官员在周二表示,由于冬季供暖开始,未来5天北京的空气质量将比较差。 Pollution

发表于:2019-02-03 / 阅读(228) / 评论(0) 分类 英语新闻

Dangling bonds 悬挂键 Dark current 暗电流 Dead time 空载时间 Debye length 德拜长度 De.broglie 德布洛意 Decderate 减速 Decibel (dB) 分贝 Decode 译码 Deep acceptor level 深受主能

发表于:2019-02-05 / 阅读(192) / 评论(0) 分类 实用英语

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(209) / 评论(0) 分类 托福英语

Circulatory Function of the Liver While the liver is technically part of the gastrointestinal system, it also plays an important role in blood circulation. The liver has been called the antechamber of the heart because it collects and processes all o

发表于:2019-02-15 / 阅读(193) / 评论(0) 分类 英文语法词汇

BEIJING, Nov. 30 (Xinhuanet) -- Heading football frequently may cause brain damage leading to subtle but serious declines in thinking and coordination skills, a new study suggested as quoted by media reports Wednesday. Researchers used an advanced MR

发表于:2019-02-16 / 阅读(190) / 评论(0) 分类 英语新闻

This involved bombarding samples with neutrons in a small nuclear reactor and carefully counting the gamma rays that were emitted; 这项技术包括在一个小型核反应堆里用中子轰击样品,仔细计算释放出来的射线。 it was ext

发表于:2019-02-25 / 阅读(247) / 评论(0) 分类 万物简史
学英语单词
5-Oxoproline
a lump of sugar
actus rei
air-dried coal
alti
anomer
apple worms
arbuscular
ballandsocket
bias telegrph distortion
Blut und Eisen
brother john
Cerubidine
Cipango
Claude process,Claude method
Cohen operation
computer-tomographies
constant frame size
convergent-divergent inlet
cross-shoot
cryptophthalmia
data extended block
decalage
design asphalt content
discharging port
distributed data technique
East Coast Ra.
emergency turn
Erik XIV
erythrisms
excess and deficit chart
file the consolidated income report
follicle-stimulating
forms control record
galactic circle
Give me five!
glandular disorders
globe photometer
glowlamps
go-go dancing
graded energy gap solar cell
grass rug
Hinchinbrook I.
hydrokinesitherapy
hyporrhea
idle unit
immortalized
indunas
Karawa
Kālni R.
limit of computational model
loose fish
lowest-rate
magnesium arsenate
memory span test
metalliferous veins
msgs
mullite block
musaji
mutings
needle game
non-symmetrical winding
one's last will and testamnet
open class
Osacyl
oxazolinyl
pass off as
pass sth around
peaseweeps
pepe bending fatigue tester
pian r.
piancas
pole-mounted circuit-breaker
processing plan
project national economic assessment
propellant-servicing vehicle
quick-bar
radio radiation
rami labiales posteriores
reene
rottersman
satellite equipments
shape cutting machine
skeating
standing ribs
subaudio telegraph
tapping of molten steel
thieves' latin
three-terminal bridge
transfinite logical choice function
truncated icosahedrons
Tuskegee syphilis study
ultra violet photography
under-agent
unmovableness
us billion
vanadium tribromide
Venturi tube mixer
voluble herb
Wagner Seamount
Woodland cultures
Zuckerkandl's convoiution