[电] 等离子体二极管

The key difference of course is that a sunspot's 最关键的不同点在于太阳黑子 an awful lot bigger and so the total energy, 大得多,所以太阳磁场内 or the amount of energy in the magnetic field 所含的总能量大得惊人 on th

发表于:2018-12-07 / 阅读(222) / 评论(0) 分类 太阳科普

Now the speed of light is a very,very big number. 光速是个很大的数字 So if we just take a small amount of mass, 所以只要一点点质量 you get a huge amount of energy. 就含有大量能量 And that's the energy which actually powers ou

发表于:2018-12-07 / 阅读(205) / 评论(0) 分类 太阳科普

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(187) / 评论(0) 分类 太阳科普

auxiliary anode 辅助阳极 auxiliary grid 辅助栅极 auxiliary jack 辅助塞孔 auxiliary memory 辅助存储器 auxiliary signal 辅助信号 auxiliary transmitter 备份发射机 available powe

发表于:2018-12-08 / 阅读(139) / 评论(0) 分类 电信英语

When youre looking for a table in a crowded cafeteria, you probably give wide berth to the family that sounds like its sharing a big dish of whooping cough. Well, not if youre a house finch, particularly a male. Because a study in the journal Biology

发表于:2018-12-24 / 阅读(120) / 评论(0) 分类 Scientific American(二)月

1135 、 晶体点阵;晶体格构;晶格 crystallattice 1136 、 棘轮和爪 ratchetandpawl 1137 、 棘齿 ratchet 1138 、 棘齿弓钻 ratchetbrace 1139 、 壳型模塑 shellmoulding 1140 、

发表于:2019-01-03 / 阅读(168) / 评论(0) 分类 英文名句短语

This is Scientific American 60-Second Science, Im Cynthia Graber. This will just take a minute. Heres one space mission that is definitely going to be unmannedNASA is going to the sun. The Johns Hopkins University Applied Physics Laboratory is buildi

发表于:2019-01-08 / 阅读(165) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. Got a minute? After a bad day at the office, were more likely to flip on a nature channel than find a flower-filled meadow or sunny beach to lower our stress. But if you cant head

发表于:2019-01-08 / 阅读(152) / 评论(0) 分类 Scientific American(七)月

上述10项是绝大多数英文药品说明书中必备项目,但是许多说明书中还常常出现其他一些项目。例如: 1、特点(Characteristics) 2、性质(Properties) 3、药代动力学(Phamacokinetics) 4、用药过量(

发表于:2019-01-08 / 阅读(151) / 评论(0) 分类 医学英语

第二节 性状 许多药品说明书的第一项是Description(性状),其原意是叙述、描写,在药品说明书及药典中一般都译为性状,其内容主要是介绍外观、理化性质、组成成分、结构、特征等。这一

发表于:2019-01-08 / 阅读(198) / 评论(0) 分类 医学英语

血液生物标志可预测死亡风险 HELSINKI, Feb. 26 (Xinhua) -- A joint medical research conducted by Finnish and Estonian researchers found that some biomarkers in blood sample could predict mortality risk to people who appear healthy, Finnish

发表于:2019-01-26 / 阅读(183) / 评论(0) 分类 英语新闻

好吧 Well... -那我该给克瑞普克下毒 -不 - I suppose I could poison Kripke. - No! 不 这其实很简单 No. It's a simple matter. 有那么几种有毒化学物 There are several toxic chemicals 尸检是查不出来的 that'd be untracea

发表于:2019-01-28 / 阅读(155) / 评论(0) 分类 生活大爆炸第三季

访谈录,都市丽人,行头,This morning on Today's Tech,

发表于:2019-02-03 / 阅读(247) / 评论(0) 分类 访谈录

BEIJING, Dec. 11 (Xinhua) -- China is faced with severe challenges in collecting enough blood plasma to produce medicines, Health Minister Chen Zhu said Sunday. Chen called on the public to join blood donation after donating blood plasma at the Beiji

发表于:2019-02-07 / 阅读(146) / 评论(0) 分类 英语新闻

水桶腰并非久坐导致 We all know that too little exercise can pack on the pounds and contribute to heart disease and other ills, but a new study published in the European Heart Journal on Jan. 12 shows that we can even cause ourselves harm sim

发表于:2019-02-08 / 阅读(103) / 评论(0) 分类 实用英语

Everyone knows that a woman who smokes and plans to become pregnant should stop smoking. A new study suggests that the future father should quit, too. 人人都知道,吸烟的女性如果计划怀孕,就应该戒烟。一项新研究表明,计划

发表于:2019-02-08 / 阅读(111) / 评论(0) 分类 阅读空间

You might not realise it, but sending even a short email has an impact on the environment. 你可能没有意识到,即使是发送一封小小的邮件也会对环境产生影响。 Scientists estimate that an email adds about four grams (0.14 oun

发表于:2019-02-08 / 阅读(191) / 评论(0) 分类 阅读空间

One of my favorite examples of liminal excellence comes from the late Dr. Claudia Alexander, 我最欣赏的一位具有交叉才能的榜样是已故的克劳迪娅亚历山大博士, a black woman plasma physicist, who passed away this past July

发表于:2019-02-13 / 阅读(144) / 评论(0) 分类 TED演讲国际问题篇

Listen to the statements and check the correct answers. 1.Is sweeping out the tiny dust bothering you a lot? From now on if you have this machine, doing the housework will become a very easy job. This is a portable vacuum cleaner. lt's light and wire

发表于:2019-02-17 / 阅读(126) / 评论(0) 分类 英语听力练习题

CHENGDU, May 5 (Xinhua) -- Chinese Health Minister Chen Zhu donated plasma on Saturday in Chengdu, capital of southwest China's Sichuan Province, and called on health workers to take the lead in blood donation to ease the country's blood supply short

发表于:2019-02-18 / 阅读(147) / 评论(0) 分类 英语新闻
学英语单词
a shaft
allblack
Arawakan
be subjected to
business associate
capability unit
certification of genuineness
changing her tune
chlorine generator
Computex Taipei
concentric stranding
continuous deformation
conventional depreciation
cytoplasmic genetic factor
dasburg
demarcate
dishshaped
dopr test
ducasse
dynamic tube tester
earth observation
eddy current magnetism
eight-seaters
elastomeric bearing
eliminating phlegm and diminishing swelling
esramine
ethnicky
examples of systems
family apogonidaes
fetal distress
film drawer
frame bend
genus phellodendrons
graphite-clay brick
Harper County
histamine blocker
hulsite
humbrecht
improvably
inclined plane tester
indirect sound
inner product of a function
inspirationalism
institutional fund industry
l?wen-roth syndrome
labels for packages of dangerous goods
Landau level
landing direction indicator
liquidation value
London, Bay of
madrasah
mandibular movement
media communication
melquiades
methylquinoline
micropterus pseudoplitess
Millward
miniglucagon
mistakers
movie director
mugham
multi-sport
nccb
needlets
nitrate of baryta
oncogensis
open auger
oryzacidin
over-processes
parliaments-in-exile
percontatorial
physallization
pie holes
Piscidia erythrina
product bypass
Pseudamphistomum
raise a blockade
rim of flywheel
Roules
Safe Prosecution of Voyage
scheme of hidden periodicities
sea surface topography
set asynchronous
setting ring
sinews of war
Sinhala
site protection
snuggliest
spike rush
standard curve
starting voltage
suturas
taxonomic system
telestrator
the infernal regions
threies
triple-clamp bolt
upland tropic rainforest
V-rutile
vestinus
Wallhauser-Whitehead's method
wonderettes