天体物理学等离子体

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(181) / 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(174) / 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(158) / 评论(0) 分类 太阳科普

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(103) / 评论(0) 分类 Scientific American(二)月

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(142) / 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(126) / 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(130) / 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(170) / 评论(0) 分类 医学英语

Designed by scientists at the Max Plank Institute in Germany, the iSkin can be stuck to fingers, forearms or even behind people's ears. The thin, flexible sensors can be glued on to the skin like a temporary tattoo. They allow users to control smartp

发表于:2019-01-16 / 阅读(94) / 评论(0) 分类 英语新闻

AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster: a track from the original Broadway cast recording of The 25th Annual Putnam County Spelling Bee. RS: The show is a musical satire of spelling competitions and the pressure to go t

发表于:2019-01-18 / 阅读(107) / 评论(0) 分类 英语单词大师-Word Master

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(161) / 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(135) / 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(205) / 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(120) / 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(85) / 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(92) / 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(158) / 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(126) / 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(106) / 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(132) / 评论(0) 分类 英语新闻
学英语单词
aegista taiwanica
alberuela de tubo
amnesics and recall
Arabis glabra
araucaria family
Arbutus menziesii
arm of ratchet
Balanbaalle
basic insurance
be in sober earnest
biological time orientation
Bogolyubovo
Boolean pattern
call for sb
Carlesia
cartographic expression
charges for services
confluent parenchyma
consecutive fourths
convective activity
crocodile-skins
cyphonocerus hwadongensis
D.Scn.
Dieo
diluted gasket
dominum
drywalled
duration of peaking time
eliecer
erosion of cervix
ethylarsonic acid
ethylparahydroxybenzoate
extra-extra
flaser structure
Free test
Freestone State
Gastrocybe lateritia
genetic factors
genus gymnopiluss
GNRP
gravimetric data
hail
heavy impulse
heliomyelitis
high-arch tractor
Higher National Diploma
immigration procedures
insert plate
interwave
Johannesbrunn
Kappa statistic
kappus
laminated plastic veneer
lingchi
logical file section
Mahonia shenii
malachite green agar
man-god
monotrailer
nasofrontal fontanel
near-earth asteroid
noelles
not give a pin for
O. P. S.
odontonomy
over-duty motor
Oxhill
Paranapanema
phosphoryl
platinum resistance sensor
plummer block seat
quality inspection of finished products
rank-order
Rapid fast dyes
Rivulinae
saltponds
set something against something
sight extension
single pneumonia
space cycle
specific sensitivity
starting circuit breaker
static weighing method
stight
stormare
survey of existing railway
T-shaped root of blade
talbort
the lexicon
theoretical calculations
thrust one's nose into
timber line
to acknowledge oneself beaten
total-reversal solidification
trifoliolate and alternate leaves
trirectangular trihedral
tunnel drivage
two's complementer
unearned rent
upper layer association
Uumannia
venae colicae dextrae