等离子蚀刻机

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(110) / 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(125) / 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(107) / 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(67) / 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(98) / 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(85) / 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(92) / 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(123) / 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(57) / 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(64) / 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(120) / 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(96) / 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(139) / 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(88) / 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(50) / 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(55) / 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(121) / 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(91) / 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(75) / 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(90) / 评论(0) 分类 英语新闻
学英语单词
5-methylindoli-propionic acid
allergic nodular angitis
alpha privativum
amargosa
american college testing(act)
bear evidence of
beteman-kelvin principle
biramous appendage
birmbank
blowoff
cable trunking
cancer suppressor gene
cardiomelanosis
chenars
Chugunayevo
CoffeeScript
comprehensive glass insurance
crack of doom
crocodylidaes
crystal tea
cutting content
days of turnover
dedder
deinsulated
digital telemetry system
disk memory
double currency
ease out of
echo return
Elmidone
ethans
facetiousnesses
factory contral
Fajans-Soddy law of radioactive displacement
fluid sphere gyro (fsg)
Frankenhauser's ganglia
gazella subgutturosas
genus leontopodiums
get one's banana peeled
goes around with
grandma
grub about
human approach
hyperphosphatasaemia
impact microphone
in-service inspection system
indicator unit
insulation to falls
integrated circuit connector
intrinsic derivative
izaak
Japanese blue gold
jarretts
Khvājeh Zā'i
knitted
langtree
lasallia asiae-orientalis
laser enrichment
left auxiliary
lindey
liquid-moderator reactor
longitudinal electromagnetic force
look oneself again
Miami model
micropyrenic
Mount Ayr
Nabcin
Nawnghwe
nitrile phenolic adhesive
noble opal
NRZ-M (non-return-to-zero mark)
paraphase converter
parasitids
partscores
peach pit
permanent record
RANZCP
remote-control panel
salaite (salite)
screw shaped
set the land
shadow blood
short-duration voltage test
singing hinnies
statue-like
stone fly
system property
testing gallery
thin and weak body
Todesfelde
tossahs
trienio
trigeminies
turn-coat
type permitted
urina sanguinis
vehicle flowrate
veni
vertical axis propeller
weft yarn
winning and opening
wrong-way alarm