血浆过滤法

Beijing will launch a pilot program to equip schools and kindergartens with air filtration devices. Smog has been a significant issue in the Chinese capital this winter. I was coughing just now, I always wear mask, from school to home. The air is cho

发表于:2018-12-02 / 阅读(106) / 评论(0) 分类 2017CRI中国国际广播电台

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(109) / 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(122) / 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(105) / 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(66) / 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(96) / 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(83) / 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(90) / 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(121) / 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(118) / 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(93) / 评论(0) 分类 生活大爆炸第三季

By Tabinda Naeem Washington, D.C. 21 May 2007 Two years ago, the National Academy of Engineering established the Grainger Challenge Prize for Sustainability. This $1 million award was designed to challenge the world's scientists to develop a practica

发表于:2019-02-03 / 阅读(133) / 评论(0) 分类 2007年VOA标准英语(五月)

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

发表于:2019-02-03 / 阅读(138) / 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(87) / 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(48) / 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(53) / 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(119) / 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(89) / 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(73) / 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(88) / 评论(0) 分类 英语新闻
学英语单词
a poky hole of a place
abutment of dam
acutifolidine
after-match
Andrew Huxley
apologize to ... for
assiminea philippinica
at the time when
awreak
bare reactor
Batch processing.
Bicaz Chei
broad arrows
caproyls
cartilagines nasi lateralis
caustic flaking machine
collector drum
constrainedness
craterlets
craymer
current, bias
dish ... up
distortion of molding box
dopant redistribution
eleventh-hour
endofjob
erases
expanding drum uncoiler
explo
Facatativa
Falkland Lslands
frost-making
fruitier
Fula
generic font
generic term ofgeographical name
growth test
H-shape steel
HayPauncefote Treaty
IHSW
inhibitor gene
iron oxide purifier
isatin anil
ixobrychus eurhythmus
light tight
list editor program
Little Chute
living roof
manganochromite
marginal revenue production
maximum climbing slope
mephine
Miguel Esteban
Noct.
non pressurized body
noncompliers
nonstarving
outhaul winch
outside face
palaikastroes
papate
pathopoeic
polar dielectric
portable chemical cylinder
primer paint
progressive concentration
proportional expression
protazine
q2o
quality of site
Rantue
remittent malarial fever
retractable wrapper rolls
reverse-acting spiral
rice weevils
roll adjusting mechanism
Roosevelt, Anna Eleanor
Sand Creek Massacre
Santophen l germicide
Scytonema conchophilum
seagoing pipe line
shipworm
shooting brakes
slot input conductance
staged limited-entry technique
strictureplasties
tablemounted cooker
tank-truck
theodocia
throw ... money about
thrust-reverser cascade
to yell for help
total return
tracer finger
trammellers
uniformity of luminance
unza
Viburnum schensianum
wedge spectrograph
Wentzel's cell
wide-band data
yenough