射光桿菌属

Bacterium Targets Untreated HIV-Positive People Researchers are warning of an emerging form of intestinal disease in sub-Saharan Africa. Its targeting mostly HIV-infected people, who are not on treatment. The disease kills up to 45 percent of those i

发表于:2018-12-08 / 阅读(534) / 评论(0) 分类 VOA标准英语2012年(九月)

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The human genome was sequenced, and in the process of moving that forward the technology that was developed was incredible. And because of their efforts in human genome,

发表于:2018-12-24 / 阅读(754) / 评论(0) 分类 Scientific American(十)月

92 注意街头食品的卫生 DEVELOPMENT REPORT September 10, 2001: Street Food SafetyBy George Grow (Start at 1'01

发表于:2019-01-02 / 阅读(565) / 评论(0) 分类 科技之光

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This'll just take a minute. If you want to shell a walnut, it helps to have a nutcracker. And if you want to digest seaweed, it helps to have the right enzymes. Now, a study in the jo

发表于:2019-01-08 / 阅读(559) / 评论(0) 分类 Scientific American(四)月

The US House is expected to vote this hour on whether to extend expiring tax cuts for everyone, including the wealthy. NPR's Andrea Seabrook reports the issue's been generating heated debate. Democrats say they want to keep lower tax rates from middl

发表于:2019-01-08 / 阅读(542) / 评论(0) 分类 2010年NPR美国国家公共电台12月

Experts: Let Produce Dry Out to Avoid Bacteria American researchers say farmers should wait one day after a rain storm or watering their fields to harvest fresh fruits and vegetables. They say gathering the crops at least 24 hours after rainfall incr

发表于:2019-01-12 / 阅读(730) / 评论(0) 分类 2015年VOA慢速英语(七)月

Coloring Books Can Cut Stress for Adults 涂色本有助于减少成人压力 From VOA Learning English, this is the Health Lifestyle report. Coloring is an activity that children worldwide have long enjoyed. With a picture already made for them, kid

发表于:2019-01-12 / 阅读(484) / 评论(0) 分类 2016年VOA慢速英语(八)月

释放压力成人涂色书带来无限商机 Trina Lucido creates coloring books and inspirations are all around her. 特莉娜卢希多一手创造了涂色书籍,而她的灵感来自身边的事物。 One day I saw a beautiful leaf, and boom, I

发表于:2019-01-14 / 阅读(567) / 评论(0) 分类 VOA标准英语2016年(二月)

I don't like you going, her mother said again. It's a rich-people's party. Im going because Ive been invited, she said. And Ive been invited because Luciana is my friend. Ah yes, your friend, her mother grumbled. Listen, Rosaura, that girl is not you

发表于:2019-01-18 / 阅读(463) / 评论(0) 分类 英语PK台

Business this week 一周商业要闻 Britain's recovery gathered pace. 英国经济加快复苏脚步。 Industrial output grew by 1.2% year on year, the fastest rate since January 2011, with manufacturing up by 2%. 工业产出与去年同期相比增

发表于:2019-01-26 / 阅读(631) / 评论(0) 分类 经济学人要闻

AGRICULTURE REPORT - Going Biotech on the Farm: Second of Two PartsBy Mario Ritter Broadcast: Tuesday, May 02, 2006 I'm Steve Ember with the VOA Special English Agriculture Report. Farmers from a numb

发表于:2019-01-30 / 阅读(506) / 评论(0) 分类 2006年慢速英语(五)月

AGRICULTURE REPORT - Going Biotech: A Spanish Farmer Discusses His ExperienceBy Mario Ritter Broadcast: Tuesday, April 25, 2006 I'm Steve Ember with the VOA Special English Agriculture Report. The Bio

发表于:2019-01-30 / 阅读(625) / 评论(0) 分类 2006年慢速英语(四)月

Science and technology 科学技术 Nanotechnology 纳米技术 A fab result 生物工厂 A novel way of making computer memories, using bacteria 制造计算机存储器的新奇方法:使用细菌 FOR half a century, the essence of progress in th

发表于:2019-02-03 / 阅读(510) / 评论(0) 分类 经济学人科技系列

US scientists have stripped life back to its bare essentials creating a synthetic microbe with the absolute minimum genetic information needed to grow and reproduce. 美国科学家将生命的多余部分剔除,只留下最基本的要素,由此创

发表于:2019-02-05 / 阅读(543) / 评论(0) 分类 英语新闻

Follow-up examinations of the mice in all these experiments looked at the strengths of connections between nerve cells within part of the brain called the ventral tegmental region. 在所有这些实验中,老鼠的后续检查是观察中脑腹侧被

发表于:2019-02-16 / 阅读(615) / 评论(0) 分类 经济学人科技系列

She found that, while the genetically engineered mice and the BTBR mice had, as expected, reduced levels of L. reuteri, 她发现,虽然经过基因编辑的老鼠和BTBR老鼠体内的罗伊氏乳杆菌果然有所减少, and those with bacteria

发表于:2019-02-16 / 阅读(505) / 评论(0) 分类 经济学人科技系列

WASHINGTON, Sept. 27 (Xinhua) -- At least 13 people had been killed amid 72 sickened in 18 states in listeria outbreak traced to Colorado cantaloupes, making it the most deadly U.S. outbreak of food-borne infection since 1998, the Centers for Disease

发表于:2019-02-18 / 阅读(593) / 评论(0) 分类 英语新闻

Science and technology. 科技。 Nanotechnology. 纳米技术。 A fab result. 生物工厂。 A novel way of making computer memories, using bacteria. 制造计算机存储器的新奇方法:使用细菌。 FOR half a century, the essence of prog

发表于:2019-02-19 / 阅读(537) / 评论(0) 分类 经济学人综合

18 The Bounding Main 第十八章 浩瀚的海洋 Imagine trying to live in a world dominated by dihydrogen oxide, 请你想像一下,你能不能生活在一个由一氧化二氢主宰的世界里。 a compound that has no taste or smell and is so

发表于:2019-02-25 / 阅读(593) / 评论(0) 分类 万物简史

These bacteria are not passive riders, these are incredibly important, they keep us alive. 这些细菌不是顺从的乘客,他们难以置信得重要,他们让我们活着。 They cover us in an invisible body armor that keeps environmental in

发表于:2019-03-04 / 阅读(680) / 评论(0) 分类 TED演讲教育篇
学英语单词
acoustic impedance density
all sting
Angliers
Athens County
baloncesto
Bao Dai
bolts of lightning
bothropotoxin
bovine acetonaemia
budgerigar, budgereegah, budg-erygah
building harbour
butadiene-methylstyrene copolymer
carbon fibre reinforced concrete
chaze
cochleariformis
columbium oxytrichloride
cotton denim pants
Cowdenbeath
crankpin oiler
crassula
crop canopies
currency-market
cuts that out
dental diameter
dephenylchlorarsine
developmental robotics
dexter chief
dice-play
dihydroalprenolol
dilorio
directplunger elevator
EMPTS
empty medium
endomitosis
fabule
Famennian Stage
flat etching
fluoroprobes
friction powder
glasswasher
gunyahs
immediate constituent grammar
INCOT (in-core instrument test facility)
initiative test
jaconine
jet aeration
joe blows
jottings
Kaji-gawa
kilonova
Knee L.
Krümmel
Kubango
last ask price
linguicism
longitudinal force of tire
Loriinae
Magnolia denudata Desr.
master clear
Medelpad
monocon
muddling through
musculus malaris
neodypsis decaryi
non-refugee
off-the-clock
original catalog
Palaeogyrinus
pamperedness
Pfaffian differential equation
port charges outward
pre-ethical
psychologique
Qatarized
radial-admission
ready made units
replacement stock
repression of swelling
rhyobasalt
Rubus L.
scale model flow
second order factor
Selcuk(Ephesus)
self-programmings
shared index database
single frame
single-planetary mill
smoke vent system
star-drive
super-microscopic paleontology
Theophylline-guaiphenesin
took a bow
Ulu Merah, Gunong (Hulu Mara Kunung)
unbalance response
vacuum pump compressor
water permeability
welldrawn
whitwall
wickard
winteras
working season of sowing
zero power-factor characteristic