厌氧菌

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(98) / 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(181) / 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(101) / 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(133) / 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(152) / 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(210) / 评论(0) 分类 2015年VOA慢速英语(七)月

英语六级考试语法:名词复数的不规则变化 规则变化的复数名词有以下几种构成法。 构成方式 举例说明 构成法1: 改变内部母音字母。 footfeet toothteeth manmen womanwomen mousemice 构成法2: 加字尾en或

发表于:2019-01-17 / 阅读(78) / 评论(0) 分类 大学四六级阅读

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(152) / 评论(0) 分类 经济学人要闻

Delicacy was the key word. Not a whisper of disturbance could be allowed into the room containing the apparatus, so Cavendish took up a position in an adjoining room and made his observations with a telescope aimed through a peephole. The work was in

发表于:2019-01-29 / 阅读(97) / 评论(0) 分类 万物简史

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(91) / 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(206) / 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(114) / 评论(0) 分类 经济学人科技系列

Probiotic yoghurt drinks and supplements dont live up to their promises, according to an EU watchdog. They claim to boost your immune system and help digestion. It concluded there is no scientific proof that products such as Yakult have any health be

发表于:2019-02-04 / 阅读(89) / 评论(0) 分类 阅读空间

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(107) / 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(148) / 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(104) / 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(110) / 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(110) / 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(163) / 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(153) / 评论(0) 分类 TED演讲教育篇
学英语单词
1-aminopentane
after-irradiation
alkoxyorganosilane
amnionic fluid
angle with equal legs
anticounter
atomizer combustion chamber
backward inference
bactrocera zonata (saunders)
balza
bet a cookey
brawly 1, brawlie
Bursa musculi extensoris carpi radialis brevis
carpoptosis
Chinese bellflowers
chromospheric spectrum
cleggan
code element unit
composition of output
contemporary scientific management
continuous interest
cylinder cut-out
Dabuchyn
DC signalling system
density of freight traffic
diauchenos
disjasket
eighth-power
expansion loss
fluid-solid reaction
follicular cell tumor
fontanus
front tube sheet
genus ramalinas
gusher well
heterogeneous thermoelectric effect
Horstenburg
hot-end coating meter
hydraulic retention times
hygroexpansivity
hypercorrect
Ilex revoluta
inactive scale step
iodized phenol
isolated pacing response
isophylly
kinematics viscosity
Kocher incision
korosis
legacy network
lens placode
linear optimal stochastic system
logical-resource-oriented work-load model
mannerkorpi
Marlowe, Julia
MDIX
metal oxide semiconductor (mos) transistor
methionyl transadenosylase
Moyamba
nozzle type gas packaging method
obento
odens
overtyping
palladium contact point
pay a visit
perpetual trusts
phantem channel
plate dimensions
Power tests
presentation day
punkeys
rawnsley
re-evaluation
refresh period
Russey Cheah
Sanderstead
shion
sociology of energy
sphexide
spill file
ssf
star chambers
Steinsel
Tewah
theory of highest income
thermoionic converter
to the best of your knowledge
transdeterminations
tripping the light fantastic
turbulent shear stresses
twiring
two-piece web lashing
type bar guide
ultrasmart
unfortified milk
ursaenate
vallettas
water drinking test
weasy
werepup
X.25 recommendation
zener reference