坏死杆菌属

Tens of trillions of microbes call our living bodies home. But when we die? The first thing that happens is basically ecosystem collapsewhere you have a tremendous loss of diversity. Nathan Lents, a molecular biologist at John Jay College in New York

发表于:2018-12-02 / 阅读(267) / 评论(0) 分类 2016年Scientific American(十二)月

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(214) / 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(339) / 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(250) / 评论(0) 分类 科技之光

发表于:2019-01-03 / 阅读(231) / 评论(0) 分类 医务英语

内分泌、营养、代谢性疾病 胫前粘液性水肿 pretibial myxedema 粘液水肿性苔藓 lichen myxedermatosis 黑棘皮病 acanthosis nigricans 黄瘤病 xanthomatosis 类脂蛋白沉积症

发表于:2019-01-03 / 阅读(234) / 评论(0) 分类 医务英语

发表于:2019-01-03 / 阅读(225) / 评论(0) 分类 医务英语

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(268) / 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(260) / 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(376) / 评论(0) 分类 2015年VOA慢速英语(七)月

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(304) / 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(237) / 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(313) / 评论(0) 分类 2006年慢速英语(四)月

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(249) / 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(287) / 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(217) / 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(288) / 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(247) / 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(292) / 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(295) / 评论(0) 分类 TED演讲教育篇
学英语单词
a low number
acolpate
actual fault
adenolymphomata
affrontive
altitude alkalosis
ambraceus
amylboric acid
antimajoritarian
Arey's rule
audio console
aversive conditionings
Barbados Basin
basic dress
be tied to the chariot of
besmear with
blue mass
Boschniakia kawakamii
breadtwists
buoyant smoke signal
calender flow mark
cerebrohyphoid
certificate of control
cheese powder
chromatographic flow system
clawhammers
compensator link motion
Cro-Man-Zin
Culicoides sugimotonis
dauw
de Hass-Schubnikov oscillation
decreasing wage share
destructivenesses
dije
dorsal petrosal sinuses
drinamyl
ductor roller
efletirizine
ehle
elkoplasty
enterotoxins
equity strategic alliance
falls into
fasciculi transversi (aponeurosis plantaris)
Filey
flooding area
force plate
gastroesophageal reflux disease
Glencarse
gubernaculum testis
guide pin bush
hartridge smoke unit
healthcare organization
heidelbaugh
hermatology
Holzminden
LA (logic address)
lacinarastra
lateralizations
lay sth on
LCD monitor
legalistically
long trousers
Matorral, Pta.del
N-methylphenazonium methosulfate
natural rights
nervi jugularis
nettle ring
neurol
nizatidine
non-propelling
opposite leaf
palest
pancreaticojejunostomy
pero
pithecellobium clypearia benth
positive angle
positive writing
potentiometric titration apparatus
predictor method
preferential right to renew the contract
principle of limitation on marginal benefit
profundulid
pump stall
regular submanifold
ribovirin
secondary yolk cell
sell someone down the river
sheld duck
signalization
significant graduation
small-molecule
sprung-hub wheel
Tartarian
tendsome
thermal detection radiometer
time display
to bind sb over
unequal probability
unrandy
wash baskets
worm-and-nut type steering