补偿电阻,中和电阻,抵消电阻

World Action Needed to Prevent Widespread Antibiotic Resistance Since the discovery of penicillin in 1928, we have used antibiotics against a host of infections. But now, doctors are finding that more and more bacteria are resistant to even the stron

发表于:2018-12-08 / 阅读(64) / 评论(0) 分类 VOA标准英语2015年(十二月)

Poverty Source of Tropical Infections in Texas, Gulf of Mexico Chagas is an infectious disease transmitted by the kissing bug. The kissing bug looks a little bit like a cockroach but it has the ability to feed on blood and it lives in the very poor q

发表于:2018-12-08 / 阅读(45) / 评论(0) 分类 VOA标准英语2012年(三月)

中和抗体有望助力艾滋病疫苗研制 Researchers say powerful antibodies may hold clues to developing an effective AIDS vaccine.The antibodies were isolated from individuals already infected with HIV. Dr. Wayne Koff saysthe goal is to find a

发表于:2018-12-16 / 阅读(56) / 评论(0) 分类 VOA标准英语2016年(七月)

During his first term in office, Indonesian President Susilo Bambang Yudhoyono oversaw a period of robust economic growth based on exports. This year exports have slowed as a result of the global recession. As the president gets set to begin his seco

发表于:2018-12-19 / 阅读(54) / 评论(0) 分类 VOA双语新闻 2009年9月

The spokesman for the Lord's Resistance Army says Congolese forces and U.N. peacekeepers in Congo Kinshasa are preparing to move against the rebel group, which has yet to sign a peace deal to end a 20-year reign-of-terror in the region. VOA Correspo

发表于:2019-01-06 / 阅读(124) / 评论(0) 分类 VOA标准英语2008年(九月)

This is Scientific Americans 60-Second Science. Im Cynthia Graber. Thisll just take a minute. Heres a strange tale of two previously unrelated food products. First: chitlins, that delicacy of fried pig large intestines. Theyre well-loved throughout t

发表于:2019-01-08 / 阅读(84) / 评论(0) 分类 Scientific American(十一)月

Flu Virus Disarms Immune System's First Responders 流感病毒瓦解免疫系统的第一道防线 From VOA Learning English, this is the Health Report. 这里是美国之音慢速英语健康报道。 Infection by the influenza virus may be more co

发表于:2019-01-12 / 阅读(118) / 评论(0) 分类 2013年VOA慢速英语(十二)月

Antibiotics Breed Drug Resistance in Pigs Pigs given low doses of antibiotics had more E. coli in their guts, and that bacteria showed an increased resistance to antibiotics, according to new research. The study confirms the routine practice of feedi

发表于:2019-01-13 / 阅读(68) / 评论(0) 分类 VOA标准英语2012年(一月)

Vidushi Sinha | Washington, DC 18 May 2010 The World Health Organization calls antibiotic resistance one of the three greatest threats to human health. Experts fear antibiotic resistance puts humans in danger of becoming nearly defenseless against so

发表于:2019-01-13 / 阅读(111) / 评论(0) 分类 VOA标准英语2010年(五)月

Scientists Gather for AIDS Vaccine 2011 The largest conference on AIDS vaccine development is being held in Bangkok, Thailand FROM September 12th to the 15th. Researchers will discuss how to build on recent advances in a time of tight budgets. Organi

发表于:2019-01-13 / 阅读(59) / 评论(0) 分类 VOA标准英语2011年(九月)

New Yellow Fever Vaccine Shows Promise A new vaccine for yellow fever is showing good results in tests as it overcomes one of the biggest problems with the current version. Yellow fever is a deadly disease that occurs in much of South America and sub

发表于:2019-01-14 / 阅读(77) / 评论(0) 分类 VOA标准英语2011年(四月)

Potent Antibodies Offer New AIDS Vaccine Design Researchers say powerful antibodies may hold clues to developing an effective AIDS vaccine. The antibodies were isolated from individuals already infected with HIV. Dr. Wayne Koff says the goal is to fi

发表于:2019-01-14 / 阅读(78) / 评论(0) 分类 VOA标准英语2011年(八月)

Kenya: Misuse of Antibiotics Leading to Resistance by Immune System NAIROBI In Kenya, the rise of drug resistant bacteria could reverse the gains made by medical science over diseases that were once treatable. Kenyans could be at risk of fatalities a

发表于:2019-01-14 / 阅读(86) / 评论(0) 分类 VOA标准英语2015年(一月)

美国准备销毁叙利亚化学武器 The U.S. Defense Department is preparing to test a system it plans to use to destroy Syria's chemical weapons stockpiles at sea. Officials are offering reassurances that the process will be safe. 美国国防部正

发表于:2019-01-18 / 阅读(78) / 评论(0) 分类 VOA双语新闻 2013年12月

Artemisinin, also known as QingHaoSu in Chinese, was discovered by Chinese scientist Tu Youyou. She received the 2015 Nobel Prize for Physiology and Medicine for the drug's discovery by her team more than three decades ago. In her speech at the Karol

发表于:2019-01-19 / 阅读(130) / 评论(0) 分类 2015CRI中国国际广播电台

During his first term in office, Indonesian President Susilo Bambang Yudhoyono oversaw a period of robust economic growth based on exports. This year exports have slowed as a result of the global recession. As the president gets set to begin his sec

发表于:2019-01-31 / 阅读(58) / 评论(0) 分类 VOA标准英语2009年(九月)

爱的反抗力 Muse - Resistance Resistance Muse Is your secret safe tonight? And are we out of sight? Or will our world come tumbling down? Will they find our hiding place? Is this our last embrace? Or will the walls start caving in? (It could be w

发表于:2019-02-05 / 阅读(76) / 评论(0) 分类 好听的英文歌曲

Israel has issued a stern warning after Iran said it had begun making a higher-grade nuclear fuel. Israeli Prime Minister Benjamin Netanyahu says Iran's intentions are clear. Iran is racing forward to produce nuclear weapons in brazen defiance of the

发表于:2019-02-12 / 阅读(71) / 评论(0) 分类 VOA标准英语2010年(二月)

Meanwhile the tireless Rutherford, now back at Cambridge as J. J. Thomson's successor as head of the Cavendish Laboratory, came up with a model that explained why the nuclei didn't blow up. He saw that they must be offset by some type of neutralizing

发表于:2019-02-17 / 阅读(82) / 评论(0) 分类 万物简史

When a virus enters your body, your body has to recognize it then produce a protein called an antibody. These antibodies attached to the virus and neutralize it. However, in the time it takes your body to produce enough antibodies, the virus may have

发表于:2019-02-23 / 阅读(51) / 评论(0) 分类 英语时差8,16
学英语单词
alkaline - earth metal
altered design
Amalocalyx yunnanensis
amidonaphthol red g
Amorphophallus campanulatus
amphitheatrical
Atuna
bass line
be e-
beetle-brain
bending relief
bicolour lespedeza
binding course
biomedical radiation-counting system
Blackanese
blue lady
buethe
calciosolenia murrayi
castrations
cats paw
Cellnet
cerium(element)
Clostridium tertium
connection strap
constitutionally
cooling oil
d-ga
diesel pile driver
disjointure
donor dopant
dout
dribbling nozzle
drop down to
Dyck
engine-rooms
esophagitides
execute
experimental data processing system
ferrotapiolite
fibrous sheath
file retrieval
film spreading device
Flekke
gambales
grae
green label
Grelling-Nelson paradox
hornbeams
immobilising
incur the risk of
induced tip
intestinal spatula
joint box compound
Kim Jong-Il
kolton
krause
Lamina membranacea
layer cake federalism
letter cs
maintenance costs
Malus formosana
maroti fat
medicine bag
mesotidal
meta-analyzed
midafternoons
molasses boat
monocular range finder
Mora Burun
neutron number
nonapologetic
observing tower
out of harmony
overpriming
phagocytises
Pollyannaism
preparatory study
restropic
ripple-through
security reviews
semixylenol orange
shye
small bond
specific fertility rate
spiral plates
sporadic disease
steel-tank mercury-arc rectifier
subscriber meter
swim-bladders
tecoblastesis
terpoile
the legal profession
titanic acids
top chuck
Torosaurus
touch-tone device
turbine loss
unemaciated
unhoped for
valve face
yearly average
yield of timbers removed before final cutting