[试验] 耐油性试验

This is the VOA Special English Education Report. More than half the teachers in the Houston Independent School District, the largest in Texas, have earned merit pay awards this year. Marjorie Hunt-Bluford is one of them. The idea seems reasonable.

发表于:2018-12-07 / 阅读(86) / 评论(0) 分类 VOA慢速英语2007年(九)月

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(104) / 评论(0) 分类 VOA标准英语2015年(十二月)

Tip(诀窍),resistance F: take up(获得) any sales tips? M: sure, give you 10% off and let you loose (放任自由)in my store F: I admit it. My sales resistance(对推销的抵制力) is low. M: your sales resistence is not existent. F: Im a pushover(容易被

发表于:2018-12-16 / 阅读(181) / 评论(0) 分类 VOA 商务英语

Cambridge 8 TEST 4 1. middle-year education=lower secondary school 中学2. format=pattern n.格式 3. less successful student=struggler 差等生4. key=contributing factor=important=major=significant=critical n.关键5. achievement=attainment=progre

发表于:2018-12-18 / 阅读(105) / 评论(0) 分类 雅思英语

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(154) / 评论(0) 分类 VOA标准英语2008年(九月)

The price of oil has dropped around 20 percent in recent weeks, but remains more than double what it was just a couple of years ago. The high price has given oil companies the incentive to revisit old fields long ago abandoned as unprofitable. As VO

发表于:2019-01-11 / 阅读(178) / 评论(0) 分类 VOA标准英语2008年(八月)

This is the VOA Special English Agriculture Report. Not all research begins with a plan. Some studies begin by accident. Meredith Schafer says that is what happened with her and Cynthia Sagers. Cynthia Sagers is a biology professor at the University

发表于:2019-01-12 / 阅读(82) / 评论(0) 分类 2010年VOA慢速英语(九)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(99) / 评论(0) 分类 VOA标准英语2012年(一月)

U.S. officials say a cap on a damaged oil well in the Gulf of Mexico appears to have a small leak, but they say there are no plans to remove the cap from the well. Engineers are carefully studying the well for any evidence of problems. Engineers spot

发表于:2019-01-13 / 阅读(99) / 评论(0) 分类 VOA标准英语2010年(七)月

A workboat pulls boom into place alongside the Pacific Responder oil skimming vessel in the Gulf of Mexico near the coast of Louisiana, 14 Jul 2010 BP has restarted a pressure test on a leaking oil well in the Gulf of Mexico to prepare for an effort

发表于:2019-01-13 / 阅读(96) / 评论(0) 分类 VOA标准英语2010年(七)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(143) / 评论(0) 分类 VOA标准英语2010年(五)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(123) / 评论(0) 分类 VOA标准英语2015年(一月)

AUDIE CORNISH, HOST: The BP disaster in the Gulf of Mexico seven years ago showed just how hard it is to combat a massive oil spill. Cleaning oil from water is a challenge, especially on the open sea. Now the federal government is backing research on

发表于:2019-01-16 / 阅读(103) / 评论(0) 分类 2017年NPR美国国家公共电台3月

As Assault On Mosul Looms, Resistance Grows And ISIS Grows More Brutal play pause stop mute unmute max volume 00:0003:43repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update your

发表于:2019-01-17 / 阅读(120) / 评论(0) 分类 2016年NPR美国国家公共电台10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(167) / 评论(0) 分类 2015CRI中国国际广播电台

By David McAlary Washington 10 January 2007 One of the main weapons to prevent mother-to-child transmission of the AIDS virus during birth is the drug nevirapine. But when nevirapine is used alone just once, HIV starts becoming resistant to it. Rese

发表于:2019-02-04 / 阅读(130) / 评论(0) 分类 2007年VOA标准英语(一月)

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(101) / 评论(0) 分类 好听的英文歌曲

HOUSTON, Sept. 7 (Xinhua) -- British oil giant BP announced Wednesday it had a major oil discovery in the Gulf of Mexico. An appraisal well the company drilled in a previously untested northern segment of the Mad Dog field in the Gulf of Mexico found

发表于:2019-02-07 / 阅读(174) / 评论(0) 分类 英语新闻

Saudi Arabia is signaling that it is going to boost its supply of oil on its own after failing to convince other oil producers to jointly agree to more production. Several news agencies reported Saturday that the Saudis could increase their oil produ

发表于:2019-02-11 / 阅读(144) / 评论(0) 分类 英语新闻

NEW YORK, July 13 (Xinhua) -- Crude prices rose on Friday as supplies tended to be tight on new Iran sanctions and production problems in North Sea. There was news on Thursday saying that the Obama administration expanded sanctions on Iran, in an eff

发表于:2019-02-18 / 阅读(130) / 评论(0) 分类 英语新闻
学英语单词
acknowledged
AFSPACE
air compressor auto-control
air line distance
allegorics
and welcome
armed rioting
artificial feel system
average molecular weight
bakerlike
batch process
behavior reaction
bunchiest
Byclomine
Cassia didymobotrya
cockie-leekie
court games
Dag Hjalmar Agne Carl Hammarskjold
dellenite-porphyry
dimensioners
distribution of salts
dolopethin
dwarf cepheid
E5
effective evaporation
elastic pinch plate
elementary family of arcs
epigastria
excesses
expiscator
fembot
field ray
forms analysis chart
give sb. a lead
gravitational conversion factor
gravity potential second derivative
hypothetico-inductive
inequality variance- covariance restrictions
isoarctigenin
joan baez
juragas
kelesi
lank sleeves
Laservision
librettos
liquid metal corrosion test
loco plant
mandatory minimum sentence
maximum point covering
mixed business
moulded core
Nakijin
NMR absorption line
non-competing groups
old king cole
ophthalmotheca
original sin
osmunda cinnamomea l. var. asiatica fernald
oxazaphosphorine
paracholera vibrios
Paris violet
pediatric clinic
PGAD
photofermentation
physiological astigmatism
pneumatic assembling bench
Port Scheme Law
pseudoxanthomonas spadix
quenched frequency
refrigerating brine
retrodialysis
ROM module
Romanly
rosincore solder
sagittal axis
saltmarshes
semi-hydraulic fill dam
shooting board fixture
sidewoman
skin tolerance dose
social secretary
souns
southerlies
storm-finch
substance offered for carriage
superomedially
systemizer
taking against
Tetraporina
Thuringian Basin
thymelaealess
total negotiable market capitalization
triclosan
trouble man
tubular atomizer
unique perspective
unshielded
wachaus
weight guarantee
whythene
wlr
wooden beam bridge