混合胺(氮上取代基不同)

Congressional leaders are reporting progress today in talks aimed at fashioning a bailout of the country's financial markets. NPR's Debbie Elliott has more. Negotiations jump-started after House Republicans joined the talks. Minority Leader John Boe

发表于:2018-12-02 / 阅读(144) / 评论(0) 分类 2008年NPR美国国家公共电台九月

第三篇 内分泌系统 Section 3 Endocrine System amine precursor uptake and decarboxylation cell 摄取胺前体脱羧细胞 diffuse neuroendocrine system 弥散神经内分泌系统 endocrine gland 内分泌腺 endocrine system 内分泌系统 hormone 激素 hypophysis 垂体 ovary

发表于:2018-12-05 / 阅读(303) / 评论(0) 分类 医学英语

This is the VOA Special English Agriculture Report. The United States has urged China to accept new safety rules for its food and drug exports. American officials said the rules would include a new list of Chinese exporters. Agriculture Secretary Mi

发表于:2018-12-07 / 阅读(115) / 评论(0) 分类 VOA慢速英语2007年(五)月

1513 、 磁化电流 magnetizingcurrent 1514 、 磁性 magneticproperty 1515 、 磁场 magneticfield 1516 、 磁场强度 magneticfieldstrength 1517 、 磁漆;瓷漆 enamelpaint 1518 、 磁铁

发表于:2018-12-08 / 阅读(121) / 评论(0) 分类 英文名句短语

书表慢性病 续处方笺Chronic Illness Prescription Slip 慢性病 续处方笺Chronic Continuous Prescription 慢性病 续处方笺Refill Presriptions For Chroni Disease 诊断书Medical Certificate 挂号费Registration Fee 证明费Certifica

发表于:2018-12-12 / 阅读(171) / 评论(0) 分类 医学英语

This is the VOA Special English Agriculture Report. Melamine is an industrial chemical. So how and why did it get into pet food that caused kidney failure in cats and dogs? And what might be the risk to the human food supply? These are questions tha

发表于:2018-12-15 / 阅读(139) / 评论(0) 分类 VOA慢速英语2007年(四)月

A professor of public health with Peking University is holding his ground on downplaying the dangers of plasticizers and melamine at a liquor brand conference, but wants to apologize for making the comments. Professor Li Keji, sparked public anger af

发表于:2018-12-19 / 阅读(115) / 评论(0) 分类 英闻天下

The sex drug Viagra appears to cut the effects of stress on the heart by 50 percent, according to a report by researchers at Johns Hopkins University.The report shows that the drug, which is normally

发表于:2019-01-03 / 阅读(149) / 评论(0) 分类 奥运英语

Erythromycin,红霉素 Azithromycin,阿奇霉素 Clarithromycin,克拉霉素 Fluoroquinolones and their derivatives (e.g. levofloxacin),多西环素(如:脱氧土霉素) Tetracyclines (e.g

发表于:2019-01-03 / 阅读(140) / 评论(0) 分类 医务英语

分集介绍:导数,商数,正弦和余弦 Derivatives.of.products.quotients.sine.cosine

发表于:2019-01-05 / 阅读(390) / 评论(0) 分类 麻省理工学院公开课:单变量微积分

分集介绍:导数,斜率,速度与变化率 Derivatives.slope.velocity.rate.of.change

发表于:2019-01-05 / 阅读(391) / 评论(0) 分类 麻省理工学院公开课:单变量微积分

This is Scientific American's 60-Second Psych, I'm Christopher Intagliata, got a minute? While at Stanford in the mid-1960s, One Flew Over the Cuckoo's Nest author Ken Kesey started adding a peculiar ingredient to his home-cooked venison stew--LSD. N

发表于:2019-01-08 / 阅读(189) / 评论(0) 分类 Scientific American(三)月

By Kurt Achin Seoul 13 June 2008 North Korea's official news media have recently been praising South Korean anti-U.S. beef protests, describing them as a popular struggle against a traitor president. But as VOA's Kurt Achin reports from Seoul, the p

发表于:2019-01-16 / 阅读(123) / 评论(0) 分类 VOA标准英语2008年(六月)

高考英语作文开头技巧大集合 一篇文章通常可分为三个部分,即开头、正文和结尾。这三个部分安排是否得体,直接影响到文章的质量。 文章的开头一般来说应尽量做到开门见山,用简单明白

发表于:2019-01-17 / 阅读(208) / 评论(0) 分类 英语作文

Protamine sulfate is a drug that reverses the anticoagulant effects of liver compounds such as heparin. Protamine is extracted from the sperm of salmon and other species of fish, and then made into a protamine sulfate injection which is a necessary d

发表于:2019-01-19 / 阅读(146) / 评论(0) 分类 世界各地新闻集锦

New Zealand mothers are having difficulty finding cans of baby formula in the supermarkets. Some supermarkets are limiting the number of cans to two per customer. The shortage may be because Chinese in New Zealand are buying cans of formula to send b

发表于:2019-01-27 / 阅读(156) / 评论(0) 分类 新西兰英语

The New Zealand dairy company, Fonterra, which has a 43% share in the Chinese SanLu dairy factory, is donating $8.4 million to charity in China. SanLu baby milk formula was contaminated with melamine. Other baby milk formula has also been contaminate

发表于:2019-01-27 / 阅读(127) / 评论(0) 分类 新西兰英语

For more than a week, worried parents have crowded hospitals across the country, all hoping that urgent medical treatment will be enough to overcome the tainted milk thats in their child's system. While thousands of babies have become sick, thousands

发表于:2019-02-03 / 阅读(124) / 评论(0) 分类 英伦广角

An investigation has revealed six garment manufacturers in Shanghai have made school uniforms using toxic dye. The city's quality watchdog says it found aromatic amine dye in uniforms sold to 21 primary and middle schools across the city. China's nat

发表于:2019-02-14 / 阅读(146) / 评论(0) 分类 英闻天下

日本名护市市长开始竞选 TOKYO, Jan. 12 (Xinhua) -- Candidates started their official campaign on Sunday to compete for the mayor of Nago, an election which may affect the relocation of a U.S. military base in Okinawa. It will be a race betw

发表于:2019-02-19 / 阅读(148) / 评论(0) 分类 英语新闻
学英语单词
aircraft motor spirit
alcoholic enamel
angs
antiepilepsirin
antistaphylolysin
asklepioss
asyndetus calcartus
avalons
Bengalis
bursal syphilis
camdessuss
candelabrum
centri matic type internal grinder
cis-myrtenyl-diphenyl-phosphine
civilian airplane
commission of lunacy
Commodities Offence and Penalty Regulations
consumable guide electroslag welding
continuous screw press
conventional printing process
crownward
cyclohydrolase
Dipu
effect of human activity
end measuring gage
endocytobiologists
essential data
European mink
faecal matter
fatty acyl-CoA synthetase
ferguson-forcade algorithm
floor pianos
flowlines
forward-difference operator
generalized valence bond (GVB) method
geoparser
get a flat
giant stars
got the hots for
graveyard orbit
hania
hemitoxiferin
hennemann
hmra
hold sb in low esteem
hornified
hypermnesia
I. H.
incinerator ship
infrared absorption spectra hygrometer
input signal
interpleurites
intradural abscess
isotope production reactor
jouvets
kibutz
klaxon
lightweight laser designator (lwf)
long-distance call
mill feed
misstops
multi-head
muting sensitive
navigation by recognition
Neolitsea pingbienensis
Office of Censorship
oil absorbent fiber
overabounding
oxyammonia
pepperwood
perendinates
poroma
pressure drop (hydraulic)
primary device
provide someone with
quantitywise
re-configuring
repertoire of computer
repropagates
salendangs
SAPK
sapoaxin
seminary libraries
Sinosenecio phalacrocarpus
soth
spacer strip
squalus fernandinus
Stoneykirk
tacky state
takares
temporoparietooccipital
Thalictrum baicalense
theory of spatial heterogenity
thornton wilders
three-phase series commutator motor
totally real
vala-andhi
Vallene
vapo tension
vizinhos
water lens
wu kung chih wu