【有机化学】四羟甲基氯化磷

New Solar Cell Minimizes Environmental Risks in Manufacturing Process 新的太阳能电池减少生产中对环境的危害 Scientists in England report the development of a new solar cell that minimizes environmental risks in the manufacturing proc

发表于:2018-12-08 / 阅读(214) / 评论(0) 分类 VOA标准英语2014年(六月)

Identity Thieves’ New Ploy: Pharming 2 How do people pharm? Pharming scams take a few different forms: Attackers could use malicious code, such as a virus, planted on a user’s PC to track keystrok

发表于:2018-12-19 / 阅读(317) / 评论(0) 分类 彭蒙惠英语

This is Scientific American's 60-Second Science, I'm Karen Hopkin, this will just take a minute. Shakespeare once said: A rose by any other name would smell as sweet. And that is true today as it was 400 years ago. What's different now, though, is th

发表于:2018-12-24 / 阅读(228) / 评论(0) 分类 Scientific American(四)月

This is Scientific American Sixty Seconds Science, I'm Sophie Bushwick, got a minute? When Mexican tetra fish moved into darker caves long ago, they evolved to deal with the dark by becoming albino and going blind. A new research shows that the chang

发表于:2018-12-24 / 阅读(237) / 评论(0) 分类 Scientific American(一)月

This title is the kind that gets attention, isn't it? I first heard about these two characters a few days ago. My three boys play an on-line game called Minecraft. It's actually quite fabulous. It is an unending arena, where you can discover and crea

发表于:2019-01-01 / 阅读(234) / 评论(0) 分类 英语博客 A cup of English

T Tanshinone IIA 丹参酮IIA Tanshinone I 丹参酮I Tanshinone IIB 丹参酮IIB Taraxasterol 蒲公英甾醇 Taraxerol 蒲公英赛醇 Tauro ursodesoxy cholic acid 牛磺熊去氧胆酸 Taxifolin 花旗

发表于:2019-01-03 / 阅读(224) / 评论(0) 分类 医务英语

Humulone 律草酮 Huperzine Serrate P.E 千层塔提取物 Hydroginkgolic acid 氢化白果酸 Hydroginkgolinic acid 氢化白果亚酸 p-Hydroxyacetophenone 对羟基苯乙酮 p-Hydroxybenzylalcohol

发表于:2019-01-03 / 阅读(204) / 评论(0) 分类 医务英语

AGRICULTURE REPORT - Restrictions on Methyl Bromide By Mario Ritter Broadcast: Tuesday, March 16, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Graphic Image Some chemicals

发表于:2019-01-06 / 阅读(262) / 评论(0) 分类 农业与发展

Researchers Say Malaria Drug Could Also Treat Cancer Scientists know that human cancer cells grow by getting energy from adjacent tumors, where cells have begun to self-destruct. The spread of cancer is accelerated by the death of these cells. This p

发表于:2019-01-13 / 阅读(219) / 评论(0) 分类 VOA标准英语2012年(三月)

The Macondo well operated by BP in the Gulf of Mexico has now been capped with a star adornment that commemorates the 11 people killed when the rig operating on the water surface above the site exploded on April 20. Clean-up efforts continue, though,

发表于:2019-01-14 / 阅读(243) / 评论(0) 分类 VOA标准英语2010年(十一)月

DAVID GREENE, HOST: Families across the United States are fighting with the federal government over a deadly chemical. Dozens of people have died from inhaling methylene chloride. This is an ingredient in common paint removers. NPR's Rebecca Hersher

发表于:2019-01-17 / 阅读(214) / 评论(0) 分类 2018年NPR美国国家公共电台11月

Every winter some twenty million tons of salt are dumped on America's road.That sodium chloride melts the ice, so it prevents its formatin, helping to prevent accidents. But road salt has its downside. This is not very economical because salt is main

发表于:2019-01-20 / 阅读(266) / 评论(0) 分类 2016年Scientific American(一)月

This week on Why Tell Me Why, we are finding out why the oceans are so salty. So the oceans are salty because the oceans have been around, lets say, for over five hundred million years. And over the course of time what we found out is that weve alway

发表于:2019-01-22 / 阅读(204) / 评论(0) 分类 自然百科2009年

Grammar Girl here. Today's topic is hyphens. On Monday afternoon Pat was watching the cable channel CNBC and called me over to the TV because the hosts were talking about hyphens. Yup, in the middle of a segment on the economy, they started talking a

发表于:2019-01-30 / 阅读(325) / 评论(0) 分类 英语语法 Grammar Girl

In January 2015, a fire in one of Russia's largest university libraries damaged more than 1 million historical documents, an incident which some media described as a cultural Chernobyl. 2015年1月,俄罗斯最大的大学图书馆之一发生了火灾

发表于:2019-02-02 / 阅读(187) / 评论(0) 分类 英语新闻

Tony: Who did you invite over for dinner Saturday? Carmela: I invited Keith, Sung, Stephanie, and Luis. Tony: You didnt! Carmela: I did. Why? Tony: Youre going to have a hard time cooking for them. Keith is a vegan and only eats food thats organic. S

发表于:2019-02-04 / 阅读(189) / 评论(0) 分类 地道美语播客

[Scene: Central Perk, everyone is there except Joey.] Monica: Alright. Phoebe? Phoebe: Okay, okay. If I were omnipotent for a day, I would want, um, world peace, no more hunger, good things for the rain-forest...And bigger boobs! Ross: Yeah, see.. yo

发表于:2019-02-04 / 阅读(233) / 评论(0) 分类 英语杂谈

Ganso could be out until 2013, says physio RIO DE JANEIRO, Sept. 28 (Xinhua) -- Brazil midfielder Paulo Henrique Ganso could be forced to wait until next year to make his debut for new club Sao Paulo. Ganso, who joined the Brazilian top division outf

发表于:2019-02-06 / 阅读(288) / 评论(0) 分类 英语新闻

10 Getting The Lead Out 第十章 把铅撵出去 In the late 1940s, a graduate student at the University of Chicago named Clair Patterson (who was, first name notwithstanding, an Iowa farm boy by origin) was using a new method of lead isotope measur

发表于:2019-02-17 / 阅读(250) / 评论(0) 分类 万物简史

First off, I'll mention that at the bottom of the sea there exist veins of zinc, iron, silver, and gold whose mining would quite certainly be feasible. 首先,我对您说,海底有锌、铁、银、金等矿藏,开发并不是不可能的事。

发表于:2019-02-25 / 阅读(338) / 评论(0) 分类 《海底两万里》中英双语有声读物
学英语单词
a drag race
aa. sigmoide?
acfa
ack-ack guns
adjutant-general
agreement and understanding
air landing strip
alternate track table written to disk
amidopyrines
aqueductus cerebri
bathyergidaes
batroun (batrun)
burmanicus
c.k.d
circulating ventilation
clipper ships
coelenteramide
constrains
consumes
crater fill
crooked-hole
cyclommatus scutellaris
damyata
day dreaming
decawebers
dendrocyathophorum herzogii
diamond-impregnated
enoplometopid
euresol,resorcin monoacetate
euro-america
extrapolation-length
factory railway
Ferula asafoetida
fight - or - flight response
fleale
force structure analysis
Fourier transform infrared spectrometer
galactopyranosyl
gargarisma chlori
gospel-style
graminomycin
homeoblastic structure
hundred-percent section
industrial analyzer
institutionally-based
JHDA
jural postulate
just world
kabakas
kdfc
kutcheri
levelling vessel
low noise transistor
marginicidal
minicircles
Mount Carbine
Muztag
nursery rhyme
ocular muscles
offnormal
on the hip
paid-out
palicourine
Palmahim
parakeratotic
parallel-wire line
parallelogram of period
pedestal truck
Pefalcine
Pelusiac
pelvis android
pinnipedias
polycyclic
polyethylene foam insulation
polymictic rocks
precipitated powder
ramus hyoideus
Ramus petrosus
rapid coagulation
read-only memory chips
realmes
redrest
region umbilicalis
reliable estimate
rope-dancer
sangak
scale of audit
school phobia
short wave adapter
skipped bail
specific gravity of urine
suborder theropodas
successive generation
superintendent of registrar
toubbe
tragedia
train-loads
vacu-therm pasteurizer
vapour-deposited case
whitted
xenomorphic crystal
year-end capacity