[有机化学] 2-羟甲基呋喃

AS IT IS 2016-10-01 Report: Smoking May Permanently Damage Genetic Material 报告称吸烟或永久性损伤你的遗传物质 Here is another reason to not light up a cigarette. Smoking can permanently damage your genetic material, according to a n

发表于:2018-12-16 / 阅读(90) / 评论(0) 分类 2016年VOA慢速英语(十)月

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Saliva contains many useful components: lubricants, enzymes for breaking down food and now compounds that can reveal a persons age. Thats according to a

发表于:2018-12-24 / 阅读(137) / 评论(0) 分类 Scientific American(六)月

Ever get a sour stomach after your morning coffee? Well, you might end up switching to a dark roastbecause that coffee concoction may leave you with a happier tummy. That's according to the research presented at the American Chemical Society meeting

发表于:2018-12-24 / 阅读(137) / 评论(0) 分类 Scientific American(三)月

You may have heard that humans and chimpanzees have something like 96 percent of our DNA in common. So why, then, are diseases like cancer so common in humans but so rare in chimps? If our DNA is nearly identical, shouldnt we be at risk for many of t

发表于:2018-12-28 / 阅读(95) / 评论(0) 分类 初学者听力文摘精选

Stomach Cells Happier with Dark Roast Coffee Ever get a sour stomach after your morning coffee? Well, you might end up switching to a dark roastbecause that coffee concoction may leave you with a happier tummy. That's according to research presented

发表于:2019-01-02 / 阅读(162) / 评论(0) 分类 60秒科学

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(123) / 评论(0) 分类 医务英语

M Madasiatic acid 崩大碗酸 Magnoflorine 木兰花碱 Magnolia cortex P.E 厚朴提取物 Magnolol 厚朴酚 Maitake mushroom P.E 灰树花提取物(舞茸提取物) Malonyl Oleanolic acid Hemi

发表于:2019-01-03 / 阅读(141) / 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(177) / 评论(0) 分类 农业与发展

By Peter Fedynsky Washington, DC 21 November 2006 watch Counterterrorism v Darfur President Bush's Special Envoy for Sudan has denied an allegation that the counterterrorism cooperation between Khartoum and Washington is impeding U.S. efforts to sto

发表于:2019-01-07 / 阅读(190) / 评论(0) 分类 2006年VOA标准英语(十一月)

Lesson 21 Fur and Paws 第21课 毛和爪子 1. What is it? 1. 它是什么? A cat has fur, paws and a tail. 猫有毛,爪子和尾巴。 fur 毛 paws 爪子 tail 尾巴 2. Let's sing a song. 2. 来唱一首歌。 I saw a dog in a purple hat, On

发表于:2019-01-09 / 阅读(179) / 评论(0) 分类 冀教版小学英语(三起)--第三册

By Caty Weaver Broadcast: September 12, 2003 This is Bob Doughty with the VOA Special English Environment Report. Scientists in the United States have reported some good news about the 1)ozone in the

发表于:2019-01-11 / 阅读(143) / 评论(0) 分类 VOA2003(下)-环境与健康

By Anita Elash Paris 25 June 2007 A conference in Paris aimed at finding a solution to the crisis in Darfur has ended with an agreement to coordinate future measures in the troubled region. But as Anita Elash reports for VOA from Paris, most of the k

发表于:2019-01-13 / 阅读(155) / 评论(0) 分类 2007年VOA标准英语(六月)

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(156) / 评论(0) 分类 VOA标准英语2012年(三月)

Science and Technology Epigenetics and stress Baby blues 科技 外因遗传与压力 新生儿蓝调曲 A mother's stress while she is pregnant can have a long-lasting effect on her children's genes 母亲孕期压力过大会对孩子的基因造成长

发表于:2019-01-26 / 阅读(165) / 评论(0) 分类 经济学人科技系列

By Noel King El Fasher, Sudan 05 June 2006 Sudanese children collect water from a well in the village of Brikatouly in South Darfur, Sudan The international community is pressing the parties in Sudan'

发表于:2019-01-31 / 阅读(162) / 评论(0) 分类 2006年VOA标准英语(六月)

Body Clock Provides Clues to Aging 生物钟提供衰老的线索 If youre searching for the fountain of youth, you might find it in your DNA. Thats according to a new study that sheds light on the biological clock ticking in our genomes, why our bod

发表于:2019-01-31 / 阅读(140) / 评论(0) 分类 VOA常速英语2013年(十月)

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(116) / 评论(0) 分类 英语新闻

By Peter Fedynsky Moscow 04 March 2008 The government of Ukraine will meet Wednesday to consider options in the face further reductions in natural gas deliveries from Russia. VOA Moscow Correspondent Peter Fedynsky reports that Russia's state-run ene

发表于:2019-02-05 / 阅读(155) / 评论(0) 分类 VOA标准英语2008年(三月)

The U.S. State Department, responding to Wednesday's International Criminal Court arrest warrant for Sudanese President Omar el-Bashir, said those who have committed atrocities in Sudan should be held accountable for their crimes. The United States

发表于:2019-02-05 / 阅读(123) / 评论(0) 分类 VOA标准英语2009年(三月)

以引人注目的大规模工程(比如纽约海港的瀑布)而知名的艺术家Olafur Eliasson,用空间,距离,颜色和光亮创造了艺术。这个富有想像力的讲座一开始就做一个关于知觉的试验。

发表于:2019-02-05 / 阅读(118) / 评论(0) 分类 TED公开课:艺术与幻觉
学英语单词
airfoil vane
American Depositary Share
amitriptyline hydrochlorides
AMSSB
antedation
apothecaries' bill
Araguacu
atmospheric pool
Bacillus I.II
Bayes classifier
blow me a kiss
Boerhavia
byambasuren
carbonate formations
caryospherical
chronic recurrent viral infection
chrysanthemum coccineums
chrysographes
closing the account
coiffing
color pencils
commendataries
contaminator
cross-spectral method
cutaneous deciduosis
density-modulated beam
dermatitis coccidioides
diborated
drilling load
e-networks
Edridge-Green lantern tests
effective wind speed
elastic drainage-tube
Estación Yuquyry
exoatmosphere
extra assignment
extrafusal muscle fibre
family background
feedreaders
finedrawn
fixed-point computer
get any
Giarmata
gruesomeness
guided propagation
hemihypertrophies
heterodermia isidiophora
hierophantically
horny growth in nail-bed
house officers
Hydrangea mangshanensis
ice shelves
identifying restriction
intersite
ketamia handokoi
kicking it
lead guitars
lemma on median
Lotharmeyerite
make a world of difference
makonnen
mislays
motion of transport
nelfinavir
out of line with the market
out seal
outer ring
papaverous
Penest
physiological atrophy
piler bed
pouting
Presidents of the United States
Primula incisa
rare earth cobalt permanent magnet
rate of perspiration
rattay
regional planning in metropolitan areas
riflepit
right through
School C.
sedimentary compaction
semiprotected
seydina
snow-blindnesses
solapumbine
speed chess
steerish
straightblade
stratigraphic profile
strontium pyrovanadate
sub-dimension
the nigger in the fence
thrombocytopoenia
time homogeneous
transmutates
tuberculous lymphangitis
usedness
varsity letters
Volvariella
Wesson
windshield central post