溴化甲汞

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(107) / 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(159) / 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(157) / 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(126) / 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(179) / 评论(0) 分类 60秒科学

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(162) / 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(194) / 评论(0) 分类 农业与发展

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(159) / 评论(0) 分类 VOA2003(下)-环境与健康

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(186) / 评论(0) 分类 经济学人科技系列

AGRICULTURE REPORT - Cover Crops By Mario Ritter Broadcast: Tuesday, March 23, 2004 This is Steve Ember with the VOA Special English Agriculture Report. The idea to grow a crop that improves the land

发表于:2019-01-30 / 阅读(164) / 评论(0) 分类 农业与发展

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(175) / 评论(0) 分类 VOA常速英语2013年(十月)
学英语单词
actual block address
ammonia process of desulfurization
anabaptist
anti-spam cocktail
apogon nigrpinnis
astutely
backflipped
balmony
bear arms against for
bihari cow dance (n. india)
briarberries
cell animation
chachapoyas
chamois
cheepers
chip marks on integrally forged vessel
clavate cilium
clearing form
Clostridium hemolyticum
Commission on General Average Disbursements
common gate connection
corrugated teeth
culture dialysis
cystoscopied
daelemans
defensive
dependent logical unit
disuser
doroid
dottrels
dounreay fast reactor
elaeomycin
energy recovery system
english screw pitch gage
ethyl-dibromo-arsine
ever-sporting (bateson 1906)
example of
floating bottom
freshen
fuzzy cardinality
gel permeation chromatography (gpc)
goofballs
gutmann scale
Hall's sign
hsiang chuang wu
IMO class
infinite slab
integrative bargaining
interpolation-field
Iyo-nada
jasperizing
jointed build
King Cove
lamination steel
living model
logarithmetically
lymphoglandulae tracheales
microprogram description
morehand
navigation route
nazies
network services
nonaperaturate
odontologically
outlet parameters
parasternal hiatus hernia
pasoc
perhyaline rock (c.i.p.w)
photoblepharons
pilgrimizing
platinic compound
plumpjack
printer control box
puckhandler
purine deaminase
roches moutonnee
rubus alceaefolius poir
seismic effects
self-affliction
semilocal
Siegesbeckia
sintaxanthin
sphygmosystole
square dome
St. Francis' fire
stenopus
stomatal crypt
stupid-head
syncytial layer
tephrosis
therp
thiazaphosphole
toluene pentachloride
tonic treatment
Trochiliscus
tuckerton
turning-vane steering gear
untaken
usable diamond
vulcanizing machine
waveless sea