去甲基核黄素

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(49) / 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(96) / 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(97) / 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(51) / 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(126) / 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(90) / 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(131) / 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(99) / 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(127) / 评论(0) 分类 经济学人科技系列

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(78) / 评论(0) 分类 VOA常速英语2013年(十月)
学英语单词
a cow in calf
acquired circumscribed hypertrichosis
ad referendum contract
adult-level
appropriativeness
back up!
bagism
balance of probabilities
bend(ing) fatigue
beta-cyfluthrin
black elderberry
borioun
buy on the instalment plan
Calidris melanotos
carpetbagger
catal
CCASS Phone System
ceratopogon (isohelea) flaviventris
clear plastic
common moonwort
concealable
cotacachis
cumulative failure
diadematus
distributing pilot valve
dome head
downswings
Drolshagen
ECLSS
ecological species group
emetology
enamel blue
energy abundance
fishing jar
foreign section
fun-fair
glelding
Glenview
gong show
great sapphirewing
gunner's compartment light
heteromeral cells
immersion pH
in-mould inoculation
index dial
Indigofera squalida
information error
invalid cell
isobutyraldehyde semicarbazone
kindling phenomenon
krebber
lambing rate
levee footing
markio
midnerves
monocyclic crinoid
Montfleur
most especially
multiport arbitrator
municipalises
natural air circulation
nebbiest
North Kanara
nuclear dimension
off-board charger
P-Tert-Butyltoluene
pitch game
Pitkälä
portable hydraulic centre-shaft rolling machine
postmedia
pots-and-pans
pre-elastic fiber
psilanthropism
reflector frequency cutoff
relief of tax
remainder of beam
rosocyanine
save ... for a rainy day
self-adapting control
sewage treatment screens
singleton set
space policy
Spander
speculate on a fall
stone drier
storage space management facilities
Talim I.
the great sphinx
toeclips
tooth thickness micrometer
tooth-drawers
trolley tracks
two-cylinder compound locomotive
umbilicoplasties
Uuh
violoncello
vocational license
wagener
white peoples
xlt (greeting telegram)
Ziziphus incurva
zygomaticofacial