[化] 甲基卤; 卤代甲烷

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(62) / 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(115) / 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(109) / 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(65) / 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(138) / 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(111) / 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(144) / 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(116) / 评论(0) 分类 VOA2003(下)-环境与健康

紧凑型荧光灯 Compact Fluorescent Lamp 金卤灯 metal halide/halogen lamp 溴钨灯 Bromine tungsten lamp 汞灯 mercury lamp 钠灯 Sodium lamp 卤钨灯 Halogen tungsten lamp 碘钨灯 iodine tungsten lamp 氖灯/霓虹灯 neon lamp 石英灯

发表于:2019-01-17 / 阅读(105) / 评论(0) 分类 实用英语

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(140) / 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(97) / 评论(0) 分类 VOA常速英语2013年(十月)
学英语单词
a large number
abinger
AC static converter
Ahrensburg
ailurophils
air entrained agent
amount of funds available for distribution
antidorcas euchores
atmospheric cooking
Bakunin
berlinger
bicolorimetric method
bill debtor
bilonick
blow ... out
bovine bezoar
business-cycle
challacolloite
Christmassiest
cloth tape
cochlidiospermate
codesheets
coherent waves
colicweed
column enable
crater cone
cutting dynamics
cypris larva
Dawson R.
dawycks
decreasing profits
diamagnetisms
differential dissolution
doing for
dummy argument identifier
economic aid
endemic influenza
English candle
ferghanas
film intensity measuring device
flower stalk
Forestiers
Franklinize
Gangtok
hand milking
hematuric
hillenkamp
hutmacher
hydrophobic grid membrane filter
iland
incontrollable
ink ribbon
ionic layer
jet propulsion model
junkheads
late wood
lever punch
low tension line pin-type insulator
methylbenzoylecgonine
Microphallus minus
movement spasms
multi-element beam
must-see
Nibiol
nickel dibutyl dithiocarbamate
nonexclusivity
Novomazine
nydder
octreotides
one-way mirror
orthogeneticists
Photovoltaic module
pinkening
pitched truss
pot-piece
preventive orthodontics
progressio
proportional gamma spectrometer
QGA
questioning mind
raked floor
reflected solar irradiance
retarding transmitter
Rhodotypos scandens
sampling insbection
serenenesses
serictery silk gland
service technique
silver-soldering
single-acting diesel engine
sole discretion
spinning chuck
survey analysis
sweep optical square
table driven software
tailing roll
target discrmination
Tell, Reg.du
times-union
unvouched
wood-destroying fungus
zero potential surface