过氧化甲乙酮;过氧化丁酮

AS IT IS 2014-05-25 Scientists Search for New Ways to Stop Mosquitoes 科学家们寻找新的方法来对付蚊子 The sound of a mosquito can mean trouble in many parts of the world. The bite of a mosquito can be deadly. Today, we will hear about s

发表于:2018-12-08 / 阅读(140) / 评论(0) 分类 2014年VOA慢速英语(五)月

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(63) / 评论(0) 分类 2016年VOA慢速英语(十)月

美科学家研发新一代驱蚊剂 In many regions of the world, mosquitoes are a seasonal pest. In other regions, they carry serious diseases like malaria. The World Health Organization estimates that almost 630,000 people died of malaria-related

发表于:2018-12-19 / 阅读(94) / 评论(0) 分类 VOA双语新闻 2014年1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

This is Scientific Americans 60 Second Science, I am Cynthia Graber, this will just take a minute. Compounds found in the herb thyme have antibiotic properties. Now scientists have demonstrated that thyme might have a future role in fighting acne. A

发表于:2018-12-24 / 阅读(134) / 评论(0) 分类 Scientific American(三)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(110) / 评论(0) 分类 Scientific American(三)月

Daylight Turns Thin Plastic Barrier into Germ-Killing Material Daylight-powered germ-killing equipment may someday help protect health workers from deadly microorganisms like Ebola virus disease. That is a finding from a study published in the journa

发表于:2019-01-03 / 阅读(69) / 评论(0) 分类 2018年VOA慢速英语(四)月

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(112) / 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(145) / 评论(0) 分类 农业与发展

1. US intelligence officials say the 24 suspects arrested in an airplane terror plot were targeting ten flights from Britain to a number of US airports. They apparently planned to ignite a peroxide -b

发表于:2019-01-08 / 阅读(128) / 评论(0) 分类 美联社新闻一分钟2006

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

One Police stops on police vehicle outside one Victoria's Bar. After the preparation, as necessary arrests?, this liquor drive slightly mixes. Suddenly he sees to have a young people shakely goes out from bar, spend the many figures only then finds

发表于:2019-01-17 / 阅读(70) / 评论(0) 分类 白领英语晨读

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

67 维生素C能否破坏DNA? DATE=7-11-01 TITLE=SCIENCE REPORT - Vitamin C and DNA BYLINE=Nancy Steinbach (Start at 59

发表于:2019-01-30 / 阅读(126) / 评论(0) 分类 科技之光

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(98) / 评论(0) 分类 VOA常速英语2013年(十月)

benzoyl 苯甲酰 peroxide 过氧化物 inflammation 发炎 hyaluronic acid injections fillers 注射玻尿酸填充 facial cleanser 洗面奶 firming facial toner 紧致爽肤水 sunscreen/sunblock 防晒霜 facial mask 面膜 body lotion 润体乳

发表于:2019-02-16 / 阅读(78) / 评论(0) 分类 早安英文

On its website, a history of the company makes no mention of leador indeed of Thomas Midgleybut simply refers to the original product as containing a certain combination of chemicals. 在它的网站上,公司的历史没有提及铅──也没有提

发表于:2019-02-17 / 阅读(95) / 评论(0) 分类 万物简史

By counting back through these layers and measuring the amount of lead in each, he could work out global lead concentrations at any time for hundreds, or even thousands, of years. The notion became the foundation of ice core studies, on which much mo

发表于:2019-02-17 / 阅读(112) / 评论(0) 分类 万物简史

Lead is a neurotoxin. Get too much of it and you can irreparably damage the brain and central nervous system. Among the many symptoms associated with overexposure are blindness, insomnia, kidney failure, hearing loss, cancer, palsies, and convulsions

发表于:2019-02-17 / 阅读(104) / 评论(0) 分类 万物简史

If you were going to a restaurant and wanted a healthier option, 如果你去饭店,你想吃得健康一点, which would you choose, grilled or fried chicken? 你会选择哪种食品呢,烤鸡还是炸鸡? Now most people would answer grill

发表于:2019-02-21 / 阅读(126) / 评论(0) 分类 TED演讲教育篇
学英语单词
accidental operating conditions
additive for lubricating oil
agricultural performance
Andre, John
anthapurpurin
Antō-saki
aspect name
barium islands
be penetrate with
Berufsverbot
bird's-eye rot
bogie beam headstock
bushtit
candidemias
centering the data
Chain on the beam!
channel available interrupt
chut
combining Power
cross stream velocity component
deae-dextrans
Devils Postpile National Monument
distributivism
Donn Cuailnge
facies breaking trace
fadenreaction
far field intensity distribution of injection laser
fazoli
federal issuance tax
flat lamp shade
flew open
gasp at
gees-gees
get one's wish
goal-directed behavior
guamanians
homesite
hospital management
Hysterolecitha
Hǒch'ǒngang
inequivalence
intermediate revision
intracardiac electrocardiogram
invasive pressure monitoring
janizary music
jointed rush
larch gum
lectuse
mail sampling
megayacht
Meloxine
Mendele Moykher Sforim
mensing
methylene diethyl ether
naturally self-pollinated plant
non-identical twins
nonsimulated
oil burning donkey boiler
optimatic
orthorhombic symmetry
outra
paramariboes
photobiological
physisorptions
physostome
Picea breweriana
post-nationalists
pseudocepal thickening
radial multiple
rate of well-flushing
reading off
record control word
reduction voltage
regional disparity
repayers
rocket down
round-trippers loan
SCHF approximation
Sebakwe
semiamplitude
sigillary
sound-proof wall
standing vortex
Stigen
stuff you
Sufiism
superdense
swen
tenthredo esakii
test source
tetrathionic acid
tiplady
to be real
transistor grade reagent
trap maker
trichloropyridine
Trigonostemon
ultrasonic-mechanic multiplicate polisher
vase-form
voluntary prosecution
wafer base
water tube single furnace boiler