n. 正硅酸乙酯
[网络] 四乙氧基硅烷;四乙基矽;四乙烷基正硅酸盐

This is Scientific American Sixty Seconds Science, I'm Sophie Bushwick, got a minute? When Mexican tetra fish moved into darker caves long ago, they evolved to deal with the dark by becoming albino and going blind. A new research shows that the chang

发表于:2018-12-24 / 阅读(70) / 评论(0) 分类 Scientific American(一)月

T Tanshinone IIA 丹参酮IIA Tanshinone I 丹参酮I Tanshinone IIB 丹参酮IIB Taraxasterol 蒲公英甾醇 Taraxerol 蒲公英赛醇 Tauro ursodesoxy cholic acid 牛磺熊去氧胆酸 Taxifolin 花旗

发表于:2019-01-03 / 阅读(58) / 评论(0) 分类 医务英语

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(59) / 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(52) / 评论(0) 分类 万物简史

10 Getting The Lead Out 第十章 把铅撵出去 In the late 1940s, a graduate student at the University of Chicago named Clair Patterson (who was, first name notwithstanding, an Iowa farm boy by origin) was using a new method of lead isotope measur

发表于:2019-02-17 / 阅读(68) / 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(64) / 评论(0) 分类 TED演讲教育篇
学英语单词
a forest of masts
afocal system
air filter cover
ancient architecture
antisymmetrical load
asphodelaceaes
avian pneumoencephalitis
baby shoes
bastille house
bent spatula
braking force coefficient
brute force technique
cable gram
cave of the heart
coexecutors
compactifying
Conference General des Poids et Measures
consequentiality
cravening
dead rise, dead-rise, deadrise
debris protection
decentralists
degenerate conduction band
desktop videos
diphenyl thiocarbazone
Directory Services Markup Language
disobliger
domain, time
Dowlaiswaram
drawhead,draw head
eligio
entalinopsis intercostata
explicit relaxation
fairy dust
galvanotherapeutics
gaskin
heydar
i love
Igbodja
inhate
jaw gill-arch
jetting transfer
karmal
KDS (keyboard display system)
Koltogorsk
lamp- spacing
Laurencekirk
leewardline
light machine guns
Litomerice
malignant neoplastic diseases
member organisation
molin
Motorama
multiple flame torch
nautical science
navigation bars
Nematospora
nervi tympanicus
non-normal equation
obesifying
oikiomania
onlending
orthoradial
oughtn't've
permanent-magnet field generator
Peucedanum yunnanense
primary trigeminal neuralgia
redleaf
report analysis form
secondary machine and electrical products
seleni-
self selection
self-aggrandizings
separability test
shake flat ladder step
short word
single chamber tank
sonagara strigipennis
steam-shovel
Stepharine
synchronous binary counter
Synpitan
take keep the pledge
transparent LAN service
trial production factory
u.s. department of defense
ultimate facts
unpleasant person
unpoisonable
varinge
vernier labyrinth gland
vertebral vein
vieillard
waveney r.
weaker brethren
Weakley County
weitzer
yacht races
yazbeck
year acquired
zero altitude flying