四环素

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(186) / 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(157) / 评论(0) 分类 医务英语

Jacqueline Novogratz讲述了她在内罗毕的贫民区遇到简的一次感人经历。简曾是一名妓女。她的梦想就是逃脱贫穷、成为医生、结婚生子。而这一切竟以一种意想不到的方式得以实现。

发表于:2019-01-05 / 阅读(145) / 评论(0) 分类 TED公开课:贫穷至进步

This is Scientific Americans 60-Second Science, Im Steve Mirsky. Got a minute? The 2010 Nobel Prize in Physics goes to the University of Manchesters Andre Geim and Konstantin Novoselov for their investigations of the two-dimensional material graphene

发表于:2019-01-08 / 阅读(183) / 评论(0) 分类 Scientific American(十)月

I used to be so young But now I'm oh so beaten down My friends are nowhere to be found I find myself alone I could have been someone But now my name is a just a ghost My reputation is a joke My eyes won't cry So could you pass me the needle? I got a

发表于:2019-01-11 / 阅读(156) / 评论(0) 分类 金属

President Obama says his administration will be much more aggressive in responding to Ebola cases in this country. In light of the second case, I thought it was very important for me to bring together our team including our CDC director Tom Free to h

发表于:2019-01-16 / 阅读(186) / 评论(0) 分类 2014年NPR美国国家公共电台10月

STOCKHOLM, Feb. 10 (Xinhua) -- Sweden's Karolinska Institute and Denmark's Novo Nordisk launched a joint research project focusing on diabetes and metabolism on Tuesday. A total of 12 post-doctoral scientists will be funded for a three-year period, w

发表于:2019-02-08 / 阅读(168) / 评论(0) 分类 英语新闻

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(192) / 评论(0) 分类 万物简史
学英语单词
adaptive alternatives
adnatum
afibrinogenaemia
airlines of communication
antidiquark
askanted
bananaquits
base drag correction
beta-Mooreite
biologically active floc
black-house
bladder probe
bollockings
calandria vacuum pan
cartilage interatrialis
chemical balances
child-guidance clinic
Chinese character ink jet printer
clebsch gordan coefficient
cross resistant
density fluctuation
descriptive labeling
distance of most distinct vision
double return valve
drinking tolerance
egg-whitest
emotionalist
exorheic
fadillah
fish glues
gallucci
Gastruferm
genus eoraptors
Gjuhës, Kepi i
gomushtas
grain stress gradient
Gucci Gulch
hudha
humid subtropic
induced magnetic moment
inochondritis
integrated brightness
invalid argument
Khowrān, Tor'eh-ye
Knapp's operation
Kurai-yama
log-periodic antenna
mechanical stop motion
medicament
mercantile accounting
metal angle bead
Moabite Stone
newsouth
nonbiodegradable substance
nonconifer
nuclei vestibulares
on one's the way
orchilla weeds
out of the red
palangs
Passagem Franca
Polaris monitor
polyserositis
polytraumas
power factor regulating relay
prefenamate
primary-frequency standard
prionailurus bengalensis
public service facility
radiating pipe
recits
richer
Roegneria geminata
roll attitude acquisition
saucealone
scillanolide
scorings
self-recording current-meter
session high
Shaksperian
shortgowns
sinusoidal stationary response
splitting style
sporocarp
staining stand
steins
strangless
Sweeley
tetrachlorodibenzodioxin
TIES (transmission and information exchange system)
turns of phrase
type o control system
unwrought product
upper cheek tooth
vacuum tube relay
vaginal biopsy
Veronica rotunda
vertical spindle motor
very time
voltage-regulated
wedge shell
Yingkou