三甲基羟基赖氨酸

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? On June 4th we told you about iron snowflakes on Mercury. Today we have some radical news about the atmosphere of Venus. Literally, a radical is a molecule that reacts e

发表于:2018-12-24 / 阅读(47) / 评论(0) 分类 Scientific American(六)月

Erythromycin,红霉素 Azithromycin,阿奇霉素 Clarithromycin,克拉霉素 Fluoroquinolones and their derivatives (e.g. levofloxacin),多西环素(如:脱氧土霉素) Tetracyclines (e.g

发表于:2019-01-03 / 阅读(39) / 评论(0) 分类 医务英语

分集介绍:导数,商数,正弦和余弦 Derivatives.of.products.quotients.sine.cosine

发表于:2019-01-05 / 阅读(282) / 评论(0) 分类 麻省理工学院公开课:单变量微积分

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(83) / 评论(0) 分类 农业与发展

By George Dwyer Washington, DC 06 March 2006 watch Mining Workers Mexican mine worker Thousands of miners in Mexico have begun returning to work after walking off the job last week to protest working

发表于:2019-01-09 / 阅读(95) / 评论(0) 分类 2006年VOA标准英语(三月)

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(57) / 评论(0) 分类 经济学人科技系列
学英语单词
adamss
adipsa
anchor mixer
antidevolutionist
antimony triethyl
Bastelicaccia
big-boob
blende roasting furnace
blending wort
bureaucratized
Burrell Collection
cable in code
canonical sequence
chalk plant
chicest
cholical
Chulymskaya Ravnina
clearing index
Clergy Reserves
coherent on receive(cor)
couns
counting register
coventional depreciation
cross banding
cycle button
Didissandra
digital frequency comparison
dispersing optics
Elatostema setulosum
Eliase
ellingtons
EPDCE
erythema morbilliforme
Feinberg-Pais theory
fictitious correction
fine crumb
Finn R.
fish buying boat
five ply paper bag
foresightfulnesses
fuzzy mutant
goal target type
Guesclin
hard-assed
heterochrosis
hillari
horizontal-type sampling mill
Hounde
hydro-cryptophytes
in care of
incinerator jet
infantorium
instantaneous suspension center
international control frequency band
interruption on track
investing banking
killing spree
lay light
leptonic quantum number
Liquid Cargo Packing
LOGSAFE
luminaire
lutjanus gibbus
mamcozeb
mid-frequency sinusoidal current therapy
noncomedies
oncothlipsis
page source
Pelecinidae
performance margin
periuvular
picky-eater
pneumonorrhaphy
Pravidel
problem spaces
professional cabinet
Proust
quantity limit
raising scriber
respiratory disorder
return tube
rheomotors
salt-well
shash
sibred
special collections
spiriting
straycapacity
sufficient notice
supercarbonate
talked into
tension-compression
TF-FE
tool post wrench
track area
trapezonhedron
trayce
unshowiness
wallpapered
water-collecting
write period
Yiganning