羟基离子吸收;氢氧根离子吸收

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(49) / 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(46) / 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(286) / 评论(0) 分类 麻省理工学院公开课:单变量微积分

Imagine a world where sunlight can be captured to produce electricity anywhere, on any surface. The makers of thin-film flexible solar cells imagine that world too. But a big problem has been the amount of silicon needed to harvest a little sunshine.

发表于:2019-01-08 / 阅读(66) / 评论(0) 分类 Scientific American(二)月

Around the world, many people start their day with a cup of coffee, a cappuccino, or an espresso. At the same time, there are many people with various thyroid conditions who rely on synthetic thyroid hormone replacement medication like levothyroxine

发表于:2019-02-01 / 阅读(64) / 评论(0) 分类 实用英语

A abbreviation,absorption,abstract,abundance,acceleration,acceptance, accessory,accommodation, accordance,acquaintance,acquirement,acquisition,adjustment,administration, admiration,admission, adoption

发表于:2019-02-18 / 阅读(62) / 评论(0) 分类 考研英语
学英语单词
a shower of
allotment price
alpine sunflowers
analytical stereoplotter
aquaerobics
ball joint freeplay
be sufficient for
be true about
Benndale
benthopectinid
boinked
Bourdon tube type pressure gauge
cedrelaceous
cerumenolysis
chamberlens
chemistry of powder
chlorophyll body
closing-speed
collapse polje
compressed air brake
coproporphyrins
cork jackets
cowedness
Cyzicene
destroyed cattle
do the needful
dorsen
driving shaft motor
elasticity of glaze
electron microprobe X-ray analyzer
elliptical incision
endothermic(al) reaction
estimated payment on annual tax
first order approximation
fixing fillet
forelock
form feature
ginger root
Goris
Gould, Glenn
graft-versus-host disease(gvhd)
heavy non ferrous metal
horseshoe base
hydrogen relief tratment
ibbss
Idoxyridine
in-service training
internal discontinuity
interrupt word register
irreversible worm
La Danta
light waterline
linctuss
lipomelanic
loading curve
lower-middle-class
lunar reproductive cycle
manno
Microula rockii
midfebruary
mielnicki
mine smoke
net aggregated value of an estate
Newly Independent States
non-tannin
normal order of crystallization
ordinal-number
patball
peaking capacity
people in system development
poecilocoris druraei
positive misrepresentation
pouliot
profitability of the import and export enterprises
pseudosarcomatous
pubic arch angle
pulley guard
rubems
salt water intrusion
sample pages
scribbling paper
select verification
servitorships
shallow water fauna
Shili
solar corpuscular radiation
spelled-out
St Bartholomew's Day massacre
supremo
svdp
tactical maneuver
That is too thin.
the parcels room
thin-down
transitional wave
translater
Tyssedal
unenticing
useful aperture
Vikersund
Wierzchosławice
wuut