磷酸盐缓冲溶液

Beyond these technical solutions, 除了这些技术层面的措施意外, our work at the Georgetown Climate Center with communities 我们位于乔治城气候中心和社区共同工作 encourages them to look at what existing legal and policy t

发表于:2018-12-05 / 阅读(125) / 评论(0) 分类 TED演讲国际问题篇

pH - a measure of how acid or alkali a solution is. As the pH gets lower, the solution is more acid. At a pH of 7 the solution is neither acid nor alkali. pH is the inverse of the logarithm of the con

发表于:2019-01-03 / 阅读(153) / 评论(0) 分类 医务英语

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Batteries of the future need to deliver more energy, and they need to be smaller. Researchers at MIT think they have developed a technology that can, a

发表于:2019-01-08 / 阅读(172) / 评论(0) 分类 Scientific American(四)月

[00:01.25]Mmmm right. You try to find out exactly [00:03.06]what the other person wants [00:04.41]and try to tell them what you want. [00:05.80]Yes that's right. [00:07.07]When you've found out what each of you want, [00:09.22]propose solutions. [00:

发表于:2019-01-10 / 阅读(223) / 评论(0) 分类 北师大版高中英语模块8(选修)

今天我们要学的词儿是buffer。 Buffer是缓冲的意思。Buffer state意思是缓冲国,buffer zone则指缓冲地带。以色列军方为了防止巴勒斯坦激进分子的火箭袭击,打算在加沙地带的边儿上建立一个缓冲

发表于:2019-01-16 / 阅读(164) / 评论(0) 分类 英语每日一词

By Paul Sisco Washington, D.C. 15 August 2006 watch Solutions report Global warming -- you may accept or reject those who say it is a dangerous phenomenon. But if the planet is warming, and humanity is contributing to it, shouldn't someone be thinki

发表于:2019-02-02 / 阅读(170) / 评论(0) 分类 2006年VOA标准英语(八月)

The U.N. refugee agency says it finally has succeeded in entering the so-called buffer zone north of the town of Gori in Georgia. Lisa Schlein reports from UNHCR headquarters in Geneva the zone is controlled by Russian military forces and has been o

发表于:2019-02-05 / 阅读(162) / 评论(0) 分类 VOA标准英语2008年(九月)

今天我们要学的词儿是buffer。 Buffer是缓冲的意思。Buffer state意思是缓冲国,buffer zone则指缓冲地带。以色列军方为了防止巴勒斯坦激进分子的火箭袭击,打算在加沙地带的边儿上建立一个缓冲

发表于:2019-02-07 / 阅读(157) / 评论(0) 分类 英语单词荟萃

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发表于:2019-02-19 / 阅读(153) / 评论(0) 分类 加州英语分级G6
学英语单词
accounts outstanding
acrylic wall paint
actinolite schist
aerochrometer
approximatintegration
asarum virginicums
average luminous intensity
Banksian
Batu Pulai, Sungai
Bitterfontein
book smarts
braxies
calidris subminuta
capun
chachas
chancriform gumma
Chirita brachytricha
circle group
clap someone in/into prison
Colophonians
concoms
cyasma
cysticocolic fistula
data base security
dependency school
differential transmission
distributed refresh
dnipropetrovsks
domesticants
electrochemical valence
enterprises and establishments
entire function of exponential type
Eraskh
erbland
faience mosaic
floral element
foams
French teacher
gay bash
ginnas
Hoya lancilimba
hsiang chiao ku wu
incompletenesses
international standard
inulinase
inundated forest
ion-adsorption type rare earth ore
jamar
lamellar intergrowth
letter indicator
liberay buckram
lightweight refractories
limestone plant
linotyper
low tide level
methallenestrol
molybdeunm poisoning
neurocranial
New Zealand black mice
order fucaless
oxuss
Pac Ten
pact
paraselenic
phycourobilins
picodnavirus
pipe-layings
plicipenna
poisonous gas toxicology
political struggle
printing viscosity index
program sectioning
purie
rise of arch
rusticize
sample session
sea mine
semitangents
sequence chromatography
Shaka, Ras
solicitor-trustee
somnambulant
steel drift
stember
sundowners
systems building
tetragamma
the low down
thermal insulation
toss sth out
tulps
turbine type centrifugal pump
two stroke cutter
Two-factor model
understaging
uneven parallel bars
unretrograde
valve timing diagram
variable radio object
virtual call control
what the doctor ordered
wytensins