Chelex树脂, 螯合树脂[Bio-Rad公司离子交换树脂的商品名, 是带有亚氨基二乙酸根离子能基的苯乙烯-二乙烯苯共聚物, 其功能基可以螯合金属离子( 特别是过渡金属离子)]

[00:04.24]Mommo, here's your-- What are you doing? 奶奶 给你 你在做什么? [00:06.08]Preventing alien abduction, that's what l'm doing. 我在准备应对被外星人拐骗 [00:11.16]Thank you. 谢谢 [00:16.56]Dang crabgrass. 该死的草 [00

发表于:2018-12-07 / 阅读(116) / 评论(0) 分类 听电影学英语-别惹蚂蚁

是啊 Uh-huh. 永不变质的 It'll last forever. 我把它保存在纯净的 I preserved in a one percent solution 聚乙烯醇缩醛树脂里了 of polyvinyl acetal resin. 天哪 Oh,my God. 这是我听到但没能理解的话中 That's the most r

发表于:2019-01-01 / 阅读(59) / 评论(0) 分类 生活大爆炸第三季

This is the VOA Special English Agriculture Report. An American expert in food science technology has won a major international award. Philip E. Nelson has been named winner of the Two Thousand Seven World Food Prize. World Food Prize Foundation Pres

发表于:2019-01-11 / 阅读(78) / 评论(0) 分类 VOA慢速英语2007年(七)月

That dress looks perfect right off the rack, and that crisp button-down shirt is never going to be any brighter or whiter than the moment you buy it. So is it really necessary to go to all of the trouble of washing those brand-new garments before you

发表于:2019-01-20 / 阅读(68) / 评论(0) 分类 阅读空间

Tree climbing: Part 1 NB: This is not an accurate word-for-word transcript Dan: Hello and welcome to this weeks 6 Minute English. Im Dan Walker Smith and today Im joined by Kate. Now in todays programme and in next weeks programme were talking about

发表于:2019-02-05 / 阅读(89) / 评论(0) 分类 六分钟英语

LONDON, June 16 (Xinhua) -- Drillings and fillings at the dentist's are always dreadful and make tooth decay treatment very unpleasant. But British scientists have developed a new approach of fixing tooth decay, which could get rid of all the drillin

发表于:2019-02-18 / 阅读(57) / 评论(0) 分类 英语新闻
学英语单词
acoustic interferometry
Alan Hodgkin
allotropes
amateur forecast
anisylethylmethylamine
Asbach-Baumenheim
asolo
bearing release lever
Bobowa
breakerman
brushier
bulbus caroticus
burei
callisthenicss
capnograph
cloud track method
conviciatory
convulsed
costners
coupling of definite amount of filling
culex (lophoceraomyia) bicornutus
current state
defence research telecommunication
delf-seal packing
detail budgeting
dispopulosity
final supervision
financial intelligence
first and last
fuzzy math
guide bar oil cup
guza
hairpin bends
have no time for
hayat
hemist
hemp-seed oil
high-frequency cut-off
ignatz
inheritances
instant starting boiler
job location
kalipyrochlore
Kipshenga
ledleys
Lindsay Reef
Lissapol C.
Lopadium
machined-spoiled time
mechanisms of delivery
miniblind
modeled on
neoid
newspaperpeople
nozzle dribble
OIAB
on a row of stumps
optical remote sensing technology
original premium
over-dramatize
palmeter
Pantanevril
phytolithologists
plumbing fixtures
pocket-hole
polaritonics
primary filament
procrastinator
proglacial
program error correction report
propane
prosecution counsel
proto syntex indexing (psi)
quality rating
quantitatively measure
rosa moschatas
running pines
sagittal nuclei
Scott L.
selders torch
self actuated regulator
send off something
senkirkin
shelf lives
ship engine plant automation
sloughs
standard operating instructions
strongly continuous representation
Sundasalangidae
symmetric center
Tahoe City
take sb's breath away
Tamarīdah
the upper part
time to chopping of switching impulse
transcutol
triangular oscillation blade
Tylophora ovata
universal values
vanitizing
years-ago
youth camp