[化] 聚二硫化乙烯

情景对话: Walter: Not hydrofluoric. 氢氟酸就不会。 Jesse: Why not? 为什么不会? 知识点笔记: hydrofluoric 氢氟酸 1. 确定辅音 相对来说,辅音变化最少。 单词中 h,dr,fl,r 和 c, 都没有特殊和奇怪

发表于:2018-12-18 / 阅读(132) / 评论(0) 分类 英国学生科学读本

Why Teflon Is Slippery Teflon is the trademark name for PTFE, a type of plastic. If you own any non stick cookware, then you probably use PTFE on a daily basis. You might not realize, as you fry your morning eggs, that PTFE is one of the most slipper

发表于:2019-01-22 / 阅读(312) / 评论(0) 分类 英语时差8,16

Yael: I have a question for you, Don. Paper or plastic? Don: Not that question again, Yael. Does anyone really care whether their groceries are put in plastic or paper bags? Y: Sure they do. In fact, the city of San Francisco has taken an interest in

发表于:2019-02-23 / 阅读(129) / 评论(0) 分类 英语时差8,16

Why Teflon Is Slippery? 1954年,法国工程师马克格雷瓜尔(Marc Gregoire)的妻子柯莱特(Colette)突发奇想,觉得丈夫用来涂在钓鱼线上防止打结的不粘材料特氟龙(Teflon)如果可以用在煎锅上,效果一定不错

发表于:2019-02-24 / 阅读(173) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
absr
active partitioning architecture
Akaba
alternate angle
aluminium bromate
anodynic
antileptics
ask yourself
bacillus of lichen ruber
Balaenoptera musculus
Brown Bk.
buttles
Calore, Fiume
chrominance adjustment
chronic superior mesenteric artery syndrome
city district
cloth pinion
coefficient E
componency
cumulative stability constant
Daubechies wavelets
deceptable
denaturing gel electrophoresis
digital tuning indicator
disapplies
divertissement
dyckman
Eid-ul-Adha
external rectus muscle
fore-and-aft motion
Grayridge
gwarzoes
hair burger
hazens
helium content
husky
hydrotropic solubilizer
indicated efficiency
indium triselenide
International New Photos
japonic acid
John F.Kennedy National Historic Site
lanchner
landmarkable
liement
lifting fork
lizabeth
lubrication circuit
machine calculators
mid-earth
mileewa disclada
multiplication rate
navigation kerosene
neutral-particle source
non-production cost
Nordegg
Notobatrachus
o-biphenylamine
overpayments
overwrite mode
p.u
Paeonia jishanensis
paired buret
passive gravitational mass
pennolene whiteoil
pinnell
ponsa
power take-off-driven sowing
prediction procedure
preexaminations
preternatural vestibular anus
pseudopodial movement
pupinized
putty knife
Q-branches
recombinant protein
refilling
roofracks
rubber tube expander
salvage of casting
Sam Hill
sandrin
septuagenarians
serrulate seta
signal display
sloop rig
stable atom
support hoses
suspend and order for goods
taper honing machine
tbwa
tela reticularis
tell against
tender heart
Thomson,Sir John Arthur
trowled
truncus oesophageus dorsalis
vocational education
water-rolled
waxed cloth
Wiseton
zarking