聚乙烯共聚物

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(36) / 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(217) / 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(39) / 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(91) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
aboutness
accumulative sampling
Anthrasol Yellow V
aristostylous
authorization information
avise
barium nitrate
barn spiders
be out of earshot
beard
bedboards
black-ball
boneset
Cap Bon
capulid
cascaded delay system
change room
check gauge
civil trial court
coarse grits
Colpoda
connecting rod end
Corydalis kokiana
crespigny
cutting-tables
Czestkow
Defense Technical Information Center
depth of soil
dicarboxyl
differential frequency circuit
do right by sb
dome of the fourth order
draft pressure
extenuatory denfense
finer relation
flow programmer panel
flux ratio
foehn cyclone
for signature
fuu
gilberte
gladstone-dale constant
grain delivered to the state
hippurazide
human nutriology
human perception
inedible tallow
instrumentation control rack
Isidorean
joto
life of the mind
lymphadenectasis
Mallotus paniculatus
marivade
mercurial diuretic
metcraft
milky quartz
multiple instruction single data
multitube pressure gauge
musical expression
nacions
NAVSPECWARGRU
northeast
odontoid bone
office call
office of economic research
Olav II
oncoretrovirus
outer post
over-recruit
parameter checkout engineer
personnel office
pilot takeover ability
pinguicula vulgaris l.var.maeroceras herder
pongids
position command signal
prutah
Psoroptes cuniculi
racking cock
receiptable
repromit
revised parsing algorithm
ribavirina
ribosidoadenine
Samch'ǒn-gun
self-realisation
Shwebon
single convention
slittube
snake hips
spahi
state under protectorate
summary of materials consumer
transverse muscle of abdomen
utility trailers
velocity rod
Villa d'Este
Wallis theorem
white x ray
Whitmore's disease
Witteveen Facility
zamia pumilas