[化] 聚对苯二甲酸乙二醇酯

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(103) / 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(289) / 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(104) / 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(154) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
a long drink
action plants
alkali lime index
ammole
antis
asbestos-cloth folded gasket
atmospheric dust
Atuomated Engineering Design
Bacillus aeruginosus
badfic
bandwidth limitations
belabours
blade runner
blue oil checking
Bunyaville
burmese cats
carpenter's gauge
celioscopies
Cephalotaxus mannii
cheese puff
chemical technology
Chrome Remote Desktop
chromn
closing time of pressure regulator
cum holes
days to day
DWG (drawing)
eamesiella corrugata
earth-magnetism navigation
Enkianthus chinensis
Eriobotrya malipoensis
exoenergic reaction
extraoral photographs
eyepiece
factoress
fee collection procedure
flash sterilizing plant
foam inhibitors
foundation soil
full time workers
geobotanical control
gold-painteds
government call
grinding stock
hebiatrics
Jubuliineales
Knap, Point of
latest development
Lobus inferior pulmonis sinistri
loss due to leakage
Loyalty Islands
m-to-n relationship
make the queer
mehraulis
mejiro
mithrao canal
mixedblessing
mixing width
moving magnetic feature
MPEG-DASH
Mugombazi
mushers
observational error
oil seeds
optical demux
peel off pack
philosophic
phytochemistries
pile variable
pillar harps
potatolike
radio frequency relay
radix marker
real geometry
record type currency indicator
recycling of petrodollars
reflected global (solar) radiation
rendo
sandliker
sea holm
self-liberation
septuor
Shahbanu
simple perforation plate
so it seems
statistical powers
stephen cranes
stormeth
straining
Tautogolabrus
test valve
test-rig
the Chartered Institute of Marketing
the Dayton Peace Accords,
thinkpads
track-following servo system
trellis code
untragically
valade
Waltenhausen
X-components
zinc sulfate eyedrop