[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(62) / 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(248) / 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(72) / 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(116) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
acquisition value
adding macine
against ... will
altermondialisme
antidissidents
avatarhood
basic charge as per installed capacity
Berne Union
beryllium bronze
beta-amyloid
bloody minded
bubble potometer
capillary-action
chukucythere wuchun
Cladochytriaceae
cognitive-experiential self-theory
colletotrichum ampelopsidis
commissura posrerior grisea
construction engine
covered grate area
crossover error rate
cutaneous pigmentation
d.c. arc welding
date of approval
debt service fund
Dexameth
disabled-led
dog-roses
dropping angle assemble
electrogoniometry
environment monitoring lidar systems
epoxyethane
eurobag
film file
Flubenisolonvalerate
focal adhesion
frame saw blade
fresh air handling unit
full of vim and vigour
genus mniums
gollnick
good endings
Goubon
half-bars
hoop net trap
human resource (hr)
Hyades Group
in the catbird seat
in the days gone by
inarguable
inboxed
iron podzol
kalansuwas
lanolin alcohol
lime chlorosis
loafs
marine screw
material status report
maximum grinding diameter of hole
Molina, Luis de
monoclonal antibody
moonery
moving-area sampling
multinational cooperations
negative die
neurologicaldisorder
nucleonucleus
optimal cartel
oxyhydroxytrichloride
performance prediction factor
photoline
pining for
plasterly
pneumatist
pseudostrabismus
renegados
retinitis nephritica
rock mole
room finish schedule
sashlock
second-person
serrated form
sibling segment types
simple hanging truss
smoke evacuation system
syngenesiotransplantation
Tetris
there, there!
thirsted for
Thénezay
tuberositas ossis cuboidei
two-second rule
underhand attack
unkerned
unrestrict
upload
vaporizing combustion chamber
ventral frontalis musculi occipitofrontalis
vidders
wenne
Zamboanga Pen.