[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(153) / 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(324) / 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(139) / 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(186) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
actinic light
affirmatio
amount of wages
amplitude selection
anterior to
around Robin Hood's barn
automatic retoucher
BCSH
bi-metallic strip
bullshited
burial garments
cacholong
centric ring
clamped admittance
cold surface treatment
control moment gyroscope
Cortbeck
cube capital
cuiter
current budget
Deacetyloleandrin
delay (time) record
dissolved greenhouse gas in seawater
ego-persona
ehes
elevation frequency curve
epimerised
face washing
family myliobatidaes
fancy dancer
fasification
filler character
fixation
fourth earl of chesterfields
fractional sampling
Fragaria L.
gadberry
Gehman torsional apparatus
glass-house
grandifolia
grounded system
guantnamo
Hachijuni Asia Limited
hinge connected beam method
holben
Homestead strike
homofullerene
Hong-san
Hǒch'ǒngang
I-head engine
ikhnaton
Ishikari
jardy
knifetooth sawfish
knussen
kogyo
lytt
manipulation of stock exchange
Metha-Colimycin
mill engraving machine
Mimosaceae
multifield word
mutual coherence function
nevo
Ohara's fever
oreochromis
overburden ratio of mine
photographic layer
pimarinal
Piston.
plant injection method
platycephalids
plenny
plicina
pneumatic caisson quay wall
potbrownies
pro-choice faction
pumped gas
receiver's and trustee's securities
reconnaissance sampling
relief groove
revolutionise
rolltite hatchcover
Rousseau
sajida
saltating
sarcoma of ear
secure campus space
sopper
steady state deviation
steer through
sub-shells
sun yixians
São Miguel, R.
Tadenan
target indicator
tribal identity
true grip
unequal observation value
unexpeditious
warp in wood
ZPT