[网络] 二硫化物

I couldn't get over this mess. The federal government is confirming what Joan Glickman of Pompano Beach, Florida suspected all along. Tainted drywall from China is giving off a harmful gas that's turning her air-conditioning wiring black, causing it

发表于:2018-12-20 / 阅读(80) / 评论(0) 分类 cnn2009年(十一)月

Mercury Fillings Seem Safer over Time A study in the journal Chemical Research in Toxicology finds that mercury on the surface of dental fillings slowly turns to an inert sulfide compound, which should keep the mercury from harming the nervous system

发表于:2019-01-02 / 阅读(143) / 评论(0) 分类 60秒科学

From VOA Learning English, this is the Health Lifestyle report. Garlic is one of the most common cooking ingredients around the world. Many dishes in Europe, Africa, Asia and the Americas use this strong-flavored vegetable. Garlic is similar to other

发表于:2019-01-12 / 阅读(120) / 评论(0) 分类 2016年VOA慢速英语(十二)月

Black Tongues and Stomach Aches Don: Oh, no, Ya?l, I think I'm having a medical emergency. Quick! Call an ambulance. Ya?l: A medical emergency, Don? Are you sure? You look fine to me! D: But I'm not. This morning, I had a terrible stomach ache. And n

发表于:2019-01-26 / 阅读(71) / 评论(0) 分类 英语听力文摘 English Digest

Sewage stinks. But bacteria can make it smell better. Oh, yeah? That's true. Certain forms of bacteria feasting on sewage give off hydrogen sulfide, a really malodorous chemical, and one of several that give sewage its pleasing smell. In general this

发表于:2019-01-26 / 阅读(72) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
additional layer
air tube cooder
alternate installation disk
anomalous film
anovhaploid
anticyclone subsidence
application valve cover gasket
aruwaltja (n. australia)
baidie
baixo
bald erne
Bankim
biabsorption
bismutospherite (bismutosphaerite)
blackorby
briercliffe
bunker tank
Byarezina
carry a bill
CCL42
ceramic condensor
Chinese foot
choke-tube
cross-referring
cybermuseum
dinner shirt
Dobrotesti
downdraught strand cooling
Dworshak Res.
ecogeographical divergence
enterograph
expansion clamp
figged soap
flipped over
fossed
Fusignano
glass fiber lubricant
grade-level
Grezzana
gym muscles
harvest flies
Hastings, Battle of
heeders
hole sorter
hot chamber plunger die casting machine
hydraulic turbine
hygrom of cavum retzii
independent establishment
individual pieces
inverted hats
jus cloacae mittendae
kemosabi
Lasianthus sikkimensis
lensmakers
Magnolia sargentiana
magnomious
mandated
matatas
merrymeetings
middle hemorrhoidal artery
MIEMSS
Morro R.(Moro)
nighttide
Nipissis R.
non-aqueous electrochemistry
Notensil
Parseval's identity
party wire
ph(a)enogenetics
photoflash tube
priming the fuel system
purpuriferous
rapted
regular eye needle
Republic of Slovenia
roll bar
san francisco bays
schieffelin
sebocystoma
second self
service clearance
shurab rud
simulating motor
sken t-log p diagram
slag analysis
smoke density meter
sol protein hydrolysate
spiess
step point
sulfurated lime solution
syphilitic myocardial gumma
test calibration
thankfully
Trizivir
trunk of spinal nerve
twin port
uk deluxe
Vaalies
visual photometry
winkler's oxygen sampling bottle
wire-type fuel element
Xinyu