[机] 三硫化二硼

boron sulfide的用法和样例:

例句

  1. However,in order to enhance boron trioxide activity,boron ore must be calcined when alkali method is applied to process it.而碱法加工硼矿石时,必须对硼矿石进行焙烧,以提高三氧化二硼的活性。
  2. The condition and method for determing zinc oxide and boron trioxide in zinc borate by direct complexing titration is introduced.介绍了采用直接络合滴定法测定硼酸锌中氧化锌和三氧化二硼的条件和方法。

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(131) / 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(196) / 评论(0) 分类 60秒科学

New Report Shares Secrets of Rare Blue Diamonds History The Hope Diamond is one of the worlds most famous jewels. It was in the possession of a series of people: kings, bankers, rich women and thieves, before its arrival 60 years ago at the Smithsoni

发表于:2019-01-03 / 阅读(191) / 评论(0) 分类 2018年VOA慢速英语(八)月

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(188) / 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(122) / 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(131) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
adminiculum linear albae
aerobacteria
alloted space
Ambev
anaphylactic death
Apache OpenOffice
baby-boomers
basic designation
bias register
biaspectual
bicirrhosums
bistables
black salve
brush retouching
butter on
chain bridging
China tree
chock brace
cogging effect
comprehensive estimate
conservative confidence interval
coordination method
cyclical trade
daguerreotypers
dasypsyllus gallinulae gallinulae
Dihydropsychotrine
direct broadcast television
disturbed
docking bracket
drymeal
duty record book
eay
ecdysiophilia
first rank
fisher transformation
fissidentalium profundorum
flat inclined mirror
fones'toothbrushing technique
Fresnel rhomb
futuna islands
grape-seed
hexamethylenetetramine camphorate
high-voltage silicon stack
highly time parallel algorithm
hissings
hot-wire meter
hydrostatical test
imprisonment with a suspension of sentence
in pride of grease
intraconnection element
inverted tooth chain
isoconcentration
juryrooms
latent defect
limit frequency method
low-grade metal
mean impulse indicator
medial s
mediterranean-type
Message, procedure.
metal to-metal
metallographic microscope
metatela
middle umgilical ligament
milk truck
minimum alveolar concentration
national accounts framework
nonselfquenching
phellinus punctatus
picfeltarraenin
plastic component
pressure-charged
publicly - traded company
pull up stumps
pulsings
Punjab, State of
quality protection
radiation pyrometers
rebaudioside
Redmesa
resorcinum
seiko
Seongju
servo type mechanism
sismograph
society purchasing power
source-and-sink method
spray degreaser
string model
suproclone
system key
t-shorts
telescopic feed screw
three-axis attitude director indicator
total rickets
unit capital cost
vastum
voya
wall saddle
water white kerosine
weisstein
yrun