[化] 四氯化钛

New Solar Cell Minimizes Environmental Risks in Manufacturing Process 新的太阳能电池减少生产中对环境的危害 Scientists in England report the development of a new solar cell that minimizes environmental risks in the manufacturing proc

发表于:2018-12-08 / 阅读(60) / 评论(0) 分类 VOA标准英语2014年(六月)

DAVID GREENE, HOST: Families across the United States are fighting with the federal government over a deadly chemical. Dozens of people have died from inhaling methylene chloride. This is an ingredient in common paint removers. NPR's Rebecca Hersher

发表于:2019-01-17 / 阅读(59) / 评论(0) 分类 2018年NPR美国国家公共电台11月

Every winter some twenty million tons of salt are dumped on America's road.That sodium chloride melts the ice, so it prevents its formatin, helping to prevent accidents. But road salt has its downside. This is not very economical because salt is main

发表于:2019-01-20 / 阅读(107) / 评论(0) 分类 2016年Scientific American(一)月

This week on Why Tell Me Why, we are finding out why the oceans are so salty. So the oceans are salty because the oceans have been around, lets say, for over five hundred million years. And over the course of time what we found out is that weve alway

发表于:2019-01-22 / 阅读(64) / 评论(0) 分类 自然百科2009年

Tony: Who did you invite over for dinner Saturday? Carmela: I invited Keith, Sung, Stephanie, and Luis. Tony: You didnt! Carmela: I did. Why? Tony: Youre going to have a hard time cooking for them. Keith is a vegan and only eats food thats organic. S

发表于:2019-02-04 / 阅读(55) / 评论(0) 分类 地道美语播客

First off, I'll mention that at the bottom of the sea there exist veins of zinc, iron, silver, and gold whose mining would quite certainly be feasible. 首先,我对您说,海底有锌、铁、银、金等矿藏,开发并不是不可能的事。

发表于:2019-02-25 / 阅读(120) / 评论(0) 分类 《海底两万里》中英双语有声读物
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activated alumina
all the year round
anti-hazard classification
antiferroelectric ceramic
axle turning shop
be complacent about
bentonite flocculation test
bid-rent curve
bigshots
button holing machine
Caratacus
cardboard cut - out
cash from operation
cedorol
cellular respiration
coffey stills
colloidogen
control instructions
cottontops
cultural values
cyanogenation
Côtes-d'Armor, Dép.des
depublish
disk operating system support component
djalmate
Dobie's line
economization on man power
edison-lalande cell
electric blasting circuit
Emerson beater
fenella
five blade propeller
foal pony
furcarbanil
get out of sth
gouty teeth
gratus
gritstones
grounded winding
hampsters
harmonious colour
Harold W. Kroto
here they are
heterotherm
hot-water-heated superheater
hydrocolloid impression material
hydrostatic forging
ion-exchange property
juh
library reference programming
line link subcontrol station
linners
liquides
logographically
loop statement
Lower 48
maximum seismic intensity
mid-June
misgoing
motorizer damper
mud resistivity meter
Negara Brunei Darussalam
negative infinity
Newtonian kernel
non-polar organic-dielectric capacitor
norwegian red poll cattle
octonary signaling
overtemperature cut out
pattam
plexon
porrit
portio supravaginalis
print mode
quadrant tiller
quality of mark
R. B.
Reil's effect
repair man
requisites of a crime
residual stress relaxation
Rideal-Walker coefficient
Ridgelands
santalaless
schollenens
scout-rangers
second term
signal initiator
smas
soil soluble salt
stannum alloy
T lymphocyte-B lymphocyte cooperation
terrace-ledge-kink structure
truth-predicate
turmalin
Tyrr
unibrows
ustilago tritici (pers.)roster.
vapo(u)r phase cracking
VAT-registered
wheel reductor
wirehairs
zincilate