[化] 四氯化铱

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
学英语单词
accelerating potenial
accessory plexus
achiral molecule
actuation shaft
affec
Albernoa
alphabetizers
animal intelligence
antiradar device
ascvd
basis risk
CANDU reactor
case carbon
cleppe
conductor-rail ramp
crassispira rufovaricosa
crawlin'
cryptate
dehydrated alfalfa
demosaicing
detruck
difference of a function
differential reactivity
digitately
direct recourse
dpf host receiver
dual-effect mutant
dunhamite
erase mode
exponent of stable distribution
fiz
foetens
formal resin
fury
gamine
goffees
great yellow gentian
growing the grain
high reluctance interpole
highmoors
holographic mask technology
home zones
horned pondweed
indoor post insulator
induced polarization logger
jig grinder
Limbach-Oberfrohna
local carrier
longar palms
macclintock
magnetic annealing effect
Mike and Ike
molecular traumatology
Movas
MRDOS (mapped real-time disk operating system)
naquetia triquetra
nervous lesion
nitrate bacteria
Nouméa, Rég.de
nucleic
nucula convexa
off the list
on edge
oronasal membranes
paratransgenic
Perche, Col de la
perennial peas
petrified tree
point neutral
pomset
postvulcanization
Prichard
primitive posterior naris
Qum(Qom)
rest and recreation
reticular dysgenesis
Répce
Sabbatarianisms
Sannai
santa maria trees
semen brassicae campestris
semi-bankruptcy
shawling
sheet metal smoothing roll
Sinetic
steak-and-seafood
subdorsal plates
Symplocos henryi
the stars and stripes
two address
two-stepped annealing
unanatomizable
under the yoke
unsinfully
varrant
vinegars
wide crosses
wilamena
wright-patterson
wuzzup
Xuan Binh
yentl