氯化钯(I) {一氯化钯}

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(181) / 评论(0) 分类 VOA标准英语2014年(六月)

This is Scientific Americans 60-Second Science, Im Steve Mirsky. Got a minute? The 2010 Nobel Prize in Chemistry goes to the University of Delawares Richard Heck, Purdues Ei-ichi Negishi and Hokkaido Universitys Akira Suzuki for their work in develop

发表于:2019-01-08 / 阅读(192) / 评论(0) 分类 Scientific American(十)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(181) / 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(235) / 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(176) / 评论(0) 分类 自然百科2009年

Palladium雅典娜的神像PalladiumWhen Ilus had first built his new seat,the city of Troy, he prayed Zeus to show some sign of blessing for it. His prayer was heard,and a wooden image of Pallas- A-thena fell from heaven to within the walls of the c

发表于:2019-02-02 / 阅读(177) / 评论(0) 分类 英语美文

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(163) / 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(284) / 评论(0) 分类 《海底两万里》中英双语有声读物

1. odyssey /ˈɔdɪsi:/ -- any long series of wanderings or travels Odyssey是有关奥德修斯在特洛伊战争后十年流浪返乡的史诗。《奥德赛》是古希腊最重要的两部史诗之一(另一部是《伊利亚特》),相传为

发表于:2019-02-27 / 阅读(277) / 评论(0) 分类 突破英文词汇
学英语单词
absorption cost basis
abysms
alabado
Andromeda glaucophylla
angiectatic
Anjuman
anti-intermediary body
Archbp.
batch facility
beef bouillon
bent arm lateral
bovinic acid
butter face
catchas
central automorphism
cleaning-drain gas distribution board
commutation reactor
compatible elements
constitutionalist
conway's microdiffusion mehtod
coolwater
crop end pusher
cubic coholomogy
decatyl alcohol
defective sperm
Distribution Media Format
dividend limitation
DNL
donatisms
endoblastic tumor
ephemerellids
ethyl phenoxybutyrate
fascia cutter
fasteth
first loading
fixed-cycle operation
flacket
freeze-thaw stabilizer
furnace bar
genus Aporocactus
genus conradinas
globosest
grommet-strap
horse-pistol
intensity of cooling
inverse wavelet
ionic bonds
keglers
latisellati
lip surface
LocalTalk
lowndrer
macitentan
make a compliment
mastaba, mastabah
meateater
mequinol
money not at call
monoaxal
naur
New Moorefield
ochodaeus asahinai
orientavine
Pahia Pt.
particulate material
per-year
pfla
pre-flysch facies
radial positioning grid
reciprocating saws
resonance area
rhynchosaurian
rural Colombian community
saloptia powelli
satisfies
selachian stage
Shrapnell's membrane
slip of a belt
socioemotional leader
Spriggs Payne Airfield
start from where you are
stress surface
subject knowledge
subpubic angle
sulfur blackening
Sun Garden
systol-
table-mats
tatranitrol nitro-erythrol
tela chorioidea partis lateralis ventriculi telencephali
testing conditions
Thumb your nose at
triangle antenna
tribenzylchlorosilicane
up-hill work
V. O. P.
velaz
wegregator
wild beans
Willis' pancreas
wood for agricultural purpos's
yam-mas