[化] 金属氧化物催化剂

The Coliseum Rome, that great 1) witness to a past rich in history, that great collection of 2) artistic masterpieces, which together, form the most complete 3) unmatchable expression of human achieve

发表于:2018-11-28 / 阅读(163) / 评论(0) 分类 疯狂英语2003年

One main goal in the renewable energy field is to find an efficient, inexpensive way to split water into hydrogen and oxygen. The hydrogen could then be used as a fuel source for vehicles or fuel cells. Typically, an electric current breaks the water

发表于:2019-01-02 / 阅读(100) / 评论(0) 分类 60秒科学

This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. Got a minute? Forget the scalpel, researchers at Johns Hopkins University have created a tool that can move easily through tissue, potentially making biopsies much less invasive.

发表于:2019-01-08 / 阅读(99) / 评论(0) 分类 Scientific American(一)月

One main goal in the renewable energy field is to find an efficient, inexpensive way to split water into hydrogen and oxygen. The hydrogen could then be used as a fuel source for vehicles or fuel cells. Typically, an electric current breaks the water

发表于:2019-01-08 / 阅读(101) / 评论(0) 分类 Scientific American(四)月

SCIENCE IN THE NEWS - Discovery That Stored Blood Loses a Life-Saving Gas Could Solve Mystery By Lawan Davis, Soo Jee Han and Caty Weaver / Broadcast: Mon, 12 Nov 2007 16:00:00 UTC VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm S

发表于:2019-01-11 / 阅读(146) / 评论(0) 分类 VOA慢速英语2007年(十一)月

Kid Rock describes his latest album, Born Free, as organic blues-based rock and roll. Born Free is Kid Rock's first new album in more than three years. He left the comforts of his home studio in Detroit, Michigan to record the collection in Los Angel

发表于:2019-01-14 / 阅读(101) / 评论(0) 分类 VOA标准英语2011年(一月)

Sunscreen comes in many forms, each with its own impacts on your body and the environment. 防晒霜有很多种,每种对你的身体和环境影响各有不同。 With so many options, how do you choose which sunscreen is best for you? 有了这么

发表于:2019-01-17 / 阅读(110) / 评论(0) 分类 TED演讲教育篇

It's been 10 years now since the attacks on September 11, 2001 that killed thousands in America. For families and friends of those killed, the pain is still raw. However, the tragedy has proved a catalyst for one organization to rise out of the rubbl

发表于:2019-01-19 / 阅读(97) / 评论(0) 分类 世界各地新闻集锦

In the early 1800s there arose in England a fashion for inhaling nitrous oxide, or laughing gas, after it was discovered that its use was attended by a highly pleasurable thrilling. For the next half century it would be the drug of choice for young p

发表于:2019-01-29 / 阅读(52) / 评论(0) 分类 万物简史

Beijing's last large coal-fired power plant suspended operations last Saturday, meaning the capital has become China's first city with all its power plants fueled by clean energy. 上周六,北京最后一座大型燃煤电厂停机备用,这意味

发表于:2019-02-04 / 阅读(65) / 评论(0) 分类 英语新闻

18招促环保(双语) 我们中的每个人都应该对自己日常生活活动和选择所产生的温室气体负责。因此,防止气候变化需要地球上的每个人共同来努力。在中国,平均每户每年的碳排放量是2.41吨

发表于:2019-02-06 / 阅读(164) / 评论(0) 分类 实用英语

BEIJING, July 11 (Xinhua) -- The State Council, or China's Cabinet, announced on Wednesday that it will boost the development of the nation's distribution industry with the goal of establishing a modern goods distribution system that is efficient, co

发表于:2019-02-08 / 阅读(110) / 评论(0) 分类 英语新闻

Researchers from Xian Jiaotong University in Northwest Chinas Shaanxi Province have developed a way to eliminate air pollutants during the coal-burning process, which they hope would significantly address the countrys smog problems. 来自中国西北的

发表于:2019-02-13 / 阅读(148) / 评论(0) 分类 英语新闻

China's State of the Environment Report for 2012 suggests that the overall quality of China's environment is balanced and stable. The condition of underground water remains to be a big concern. Li Dong has the details. Released annually by China's Mi

发表于:2019-02-14 / 阅读(210) / 评论(0) 分类 世界各地新闻集锦

电脑英语--常见硬件篇CPU:Central Processing Unit,中央处理单元,又叫中央处理器或微处理器,被喻为电脑的心脏。 RAM:Random Access Memory,随机存储器,即人们常说的内存。 ROM:Read-Only Memory,只

发表于:2019-02-15 / 阅读(110) / 评论(0) 分类 天天商务口语

重要电脑英语及其缩写 CPU:Central Processing Unit,中央处理单元,又叫中央处理器或微处理器,被喻为电脑的心脏。 RAM:Random Access Memory,随机存储器,即人们常说的内存。 ROM:Read-Only Memory,

发表于:2019-02-16 / 阅读(70) / 评论(0) 分类 实用英语

The World Health Organization, upgrading a previous warning, said June 12 that diesel exhaust causes cancer and called for tighter emissions standards, comparing the risk of exhaust to second-hand cigarette smoke. Tuesdays announcement comes after in

发表于:2019-02-17 / 阅读(89) / 评论(0) 分类 英语新闻

CPU:Central Processing Unit,中央处理单元,又叫中央处理器或微处理器,被喻为电脑的心脏。 RAM:Random Access Memory,随机存储器,即人们常说的内存。 ROM:Read-Only Memory,只读存储器。 EDO:Ext

发表于:2019-02-21 / 阅读(67) / 评论(0) 分类 实用英语

18 The Bounding Main 第十八章 浩瀚的海洋 Imagine trying to live in a world dominated by dihydrogen oxide, 请你想像一下,你能不能生活在一个由一氧化二氢主宰的世界里。 a compound that has no taste or smell and is so

发表于:2019-02-25 / 阅读(140) / 评论(0) 分类 万物简史

Metallic,队如其名,是世界首屈一指的重金属乐队,比Bon Jovi更有名,比枪花更严肃。Metallica在不断的创造着新的音乐元素:Thrash Metal、Death Metal、Speed Metal、Black Metal,他们不甘心看着重金属摇

发表于:2019-02-25 / 阅读(99) / 评论(0) 分类 英文摇滚歌曲
学英语单词
3-amino-1-pyrazole
accroides resin
Adenia penangiana
air research and development command
alkalescence, alkalescency
amabilis
Ampullaria luteostosma
antinarcotic
Apodol
ascarops strongylina
be complicated by
betrench
BLL
bonuses distributed according to strict calculations
burried oxide
carboxy-terminals
chinnors
chromolithographing
circulative
climatogram
deir
delions
desk monkeys
dyshomeostasis
emphasised
escape behavio(u)r
exercise tolerance test
false seam
fictitious thrust coefficient
financial packages
fluid mechanics
free iron
fully cavitating propeller
gaalas edge emitter
general rates
glaucias beryllus
goldeye
golvon
green resin
grid (crt)
heedfulness
high-output three-phase induction motor
hizouses
hypnoanesthesia
hyposecretory
hyssopera
ileorrhaphy
immune-mediated
interstitial jog
Jersey Giant
kiddin
Krietzschwitz
Lancaster County
leaped out
LPCRS (low pressure coolant recirculation system)
lutation
major policy
malchugina
marine radio
mass armed uprising
methylthalicberine
moist adiabatic lapse rate
monogyna
nevado del ruiz
nuages
orchidectomy
parameter control cost
partially insulated field-effect transistors
pell and pelfer
phoneticist
pipe quenching
radioactivity analysis
radovanite
rateabless
Rectorrhagia
recycle gas compressor
release motion
repair of vehicles detached from train
rhenium(v) chloride
robed in purple
Second Epistle of Peter
secondary bronchi
semisubmersible rigs
SI transaction
sodium vapor discharge lamp
sore subject
sq.in.
static pile press extractor
stop-motion
sturtevant den
sutura coronaliss
switchback
tag ... on
Tetra-tablinen
tiebreakers
transfer fluid
Triplostegia glandulifera
unibus
ureterolithotomy
ventes
wiesenbodens
written off