[化] 环戊二烯阴离子; 茂; 茂基

cyclopentadienyl的用法和样例:

例句

  1. A metallocene complex in which the cyclopentadienyl group is substituted with an alkanediyl silyl group.本发明提供一种芳环烯金属错合物,其中之环戊二烯基被烷二基矽基所取代。

发表于:2018-12-02 / 阅读(176) / 评论(0) 分类 英语口语1+1

圣诞节快到了,听厌了Jingle Bell吗?就让Jenny和Connor来为大家推荐一些不一样的歌吧。这些都是欧美正当流行的热门圣诞歌曲哦! 圣诞歌曲英语怎么说? 圣诞歌曲除了Christmas songs,还可以说:

发表于:2018-12-19 / 阅读(106) / 评论(0) 分类 美国文化脱口秀

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2018-12-30 / 阅读(138) / 评论(0) 分类 单词解析速记

Cloze: Stingers of the Sea 海中刺客 ── 水母 Given impressive-sounding names like Portuguese man-of-war, jellyfish are certainly respected and feared by humans. Not exactly a fish, and lacking a spine, this creature has a single body cavity

发表于:2019-01-02 / 阅读(136) / 评论(0) 分类 双语有声阅读

一个挪威的喜剧演员二人组,他们主持的脱口秀电视节目在挪威本地有不少忠实观众,而《狐狸叫》原本是他们为了宣传新一季节目开播而制作的宣传歌曲。这首歌犹如童谣的歌词注定了它的

发表于:2019-01-08 / 阅读(162) / 评论(0) 分类 英乐时空

The itsy bitsy spider climed up the water spout. Down came the rain, and washed the spider out. Up came the sun, and dried up all the rain, And the itsy bitsy spider went up the spout again.

发表于:2019-01-09 / 阅读(352) / 评论(0) 分类 鹅妈妈童谣

Mary, Did You Know? - Pentatonix Mary did you know take your baby boy 玛丽你知道吗你的圣子 Would one day walk on water 有一天会在水上行走 Mary did you know that your baby boy 玛丽你知道吗你的圣子 Would save our sons and d

发表于:2019-01-10 / 阅读(125) / 评论(0) 分类 2015最新精选英文歌曲

一个挪威的喜剧演员二人组,他们主持的脱口秀电视节目在挪威本地有不少忠实观众,而《狐狸叫》原本是他们为了宣传新一季节目开播而制作的宣传歌曲。这首歌犹如童谣的歌词注定了它的

发表于:2019-01-10 / 阅读(521) / 评论(0) 分类 英乐时空

音乐咖啡厅:Ylamproductions - Love Aviation 相关介绍:YLAMPRODUCTIONS出生于香港,现年21岁,就读于澳大利亚音乐学院(Australian Institute of Music)!从小受到音乐的熏陶,有一个属于自己的Band,梦想是当

发表于:2019-01-11 / 阅读(224) / 评论(0) 分类 音乐咖啡厅

By Jim Teeple Ramallah 23 January 2006 Politicians in the Palestinian territories wrapped up final day of campaigning Monday, ahead of crucial vote Wednesday to elect new legislature Politicians in th

发表于:2019-01-13 / 阅读(224) / 评论(0) 分类 2006年VOA标准英语(一月)

Oum Sok began working as a cyclo driver when he was 18. He says the city has become very expensive over the years, making it much harder to earn a living. New York has its yellow cab. London has its red bus. But Phnom Penh has its cyclo - a three-whe

发表于:2019-01-13 / 阅读(170) / 评论(0) 分类 VOA标准英语2010年(六)月

The State Department said Thursday an agreement for the start of direct peace talks between Israel and the Palestinians is close to completion. The deal will apparently be sealed by statements from the United States and the International Middle East

发表于:2019-01-13 / 阅读(127) / 评论(0) 分类 VOA标准英语2010年(八)月

So awesome, right? Another example is Pentair. Pentair is a U.S. industrial conglomerate. 很棒,对吧?另一个例子是滨特尔。滨特尔是美国的工业集团。 And about a decade ago,they sold their core power tools business and reinve

发表于:2019-01-18 / 阅读(130) / 评论(0) 分类 TED演讲国际问题篇

They might look like something out of a James Bond movie but these luxury underwater houses - the first of their kind in the world - are set to be built in Dubai. 它们可能看上去像是从詹姆斯邦德电影里直接穿越到三次元的,但是

发表于:2019-02-05 / 阅读(103) / 评论(0) 分类 阅读空间

与数字有关的英语词根总结 milli-【千分之一】例:milliampere(毫安)=milli(千)+ampere(安培) centi【百分之一】例:centimeter(厘米)=centi(百分之一)+meter(米) deci【十分之一】例:decibe

发表于:2019-02-06 / 阅读(205) / 评论(0) 分类 英语学习方法

音乐咖啡厅:Ylamproductions - Life, Love, and Faith 相关介绍:YLAMPRODUCTIONS出生于香港,现年21岁,就读于澳大利亚音乐学院(Australian Institute of Music)!从小受到音乐的熏陶,有一个属于自己的Band,梦

发表于:2019-02-06 / 阅读(185) / 评论(0) 分类 音乐咖啡厅

1) G2G = got to go = 我得走了 2) TTYL = talk to you later = 一会儿再聊 3) XOXO 亲亲抱抱

发表于:2019-02-07 / 阅读(288) / 评论(0) 分类 OMG美语

音乐咖啡厅:Ylamproductions - My Heartbeat 相关介绍:YLAMPRODUCTIONS出生于香港,现年21岁,就读于澳大利亚音乐学院(Australian Institute of Music)!从小受到音乐的熏陶,有一个属于自己的Band,梦想是当

发表于:2019-02-08 / 阅读(368) / 评论(0) 分类 音乐咖啡厅

用数学知识强化记忆 fourscore = four(4)score(20) 80 美国第16任总统林肯演说词第一句:fourscore and seven years ago, 那么,怎样才能记住 fourscore 这个词而终生不忘呢?只要我们了解了fourscore 的逻辑思维

发表于:2019-02-21 / 阅读(130) / 评论(0) 分类 实用英语

【大森】美国sing-off冠军Pentatonix最新纯人声超赞翻唱Calvin Harris和绵羊音Ellie Goulding热单《I Need Your Love》。人声合唱搭配五彩缤纷的mv剪辑,让人眼前眼花缭乱的同时身体也不禁随着节拍舞动起

发表于:2019-03-11 / 阅读(276) / 评论(0) 分类 好听的英文歌曲
学英语单词
achyranthis bidentatae radix
allowable vehicle noise standard
alternating-direction implicit iteration
Amieira
Ampullaria luteostosma
antigenotoxic
ardener
aspidium filix-mas miq.
atomic layer epitaxial growth
aurophobia
beta-Keto-reductase
bilateral diode
black brittleness
blackballings
bobbin stripping machine
bolognese
booz-allen
button punch
can't but
capri
capsule of cricoarytenoid joint
catchability per unit of effort
catechumens
check-valve cap
circular orbit
clematis gouriana roxb.
climb-cut grinding
commuter category airplanes
conjugate principal point
contact high
context-rich
conus coffeae
Coriaria
data conversion transmitter
diffusion vacuole
diplex telegraphy
direct access device space management
diverticulum (pl. -la)
Drybridge
dyspnea of deficiency type
end bank
equal circumference
fartier
ferrischermakite
friction drive
genus Argyroxiphium
gill drafting
go with the wind
group directional characteristic
height of wave and swell combined
high performance addressing
hydraulic roller mill
instrumental technique
Integer BASIC
internal diameter of pipe
investitural
job acceptance
juvenile insurance policy
leptosphaeria coicis
lindera triloba bl.
logical driver
Maksutov corrector
medical clamps
melanosis coli
Mlicrococcus ascoformans
morticia
moving-conductor mic
nighttime
non reflective
out-thinks
overoptimizing
panicled aster
parallel element processing ensemble
pathname
picket fence thermonuclear reactor
pore water tension
procedures for air navigation services
prothipendyl
pseudo-off line working
pyroninophiiic granulations
quercus wizlizeniis
radioactive transfer
rated impedance of an energizing circuit
rattus culturatus
reindustrializing
right bladed propeller
rightmire
roll - neck sweater
rubidium alloy
saropatel
self consignment basis
shielded type cable
shirley lint recoverer
sodium thiocarbonate
Strophanthus kombe Oliver
successionists
super-species
taper knob
tortoni
trimelic
try my luck
western roman empires