镍羰触媒

nickel carbonyl catalyst的用法和样例:

例句

  1. Iron and nickel carbonyl compounds are poisons to copper-based methanol synthesis catalysts.摘要羰基铁和羰基镍是铜基合成甲醇催化剂的毒物。

School 1) volunteers don’t get paid money, but sometimes we receive special gifts. One morning, just before Christmas vacation, I was selling tickets to our grade school’s last evening performance

发表于:2018-11-28 / 阅读(137) / 评论(0) 分类 疯狂英语2002年

英语中的俚语、口语或顺口溜很多,它们的意义,往往与字面意义不同,有时也不合文法的结构,所以正确了解和灵活使用,是学习英语者的难题之一。下面即是常见的一些,供读者参考。

发表于:2018-11-29 / 阅读(104) / 评论(0) 分类 英语阅读理解

naive a.幼稚的,无知的,天真的 napkin n.餐巾(纸) narrative a.叙述的,叙事体的 n.叙述,记叙文 nasty a.肮脏的;下流的;险恶的;令人不快的 necessitate vt. 迫使

发表于:2018-12-01 / 阅读(154) / 评论(0) 分类 大学英语六级词汇

Joanna: Where did you go yesterday? Frank: I went to Croydon. Joanna: Did you go shopping? Frank: No, I went for an interview. Joanna: Oh, did you get a job? Frank: Yes, I got a job as a Management Tr

发表于:2018-12-03 / 阅读(94) / 评论(0) 分类 听力每日练习补充

Is His Name Santa Claus, Saint Nicholas, Kris Kringle or Pelznickel? Who Cares, So Long As He Brings Gifts! Now, the VOA Special English program Words and Their Stories. Santa Claus is someone who will remain in the hearts of children forever. He is

发表于:2018-12-07 / 阅读(44) / 评论(0) 分类 2013年VOA慢速英语(十二)月

dime是值十美分的硬币。 dime的价值虽然是nickel的两倍, 但是dime也只是一枚很小的硬币,而且dime跟 nickel相比是既小又薄,原因是过去曾经用比镍贵重得多的银子来铸造dime。 Nickel-and-dime既可以

发表于:2018-12-12 / 阅读(70) / 评论(0) 分类 美国俚语

Historic preservationists are often passionate in their zeal to keep the wrecking ball from beloved buildings. One man even died in the process. Richard Nickel spent years with his camera, documenting and arguing against the demolition of buildings

发表于:2018-12-19 / 阅读(116) / 评论(0) 分类 2007年NPR美国国家公共电台

Sucre夜里从牢房的水池后面溜到狱警休息室里,在他们挖的洞上浇上一层水泥,以掩人耳目。他知道自己回牢房的路上很可能被抓住,所以事先想办法弄到一条女式内裤,万一被抓到就说是为了等女朋友扔东西过来。他果然被抓住了,下面是狱警和Sucre的对话。 [00:41.87]Sucre

发表于:2019-01-01 / 阅读(73) / 评论(0) 分类 越狱第一季

一个客户在电话线上和我就一笔生意讨价还价,硬要在我的报价上要砍掉一角钱,当时我和他据理力争,他说:I'm not trying to nickel and dime you. 我当时就冲口回答:I don't need your nickel and dime.(我

发表于:2019-01-08 / 阅读(100) / 评论(0) 分类 美国俚语

我们上一次讲了由penny 也就是分币组成的几个习惯用语。美国人用的硬币除了penny还有好几种。例如,价值比penny高一点儿的有五分和一毛的硬币。它们是: nickel and dime。不论Nickel还是dime都是零

发表于:2019-01-11 / 阅读(119) / 评论(0) 分类 美国习惯用语

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(92) / 评论(0) 分类 VOA标准英语2011年(一月)

[00:00]P:This is Mary Ellen Jenkins. So, Mike, how do you and Joey know each other anyway? [00:05]M:How do I and Joey know each other? Wow, if I had a nickel for every time somebody has asked me that. [00:11]J:From school. [00:12]M:Yeah, we m

发表于:2019-01-14 / 阅读(68) / 评论(0) 分类 英美人天天都在说的4000句:跟着影视学最真实的口语

1. Do you take money?你们要收钱吗? 很多东西真的一定要先问清楚才行, 天底下真的没有白吃的午餐这种事情. 尤其美国的一些大城市路上有很多街头艺人, 穿著奇装异服, 有些观光客好奇拿著照相机

发表于:2019-01-15 / 阅读(70) / 评论(0) 分类 英语口语

介绍: NICKLE N I C K LE 镍 是美元中五分钱的硬币 Dime D I M E是美元中十分钱的铸币 dime是值十美分的硬币。 dime的价值虽然是nickel的两倍, 但是dime也只是一枚很小的硬币,而且dime跟 nickel相比是既

发表于:2019-01-17 / 阅读(66) / 评论(0) 分类 英语俚语天天说

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(87) / 评论(0) 分类 世界各地新闻集锦

Santa Claus Is Coming to Town! Now, Words and Their Stories from VOA Learning English. This week, we have a special program for the holiday season. It is a show recorded many years ago by Maurice Joyce. He worked as an announcer at the Voice of Ameri

发表于:2019-01-21 / 阅读(169) / 评论(0) 分类 2018年VOA慢速英语(十二)月

11.tomissatrick:意思是不了解全部实况或不能细心察看 (nottofigureoutasituation;don'tknoweverythingthatisgoingon;notveryperceptiveofeverysituation.) (反之,doesnotmissatrick就是对

发表于:2019-02-01 / 阅读(76) / 评论(0) 分类 趣味英语

Nickel or Dime? 5分钱还是10分钱? Little Johnny used to hang out at the local corner store. The owner didn't know what Johnny's problem was, but the older boys would constantly tease him. 小约翰尼过去常在街角的商店附近闲逛。店

发表于:2019-02-17 / 阅读(85) / 评论(0) 分类 英语小达人

How You Made Money 你怎么赚的钱 A young man asked an old rich man how he made his money. 一个年轻人问一位富有的老人是怎样赚到钱的。 The old guy fingered his worsted wool vest and said, Well, son, it was 1930. The depth of t

发表于:2019-02-17 / 阅读(71) / 评论(0) 分类 英语小达人

He was just gone? 他出去了吗 No! Not gone. Taken. 不,不是出去,是被绑架了 Looks like Nickel was on somebody else's list, too. 貌似尼克还在别人的名单上啊 After the fire last night, it's not entirely surprising. 昨晚那场

发表于:2019-02-25 / 阅读(65) / 评论(0) 分类 绿箭侠第一季
学英语单词
advertises
ahead and astern
alsea
angiopteris henryi hieron.
arteriac
aspartylglycosaminidase
Ban Salik
bending moment
blueliners
bullish tone
camilions
Come-et-St-Front
complete dislocation of joint
compurgatorial
computer-aided designs
corresponding point
corrugated translucent sheet
Corydalis capnoides
creepage distance of insulation
critical grain growth
cryptoclase
crystal clathrate
Cuajimalpa
d-fructopyranose
de pensee tic
dead-smooth
deluna
dimenna
disintegrating method
dynamic cluster model
eat someone's dust
economy class syndrome
elementary attenuation of propagation
embus
feed-function
freelance-writing
frogsicle
grade tester
green jersey
hand-colourings
Household Brigade,the
idle speed stability control of gasoline engine
inside dam power house
Interactive voice system
interval histogram
Kerr materials
kerseynet
klaskala
Kāttuputtür
laser-induced spark
melting condition
meta-perspective
metamolybdic acid
misexpress
morpheuss
much-derideds
multivor
nuchal flexure
nuddy
panel survey
paraffin burn
passive angle tracking
People against Gangsterism and Drugs
pericardian
Pondicherry, Union Territory of
porous concrete
postcommunists
proficiency flight
pterygopous
restricted negotiation
ring twisting
rooting mixture
rovine
Rānāgaon
schmitthoff
self-sustained discharge test
semi-quoted
shaft power source
shakeys
simulation between programs
single dominant gene
single stage amplifier
solar particle radiation
spectral evolution
stimulation of well
Stock Exchange Alternative Trading System
stores away
sympathetic gangrene
tears of strong wine
TEPCO
thumbprinting
two dimensional graph model
ulcer-
umuahia
uncleaved
us sport
Varzino
ventilation splitting
web clearance
wellied
whiteys
woulders