[机] 活性中心

active centres的用法和样例:

例句

  1. The production of polymer in each case involves the rapid addition of monomer to a few active centres.在各种情况下聚合物的生成都是单体对少数几个活性中心的快速加成。

[00:-2.00]CHATBACK ON:TUTORIAL CENTRES [00:-3.00]Have you ever been to a tutorial centre? [00:-4.00]Do you think tutorial centres can help students? [00:-5.00]Write and tell us about your experiences and opinions. [00:-6.00]Send your letters to'Chatb

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There is no excuse for rudeness. I dont understand why people have to be rude. Being polite is a much better way to get things done. If you are rude, the other person will not want to deal with you. Its not very productive. It probably makes the rude

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文本: Almost certainly, he didn't mean it as an impermeable barrier against barbarian onslaught from the north. The wall was studded with milecastles and turrets and forts like this one at Housesteads. But as Britain settled down in the second ce

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Narrator: Part Three. Listening Exercise 3.1. Listen to the following sentences, pausing your machine after each sentence to write down the essential details of what you have heard: a. Manchester, one of the most important cities in England, is consi

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Vocabulary ?congestion too many people or cars which means they cant move easily ?urban sprawl city spread out too much ?infrastructure water, sewage, electricity, transport etc ?metropolitan city ?submissions write your opinions and send them to the

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HSBC is the world's largest banking and financial services group. It was founded in 1865 as The Hong Kong and Shanghai Banking Corporation. Its headquarters was in Hong Kong until 1992 when it moved to London. The bank is listed on the London, New Yo

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Voice 1 Welcome to Spotlight. I'm Liz Waid. Voice 2 And I'm Ryan Geertsma. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 Nevine was fourteen when her mo

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We hope to reinforce Hong Kong's role as a springboard. With our new policies and their related services, we can better exert Hong Kong's role as China's financial and capital raising market to help Chinese businesses as they enter overseas markets.

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LONDON, July 4 (Xinhua) -- Anders Fogh Rasmussen, Secretary General of the North Atlantic Treaty Organization (NATO) expressed his hope on Wednesday that NATO would seek a more active dialogue with China. We must expand the range of nations with whom

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SEOUL, Nov. 8 (Xinhua) -- Samsung Electronics, the world's largest flat screen TV vendor, said Tuesday that it has suspended its plan to develop active shutter three-dimensional (3D) TVs with RealD, the U.S.-based 3D technology supplier. Samsung has

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Mirrors are being removed from changing rooms in some of Britain's biggest shopping centres after new research revealed they make customers more body conscious. 一项新的研究表明,试衣镜使得顾客对自己的身材更在意,因此英国一

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1.There are some good reasons for…(分析原因)two possible人民生活状况的改善原因有两点。首先,我们一直在贯彻执行改革开放政策。其次,国民经济正在迅速发

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Cheating in exams is fairly common in the Indian state ofBihar, but new images have emerged which show just how large-scale and blatant the practice is. 考试作弊在印度比哈尔邦极为普遍,但新流出的图片显示,这种现象已经到

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Listen first to yesterdays podcast, What is the Budget? There were only a few surprises in todays Budget. One was about tax cuts. All workers, the rich and the poor, will pay less income tax. People earning less than $14,000 a year will pay 10.5% inc

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【模仿句子】 We begin with the surveillance row between the government and judiciary in Germany. It all centres on accusations that a political blog may have revealed state secrets. 【翻译】我们首先来关注德国政府和司法部之间关

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学英语单词
5-ribosyluridine
academic nudity
alveoola
Balmazujvaros
be taken into deliberation
bridge linkage
burster-trimmer-stacker
cable restraint
capacitance strain gauge
capsicum spices
carbon dioxide band
center of parallel wheel motion
chipmunking
Cladostachys polysperma
corpus geniculum
Crepis sibirica
Crnbog
cupolar
Dalton-in-Furness
dimethoxyboron chloride
dined on
drop astern
Elland eave-lead
ethyl propyl-acetoacetate
euryzygous
explanato-
fiber dimensional stability
Flemish Pass
flick sth on
flying stay roller
fossil systematics
frequency of optimum traffic
fuel injection beginning
garbage barge
garrison town
gavilimomab
gelotherapy
genus Oligoplites
give reasons for an award
hongquiite
innoculate
instalment buying
juneberry holly
khalatnikov
language-sensitive editor
law of causation
Leica
limonia (pseudoglochina) monocycla
line men's knife
lopex
mapped conversation
mesenchyme cell
micromorphological analysis
multipurpose cold store
nail up
neutron-to-gamma sensitivity ratio
non-cognitivism
nonshattering
not so bad
Novoxapin
officiating in athletic and sports
on-load voltage regulator
pack on the pounds
pay policy
period refractory
phase aberrator
phosphorite
photoelectric width meter
plain hank
pole derrick
potential transformator
presses forging
projectingly
Rainsville
reflectorless
repeller plate
resist heat
retardation method
sash fasteners
serfas
single term expression
slotted array antenna
specified date delivery
sprayways
statistics of social insurance
stickle cell
stink up
stress management programs
substantialism
tanaid
tilt-down
tip of ear
top operator
transport cart
turbinaria frondens
two-bladed wooden propeller
typomorphic characteristic
unenvying
wahono
want of goods
West Lindsey
wild hair