槽式电子倍增器

efficiency-效率,功效 elaborate -精心计划的,详尽的 elastic -橡皮圈,松紧带 elbow -肘,肘部 elderly-较老的,年长的 elect -选举,推举 electrical -电的,电气科学的 electron-电子 electronic -电子的 elegant -优美的,文雅的 element -元素,要素 elementary-基本的,

发表于:2018-11-29 / 阅读(287) / 评论(0) 分类 用mp3背四级单词

16. The coming of the railways in 1830s____ our society and economic life. A. transformed B. transported C. transferred D. transmitted economy 经济 economic 经济的 economical 节俭的 economics 经

发表于:2018-12-01 / 阅读(319) / 评论(0) 分类 新东方赵丽词汇课堂

Lesson 38 Text A Can't She Type? The well-known banker, T. J. Ellington, was at one time in his younger days the manager of a New York office. His secretary had been with him for many years, and knew

发表于:2018-12-02 / 阅读(403) / 评论(0) 分类 初级口语教程

In the square outside the British Library in London is a sculpture of Sir Isaac Newton - The first man who asked why apples seem always to fall towards the centre of the earth. Maybe they chose it for the spot because it shows a great scientist at wo

发表于:2018-12-07 / 阅读(224) / 评论(0) 分类 英文杂志-Magazine

OK, great, we smell vibrations. How? All right? 好吧,我们闻到的是震动。怎么闻到呢? Now when people ask this kind of question, they neglect something, which is that physicists are really clever, unlike biologists. 当人们问这个问

发表于:2018-12-19 / 阅读(184) / 评论(0) 分类 TED演讲教育篇

This is Scientific American's 60-Second Science. I'm Sophie Bushwick. Got a minute? The shortest distance between two points may be a straight line, but try telling that to electrons: when current flows down a wire, these particles zig and zag, movin

发表于:2018-12-24 / 阅读(244) / 评论(0) 分类 Scientific American(九)月

Three Scientists Win Nobel Prize in Chemistry Three scientists have won the Nobel Prize for chemistry for their work to simplify and improve the imaging of biomolecules. 三位科学家因为在简化和改善生物分子成像方面的成就获得了诺

发表于:2019-01-03 / 阅读(315) / 评论(0) 分类 2017年VOA慢速英语(十)月

[0:0]efficiency效率,功效 [0:12.1950]elaborate elastic elbow elderly精心计划的,详尽的 橡皮图,松紧带 肘,肘部 较老的,年长的 [1:2.6076]elect electrical electron选举,推选 电的,电气科学的 电子 [1:41.1372]electronic elegant element elementary [2:36.2790]el

发表于:2019-01-16 / 阅读(334) / 评论(0) 分类 闭着眼睛飘单词 四级词汇

But this still doesn't explain why light is able to pass through glass rather than being absorbed as with most solids. 但是这还是不能解释为什么光可以穿透玻璃而不是像其他大多固体那样被吸收。 For that, we need to go a

发表于:2019-01-17 / 阅读(228) / 评论(0) 分类 TED演讲教育篇

AGRICULTURE REPORT December 17, 2002 — Irradiated Meat This is the VOA Special English Agriculture Report. The United States government has approved methods of destroying bacteria in meat by using r

发表于:2019-01-30 / 阅读(251) / 评论(0) 分类 农业与发展

A-bomb, atomic bomb 原子弹 absorption 吸收 to accelerate 加速 accelerating chamber 加速室 accelerator 加速器 synchrocyclotron 同步回旋加速器 synchrotron 同步加速器 betatron 电子

发表于:2019-02-03 / 阅读(247) / 评论(0) 分类 英文语法词汇

Early effect 厄利效应 Early failure 早期失效 Effective mass 有效质量 Einstein relation(ship) 爱因斯坦关系 Electric Erase Programmable Read Only Memory(E2PROM) 一次性电可擦除只读

发表于:2019-02-05 / 阅读(232) / 评论(0) 分类 实用英语

Background carrier 本底载流子 Background doping 本底掺杂 Backward 反向 Backward bias 反向偏置 Ballasting resistor 整流电阻 Ball bond 球形键合 Band 能带 Band gap 能带间隙 Ba

发表于:2019-02-05 / 阅读(202) / 评论(0) 分类 实用英语

They should therefore save income earned as a result of stimulus in order to have it on hand for when the bill came due. 因而,为了在账单到期时手里有钱,他们应当把作为刺激结果而挣到的收入存起来。 The multiplier on

发表于:2019-02-17 / 阅读(229) / 评论(0) 分类 经济学人财经系列

As physicists built bigger and more ambitious machines, 随着物理学家建造越来越大、越来越雄心勃勃的机器, they began to find or postulate particles or particle families seemingly without number: 他们开始或推断出似乎永无

发表于:2019-02-17 / 阅读(205) / 评论(0) 分类 万物简史

What this means in practice is that you can never predict where an electron will be at any given moment. You can only list its probability of being there. In a sense, as Dennis Overbye has put it, an electron doesnt exist until it is observed. Or, pu

发表于:2019-02-17 / 阅读(191) / 评论(0) 分类 万物简史

Finally, in 1926, Heisenberg came up with a celebrated compromise, producing a new discipline that came to be known as quantum mechanics. At the heart of it was Heisenberg's Uncertainty Principle, which states that the electron is a particle but a pa

发表于:2019-02-17 / 阅读(210) / 评论(0) 分类 万物简史

Neutrons and protons occupy the atom's nucleus. The nucleus of an atom is tinyonly one millionth of a billionth of the full volume of the atombut fantastically dense, since it contains virtually all the atom's mass. As Cropper has put it, if an atom

发表于:2019-02-17 / 阅读(218) / 评论(0) 分类 万物简史

口译考试的时候总避免不了出现一些专有名词,尤其以机构和会议名称居多,考生对此是头痛不已。此文对中高级口译教材中出现过的一些专有名词进行了一个整理,让考生更好的梳理口译专

发表于:2019-02-19 / 阅读(271) / 评论(0) 分类 英语口译

The Microscopic Technique Each advance in microscopic technique has provided scientists with new perspectives on the function of living organisms and the nature of matter itself. The invention of the visible light microscope late in the sixteenth cen

发表于:2019-02-25 / 阅读(240) / 评论(0) 分类 双语有声阅读
学英语单词
address-based microinstruction cycle
apiphobia
appeasingly
artificial capacitor
attirer
Belén, Cuchilla de
bike box
black-liquor-fired boiler
breast-bone
bridge balancing range
calloways
cambiar
Campanha
capital contributions
Cash-Flow Financing
cetostoma regani
channel smoothing
charged call
clean cut
colour hologram
combat service support troops
compositor
constructive mechanism
control vortex
Corynebacterium equi
cottonmill
counterelectromotive cell
cowarce
crimp removal
Debetrol
disassortatively
edge in with
elaeagnaceae oleaster family
emberiza spodocephala
encumbents
energy sales tax
field discharge switch
file capability
film play
finitely generated extension
firmer gouge chisel
flame r proof switch
gaius flaminiuss
gangas
gartz
Gaussian
george iis
heliodors
High Hill L.
histology
historical agent
idleful
in unison
instructional television fixed service
jectour
Juncus perpusillus
koilonychia
l-adic representation
LCL Cargo
Ligularia caloxantha
logon count
metal element
metal filled plastic
motorhand
mousable interface
Nava, Colle di
net boiler efficiency
noble metals
octophone
ophite
ouches
page in
pingy
Pinipel I.
plestiodon elegans
pro-plaintiff
pseudodata
pyrosulphuric acid
right gastroomental lymph nodes
sadets
self-oxidation (auto-oxidation)
shoulder marks
siho
single filling flat duck
sledgehammer to crack a nut
special rescue ships
squibbing
staatssecretaris
stage-discharge rating
Stansted
storm scupper
target designation transmitter
tendon sheath
thermophotovoltaics
totally complex field
transmission transducer
triple clamp coincidence switch
tylopilus castaneiceps
ultrasonic welding machine
vicariance
working gangway
yavapaiite