电子束硬化

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(91) / 评论(0) 分类 英文杂志-Magazine

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(107) / 评论(0) 分类 Scientific American(九)月

beam, [bi:m] n 大梁(建筑中用作支撑的木材、金属或石头);光柱;臀围;平衡木 【船】横梁; 船幅; 船舷 (秤)杆; (犁)柄; (锄)把; 卷轴; 横杆; 杠杆 (鹿角的)主干 (灯光、日光、月光等的)束, 道,

发表于:2018-12-30 / 阅读(99) / 评论(0) 分类 不择手段背单词

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(184) / 评论(0) 分类 2017年VOA慢速英语(十)月

1135 、 晶体点阵;晶体格构;晶格 crystallattice 1136 、 棘轮和爪 ratchetandpawl 1137 、 棘齿 ratchet 1138 、 棘齿弓钻 ratchetbrace 1139 、 壳型模塑 shellmoulding 1140 、

发表于:2019-01-03 / 阅读(104) / 评论(0) 分类 英文名句短语

463 、 自感量 self-inductance 464 、 自感应 self-induction 465 、 色彩;颜色 colour 466 、 色调 tone 467 、 色环 colourwheel 468 、 行星齿轮;周转齿轮 epicyclicgear 469 、

发表于:2019-01-03 / 阅读(81) / 评论(0) 分类 英文名句短语

You've probably heard the expression a heart attack on a plate. Maybe its fettuccini alfredo. Or maybe its a bacon cheeseburger, covered in batter and deep fried to artery-clogging perfection. Either way, it's clear that our modern diet is not always

发表于:2019-01-08 / 阅读(90) / 评论(0) 分类 Scientific American(十一)月

金属切削 metal cutting 机床 machine tool 金属工艺学 technology of metals 刀具 cutter 电路 circuit 半导体元件 semiconductor element 反馈 feedback 发生器 generator 直流电源

发表于:2019-01-08 / 阅读(104) / 评论(0) 分类 英文语法词汇

Bob Beamon established himself as the favourite in the 1968 long jump by winning 22 of 23 meets in the pre-Olympic season. He almost met with disaster in the qualifying round. After fouling his first two attempts, he had only one try left. His teamma

发表于:2019-01-08 / 阅读(158) / 评论(0) 分类 英美文化

Right on the beam To fly by the seat of his pants 美国英语当中有许多成语和俗语都和过去的历史有关系。例如,美国开拓西部的过程给美国语言增添了不少色彩。可

发表于:2019-01-14 / 阅读(165) / 评论(0) 分类 美国习惯用语

[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(172) / 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(78) / 评论(0) 分类 TED演讲教育篇

Darwin in Battle of Wits against Unarmed Man Antievolutionist Ray Comfort will be distributing copies of the Origin of Species with a new introduction that misrepresents, misunderstands and distorts Darwin's ideas and legacy. Steve Mirsky comments No

发表于:2019-01-30 / 阅读(147) / 评论(0) 分类 60秒科学

SCIENCE REPORT – January 9, 2002: Red Wine and Heart Disease By George Grow This is the VOA Special English SCIENCE REPORT. British scientists may have discovered the reason why red wine appears to

发表于:2019-01-30 / 阅读(116) / 评论(0) 分类 科技之光

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(100) / 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(102) / 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(93) / 评论(0) 分类 实用英语

iron and steel industry 钢铁工业 ironworks 铁厂 foundry 铸造车间 steelworks, steel mill 钢厂 coking plant 炼焦厂 electrometallurgy 电冶金学 powder metallurgy 粉末冶金学 blast f

发表于:2019-02-11 / 阅读(114) / 评论(0) 分类 英文语法词汇

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(67) / 评论(0) 分类 万物简史

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(87) / 评论(0) 分类 双语有声阅读
学英语单词
accountable for
al-ayoun
aluminium thiocyanate
Amoxicillin-Flucloxacillin
ankle central bone
anti-fog insulator
at hack and monger
balance of moving part
beta-Hydroxybutyrate
calculating instrument
Carnot's butter
casing-pressure gas-lift valve
cesium iridium alum
charitable donation allowance
chlorophaeite
chromatographictheory
clock synchronizer
cold cases
crat
Cross currency interest rate swap
cross off accounts
crossed yagi
decamethasone
dim sim
direct-axis subtransient voltage
Dubin-Johnson
e.e
electrochemical equilibrium
ephedran
family Callitrichaceae
fin tube heat exchanger
finger scan
folsom
Franz Ferdinand
Fristad
giricek
grabbed at
grain of soap
greezes
head delivery
hetmans
hradec
Huwei Township
international payment transaction
JFS
kerato-
Kurashiki
logical destination
makoyanum
mary mallons
Melopsite
methane liberation
microprocessor memory interface
modulating temperature control
moon scraper
more of the same
mulligatawny
multiple currency securities
N-2-oxoethyl-dichloroacetamide
non-regulated transformer
noncountries
old hag syndrome
open stem
over-and-over
Phatthalung
Portuguese Water Dogs
psychognosy
pulsed magnetron sputtering
reduced mapping cyclinder
regenerative heat-exchange
return home
sclerotica
Sdok Veng
seemeth
serial output
sharaga
shell and-coil condenser
sindbad
software support manual
sooty mold of tea
spring hammer
Središče
stand to one's gun
structural steel erection
tempered glass
tetramethyl-diaminobenzophenone
thiosulfite
tidefall
to be fair
top slicing
torque tool
torsional stabilizer
tridactylid
triethylene glycol diglycidyl ether
Ushakovka
Van Norman
vext
viroplankton
visual impedance meter
wet-look
wide-angle reflection
wire entanglement