四价化合物半导体

What Makes White Gold White? Many people associate the metal gold with the color gold. But, some gold jewelry is not golden at all: its white. 图片1 Golden Color Gold is one of the heaviest and softest metals. Pure gold, called 24-carat gold, is so

发表于:2018-12-05 / 阅读(158) / 评论(0) 分类 英语听力文摘 English Digest

'Metal Muscles' Flex a New Bionic Hand 德国科学家发明新的仿生手 Artificial limbs, including the most complex of them the human hand are getting more life-like and useful due to constant advances in tiny hydraulic, pneumatic and electric m

发表于:2018-12-16 / 阅读(100) / 评论(0) 分类 VOA标准英语2015年(七月)

Many people associate the metal gold with the color gold. But, some gold jewelry is not golden at all: its white. 很多人都认为金子就应该是金色。但一些黄金首饰的颜色并不是金色,而是白色。 Golden Color 金色 Gold is

发表于:2018-12-28 / 阅读(122) / 评论(0) 分类 初学者听力文摘精选

That budget now stands at $5,400 million a yeara staggering sum, though somewhat less than we pay for cigarettes and cigars every year. Space expenditures will soon rise some more, from 40 cents per person per week to more than 50 cents a week for ev

发表于:2018-12-30 / 阅读(147) / 评论(0) 分类 名人励志英语演讲

seldom ad.很少 select vt.选择,挑选 a.选择的,精选的 selection n.选择,精选的人或物 self n.自己,本身;私心 selfish a.自私的 sell vt.卖,出售;出卖,背叛 vi.卖,销售 semester n.学期 semiconductor n.半导

发表于:2018-12-30 / 阅读(137) / 评论(0) 分类 大学英语四级词汇拼读版

What Makes White Gold White? Many people associate the metal gold with the color gold. But, some gold jewelry is not golden at all: its white. Golden Color Gold is one of the heaviest and softest metals. Pure gold, called 24-carat gold, is so soft th

发表于:2018-12-31 / 阅读(167) / 评论(0) 分类 英语听力文摘 English Digest

个人情况: Name: ******** Sex: Male/Female Date of birth:June 2,1975 Address: ***** Marital Status: Single/Married Post Code: 100001 Height: 1.70M Weight: 50 kg Health: Excellent E-mail Address:

发表于:2019-01-06 / 阅读(120) / 评论(0) 分类 实用英语

Copper Metal Kills Viruses on Contact 铜能杀死细菌和病毒 Even in the world of medicine, what is old is new again. 医药界也刮起了复古风。 Thousands of years ago, Egyptians used it to sterilize drinking water. Ancient Romans, Aztecs

发表于:2019-01-12 / 阅读(208) / 评论(0) 分类 2016年VOA慢速英语(二)月

Various stages of cartilage growth on scaffold. The final image on the right shows naturally forming cartilage for comparison. These replacement joints can be made of combinations of metal alloys, plastic and ceramic, but new research shows that it m

发表于:2019-01-13 / 阅读(177) / 评论(0) 分类 VOA标准英语2010年(八)月

Because the British were the most active in the early years, British names are predominant in the geological lexicon. Devonian is of course from the English county of Devon. Cambrian comes from the Roman name for Wales, while Ordovician and Silurian

发表于:2019-01-29 / 阅读(140) / 评论(0) 分类 万物简史

351. odd a. 奇特的,古怪的;奇数的 352. omit vt. 省略 353. opponent n. 敌手,对手 354. opportunity n. 机会,时机 355. orchestra n. 管弦乐队 356. semester n. 学期;半年 357. se

发表于:2019-02-03 / 阅读(313) / 评论(0) 分类 英文语法词汇

What to Do If Your Industry Is on the Way Out 如果你所在的行业过时了怎么办People in almost every profession may feel like jobs are scarce right now. For many industries, this is a temporary situation. But jobs in some fields are expec

发表于:2019-02-05 / 阅读(153) / 评论(0) 分类 阅读空间

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(163) / 评论(0) 分类 实用英语

What are some dumb questions you have been asked? 你都被问过哪些让人无语的问题? 获得6.7k好评的答案@Abhinav Gaur I work for a semiconductor company which makes electronic chips. On being asked about what I do, I once told to one

发表于:2019-02-06 / 阅读(146) / 评论(0) 分类 阅读空间

Congratulations, you've arrived on the hottest surface in the solar system. Here, the official temperature is eight hundred seventy degrees Fahrenheit. Day or night, equator or pole, the searing heat never varies more than a few degrees, and thats wh

发表于:2019-02-15 / 阅读(199) / 评论(0) 分类 自然百科2012年

Nitinol Nitinol is one of the most extraordinary metals to be discovered this century: A simple alloy of nickel and titanium, nitinol has some perplexing properties. A metal with a memory, it can be made to remember any shape into which it is fashion

发表于:2019-02-17 / 阅读(168) / 评论(0) 分类 双语有声阅读

ArcelorMittal will launch a new high-strength automotive steel later this year, throwing down the gauntlet to its rivals in the race to make cars lighter. 安赛乐米塔尔(ArcelorMittal)将于今年晚些时候发布一款新型高强度汽车用钢,

发表于:2019-02-18 / 阅读(140) / 评论(0) 分类 英语新闻

PC:个人计算机Personal Computer CPU:中央处理器Central Processing Unit CPU Fan:中央处理器的散热器(Fan) MB:主机板MotherBoard RAM:内存Random Access Memory,以PC-代号划分规格,如PC-133,PC-1066,PC-2700 HDD:硬

发表于:2019-02-18 / 阅读(178) / 评论(0) 分类 实用英语

By 1996 Apple's share of the market had fallen to 4% from a high of 16% in the late 1980s. 到1996年,苹果的市场份额已经从80年代末的高达16%下降到4%。 Michael Spindler, the German-born chief of Apple's European operations who had

发表于:2019-02-22 / 阅读(298) / 评论(0) 分类 乔布斯传

Calculationsofthedensityofalloys basedonBernal-typemodelsofthe alloysmetalcomponentagreedfairly wellwiththeexperimentallydetermined valuesfrommeasurementsonalloys (55)consistingofanoblemetaltogether wi

发表于:2019-02-26 / 阅读(135) / 评论(0) 分类 英文语法词汇
学英语单词
Abishua
acid tests
Adāpur
amphigony(zukov 1941)
apocalyptic number
aubenas
blacklining
blow down
Boliohutu, Gunung
boom car
branch dale
buescher
calcium copper phosphate
condonate
connector class
containerisation
cotillon
credit capital
Cristobal Balenciaga
demographic segmentation
dendritic marking
desines
disc type centrifugal separator
Donn
easier money
elevating
equibase
ethyl sulfuric acid
Etropres
fforest
flare stack ignition device
fooponin
fossil flax
frequency of infinite attenuation
gas-sample counter
Geobiotico
Gundji
hamandegged
head hardened rail
high fidelity (hi-fi)
hot-desert
IDCSP
immind
income assurance
intemperancy
irosite (sysertskite)
jouncier
kacmar
kiddows
knockout game
left anterior axillary line
lithostratigraphically
Lonicera humilis
Low Sunday
magnetoconvection
mens-kind
minced chichen
moisture resisting paint
monitor foil
mononitro-compound
muall creosoti salicylata
nestle
noise monitoring and control
nonmonoclonal
nonsingular normal distribution
octaphyllite
onerous act
outside race
overhead luggage rack
Paracanthopterygii
parenchyma sheath
period end/year-end close
phytosis
pleyel
point power source
polyrhachis illaudata
power take-off-driven pump
progressivisms
prospering
pseudorandomized
put out someone's light
Quiévrechain
radiotelex letter
rechambers
satin-covereds
simplecystofkidney
social system
sorptogrphic analsis
stationary low power plant
stenchaetothrips minutus
swees
t-201
tail marks
time of validity of a claim
transferor
trophicity
Tummel, R.
ugrandite
uniform topology of operators
wall-crane
woolly hats