[化] 易熔合金

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(131) / 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(77) / 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(101) / 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(117) / 评论(0) 分类 名人励志英语演讲

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(119) / 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(102) / 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(178) / 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(151) / 评论(0) 分类 VOA标准英语2010年(八)月

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(171) / 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(135) / 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(110) / 评论(0) 分类 英语新闻

BELT 腰带 BINDING TAPE 捆条(包边) BOW 蝴蝶 BOW-TIE 蝴蝶结 BUCKLE LOOP 钮圈 BUTTON 钮扣 CARE LABEL 洗水唛 COLLAR RAB 领袢 COLLAR STAY 领插竹 CONCEAL ZIPPER 隐形拉链 CONTENT LABEL 成分唛 CONTRAST COLOR STITCHES 撞色线 COTTON STRING 棉绳 ELASTIC 橡筋

发表于:2019-02-18 / 阅读(93) / 评论(0) 分类 英文语法词汇

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

发表于:2019-02-26 / 阅读(117) / 评论(0) 分类 英文语法词汇
学英语单词
aeriduct
all dog clutch transmission
American-style option
anglet
arable area
arizonarepublic
artificial monopoly
as fine as a fiddle
atemporals
Ballabgarh
big bang theories
body-disposal
bourdon tube
bowdlerisation
buboed
ceratium vultur sumatranum
charles coulomb
christal
Civil Service Act
cricket fields
death-gene
deflection front
design of sample
dextramer
double strength fertilizer
elevation cable wrap
eucosma
fiber optic transmitters
flush-mounteds
follow your dreams
foreign affairs department
full ahead both
Gamma bottle
gene knockin technique
geopause satellite
glossary index
gore area
Hemiramphus
hombas
Huoxiang Zhengqi Shui
idwals
in a tight corner
information on oath
inner basin of levee
integrated community view
ionian orders
job-control
Levirate Law
lime brick
lms algorithm
load range
long line platform moulding
malleus
masondre
microflash
msis
mwana
myelofibrotic
nonintrusive
octagynous
octomitidae
of respiration diagram
Oku-sangai-dake
open-circuit time constant
parashiyot
periaster
phosphotidats
picryl amine
place name
plan monitoring
polystichum acuminatum
presentation form
psilocephala obscura
quill knob
r-f current
rapid circulation
receding galaxy
recipient countries
reconstructive mortician
rhinoscope
ribonuclease protection assay
roof plan
Royal Ontario Museum
semi regular space
sensorimotor regions
shammish
splitted
stealthy coating
superromantic
Switch, knife
taeniacide
tergiversators
thin coat
through-carved work
uba
ultimate landform
ultrastrict
unask
us armor
useful picture area
water-supply pump