二元素合金系统

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(52) / 评论(0) 分类 英语听力文摘 English Digest

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(54) / 评论(0) 分类 名人励志英语演讲

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(41) / 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(115) / 评论(0) 分类 2016年VOA慢速英语(二)月

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(64) / 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(38) / 评论(0) 分类 英语新闻
学英语单词
abandonment in extractive industries
agamic reproduction
agar electrophoresis
air bottle
alatri (aletrium)
albedony
alizarin blue abs
archaea domain
aristotie
army-ant
associated virus
astragals
Ban Thabôk
Barmouth Este
brevissimus oculi
certify teacher
circulation of vortices
claos
coal sprinkle
command string input line
common-mode interference
congestive headache
consent search
constructive interference
contrast-enhancement
cookie dough
credit with soft clauses
cryosprays
curvilinear regression of second degree
disintegrative
dorsalis tabes
double-circuit three-phase line
drag-and-drop
drastic diuretics formula
Edingley
electrooptical ceramics
embossed plush
epilachna hendecaspilota
eye charts
feed pump suction
fire houses
first-degree discrimination
fishing haven
georgesons
gingham check
grinding of teeth
horsepersons
imperturbability
infective sarcoma
institute of internal auditors
isobaric energy transport
jai
josiah quincies
karst limestone
Kirkby Malzeard
lapidite
lavra
linguistic model
mechlorethamine
mfat
microsphyxja
modern antique
monkeyface
most-favo(u)red licence clause
mulherns
nephropyelolithotomy
nordheim's rule
numerically controlled layout machine
observation deck
off-fall
on-stream time
padding of oscillator
planting early maturing varieties of soybean
primary head
print-out mask
printing houses
punchlike
ramarana myrtle
rectoresses
reordering transformation
request monitor
Rubus irritans
send-request unit
skeptical spirit
sleeve resection
sound pressure equalization
spectral separation
strunty
symptom of estrus
tracheate
trochilics
Tumut
ultrasonic standard
uni-processors
unpartitionable
virussafe
windowless rooms
witchhazed
Woolsington
world telecommunication policy forum
zetameter
Zhourong