熔化极电弧焊

This is Scientific American's sixty seconds science, I'm Christopher Intagliata. Got a minute? Instead of installing solar paint on your roof how about just giving a house new paint job of cause you'd have to sure to use solar paint. That's what to a

发表于:2018-12-02 / 阅读(89) / 评论(0) 分类 Scientific American(十二)月

Bacteria Discovered To Recharge Cell Phone A microbe called Rhodoferax Ferrireducens,found in the mud at Oyster Bay,Virginia,has been discovered to transfer electrons directly onto an electrode

发表于:2018-12-18 / 阅读(63) / 评论(0) 分类 有声杂志阅读

Time for M.I.T.s Clean Energy Prize. The annual competition gives teams of university students a chance to compete for $200,000 to kick-start their new clean energy business. One finalist designed a compression technology for natural gas wells that w

发表于:2019-01-02 / 阅读(265) / 评论(0) 分类 60秒科学

This is Scientific Americans 60-Second Science. I am Cynthia Graber. This will just take a minute. Solar panels typically convert sunlight into electricity or heat. But photosynthetic vegetation converts sunlight into chemical energy. Now M.I.T.s Dan

发表于:2019-01-04 / 阅读(72) / 评论(0) 分类 Scientific American(八)月

bulk head 散货船 cross deck 过桥甲板 tugboat 拖船 freeing-port 舷墙上的流水孔 barge 驳船 dead weight 载重量 oil tank 油船 tonnage 吨位 container vessel 集装箱船 stern 艉部 pusher 推论 sterm frame艏柱 ferry 轮渡 mi

发表于:2019-02-08 / 阅读(250) / 评论(0) 分类 实用英语

质量合格证书 certification of fitness 原材料 raw material 底板 bottom plate 垫层 cushion 侧壁 sidewall 中心线center line 条形基础 strip footing 附件 accessories 型钢 profile steel 钢板 steel plate 熔渣 slag 飞溅 weldin

发表于:2019-02-15 / 阅读(81) / 评论(0) 分类 实用英语
学英语单词
-gea
acceptable environment
acetylphenetidin
adult-child
Airacomet
alanson
algal zone
amarins
anathemise
Androsace alchemilloides
aspondyl
auxiliary process time
Bjergby
boom rest
Brachystegia
cavity angle
cell constituent
cement gun
character code table
Chojnice
coal non-caking
cold-laps
continuity concept
current feed-back amplifier
cut-off machine
dilaniation
Dutch Republic
enginebuilding
equal-loudness contour
fifty-one a.r
Financial Reporting Standards
flaw size
fornix conjunctivae
foundry mould
free-stream Mach number
fundamental error
geezers
hackest
horsefish
hydrocarbon refrigerant
hystricomorphous
impact acceleration
impulse regenerator
incidence coefficient
increasing in yield
infinite bus
inken
intangible benefits
jackwood
Kalamein door
Komar'ye
Lillerφd
limonia (dicranomyia) soradida
linscomb
loading error
lobing
lythranine
Lyulyakovo
make an appointment with
mass axis
matidia spatulata
medium torn grain
Mittyesque
Mussaenda kwangsiensis
nafertisite
necroscopic
neverest draw-off mechanism
olibian
orexinergic
orthoevolution
outgambling
parametric
pentonvilles
pericoronal abscess
periodic sequence
play-yard
protection of goods
putridnesses
remote indicating rotameter
roady
ruttiest
screte
solid map
standard frequency signal
Stanleystad(Kisangani)
static air temperature
strain proof
suberins
syn (synchronization)
tangential maneuver
terrace mire
torque sensing
total control lock
two dimensional space
unloosen
unvalenced
veggie dogs
vital record
voice-operated antisinging device
wallodi weiball law
Welander's ulcer
white antimony (valentinite)