红外玻璃板发射 器

This is Scientific Americans 60-Second Science. I'm Cynthia Graber.This will just take a minute. Imagine giant fields filled with photovoltaic solar panels, soaking up rays. The best spots to put such panels are obviously sunny, with little rain. But

发表于:2018-12-24 / 阅读(25) / 评论(0) 分类 Scientific American(八)月

太阳能电池板能通过自发电脉冲震落其灰尘,以确保最大限度的获得光照。 Imagine giant fields filled with photovoltaic solar panels, soaking up rays. The best spots to put such panels are obviously sunny, with little rain.

发表于:2019-01-02 / 阅读(74) / 评论(0) 分类 60秒科学

This is Scientific Americans 60 second Science. I'm Sophie Bushwick. Got a minute. Champane, do you drink it out the narrow flute or the the broader, more shallow coupe ? You may notice that your perception of the buble wine chaneled gas escaped from

发表于:2019-01-08 / 阅读(45) / 评论(0) 分类 Scientific American(二)月

This is the VOA Special English Development Report. Millions of people around the world cook their food over a smoky fire every day. It is often difficult to find wood for the fire. People who do not have wood must spend large amounts of money on co

发表于:2019-01-11 / 阅读(56) / 评论(0) 分类 VOA慢速英语2008年(九)月

Large Windows Could Capture Solar Energy 利用大窗户吸收太阳能 Solar cells have been around since the 1950s. But now there is a race to develop transparent solar cell that can cover windows of buildings and still capture the suns light for e

发表于:2019-01-12 / 阅读(59) / 评论(0) 分类 2016年VOA慢速英语(八)月

High-Tech Material Cools Buildings, Sends Heat Into Space 高新技术材料给建筑降温,将热量送入太空 Researchers at Stanford University have developed a new material that can move heat out of buildings and into space. The researchers say

发表于:2019-01-12 / 阅读(48) / 评论(0) 分类 2014年VOA慢速英语(十二)月
学英语单词
actour
air core reactor
allopolyhaploid
ambulance-chasers
aminoadenosine
ariens
asynchroneity
be poised for
bedungs
bimarian
bismuth tetraoxide
brake staff
bucking chain saw
bum la
cementing agent
coastwatches
cold-front thunderstorm
coordination area
cow man
critical path test generation
damper link
degenerate to
dipolar adsorbent
district-wide
double counterpoint in the tenth
dummy antenna
epicyasterone
exploitation
float mareograph
flow programming high performance liquid chromatography
fob-watch
friable particle
gee-dunks
Gibberella fujikuroi
gravity transfer
He owns a hotel
hypobatholithic
immobile block
in forma pau, pe, ris
initial cross velocity
international terrestrial reference frame
jawbreaker
Jädraås
lapis
lever scale
licenser
liplock
long version
Lubi
maesa perlaria formosana
measurement of hole
merchandise shipped on instalment sales
microthemes
migrant shrike
mill aisle
minor limit
misreports
N.C.I. mixture
nentsies
no admission
ORMC
Pekar test
peradeniya
physical purity of seed
platform and stake racks truck
play foul
prelum
radio frequency plasma enhanced chemical vapor deposition
representationality
resaleable
richard wagners
rock kindred
sale in gross
sapropelitic
scantling gauge
second working
sequential observation
shemerand
software through pictures
solosympodiella phyllostachydis
souvenir hunters
Spbaeranthus indicus
speed matching buffer
spirochaetal
stock fraud
street entertainment
subtrochanteric
summer-tower
switch value
tax write-offs
the S statue of Liberty
three-cup anemometer
time independent
totality
traumastheina
two bearings and run between
United States of Europe
United States station
unpleasant smells
vrindi
wayland the smiths
xanthine base