蒸汽吸收

If the salinity of ocean waters is analyzed, it is found to vary only slightly from place to place. Nevertheless, some of these small changes are important. There are three basic processes that cause a change in oceanic salinity. One of these is the

发表于:2018-11-28 / 阅读(259) / 评论(0) 分类 新概念优美背诵短文50篇

Rainforests exist because it rains a lot and that makes forests grow, right? Well, not so fast. What if its not the rain that makes the forests? What if its the forests that actually generate the rain? That is the contention of a paper in BioScience

发表于:2019-01-08 / 阅读(64) / 评论(0) 分类 Scientific American(五)月

New design produces flexible panels using only 1-2 percent as much silicon Art Chimes | Washington, DC 19 February 2010 You can use 100 times less silicon. And that's potentially very significant. Harry Atwater Schematic diagram of the light-trapping

发表于:2019-01-13 / 阅读(63) / 评论(0) 分类 VOA标准英语2010年(二月)

BEIJING, Oct. 21 (Xinhuanet) -- A team of European researchers announced that they have found vast water vapor out of our solar system, according to a study in the U.S. journal Science Friday. Using Herschel Space Observatory, a European Space Agency

发表于:2019-02-09 / 阅读(63) / 评论(0) 分类 英语新闻

What the Student Say in Science Classes 自然科学课上学生们都说了什么 The following quotations were gleaned from classroom discussions in 5th and 6th grade science classes. 下面的这些话都是从五六年级的自然科学课的课堂

发表于:2019-02-17 / 阅读(43) / 评论(0) 分类 英语小达人

There are 320 million cubic miles of water on Earth and that is all we're ever going to get. 地球上有13亿立方公里水,这是全部。 The system is closed: practically speaking, nothing can be added or subtracted. 系统已经关闭,说得明

发表于:2019-02-25 / 阅读(59) / 评论(0) 分类 万物简史
学英语单词
a swell at tennis
acrylic modified vinyl perchloride enamel
aerial input
aerothorax
allotriomorphic crystal
alopecuruss
american modern dance caucus (amdc)
ancestorists
annihilatings
appliqued
barats
Bathypteroidae
Brown Hat
church concerto
closed assembly time
common fraction system
condenser-to-lens distance
contingent assets
cybertron
dalang
dead airs
democratic election
diabatic two-phase flow
drill plates
dystric gleysols
emissiontype tube tester
Erdi
erythrites
flank profile
fundus vesicae felleae
Gentiana scabra
geranyllinalool
greavess
gub
half-period lune
Hodeida
hub cannon
Iloilo Str.
inherent danger
initial terminal program
instant Java
intercostobrachial nerve
international monetary fund agreement
invisible cutting
iron oil drum
isodrimenin
Karaksar
Kollund
laboratory procedure
macintoshed
makeup of import
mammary neuralgia
Mietens
monochromatic emissivity
monochromatic optical pyrometer
morus atropurpurea roxb.
non-instrumental
occupated
Oriel
oumber
paper napkin
paper-backeds
pipple
poeciloblastic
polymeric ligand
preparation roadway
price at factory
prograded
pulse falltime
recirculation water pump
refractory fibers
retinogenesis
return to document
Rhynchanthus
risk capital
S.africa
sammy
school-rules
Schwarz's test
scientise
search criteria
second month of summer
set attribute order
soldered thermoelectric refrigerating unit
solid-state microwave circuits and devices
spectrum level
spindle-cell
spoken through our nose
statical head
steel bar cutter
Taylour
thanks for your help
thorez
Tréon
tubular pump-turbine
twining herb
uncomeatable
underwing coverts
unipart
user workspace
white lead paper
winking reflex