【物理学】 关于热是物质的学说

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? To keep your car purring, you have to change the oil. Such maintenance produces eight billion gallons of used motor oil annually. Some waste oil does get re-refined to pro

发表于:2018-12-24 / 阅读(73) / 评论(0) 分类 Scientific American(三)月

MR CAVORS FLYING MACHINE When I first met Mr Cavor, he was about to finish building the machine in which he planned to travel to the moon. As it had neither wings nor an engine, I was amazed and asked him how his machine could fly. The secret lay in

发表于:2018-12-29 / 阅读(116) / 评论(0) 分类 人教高中英语高二

Mr Cavors Flying Machine When I first met Mr Cavor, he was about to finish building the machine in which he planned to travel to the moon.As it had neither wings nor an engine,I was amazed and asked him how his machine could fly.The secret lay

发表于:2019-01-09 / 阅读(197) / 评论(0) 分类 高中英语听力人教版第二册

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

59 美国科学家正试图培育抗叶锈病小麦 DATE=6-19-01 TITLE=AGRICULTURE REPORT - Developing Wheat Resistant to Leaf Rust BYLINE=George Grow (Start at 59

发表于:2019-01-30 / 阅读(67) / 评论(0) 分类 科技之光

The Heat Is On 热传递,是热从温度高的物体传到温度低的物体,或者从物体的高温部分传到低温部分的过程。热传递是自然界普遍存在的一种自然现象。只要物体之间或同一物体的不同部分之间

发表于:2019-03-09 / 阅读(88) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
a family skeleton
adminicular
ammonium chromium(iii) sulfate
amphophil cell
antisthenes
assembly work
banding technique
Beijing
bowt
breccia dike
capacity utilization
capsula cordis
Cerf, Bennet (Alfred)
Ch'ǒn-am-ri
chlorotrianisene
coadsorbing
continuous feed wringing machine
counter-influence
Cozar
Data-over-voice.
defensibilities
denudatum
Depigman
dielectric dry test
dimethomorph
elepaio
endevors
erythropterus
examination of colostrum stain
fineness meter
flashlightfishes
float type level gauge
fluid cooler
free(unbound)thyroxin(e)
gamble fund
good technical condition of vehicle
Group Policy
group unit
harlem renaissances
herbicidally
historied
holmans
home-sewn
homegrown software
house of councill ors
ice strengthened tanker
incomplete hemianopsia
infinitely near point
intending
internal friction angle
irregularity under train load
itinerarium
justs-in-time
ken-kind
Kilima
lightheaded
lightning pains
lymphonoduli aggregati processus vermiformis
m. obliquus auricul?
malaised
market schedule
matrimonize
mattagess
midiphage
multi-manager
Nanashigure-yama
Ney's chart
ocean transportation insurance
outgoing material
overlay accuracy
phenyltropanes
pikeperches
preferential oxidation
primary lead-out
pulmonary arterial pressure
QEA
Saha ionization formula
sallam
sanitation inspector
sea tac
solution of triangle
sphenopalatine syndrome
sporrans
Stelleroidea
sub - machine gun
substantial progress
Sujāwal
supermanoeuvrability
surface reaction control
theatry
thrust springs
tidal currents
tmdls
to come into existence
tooth core
transcendental realism
trapezoidal notch weir
uphove
useful dead weight
video-maker
Weildorf
wkend