硝化磷酸盐

pH - a measure of how acid or alkali a solution is. As the pH gets lower, the solution is more acid. At a pH of 7 the solution is neither acid nor alkali. pH is the inverse of the logarithm of the con

发表于:2019-01-03 / 阅读(59) / 评论(0) 分类 医务英语

分集介绍:导数,斜率,速度与变化率 Derivatives.slope.velocity.rate.of.change

发表于:2019-01-05 / 阅读(279) / 评论(0) 分类 麻省理工学院公开课:单变量微积分

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Batteries of the future need to deliver more energy, and they need to be smaller. Researchers at MIT think they have developed a technology that can, a

发表于:2019-01-08 / 阅读(78) / 评论(0) 分类 Scientific American(四)月

[全屏观看] 点击右键- 另存为 可保存这个Flash影片 Silly Sausage是Nitrome于2011年5月28日发行的一款益智类游戏,它是以香肠在尽量不碰到其它损失生命物体的情况下吃光所有的钻石再到达终点为标

发表于:2019-01-08 / 阅读(136) / 评论(0) 分类 英语对接游戏

HEALTH REPORT - New Heart Drug Shows Promise in African Americans By Cynthia Kirk Broadcast: Wednesday, November 17, 2004 This is Bob Doughty with the VOA Special English Health Report. Heart failure

发表于:2019-01-30 / 阅读(78) / 评论(0) 分类 健康与经济

Today we go on a journey. It starts in Sweden over 100 years ago; and then moves to London; and finally moves to future worlds and other planets. But we start in Sweden. Alfred Nobel spent his life finding ways to blow things up. He was born in 1833

发表于:2019-02-19 / 阅读(62) / 评论(0) 分类 听播客学英语
学英语单词
acquisition criteria
adder's tongues
AND operation
Angiodysplastic
angles back to back
anti-bumping device
anti-platelet
antifreeze protein
Arksjö
assisted area
at&t(american telephone and telephone company)
Ban Nam Chan
barrel racers
bourgeois democracy
carriacous
clear for action
come in view of
corporate woodwork
current frequency
data input from terminal
de-hornings
define storage statement
DeLavar centrifuge
destruens mole
diagram-chases
diallyl-tartardiamide
dicranum majus
diggish
Dio Cassius
distal tuberosity of phalanx
ear rings
experimental oncology
factory load
first-movers
five-color theorem
flask trunnion
Gymnopilus validipes
head-dress
hemadsorption inhibition test
hepatoencephalopathy
hepsometitis some
HRIP
hydraulic propulsion unit
incipience, incipiency
intensified
isum
k homogeneous grammar
kentish rag
klaprothite
klesko
Kwau
last bottom margin
market-orientated industry
mediaplayer
medium density hay press
Microhoo
milit.
mozied
My Hanh Trung
myeloid insufficiency
Olongo
online courses
overlapped memories
palm-sized
patronizable
peril point clause
plottering
practical system of electrical units
precautionary
prunus communis var.fragilis schneid.
quartz-crystal subaqueous microphone
raster blaster
recompeting
rotation of cropping
RTS (reactor trip system)
ruddy-cheeked
Sacramento National Wildlife Refuge
San Matias
sand figure
Schwalbe's fissures
second-order predicate logic
semantic sequence
sideloop
source partition
spray can
steepest ascent
stewartiana
supernumerary carpal bone
suspected case
T-bandage
take to sb
Tel'mana, im
the will of the people
tobacco streak virus group
triorganotin
two by two
union intersection principle
Visclar
warm runner plate
young topography
zend-avestas
zone of discharge