[机] 氧化铝载体

alumina supporter的用法和样例:

例句

  1. The physical and chemical properties of the magnetic alumina carrier satisfied the need of the catalytic hydrogenation of nitrobenzene and n-hexene.实验中制备的磁性氧化铝载体的物理化学性能,达到了硝基苯和正己烯催化加氢反应所需的要求。

Greg Flakus The Iowa caucuses held on Monday produced a big win for Massachusetts Senator John Kerry in the race for the Democratic party presidential nomination. Many analysts, however, say the real

发表于:2018-12-08 / 阅读(34) / 评论(0) 分类 VOA2004(上)--美国大选

说一口流利的英语,从简单的单词开始。 听听,读读,背背,今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 fabric [ 5fAbrik ] The cost of repairi

发表于:2018-12-30 / 阅读(54) / 评论(0) 分类 每日攻克5词

I was there because of Billy Jean King promoting an HBO special about women in sports called Dare to compete. It was about Title IX and how we finally, thanks to government action, provided opportunities to girls and women in sports. 我去那儿是因

发表于:2019-01-18 / 阅读(31) / 评论(0) 分类 名校励志英语演讲

China's Foreign Minister Wang Yi said that China will remain a firm supporter of free trade, regional cooperation, and the economic integration of the Asia-Pacific region. He made the remarks while commenting on China's stance towards the Comprehensi

发表于:2019-01-19 / 阅读(39) / 评论(0) 分类 2018CRI中国国际广播电台

By Steve Mort Washington 06 November 2007 People across the United States are gathering at scores of local events to highlight international efforts to tackle infectious diseases. The meetings are part of a celebration marking the 62nd anniversary of

发表于:2019-01-31 / 阅读(28) / 评论(0) 分类 VOA常速英语2007年(十一月)

By Mona Ghuneim New York 07 September 2007 As the sixth anniversary of the September 11th, 2001 terror attack approaches, construction of a memorial and museum at the site of the former World Trade Center has been underway for more than a year. The N

发表于:2019-01-31 / 阅读(73) / 评论(0) 分类 2007年VOA标准英语(九月)
学英语单词
acrobatics
affirmativeaction
airmailed
alismal
ancienter
archaeopteryx lithographicas
attrition value
bachelor's hall
back-bone range
bargaining represent
body packer
Bongyang
boron counter
can-am
cargo in bulk
centrifugal balancing machine
comfort-oriented
concept of natural law
copious effervescence
crown cork
cryophile
drabek
drosophila (drosophila) lineosa
electric-drive
element pair
Eltanin
extraepiphyseal
financial meltdown
finishing groover
first-level interrupt handler
fixed-lead navigation
flytings
forecast of traffic volume
Galois
gardy
glossonym
goes out of use
gripell
guided missile light cruiser
hanging ball
hypanisopanthism
hypophyllus
ice-cap
independent conformity
infantile osteomalacia
insured's date of birth
keen competition
landing chassis
lateral plantar nerve
layman in arc welding
lemcke
LHCP
lipocele
longitudinal-bead bend test
low-energy neutron source
low-speed sand filtration
lycanders
maskerade
math symbols
mediterranee
nephrectomy
Nevadan
number data
oculoaural
odd symmetry
over-nurse
phase distortion correction
poncia
practical reason
Praid
pre-coagulation
preordinances
primitive circle
radiation induced dimensional change
rhabdosomes
ring structure
Rodley
seaworthiness certificate
second-order linear system
seed-scale complex
settlement analysis
skin pass rolling
smash me
solanum jasmoidess
sonar dome
steeple headdress
striae fornicis
superficies right
synthetic aperture optics
tafsir
tauntless
tetramerisation
timopheevi wheat
towed concrete pump
Triletisporites
Trolard's plexus
underrefining
unprincelike
vascularisations
vertical beam width
wood headframe
wuhans