多阳极汞弧整流器

The Mercury Mess By Samantha Levine / 2004, as first appeared in U.S. News nbsp; What are the dangers of mercury in fish? Can the mercury mess be cleaned up? 1 Are these fish safe to eat?” It’s a

发表于:2018-12-19 / 阅读(48) / 评论(0) 分类 彭蒙惠英语

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

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Common batteries are electrochemical cells. And they may get better thanks to living cells: the multicellular organism called brown algae. Lithium ion

发表于:2019-01-08 / 阅读(81) / 评论(0) 分类 Scientific American(九)月

唐顿庄园第一季第四集_2 [INT. KITCHENS - DAY] ANNA Ugh. MRS PATMORE You've got a cold, I want you out of here. MRS HUGHES Anna, there you are. You know I'm out tonight, because I don't want to come home to any surprises. MRS PATMORE (laughs)

发表于:2019-01-29 / 阅读(341) / 评论(0) 分类 唐顿庄园第一季

SCIENCE IN THE NEWS - Mercury in Fish / Life on Land / The Goldman Environmental Prize By Broadcast: Tuesday, May 11, 2004 (THEME) VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm B

发表于:2019-01-30 / 阅读(189) / 评论(0) 分类 科技之光

By Paul Sisco Washington, DC 15 February 2008 Scientists have started analyzing data and images acquired when the Messenger space probe passed within 200 kilometers of the planet Mercury last month. It was the first flyby of the solar system's inner-

发表于:2019-02-06 / 阅读(78) / 评论(0) 分类 VOA常速英语2008年(二月)
学英语单词
aa. perforantes
all round athletics
aminoids
answere
arms of office
aviation clock
banner rotator
BARCIS
be free of
beef marrow fat
biopacing
bounce resonance
bulisa
Burgenland, Bundesland
Cardiazem
casas de juan nunez
cherry bombs
Chungam-dong
close-ratio gearbox
co-axial drive
Corydalis ischnosiphon
countable product
countertop
cradiotachometer
crustal motion
dinn
disc-shaped micelle
DL-Thyronine
double-loop to-and-fro bi-cable ropeway
double-think
dry finish
dual-attached connection
duralmin
ectrogenic
effective buoyancy
existing product
extrapolated Curie temperature
Eyes of Blue
family cicindelidaes
family viewing time
ferrous rhodanate
flare puff
flared
fomenting
goetschies
hi-tech board
ideal resistor
image degradation model
incisal protrusion
integrative jurisprudence
international relative sunspot number
journalise
Kaukau Veld
Kochia iranica
lackered
lot plot method
maximum ambient temperature
mixed-bed
natural secant
needle pushing-up device
neohippie
neutrophil cell hemolysis test
nonagonal
OLEORES
operating weight measurement
preference share
project performance
pube styling
put somebody's back up
quadritubercular
queem
querying database
regulator organism
repointed masonry
reqs.
ronge
satin finishing
shalln't
ships manifest
single partition
single-case
single-pass compiler
solid end cylinder
space guide rod
spare no efforts to
stationary-opening seed metering device
strainer head
straw softening machine
sublieutenants
super-lawyer
surging shock
sympathetic paraganglioma
T cell helper factor
take turns doing
tension rope
tension tower
traveled distance
typeholder
un-united
uphoarded
Viburnum L.
yoted