酸性电解

This is Scientific American's 60 Second Science. I'm Steve Mirsky, got a minute? The Meridiana Planum region of Mars once had water that was really soft and highly acidic, conditions in incredibly hostile to any life forms that we know about. So any

发表于:2018-12-24 / 阅读(367) / 评论(0) 分类 Scientific American(二)月

Hungry Lasagna So you made lasagna last night, and it was delicious. You saved the leftovers by wrapping aluminum foil over the top of the pan, and putting it in the fridge. When you get hungry today, you go to look for that lasagna, but it looks lik

发表于:2018-12-31 / 阅读(294) / 评论(0) 分类 英语听力文摘 English Digest

Fish raised in the more acidic seawater that would result from higher carbon dioxide levels forget to flee predators. More carbon dioxide emissions lead to more CO2 dissolving in the oceans, which turns the water acidic. Those sour seas slow the grow

发表于:2019-01-02 / 阅读(254) / 评论(0) 分类 60秒科学

More carbon dioxide emissions lead to more CO2 dissolving in the oceans, which turns the water acidic. Those sour seas slow the growth of corals. And it turns out acidic seawater also makes clownfish and damselfish suicidally bold and reckless, accor

发表于:2019-01-08 / 阅读(294) / 评论(0) 分类 Scientific American(七)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Landfills produce methanewhich can be valuable as an energy source. But scientists haven't known why landfills make so much methane. The solid waste in

发表于:2019-01-08 / 阅读(409) / 评论(0) 分类 Scientific American(四)月

This is Scientific American 60 second Science, I am Sophie Bushwick, got a minute~ Theyre called hydogels: Jell-O-like materials made of networks of long-chain molecules in water. And theyre as flexible as living tissue. But hydrogels could not recov

发表于:2019-01-08 / 阅读(393) / 评论(0) 分类 Scientific American(三)月

如果你爱喝葡萄酒或经常遇到要喝葡萄酒的场合,学几句高大上的品酒英语尤其重要。 品葡萄酒本节课的重点词汇: 1) wine tasting 葡萄酒品酒会2) tasting flight 品酒序列3) Cabernet Sauvignon 赤霞珠4)

发表于:2019-01-22 / 阅读(269) / 评论(0) 分类 美国文化脱口秀

This week on Why Tell Me Why, we are finding out why the oceans are so salty. So the oceans are salty because the oceans have been around, lets say, for over five hundred million years. And over the course of time what we found out is that weve alway

发表于:2019-01-22 / 阅读(337) / 评论(0) 分类 自然百科2009年

Amygdala's Acidic Aspiration Answer A study in the journal Cell shows that the buildup of carbon dioxide when we stop breathing causes a pH change that signals proteins in the brain to force us to inhale. Karen Hopkin reports. Maybe its happened to y

发表于:2019-01-30 / 阅读(452) / 评论(0) 分类 60秒科学

Don comes up with another entrepreneurial venture, but Yael straightens him out just in time. [Thunder] Y: What are you doing outside, Don? It's about to rain. D: I'm setting up bottles. Y: I can see that. But why? D: For my new business venture: bot

发表于:2019-03-06 / 阅读(390) / 评论(0) 分类 英语时差8,16

Acid Water Yal: What are you doing outside, Don? It's about to rain. Don: I'm setting out bottles. Y: I can see that. But why? D: For my new business venture. Bottled rainwater! Y: As in living plastic bottles out in the rain and then selling them as

发表于:2019-03-09 / 阅读(580) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
aerobic organism
AFPL
afronerd
alcoholic(s)
anesin
assay technique
auto transformer starting
bacteral toxin
bamu r.
baptize into
base consumption of life
bio-degradations
cable lead cover cutter
calceins
cell recepter
Christian years
coil of rope
collision dynamics
coryphene
cost-pushes
crinkle fabric
cualquiera
Culver, Pt.
D. A. T.
depressogenics
diascia
diffusion calculation
dilutional hyponatremia
dimethoxy trityl chloride
disenact
dolerite
due deligence clause
EDC (exceed drum capacity)
equity-warrants
faces-to-back
fix by sounding
focus group study
fringed geckoes
gage reading
gymnoik life phase
healthfulness
hiplike
Histogram-Equalization
huggably
hyperlaxity
I-n-Touft
ice-scoured basin lake
indigofera pseudotincloria matsum.
kettners
kiln pier
kirklevington
lighter flint
maneuvering light
microprocessor balance
misdetect
moving weight stabiliser
multiloads
myocerosis angiotica haemorrhagica
naphthyl acetylene
newsted
nozzle internal flow
number of equivalent binary digits
on-disk structure level 1
ophio-
outside tunnel control survey
overflow cascade washers
parallel transmission of information
penultimate ventral segment
perithelial
phenylthiohydantoin
polyvinyl chloride plastic welding rod
portagues
protecting casing
Ptilinus
redemption fee
regime of river
retraumatize
Ricardo, David
Schamberg's disease
sea launching missile
serious error condition
sijitus
skin stressed structure
sparve
specrtum
spiral stabilization
statement
suspicioning
Suwayqīyah, Hawr as
swashbuckles
theanthropy
three axle gear
thryss
topsite
united states-canada free trade area
upper head injection
UV EPROM
variation in diameter
washingtonpost.com
West Lincoln
yellow jerseys
yellow-bellied