酸性蛋白

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(53) / 评论(0) 分类 Scientific American(二)月

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(55) / 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(106) / 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(55) / 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(50) / 评论(0) 分类 美国文化脱口秀

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(143) / 评论(0) 分类 60秒科学
学英语单词
acne tuberata
active solvent
Adelphocoris lineolatus
advanced maneuering demonstrator aircraft
asphyxiation
astochia inermis
automatic gas cutter
average sound power
barges fleet
blow back gun
bonsor
cat(-)whisker
cavern? corporis cavernosi
chemicals treatment of seed
cocostearin
conditional Slutsky elasticity
counter-ion adsorption
counterweighing
ctor
culex
currijongs
cyclic electron transport
dermatozoa
dichlorobenzaldehyde
Disepron
dont
duskened
equilibriums
family meloidaes
Fargesia farcta
farming industry
fenigsen
foils
gay-wad
genus thrinaxes
go bung
goniatitic suture
granitational equilibrium
gurwitz
haphazard weight
holsinger
horizontal square-set system
hydroxystenozol
integrated control system (incos)
intravenous pyelogram
inventative
JWI
kanarek
knee action
last detail group
loftier
man-slut
mercuric thiocyanide
methylamine
minimum flight altitude
most popular
non volatile lubricant
outsleep
Pedionomus
plevnas
pmch
positive infinitely variable unit
production water-oil ratio
Proto-Austronesian
pudding grass
radauite (labradorite)
radioactive cobalt
reasoning program
regular transmission
salting-in
sawamatsu
screw nipple
shell fragment
shifting nursery
side bearing arch
slice coloring
snoop around
source of failure
spirital
spring shackle bar
squeeze mouding
sulfur coal
supervisor call interruption
supervisory control and data acquisition system
switchknife
symmetrical channel
tapping screw
telecom-equipment
terebenthene
text delay
Todd River
tropic easterlies
twistfication
uncynical
wassat
who is that
worm clip
WRENDA (World Request List for Neutron Data Measurements)
X-ray double crystal analysis
X-ray oxidation
yard sanitation
zone-refining