张力感受器

40 Cohesion-tension Theory Atmospheric pressure can support a column of water up to 10 meters high. But plants can move water much higher; the sequoia tree can pump water to its very top more than 100 meters above the ground. Until the end of the ni

发表于:2018-11-28 / 阅读(273) / 评论(0) 分类 新概念优美背诵短文50篇

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will take just a minute. Spend any time in a bar, and sooner or later youll hear, Ill have what shes having. It sounds like a bad pickup line, but there may be an actual biological

发表于:2018-12-24 / 阅读(38) / 评论(0) 分类 Scientific American(七)月

This is Scientific American's 60-Second Psych, I'm Christopher Intagliata, got a minute? While at Stanford in the mid-1960s, One Flew Over the Cuckoo's Nest author Ken Kesey started adding a peculiar ingredient to his home-cooked venison stew--LSD. N

发表于:2019-01-08 / 阅读(77) / 评论(0) 分类 Scientific American(三)月

Leptin is a hormone made by fat cells that tells you when you're full. If you didn't have leptin---and some people don't---youd eat way too much, get real fat and almost certainly develop diabetes. Leptin acts like a natural appetite suppressant. Kid

发表于:2019-01-08 / 阅读(76) / 评论(0) 分类 Scientific American(六)月

Science and Technology Epigenetics and stress Baby blues 科技 外因遗传与压力 新生儿蓝调曲 A mother's stress while she is pregnant can have a long-lasting effect on her children's genes 母亲孕期压力过大会对孩子的基因造成长

发表于:2019-01-26 / 阅读(58) / 评论(0) 分类 经济学人科技系列

Okay. 好了 So what is the daf-2 gene? 那么daf-2基因到底是什么? Well as you know, genes, which are part of the DNA, 正如大家所知,基因是DNA的一部分 they're instructions to make a protein that does something. 它们是经编码

发表于:2019-02-14 / 阅读(49) / 评论(0) 分类 TED演讲科学篇
学英语单词
adenoameloblastoma
afterwind
Akkajaure
Alenconnes
anorgasmias
anticlass
arteriae frontalis medialis
Bang.
beam sourse
beat someone black and blue
bip-8(bit interleaved parity-8)
Black Angus
bronze cage
Carsonville
chemical hygrometer
CISC
cleans house
compact plant
condensate purification
DACPM
deductible allowance
delay release
dezionize
die sinking machine
disc (bowl) centrifuge
disinthrals
draughtsmanships
electric pipe cutter
elevator control gear
elope with
envelope match
escape sb.'s lips
essentially self-adjoint operator
ever-younger
explanatory note
falconids
fast setting cement
freight label
garden and park
gem-faced civet
Hedeoma
indexable insert tip dual-face lapping machine
inductance bridge flowmeter
inhabitator
interstage shielding
isopia
Kamadrin
lane loss
Lavandula stoechas
ligged
log trip
Lord Commissioner
manufacturing burden account
marrow spoon
massacry
Megamerinidae
modern churchman
multi-threshold cmos
multiple branching
musculi transversus thoracis
Neo-gawa
porcair
primordial sea
program linking
projection method a
put ... hands together
pygmyish
quality insurance system
quandrary
radiation protection medicine
receiver primaties
rice grader
richweeds
schminckes
Schwarz board
scrapped
semi-reinforcing agent
sero-mucous cells
Seymour R.
share-line
shark-diving
silk grasses
size screen
sniderman
soil improvement
sparrowhawk
stable isotope indicator
stand by you
static-pressure compensation
sub accountant
sympathetic telecontrol
synthetic display
Thmey, Koh
Timaxel
titanite (sphene)
traffic signal boxes
universal indicators
well stripper
width of land
wind deflection
worm shaft and gear type