受体电位

INTRODUCTION TO ACT I Today on TUNING IN THE U.S.A., we are on a train going to Washington, D.C. Ellen Stewart is taking Alexandra Pappas to visit the nations Capital. They are, in many ways, like other tourists. They want to visit the Air and Space

发表于:2018-11-30 / 阅读(219) / 评论(0) 分类 欢乐美语

第五篇 感觉器 Section 5 Sensory Organs 概述 Outline Discription esteroceptor 外感受器 interoceptor 内感受器 proprioceptor 本题感受器 receptor 感受器 sensory organs 感觉器

发表于:2018-12-05 / 阅读(221) / 评论(0) 分类 医学英语

HEALTH REPORT - May 22, 2002: Guggulsterone Cholesterol By Nancy Steinbach 21 May 2002, 20:20 UTC This is the VOA Special English Health Report. Researchers say that a natural substance found in some

发表于:2018-12-07 / 阅读(163) / 评论(0) 分类 健康与环境

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(170) / 评论(0) 分类 Scientific American(七)月

LSD is one of the most potent hallucinogenic drugsactive at just around 100 microgramsa miniscule amount. That fact has fascinated pharmacologists for decades. Namely, how can it have such long-lasting effects12 hours or moreat such tiny doses? To fi

发表于:2018-12-24 / 阅读(140) / 评论(0) 分类 2017年Scientific American(一)月

People with a particular variant of a dopamine receptor were more likely to drink more after watching other people drink heavily 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

发表于:2019-01-02 / 阅读(182) / 评论(0) 分类 60秒科学

By David McAlary Researchers have shown that it may be possible to prevent sexual transmission of the AIDS virus HIV with a compound now in the experimental stage. Female monkeys who received it vagin

发表于:2019-01-03 / 阅读(168) / 评论(0) 分类 VOA2004(下)--健康科技

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(219) / 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(205) / 评论(0) 分类 Scientific American(六)月

By Peter Fedynsky Washington, D.C. 19 February 2007 watch Appropriations report On the same day that the U.S. House expressed its disapproval of sending more troops to Iraq, the White House asked lawmakers to approve additional money for Iraq's econ

发表于:2019-01-12 / 阅读(232) / 评论(0) 分类 2007年VOA标准英语(二月)

Promising Target For Malaria Vaccine Identified British researchers have discovered a biochemical key used by the malaria parasite to invade human blood cells. The discovery could pave the way for an effective malaria vaccine. The Plasmodium malaria

发表于:2019-01-13 / 阅读(184) / 评论(0) 分类 VOA标准英语2011年(十一月)

Sepsis is a severe infection that can often be fatal, particularly in obese patients. Now, a new study suggests why obese patients are at greater risk and suggests a possible new approach to treatment. Sepsis is seven times more likely to kill patien

发表于:2019-01-14 / 阅读(138) / 评论(0) 分类 VOA标准英语2010年(十)月

疟疾疫苗研制取得新进展 British researchers have discovered a biochemical key used by the malaria parasite to invadehuman blood cells. The discovery could pave the way for an effective malaria vaccine. ThePlasmodium malaria parasite has a c

发表于:2019-01-14 / 阅读(288) / 评论(0) 分类 VOA标准英语2016年(八月)

I slept last night with my wife but those crazy legs of hers are driving me crazy. Did she kick you in her sleep? Sometimes,but that's not the half of it.She's got this thing called Restless leg syndrome and it makes the legs sort of itch, and the on

发表于:2019-01-26 / 阅读(142) / 评论(0) 分类 英语听力文摘 English Digest

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(211) / 评论(0) 分类 经济学人科技系列

Leptin is a hormone made by fat cells that tells you when youre full. If you didnt have leptinand some people dontyoud eat too way too much, get real fat and almost certainly develop diabetes. Leptin acts like a natural appetite suppressant. Kids bo

发表于:2019-01-30 / 阅读(188) / 评论(0) 分类 60秒科学

Research for new painkiller finds inspiration in chili peppers Naomi Seck | Washington, DC 04 May 2010 Inspired by chili peppers, researchers are working toward a painkiller that could stop the brain from registering the presence of pain. Related Lin

发表于:2019-02-06 / 阅读(147) / 评论(0) 分类 VOA标准英语2010年(五)月

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(183) / 评论(0) 分类 TED演讲科学篇

Ketamine is a horse tranquilizer but also a popular but illegal recreational drug on the club scene. Now researchers in the English National Health Service say it could be a dramatic new treatment for depression. They've conducted a small trial. A mo

发表于:2019-03-04 / 阅读(179) / 评论(0) 分类 英语听力精选进阶版

However, the observation that morphine can decrease social behaviors as well prompted scientists to investigate the connection between the opioid system and social relationships. They compared normal baby mice to baby mice lacking a crucial opioid re

发表于:2019-03-06 / 阅读(318) / 评论(0) 分类 英语时差8,16
学英语单词
allowable deductious
american ballet competition (abc)
amtipodal points
ballon club
basket handle arch
belrose
brandcasting
broadwise broken
BTDA
carbon monoxide detector
chick-sexing appliance
chinghungensis
city planning
CLQSPA
compressor toggle switch
continued(CONTD)
continuous survey of the hull
corona discharge in accelerators
corporate fraud
crossly
cryptotympana takasagona
cyclepath
dairy-types
decagon
deep draught vessel
depth analysis
disc front connection
downscalest
drop up
East Marsh
Eile mit Weile
electric lock circuit
endogenous development
Ephydridae
Eriococcinae
fish genera
fixed head storage facilities
flagitous
flat-black
four-penny nail
fuming rate
grammaticising
homologous lung oxygenation
interactive digital image processing
iodochlorohydroxyquinoline
jelens
killing rolls
kitzbuehel
larvikites
layer coloured
leather sandals
legal hermeneutics
mask ROM
mediate between
metric chart
movable core
multi-chain
neonatal refusal of milk
NitroglycerinFilm
nonoleaginous
oleum anisi
optimal monopoly mark up
over-committing
paliurus hirsutus hemsl.
Palmyreneans
polychromatic nregaloblast
Poroxylaceae
prepacked bearing
proposition letter
Pueblans
punishing road test
pycnolejeunea grandiocellata
remodulated
required supply rate
ribbon tr-ansmission line
Rollet's chancre
rose form the ashes
secondary ground line
seizure-free
shape of cup
ship-wrecks
side paddle-wheel
sintered metal powder
sirinas
standard-type farm tread tire
Taihu stone
tering
tetradecanes
textile finishing
three-party service
toll TV
total-order
trigyre
Tungan
underapplication
upright style
Vena laryngea inferior
venectomy
Volturino
wealth-creators
whoopee cushions
wideband system