施肥制度

10月4日,在瑞典首都斯德哥尔摩的卡罗林斯卡医学院,诺贝尔奖评审委员会宣布,英国生理学家罗伯特爱德华兹获得2010年诺贝尔生理学或医学奖。 85-year-old Englishman Robert Edwards wins the Nobel Pri

发表于:2018-12-07 / 阅读(121) / 评论(0) 分类 60秒科学

They are only a few weeks old, but these octuplets are already the center of public outrage. Los Angeles police say they plan to investigate death threats against their mom, Nadya Suleman. The 33-year-old single, unemployed mother has been getting hu

发表于:2018-12-11 / 阅读(74) / 评论(0) 分类 万花筒2009年

Scientists in Oregon successfully fixed a disease-carrying gene in human embryos. It was the first time this has been done. This small effort could be a big step in preventing inherited, or gene-related diseases. A research team at Oregon Health Scie

发表于:2019-01-02 / 阅读(79) / 评论(0) 分类 2017年VOA慢速英语(八)月

This is Scientific Americans 60-Second Science, I'm Cynthia Graber. This will just take a minute. In vitro fertilization(试管受精) efforts can be helped by oddly enough oral contraceptives .That's the finding from Tel Aviv University, site of the

发表于:2019-01-08 / 阅读(129) / 评论(0) 分类 Scientific American(四)月

This is Scientific Americans 60-Second Science, Im Steve Mirsky.Got a minute? The 2010 Nobel Prize in Physiology or Medicine goes to 85-year-old Robert Edwards of England, for the development of in vitro fertilization. The Karolinska Institutes Chris

发表于:2019-01-08 / 阅读(95) / 评论(0) 分类 Scientific American(十)月

BEIJING, Aug. 22 (Xinhuanet) -- Researchers have discovered how a human egg captures an incoming sperm for fertilization, paving the way to help couples suffering from infertility, according to media reports on Monday. An international team of resear

发表于:2019-02-08 / 阅读(123) / 评论(0) 分类 英语新闻
学英语单词
airtight
Albeean
anazoturia
antennulae microvillares
anti-Stokes component
anticonservative
Astrakhanians
attributions
bark blazer
basis of assessment
be recognized by their characteristic shape
box plots
broodthaers
Cabutunan Pt.
clarinetists
coelialgia
col-factor
common ancestor
creatrices
Côte d'Argent
diagonal of a polygon
dishlicker
division communication system
draught centre
early-day
elective affinity
electromagnetic rotation
explosive cutting
female spline
finger exercise
flamm-
floor rack
follow the line of least resistance
food attractant
formats
fossil submarine canyon
Gleasondale
Gowers'phenomenon
grainovator
greenstone belts
higher-order harmonic
hilum nuclei dentati
hose beast
Hung My
integrity control software
internal rebunching
iodum
ion species
jiffy
latchkey kid
little swimmers
loan flotation
looking-glass plant
malvastrum spicatum a. gray
matess
megalaspis cordyla
mesityloxy
mid-continents
morphological identification
muscleblinds
nanton
oil feed injector
outlet corridor
palpbra tertia
peragrations
perked up
polydactylus sexfilis
program development job
projectized
quadrantal altitude
recovery ceiling
rock sunfish
romantico
Samdech
San Javier, R.
scope of service
self-hold circuit
self-scanning diode array
serial type of task
sichialgia
slag-heap
speedometers
Spirochaeta novyi
stenniss
stimulus intensity
super coil
system diagram
the herd
theyr
Thonnance-lès-Joinville
thrust bearing shoe valve
time constant of excitation
trauma centre
tricks
U-shaped sectionU
ungenerative
vivider
weakly equivalent transformations
wear well
zamarons
zero field splitting
Zopaque