钠敏细胞

Cells cannot remain alive outside certain limits of temperature and much narrower limits mark the boundaries of effective functioning. Enzyme systems of mammals and birds are most efficient only withi

发表于:2018-12-01 / 阅读(336) / 评论(0) 分类 新东方背诵文选

Evidence is seen for a possible cause of solid tumors, but many questions remain. Transcript of radio broadcast: 24 June 2008 This is the VOA Special English Health Report. Some experts predict that doctors will someday use stem cells to treat many

发表于:2018-12-15 / 阅读(161) / 评论(0) 分类 VOA慢速英语2008年(六)月

Gene Therapy Halts Vision Loss in Dogs Researchers have stopped vision decline in dogs with an inherited disease that causes blindness. The gene therapy technique they used may someday stop vision loss in humans. Retinitis pigmentosa (RP) is an eye d

发表于:2018-12-16 / 阅读(152) / 评论(0) 分类 VOA标准英语2012年(二月)

An international team of scientists at a U.S. university is investigating whether 'cooking' cancerous tumors using tiny nanoparticles in a magnetic field might be an effective and useful treatment. Preliminary findings suggest they may be on the righ

发表于:2018-12-16 / 阅读(170) / 评论(0) 分类 VOA标准英语2010年(十一)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Life requires balance. We balance work and family. We eat a balanced breakfast, sometimes. And we balance our electrolytes. That salt-water synergy is no

发表于:2018-12-24 / 阅读(211) / 评论(0) 分类 Scientific American(九)月

Long ago, before BandAids, or even medicine of any kind, our ancestors evolved to heal cuts themselves. If you got sliced open, the body blocked it up, to prevent blood loss, water loss, infection. But as we gained that powerwe sacrificed something e

发表于:2018-12-24 / 阅读(199) / 评论(0) 分类 2017年Scientific American(一)月

Norm woke up to go to the bathroom. He looked in the bathroom mirror. That bump used to be smaller. It was on the side of his nose. The bump looked puffy. He touched it. It wasn't hard. It didn't hurt. It wasn't a different color. Maybe it was just s

发表于:2019-01-02 / 阅读(171) / 评论(0) 分类 原版英语小短文

Darwinian medicine - an approach to the treatment of infective diseases which takes account of the co-evolution between the host and its parasite. Deciduous - from the Latin

发表于:2019-01-03 / 阅读(156) / 评论(0) 分类 医务英语

英语短文:Cells and Temperature Cells cannot remain alive outside certain limits of temperature and much narrower limits mark the boundaries of effective functioning. Enzyme systems of mammals and birds are most efficient only within a narrow ra

发表于:2019-01-08 / 阅读(222) / 评论(0) 分类 英语小短文

FAITH LAPIDUS: This is SCIENCE IN THE NEWS in VOA Special English. Im Faith Lapidus. CHRISTOPHER CRUISE: And Im Christopher Cruise. Today, we will tell about possible hope for children suffering from damage to their nervous system. We will also tell

发表于:2019-01-12 / 阅读(213) / 评论(0) 分类 2011年VOA慢速英语(二)月

'Serial Killer' Cells Demolish Leukemia Tumors U.S. researchers say they've been able to modify a patient's immune system T cells, turning them into serial killer cells which zero in on cancer and obliterate it. Its being called a breakthrough in the

发表于:2019-01-14 / 阅读(176) / 评论(0) 分类 VOA标准英语2011年(八月)

Volunteers Help Scientists in Search for Cheap Solar Cells Most of today's solar cells are silicone-based and their manufacture requires sophisticated machinery and expertise. An average home in the United States uses between 20 and 24 kilowatt hours

发表于:2019-01-14 / 阅读(178) / 评论(0) 分类 VOA标准英语2013年(七月)

Australian researchers may have discovered a new way to treat hearing loss in infants. And the secret lies in the NOSE. Our reporter Li Dong has the details. Noses comes in all shapes and sizes, and Australian scientists are now trumpeting a new use

发表于:2019-01-19 / 阅读(196) / 评论(0) 分类 世界各地新闻集锦

Cats And Colors You can look at that quilt your cat is curled up on and see a patchwork of greens, blues, and yellows. Your cat, however, cannot see color variation in the quilt. And here is why. Both humans and cats depend on the back layer of the e

发表于:2019-01-22 / 阅读(184) / 评论(0) 分类 英语时差8,16

Under normal circumstances, each of your brain cells allows various substances, such as sodium, calcium and potassium to permeate its outer cell membrane. Once inside the brain cell, these substances help give the cell stimulus it needs to function p

发表于:2019-01-26 / 阅读(169) / 评论(0) 分类 英语听力文摘 English Digest

Beating Heart Tissue from Stem Cells In a study in the journal Science, researchers explain how they used mouse embryonic stem cells and microchip technology to create heart muscle tissue that actually beats. Cynthia Graber reports One of the goals o

发表于:2019-01-30 / 阅读(221) / 评论(0) 分类 60秒科学

> 39 脂肪中的茎细胞有助于治疗糖尿病 DATE=4-26-01 TITLE=SCIENCE REPORT- Stem Cells in Fat BYLINE=Nancy Steinbach (Start at 59

发表于:2019-01-30 / 阅读(245) / 评论(0) 分类 科技之光

HEALTH REPORT - Fetal Skin Cells May Treat Burns By Caty Weaver Broadcast: Wednesday, September 21, 2005 I'm Shep O'Neal with the VOA Special English Health Report. A method tested in Switzerland may

发表于:2019-01-30 / 阅读(164) / 评论(0) 分类 健康与经济

By VOA News 20 November 2007 Two separate teams of scientists say they have transformed ordinary human skin cells into ones that look and act like embryonic stem cells. Laboratory teams at universities in the United States and Japan Tuesday announced

发表于:2019-01-31 / 阅读(147) / 评论(0) 分类 VOA常速英语2007年(十一月)

Cats And Colors 人类能够很容易的分辨出不同的颜色。那么猫呢?虽然猫的视力很好,即使在非常昏暗的光线条件下也能看见,但它对于如何分辨不同的颜色似乎并不擅长。 Cats and Colors on this mo

发表于:2019-02-24 / 阅读(170) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
actinide hypothesis
aslosh
background plate
band limited channel
Becodisks
berth throughput capacity
Bokovoy Maydan
bottom-up model
Bouguer reduction
bristles at
built into
bylines
califonia
Calleja's islands
Caniac-du-Causse
catalytic thermal decomposition
CFA (central facilities area)
civil law countries
coahuilas
coercive home environment
coke screening arrangement
cometamine
contemplating
control protection
cyber criminal
cymbidium goeringii serratum
diafiltrating
dionaeas
dropleaf table
dubarry
eccentric-strap seat
esculentin
fair dealings
first performance
Fish and Shrimp
flaming aurora
forelain
FRF
frozen in magnetic field
gain-phase plot
grain oriented alloy
hemangioendothelial cell sarcoma of liver
hiring quotas
homotopy invariance theorem
intrinsically safe electrical apparatus
inverted micelle
Karell diet
kss
lagam balsam
laurell
light concrete structure
Longecourt-en-Plaine
lump-sum
Lydiol
majority criterion
margin requirement
menstrual and obstetrical histories
multidiameter expansion reamer
myelinations
national seclusion
neoprene paint
Norolon
nuclear fuel form
Nupron
old type
on the matter of
ophiothrix plana
outwinter
Pacoti
paresthesia sexualis
particle reaction
passive trustee
phiph
plain sawed
Poupart's ligament
problem structuring
prosopocoilus formosanus
protrusive occlusal chewing movement
pyurias
rare earth chloride
rationalisms
regular arm
reversed return system
Scarpa's staphyloma
sequency
seventeens
shalche
slumpiest
succours
sunlamp
super-sweet
Surgutskaya Nizina
tamburitza
taylagier
Teucrium scordioides
Thompson's solution
time-sharing library
tocksaine
tone arms
transnational enterprise
up to all the dodges
user script