单词：pessary cells
单词：pessary cells 相关文章
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
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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
VOA慢速英语2008年（六）月
Some Republicans Losing Faith in Rick Perry It was only last month that Texas Governor Rick Perry decided to enter the race for the Republican Party's presidential nomination and quickly zoomed to the top of public opinion polls. But in recent weeks
VOA标准英语2011年(九月)
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
VOA标准英语2010年(十一)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
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
原版英语小短文
今天我们要学的词是necessary evil。 Necessary evil, 是明知不好，但又必不可少的人或事。 Caffeine is a necessary evil for college students, 咖啡因虽然不是什么好东西，但却是大学生活中不可缺少的。 房贷
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By Bill Rodgers Washington 20 October 2006 A top State Department official says the United States will be assessing whether it will continue to be engaged in the United Nations Human Rights Council - following what the official called a disappointin
2006年VOA标准英语（十月）
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
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
2011年VOA慢速英语(二)月
EXPLORATIONS - Will Physicists Have to Rewrite The Special Theory of Relativity? DOUG JOHNSON: Welcome to EXPLORATIONS, in VOA Special English. Im Doug Johnson. This week, we hear about developments in physics that, if proven correct, could have scie
2011年VOA慢速英语(十)月
By Joe Bavier Abidjan 25 October 2006 Nearly four years into international mediation aimed at reuniting war-divided Ivory Coast, the U.N. Security Council is preparing to pass a new resolution creating another transitional period. Despite the effort
2006年VOA标准英语（十月）
By Stephanie Ho Washington 24 August 2006 The MacArthur Foundation, better known for offering so-called genius grants each year to individuals, will now recognize small non-profit organizations. The groups are diverse and are in different countries,
2006年VOA标准英语（八月）
'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
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
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
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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
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
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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
健康与经济
By Nico Colombant Dakar 12 April 2007 International peacekeepers in Ivory Coast say they will withdraw slowly from the buffer zone that separates northern rebels and the Ivorian army. The process of reunifying divided Ivory Coast will begin with a ce
2007年VOA标准英语（四月）