[医] 异型生殖, 异型世代交替, 自然发生, 无性世代

HEALTH REPORT - Testing for Pre-Diabetes

HEALTH REPORT-Testing for Pre-Diabetes By Nancy Steinbach Broadcast: April 17, 2002 This is the VOA Special English Health Report. American health experts say more people should be tested for a condit

发表于:2018-12-07 / 阅读(48) / 评论(0)

健康与环境

SCIENCE IN THE NEWS - Diabetes

SCIENCE IN THE NEWS - December 3, 2002: Diabetes By Oliver Chanler VOICE ONE: This is Steve Ember. VOICE TWO: And this is Bob Doughty with Science in the News, a VOA Special English program about rece

发表于:2019-01-11 / 阅读(59) / 评论(0)

科技之光

HEALTH REPORT - Diabetes Research Update

By Nancy Steinbach HEALTH REPORT -June 26, 2002: Diabetes Research Update This is the VOA Special English Health Report. American medical researchers say that a new drug has been shown to stop the pro

发表于:2019-01-11 / 阅读(34) / 评论(0)

健康与环境

VOA标准英语2009年-Stem Cell Research Could Cure Diabetes

President Obama has lifted restrictions on the use of federal money for research using embryonic stem cells. Some researchers are already making progress using stem cells from umbilical cord blood, which entails no controversy since there is no dest

发表于:2019-01-11 / 阅读(39) / 评论(0)

VOA标准英语2009年(三月)

VOA标准英语2011--Independent Media Emerge in Tripoli Afte

Independent Media Emerge in Tripoli After Fall of Gadhafi Independent news media are beginning to emerge in the Libyan capital, Tripoli, two weeks after the fall of Libyan leader Moammar Gadhafi. They are pledging to help build democratic institution

发表于:2019-01-13 / 阅读(41) / 评论(0)

VOA标准英语2011年(九月)

Diabetes drug shows promise in reducing risk of cancer

WASHINGTON, Nov. 24 (Xinhua) -- An inexpensive drug that treats Type 2 diabetes has been shown to prevent a number of natural and man-made chemicals from stimulating the growth of breast cancer cells, according to a newly published study by a Michiga

发表于:2019-02-11 / 阅读(73) / 评论(0)

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3-ethylpyridine

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actual tensile stres strain diagram