- [英語(yǔ)聽(tīng)力] 世界上普遍存在危險(xiǎn)的含鉛油漆（2）
Hints: Professor ClarkThe United States has restricted lead content in paint since 1978. Until this past month, the safety standard for consumer paints was 600 parts per million. But the Consumer...
- [英語(yǔ)聽(tīng)力] 世界上普遍存在危險(xiǎn)的含鉛油漆（1）
一項(xiàng)新的調(diào)查表明，在世界范圍內(nèi)，含鉛油漆依然威脅著公共健康。Hints: Scott Clark University of Cincinnati OhioA new study shows that lead-based paint remains a worldwide threat to public health. P...
- [英語(yǔ)聽(tīng)力] 加州大學(xué)公開(kāi)課：大災(zāi)難時(shí)期的倫理和公共健康 11
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- [英語(yǔ)聽(tīng)力] 研究阿司匹林對(duì)結(jié)腸癌生存的連系
現(xiàn)代研究發(fā)現(xiàn)阿司匹林的其他一些用途。這一藥物可作為血液稀釋劑。它可以幫助動(dòng)脈中的血液流通。People since ancient times have used aspirin-like medicines to fight pain and reduce high body temperatur...
- [英語(yǔ)聽(tīng)力] 加州大學(xué)公開(kāi)課：大災(zāi)難時(shí)期的倫理和公共健康 12
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- [英語(yǔ)聽(tīng)力] 加州大學(xué)公開(kāi)課：大災(zāi)難時(shí)期的倫理和公共健康 13
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- [英語(yǔ)聽(tīng)力] 加州大學(xué)公開(kāi)課：大災(zāi)難時(shí)期的倫理和公共健康 14
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- [英語(yǔ)聽(tīng)力] 南非臨床試驗(yàn)艾滋病疫苗(2)
Hints: Cameroon Ivory Coast Zambia Elizabeth Glaser Pediatric AIDS Foundation sub-Saharan Africa UgandaLaura GuayThe research was done in Cameroon, Ivory Coast, South Africa and Zambia. In one s...
- [英語(yǔ)聽(tīng)力] 南非臨床試驗(yàn)艾滋病疫苗(1)
Hints: the University of Cape Town The National Institutes of Health Massachusetts the International AIDS Society36 volunteers in South Africa will test the safety of an African-developed vaccine...
- [英語(yǔ)聽(tīng)力] 深入研究功能性飲料(2)
科學(xué)家對(duì)這些成分了解并不多，對(duì)它們之間的反應(yīng)以及它們與咖啡因之間的反應(yīng)也知之甚少。Hints:Chad Reissig caffeine Johns Hopkins University School of Medicine Drug and Alcohol DependenceBut Chad Reiss...
