Then this multiple PCR indicated that it was fit for the studies on the epidemiology investigation of E. coli, Salmonella bacillus and Staphylococcus which has good sensitivity and Specificity.

进而说明该研究建立的大肠杆菌、沙门氏菌和葡萄球菌多重pcr检测方法敏感性高、特异性强，适用于大肠杆菌、沙门氏菌和葡萄球菌的流行病学调查研究。

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Brittle fracture is a stress corrosion cracking phenomenon which occurs in high voltage composite insulators. Previous studies all focused on the source of the "corrosion" medium, e. g. the acid.

脆断是高电压复合绝缘子发生的应力腐蚀断裂现象，国内外的研究基本集中在“腐蚀”介质酸的来源上。

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The paper studies the effects on the yield of the various factors e. g. reaction temperature, time, catalyst rate, etc.

文中研究了反应温度、时间、催化剂用量等因素对收率的影响。

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Jean Pascal Zanders, a chemical weapons expert and a senior research fellow for the European Union Institute for Security Studies, cast doubt on the use of chlorine, saying in an e-mail that one small rocket couldn't deliver the quantity needed to kill 25 people.

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Barker and Phillips recommended doing follow-up studies to confirm their data, and also to see if new e-prescribing systems are having an impact on the July effect.

FORBES: What Is the "July Effect" - And Can It Really Kill You?