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非水溶液滴定法测定有机碱氢卤酸盐药物时，需加入
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检查某药品杂质限量时，称取供试品W(g)，量取待检杂质的标准溶液体积为V(ml)，浓度为c(g／ml)，则该药品的杂质限量是
采用抗生素微生物检定法检测的药物是
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Most Americans believe there are unspoken rules about mobile phone etiquette (礼仪). Checking e-mails, sending text messages and making telephone calls while 1 others are impolite. Texting during a date is also strictly 2 . But most people questioned in an online poll said they would not be 3 if they received an electronic "thank you", instead of a written note. And 75 percent 4 anyone using laptops, netbooks and mobile phones in the bathroom. "Etiquette is first and foremost a question of 5 ," said author and etiquette expert Anna Post. But she described the results of the Harris Interactive poll as pretty surprising 6 . Sixty-two percent of the 2,625 adults who took part in the survey agreed that mobile phones, laptops, and netbooks are part of daily life. Fifty-five percent also thought the demands of business mean people must stay 7 , even if it involves taking a laptop on a holiday or answering a mobile phone on a meal.But despite the need to be constantly connected and the general 8 of the technology, people were more sensitive about technology abuses during holiday and religious activities. Nearly 90 percent of Americans think mobile phone use is 9 during a religious service and 30 percent admitted they would be offended if they received an online gift wish. "These are issues about common sense," said Dr Genevieve Bell, adding that the social rules of when and how it 10 use the technology are still being formed.
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