【简答题】If others agree, they go a with you.
【单选题】I agree ______ some ideas and disagree to ______. [ ]
【简答题】葡萄糖酸钙片的含量测定:取本品(规格 0.5g)20片,精密称定为10.9608g,研细,精密称取片粉1.06g,置100ml量瓶中,加水约50ml,微热使葡萄糖酸钙溶解,放冷至室温,在用水稀释至刻度,摇匀,用干燥滤纸滤过,弃去初滤液,精密量取续滤液25ml加水75ml。加氢氧化钠试液 15ml 和钙紫红素指示剂约 0.1g ,用乙二胺四醋酸二钠滴定液( 0.05 022 mol/L )滴至溶...
【简答题】乳酸钙片(规格为0.5g)的含量测定方法:精密称取本品10片,重量为6.0320g,研细,精密称取片粉0.3587g,按药典规定进行测定,消耗乙二胺四醋酸二钠滴定液(0.0501 mol/L)18.92mL。每1mL乙二胺四醋酸二钠滴定液(0.05mol/L)相当于15.40mg的 C6H106·5H2O。计算乳酸钙含量占标示量的百分率。
【单选题】葡萄糖酸钙片的含量测定:取本品(规格0.5g)20片,精密称定为10.9608g,研细,精密称取片粉1.0664g,置100ml量瓶中,加水约50ml,微热使葡萄糖酸钙溶解,放冷至室温,在用水稀释至刻度,摇匀,用干燥滤纸滤过,弃去初滤液,精密量取续滤液25ml加水75ml。加氢氧化钠试液15ml和钙紫红素指示剂约0.1g,用乙二胺四醋酸二钠滴定液(0.05440mol/L)滴至溶液由紫色变为纯蓝色...
【单选题】Many Americans agree to adopt a stricter policy on weapon control ______ others don't agree, and they believe they need weapons to protect themselves.
【简答题】Many people think name is very important for a person, but others dont agree. In this section, you are asked to write an essay on the importance of a name. You can provide specific reasons and example...
【单选题】It is ______ of him to leave the classroom just because the others didn't agree with him.
【单选题】- is impolite to laugh at others. -I agree with you. [ ]
【简答题】精密称取本品细粉0.1279g ,置锥形瓶中 ,加稀盐酸 3ml,加热至微沸使溶解 ,加水 100ml与甲基红指示液 1 滴 ,滴加氢氧化钾试液至显黄色,继 续 多 加 10ml,再加钙黄绿素指 示 剂 少 量 ,用 乙 二 胺 四 醋 酸 二 钠 滴 定 液 (0.05mol/L)滴 定 至 溶 液 黄 绿 色 荧 光 消 失 而 显 橙 色 。每 lml乙 二 胺 四 醋 酸二 钠滴 定液(0...