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Crizotinib 250mg Capsules
Get QuotesYes! I am interestedFOB Price : Get Price Crizotinib 250mg Capsules are the prescription drug and should be used under proper medical guidance and advice.The information provided here is for general educational purposes only and does not constitute medical or pharmaceutical advice which should be sought from qualified medical and pharmaceutical advisers.Features:Hygienically packedHighly effectiveAccurate PH value
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--Select--Daily Weekly Monthly Quaterly Half Yearly Yearly如何测量一粒米的密度 原创！！！要求绝对原创！！！并有可行性 - 物理学 - 中国广告知道网
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如何测量一粒米的密度 原创！！！要求绝对原创！！！并有可行性
详细问题描述及疑问：期待您的答案，千言万语,表达不了我的感激之情,我已铭记在心！
我是随风扬尘，觉得自己想歪了特来修改＊找来一个量筒与一个塑料杯（一般差不多大），先往塑料杯里倒水，,找一个平台使塑料杯内水面比量筒口略高一点，两杯相贴，用尖锥在水面处钻一个孔（尖锥要尖，自己掌握分寸），孔贴量筒口，先取一些米（取多一点），测出这些米的质量m，将米缓缓倒入塑料杯，多余的水会从孔流出，直到量筒水面刻度取整，待会儿好记算，水平静下来记下护憨篙窖蕻忌戈媳恭颅刻度a，再测出未倒完剩余米的质量记m'
密度p=(m－m')/a
我觉得这回没错误了，自觉改的很妙
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取适量的米，先测出这些米的质量，记做m，在量筒中装入适量的细沙，读出细沙的体积记做V1，再将米倒入量筒中，与细沙混合均匀，读出此护憨篙窖蕻忌戈媳恭颅时细沙与米的总体，记做V2，由密度公式可得一粒米的密度为m/V2-V1.
永远VS爱情&
亲，我们老师也要求我们测量一粒米的密度，还有日常生活中的干燥剂探究方案，还有家庭一周之内的收支情况，鄙视的哦。。。(实话说我很怀疑你是不是我同学。。。）
找来一个量筒与一个塑料杯（一般差不多大），先往量筒里倒a毫升水（记下刻度a），再把水倒入塑料杯（不要在意量筒里剩余的水，等下会流回去，一样的）,找一个平台使塑料杯内水面比量筒口略高一点，两杯相贴，用尖锥在水面处钻一个孔（尖锥要尖，自己掌握分寸），孔贴量筒口，取适量米，测出这些米的质量m，将米缓缓倒入塑料杯，多余的水会从孔流出，等一会儿水平静下来记下刻度b。密度p=m/(a－b)
绝对原创，自己想的，浪费好多脑细胞
___随风扬尘&
可以用多一点的米去测量，但要注意去除小米周围的气泡
这么巧？我们老师也是
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