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- A method for determining hydroxyl value of epoxy-containing polyester,namely acetyl chloride method is introduced. 介绍了一种含环氧基聚酯的羟值测定方法,即乙酰氯法。
- Blood-Determinatoin of cholinesterase activity-Spectrophotometric method-Hydroxylamine-ferric chloride method. 全血胆碱酯酶活性的分光光度测定方法羟胺三氯化铁法.
- Results Their chemical structures were determined by IR, 1H NMR,MS and elemental analysis.Conclusion The acyl chloride method was feasible to th... 结果化合物的结构均经红外光谱、核磁共振氢谱、质谱及其元素分析确证。
- The method seems good but it needs to be tried out. 这个方法似乎不错，但需要试验一下。
- The method Taking thymol blue as the indicateis quicker,more accurate than barium chloride method,double color indicator method and coefficientrect method. 以百里酚兰为指示剂;分析可溶性硅酸盐体系中混合碱的方法;较之氯化钡法;双指示剂法及系数校正法快速、准确;相对误差在0.;2%25以下。
- It is proved that the improved ioditori method is suitable for it but the ammonium chloride method、ioditori method and sulphurous acid method will introduce great deviation. 实验先合成阻燃性树脂，分析阻燃树脂中甲醛含量，将树脂渗入木材中后，再分析木材中游离甲醛的含量。通过对多种方法的实验，确认了对阻燃性树脂，改进的碘量法较适合其中游离甲醛的分析测定，而亚硫酸钠法、氯化铵法以及盐酸羟铵法不适合；
- alkalescence chloridizing & aldaline coefficient of up to 3.5-4. 碱性氯化铜蚀刻液系数可达3.;5-4。
- This series of powder activated carbon are produced through zinc chloride method with sawdust as raw material. They are full of internal pore, great adsorbability, and with quick filtration. 本系列产品以木屑等为原料，采用氯化锌法生产，具有孔隙结构发达、吸附容量大、过滤速度快等特性。
- I can't claim infallibility for this method. 我不敢说这方法绝对有效。
- Summer fallow is the best method of destroying weeds. 夏季休耕是消灭杂草的最好办法。
- Popularizing this new method is not an easy job. 推广这种新方法不是件容易的工作。
- This is not an economical method of heating. 这不是一种经济的取暖方式。
- I have a simple and easy method. 我有个简易的方法。
- I went through by a summary method. 我成功运用了一个简易的方法。
- By this method, you obtain a good result. 用这种方法，你就会取得良好的结果。
- Many times has he tried that method. 那种方法他已经试验许多次了。
- Our packing method shall be improved. 我们的包装方法应加以改进。
- His method of organizing the work is commendable. 他组织这项工作的办法是值得称赞的。
- We must get some method into our office filing. 我们必须把公文归档工作弄出些条理来。
- He prepares to go mad with fixed rule and method. 他准备对死板的规则与方式大闹一番。
