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最佳答案：1,first soaked in cold water 10 minutes after heating to 40 degrees.2,adding soa
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最佳答案：说明：已很简洁、准确.配方B为亲水性,可溶解10%以下的水样,合并为一句：亲水性的配方B可……还又个办法是把水样简写成wat.samp.甚至WS,再在表格下面注
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最佳答案：Oleanolic acid is insoluble in water,soluble in water can not be directly used f
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最佳答案：The sand is a kind of solid which has small and rough.The sand is in small grain
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最佳答案：With the application of pulse power technology in the ECM,the gap between the po
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最佳答案：The upper cretaceous period may once strong acid rain,soil including strontium,t
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最佳答案：I.Titration1.Sample V:Precisely measure a 0.05-0.07g of sample and place it into
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最佳答案：Foam enriched atomic absorption spectrometry determination of gold in gold oreAb
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最佳答案：如下。 翻译器翻译的The preparation of this solution, 10, precision says take about 0.2