the direct double decomposition method
      
                          
                                                            
                                                
 
 the direct double decomposition method
 直接双重分解法
 以上为机器翻译结果,长、整句建议使用 人工翻译 。
  
 
 
                        
    
    
                
            
                                     
                            
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This article USES the direct double decomposition method to synthesis zinc gluconate, through adding ethyl alcohol to reduce its watery solution solubility and to obtain its crystal.
                    					 
                                        
                    采用直接复分解法合成葡萄糖酸锌,通过滴加乙醇降低它在水溶液中的溶解度从而得到它的晶体。
                                        
                                                            
                                                    youdao
                                            
                 
                                       
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