混合肥液电导率预测模型构建研究  

Construction of conductivity prediction model for mixed fertilizer solution

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作  者:余淋 郝祝霞 张京萍 许德华 刘敦一 刘洪滨 束维正 王辛龙 YU Lin;HAO Zhuxia;ZHANG Jingping;XU Dehua;LIU Dunyi;LIU Hongbin;SHU Weizheng;WANG Xinlong(College of Resources and Environment,Xinan University,Chongqing 400000,China;College of Resources and Environment,Anhui Agricultural University,Hefei 230036,China;College of Chemical Engineering,Sichuan.University,Chengdu 610000,China;CNSG Anhui Hong Sifang Co.,Ltd.,Hefei 230036,China)

机构地区:[1]西南大学资源与环境学院,重庆400000 [2]安徽农业大学资源与环境学院,安徽合肥230036 [3]四川大学化学工程学院,四川成都610000 [4]中盐安徽红四方肥业股份有限公司,安徽合肥230036

出  处:《磷肥与复肥》2024年第2期6-11,共6页Phosphate & Compound Fertilizer

基  金:中盐红四方绿色智能复合肥产业研究院与巢湖面源污染关键技术研究项目(FYGS-JS-202111)。

摘  要:以尿素-氯化钾、尿素-硫酸钾、尿素-磷酸二氢钾、锌工铵-氯化钾、聚磷酸铵-氯化钾、磷酸一铵-氯化钾6种混合肥样为原料,探讨配比值、总养分质量分数以及配比值和总养分质量分数耦合作用对混合肥液导电能力的影响,通过Origin 2022对实验结果进行回归拟合分析,建立以混合肥液配比值、总养分质量分数为自变量的电导率预测模型。结果表明,6组混合肥液电导率预测模型的平均相对误差分别为2.68%、1.70%、2.49%、4.13%、2.33%和3.58%,模型预测的可信度高。Six kinds of mixed fertilizer samples such as urea-potassium chloride,urea-potassium sulfate,urea-potassium dihydrogen phosphate,ammonium zinc-potassium chloride,ammonium polyphosphate-potassium chloride and monoammonium phosphate-potassium chloride are used as raw materials,the effects of the ratio value,total nutrient mass fraction and the coupling between the ratio value and total nutrient mass fraction on the conductivity of mixed fertilizer solutions are explored,and multiple regression fitting analysis is carried out through Origin 2022,the conductivity prediction model is established with the ratio value and total nutrient mass fraction of mixed fertilizer solutions as independent variables.The results show that the average relative errors of the conductivity prediction models are 2.68%,1.70%,2.49%,4.13%,2.33%and 3.58%,respectively,indicating that the models are highly reliable.

关 键 词:混合肥液 电导率 总养分质量分数 配比值 预测模型 

分 类 号:S145.2[农业科学—肥料学]

 

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