初中化学教材中实验的比较研究——以“人教版”和“鲁教版”为例A Comparative Study of Experimental Contents in Junior High School Chemistry Textbooks—Taking the Textbooks Published by People’s Education Press and Shandong Education Press as Examples
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Advances in Education Vol.11 No.2, 全文下载: PDF HTML XML DOI:10.12677/AE.2021.112054, March 5 2021
基于灰色GM(1,1)模型的北京市人口老龄化预测Population Aging Prediction in Beijing Based on Gray GM(1,1) Model
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Operations Research and Fuzziology Vol.13 No.5, 全文下载: PDF HTML XML DOI:10.12677/ORF.2023.135507, October 18 2023
关于图类Knm±G的生成树数目On the Number of Spanning Trees of Graphs Knm±G
龚 瑜, 朱婧倩 下载量: 299 浏览量: 420 科研立项经费支持
Advances in Applied Mathematics Vol.11 No.11, 全文下载: PDF HTML XML DOI:10.12677/AAM.2022.1111854, November 23 2022
社区居家养老服务“三社联动”供给机制研究——基于国内多社区实践比较Research on the Supply Mechanism of “Linkage of the Three Social Communities” for Community Home Care Service—Based on the Comparison of Multi-Community Practices in China
程 奇, 方 娜 下载量: 506 浏览量: 778
Modern Management Vol.12 No.6, 全文下载: PDF HTML XML DOI:10.12677/MM.2022.126103, June 28 2022
中考路上的“勾股树”与“赵爽弦图”The “Pythagorean Tree” and “Zhao Shuang’s String Diagram” in the Middle School Entrance Examination
王晓美, 余 霞, 边 红 下载量: 329 浏览量: 462 国家自然科学基金支持
Pure Mathematics Vol.13 No.11, 全文下载: PDF HTML XML DOI:10.12677/PM.2023.1311329, November 13 2023
基于随机森林的猪肉价格预测模型Pork Price Prediction Model Based on Random Forest
黄 琪, 董帮强 下载量: 628 浏览量: 1,655
Advances in Applied Mathematics Vol.10 No.9, 全文下载: PDF HTML XML DOI:10.12677/AAM.2021.109327, September 22 2021