北京高校来华留学生学习成绩影响因素研究——以北京市为例How to Evaluate Learning Performance of Overseas Student?—An Empritical Evidence from Beijing
张旭吟
统计学与应用Vol.7 No.4, 全文下载: PDF HTML XML DOI:10.12677/SA.2018.74055, August 29 2018
鲁中南丘陵区与华北平原过渡地带土壤pH值演变特征及调控——以曲阜市为例Soil pH Value Evolution Characteristics and Regulation in the Transitional Area between Hilly Area of Central-South Shandong Province and North China Plain—Taking Qufu City as an Example
李 晶, 陈 亮, 比拉力•哈依拜尔, 薄怀志, 李文庆, 徐保民 科研立项经费支持
土壤科学Vol.11 No.2, 全文下载: PDF HTML XML DOI:10.12677/HJSS.2023.112004, April 6 2023
2017年北京市沙尘天细颗粒物来源解析Source Apportionment of Fine Particles during Dust Storm Period in Beijing in 2017
庄 雯, 王 炬, 雷志鹏 国家科技经费支持
环境保护前沿Vol.8 No.3, 全文下载: PDF DOI:10.12677/AEP.2018.83024, June 7 2018
北京市大学生消费心理与消费行为的研究Research on Consumption Psychology and Consumption Behavior of College Students in Beijing
王可燃
统计学与应用Vol.13 No.1, 全文下载: PDF HTML XML DOI:10.12677/SA.2024.131011, February 26 2024
黑土区冬季农田及其周边荒草地土壤水分空间分布特征Spatial Distribution of Soil Moisture in Farmland and Its Surrounding Wasteland in Black Soil Area in winter
朱家驹
自然科学Vol.12 No.2, 全文下载: PDF HTML XML DOI:10.12677/ojns.2024.122039, March 29 2024
基于LSTM模型的草原土壤状态预测Grassland Soil Condition Prediction Based on LSTM Model
吕园园, 赵大胜, 金志尧
建模与仿真Vol.13 No.2, 全文下载: PDF HTML XML DOI:10.12677/MOS.2024.132118, March 19 2024