基于主成分分析法和多元回归对山东省农产品冷链物流的实证分析Empirical Analysis of Cold Chain Logistics of Agricultural Products in Shandong Province Based on Principal Component Analysis and Multiple Regression
冯大卫
运筹与模糊学Vol.13 No.5, 全文下载: PDF HTML XML DOI:10.12677/ORF.2023.135440, September 27 2023
贵州大蒜优质品种品质筛选初报Preliminary Report on Quality Screening of High-Quality Garlic Varieties in Guizhou
陈 睿, 李锦康, 赵 婷, 董恩省
农业科学Vol.10 No.11, 全文下载: PDF HTML XML DOI:10.12677/HJAS.2020.1011133, November 12 2020
岱崮地貌的发育特征及其旅游开发与保护——以沂水县纪王崮为例The Developmental Characteristics of Daigu Landform and Its Tourism Development and Protection—Exampled from Jiwanggu in Yishui County, Shandong Province
王秀茹, 王潇宁, 张可嘉
地理科学研究Vol.11 No.3, 全文下载: PDF DOI:10.12677/GSER.2022.113038, June 30 2022
基于国际形势原材料价格波动下的供应链采购决策与分析Supply Chain Purchasing Decision and Analysis Based on the Fluctuation of Raw Material Prices in the International Situation
王 剑
理论数学Vol.12 No.12, 全文下载: PDF HTML XML DOI:10.12677/PM.2022.1212226, December 27 2022
中国东部裂谷盆地变质基底中的油气前景——以辽河裂谷盆地基底变质岩潜山内幕油藏勘探为例Oil and Gas Prospects in the Metamorphic Substrate of the Rift Basin in Eastern China—Taking the Exploration of the Buried Hill Inner Reservoir of Substrate Metamorphic Rock in the Liaohe Rift Basin as an Example
廖兴明, 刘宝鸿, 廖光明, 廖晓蓉, 李 理, 陈 昌, 白东昆, 宁海翔, 吴 昊, 王 睿, 宇振全
自然科学Vol.9 No.6, 全文下载: PDF HTML XML DOI:10.12677/OJNS.2021.96110, November 29 2021
山东省农村区域经济发展差异研究Study on the Difference of Rural Regional Economic Development in Shandong Province
王焕然
农业科学Vol.15 No.1, 全文下载: PDF XML DOI:10.12677/hjas.2025.151001, January 6 2025