兰州大学机构库

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Does e-shopping for intangible services attenuate the effect of spatial attributes on travel distance and duration? 会议论文
Transportation Research Part A: Policy and Practice
Authors:  Shi, Kunbo;  De Vos, Jonas;  Yang, Yongchun;  Li, Enlong;  Witlox, Frank
Favorite  |  View/Download:2/0  |  Submit date:2020/12/17
PurchasingBeijing , China  E-shoppers  Face-to-face interview  Online shopping  Search spaces  Spatial attribute  Travel distance  
Does e-shopping for intangible services attenuate the effect of spatial attributes on travel distance and duration? 期刊论文
TRANSPORTATION RESEARCH PART A-POLICY AND PRACTICE, 2020, 卷号: 141, 页码: 86-97
Authors:  Shi, Kunbo;  De Vos, Jonas;  Yang, YC(杨永春);  Li, Enlong;  Witlox, Frank
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Spatial attributes  Online shopping  Intangible services  Travel distance  Travel duration  China  
How does purchasing intangible services online influence the travel to consume these services? A focus on a Chinese context 期刊论文
TRANSPORTATION, 2020
Authors:  Shi, Kunbo;  Cheng, Long;  De Vos, Jonas;  Yang, YC(杨永春);  Cao, Wanpeng;  Witlox, Frank
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ICT  Online purchases  Intangible services  Travel distance  Travel mode choice  China  
西宁市开发区企业的供应销售物流网络结构特征 期刊论文
经济地理, 2020, 卷号: 40, 期号: 3, 页码: 129-140
Authors:  唐艳;  杨永春;  程仕瀚
Favorite  |  View/Download:2/0  |  Submit date:2020/10/10
开发区企业  供应销售物流  结构特征  社会网络分析  地方化  非全球化  工业园区  
基于耦合协调度模型的河西走廊生态环境质量时空格局演化 期刊论文
中国人口.资源与环境, 2020, 卷号: 30, 期号: 1, 页码: 102-112
Authors:  杨亮洁;  杨海楠;  杨永春;  魏伟;  潘竟虎
Favorite  |  View/Download:4/0  |  Submit date:2020/10/10
生态环境质量  环境承载力  生态弹性限度  耦合协调模型  河西走廊  
西宁市开发区企业的供应销售物流网络结构特征 期刊论文
经济地理, 2020, 卷号: 40, 期号: 3, 页码: 129-140
Authors:  唐艳;  杨永春;  程仕瀚
Favorite  |  View/Download:8/0  |  Submit date:2020/06/15
开发区企业  供应销售物流  结构特征  社会网络分析  地方化  非全球化  工业园区  
黄河上游生态保护与高质量发展的基本逻辑及关键对策 期刊论文
经济地理, 2020, 卷号: 40, 期号: 6, 页码: 9-20
Authors:  杨永春;  张旭东;  穆焱杰;  张薇
Favorite  |  View/Download:45/0  |  Submit date:2020/10/10
黄河上游  生态保护  高质量发展  绿色产业  重工业基地  流域管理  协同发展  
基于耦合协调度模型的河西走廊生态环境质量时空格局演化 期刊论文
中国人口·资源与环境, 2020, 卷号: 30, 期号: 1, 页码: 102-112
Authors:  杨亮洁;  杨海楠;  杨永春;  魏伟;  潘竟虎
Favorite  |  View/Download:11/0  |  Submit date:2020/06/12
生态环境质量  环境承载力  生态弹性限度  耦合协调模型  河西走廊  
黄河流域高质量发展的基本条件与核心策略 期刊论文
资源科学, 2020, 卷号: 42, 期号: 3, 页码: 409-423
Authors:  杨永春;  穆焱杰;  张薇
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黄河流域  高质量发展  基本条件  核心策略  中心城市  城镇群  
Electron beam probe: The analysis of the electron beam spot expansion and a prototype development at IMP 期刊论文
Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 2020, 卷号: 960
Authors:  Feng, Yongchun;  Mao, Ruishi;  Ding, Jiajian;  Li, Weilong;  Chen, Yucong;  Tang, Kai;  Yin, Yan;  You, Yaoyao;  Liu, Tong;  Kang, Xincai...Feng, Yongchun;  Mao, Ruishi;  Ding, Jiajian;  Li, Weilong;  Chen, Yucong;  Tang, Kai;  Yin, Yan;  You, Yaoyao;  Liu, Tong;  Kang, Xincai;  Li, Juan;  Li, Min;  Li, Peng;  Xu, Zhiguo;  Zhao, Tiecheng;  Yang, Yongliang
Favorite  |  View/Download:1/0  |  Submit date:2020/08/04
Non-interceptive diagnostics technique  Electron beam probe  High beam power accelerators  HIAF