《当前山东省中小企业存在的问题及对策研究研究》的阶段性成果,项目编号为2009RKA087 Note: This is in 2009 the Shandong Province soft sciences plan project "Current Shandong Province Small and medium-sized enterprise Existence Question And Countermeasure Study" the gradual achievement, the project serial ...
Road lighting is a service provided at night, mainly to ensure the secure and safe passage of humans. However, lighting at night can have adverse effects on insects or ecosystems, which are not yet considered in planning. Here, we introduce a comprehensive approach for the design and implementa...