生鲜O2O(0nline to 0ffline)作为传统营销渠道与互联网技术相融合的产物,在充分利用线上与线下资源的同时对冷链运作提出了更高要求。为促进我国冷链物流发展与生鲜电商发展相匹配,文章在阐释生鲜电商配送环节存在的问题与搭建O2O环境...生鲜O2O(0nline to 0ffline)作为传统营销渠道与互联网技术相融合的产物,在充分利用线上与线下资源的同时对冷链运作提出了更高要求。为促进我国冷链物流发展与生鲜电商发展相匹配,文章在阐释生鲜电商配送环节存在的问题与搭建O2O环境下生鲜配送模式必要性的基础上,针对O2O不同的主导方提出了三种不同的配送模式,并从生鲜品价值实现度与企业资源占有度两个方面建立了生鲜品配送模式的判定矩阵,以期不断完善企业现有的生鲜品配送体系,使其与生鲜O2O发展相适应。展开更多
Concentration of fluorine in typical coals from China have been determined by half-fusion/fluoride-ion selective electrode method (FISE) The distribution regularities of fluorine in coals have been obtained The correl...Concentration of fluorine in typical coals from China have been determined by half-fusion/fluoride-ion selective electrode method (FISE) The distribution regularities of fluorine in coals have been obtained The correlation between fluorine and ash, fluorine and phosphorus and their probable mode of occurrence in coals have been quantitatively analyzed and discussed respectively It was observed that fluorine concentrations in Chinese coals approximately follow logarithmic statistics normal distribution The fluorine concentration ranges between 17 and 3088 μg/g and mean value is close to 200 μg/g The fluorine concentration increases with the ash content of the sample and the coal rank Fluorine is mainly present in mineral species, but fluoraptite is not the principal hose for fluorine in the coals studied The results will be of significance for combustion, conversion and pollution control of fluorine during coal展开更多
文摘生鲜O2O(0nline to 0ffline)作为传统营销渠道与互联网技术相融合的产物,在充分利用线上与线下资源的同时对冷链运作提出了更高要求。为促进我国冷链物流发展与生鲜电商发展相匹配,文章在阐释生鲜电商配送环节存在的问题与搭建O2O环境下生鲜配送模式必要性的基础上,针对O2O不同的主导方提出了三种不同的配送模式,并从生鲜品价值实现度与企业资源占有度两个方面建立了生鲜品配送模式的判定矩阵,以期不断完善企业现有的生鲜品配送体系,使其与生鲜O2O发展相适应。
基金国家自然科学基金! (No :598760 36)浙江省自然科学基金! (No :5960 97)国家重点基础研究发展规划项目!(G1 9990 2 2 2 1 1 )资助
文摘Concentration of fluorine in typical coals from China have been determined by half-fusion/fluoride-ion selective electrode method (FISE) The distribution regularities of fluorine in coals have been obtained The correlation between fluorine and ash, fluorine and phosphorus and their probable mode of occurrence in coals have been quantitatively analyzed and discussed respectively It was observed that fluorine concentrations in Chinese coals approximately follow logarithmic statistics normal distribution The fluorine concentration ranges between 17 and 3088 μg/g and mean value is close to 200 μg/g The fluorine concentration increases with the ash content of the sample and the coal rank Fluorine is mainly present in mineral species, but fluoraptite is not the principal hose for fluorine in the coals studied The results will be of significance for combustion, conversion and pollution control of fluorine during coal