筛选
研究报告
产业分析报告
科研态势报告
宏观发展报告
竞争力分析报告
高端论坛报告
国际行业报告
农业区划报告
报告来源
年份
增值服务
定制报告
面向用户开展个性化定制服务，包括领域学科态势分析、领域学科专利分析、领域研究热点前沿与研究热点分析和领域学科态势分析总结。
学术趋势分析
采用文献计量等方法对分析主题进行多维度统计快速分析，支持在线查看和一键下载。
热门报告
共检索到18条 ,权限内显示50条;
What Have We Learned about Household Biomass Cooking in Central America?
- 关键词：
- VARIABLE COSTS
- 年份：
- 2013
- 摘要：
- Twenty million people in Central America cook with biomass using open fires or rudimentary stoves. The number of people using biomass for cooking in the regio ...
Road Freight in Central America : Five Explanations to High Costs of Service Provision
- 关键词：
- VARIABLE COSTS
- 年份：
- 2012
- 摘要：
- An efficient system to transport goods domestically and internationally is a key element of the logistics chain. Road freight transport has a direct impact&#x ...
Best Operational and Maintenance Practices for City Bus Fleets to Maximize Fuel Economy
- 关键词：
- ACCELERATION ACCELERATOR PEDAL AIR AIR CLEANER AIR CONDITIONER AIR FILTERS AMBIENT TEMPERATURE AUTO MANUFACTURERS AUTOMATIC VEHICLE LOCATION AXLES
- 年份：
- 2011
- 摘要：
- ; economical driving style can reduce variable costs, decrease down time due to repair work and maintenance, mitigate
