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13条 ,权限内显示50条;
Canada: Canada Clarifies Timelines for Anticipated Labeling Changes
- 关键词：
- 年份：
- 2021
- 摘要：
- on education and promoting compliance through December 2022, and then exerc ...
Economic Crises and U.S. Agricultural Exports
- 年份：
- 2021
- 摘要：
- An examination of past economic crises and a simulation exercise of the ...
Americans' Eating Patterns and Time Spent on Food: The 2014 Eating & Health Module Data
- 关键词：
- exercise
- 年份：
- 2016
- 摘要：
- This report uses data from the 2014 ERS Eating & Health Module of the American T ...
Factors Affecting Former Residents\u0027 Returning to Rural Communities
- 关键词：
- migration
- 年份：
- 2015
- 摘要：
- This study reports on reasons for returning and not returning to small-town Amer ...
Factors Affecting Former Residents' Returning to Rural Communities
- 关键词：
- migration
- 年份：
- 2015
- 摘要：
- This study reports on reasons for returning and not returning to small-town Amer ...
Nonmetropolitan Outmigration Counties: Some Are Poor, Many Are Prosperous
- 关键词：
- Migration
- 年份：
- 2010
- 摘要：
- Population loss through net outmigration is endemic to many rural areas. Over a ...
Baby Boom Migration and Its Impact on Rural America
- 关键词：
- migration
- 年份：
- 2009
- 摘要：
- increase. An analysis of age-specific, net migration during the 1990s ...
The Economics of Obesity: A Report on the Workshop Held at USDA's Economic Research Service
- 关键词：
- physical activity
- 年份：
- 2004
- 摘要：
- , and the challenges in measuring energy intakes and physical activity. ...
Rural Education at a Glance
- 关键词：
- training
- 年份：
- 2004
- 摘要：
- This report provides the latest information from the 2000 Census and other Feder ...
Grocery Retailer Behavior in the Procurement and Sale of Perishable Fresh Produce
- 关键词：
- Supermarket grower-shippers lettuce bagged salads tomatoes market power oligopsony oligopoly switching regression model fresh produce
- 年份：
- 2003
- 摘要：
- en able to exercise oligopsony power in procuring fresh produce commodi ...
