您的位置: 首页 > 特色资源 > 特色资源列表页

筛选

共检索到340条 ,权限内显示50条;

Meeting Total Fat Requirements for School Lunches: Influence of School Policies and Characteristics
关键词:
National School Lunch Program (NSLP) obesity nutrition
年份:
2009
摘要:
s school-level data from the School Nutrition Dietary Assessment-III to calculat ...
The U.S. Food Marketing System: Recent Developments, 1997-2006
关键词:
concentration
年份:
2007
摘要:
in concentration in the grocery retail sector, changing conventional r ...
China's Cotton Supply and Demand: Issues and Impact on the World Market
关键词:
cotton China textiles trade consumer demand statistics
年份:
2007
摘要:
cotton markets and the lack of transparency in China's intervention in its dome ...
The Changing Economics of U.S. Hog Production
关键词:
concentration
年份:
2007
摘要:
The increasing size and specialization of hog operations reflect structural chan ...

意 见 箱

匿名:登录

个人用户登录

找回密码

第三方账号登录

忘记密码

个人用户注册

必须为有效邮箱
6~16位数字与字母组合
6~16位数字与字母组合
请输入正确的手机号码

信息补充