SciHub
文献互助
期刊查询
一搜即达
科研导航
即时热点
交流社区
登录
注册
发布
文献
求助
首页
我的求助
捐赠本站
🔥 科研通第二届『
应助活动周
』正在进行中,3月24-30日求助秒级响应🚀,千元现金等你拿。
当前排名🏆
📚 中科院2025期刊分区📊 已更新
amelie
Lv0
0 积分
2021-09-01 加入
最近求助
最近应助
互助留言
Greedy function approximation: A gradient boosting machine
2天前
已完结
Examining longitudinal associations between the recreational physical activity environment, change in body mass index, and obesity by age in 8864 Yorkshire Health Study participants
3天前
已完结
Residential Greenspace Is Associated with Lower Levels of Depressive and Burnout Symptoms, and Higher Levels of Life Satisfaction: A Nationwide Population-Based Study in Sweden
3天前
已完结
Measuring the Influence of Built Neighborhood Environments on Walking in Older Adults
7天前
已完结
Associations between Self-Reported and Objective Physical Environmental Factors and Use of a Community Rail-Trail
7天前
已完结
From mixed to multiple land use
7天前
已完结
Mining point-of-interest data from social networks for urban land use classification and disaggregation
7天前
已完结
Association between leisure-time physical activity and the built environment in China: Empirical evidence from an accelerometer and GPS-based fitness app
7天前
已完结
Correlation or causality between the built environment and travel behavior? Evidence from Northern California
7天前
已完结
Neighborhood-Based Differences in Physical Activity: An Environment Scale Evaluation
13天前
已关闭
没有进行任何应助
帮大忙了
1年前
速度真快
2年前
感谢
2年前
太感谢了
3年前
我要找的是书籍,这是一篇书评
3年前
感谢
3年前
点赞
3年前
帮大忙了
3年前
感谢
3年前
最近帖子
最近评论
没有发布任何帖子
没有发布任何评论