QQ客服 官方微博 反馈留言

浏览/检索结果: 共4条，第1-4条 帮助 限定条件 发表日期：2017     已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 Life cycle assessment of primary energy demand and greenhouse gas (GHG) emissions of four propylene production pathways in China 期刊论文 JOURNAL OF CLEANER PRODUCTION, 2017, 卷号: 163, 页码: 285-292 作者:  Zhao, Zhitong;  Liu, Yong;  Wang, Feng;  Li, Xuekuan;  Deng, Shuping 收藏  |  浏览/下载：33/0  |  提交时间：2017/12/19 Life cycle  Primary energy demand  Greenhouse gas  Coal to olefins  Coal to propylene   Life cycle assessment of primary energy demand and greenhouse gas (GHG) emissions of four propylene production pathways in China 期刊论文 JOURNAL OF CLEANER PRODUCTION, 2017, 卷号: 163, 页码: 285-292 作者:  Wei, Wei;  Zhao, Zhitong;  Liu, Yong;  Wang, Feng;  Li, Xuekuan 收藏  |  浏览/下载：14/0  |  提交时间：2017/12/19 Life cycle  Primary energy demand  Greenhouse gas  Coal to olefins  Coal to propylene   A tool orientation smoothing method based on machine rotary axes for five-axis machining with ball end cutters 期刊论文 INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY, 2017, 卷号: 92, 期号: 9-12, 页码: 3615-3625 作者:  Xu, Rufeng;  Cheng, Xiang;  Zheng, Guangming;  Chen, Zhitong 收藏  |  浏览/下载：3/0  |  提交时间：2019/12/11 Tool orientation smoothing  Five-axis machining  Machine rotary axes  Sculptured surfaces  Ball end cutters   A tool orientation smoothing method based on machine rotary axes for five-axis machining with ball end cutters 期刊论文 INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY, 2017, 卷号: 92, 页码: 3615-3625 作者:  Xu, Rufeng;  Cheng, Xiang;  Zheng, Guangming;  Chen, Zhitong 收藏  |  浏览/下载：9/0  |  提交时间：2019/12/30 Tool orientation smoothing  Five-axis machining  Machine rotary axes  Sculptured surfaces  Ball end cutters