QQ客服 官方微博 反馈留言

浏览/检索结果: 共5条，第1-5条 帮助 限定条件 内容类型：EI期刊论文     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 Electrodeposition synthesis of MnO2/TiO2 nanotube arrays nanocomposites and their visible light photocatalytic activity EI期刊论文 2014 作者:  Li Guosheng;  Yang Fei 收藏  |  浏览/下载：31/0  |  提交时间：2014/12/31 Manganese oxide  Electrodeposition  Nanocomposites  Nanotubes  Photocatalysts  Photodegradation  Scanning electron microscopy  Titanium dioxide  X ray photoelectron spectroscopy  X ray powder diffraction   Emergy evaluation of agricultural sustainability of Northwest China before and after the grain-for-green policy EI期刊论文 2014 作者:  Wang Xiuhong 收藏  |  浏览/下载：23/0  |  提交时间：2014/12/31 Grain (agricultural product)  Agriculture  Food supply  Sustainable development   Probabilistic change of wheat productivity and water use in china for global mean temperature changes of 1, 2, and 3c EI期刊论文 2013 作者:  Tao Fulu;  Liu Yujie 收藏  |  浏览/下载：26/0  |  提交时间：2014/12/31 Carbon dioxide  Atmospheric composition  Cultivation  Digital storage  Food supply  Global warming  Uncertainty analysis  Water supply   Progress, influence and perspectives of emergy theories in China, in support of environmentally sound economic development and equitable trade EI期刊论文 2008 作者:  Yan Maochao 收藏  |  浏览/下载：18/0  |  提交时间：2012/06/11 Decision making  Energy management  Energy utilization  Environmental management  Sustainable development   Effects of exogenous organic chelators on phytochelatins production and its relationship with cadmium toxicity in wheat (Triticum aestivum L.) under cadmium stress EI期刊论文 2005 Sun Q.; Wang X. R.; Ding S. M.; Yuan X. F. 收藏  |  浏览/下载：12/0  |  提交时间：2012/06/11 Biomarkers  Cadmium  Concentration (process)  Growth kinetics  Nutrition  Stress analysis  Toxicity