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浏览/检索结果: 共4条，第1-4条 帮助 限定条件 学科主题：environmental sciences & ecology     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 Pollution of intensively managed greenhouse soils by nutrients and heavy metals in the Yellow River Irrigation Region, Northwest China 期刊论文 ENVIRONMENTAL MONITORING AND ASSESSMENT, 2014, 卷号: 186, 期号: 11, 页码: 7719-7731 作者:  Kong, XL;  Cao, J;  Tang, RY;  Zhang, SQ;  Dong, F 收藏  |  浏览/下载：63/0  |  提交时间：2015/12/14 Greenhouse soils  Yellow River irrigation region  Heavy metal pollution  Nutrient accumulation  Principal component analysis   A hybrid model for PM2.5 forecasting based on ensemble empirical mode decomposition and a general regression neural network 期刊论文 SCIENCE OF THE TOTAL ENVIRONMENT, 2014, 卷号: 496, 页码: 264-274 作者:  Zhou, QP;  Jiang, HY;  Wang, JZ;  Zhou, JL 收藏  |  浏览/下载：1/0  |  提交时间：2015/12/16 PM2.5  Ensemble empirical mode decomposition  General regression neural network  Multiple linear regression  Principal components regression   Heavy metal contamination and source in and agricultural soil in central Gansu Province, China 期刊论文 JOURNAL OF ENVIRONMENTAL SCIENCES-CHINA, 2008, 卷号: 20, 期号: 5, 页码: 607-612 作者:  Li, Y;  Gou, X;  Wang, G;  Zhang, Q;  Su, Q 收藏  |  浏览/下载：1/0  |  提交时间：2015/12/14 arid agricultural area  irrigate agriculture  principal component analysis (PCA)   Quantitative structure-activity relationship for prediction of the toxicity of polybrominated diphenyl ether (PBDE) congeners 期刊论文 CHEMOSPHERE, 2006, 卷号: 64, 期号: 4 - 收藏  |  浏览/下载：2/0  |  提交时间：2014/12/05 polybrominated diphenyl ethers  quantitative structure activity relationships  prediction  principal component analysis