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不同铺设年限荒漠人工草方格内土壤养分的动态变化规律研究——以腾格里沙漠南缘草方格沙障为例
学位论文
学士, 兰州: 兰州大学, 2018
Authors:
孙颖
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View/Download：41/0
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Submit date：2019/01/17
草方格沙障
铺设年限
土壤养分
腾格里沙漠
两种机械治沙工程力学特征的初步分析
学位论文
硕士, 兰州: 兰州大学, 2002
Authors:
王振亭
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View/Download：4/0
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Submit date：2019/01/18
风沙问题
力学分析
草方格沙障
栅栏沙障
