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千枚岩土掺入红黏土混合填料路用工程性质研究
¥28.8(8折)定价:¥36.0本书成果提出“特殊土混填相互改良”的思路,以两种不良填料相互掺合以提高单一填料的某种工程性质,降低某种缺陷,以达到“以害治害的”目的。核心思想为以千枚岩风化土的来降低红粘土的降低裂隙率;以红粘土的高粘聚力增加千枚岩风化土的可压实性和强度。课题研究不同掺合比混填料的工程特性及干湿循环后物理性质、裂隙特性及强度演变规律,建立相关工程性质指标随掺合比的数学预估模型,对两种特殊土混合填料应用理论与改性机制进行完善,突破不良填料必须“分开、分层
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游泳池/温泉中去除隐孢子虫卵囊的技术方法研究
¥18.7(7.2折)定价:¥26.0Cryptosporidium outbreaks in recreational water venues have threatened public health, espely in swimming pools. There is still no reliable treatment technique to remove Cryptosporidium oocysts from swimming pools. The p
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稻壳和麦秆及其萃余物的逐级氧化
¥24.9(8.3折)定价:¥30.0本书研究内容和成果如下: 在温和条件下, 以NaOCl水溶液为氧化剂, 分别对稻壳和麦秆两种生物质进行逐级氧化降解 ; 用FTIR和GC-MS等对降解产物进行详细分离分析与表征, 获得降解产物的组成信息进而推断可能的前驱体结构 ; 用元素分析、SEM和EDS等手段分析各级氧化残渣的成分与形貌, 推测生物质分子结构及各组分氧化降解反应机理...
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资源可持续发展(SUSTAINABLE RESOURCE DEVELOPMENT)
¥36.0(8折)定价:¥45.0Sustainable development is a means of meeting present needsin ways that do not impair futur egenerations and other species from meeting their needs.is textbook helps students to understand environmental protection and s