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Rainwater quality assessment of a solidified soil cistern using new construction technology

Journal of Southeast University(English Edition) 2014年第2期30卷 240-245页

作者：许秀泉高建恩中国科学院教育部水土保持与生态环境研究中心杨凌712100 西北农林科技大学水利与建筑工程学院杨凌712100 西北农林科技大学水土保持研究所杨凌712100 西北农林科技大学资源环境学院杨凌712100

A plastic mixture construction technology using MBER （material becoming earth into rock） soil stabilizer is introduced and the water quality of a solidified soil cistern using the technology is analyzed. Rainwater was harvested in July, 2012. Water quality of runoff and cistern water after storage was measured, including turbidity, chemical oxygen demand （COD）, total nitrogen, nitrate, and ammonia. Results show that pollutant concentrations in runoff decreased with time, indicating that runoff in the early time should be removed. Nitrate concentrations in cistern water increased after storage, while the remaining parameters decreased. Measured pollutant concentrations did not exceed the limit according to the standard for drinking water in China. It can be concluded that the solidified soil cistern with plastic mixture construction technology can provide available water for domestic use.

关键词： soil stabilizer cistern construction technology water quality

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Suitability and Sustainability of Rainwater QualityMonitoring System in cistern for Domestic Use

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Journal on Internet of Things 2023年第1期5卷 1-11页

作者： Kenedy A.Greyson Department of Electronics and Telecommunication Engineering Dar es Salaam Institute of TechnologyP.O.Box 2958Dar es SalaamTanzania

Rainwater harvesting(RWH)systems have been the source of domestic water for many years and still becoming essential in many communities of developing ***,due to various reasons,there are several sources of contamination in the rainwater cistern *** chemicals from the roofing,storage,and conveyance materials,together with the suspended particulate matter from the airborne,are examples of water *** this work,the water quality monitoring system has been designed and *** and physical parameters of water samples were collected from three locations using a data acquisition(DAQ)system and rainwater quality was analyzed using Water Pollution Index(WPI).Results obtained from three locations have been presented.

关键词： cistern DAQ system monitoring system RWH system water pollution WPI

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The Development and Application of CISMOD 1.0, a New Computerized Tool for Designing Wildlife Rainwater cisterns

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Computational Water, Energy, and Environmental Engineering 2021年第2期10卷 71-81页

作者： Ariel Ortega Dave Menicucci University of NM Albuquerque NM USA Sandia National Labs (retired) Albuquerque NM USA

This article reports on a case study of the research and development of a new tool to assist in the design of rainwater cisterns. A rainwater cistern is a way to improve wildlife habitat because it can be situated in locations that do not have natural water sources, such as streams or wells that can supply water for storage. However, the design and sizing of such a system can be challenging because a number of constantly varying factors must be considered, such as changing precipitation patterns, the evaporative losses from the cistern and animal water consumption. No standardized sizing methodology currently exists for designing wildlife rainwater cisterns. In this article we present a new method for assisting in optimally sizing a rainwater cistern. We discuss how we implemented the quantitative portion of this methodology into a new Excel? model called CISMOD, which we configured for general use by wildlife professionals. We describe the methodology for designing a rainwater cistern based on standard engineering techniques. We then present and discuss our experience in applying the model to design two rainwater cisterns in an area of the Jemez Mountains in northern New Mexico, USA. The CISMOD model and a user manual are available at no cost for wildlife professionals.

关键词： cistern Wildlife Design Sizing Construction

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Household model of rainwater harvesting system in Mexican urban zones

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Journal of Southeast University(English Edition) 2014年第2期30卷 175-180页

作者： José A.Gleason-Espíndola Faculty of Architecture and Urbanism University of Guadalajara

This paper describes a household model of the rainwater harvesting system in residential development of Tlaquepaque Jalisco Mexico. Harvested rainwater is estimated for designing a rainwater catchment system which reflects the maximum water supply to a *** on the estimation of the harvested rainwater the total water demand is calculated in order to explore the possible uses of rainwater. Major components in the rainwater catchment system are as follows catchment area downspout roof drain pipe and first flush tank cistern infiltration well pumping station and filtering system and ultraviolet UV water *** rainwater harvesting system is designed to operate as the part of the central water supply *** paper exposes the process of design and construction and its *** this way it aims to establish a technical and conceptual reference which enables the citizens to design their rainwater systems and their construction. This model will produce an important experience that can help to improve the systems in a Mexican *** can be also useful for the international community.

关键词： rainwater harvesting system water supply water demand catchment area cistern

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Ultrastructural Pathology of Nerve Cells in Mouse Brain Infected with Epidemic B Encephalitis Virus

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Journal of Medical Colleges of PLA(China) 1989年第2期4卷 151-157页

作者：盛鹏晏良遂 Department of Pathology Third Military Medical CollegeChongqing

An animal model of epidemic(Japanese)B encephalitis was estabilisged by injecting theJin Wei Yah 1 stain of B encephalitis virus into the peritoneal cavity of *** ultrastructuralchanges of the nerve cells in their brains were studied,special attention being paid to some types ofnerve cell in the cerebellar *** infectet Purkinje cells and especially the granular cells showedspecial and inter,sting pathological *** were compared with the changes found in the in-fected nerve cells in the cerebral cortex,diencephalon and mesencephalon.A radiating structure consisting of a microveside-microtubule aggregation body at the centerand endoplastic reticulum or virus replication multivesicular structures around it was often found in thein fected nerve *** morphological features were described in detail,and its significance and the se-quenoe of events of its development *** the late stage of infection,virus particles were found in the nuclei of part of the *** is considered that they entered the nuclei from the cytoplasm during or after the death of theinfected *** observation smade in this study have comfimed in the granular cell of the cerebellum theidea of Chert et *** the encephalitis B virus particle can he formed in the perinudear cistem ofthe infected nerve cell,and have brought forth further information in this *** way of releaseof the virus particles from the infected nerve cells observed in this study is fundamentally consistentwith that observed by Chen et *** most of the virus particles left the nerve cell via the cell pro-

关键词： nerve cell ultrastructural pathology experimental B encephalitis mice virus replication perinuclear cistern radiating structure virus particles,necrotic cell nucleus

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