نتایج جستجو برای: natural pozzolans
تعداد نتایج: 481753 فیلتر نتایج به سال:
The objective of this work was to investigate and demonstrate the pozzolanic properties bentonites found at San José–Los Escullos deposit, located in southeast Iberian Peninsula, be used manufacturing more durable environmentally compatible cements, mortars concretes. These are mainly composed smectites, with montmorillonite as main clay mineral. They were formed by hydrothermal alteration tuff...
nowadays, the separation of pistachios which seem to have aflatoxin is done according to their organoleptic physical qualities like color and etc. as these methods are not fully practical, and there is always a possibility of error and also the conditions like the wrong time harvest, the transportation of picked pistachios, the delay on the processing cause some contaminations in pistachios wh...
health care management in disasters is one of the main parts of disaster management. health in disasters is affected by performance of various sectors, and has an interactive impact on various aspects of disaster management. the aim of this study was to identify the most important themes affecting the healthcare management in disaster.in this qualitative study with a content analysis approach, ...
Channel lining is essential to increase resistance against scour, reducing water losses and as a result increase water conveyance efficiency. Since the canal lining has significant costs, selection of type of lining must be made with great care and with considering engineering properties. One of the conventional lining for water conveyance cannel is concrete lining. Because of advantages of con...
background: patients with rheumatoid arthritis (ra) suffer from wide ranges of autoimmune reactions in joints. the mechanism of which is generally unknown and maybe associated with treg deregulation. objective: to compare the frequency of ntregs in peripheral blood of patients with active rheumatoid disease with healthy individuals. methods: twenty five newly diagnosed patients with active ra d...
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