نتایج جستجو برای: metallic mineral industry
تعداد نتایج: 295309 فیلتر نتایج به سال:
Bilgi ve iletişim teknolojilerindeki gelişmeler, internet kullanımının hızla artmasıyla bilgi tabanlı bir ekonomik düzen oluşmuştur. teknolojisi, büyümenin önemli itici gücü olduğu yeni dönemde, işletmeden işletmeye (B2B) e-ticarete katılmak şirket başarısının etkeni özellikle küçük orta ölçekli işletmelerin hayatta kalması için önkoşul olmaktadır. B2B e-ticaretin benimsenmesinde işletmeler (KO...
Nanoparticles classified in 4 overall groups containing: Metallic nanoparticles, ceramic nanoparticles, polymeric nanoparticles and semiconductor nanoparticles. These nanoparticles are used in some biomedical applications such as carrying medicine and photographing agents. With attention to different criteria which are both qualitative and quantitative, selecting the most suitable nanoparticles...
Nanoparticles classified in 4 overall groups containing: Metallic nanoparticles, ceramic nanoparticles, polymeric nanoparticles and semiconductor nanoparticles. These nanoparticles are used in some biomedical applications such as carrying medicine and photographing agents. With attention to different criteria which are both qualitative and quantitative, selecting the most suitable nanoparticles...
abstract nowadays, industries cannot play a crucial role in national and international competitions. the tourism industry is no exception. tourism industry development as the most important economic sector and income generation is one of the key challenges of economic development in the world. therefore, countries were successful that take advantage of the capabilities of tourism sector using ...
Microbes play key geoactive roles in the biosphere, particularly in the areas of element biotransformations and biogeochemical cycling, metal and mineral transformations, decomposition, bioweathering, and soil and sediment formation. All kinds of microbes, including prokaryotes and eukaryotes and their symbiotic associations with each other and 'higher organisms', can contribute actively to geo...
Primary and secondary mineral resources are of strategic importance to the EU economy. Montenegro, as a country candidate for membership in EU, is required follow (and later implement) European policies, strategies well initiatives, including those related mining sector. The providing access raw materials future recognized by meeting needs industry, maintaining employment ensuring further devel...
Background and Aims: This is a descriptive and cross sectional study. The aim of this study was to investigate the environmental ranking of industries located at west of Tehran based on the quantitative and qualitative characteristics of industrial wastewaters in 2011. Methods: This study was conducted by site visit, questionnaire completion , database production and results analysis. The q...
Calcium carbonate and calcium-magnesium carbonate in the form of limestone, dolomite, marl, chalk, and Oyster shell are one of the most widely utilized non-metallic materials in the industrial world. The largest use of limestone or calcium carbonate is in the cement industry where it is used as a source of CaO and also in the concrete industry where it is used as the primary coarse aggregate. F...
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