نتایج جستجو برای: petroleum and chemical products and food products
تعداد نتایج: 16938084 فیلتر نتایج به سال:
the methods, the technology, the production patterns, the equipment, the capacity of the domestic infrastructure of each country, the mechanism of market capacity, market chains, releasing and distribution channels of agricultural and food product, purchasing patterns, and food consuming of consumers affect on the wastes of food products. regardless of the level of economic and social developme...
Mammalian cells incur DNA damage and alterations as a result of internal factors, such as stress, environment, oxidation and metabolism, as well as exposure to external stimuli, such as chemical compounds, UV and cosmic radiation. Genotoxicity studies aim to identify and understand the mechanisms of DNA damage and repair, and also to seek methods of pathway regulation and dysregulation for impr...
taking advantage of the new technology, supply chain has already created a chain of cooperation among its own companies, and, in a larger scale, within a universal environment. superior to these technologies is rfid which is an abbreviation for radio frequency identification. rfid is one of the most advanced technologies in the contemporary world. perishable products and hose with short time ex...
the quality of firms’ reaction against demand uncertainty affects the production inputs employment. in this research i have studied and compared the behavior of active firms in manufacturing sector with respect to the risk attitude and tested it’s effect on production inputs combination(with the special emphasize on labor employment). the research findings reveal that active firms in manufactur...
Post-harvest diseases are one of the main causes of reducing the supply of fresh garden products. The occurrence of post-harvest diseases can affect the quality and limit the shelf life of fresh horticultural products. Currently, strict ordinances apply to import agricultural products. One of these regulations is the minimum residual pesticide residue in the fresh food sector. On the other hand...
abstract in aggregate, active forms of reactive silica with mineral names are sometimes associated with sand and gravel in concrete mixture. alkali hydroxides originated from alkalis in the cement or other resources form an alkaline silica gel with this reactive silica which becomes swallowed and expanded during time causing damage to concrete. there have been growing researches on alkaline r...
The humerus is often used to assess skeletal health in laying hens. It usually contains an airsac in the central cavity, but studies have demonstrated that the humeri of some hens do contain medullary bone. This study used radiographs to compare the incidence of increased radiodensity in the central cavity of humeri between lines of highproducing non-commercial laying hens. Hens of six lines (n...
In this paper, the Expanding extraction method of Dietzenbacher & Lahr (2013) is used and in the form of Input-Output general equilibrium model. The article assesses and evaluates the importance of the energy sector and its sub-sections in the Iranian economy based on Iranian input-output table of 2017 that is updated by RAS approach. In this way, the 10% reduction in the supply of coal, crude ...
The purpose of this study is to validate the consequences and results of creating a maturity of green human resources in the first class areas of the National Iranian Petroleum Products Distribution Company. This research is a descriptive research and correlational studies. After confirming the validity and reliability of the statistical population questionnaire, the employees have an organizat...
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