نتایج جستجو برای: Green binders
تعداد نتایج: 144543 فیلتر نتایج به سال:
BACKGROUND It is important for industries to find green chemistries for manufacturing their products that have utility, are cost-effective and that protect the environment. The paper industry is no exception. Renewable resources derived from plant components could be an excellent substitute for the chemicals that are currently used as paper binders. Air laid pressed paper products that are typi...
Glycidyl Azide Polymer is one of the most important energetic binders that is used in the composite solid propellant formulation. GAP is a unique binder with a positive heat of formation (+117.2 kJ⁄mol). In addition, GAP has good thermal and physical properties such as low glass transition temperature, low viscosity and high density compared to other energetic binders. GAP can be used as a bin...
In recent decades there has been great interest in the design of highly sensitive sequence-specific DNA binders. The eligibility of the binder depends on the magnitude of the fluorescence increase upon binding, related to its photophysics, and on its affinity and specificity, which is, in turn, determined by the dynamics of the binding process. Therefore, progress in the design of DNA binders r...
Since the number of threats originated from chemicals and chemical processes to human health and environment is not negligible, green chemistry has attracted the attention of researchers and scientists. It seems that application of the green chemistry principles in all stages of design energetic materials and production processes, optimizing or disposal of wastes and industrial effluents would ...
binders are of prime importance in the agglomeration of iron ore concentrates. in this research, strength and density of briquette produced from the magnetite concentrate of gol-e-gohar were investigated using different binders at various applied pressures. the results showed that peridor was the most effective binder relative to bentonite and lime. for all types of binders, the increase in bin...
In spite of broad improvements in construction technology, cement is still stayed as binding material for construction purposes. Cement industries are the main sources for the contribution of carbon dioxide (co2) into the atmosphere. So, there is a need to use new materials as binders (green binders) in substitute for cement, which leads to reducing the production of cement. In this study, fly ...
The authors and collaborators have devised innovative technologies that decrease foundry costs, pollution, materials use, and energy. These include: (a) applying advanced oxidation to green sand and baghouse dust to diminish clay, coal, sand, volatile organic compounds (VOCs), and costs; (b) replacing phenolic urethane core binders with collagen-alkali silicate binders to diminish VOCs; (c) rep...
Binders are of prime importance in the agglomeration of iron ore concentrates. In this research, strength and density of briquette produced from the magnetite concentrate of Gol-E-Gohar were investigated using different binders at various applied pressures. The results showed that peridor was the most effective binder relative to bentonite and lime. For all types of binders, the increase in bin...
We investigate regular languages on infinite alphabets where words may contain binders on names. To this end, classical regular expressions and automata are extended with binders. We prove the equivalence between finite automata on binders and regular expressions with binders and investigate closure properties and complementation of regular languages with binders.
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