نتایج جستجو برای: soil refining
تعداد نتایج: 191872 فیلتر نتایج به سال:
In this thesis, I propose a holistic approach for capturing, analyzing, and refining behavioral requirements of a software system by synthesizing, analyzing, and refining Modal Transition Systems in a scalable manner.
gol-e-gohar iron ore mine of sirjan in southern part of iran is a large open pit that operates below the groundwater table and during mining operation, dewatering is required to prevent operation processes from flooding. current operation is going on by digging wells in or out of the pit and pumping to prevent flooding. as a result of the former dewatering operation a vast deep cone of depressi...
As part of a program to reduce electrical energy consumption in the refining process, the effects of the ozone and alkaline peroxide treatments on fibre and handsheet properties, prior and subsequent to low consistency (LC) refining, were assessed and compared by applying different levels of ozone and a range of peroxide and alkali charges to a primary stage hemlock thermomechanical pulp (TMP)....
Amid recent climate difficulties, integrated soil fertility management (ISFM) strategies are vital in restoring fertility, enhancing yield, and achieving the farmer community’s well-being. This study examines ISFM’s adoption impact on wheat yields Punjab, Pakistan, by employing an endogenous switching regression model (ESRM). The selection equation highlights multiple factors such as age, gende...
Thermal Infra Red (TIR) Remote sensing allow spatializing various land surface temperatures: ensemble brightness, radiometric and aerodynamic temperatures, soil and vegetation temperatures optionally sunlit and shaded, and canopy temperature profile. These are of interest for monitoring vegetated land surface processes: heat and mass exchanges, soil respiration and vegetation physiological acti...
High strength aluminum alloys, especially those containing zirconium, are historically difficult to grain refine. Early efforts by Alcoa indicated that the addition of lithium to these alloys increases difficulty with grain refinement. Although grain refining of alloys 2090 and 2091 was possible, consistent results were not obtained. Statistically-designed experiments were used to quickly ident...
Although there have been numerous studies examining the toxicity and carcinogenicity of nickel compounds in humans and animals, its molecular mechanisms of action are not fully elucidated. In our research, NIH/3T3 cells were exposed to nickel-refining fumes at the concentrations of 0, 6.25, 12.50, 25, 50 and 100 μg/mL for 24 h. Cell viability, cell apoptosis, reactive oxygen species (ROS) level...
OBJECTIVES To provide a concise and practical guide to the development, modification, and use of behavioral coding schemes for observational data in pediatric psychology. METHODS This article provides a review of relevant literature and experience in developing and refining behavioral coding schemes. RESULTS A step-by-step guide to developing and/or modifying behavioral coding schemes is pr...
To get suitable ladle slag which can avoid slag sticking onto the RH immersion tube during RH refining process of IF steel, the effect of composition on melting point and viscosity of RH refining ladle slag was studied by different additives which is based on CaO. The results of melting point and viscosity testing experiments indicates that, the melting point and viscosity of RH refining ladle ...
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