نتایج جستجو برای: magnetic stirrer
تعداد نتایج: 338940 فیلتر نتایج به سال:
The paper discusses the effect of stirrer and container rotation direction on mixing index (Ip). chaos theory is result an in-depth study various problems that cannot be answered by two previous major theories, namely quantum mechanics relativity. Effective flow area does not depend rapid stirring. This uses a with double stirrer, camera, programmable logic controller, tachometer, 6 A adapter, ...
In a novel approach, SLA 3D-printed Pd(PPh 3 ) 4 containing stirrer beads have been used to catalyse the Suzuki–Miyaura reaction between range of substrates.
Textile wastewater including a large number of dyes and heavy metals can have adverse impacts on human health surface water. In this work, biosorption Toluidine Blue from aqueous media onto natural Polypourus squamosus fungi as low-cost biosorbent was investigated. Central Composite Design (CCD) in Response Surface Methodology (RSM) successfully applied to optimize the condition. Medium paramet...
In order to reduce the operating temperature of solid oxide fuel cells (SOFCs), novel electrolyte materials based on CeO2 and BaCeO3 are being developed in the scientific realm. In this context, we propose a new methodology for preparing the nano-ceramic composite materials such as BaCe0.9Gd0.9O3-δ – Ce0.9Gd0.9O2-δ (BCGO–CGO) and BaCe0.8Sm0.2O3-δ – Ce0.8Sm0.2O2-δ (BCSO – CSO) as possible elec...
Kinetic study of epoxidation of unsaturated ketone of mesityl oxide was studied by usingHydrogen peroxide in the presence of dodecyltrimethyl ammonium bromide (DTAB) as aninverse phase transfer catalyst. The reaction was carried out in the two-phase media of waterheptanewith 1:1 ratio in 25 °C. It was found that the order of reaction for mesityl oxide forketone concentration in the range of 0.0...
Background and purpose:Diazinon is an organophosphorus insecticide, which is classified as a relatively dangerous product by the World Health Organization. Entrance of this pollutant into water resources can have detrimental effects on human health and environment. The aim of the present study was to evaluate the performance of pulsed alternative current and the electrocoagulation-flotation (...
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