نتایج جستجو برای: water vapor adsorption
تعداد نتایج: 619484 فیلتر نتایج به سال:
سنتز فیشر-تروپش نقش مهمی در تولید سوخت های مایع، مواد شیمیایی و سایر محصولات هیدروکربنی دارد. این کار، یک مدل جدید را برای رآکتور سنتز فیشر-تروپش ارائه می دهد که در آن زئولیت 4a با ترکیب na12(si12al12o48).27h2o به عنوان جاذب آب در نظر گرفته شده است. برای این منظور، یک رآکتور گاز-جامد متحرک-بستر ثابت به جای رآکتورهای مرسوم بستر ثابت مورد استفاده قرار گرفته است. مزیت اصلی این رآکتور گاز-جامد متحر...
Piezoelectric dynamometers are out of use in high humidity. Experimental results showed that piezoelectric coefficients measured by the force-induced charges method initially fluctuated in a small range and then was unstable, and they could not be measured at high relative humidity (RH). The traditional shielding method-insulation paste was not quiet convenient, and it even added the weight of ...
A system is disclosed for condensation particle counting in conjunction With modifying an aerosol to enhance the for mation and groWth of droplets of a selected Working ?uid, preferably Water. Before saturation With the Working ?uid, the aerosol is exposed to an aerosol modifying component, preferably a vapor including molecules that are adsorbed onto surfaces of the particles or other elements...
A system is disclosed for condensation particle counting in conjunction with modifying an aerosol to enhance the formation and growth of droplets of a selected working fluid, preferably water. Before saturation with the working fluid, the aerosol is exposed to an aerosol modifying component, preferably a vapor including molecules that are adsorbed onto surfaces of the particles or other element...
SUMMARY The manufacture of magnetic tape commonly requires the use of large amounts of mixed solvents that must be evaporated and then collected. The most widely used method for controlling the solvent emissions from the coating line is carbon adsorption. The solvent is recovered from the carbon by steam injection into the solent-laden bed, condensation of the water-vapor mixture, and separatio...
The porous silicon (PS) surface modification diagnostics due to functionalization and water adsorption/desorption processes were provided by the self-action effects of picosecond range pulsed laser radiation at 1064 nm. It was shown that the PS surface functionalization-oxide removal, alkylation, and oxidation-resulted in a refractive nonlinear optical (NLO) response sign turn to self-focusing ...
Vapor-phase molecules are adsorbed at air-water interfaces to a much greater extent than can be explained by air-water partition coefficients, indicating that interface adsorption can play an important role, and this can be very important for environmental phenomena. On the basis of a statistical thermodynamic analysis, we separate the observable free energy of adsorption into a dimensionality ...
We present a density functional theory investigation of the interaction between water and cerium oxide surfaces, considering both the stoichiometric and the reduced surfaces. We study the atomic structure and energetics of various configurations of water adsorption (for a water coverage of 0.25 ML) and account for the effect of temperature and pressure of the environment, containing both oxygen...
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