نتایج جستجو برای: modified absorbent
تعداد نتایج: 253015 فیلتر نتایج به سال:
Best practice care for prevention and treatment of Incontinence Associated Dermatitis (IAD) includes use of a moisture barrier cream, ointment, or film. However, it has been suggested that some barrier products, particularly those that are petrolatum-based, may interfere with brief absorption. The objective of the study was to test the hypothesis that a unique polymer-based barrier cream has le...
Sound absorbing boundaries can attenuate noise propagation in a long space, but they may lead the sound field hard to be accurately predicted. This paper presents a coherent image source model for sound field in long spaces with a sound absorbing ceiling. In this model, the reflections on the absorbent boundary are separated from those on reflective ones during applying refection coefficients. ...
A new modified magnetic Graphene Oxide with Chitosan and Cysteine wassynthesized for removing Pb2+ ions from aqueous solution. The properties of thisadsorbent were characterized by Field Emission Scanning Electron Microscopy (FESEM),Vibrating Sample Magnetometer (VSM) and Energy Dispersive Analysis Systemof X-ray (EDAX). Physicochemical parameters such as effect of pH, c...
A foam-like mesoporous polymer of melamine-formaldehyde (mPMF) was synthesized and further deposited on disposable screen-printed electrodes (SPEs) for the electroanalysis of Pb(2+) ions in blood. Investigations indicate that the prepared mPMF is ultrastable in water, showing a mesoporous structure and an amine-rich composition, as characterized by electronic microscopy images and IR spectra. I...
In this paper, a novel method of partial coating to reduce the Radar Cross Section (RCS) of a complex shaped perfectly electrically conducting (PEC) aircraft, of electrically large size, is proposed. The physical optics (PO) method is used to identify the hot spots of the PEC aircraft. An empirical procedure is then proposed to coat partial contiguous areas with Radar Absorbent Material (RAM). ...
The Removal of an anionic Reactive Blue 2 (RB2) dye in aqueous solution was successfully achieved using a plasma-modified agricultural biomaterial waste. Sawdust from Moabi (Baillonellatoxisperma) and Sapelli (Entandrophragmacylindricum) modified non-thermal gliding arc plasma. natural raw materials plasma treated were characterized by Infrared Spectroscopy (FTIR), Thermogravimetric Analysis (T...
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