نتایج جستجو برای: absorbent
تعداد نتایج: 2379 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...
Introduction: In many studies, nanoparticles was used to remediation of heavy metals from water, results of these study showed that these materials have high power in contaminant remediation from aqueous solutions, and bio-absorbents also have high power in water infiltration. The main purpose of this paper is investigation of effects of adding of iron oxides nanoparticles to chrome removal bio...
water deficit is one of the most important problems facing crop production in arid and semiarid regions in iran. application of super absorbent polymers may somehow control yield reduction in some crop plants under drought stress conditions. in this investigation, the effect of different levels of super absorbent polymer, superab a200 (0, 100, 200, 300 kg/h), and three irrigation intervals (7, ...
Ammonia is a critical pollutant in biological wastewater and not easily separated mechanically due to similar physical properties (e.g., molecular weight, polarity, etc.) water. Currently, an agent for ammonia removal from using zeolites must be mined, which environmental-friendly. The development of sustainable absorbent ammonia-containing therefore desirable. Since microalgae can grow rapidly...
The application of cellulose nanowhiskers in polymeric composites is growing due to its good properties, which expands the applicability in the industrial sector, although many studies are still in the laboratory stage. Silva, R. et al. cites many segments for application of natural cellulosic fibers, wide applicability detaching, from textile industry to some studies for the use of fibers such...
The biological oxidation of ferrous to ferric ion by iron oxidizing bacteria is potentially a useful industrial process for the removal of H2S from industrial gases, desulphurization of coal, and removal of sulfur dioxide from flue gas. In the bioprocess of H2S removal an aqueous Fe2(SO4)3 solution is used as an absorbent. H2S is absorbed and oxidized to elemental sulfur. At the same time, Fe i...
Drought is a great concern in agricultural production, because it restricts normal plant growth, brings about enormous economic loss and deteriorates ecological environment. Proper use of super absorbent polymers (SAP) is helpful in the agricultural and horticultural industry in arid and semi-arid areas, because SAP can ease the burden of water shortage. Because porosity is one of the most impo...
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