نتایج جستجو برای: sized zinc oxide
تعداد نتایج: 283495 فیلتر نتایج به سال:
In the recent era zinc oxide nanoparticles attracted the researchers due to their unique properties and applications in optoelectronic devices. Zinc oxide nanoparticles are the semiconductor materials having band gap energy 3.37 eV and very large excitation binding energy (60meV) at room temperature. Also it is non-toxic, environmental friendly and transparent to visible range of spectrum. In t...
results analysis by xrd showed 78.1% zno (sized 24 nm), 2.5% zn (sized 44.88 nm) and 4.8% zns (sized 12 nm) produced by p. stutzeri. the nanoparticles showed anti-bacterial activity against some of the gram positive and negative bacteria. in addition, the nanoparticles showed magnetic properties. the best condition for nano zinc production was at ph 7, in the light and at 37 °c. czcc gene with ...
In order to evaluation the effects of mycorrhiza, plant growth promoting rhizobacteria and nano zinc oxide foliar application on effective traits at grain filing of triticale under soil salinity condition, a factorial experiment was conducted based on randomized complete block design with three replications in research greenhouse of Faculty of Agriculture Sciences, University of Mohaghegh Ardab...
The water-soluble zinc salts gluconate, sulfate, and acetate are commonly used as supplements in tablet or syrup form to prevent zinc deficiency and to treat diarrhea in children in combination with oral rehydration. Zinc citrate is an alternative compound with high zinc content, slightly soluble in water, which has better sensory properties in syrups but no absorption data in humans.We used th...
The water-soluble zinc salts gluconate, sulfate, and acetate are commonly used as supplements in tablet or syrup form to prevent zinc deficiency and to treat diarrhea in children in combination with oral rehydration. Zinc citrate is an alternative compound with high zinc content, slightly soluble in water, which has better sensory properties in syrups but no absorption data in humans. We used t...
The aim of this study was to determine effect of in ovo injection of nanoparticles of zinc oxide on hatching, growth performance and carcass yield of broiler chicks after hatching. In total, 324 fresh hatching eggs were randomly distributed into six treatment groups of 54 eggs per treatment with three replicates of 18 eggs each, and injections were performed on day 15 of incubation. The treatme...
Background : One of the major disadvantages of zinc oxide in aqueous solution is the light unstability of this catalyst due to the light corrosion which causes substantial reduction of photocatalytic activity of zinc oxide and application of it for environment purification. In this study, the performance of photocatalytic of UV/Silica-ZnO was compared in dye and COD removal by UV/ZnO. Materials...
Forty-five Angus steers (avg initial wt 330 kg) were individually fed for 112 d to assess the value of supplemental Zn and source on performance and carcass quality. Steers had ad libitum access to a control diet (81 ppm Zn) of 33% whole corn, 33% ground milo, 15% cottonseed hulls and 13% cottonseed meal, or this control diet with 360 mg Zn/d added from either zinc methionine or zinc oxide. Ste...
Background and Objectives: Water pollution with oil compounds causes the development of new technologies to eliminate oil pollution. The purpose of this study was to determine the efficiency of synthesized zinc oxide nanoparticles in the adsorption of oil from aqueous media. Materials and Methods: In this laboratory study performed in the summer of 2019, zinc oxide nanoparticles were used as a...
introduction: pulpectomy is a conservative treatment plan for primary necrotic teeth and zinc oxide eugenol is still a good choice as root canal filling material but long term studies on poor prognosis molars are limited and almost contradictory. the purpose of this study is to evaluate the clinical and radiographical success rate of pulpectomy of necrotic primary molars using zoe as the root c...
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