نتایج جستجو برای: magnesium hydroxide
تعداد نتایج: 51617 فیلتر نتایج به سال:
Magnesium hydroxide (Mg(OH)2) is commonly dosed in sewer systems to control corrosion and odour problems by preventing sulfide transfer from the liquid to the gas phase. Current dosing practices do not take the dynamics of sewage flow and sulfide production into consideration. This paper presents the development of an on-line control methodology for the optimised dosing of Mg(OH)2, based on pH ...
Physisorbed water originating from exposure to the ambient can have a strong impact on the structure and chemistry of oxide nanomaterials. The effect can be particularly pronounced when these oxides are in physical contact with a solid substrate such as the ones used for immobilization to perform electron or ion microscopy imaging. We used helium ion microscopy (HIM) and investigated morphologi...
Study of the Thermal Properties and the Fire Performance of Flame Retardant-Organic PCM in Bulk Form
The implementation of organic phase change materials (PCMs) in several applications such as heating and cooling or building comfort is an important target in thermal energy storage (TES). However, one of the major drawbacks of organic PCMs implementation is flammability. The addition of flame retardants to PCMs or shape-stabilized PCMs is one of the approaches to address this problem and improv...
The effects of an antacid containing magnesium and aluminum hydroxide on the pharmacokinetics of pefloxacin in 10 healthy volunteers were investigated. In a randomized crossover design, each subject received an oral dose of 400 mg of pefloxacin either with or without multiple doses of the antacid. The concentrations of pefloxacin and its metabolites in plasma and urine were determined by high-p...
The performance of dye-sensitized solar cells (DSCs) was compared before and after processing the TiO(2) electrodes by minute-order electrochemical reactions with metal nitrates, where the metals were Mg, Zn, Al, and La, in 2-propanol. An overcoating of metal hydroxide was formed without the need for a sintering process, and magnesium hydroxide was found to give the largest improvement in photo...
A new, efficient and mild method for the direct oxidation of selenides to selenones using magnesium bis(monoperoxyphthalate) hexahydrate (MMPP) has been developed. Noteworthy this transformation proceeds at room temperature, employs a cheap and safety oxidant and has a broad functional group tolerance. Moreover, the produced selenones could be useful intermediates for the synthesis of different...
Background & Aims: The topical anesthetic effects of diphenhydramine combined with ingredients such as aluminum and magnesium hydroxide have been used for many years in modern medicine. Due to the limited durability of anesthetic mouthwashes due to saliva secretion and the spreading use of herbal and natural medicines in pharmacotherapy, this study was designed to formulate diphenhydramine in t...
Direct synthesis of hexagonal Mg(OH)2 nanoplates from natural brucite without dissolution procedure.
A facile, dissolution-free route to direct synthesis of hexagonal magnesium hydroxide nanoplates from natural brucite is reported. Stable brucite undergoes disaggregation into thin nanosheets and subsequent solid-solid transformation in the presence of p-toluene sulfonate, circumventing the threshold of size effect from bulk brucite to Mg(OH)(2) nanoplates.
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