نتایج جستجو برای: magnesium oxide
تعداد نتایج: 212160 فیلتر نتایج به سال:
This paper is a review regarding magnesium and zinc influence on smoking and tobacco addiction. Magnesium and zinc are two very important bivalent cations involved in different functions of central nervous system. There are different mechanisms by which magnesium can decrease the nicotine addiction. Magnesium decrease the dopamine release and the NMDA receptor stimulation by glutamate (two esse...
in order to prevent water losses through disposing hydrous sludge during treatment of water, also recovery and reuse of chemicals; treatment by magnesium carbonate as a coagulant was examined in batch and continuous systems. 600 mg/1 mgco3 as optimum dosage reduced 80% turbidity of a highly turbid water containing 200 ntu. sulfates decreased, but hardness and alkalinity showed some increases. r...
Present study was undertaken to analyze and select most appropriate method for removal of fluorides in rural areas. Five methods were analyzed in details with mechanism and limitations.The methods are: Activated Alumina, Red Mud, Montmorillonite, Nalagonda Technique and Magnesia. The Study reveals that magnesia is the most appropriate fluoride treatment device for rural areas.
CONTEXT Nutritional supplements advertised as ergogenic are commonly used by athletes at all levels. Health care professionals have an opportunity and responsibility to counsel athletes concerning the safety and efficacy of supplements on the market. EVIDENCE ACQUISITION An Internet search of common fitness and bodybuilding sites was performed to identify supplement promotions. A search of ME...
introduction: some studies show magnesium has anticonvulsive effect in some animal models. despite of the availability of well-studied anticonvulsant drugs, this evaluation was not carried on new kind of magnesium supplement, magnesium oxide nanoparticles (nmgo). according to the interaction between magnesium and convulsion, this study was designed to evaluate the effect of nmgo on strychnine-i...
Metal powders are combined due to high heat reaction with oxygen, improve the density of the propellant, decrease the pressure exponent (n) and Higher combustion heat, and as a result of higher ISP in propellant. Aluminum, magnesium and boron have found a wide application in propellant formulations. Boron, due to high oxidation heat and low atomic weight, is one of the best elements known. Unfo...
In 1935, shortly after moderate sized artificially grown crystals of magnesium oxide became available, two papers were published dealing with the optical properties of this material. 2 Strong and Brice measured the index of refraction of two prisms, cut from the same crystal, by photographic and visual means over the range from 2536 to 7065 A. Barnes, Brattain, and Seitz investigated the transm...
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