نتایج جستجو برای: percentage of copper
تعداد نتایج: 21173749 فیلتر نتایج به سال:
wilson’s disease (wd) or hepato-lenticular degeneration is a rare autosomal-recessive disorder. a prevalence rate of 30 cases per million and a birth incidence rate of one per 30,000 to 40,000 are often quoted. in 40 to 50% of individuals with wd, hepatic dysfunction is the initial clinical manifestation. with the exception of liver transplantation, treatment of wd is only palliative and intend...
The aim of this research work was to investigate on the ball filling estimation of Miduk semi-autogenous (SAG) Mill via an utilized method. Miduk copper concentrator is located in Kerman Province, Iran, and its size reduction stage includes one gyratory crusher which feeds one SAG mill (9.75 dia.(m)*3.88 length(m)) following two parallel ball mills (5dia.(m)*7lenght(m)). After SAG mill, a tromm...
This paper experimentally studies the heat absorption performance of a heat sink with vertical embedded heat pipes in the aluminum blade. The cooling system with embedded heat pipes distributes heat from the CPU to both the base plate and the heat pipes, and then transfer heat from fins to the Environment. The thermal resistance and heat transfer coefficient are evaluated for natural convection...
the aim of this study was to identify the effect of spermine and salicylic acid on several growth parameters, such as shoot length, shoot fresh and dry weights, amount of protein and carbohydrate, of badami and qazvini pistachio cultivated variety under copper stress. the experiment design was completely randomized with three replicates per treatment and four levels of copper (o.5, 30, 45, 60 µ...
Abstract This study is applied Lattice Boltzmann Method to investigate the natural convection flow utilizing nanofluids in a concentric annulus. A numerical strategy presents for dealing with curved boundaries of second order accuracy for both velocity and temperature fields. The fluid between the cylinders is a water-based nanofluid containing different types of nanoparticles: copper (Cu), a...
copper (cu) is an essential trace element involved in normal reproduction but its over-exposure may produce some detrimental effects. the aim of this study was to investigate the effects of purslane on copper sulfate poisoning on liver structures changes. twenty eight wistar rats were randomly allocated to four treatment groups. group i) control, group ii) copper sulfate (200 mg/kg bw were appl...
adverse outcomes of pregnancy increase among women with high density of hemoglobin. this study evaluates the effects of iron supplementation on serum copper level in pregnant women with hemoglobin higher than 13.2 g/dl. sixty two pregnant women with hemoglobin >13.2 g/dl and normal serum copper levels in their 13-18 weeks of gestation were randomized into case and control groups. from 20 th wee...
The conditional stability constants of metal–sulfide complexes were determined in pH 8 seawater at various salinities, by Ž . flow-analysis with detection by cathodic stripping voltammetry FA-CSV . Two methods were used. The first method was titration of the sulfide by metal with detection of the free sulfide by FA-CSV. The titrant metals were Ag, Cd, Co, 2q 2q 2q 2q 3q 3q Ž . Fe , Mn , Pb , Zn...
In the present study a novel approach has been made to evaluate the toxicity of cadmium in maize (Zea mays L. cv KJ9451) in terms of germination, seedling growth, pigment development and relevant enzyme activity and the possible remedial approach using potassium and copper to reduce cadmium toxicity. For the present investigations maize seeds were sown in petridishes on filter paper in triplica...
Expanding upon work by Diessel & Tomasello (2005, hereafter D&T) and Gries (to appear), 1 this study explores particle positioning in child language as a gradual cognitive-pragmatic development based on statistical distribution of input. The phenomenon of particle position alternation is peculiar insofar as it defines a category of combinations which show syntactic variation without concomitant...
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