نتایج جستجو برای: concentration of cu 956 ppm
تعداد نتایج: 21186069 فیلتر نتایج به سال:
Our aim to establish the metal (Pb, Cd, Cr, Cu and Zn) levels of Mammalian scat samples deriving from sanctuaries of western Rajasthan and comaprision between the concentrations of Talchaper Blackbuck Sanctuary, Churu and Dhavadoli Protected Area, Jodhpur. Restric tions on the sampling because of Wildlife Protection Act (1972) prevents taking of samples of living tissues to analyse body burdens...
Co-PI’s: Antony D. Clarke, Dept. Oceanography; John N. Porter, and Barry R. Lienert, HIGP University of Hawaii, 2525 Correa Road, Honolulu, HI 96822 phone: (808) 956-6215 fax: (808) 956-7112 email: [email protected] (ADC) phone: (808) 956-6483 fax: (808) 956-3188 email: [email protected] (JNP) phone: (808) 956-7815 fax: (808) 956-3188 email: [email protected] (BRL) Award # ...
Abstract Background and purpose: Heavy metals are the most important contaminants that enter the sea through rivers and shore zones and aggregate in the aquatic body through food chain. The purpose of this study was to compare the concentration of heavy metals (cadmium, copper, zinc, lead, and nickel) in the muscle tissue of Banana shrimp as the most abundant used species in Bandar Abbas, an...
The substantial of mineral ingredients in honey may symbolize the existence of elements in the plants and soil of the vicinity wherein the honey was taken. The aim of this study was to detect the levels of 13 elements (Potassium (K), Sodium (Na), Calcium (Ca), Iron (Fe), Zinc (Zn), Cadmium (Cd), Copper (Cu), Manganese (Mn), Lead (Pb), Nickel (Ni), Chromium (Cr), Aluminum (Al), and Selenium (Se)...
The physical and antibacterial properties of mineral trioxide aggregate (MTA) have been improved by adding copper nanoparticles (CuNP). CuNP colloid was synthesized reacting CuCl2·2H2O NaBH4 as the reducing agent using C6H8O6 capping agent. Cu(II) concentration varied 3.0, 6.0, 9.0 mM to produce CuNP-3, CuNP-6, CuNP-9 colloids, respectively. colloids were characterized with a UV-Vis spectrophot...
The reaction of Cu(dmp)2 with NO has been investigated for potential development into an optical fibre chemical sensor. In aqueous solutions, a linear calibration (r= 0.9950) was obtained between 0 and 2.5 M NO with a detection limit of 0.32 M (∼0.0096 ppm) (s/n = 3). The complex electrostatically immobilised in nafion produced a highly linear calibration (r= 0.999) between 0 and 3 ppm in NO ga...
Abstract The nanomaterial containing amphiphile‐stabilized mononuclear Cu(II) is developed. material characterized by various spectroscopic techniques, such as X‐ray absorption spectrscopy (XAS), high‐resolution transmission electron microscopy, nuclear magnetic resonance (NMR), UV‐vis, and infrared spectroscopies. Since the structural data for amphiphile‐bound center not available, a theoretic...
The influence of Cu doping on phase transition, thermal strain, and expansion property polycrystalline Ni 50 Mn 23− x Ga 27 ( = 1, 3, 5, 6 7) alloys is investigated. results show that with increasing concentration, martensitic transformation gradually gets close to Curie transition. A magnetostructural transition (MST) observed in samples 7. Such MST can enhance magnitude strain. Besides, posse...
The study area is located northwest of Iran (38 km SW of Qorveh); which is a part of Sanandaj-Sirjan Zone. The lithology of this pegmatite complex varies from pegmatitic syenogranite to granodiorite, which were intruded in the dolomitic marbels of the area. Field observation, thin sections studies, XRD, XRF and ICP analyses on minerals and rocks in the area show that the composition of these pe...
Deterioration of seeds is an important factor to reduce seeds vigor and limit germination. The purpose of this research was to evaluate the influence of gibberellic acid hormone on recovery of seeds and improvement of quality and seedling growth in Varamin cotton seed, an experiment was conducted in a completely randomized way in three replications. Treatments included: two levels of deteriorat...
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