نتایج جستجو برای: metal index
تعداد نتایج: 589940 فیلتر نتایج به سال:
Heavy metals tend to be adsorbed and accumulated in sediments as opposed to water or suspended solids. Sediments and biota bodis can act as a final sink for heavy metals in the aquatic environments. They accumulate through the food chain posing potential biological and ecological risks. Therefore, research on the heavy metal concentrations in aquatic ecosystems can help to protect human health ...
abstract amino acids are building blocks of proteins, and play a vital role in living beings existence and their functionality. the interaction of these compounds with metal ions is of great importance to biochemists, and chemists, because their functions can be utilized as a model in understanding enzymes mechanism for transport of metal ions to tissues. among twenty essential amino acids w...
Code is one of the rivers influenced by a large number waste-generating human activities in Yogyakarta, Indonesia. Despite continued discharges pollution loads from anthropogenic waste, heavy metal index (HPI)—a water quality assessing ions present body water—remains nationally underutilized. The research was intended to 1) analyze river based on and nonmetal parameters typical domestic 2) calc...
In this paper we report on the study of electrical switching in thin film MOM structures on the basis of transition metal oxides under AC conditions. The materials studied are Nb2O5, TiO2, and WO3, obtained by electrochemical oxidation of the metal, as well as MoO3, obtained by thermal deposition in vacuum. Transformations of dynamic switching characteristics with changes in temperature and fre...
Asymmetric light reflectance associated with localized surface plasmons excited in metal nanoparticles on a quartz substrate is observed and analyzed. This phenomenon is explained by the superposition of two waves, the wave reflected by the air/quartz interface and that reflected by the metal nanoparticles, and the resulting interference effects. Far field behavior investigation suggests that z...
Metal abrasive particle content in lubricating oil is an important index to judge the degree of deterioration of lubricating oil. Established a spiral electrode capacitance sensor by the finite element software ANSYS, the simulation result shows that the sensor is sensitive to the content of metal abrasive particle in lubricating oil, not affect by the metal abrasive particle itself. According ...
Molecular Engineering of Amphiphilic Pyridine Incorporated Conjugated Polymers for Metal Ion Sensors
−Recent developments in the synthesis and structureproperty investigation studies of conjugated polymers have led to the design of novel polymeric materials with tailored properties for advanced technological applications. A promising development in this direction involves the fabrication of conducting polymer based sensors for the detection of metal ions and small organic molecules. Herein, we...
Multimode interference (MMI) effect in metal-insulator-metal (MIM) waveguides is studied in this paper. Theoretical calculation based on the self-imaging principle and the finite element method (FEM) simulation are used to analyze the effect and further guide the design of plasmonic MMI devices. We show that wavelength-selective routing and splitting with high extinction ratios can be realized ...
BACKGROUND No clear evidence is available in the literature regarding the acute effect of different styles of music on cardiac autonomic control. OBJECTIVES The present study aimed to evaluate the acute effects of classical baroque and heavy metal musical auditory stimulation on Heart Rate Variability (HRV) in healthy men. PATIENTS AND METHODS In this study, HRV was analyzed regarding time ...
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