نتایج جستجو برای: nickel cobalt ferrite

تعداد نتایج: 66681  

2012
Jiansheng Su Zhizen Quan Wenfei Han Lili Chen Jiamei Gu

Metallic materials are the basis of dental materials science, which is an important part of dentistry. As a result of their good mechanical properties and some biological properties, metals are widely used in oral rehabilitation of dentition and mandibular defects, orthodontic and dental implants, as well as in the equipment for dental operations. Commonly used metals include nickel chromium, c...

2013
Mothanna Sadiq Al-Qubaisi Abdullah Rasedee Moayad Husein Flaifel Sahrim HJ Ahmad Samer Hussein-Al-Ali Mohd Zobir Hussein Eltayeb EM Eid Zulkarnain Zainal Mohd Saeed Muna Ilowefah Sharida Fakurazi Norhaszalina Mohd Isa Mohamed Ezzat El Zowalaty

In this study, in vitro cytotoxicity of nickel zinc (NiZn) ferrite nanoparticles against human colon cancer HT29, breast cancer MCF7, and liver cancer HepG2 cells was examined. The morphology, homogeneity, and elemental composition of NiZn ferrite nanoparticles were investigated by scanning electron microscopy, transmission electron microscopy, and energy dispersive X-ray spectroscopy, respecti...

Journal: :Crystals 2023

Super-duplex stainless steel (SDSS) shows high mechanical and corrosion resistance because of the balanced structure austenite ferrite. However, maintaining this phase ratio after welding is a challenge. The use stabilizing components recommended to balance microstructure. addition alloying elements presents challenge characteristics Nd:YAG pulsed laser welding. An approach, which has proven be...

Journal: :Electrochem 2022

Nickel–cobalt alloys were prepared by alloy electrodeposition with a sulfamate bath, and the mechanical properties on micro-scale evaluated for application as micro-components in miniaturized electronic devices. Nickel bromide commercially available surface brightener used additives. The cobalt content increased from 21.5 to 60.1 at.% after addition of nickel into grain size refined 21.1 13.2 n...

2013
Kumar Mohit Vibha R. Gupta Sanjeeb K. Rout

Structural, vibrational and microwave dielectric properties of Nickel-Copper-Zinc ferrite (Ni0.2CuxZn0.8−xFe2O4) ceramics have been presented in this paper. Samples have been prepared using conventional auto-combustion method. The X-ray diffraction (XRD) results confirmed the ferrite samples to be of cubic spinel structure, which further was validated by Fourier transform infrared (FT-IR) and R...

Journal: :journal of tethys 0

soil contamination in the vicinity of the abandoned lakan lead and zinc mine was studied. the results showed that over the past decades, the environmental pollution was caused by lead, zinc tailings dam and acid mine drainage. the average of lead, zinc, cadmium, copper and nickel is 1295, 4273, 27, 185 and 92 mg/kg, respectively in the soils of tailings dam. these metals were continuously dispe...

Journal: :Nanoscale 2011
Weimo Zhu Lei Wang Rui Zhao Jiawen Ren Guanzhong Lu Yanqin Wang

The electromagnetic and microwave absorbing properties of nickel ferrite nanocrystals were investigated for the first time. There were two frequencies corresponding to the maximum reflection loss in a wide thickness range from 3.0 to 5.0 mm, which may be bought by the nanosize effect and the good crystallization of the nanocrystals.

Journal: :Acta dermatovenerologica Croatica : ADC 2013
Petra Turčić Sandra Marinović Kulišić Jasna Lipozenčić

Metal allergies can be a clinical problem, especially in atopic individuals. This study is unique and contributes with new knowledge in everyday life skin care of irritant and atopic dermatitis patients. The aim of the study was to determine the frequency of positive patch test reactions to metal contact allergens (potassium dichromate, cobalt chloride, nickel sulfate, white mercury precipitate...

According to the classification of the nickel laterite, this paper describes mineralogy test is to reveal where valuable elements are located in the ore, in which mineralogical form. The purpose of the sieving test was to study if some specific particle size contains most of the valuable metals. Based on its chemical composition nickel laterite is classified as a limonite type and the nickel an...

2003
B. Stein

Mechanical properties of nickel-cobalt alloys (0-10% Co) electroformed with low internal stress in sulfamate-based solutions were investigated in as deposited and heat treated conditions. It was demonstrated that alloy properties can be modified by selecting deposition conditions and alloy composition. Recommendations on alloy selection are made based on application requirements. The higher str...

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