Materials Literature
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The microstructure, chemical composition and self-discharge of some retail available supercapacitors have been investigated. Standard capacities of 1.0, 0.47 and 0.1 F at a maximum potential of 5.5 V were employed in this study. Self-discharge were carried out at room temperature and close to the nominal maximum worki…
Zhang, Fubin, Zhang, Feng (2014): A New Species Of The Genus Allochthonius (Pseudoscorpiones, Pseudotyrannochthoniidae) From Liupan Mountains, China, With The Description Of The Male Of Allochthonius Brevitus. Acta Zoologica Academiae Scientiarum Hungaricae 60 (1): 45-56, DOI: 10.5281/zenodo.5736280
The aim of the paper is to expand the theory of sorption and equilibrium moisture contents as well as to present the methodology of developing two types of sorption isotherms - I and II. The attention is also paid to the importance of the isotherms in the thermodynamics of drying and in the process of storage of agric…
We survey polaron formation in the Barisi\ifmmode \acute{c}\else \'{c}\fi{}-Labb\'e-Friedel and Su-Schrieffer-Heeger (BLF-SSH) model using acoustic phonons in the adiabatic limit. Multiple different numerical optimization routines and strong-coupling analytical calculations are used to find a robust ground-state energ…
The synergistic effect of ammonium polyphosphate (APP) and boric acid (BA) on the flame retardancy and thermal degradation of pine needles was investigated. Thermogravimetric analysis (TGA) showed that the presence of an ammonium polyphosphate and boric acid system increased the char residue and decreased the pyrolysi…
Abstract Entombment is not a novel decommissioning strategy in the history of the nuclear industry. Several projects based on this strategy have been implemented. Despite a significant potential for dose, radioactive waste and cost reduction, entombment has often been disregarded as a viable decommissioning strategy,…
Oriental Journal of Chemistry is a peer reviewed quarterly research journal of pure and applied chemistry. It publishes standard research papers in almost all thrust areas of current chemistry of academic and commercial importance. It provides a platform for rapid publication of quality research papers, reviews and ch…
Low abundance of lithium in Earth?s crust and its high participation in overall cost of lithium-ion batteries incited intensive investigation of sodium-ion batteries, in hope that they may become similar in basic characteristics: specific energy and specific power. Furthermore, over the last years the research has bee…
Günümüzün hızlı değişen ve her an beklenmedik olaylarla sarsılabilen piyasa koşullarında çevik olmayı sağlayabilen kuruluşlar üretim ve satışı başarı ile devam ettirebilmektedir. Bu nedenle, işletmelerin; işbirliği, kaynak kullanımı, ilişkiler, esneklik ve benzeri durumlardan başlayarak kendisini çevik yapacak yolları…
The aim of this study is to establish anthropometric data for garment industries in Bahir Dar City for the design and manufacturing of clothing. Date were collected from nine Bahir Dar City tailors’ adult men measurement for shirt and trouser making. Totally, about 350 and 1000 measurements were collected for shirt an…
A new method of laser plasma deposition had been applied to synthesise the silicon carbonitride (SiCN) coatings on stainless steel substrates and cutting devices using hexamethyldisilazane Si2NH(CH3)6 as a precursor. The precursor vapours were activated by powerful optical pulsating discharge in a high velocity gas st…
A research study demonstrated that rice husks can be used to manufacture boards whichcan be used in low cost housing if bound by Portland limestone cement (CEM II/A-L/32.5R) and reinforced with sisal fibers to cater for their brittle behavior and that suchboards can provide a substitute for wood panels. Boards made of…
This paper studied the cutting properties of Ti-6Al-4V under cryogenic cooling to find a solution for improvement in tool load-carrying, thermal stress, tool life and finish quality. Firstly, this paper established a 3D cutting model of Ti-6Al-4V under cryogenic cooling with liquid nitrogen, and then set the parameter…
In the present paper a preliminary study was performed on the influence of mechanical milling on the synthesis of niobium nitrade. The niobium metal powder sample, passing # 635 mesh sieve, was processed by mechanical milling in SPEX mill for 8 hours using a ball-to-powder ratio of 7:1 and a nitrogen atmosphere. The p…
This paper presents the analysis of graphene layer imposed on the resistance sensing structure. All the studies are directed to determine the quantity and quality of the graphene layer. We present the results of the experiments using atomic force microscopy, electron microscopy and Raman spectroscopy. The Raman spectr…
Optically encoded porous silicon smart particles were successfully fabricated from the free-standing porous silicon thin films using ultrasono-method. DBR PSi was prepared by an electrochemical etch of heavily doped $p^{{+}{+}}$ -type silicon wafer. DBR PSi was prepared by using a periodic pseudo-square wave current.…
The growth of diamond films in metastable condition occurs in two steps: nucleation and growth of crystals. Studies have shown that the nucleation process is the most critical step and essential to optimize the properties of the diamond, but its understanding is still very limited. Furthermore, the nucleation process…
This paper presents an improved field weakening algorithm for synchronous reluctance motor (RSMs) drives. The proposed algorithm is robust to the variations in the machine d- and q-axes inductances. The transition between the maximum torque per ampere (MTPA), current and voltage limits as well as the maximum torque pe…
Interest in the durability assessment and structural performance has increased according to an increase of concrete structures in salt damage environment recent years. Reliable way ensuring the most accelerated corrosion test is a method of performing the rebar corrosion monitoring as exposed directly to the marine te…
In order to find new methods for preparing and improving the performance of optical attenuation slice.Vacuum magnetron sputtering method was used to prepare Ni/SiO 2 composite film optical attenuation slices, with vacuum magnetron sputtering apparatus, at 5,10,15,20,25min sputtering time, 0.2,0.4,0.6,0.8,1.0Pasputteri…