Materials Literature
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The article is devoted to studying of influence of nitrogen-containing pitches on properties of technical types of paper. Influence of conditions of receiving pitches on hydrophobic and physical mechanical properties of samples of paper from cellulose and waste paper is shown. It is established that efficiency of effe…
Tato bakalářská práce popisuje, jak snížit úroveň nebezpečného odpadu formou péče o emulzní kapaliny, které jsou používány během strojního opracování výrobků ve strojírenství.Úvodní část bakalářské práce představuje základní druhy emulzí.Druhá část seznamuje s platnou legislativou pro nakládání s emulzními kapalinami.…
The expressions to determine forces from the regulation forces in the redundant linkage of the design scheme that meets the steel structure at some reconstruction stage is presents. These forces are defined by linear combination of unit basic forces that obtained from solving a matrix system of equations finite elemen…
Cellulose fibres have properties such as renewability, biodegradability, very good availability and low cost that make them very attractive as a reinforcement for thermoplastic polymers. Other more specific favourable properties are low density, high specific stiffness, low abrasive nature and their potential for modi…
Nanocystalline Cu0.2Ni0.8Fe2O4 of average particle size 3 nm was synthesized through chemical coprecipitation method followed by annealing at various temperatures. The formation of cubic spinel structure in single phase and the crystallite growth was confirmed using XRD. The dielectric behavior as a function of freque…
LAHW (laser-arc hybrid welding) is a process that has been thoroughly studied and improved since its creation in the 1970s. Although today it has many industrial applications, but actually it might ...
A method is developed, which allows to determine category of the technical condition of bending reinforced concrete structures based on a probabilistic interpretation of the actual values of strength, based on the actual load level.
Chitosan is a non-toxic, antibacterial, biodegradable and biocompatible biopolymer used extensively for biomedical applications such as tissue engineering, drug and gene delivery, wound healing etc. Electrospinning of chitosan solution in acetic acid (50%) was carried out at 25 kV, gap distance of 155 mm, flow rate 13…
It was established, that natural and modified zeolites inhibit mild steel corrosion in acid rain solution. The zeolite modified by Ca ions has highest inhibiting efficiency. Addition of Ca-zeolite to alkid coatings significantly increases their corrosion resistance. Synergistic protective effect has been revealed in c…
Kivonat: A nanorészecskék felhasználása napjainkban egyre szélesebb körben elterjedt úgy a gyógyászatban, mint az iparban és a környezetvédelemben.A titanát nanorészecskék oxidatív tulajdonságát kihasználva a víztisztításban arzénmentesítésre és a vizek fertőtlenítésére is kitűnően alkalmazható, azonban különleges hat…
From the analysis of the literary data existing approaches to an interface interaction assessment in bulk composites with the febrile form hardened are considered. Conclusions concerning area of possible application of these assessments are drawn at transferring to nanostructure composite systems. Feature of systems w…
Import 26/06/2013
This paper presents the preliminary results from a project aimed to assess the mechanical behaviour of bamboo under various loading conditions. For this purpose, a number of bamboo ring specimens were prepared from dry moso bamboo, and were compressed in the radial direction. The plots of load versus displacement were…
The study involved two separate sections.In the first part of the study single and multiple chromium and tungsten Fischer carbene complexes were synthesised on tri(2-furyl)phosphine, tris(4-bromophenyl)amine and N,N-dimethylaniline(arene)tricarbonylchromium.The reaction of tri(2-furyl)phosphine (PFu 3 , Fu = C 4 H 3 O…
Scanning electron microscopy, low-temperature nitrogen adsorption and laser diffraction techniques were used to determine changes in surface morphology, porosity, specific surface area and particle size of natural mineral sorbent with montmorillonite and clinoptilolite structural components modified with solutions of…
Ove 2013. godine obilježavamo 50 godina organizirane zastite od zracenja u regiji koja pocinje osnivanjem Jugoslavenskog drustva za zastitu od zracenja (JDZZ) u Portorožu 1963. godine. Sekretar prve privremene uprave bio je Dusan Srdoc iz Instituta Ruđer Boskovic u Zagrebu. Međunarodno drustvo za zastitu od zracenja (…
Kvavegodsling till slattergrasvall : Hur strategier och teknik paverkar ammoniakavgang, skord, kvaveutbyte och kostnader
Spintronic devices, with the integration of magnetic materials and microstructures, have been enabling people to make use of the electron spin and charge properties in many applications. Few works, however, have been carried out thus far in modeling and simulation of these devices based on magnetic tunnel junction (MT…
Razvoj biorazgradivih metalnih implantata izazovan je zadatak jer od materijala zahtjeva da u potpunosti ispuni inženjerske, kemijske i medicin
Swerea KIMAB AB has been working with the focused ion beam (FIB) technique for several years now. The aim has been to increase internal as well as external competence regarding the large number of ...