Materials Literature
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Pneumothorax, or a collapsed lung, is a serious medical condition resulting when air or fluid escapes the lung into the chest cavity and prevents the lung from inflating. Few viable means of sealing the damaged and leaking tissues are currently available, leading to longer hospital stays, multiple interventions, and i…
Analytical and experimental studies of the azimuthal module of two-component vibrational micromechanical gyroscope were conducted. It is shown that the micromechanical gyroscope is a system with distributed parameters. The frequency analysis is performed using software T-Flex. The influence of mechanical disturbances…
Bone tissue engineering has become a promising alternative for the use of autologous bone in the reconstruction of bone defects in oral regenerative medicine. The main goal of this thesis was to investigate behavior of human adipose stem cells (hASCs) and fibroblasts in/on resin-based composites, natural polymer fibri…
Pogotkom Blaža Mahkovica sa linije slobodnih bacanja u posljednjoj sekundi meca kosarkasi Igokee savladali su danas u triler zavsnici u Laktasima Zadar 78:77 u 21. kolu ABA lige cime je tim iz Aleksandrovca pet kola prije kraja regularnog dijela sezone osigurao opstanak u regionalnom takmicenju.
The results of studies on the impact of an electron beam with the energy of 1-2 MeV on diffusion processes in materials with ionic bonds are presented in the paper. Used electron beam intensity is allowed to provide heating of the material to temperatures of 1600 K. Diffusion of Na, Mg, Al ions into single crystals KB…
This thesis examines the chemistry of the dicyanonitrosomethanide (dcnm) anion and how it may undergo the transition metal promoted addition of a nucleophile as a means of in situ ligand formation. A computational study indicated that the addition of water to a nitrile group of the dcnm anion only gives the anti-isome…
We have investigated the heat resistance properties of Fe-W alloy films electroplated using an ion exchange membranes - multiple anodes systems. The room temperature hardness of Fe-W alloy film increased with increasing heat treatment temperature and reached HV1200 after the heat treatment at 700°C. While the film was…
3-Aminophenylboronic acid (APBA) and the complex Ru(bpy)2(phendione)2+ (bpy = 2,2′-bipyridine, phendione = 1,10-phenanthroline-5,6-dione) were found to be useful building blocks for preparing photomagnetic carbon surfaces. Scanning tunneling microscopy (STM) showed that when APBA was diazotized in acidic sodium nitrit…
Parameters of instruments developed on the basis of previously calculated different electron-optical systems for the analysis of charged particle flows were considered in the present work. Recommendations for their application in various fields of electron spectroscopy for the analysis of a solid surface were given.
We have fabricated highly crystallized thin films of niobium-doped anatase type titania (Ti1−xNbxO2) to examine the relationship between the electronic transport properties and the plasmonic response. Ti1−xNbxO2 thin films were epitaxially grown on LaTiO3 substrates by using pulsed laser deposition. Attenuated total r…
The effect of the uncertainties of the isotopic composition of the reprocessed uranium on its enrichment process in gas centrifuge cascades while diluting it by adding low-enriched uranium (LEU) and waste uranium. It is shown that changing the content of 232 U and 236 U isotopes in the initial reprocessed uranium with…
The development of an experimental method for the determination of stress concentration coefficient by the photometric analysis of surface reflectivity of material near stress concentrator and at a distance from it is considered in the paper. The experiments were performed with the AD-19 aluminum alloy samples under f…
Production of permanent magnets on basis of rare earth elements (REE) is implemented by means of powder metallurgy, therefore a technologically important operation is the multistage mechanical crushing of materials to the extent of domains. The promising technique of crushing of magnetic materials is their consistent…
本論文主要介紹了一種用來空間上調節光的傳播方向跟偏振態的光學薄膜結構。這種結構包含多層圖案化的雙折射薄膜,每一層都是由液晶聚合物（LCP）構成,這些聚合物的光軸方向由一層圖案化的光配向層控制而變化。這種光調制器有兩層功能層,第一層的設計是圖案化的偏振光柵,光柵向量方向可以空間上變化,已達到空間調制光的傳播方向的作用,第二層是一層圖案化的光延遲膜,可以調節出射光的偏振態。這種多薄結構的厚度小于1μm,有助于提供高分辨率的光波前結構。它還可以當做光掩模,用來產生多疇配向結構的光配向層,應用到現代液晶顯示器的制造中。為了驗證這種結構的實用性,我們成功地制作了這種多層膜結構,并用它在單次曝光的條件下制作了一個兩域光配向結構的液晶盒。這種光…
Bestehen optische Anforderungen sind in maritimer Atmosphare fur nichtrostende Stahle e-polierte und blank gegluhte Oberflachenausfuhrungen zu bevorzugen. Bei vollstandiger Freibewitterung in maritimer Atmosphare ohne nennenswerte Luftverunreinigungen ist das Korrosionsrisiko fur fortschreitende ortliche Korrosion ger…
Oral ingestion of collagen peptides (CP) has long been suggested to exert beneficial effects on the skin, but the molecular events induced by CP on the skin remain unclear. Here, we investigated the effects of oral CP administration on gene expression in hairless mouse skin and of prolyl-hydroxyproline (Pro-Hyp), a co…
The work demonstrates the luminescent method of identifying the phase composition of Nd 3+ :Y 2 O 3 -Al 2 O 3 system by building calibration curves using standard samples.
The electrical conductivity of molten chloride electrolytes of the cerium subgroup lanthanides increases with rising electric field strength and strive to achieve the limiting high voltage values (Wien effect). On exposure of the high-voltage microsecond pulsed fields, the melts are transited into a prolonged non-equi…
Nanomedicine and the use of nanoparticles (NPs) are growing like never before. It is therefore important to investigate the interactions in the nano world and the possible hazards. Proteins in organisms can adsorb to NPs and change the proteins structure and therefore their functions. This could be a potential danger…
二维纳米结构的过渡族金属硫化物MoS2有着不同寻常的物理化学性质，在光电性能、可见光催化、润滑性和摩擦性方面有着广泛的应用价值。制备纳米结构MoS2有物理的和化学的方法，其中化学气相沉积是一种简便实用的生长大面积高质量MoS2的方法。本文详细讨论了化学气相沉积过程中反应时间、载气体流速、先驱体化学计量比和基体放置位置等因素对MoS2结构的影响。不同结构的MoS2其性质有决定性的影响，使得这种层状二维材料获得广泛的应用。 Nanostructured MoS2, a two dimensional transition-metal dichalcogenides, has found extensive application in…