Hydrogen Embrittlement Testing of Concrete Screws
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Study on Separation/Enrichment of Bismuth using Microcrystalline Thymolphthalein Loaded with Diacetydioxime
A novel method for the separation/enrichment of trace Bi3+ using microcrystalline thymolphthalein loaded with diacetydioxime was established. The effects of different parameters on the enrichment yield of Bi3+ have been investigated. The possible enrichment mechanism of Bi3+ was discussed. The results showed that unde…
Атомно-силовая микроскопия устройства поверхностных слоев интактных фибробластов
Интактные фибробласты, находящиеся на обработанной коллагеном подложке, исследованы с помощью атомно-силового микроскопа с использованием двух типов зондов: стандартных, с радиусом закругления кончика 2-10 nm, и специальных, с закрепленным на кончике SiO2 шариком калиброванного радиуса 325 nm. Установлено, что независ…
Advanced electrodes for hybrid electrochemical capacitors
The aim of this thesis is to study a new kind of energy storage solution known as "Hybrid Electrochemical capacitor" which allows for the integration of two existing technologies Lithium ion batteries and supercapacitors. The resulting device has the promising properties of both these devices, and can further be fine-…
Исследование кремния, легированного ионами цинка и отожженного в кислороде
Представлены результаты исследования приповерхностного слоя кремния и формирования преципитатов в образцах СZ n-Si(100), имплантированного ионами 64Zn+ с дозой 5·1016 см-2 с энергией 50 кэВ при комнатной температуре с последующим окислением при температурах от 400 до 900oС. Визуализация поверхности проведена с помощью…
Zur Wasserstoff-induzierten Riss- und Blisterbildung in Eisen
Hydrogen-induced damage is a serious problem in various applications of metals. In this work, hydrogen-induced cracking in iron was investigated. The samples were loaded with hydrogen electrochemically. The loading results in cracks inside the bulk of iron, and the cracks near the surface create blisters. The driving…
METHODS FOR INVESTIGATION OF CHEMICAL CHARACTERISTICS IN POLYMER MATERIALS
A method for measuring polymer chemical resistance by dipping specimens in chemical reagents is a standard investigation procedure used in chemical industry (Standards ASTM D543, ISO 155). Such method has been used only for comparative evaluation of chemical resistance for various materials in a number of typical reag…
Development of a new in situ x-ray diffraction technique for characterising embedded nanoparticles
A new non-destructive, high resolution X-ray diffraction technique is developed for the characterisation of ensembles of embedded nanoparticles. The method is based on reciprocal space mapping using an analyser crystal, making it sensitive to very low diffraction contrast between nanoparticles and their surrounds, and…
Индуцированная электрическим полем динамика структурного упорядочения в тройных системах PbIn-=SUB=-1/2-=/SUB=-Nb-=SUB=-1/2-=/SUB=-O-=SUB=-3-=/SUB=--PbMg-=SUB=-1/3-=/SUB=-Nb-=SUB=-2/3-=/SUB=-O-=SUB=-3-=/SUB=--xPbTiO-=SUB=-3-=/SUB=-
Исследована индуцированная электрическим полем динамика фазового перехода в сегнетоэлектрическую фазу в кристаллах PbIn1/2Nb1/2O3-PbMg1/3Nb2/3O3-xPbTiO3 (x=25 и 32%) в различных геометриях приложения внешнего электрического поля E||[001], E||[011]. При комнатной температуре проведены одновременные измерения оптическог…
Efficient spectral and spectral-element methods for transformation electromagnetics
physical space x = (x, y, z). . . . . . . . . . 20 1.2 Schematic illustration of a circular cloak . . . . . . . . . . . . . . . . 22 2.1 Left: errors against various N for some samples of k. Right: the zeroth mode (in solid line) versus its numerical approximation N 0 (marked by " + ", with k = 70 and N = (50, 50)). .…
Design und Synthese neuartiger quervernetzbarer organischer Halbleiter für die OLED Anwendung
Mit drei Ansätzen wird die Synthese neuartiger quevernetzbarer Halbleiter für die OLED Anwendung verfolgt: Polyphenanthren, Fluorene und Dibenzo[a,h]anthracene.
A computationally effcient moment-preserving Monte Carlo proton transport method in Geant4
The moment-preserving method, demonstrated as a viable alternative to condensed history for electrons, is extended to protons. Given the generality and the flexibility of the method, a discrete Coulomb scattering and discrete impactionization differential cross-section library for protons was readily developed and exi…
Effect of Tin Additions on the Anti-Tarnish Properties of Sterling Silver Alloy
Sterling alloy is widely used in the jewelry industry. Its anti-tarnish property is one of its most important characteristics. In this study, the effect of tin on the corrosion resistance, and tarnish resistance properties of sterling silver alloy were investigated quantized. The difference between anti-corrosion and…
Native protein denaturation using urea
Protocol Summary Here we present a new protocol to analyze protein unfolding kinetics using a quantified real-time thermocycler. This technique enables the analysis of a wide range of denaturants (and their interactions with temperature change) on protein stability in a multi-well platform, where samples can be run in…
Quantum Dots: Highly Efficient Green ZnAgInS/ZnInS/ZnS QDs by a Strong Exothermic Reaction for Down‐Converted Green and Tripackage White LEDs (Adv. Funct. Mater. 4/2017)
Highly efficient green-emitting Zn-Ag-In-S (ZAIS)/Zn-In-S (ZIS)/ZnS alloy core/inner-shell/shell quantum dots (QDs), realized by an exothermically generated ZIS inner shell, are presented by Y. R. Do and co-workers in article 1602638. A photoluminescence quantum yield of 87% with a peak wavelength of 501 nm is achieve…
Performance comparison of axial-flux-modulated motor with two pole-slot combinations
Axial-flux-modulated motors (AFMMs) with two pole-slot combinations are presented and analyzed quantitatively. They all have new topology structures, and their design rules differ from those of the traditional machine. The concentrated stator windings are designed to reduce the end length and copper losses; therefore,…
Deposition and Characterization of Post-growth annealed ZnSnN 2 thin films
In order to cater to modern day photovoltaic and solar needs, semiconductor materials which are earth abundant with a direct bandgap (Eg) around 1.5eV are necessary[1,2] . Of the commonly known semiconductor materials like Si, Ge or binary III-V (Where III = B, A, Ga, In and V = N, P, As, Sb) and II-VI (Where II = Zn,…
New Approach for the Synthesis, Entrapment of Hydrophilic Drugs and Evaluation of Physico-Chemical Characteristics of PH-sensitive Nano-Liposome: Improving Therapeutic Efficacy of Doxorubicin in Order to Treatment Bone Tumor and Reducing the Side Effects of Doxorubicin
Introduction: Cancer is one of the most harmful disease throughout the world. Doxorubicin is an anti-cancer agent, used in the treatment of various types of the cancer such as bone cancer. There are several adverse effects related to clinical usage of Doxorubicin for long time. The present study aimed to investigate t…
A. mephisto.xlsx
Raw morphological data of Aspidoras mephisto, new species
Study on Preparation and Properties of PDA/CPP Bilayer on Skull Repairing Titanium Mesh
本文意在探究一种简易高效的应用于颅骨修复钛网表面的生物化学改性方法。首先通过浸泡法在钛网表面沉积聚多巴胺薄膜层(PDA)，其次利用PDA的超强粘附性和二次修饰功能，进一步接枝酪蛋白磷酸肽(CPP)，制备具有优良亲水性及优良生物矿化能力的复合涂层。利用XPS、AFM、接触角分析仪进行涂层表征；浸泡模拟体液(SBF)，利用FESEM及EDS分析体外仿生矿化效果。结果显示，“两步浸泡法”成功将PDA与CPP依次修饰于颅骨修复钛网，无毒性元素引入；与未修饰表面相比，具有PDA/CPP生物活性涂层的表面亲水性得到显著提高，并且能够在1天之内诱导沉积均匀稳定的类骨羟基磷灰石(HA)。 To obtain excellent hydrophil…