Materials Literature
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Calmodulin (CaM) regulates numerous cellular functions by sensing Ca²⁺ levels inside cells. Although its structure as a function of the Ca²⁺-bound state remains hotly debated, no report is available on how pH independently or in interaction with Ca²⁺ ions regulates shape and function of CaM. From SAXS data analysis of…
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The outside layer of pipe coating or coating type 3LPE (Three Layer Polyethylene) on pipe, serves to protect against corrosion, dirt, friction and even bump that could damage pipe during transportation, installation / construction, or during operation. The aim of study is to know that 3LPE coating still protect the ou…
An industrial application is presented to validate a finite element analysis of 3-dimensional, nonlinear eddy-current problems with periodic excitation. The time-harmonic method and the fixed-point method are applied to get the steady state solution using the finite element method. The application is calculating losse…
Polymer brush‐grafted particles (i.e., hairy particles) capable of undergoing direct, especially reversible, phase transfer from one liquid phase to another immiscible liquid phase in response to environmental changes have received growing interest due to their great potential in a wide variety of applications. This a…
Both natural montmorilonite (CN) and organically modified montmorilonite (CB) improved significantly the mechanical performance of novolac phenolic resin (PF)/woven glass-fiber (GF) composites due to their nanodispersion and good interfacial interaction with the matrix. It was revealed that the incorporation of 2.5wt%…
In this study, the technology of near-field electrospinning (NFES) is developed to collect orderly poly (I³-methyl L âglutamate) (PMLG)/poly (vinylidene fluoride) (PVDF) fiber composites with enhanced piezoelectricity. PMLG solution was blended with PVDF solution uniformly to prepare PMLG/PVDF solution (30.68 wt%). Wh…
High performance composite film prepared from glucomannan and tunicate cellulose nanocrystals
Flüssigkristalloligomere sind sowohl aufgrund der Möglichkeit als Modellverbindungen für flüssigkristalline Hauptkettenpolymere zu agieren, als auch wegen ihres besonderen mesomorphen Verhaltens, das sich von dem niedermolekularer Flüssigkristalle unterscheidet ein Forschungsgebiet von aktuellem Interesse. Das Ziel di…
The main requirements of modern welded metal structures are the load-carrying capacity (safety), the fitness for production, and economy.These requirements can be met by structural optimization: the economy is achieved by minimizing a cost function.The safety and fitness for production are guaranteed by fulfilling the…
Neste trabalho foram preparados e avaliados compositos polimericos a base de polipropileno e nanotubos de carbono (NTC) crescidos em matriz de silica, utilizada na industria de polimeros como carga. Para tal, foi desenvolvido um forno trizonal com capacidade de processamento de, aproximadamente, 300g de carga por corr…
하이퍼 듀플렉스 스테인리스 강 (hyper duplex stainless steel, HDSS)은 공식저 항 당량지수 (Pitting resistance equivalent, PREW) = wt. % Cr +3.3(wt. % Mo +0.5 x wt. % W) + 30 x wt. % N) 가 50 이상으로 혹독한 산성 염화물 부식 환경에서 견딜 수 있는 미래형 고강도, 초내식 금속 재료로 정의된다. HDSS를 원자...
An addressable conducting network (ACN) enables the structural condition to be monitored by the electrical resistance between electrodes on surface of CFRP (carbon fiber reinforced polymer) structure. To improve the reliability of ACN for damage detection, the contact resistance between the electrodes and CFRP laminat…
The formation of self-organized flower-like structures of copper hydroxide hydrate on copper foils was studied in mixed electrolytes of water and amides. The morphology of crystals deposited on copper foil changed with the formamide (FA) concentration. For mixed electrolytes of 6:4 and 5:5 of H2O:FA v/v, flower-like c…
A função mais comumente associada às plaquetas é a de hemostase, com formação do coágulo sanguíneo e bloqueio da hemorragia. Apesar da função hemostática já ser bem descrita, tem se demonstrado que plaquetas participam de outros mecanismos fisiológicos e têm sua biologia associada a doenças neuropsiquiátricas. Desde 1…
銀表面上に成長したシリセン（シリコン原子による2次元ハニカム格子）の構造と，電子物性を紹介する．原理的にはシリセンはグラフェンと多くの点でエキゾチックな物性を共有するだけではなく，グラフェンでは達成できない量子物性の実現も期待できる．本稿ではこれまでに我々が行ってきたAg(111)上にSiを蒸着することによって得られるシリセンについて走査トンネル顕微鏡，低速電子回折，密度汎関数計算に基づく理論解析を通して得られたその幾何構造と電子物性について紹介する．Ag(111)上に自然界には存在しないシリセンが形成できることを示した．一方で，走査トンネル顕微鏡を用いたランダウレベル分光から，フリースタンディング・シリセン中に存在があると期待さ…
This paper presents effects of carbon nanotube (CNT) orientation angle distribution on elastic moduli of aligned CNT/epoxy composites that were fabricated with various volume fractions using hot-melt prepreg method. Tensile testing was conducted to evaluate the composites’ mechanical properties. The composites’ Young’…
The effects of crack closure and fibre bridging on delamination growth in carbon fibre/epoxy laminates under mode I fatigue loading have been experimentally investigated and are reported in this paper. The effect of crack closure has been investigated using a compliance based technique. The effect of fibre bridging ha…
학위논문 (석사)-- 서울대학교 대학원 : 재료공학부, 2014. 2. 박병우.
We present a calculation method developed by National Construction baseline methodology AM0091 Analysis of the New Architecture building sector have been registered in the UNFCCC baseline methodology and calculation methodology applied in domestic cases is the purpose of the study.