Fundamentals for Better Use of Stainless Steels -Development History, Characteristics and Resistance to Corrosion-
類に分類されよう．①実験室的腐食試験，②パイロット プラント腐食試験，③実地試験(プラント試験)である． 腐食は材料と環境の相互作用により，かなりの長時間
Materials Literature
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Dedicated to Prof. F. D. Fischer on the occasion of his 70 th birthday
Based on recently reported experimental data, the thermodynamic details of the Ti–Al–Nb system, relevant for the design of engineering c-TiAl based alloys, have been reinvestigated. Thermodynamic functions for the phases of interest (a/a2, b/b0 and c) are optimized by applying the Parrot module of the software package…
Deposition and Characterisation of Thin Hydrophobic LayersUsing Atmospheric-pressure Surface Barrier Discharge
The modern technologies often require modification of solid material surfaces with keeping desired bulk properties. To control the surface properties of solids the atmospheric- pressure plasma can be very useful. In this work the thin hy- drophobic protective films were deposited on the paper sur- face using atmospher…
Next Generation Infrared Imaging Sensors
We will describe the advances being made in the different modalities of InSb-based infrared sensors for active imaging, such as avalanche detection, polarimetric and multispectral capabilities using manufacturable technologies.
Carbon NanotubeActive-MatrixBackplanes forConformalElectronics and Sensors
In this paper, we report a promising approach for fabricating large-scale flexible and stretchable electronics using a semiconductor-enriched carbon nanotube solution. Uniform semi- conducting nanotube networks with superb electrical properties (mobility of ∼20 cm 2 V � 1 s � 1 and ION/IOFF of ∼10 4 ) are obtained on…
The New Measurement Method of the Adsorbed Moisture Distribution in the Porous Materials
メソ孔やミクロ孔を有する多孔質材料は吸湿性能を示すことが知られている．その評価手法として，絶乾試料を用いた水蒸気吸着等温線測定や窒素吸着法による細孔分布解析が一般に行われている．しかし，実際に吸着剤が利用される環境では，吸着剤は絶乾状態ではなく，環境条件に応じた水蒸気吸着が起こっている．そこで相対湿度の変化に対する水蒸気吸着により，窒素吸着法で求まる細孔分布がどのように変化するかを評価するため，種々相対湿度環境下で吸湿平衡状態に達した試料を液体窒素で瞬間凍結させた後，乾燥操作を行わずに，窒素吸着測定を試みた．その結果，いずれの場合も，小さな径の細孔から順に水分子の吸着が始まり，相対湿度の増大とともに大きい細孔径の細孔にも水分子の吸…
Surface structure of 55% Al-Zn alloy coating and corrosion product distribution after exposure in chloride-containing electrolytes
Surface structure of 55% Al-Zn alloy coating and corrosion product distribution after exposure in chloride-containing electrolytes
Design and manufacture on multilayers of low-Z materials at 14 nm
In order to decrease the bandwidth of the normal multilayers and improve the spectral resolution,several kinds of multilayers composed of low-Z materials were investigated in extreme ultraviolet and soft X-ray regions.Firstly,three kinds of multilayers of low-Z materials,Si/B4C,Si/C and Si/SiC multilayers were chosen…
Energy Saving & CO2 Reduction by High Efficient Steam System-High Efficiency Control Method of Once Through Boilers in Multiple Installation and Air Compressor Utilizing Process Steam Differential Pressure-
近年，貫流ボイラは高出力化の技術開発が進み，近年，貫流ボイラは高出力化の技術開発が進み，当社ではこのほど業界初となる1台あたりの出力が小型貫流ボイラ枠で相当蒸発量で3，000kg／h，小規模ボイラ枠で同7，000kg／hの機種を発売したが，従来から貫流ボイラの多缶設置システムは，大規模な炉筒煙管／水管ボイラと比較して取扱資格が不要で，保有水量の少ない高効率な貫流ボイラの特性を活かし，製紙業界様をはじめ，産業用熱源として広く普及している。また工場内蒸気利用プロセスにおける「蒸気の使われ方」に着目し，蒸気減圧時の膨張エネルギーを駆動源とし，更に空気圧縮時に発生する圧縮廃熱を高温水転化して回収しボイラ給水予熱等に供することが可能な「圧縮…
Development of the Special Boring Machine for the Roll with High Precision
弊社では従来のカウンター方式の加工ではなく，リニアに加工することで中央部の繋ぎ目の無い加工をすることに成功し，高速回転での使用に対してもバランスのとれた製品を製作することが可能である。具体的には，φ580×5，765L面長のロールに対して，円筒度50μmという非常に精度の良好なロールを製作に成功した。この成功により均一な肉厚によるニップの均等化や，加熱・冷却時の温度ムラが低減することが可能となった。本報では，機械の能力と精度について報告する。
Structural Characterization of Nanosheet-type MFI Zeolite
Zeolites are microporous crystalline aluminosilicates and have ordered micropores of a few Å in the structure. Zeolites are widely used in petrochemistry and fine-chemical synthesis because strong acid sites within their uniform micropores enable size- and shape-selective catalysis. Here we show that appropriately des…
Preparation of Electro-Optic Waveguide Based on KH560 Modified Organic/Inorganic Hybrid Materials
A kind of silane coupling agent KH560-based organic / inorganic hybrid electro-optic(E-O) material was synthesized by Sol-Gel method.The reaction mechanism of hydrolysis and condensation of KH560 in the case of hydrochloric acid as a catalyst was analysed.Then the surface morphology,refractive index and E-O properties…
A Brief Guide to the Tiling Articles
A BRIEF GUIDE TO THE TILING ARTICLES JOHN RAHN HE INITIAL IDEA for an issue of Perspectives of New Music featuring work on musical tilings came to me from the composer Tom Johnson, an American who makes his home in Paris. Perspectives of New Music is uniquely appropriate for such a feature, because all this mathematic…
Influence of Substituents on Photoluminescence Properties of Thulium Bisphthalocyanine Derivatives
The fluorescence properties of three thulium bisphthalovanine compounds were studied using the steady-state fluorescence and time-resolved fluorescence spectra.Meanwhile,the effect of the concentration,excitation wavelength and substituents on the fluorescence properties was discussed.A strong fluorescence emission at…
Cu Addition Effect on Soft Magnetic Properties in Fe-B-C-Cu Alloy System
通过单辊快淬法制备了Fe-B-C-Cu非晶态合金，并利用等温退火法对其进行晶化热处理制得纳米晶。用DSC、XRD、TEM、VSM、交直流B-H仪等对其微观结构及软磁性能进行了研究。结果表明：Cu的添加作为α-Fe形核点的作用明显，有效地促进了具有纳米级尺寸的单相α-Fe的析出，Fe84-xB10C6Cux系纳米晶合金的矫顽力随Cu含量的增加而先降低后增加，饱和磁感应强度则由于α-Fe的析出而呈增大的趋势。当Cu原子百分含量为1时，该系合金具有最佳的软磁性能，如高饱和磁感应强度Bs= 1.78 T，低矫顽力Hc= 5.1 A/m，低铁损P10/50= 0.34 W/kg。 In this study, the microstruct…
A Facile UV-Curing Method for the Preparation of Transparent and Conductive Carbon Nanotube Hybrid Films
A new method for preparing flexible, transparent, and conductive multiwalled carbon nanotube (MWCNT) hybrid films with scratch resistance through a facile UV-curing method is described herein. UV-curable urethane oligomers were used as the binder between the MWCNTs and the plastic substrates. The transparency and shee…
Evaluation of the Minimum Temperature Requirements for the RPV Closure Head Flange Region in 10 CFR 50 Appendix G
Title 10 of the Code of Federal Regulations, Part 50 Appendix G (10CFR50 App. G) prescribes the pressure-temperature (P-T) limits for light water power reactors by incorporating American Society of Mechanical Engineers (ASME) Boiler & Pressure Vessel Code, Section XI, Appendix G (ASME App. G) by reference. The P-T lim…
Crossed-Beams and Theoretical Studies of Hyperthermal Reactions of O([sup 3]P) with HCl and H[sub 2]O
Views Icon Views Article contents Figures & tables Video Audio Supplementary Data Peer Review Share Icon Share Twitter Facebook Reddit LinkedIn Tools Icon Tools Reprints and Permissions Cite Icon Cite Search Site Citation Jianming Zhang, Amy L. Brunsvold, Hari P. Upadhyaya, Timothy K. Minton, Jon P. Camden, Jeffrey T.…
AdsorptionandDesorptionofPhenanthreneonCarbonNanotubesin Simulated Gastrointestinal Fluids
Adsorption of phenanthrene on carbon nanotubes (CNTs) and bioac- cessibility of adsorbed phenanthrene were studied in simulated gastrointestinal fluids. Adsorption of phenanthrene on CNTs was suppressed in pepsin (800 mg/L) solution (gastric) and bile salt (500 and 5000 mg/L) fluids (intestinal). In addition to compet…
Strain Effect and Transport Properties of Fe2VSi Thin Films
To understand the effects of biaxial strain on the properties of a Heusler alloy, the structural and electrical properties of Fe2VSi thin films in various strain states were investigated. Epitaxial Fe2VSi films were subjected to tensile strain on MgAl2O4 and MgO substrates, while films on LaAlO3 were given compressive…