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5.924 Aktuelle Fachpublikationen zum Thema temperature

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Biological evaluation of chitosan‐based in situ‐forming hydrogel with low phase transition temperature

25.10.2014 | Qi Feng Dang, Jing Quan Yan, Hong Lin, Cheng Sheng Liu, Xi Guang Chen, Qiu Xia Ji, Jing Li, Ya Liu, Journal of Applied Polymer Science, 2014

ABSTRACT The aims of current study were to choose a method for preparing sterile chitosan‐α,β‐glycerophosphate (CS‐α,β‐GP) in situ‐forming hydrogel which had potential applications in tissue engineering and evaluated its biocompatibility and degradation characteristics. The results of ...

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Excimer Formation in a Confined Space: Photophysics of Ladderphanes with Tetraarylethylene Linkers

24.10.2014 | Chih‐Hsien Chen , Kamani Satyanarayana, Yi‐Hung Liu, Shou‐Ling Huang, Tsong‐Shin Lim, Tien‐Yau Luh, Chemistry - A European Journal, 2014

Abstract Communication between chromophores is vital for both natural and non‐natural photophysical processes. Spatial confinements offer unique conditions to scrutinize such interactions. Polynorbornene‐ and polycyclobutene‐based ladderphanes are ideal model compounds in which all ...

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Effects of surface states on the oxidation behavior of 316LN stainless steel in high temperature pressurized water

24.10.2014 | Y.‐L. Guo, E.‐H. Han, J.‐Q. Wang, Materials and Corrosion, 2014

Nuclear grade 316LN stainless steel with different surface states are prepared: electropolished and ground to 240 grit. Surface topography, surface Volta potential distribution, and nanohardness distribution on cross‐sectional surface are investigated, respectively. Oxide films on the ground ...

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Gaseous titanium molybdates and tungstates: Thermodynamic properties and structures

24.10.2014 | Sergey I. Lopatin, Andrej I. Panin, Sergey M. Shugurov, Ksenia A. Emelyanova, Rapid Communications in Mass Spectrometry, 2014

RATIONALE Titanium is a component of various construction materials, which is often used at high temperature and in an oxidizing atmosphere. Thermally stable even at high temperatures, titanium compounds may appear in the condensed phase. To predict the possibility of existence of gaseous ...

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Impact of Gas–Condensate Composition and Interfacial Tension on Oil-Repellency Strength of Wettability Modifiers

24.10.2014 | J. Fahimpour; M. Jamiolahmady, Energy & Fuels, 2014

Productivity of gas–condensate wells can significantly be declined as the condensate bank evolves around the wellbore. Wettability alteration of formation minerals from strongly liquid-wet to intermediate gas-wet conditions using liquid-repellent fluorinated chemicals has shown promising results ...

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The toughening effect and mechanism of styrene‐butadiene rubber nanoparticles for novolac resin

23.10.2014 | Wei‐Wei Liu, Jing‐Jing Ma, Mao‐Sheng Zhan, Kai Wang, Journal of Applied Polymer Science, 2014

ABSTRACT In this article, phenolic nanocomposites were prepared using styrene–butadiene rubber (SBR) nanoparticles with an average particle size of about 60 nm as the toughening agent. The mechanical and thermal properties of phenolic nanocomposites and the toughening mechanism were studied ...

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Kinetic Analysis of Calorimetric Measurements of Niobium–Aluminum Nb/Al Multifilament Strands

21.10.2014 | Priyanka Brahmbhatt, Subrat Kumar Das, Subrata Pradhan, International Journal of Chemical Kinetics, 2014

ABSTRACT The formation of different phases for the reaction of Nb and Al in M/s Hitachi Ltd made wires using differential scanning calorimetry (DSC) has been investigated. The interfacial diffusion reaction has been studied in the temperature range 100–990 °C. Niobium (Nb) and aluminum (Al) ...

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Controlled synthesis of barium chromate microcrystals

21.10.2014 | H. Xiao, S.S. Ding, X. Xu, N. Pan, D.Y. Fan, H.J. Yang, M. Lei, Y.X. Du, R. Zhang, Y.G. Wang, W.H. Tang, Crystal Research and Technology, 2014

Barium chromate (BaCrO4) microcrystals with various morphologies such as shuttle‐like, x‐shaped, ellipsoid, leaf‐like crystals were synthesized from aqueous solutions using poly (sodium 4‐styrenesulfonate) (PSS) as template agent at room temperature. The characterization results show that pH ...

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Co‐evaporation process study of Cu2ZnSnSe4 thin films by in situ light scattering and in situ X‐ray diffraction

21.10.2014 | Stefan Hartnauer, Leonard A. Wägele, Frank Syrowatka, Gunar Kaune, Roland Scheer, physica status solidi (a), 2014

Multi‐stage co‐evaporation processes for the growth of Cu2ZnSnSe4 (CZTSe) thin films are investigated with time‐resolved in situ angle‐dispersive X‐ray diffraction (in situ XRD). Different preparation protocols were applied and controlled by in situ laser light scattering (in situ LLS). The ...

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Temperature and Moisture Based Modeling for Prediction of Starch Gelatinization and Crumb Softness During Bread Baking Process

21.10.2014 | Narayansing Chhanwal, Chinnaswamy Anandharamakrishnan, Journal of Texture Studies, 2014

Abstract Temperature, starch gelatinization, moisture content and softness of bread defines the formation of crust and crumb regions during baking process. A computational model was developed to study the volume expansion, temperature profile and moisture content of the bread during baking ...

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