石英纤维
- quartz fiber
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通过单丝抗拉强度、TG-DSC、XPS和SEM研究了石英纤维表面涂层的最佳处理条件。
Tensile strength , XPS , TG-DSC and SEM were used to analyze optimum condition of the surface treated quartz fiber .
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石英纤维表面的SEM图像以及其红外光谱、X衍射分析得知,化学表面处理改变了石英纤维表面的物理和化学状态。
SEM images of quartz fiber and analysis of infrared spectrum and X-ray diffraction show that physical and chemical states of quartz fiber surface are changed by chemical surface treatments .
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用Sol-gel法制耐高温石英纤维
The preparation of elevated temperature-resistant quartz fibre through Sol-gel method
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二维石英纤维增强多孔Si3N4-SiO2基复合材料的制备及其力学性能
Preparation and properties of 2D fused-silica fiber reinforced porous Si _3N_4-SiO_2 matrix composites
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SiO2气凝胶/短切石英纤维多孔骨架复合材料的制备与性能
Fabrication and properties of sio_2-aerogel / short silica fiber porous skeleton composite
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采用高效液相色谱(HPLC)和X射线电子能谱(XPS)研究酚醛树脂组成及其在石英纤维表面的动态吸附行为。
The composition of phenolic resin and dynamic adsorption behavior on silica fiber surface were investigated by means of HPLC and XPS methods .
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OH键、杂质以及界面等因素是石英纤维析晶温度低于石英玻璃的主要原因。
The Si & OH bond , impurity and phase interface are the important factors for the crystallization temperature of the quartz fiber to be lower than that of the quartz glass .
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结果表明,溶剂能够与酚醛树脂在石英纤维表面形成竞争性吸附,从而影响树脂在RTM模具内部不同位置的分布和复合材料的力学性能。
The results show that solvents compete with phenolic resin for the adsorbing sites on the silica fiber .
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2.5D石英纤维织物增强二氧化硅基复合材料弯曲性能测试研究
Flexural Property Testing for 2.5D SiO_2 Fiber-reinforced-SiO_2 Composite
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利用漫反射红外光谱(DRIFT)、紫外光谱(UV)研究了石英纤维在酚醛树脂溶液中的竞争性吸附。
Diffuse reflectance infrared Fourier transform ( DRIFT ) spectroscopy , UV-visible absorption spectroscopy were used to investigate the mechanism for the competitive adsorption occurring at silica fiber / phenolics interface .
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本文研究了超声处理对RTM石英纤维/酚醛树脂复合材料在成型中酚醛/乙醇在石英纤维表面竞争吸附控制的影响。
Competitive Adsorption of Phenolic / Ethanol onto Silica Fiber effected by Ultrasound in RTM process was investigated in this study .
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本文研究了溶剂和增强纤维表面硅烷化对RTM石英纤维/酚醛树脂复合材料浸润过程的影响。
Effects of solvent and fiber modification on the impregnation process of RTM silica / phenolics composites were investigated in this study .
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测试结果表明,石英纤维结构中含有大量的Si&OH键;析晶过程受结构重排控制较为明显,DSC曲线中存在明显的结构重排吸热峰。
The results ( indicate ) that there are some Si & OH bonds in the quartz fiber and the crystallization process is controlled by structure rearrangement which can be seen in the DSC curve .
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采用X光电子能谱(XPS)和原位电子顺磁共振(EPR)研究了石英纤维表面硅烷偶联剂和不同酚醛树脂溶液组分间的界面化学反应。
XPS and in-situ electron paramagnetic resonance ( EPR ) spectra were used to examine the interfacial chemical reaction between silane coupling reagent on silica fiber surface and the components of phenolic resin solution .
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ENDODONTIC石英纤维桩的深度对应力分布有一定影响,而PROSTHETIC石英纤维桩的深度对应力分布基本无影响。
The depth of ENDODONTIC fiber post would influence the dentinal stress distribution to some extend while the depth of PROSTHETIC fiber post has little influence on the dentinal stress distribution .
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采用FT-IR技术测试了石英纤维的化学键结构,应用DSC和XRD技术综合分析了石英纤维的析晶过程,并结合SEM、TEM观察了石英纤维的析晶现象及产物。
The chemical bond structure of the quartz fiber was examined by FT-IR , and the crystallization process of the quartz fiber was analyzed by DSC and XRD . The crystallization photograph and production were observed by SEM and TEM .
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ENDODONTIC石英纤维桩在根颈1/3应力高于PROSTHETIC石英纤维桩,而根尖1/3处两种桩的应力分布无明显区别;
The stress at the cervical third of the root of the tooth restored with the ENDODONTIC fiber post is relatively higher than that of the tooth restored with PROSTHETIC fiber post .
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建设性地提出了通过引入PBO涂层来阻止甲基硅树脂与石英纤维之间在高温情况下的反应,从而有效地提高了高温下甲基硅树脂复合材料的力学性能。
Constructively , we make the PBO as the coat in polysilicone resin composites to prevent the react between the resin and the fiber , which proved did improve the mechanic performance of composite under high temperature .
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本研究采用溶胶-凝胶和逐层吸附法在石英纤维表面原位制备掺银氧化铟锡(Ag-ITO)多层薄膜作为红外反射层以降低纤维隔热材料的辐射传热。
In this research , silver embedded indium tin oxide ( Ag-ITO ) multilayer films were in situ deposited by sol-gel and layer-by-layer adsorption methods onto fibres to be as infrared reflective coating to decrease the radiation heat transfer .
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石英纤维桩对牙体缺损修复的临床疗效评价两种嵌体修复后牙牙体缺损的对比研究
Clinical evaluation of fiber post on restoration of tooth defect
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磷酸盐基复合材料中石英纤维的表面处理
Surface treatment of silica glass fibers in phosphate matrix composites
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酚醛-乙醇体系在石英纤维表面吸附行为研究
Studies on competitive adsorption of phenolic resin-ethanol system on silica fiber surface
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石英纤维桩修复磨牙残冠的临床疗效分析
The therapeutic effects of D.T.light fiber post in restoration of the residual crown
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石英纤维增强磷酸铬铝/有机硅杂化树脂基复合材料性能
The properties of silica fiber reinforced composites of chrome-aluminum phosphate / organosilicon matrixes
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石英纤维/聚丁二烯复合材料性能的研究
Property study of quartz fiber / popybutadiene composite
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根管桩用石英纤维复合材料及其树脂基体的细胞毒性研究
Cytotoxicity test of fiber-reinforced composite and its resin matrix utilized for root canal post
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不同牙体剩余量对石英纤维桩冠抗折性能的影响
Effects of Different Amount of Residual Tooth on Fracture Resistance Ability in Quartz-Fiber Post Crown
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石英纤维织物增强复合材料性能研究
Property study of quartz fabric reinforced composites
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两种先驱体低温裂解制备石英纤维增强氮化硅复合材料
Preparation of silica fiber reinforced silicon nitride composites using two precursors pyrolyzed at low temperature
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石英纤维的表面处理
Disposing of Silica Fibers ' Surface