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材料
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  material
    Study on Resistance to Sulfate Attack on Cement Based Composite Material Containing Mineral Additive
    掺矿物掺合料水泥基材料的抗硫酸盐侵蚀性研究
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    Electrode Material Study and Numerical Simulation for Solid Oxide Fuel Cell
    固体氧化物燃料电池的电极材料研究和单电池数值模拟
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    LASER MATERIAL RESEARCH IN CHINA
    中国的激光材料研究
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    ACTING MECHANISM OF THE CATALYST MATERIAL IN DIAMOND SYNTHESIS
    人造金刚石触媒材料的作用机构
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    An Experimental Method of Silicate Materials——an Experimental Design of Material Cempositions
    硅酸盐材料的一种实验方法——配料比实验设计
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  materials
    Study on Mechanism of Pulse Electric Current Sintering of Ceramic Materials
    陶瓷材料脉冲电流烧结机理的研究
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    Study on the Preparation and Application of New Polymer Materials for Stabilizing Sandy Soil
    新型高分子沙土稳定材料的研制与应用
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    Study on the Formation of Carbonaceous Mesophase Structures and the Applications of Thereof Carbon Materials
    碳质中间相结构的形成及其相关材料的应用研究
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    Study on Fabrication and Application Fundamentals of Zirconia Matrix Composite Ceramic Materials for Spinning and Weaving Scissors
    氧化锆基复合陶瓷纺织剪刀材料的研制及其应用基础研究
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    Novel Energy Source Materials-Study on the Electerode Materials for Electrochemical Capacitor and Lithium Ion Battery
    新型能源材料—电化学电容器与锂离子电池电极材料的研究
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  mateial
    Investigation on the Preparation of DSP Mateial with Ultrafined Fly Ash
    用超细粉煤灰配制DSP材料的研制
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    It is found that despite the fact that the frequency temperature coefficient f of the mateial is decreased,the dielectric loss tg is increased when Bi2O3 or PbO is doped.
    实验表明,在BNT系材料中掺入Bi2O3或PbO可降低材料的频率温度系数τf,但同时也使材料的tgδ增大。
短句来源
    The results indicate that ultrafined fly ash is a replacement of silica fame for producing DSP mateial, its hardened paste has a dense structure and a very high compressive strength.
    结果表明; 用超细磨粉煤灰替代硅灰配制DSP材料是完全可行的,该硬化体结构密实,具有极高的抗压强度。
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    The Corrosion types of piping with hydrogen gas at high temperature and high pressure in white oil hydrogenization unit are introduced in this paper and the corrosion mechanisrns, influential factors and mateial's tempering embrittlement are briefly analyzed and discussed.
    介绍白油加氢装置中高温高压临氢管道产生腐蚀的形态,并对腐蚀机理、影响因素及材料的回火脆性作了概要的分析和讨论。
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  “材料”译为未确定词的双语例句
    Microwave Processing of Electronic Oxide Ceramics
    氧化物电子陶瓷材料的微波处理研究
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    A Novel Method for the Synthesis of Hydrotalcites and a Theoretical Study of Their Structure and Properties
    类水滑石材料新制备方法及结构与性能的理论研究
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    Study on Fabrication, Structure and Properties of Bamboo Charcoal and Bamboo Based SiC Ceramic
    竹炭及SiC陶瓷材料的结构及性能研究
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    Preparation and Characterization of TiO_2-Based Nanomaterials Used as Oxygen Sensor and Photocatalyst
    TiO_2基纳米氧敏材料及复合光催化材料的制备、结构与性能研究
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    New Technical Revolution and The Materal Science
    新的技术革命与材料科学
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  material
The material presented here is a synopsis of the Ph.D thesis of the author, cf.
      
Compound 4, 5, 6, 7, and 8 were synthesized from 4-benzoyl-1,5-diphenyl-1H-pyrazole-3-carboxylic acid 1 as a starting material.
      
Inverse computation of optical-absorption coefficient in inhomogeneous material with varied thermal conductivity
      
It showed that the bromide in the rosin glycerin ester decomposed faster than the ester; hence it may be used as fire-resistant material.
      
The biomimetic three-dimensional porous composite can serve as a kind of excellent scaffold material for bone tissue engineering because of its microstructure and properties.
      
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  materials
At that time, the polymer and plastic industry was in its nascent stage but the industry quickly grew, providing the materials for a large portion of manufactured goods.
      
Structural and physicochemical descriptors derived by RP-HPLC are discussed in relation to retention factors with special accent on properties of reversed-phase materials.
      
We used different substituted isatins as starting materials.
      
In this paper, a method has been established and validated for screening and identification of individual as well as total BFA by high-performance liquid chromatography and liquid chromatography/electrospray mass spectrometry in fungal raw materials.
      
Column packing materials are always a key factor influencing the development of high-performance liquid chromatography (HPLC).
      
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  mateial
In this paper, the kinematic quantities needed for the description of finite deformations with inelastic constitutive models are summarized and the formulation of an inelastic mateial model for large deformations is given.
      
Dredge mateial can be reused using a variety of technologies available today.
      
For the Co mateial, he mechancal tss wee performed with loading and swaging ircins parllel.
      


45%,65% 80% 1,380%-Al_2O_3 10%CaO-Al_2O_3-SiO_2 CaF_2-CaO-Al_2O_3-SiO_2 5% CaF_2. 45%-80%-Al_2O_3

本文研究了含氟高炉型熔渣对Al_2O_3含量各为45%、65%、80%的三种Al_2O_3-SiO_2耐火材料及一种炭砖的侵蚀作用,探讨了温度、渣中氟含量、碱度及铝氧含量等因素对于熔渣侵蚀速率的影响。发现温度与侵蚀速率之间的关系可大致用Arrhenius式的指数方程式来表示;提高渣中氟含量或碱度因而使侵蚀作用加剧的机理是相似的;在碱度较高的含氟渣中铝氧起酸性氧化物的作用,减轻熔渣的侵蚀能力。在Al_2O_3-SiO_2系统的耐火材料中,Al_2O_3含量愈高则抵抗含氟渣侵蚀的能力愈强,铝氧含量80%的致密高铝砖的抗蚀能力尤其值得推荐。含氟渣对炭砖的侵蚀则极为轻微。本文进而研究了静止的侵蚀作用所产生的一系列矿物变化,利用CaO-Al_2O_3-SiO_2及CaF_2-CaO-Al_2O_3-SiO_2系统相图对含氟渣的侵蚀过程加以解释。

The corrosive action of neutral and reducing gas streams containing HF at high temperatures on fireclay and high-alumina refractories has been investigated. The influences of HF eoncontration, temperature variation and the water vapor content in the gas stream etc. have been eritically studied. With the aid of thermodynamie analyses of the various reactions between HF and the mineral constituents of the alumino-silicate refractories, it has been found possible to satisfactorily explain the mechahism of the corrosive...

The corrosive action of neutral and reducing gas streams containing HF at high temperatures on fireclay and high-alumina refractories has been investigated. The influences of HF eoncontration, temperature variation and the water vapor content in the gas stream etc. have been eritically studied. With the aid of thermodynamie analyses of the various reactions between HF and the mineral constituents of the alumino-silicate refractories, it has been found possible to satisfactorily explain the mechahism of the corrosive actions.Within the temperature range 500—900℃, it has been found that an increase in temperature is always unfavorable to the corrosive reactions. At temperatures above 700℃, the action of neutral gas streams containing 0.1% HF is very mild on both kinds of refractories. For gas streams containing HF up to 1%, mullite is murh more resistant to attack than eristobalite, especially for temperatures over 700℃. When the HF concentration is increased to 6%, mullite is, however,also severely attacked in the above mentioned temperature range. Gas streams containing water vapor is helpful to minimize the corrosive action of HF gas. Lastly, it is interesting to note that a reducing gas stream, similar in composition to that of blast furnace gas, further supresses the corrosive action of HF in low concentration (0.1%), due probably to some sort of carbon protective film formed on the surfaces of refractory sample grains.

本文研究了含HF的中性与还原性气流在高温下对于粘土砖与高铝氧砖的侵蚀作用。探讨了HF的浓度变化、温度变化及气流中的水蒸气含量变化等因素,对于侵蚀作用的影响。借助于HF气体与矽酸铝耐火材料各个矿物组分间的化学反应的热力学分析,可以较满意地阐明侵蚀作用的机理。 在500~900℃的温度范围内,提高温度不利于侵蚀作用的进行。含HF0.1%的气体,在700℃以上对两种耐火材料的侵蚀均甚轻微。当气流中HF的浓度低于1%时,莫来石抵抗侵蚀的能力,特别在700℃以上,远较方石英为优。当HF的浓度到达6%时,莫来石在上述温度范围内也被严重地侵蚀了。气流中含有水蒸气可以减轻HF的侵蚀作用,类似高炉气的还原性气氛更可使低浓度的HF气体的侵蚀作用大为减弱。

1700°

本工作对我国浙江省青田产臘石七种进行了基本的研究。根据化学组成、电子显微镜观察、X射线分析、脱水曲线、差热分析和加热膨胀收缩曲线的结果判明,青田臘石主要是以叶臘石为主要的矿物。依氧化矽和氧化铝含量的不同,可分为叶臘石、石英型、纯叶臘石、叶臘石—高岭石—水硬铝石型矿物。此外,还发现在青田臘石中夹杂有共生物、水硬铝石。 青田臘石含有有害杂质很少,耐火度均在1700°以上,在加热中无收缩,可以作为制造陶瓷和耐火材料的优质原料。

 
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