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ceramic sintering
相关语句
  陶瓷烧结
     MICROWAVE SINTERING---NEW TECHNOLOGY FOR CERAMIC SINTERING
     陶瓷烧结新技术——微波烧结
短句来源
     At first, during the process of Al2O3 ceramic sintering and preparation, Al2O3 ceramic has been pre-calcining and sintering with strict temperature rising pace under normal pressure, obtaining pure Al2O3 ceramic for further precision-grinding, assuring the material characters of artificial joint.
     首先,在Al_2O_3陶瓷烧结制备工艺中,通过常压烧结并配合严格的升温制度,分别进行了Al_2O_3陶瓷的预烧结和烧结,制备了精密磨削加工所需的高纯Al_2O_3陶瓷,保证了最终人工关节产品的组织性能。
短句来源
     By applying crystal boundary engineering theory and selecting Y2O3 and La2O3 dual-rare-earth Oxides, which could form a high fire - resistant crystal boundary, as a ceramic sintering aids, the so processed material prossesses an excellent high - temperature strength.
     运用晶界工程理论,选择能形成高耐火度晶界相的Y_2O_3(氧化钇)和La_2O_3(氧化镧)双稀土氧化物为Si_3N_4陶瓷烧结助剂,材料具有优异的高温强度.
短句来源
     Design of the Control Program for Advanced Silicon Nitride Ceramic Sintering Plant
     氮化硅陶瓷烧结设备的智能化控制程序设计
短句来源
     Microwave is widely used in synthesize chemistry、 analytical chemistry、 ceramic sintering、 rubber、 plastic etc.
     微波能在合成化学、分析化学、陶瓷烧结以及橡胶工业、造纸工业、皮革工业、香料萃取、塑料工业等化学化工领域都有广泛地应用。
短句来源
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  “ceramic sintering”译为未确定词的双语例句
     SrxBa1–xNb2O6(x=0.3,0.4,0.5,0.6), Sr0.6Ba0.4TiO3 ceramics and SrxBa1–xNb2O6-Sr0.6Ba0.4TiO3 composite ceramics were fabricated respectively by ordinary ceramic sintering technique.
     采用传统固相反应法分别制作了SrxBa1–xNb2O6(x=0.3,0.4,0.5,0.6)和Sr0.6Ba0.4TiO3单相陶瓷以及两相混合的复合陶瓷。
短句来源
     A new-style of lead-free perovskite ceramic,sodium-bismuth magnesium-titanate (Na_(1/4)Bi_(3/4))(Mg_(1/4)Ti_(1/4))O_3(NBMT) was fabricated by conventional ceramic sintering technique.
     用固相反应法合成得到了一种钙钛矿结构的无铅新陶瓷材料(Na1/4Bi3/4)(Mg1/4Ti3/4)O3(NBMT)。
短句来源
     New [(Bi1-x-yLax)Na1-y]0.5BayTiO3 lead-free piezoelectric ceramics were developed based on the design of the multiple complex in the A-site of ABO3-type Bi0.5Na0.5TiO3 ferroelectrics, and the ceramics were prepared by the conventional ceramic sintering technique.
     针对钛酸铋钠(Bi0.5Na0.5TiO3)基无铅压电铁电材料,提出了新型的ABO3型A位多重复合无铅压电陶瓷体系[(Bi1-x-yLax)Na1-y]0.5BayTiO3;
短句来源
     Compare of Two kinds of Monte Carlo Potts Models in ceramic sintering
     陶瓷烧结的Monte Carlo Potts模型及其比较研究
     A new-type (Bi_ 0.5 Na_ 0.5 )_ 0.94 (Ba_ 0.5 Sr_ 0.5 ) 0.06 TiO_3+x(wt%)MnO_2 lead-free piezoelectric ceramics, were prepared by traditional ceramic sintering technique.
     采用传统陶瓷生产工艺制备了新型(Bi0.5Na0.5)0.94(Ba0.5Sr0.5)0.06Ti O3+x(wt%)MnO2体系无铅压电陶瓷,研究了陶瓷的晶相结构、表面形貌、压电和介电性能.
短句来源
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  相似匹配句对
     Plasma Sintering of Ceramic Meterials
     等离子体烧结陶瓷材料
短句来源
     THE SINTERING METHODS OF CERAMIC MATERIALS
     陶瓷材料的烧结方法
短句来源
     Ceramic Composite
     陶瓷复合材料
短句来源
     Ceramic Resonator
     陶瓷谐振器
短句来源
     microwave sintering;
     微波低温干燥;
短句来源
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  ceramic sintering
The effective energy of activation of ceramic sintering is closely controlled by the quality parameters of raw materials and process parameters.
      
In a ceramic based on ZrO2 and stabilized by 5% Y2O3 by the method of ceramic sintering the corresponding parameters are 3%, 5.62 g/cm3, and 271 MPa.
      
The influence of the powder size distribution on the grain growth during ceramic sintering is discussed.
      
Lead-free K0.5Na0.5NbO3-K5.4Cu1.3Ta10O29-MnO2 (KNN-KCT-Mn) ceramics have been prepared by a conventional ceramic sintering technique.
      
The thermodynamics of phase formation and the ceramic sintering mechanism were investigated.
      
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The key problem in ceramic sintering is the atom diffusion or mobility. Proper dopant helps promote defect forming during sintering. It is reported that for KTaO3 ceramics, in which MgO is used as a sintering aid, excellent grain growth and mi-crostructure can be obtained by conventional sintering method. Tests on the dielectric properties within the temperature range 4.2 to 540K show that they are different from those of pure KTaO3 ceramics.

陶瓷烧结的关键问题,是原子的扩散和迁移,适当的掺杂物在陶瓷烧结过程中能促进缺陷的形成.本文报导以MgO为矿化剂掺杂KTaO_3陶瓷的研究结果.用常规的烧结方法获得了良好的晶粒生长及微结构.在4.2—540K的温度范围内测量了介电系数及介电损耗,发现了一些不同于纯KTaO_3陶瓷的结果.

A four raw materials equal particle number model has been proposed based on mathematical principles to analyse geometric reason in three dimensions when we assume that particles in the batch were equal spheroidite,had been well mixed and piled very densely in ceramic sintering.From the model,as the kind of raw material is four or more,the result is different from three or less.And the more the kind,the easier the sintering.This“geometric”reason perhaps will be used in refractory,glass melting and...

A four raw materials equal particle number model has been proposed based on mathematical principles to analyse geometric reason in three dimensions when we assume that particles in the batch were equal spheroidite,had been well mixed and piled very densely in ceramic sintering.From the model,as the kind of raw material is four or more,the result is different from three or less.And the more the kind,the easier the sintering.This“geometric”reason perhaps will be used in refractory,glass melting and metallurgy.

本文假设在陶瓷烧结过程中,坯料中各原料颗粒为等径球粒,经过充分混匀,在坯体中最紧密地排置,并排除物理化学因素。在这种情形下,各原料颗粒之间的配置关系可由等大球体最紧密堆积方式来分析。从数学角度,以图论和群论为依据,推导出空间上等大球体最紧密堆积的“四色原理”,即采用四种或四种以上原料配料,陶瓷坯体中各原料的分布状态与采用三种或三种以上时有本质的不同。前者将使坯体中各部分在烧结过程中更加均匀、稳定,并加速烧结。

Ceramic Semiconductor Cooling Material was synthesised by Ceramic Sintering Method in gas protection. X-ray diffraction test showed that N、P type materials were solid solutions based on Bi_2Te_3 and Sb2Te3 respectively.SEM test proved that the two type materials were inhomogeneous and with layered structure.Mechanical test showed that the materials had satisfactory mechanical strength. 127couples of single-stage refrigerator stack and a 12L cooling and heating device were made and the properties...

Ceramic Semiconductor Cooling Material was synthesised by Ceramic Sintering Method in gas protection. X-ray diffraction test showed that N、P type materials were solid solutions based on Bi_2Te_3 and Sb2Te3 respectively.SEM test proved that the two type materials were inhomogeneous and with layered structure.Mechanical test showed that the materials had satisfactory mechanical strength. 127couples of single-stage refrigerator stack and a 12L cooling and heating device were made and the properties were measured. The results were as follows:(1)Thermoelectric Properties of Materials:Z_N=3.4×10 ̄(-3)K ̄(-1),Zp=3.5×10 ̄(-3)K ̄(-1)(2)Performance of 127 Couples of Single Stage Refrigerator Stack:Tr=35℃,△Tmax=75K;ε=0.85when △T=30K(3)Performance of 12L Cooling and Heating Device:p=44W,I=3.7A,u=l2v,Tr=30℃,Tc=4℃,ε=0.8;Heating:Th=75℃

立足于国内外现有的制备半导体致冷材料的方法,采用陶瓷工艺,在气氛保护下,通过固相烧结反应制备出温差电多晶材料。X-ray测试结果表明,得到的N型材料是以Bi2Te3为基的固溶体,而P型材料是以Sb2Te3为基的固溶体。扫描电镜观察结果表明,制备出的N、P型材料都是各向同性的多晶层状结构材料。力学测试结果表明,N、P型材料均有很好的抗压强度。热电性能测试结果表明材料具有较好的热电性能,P、N型材料优值系数分别达到Zp=3.5×10-3K-1、ZN=3.4×10-3K-1。用该材料制作的127对致冷堆,保持室温环境,最大温差可达75K;在温差为30K时,致冷系数为0.85。用该致冷堆组装12立升冷暖保鲜箱,工作电流为3.7A,工作电压12V,功耗为44W,致冷系数为0.8,当室温30℃时,箱内可以致冷到4℃;致热可以到75℃。

 
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