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- Keywords CMR effects;Pr based perovskite oxides; 大磁阻效应;镨基钙钛矿氧化物;
- Perovskite oxide thin films and heterojunctions have been fabricated by laser molecular beam epitaxy controlled in atomic scale. 用激光分子束外延,原子尺度控制的外延生长出多种钙钛矿氧化物薄膜和异质结。
- The surface and interior of the granule have different electronic and magnetic transport properties for manganese perovskite oxide granule system. 对于锰基钙钛矿结构氧化物颗粒系统,其颗粒表面和颗粒内部表现出不同的电、磁输运性质。
- This moulder has an exclusive differential all cast iron base construction. 独特设计的全铸铁结构性,彻底展现四面铇的傲世典范。
- Relaxor based perovskite lead-zinc-niobate [Pb(Zn1/3Nb2/3)O3, PZN)] ferroelectrics have high dielectric constant and good electrostrictive properties as well as relative high Curie temperature. Pb(Zn1/3Nb2/3)O3(PZN)弛豫铁电陶瓷是一种高介电、高机电耦合系数以及较高居里温度的介质材料。
- Greep resisting nickel and iron base alloys have been linked inexorably with the development of gas turbines. 燃气涡轮发动机的发展同抗蠕变镍基和铁基合金的发展紧密联系在一起。
- The influences of the perovskite oxide structure on oxygen permeability and permeation stability, membrane stability in the reducing environment, membrane surface modification, as well as the potential applications of this method are reviewed. 对钙钛矿型透氧膜材料的结构对透氧量和稳定性的影响、透氧膜在还原性气氛下的稳定性、膜的表面修饰以及混合导体透氧膜在甲烷部分氧化制合成气的应用前景进行了评述。
- The reaction mechanism of NBC-1 non_chromium iron based catalyst is studied through TPD,TPSR and PSR. 通过TPD、TPSR、PSR等手段 ,对NBC -1型铁系无铬CO高温变换催化剂进行了变换反应机理的研究。
- This paper introduces some kinds of catalysts for automobile exhaust purification, such as Three Way Catalysts (TWCs), perovskite oxide catalyst, and molecular sieve catalyst by metal ions. 综述了目前国际上催化消除汽车尾气催化剂的研究现状,分析了三效贵金属催化剂、钙钛矿氧化物催化剂、分子筛催化剂各自的优势和存在的问题。
- It was found that the capacity of oxygen absorbing increased with the increasing content of iron based deoxidizing a... 随着薄膜厚度的增加,薄膜吸氧量减少。
- Greek-Turkish iron base magnetic material production and sales of products since. 希土铁基磁体材料的生产及产品的自销。
- The micro structure of iron based P/M oil impregnating antifrication materials includes pearlite, cementite and free graphite . 铁基粉末冶金含油减摩材料的显微组织为珠光体、渗碳体和游离石墨。
- An oxygen absorbing resin was obtained by dispersing iron based deoxidizing agent into PE-LD matrix containing a small fraction of EVOH. 采用铁系脱氧剂、乙烯-乙烯醇共聚物(EVOH)、相容剂和PE-LD,通过双螺杆挤出机制备吸氧母料,将其与适量PE-LD混合经单螺杆挤出机吹塑成吸氧薄膜。
- perovskite oxide conductive materials 钙钛矿氧化物
- On this context, a nucleation mechanism was developed, attempting to explain the origin of martensitic nucleation in iron based alloys. 在动力学研究的基础上,提出了马氏体相变的形核机制。
- perovskite oxide eonduetive materials 钙钛矿型氧化物超导薄膜
- WT5”,6BZ]In the present paper,the effects of rare earth(RE)and chromium on corrosion of iron base fluxing alloy spray-welding coatings is reported. 本研究着眼于考察稀土和合金成分对铁基自熔合金涂层的耐蚀性的影响,对不同成分的合金涂层进行了三酸一盐的浸蚀试验。
- Pierre,F Bosseket,M Peronnet,et al.Chenmicl reaciviy of iron base substrates with liquid Mg-Zr alloys[J] Acta Mater,200149:653. 张鹏;杜云慧;曾大本;等.;熔铝灰铁坩埚的腐蚀与防护[J]
- The company’s main products cover series of oil impregnated bearing, all kinds of gears and powder metallurgy components including copper baste,iron-copper base and iron base. 公司的主要产品为铜基、铜铁基、铁基、不锈钢等各系列含油轴承、各型齿轮及其他粉末冶金结构件。
- HERETO-EPITAXIAL GROWTH IN PEROVSKITE OXIDE THIN FILMS 异质外延生长钙钛矿结构氧化物薄膜