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property
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  性能
    Microstructure and Property of eutectic superalloy directionally solidified under high temperature gradient
    高梯度定向凝固共晶高温合金的组织与性能
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    Synthesis, Property and Mechanism of SiC and GaN Semiconductor Nanomaterials and Their Array
    SiC、GaN半导体纳米材料及阵列的合成、性能与机理研究
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    Preparation, Structure and Property Studies of Polymeric Gradient Materials
    聚合物梯度材料的制备及材料结构与性能研究
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    Preparation, Structure and Property of Methyl Methacrylate-N-Cyclohexyl Maleimide-Styrene Copolymer and It's Montmorillonite Nanocomposites
    甲基丙烯酸甲酯-N-环己基马来酰亚胺—苯乙烯共聚物及其蒙脱土纳米复合材料的制备、结构和性能
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    Preparation, Structure and Property of Styrene-N-Phenyl Maleimide-Acrylonitrile/Montmorillonite Nanocomposites
    苯乙烯-N-苯基马来酰亚胺—丙烯腈/蒙脱土纳米复合材料的制备、结构及性能
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  性质
    Study on Preparation, Dilute Solution Property of Membrane Materials and Pervaporation Behavior of Their Membranes for Organic Mixtures (MeOH/MTBE、Benzene/Cyclohexane)
    有机混合物(苯/环己烷、甲醇/MTBE)渗透汽化膜材料的制备、溶液性质及其分离性能
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    Synthesis, Property and Photodynamic Activity of Soluble Phthalocyanines
    可溶性酞菁的合成、性质与光动力活性研究
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    Preparation and Property of α-Fe_2O_3/SnO_2Gas-sensing Film
    α-Fe_2O_3/SnO_2气敏薄膜的结构与性质
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    The Growth and Optical Property of Tl-2212, 2223 Singl Crystals
    Tl-2212,2223相超导单晶的制备与光学性质
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    In order to discuss the developing tendencies of FGM,the concept and the development background of functionally graded materials are introduced,the research progress in preparation methods,property evaluation and applications of FGM are discussed and the prospects of FGM are presented.
    为了对功能梯度材料的发展趋势进行探讨,从功能梯度材料的概念、性质、开发背景、研究现状(包括材料设计、材料制备、材料性能评价)以及在航天、核领域、生物医学、化学、电磁、民用建筑等方面的广泛应用,对功能梯度材料以后的发展趋势进行了简单的预测.
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  特性
    Research on Damping Property and Damping Micromechanism of High Damping Zn-27Al Alloy
    高阻尼Zn-27Al合金阻尼特性及机理研究
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    ON THE HYDROGEN STORING PROPERTY OF Ti SYSTEM ALLOYS
    Ti系合金的贮氢特性
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    A Study of the Thermal Expansion Property of NICALON SiC/Al Preformed Wire
    NICALON SiC/Al预制丝热膨胀特性研究
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    Property of Gas Sensitivity of α-Fe_2O_3 Prepared by Plasma Method
    电弧等离子体法制备的纳米α-Fe_2O_3的气敏特性
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    The Combustion Property of Rare earth based Fluorite Type Oxide
    稀土基萤石型氧化物的燃烧特性
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    Studies on Equilibrium State of Phase Separation and Nonequilibrium State of Rheological Property of Polymer Blend by Nonlinear Sub-cluster Statistical Theory
    高分子合金体系平衡态相分离行为与非平衡态流变行为的非线性群子理论研究
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    MAGNETIC PROPERTY AND THERMOSTABILITY OF Fe-BASE AMORPHOUS ALLOYS WITH HIGH SATURATION MAGNETIZATION
    高饱和铁基非晶态合金的磁性和热稳定性
短句来源
    EFFECT OF MICROSTRUCTURE ON COLD-WORKING PROPERTY IN Cu-Zn-Al SHAPE MEMORY ALLOY
    Cu-Zn-Al形状记忆合金中显微组织对冷加工性能的影响
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    Effect of External Magnetic Field on Magnetic Property of Permanent Magnet in Fe-Cr-Co System
    外磁场对Fe-Cr-Co系永磁体磁性的影响
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    Effect of Manufacture Technology on Self-Lubrication Property of Carbon Fiber/Epoxy Resin Composite
    碳纤维/环氧复合材料制备工艺对自润滑性能的影响
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  property
The application arises because of a very strong homological property enjoyed by certain cell filtrations forq-permutation modules.
      
The Direct Summand Property in Modular Invariant Theory
      
Finite complex reflection groups have the remarkable property that the character field k of their reflection representation is a splitting field, that is, every irreducible complex representation can be realized over k.
      
The proof involves showing that a nonsymmetric version of the relevant integral is annihilated by a suitable ideal of the affine Hecke algebra, and that any such annihilated functional satisfies the desired vanishing property.
      
On Orthogonal Wavelets with the Oversampling Property
      
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In the sudy of the magnetic properties of nickel-copper alloys, it has been observed that the average-magnetic-moments per nickel atom μ(Ni)(on the assumption that μ(Cu) = 0) have a linear relationship to copper content aCu; but if the average-magnetic-moments are counted on all atoms of the alloy, this linear relationship does not hold. After a comperhensive analysis on various electronic structures of nickel-coppers alloys in history, a new electronic structure is proposed as (Ni) (3d↑)5 (3d↓)4(?)4+a + (Ni-Cu)...

In the sudy of the magnetic properties of nickel-copper alloys, it has been observed that the average-magnetic-moments per nickel atom μ(Ni)(on the assumption that μ(Cu) = 0) have a linear relationship to copper content aCu; but if the average-magnetic-moments are counted on all atoms of the alloy, this linear relationship does not hold. After a comperhensive analysis on various electronic structures of nickel-coppers alloys in history, a new electronic structure is proposed as (Ni) (3d↑)5 (3d↓)4(?)4+a + (Ni-Cu) 4S(?)(1-a)+a3+(Cu) (3d↑)5 (3d↓)5 in the region 0≤aCu≤0.6 and as (Ni-Cu) (3d↑)5(3d↓)54Sa in the region0.6≤aCu≤1. In additon to the magnetic property, the relations of the electronic structure with the other physical properties of nickel-copper alloys have also been discussed.

在镍-铜合金的磁性研究中发现按镍原子数均分的平均原子磁矩μ(Ni)(假定μ(Cu)=0)与合金中铜的含量aCu有着直线关系。按合金中所有原子均分所得到的平均原子磁矩不具有这种直线关系,对历史上各种镍-铜合金的电子结构分析之后,我们提出了一个新的镍-铜合金的电子结构当铜含量范围在0≤a≤0.6时。它为(Ni)(3d↑)5 (3d↓)4(?)4+a + (Ni-Cu) 4S(?)(1-a)+a3+(Cu) (3d↑)5 (3d↓)5。当铜含量范围在0.6≤a≤1时,为(Ni-Cu)(3d↑)5(3d↓)5(4s)a。除了磁性以外,我们还对电子结构与镍-铜合金的其它理性质的关系进行了讨论。

In this paper the relationship between the compositions, mechanical properties or microstructures of Mg-Y-Zn-Zr system casting alloys has been studied. It has been found that the ratio of yttrium and zinc content in composition of this alloy will affect its properties and structures. When the Y/Zn ratio equals to about 1.5, the phases at the grain boundaries present a lot of white massive compounds in the form of Mg30YZn and a little of (αMg + Mg48Y5Zn5 ) eutectics. This kind of structure contributes the best...

In this paper the relationship between the compositions, mechanical properties or microstructures of Mg-Y-Zn-Zr system casting alloys has been studied. It has been found that the ratio of yttrium and zinc content in composition of this alloy will affect its properties and structures. When the Y/Zn ratio equals to about 1.5, the phases at the grain boundaries present a lot of white massive compounds in the form of Mg30YZn and a little of (αMg + Mg48Y5Zn5 ) eutectics. This kind of structure contributes the best creep property at high temperature.

本文较系统地研究了Mg-Y-Zn-Zr系铸造合金的成份、性能和组织结构之间的关系。发现成份中的Y、Zn含量比例影响合金的性能与组织。Y/Zn比在1.5左右时,其组织结构中的晶间相是由大量白色块状化合物Mg_(30)YZn和少量深色(αMg+Mg_(43)Y_5Zn_5)共晶所组成。此时合金具有最佳的高温蠕变性能。

Lime sand as a mold material must be decomposed into CaO and CO_2 under theaction of the molten steel.A series of complex physico-chemical reactions will occurin the mold-metal interface and result in blowholes in the casting.The relationship between the gas forming property of lime sand and the sandgrain size and the heating temperature are investigated.Heated above 1100℃,thesand grain size hardly effects on the gas forming property of lime.The heating tem-perature seriously influences on the gas...

Lime sand as a mold material must be decomposed into CaO and CO_2 under theaction of the molten steel.A series of complex physico-chemical reactions will occurin the mold-metal interface and result in blowholes in the casting.The relationship between the gas forming property of lime sand and the sandgrain size and the heating temperature are investigated.Heated above 1100℃,thesand grain size hardly effects on the gas forming property of lime.The heating tem-perature seriously influences on the gas forming property.The total gas generated inone gram of lime sand is 210—250ml.The causes of the blowholes are discussed.It is in the slag phase on the mold-metal surface that the nuclei of the blowholes should easier appear and grow up.When the gas pressure is high,the gas will be immersed into the molten metal and blo-wholes will exist.The relationship between the back pressure and the permeabilityin the mold is discussed.The strict control of the permeability greatly reduces the backpressure with the result that the blowholes will be prevented.

石灰石砂作为一种造型材料在锕水的作用下分解为CaO 和CO_2,在金属铸型界面上产生一系列复杂的物理化学反应,其结果会导致铸钢件产生气孔。本文研究了石灰石砂的发气性与颗粒大小及加热温度的关系。高于1100℃发气率几乎与粒度无关,而加热温度对发气性却有极大的影响。1克石灰石砂总发气量约为210-250毫升。本文讨论了气孔的成因。气核产生于金属/铸型界面上的渣相中,并在其中长大。当气体压力足够大时,气体就极易侵入液态金属成为气孔。本文还研究了铸型背压与透气性的关系。型砂透气性加大可以显著减少背压,防止气孔的产生。

 
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