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In this paper, the internal friction of foamed Al-Si alloy (ZL104) in different bending modes was investigated, for getting the characteristics of the internal friction of foamed metal in different boundary conditions.
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摘要为了获得不同边界条件下泡沫金属的内耗特征，通过采用动态机械分析仪在不同弯曲模式下对泡沫铝硅合金的内耗进行实验研究。 |
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In this paper, the internal transverse cracks of continuous casting slabs of a niobium-bearing peritectic grade of steel are investigated using electron probe microanalyser and optical microscope.
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摘要连铸坯厚度中心存在的内裂纹在后续的轧制过程中轧不合而对产品的质量带来重大的影响。 |
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In this paper, the kinetic model for DC discharge at high pressure is considered.
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我们还讨论了误差来源和扩大适用范围所需要的改进。 |
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In this paper, the large non linear FEM software MARC be used to calculate the 3D deformed distribution of the cold roll forming machine frame, slide seat and bolster plate.
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摘要以大型非线性有限元软件MARC为分析工具，建立接触分析模型，对冷滚轧机床机架、滑台及垫板进行三维有限元弹性接触分析，给出机床三维变形状态的定量描述。 |
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In this paper, the latest progress in the production of chemicals based upon C1 molecules including methane, carbon dioxide, CO and methanol is addressed.
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本文综合讨论了以含一个碳原子化合物为原料合成化学品和新材料的国内外研究与开发的进展，包括已工业化的技术。 |
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In this paper, the linear accumulative damage theory commonly used for calculation of the fatigue of variable amplitude stress is used to assess the fatigue of the same part of the structure due to the two kinds of stress cycling and the assessment formul
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引入通常用于计算变幅应力疲劳的线性累积损伤理论，对2种应力循环引起的结构同一部位的疲劳进行评定，给出组合梁负弯矩区栓订焊趾疲劳评定公式。 |
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In this paper, the location and machining of huge workpiece is discussed, some characteristic point coordinates can be obtained by using NC machine tool and measuring equipment, then position of huge wokpiece under machine reference frame can be acquired
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摘要针对超大型工件的加工定位问题进行了探讨，提出了利用数控机床本身结合一定的辅助测量设备对加工工件进行测量的方法，然后利用测量点与理论模型体的对应点进行数据计算，从而快速确定工件位置。 |
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In this paper, the main characteristics of intelligent protector of valve-controlled lead-acid batteries applied in diesel locomotives are expounded, and its necessity is discussed.
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阐述了内燃机车用阀控式密封铅酸蓄电池智能保护器的主要技术特性和加装智能保护器的必要性。 |
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In this paper, the marine route survey factors, such as water depth, bottom slope, soil shearing strength, tidal current and thunderstorm and their roles in the submarine fibre-optic cable engineering are introduced, and their roles and necessities in the
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摘要介绍了水深、海底坡度、土壤剪切张度以及潮流、雷暴等海洋路由各勘测要素及其在海底光缆通信施工中的作用，并对它们在施工中的作用及其必要性进行了评价，从而使海洋路由勘测与施工的需要结合得更紧密，更具有针对性。 |
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In this paper, the market situation, commercial trend and technological progress of unsaturated polyester resin from 2004 to 2005 were reviewed with 17 references.
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摘要综述了2004-2005年国外不饱和聚酯树脂的市场动态及技术进展。 |
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In this paper, the maximum torque per ample (MTPA) control in permanent magnet synchronous motor (PMSM) direct torque control (DTC) driving system was studied.
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摘要在永磁同步电动机直接转矩控制和最大转矩电流比控制理论基础上，研究了永磁同步电动机直接转矩控制驱动系统最大转矩电流比控制的实现。 |
