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- Keywords line heating;technique parameter prediction;hiberarchy genetic algorithm（HGA）;object function; 水火弯板;工艺参数预报;分层遗传算法;目标函数;
- Keywords： line elementary transformation,column elementary transformation.invertible matrix, primary matrix,linear equations. 作者单位：冯林安（贵阳师专数学系，贵阳550004）
- Step furnace was also used on the train axle production line, pipe production line heat treatment. 步进炉还被采用在火车轮轴生产线、钢管热处理生产线。
- The relations between the acetylene flow rate commonly used in line heating and heating efficiency as well as heating radius were investigated by combining experiments and numerical simulation. 通过实验与计算相结合的方法确定水火弯板常用乙炔流量范围内热效率及热源半径与乙炔流量间的关系，并根据热效率及热源半径的取值偏差叶计算结果的影响进行分析。
- The heat flux in Gauss distribution heat input model employed in numerical simulation of line heating is determined by heating efficiency and heating radius that are determined by acetylene flow rate in turn. 摘要水火弯板数值计算所用高斯分布的热源模型中热流密度由热效率和热源半径决定，而热效率和热流密度主要取决于乙炔流量。
- The in-plane distortion, transverse shrinkage varying along width direction and longitudinal shrinkage varying along length direction of the plate bended by line heating was proposed. 给出了水火弯板变形中的面内扭曲、沿板宽方向变化的横向收缩及沿板长方向变化的纵向收缩的描述函数。
- Refrigerating systems with vapor-liquid heat exchangers are analyzed by this theoretical method with R12,R22 or their substitutes as refrigerant,which provides a guideline to correctly use suction line heat exchangers in engineering. 并计算出了R12、R22等常用制冷剂及其替代制冷剂在标准工况下吸气过热度对理论制冷循环性能的影响,为工程中正确使用回热器提供指导。
- Keywords line pipe bauschinger effect quality; 管线钢管;包辛格效应;质量;
- Decreasing the refrigerant super-heating degree at the outlet of the suction line heat exchanger can reduce the evaporator size, but it simultaneously increases the refrigerant mass flow rate and compressor power. 降低制冷工质在回热器出口处的过热度;可以减小蒸发器的尺寸;但由此带来的不利因素;是需要增加制冷工质的质量流量以及提高压缩机的压缩功率.
- Description Methods of Line Heating Deformation 水火弯板变形的描述方法
- Keywords line pipe;DWTT;testing standard;shear area; 管线钢管;落锤撕裂试验;试验标准;剪切面积;
- Keywords line of production;cutter;graining roll;technological process; 生产线;刀具;压纹齿辊;加工工艺;
- Sinaulation analysis on T-E-P FEM for plate bending by line heating 线状加热弯板成形的热弹塑性有限元分析
- Keywords line pipe;UOE;high performance;deformability;corrosion resistance; 管线钢管;UOE;高性能;可变形性;耐蚀性;
- In-plane Distortion and Shrinkage Deformation of Line Heating 水火弯板变形中的面内扭曲及收缩变形
- The abrupt movement of the field lines heats and accelerates the ions and electrons in the plasma sheet, injecting them into the inner part of the magnetosphere. 这种磁力线的突然变化，会加热并加速电浆片里的离子和电子，将它们抛向磁层内层；
- Development of study of ship hull plate banding by line heating 船体曲面钢板加工技术研究和展望
- Keywords lining;comfortable property;fabric;ashy-connected method; 里料;舒适性能;织物;灰色关联;
- Mathematical Model of the Surface Shape of Plate Bended by Line Heating 水火弯板成形后板表面形状的数学模型
- Keywords lining germ;tracheal intubation;intratracheal surface anesthesia; 关键词“利宁”凝胶;气管插管;气管粘膜表面麻醉;
