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- Three rolling schedules were selected, dynamic simulations on the preloaded housing of cold ring rolling mill were proceeded with 3D finite element method, the results were compared. 选取3种轧制规程,用三维有限单元法对预紧机架进行了动力仿真,并进行了分析和比较。
- Optimizing reheating process and rolling schedule can,to a certain extent,reduce the detrimental effect of the crack. 优化再加热工艺和轧制规范,可以在一定程度上减缓裂纹的不良影响。
- This research proposes a time window and GA based rolling scheduling method for real berth allocations to deal with the uncertainties. 本研究提出一以时窗与遗传演算为基的滚动式船席分配法求解具非确定因子的船席分配问题。
- The results on practical production data show that the model and the hybrid optimization approach are viable and effective for the hot rolling scheduling. 对某钢厂实际生产数据仿真结果表明,所提出的模型和算法对于求解热轧调度问题具有可行性和高效性。
- The shape optimal rolling schedule and new method of shape and gauge coordination control which inferred from the new built analytic shape equation have been achieved. 应用最近建立的解析板形方程推出板形最佳轧制规程和板形板厚协调控制新方法。
- The physical properties of aluminium alloy 6082 cast ingot at high temperature, heat process for hot rolling, hot rolling schedule and side rolling process were researched. 研究了6082铝合金铸态高温性能,热轧过程的加热制度,热轧道次压下量和滚边工艺,确定了热轧工艺参数。
- A genetic algorithm for rolling schedule was to code and operate the reduction rates by the targets of load equalization and fine shape on certain constraint conditions. 应用遗传算法进行轧制规程优化设计,即以负荷均衡和板形良好为目标,在一定的约束条件下,对压下率分配比进行编码。
- Chock the barrel up or else it will roll over. 用楔子塞住圆桶,不然它会滚过去。
- The comedian soon had them rolling in the aisles. 那滑稽演员很快就逗得他们捧腹大笑。
- The national debts of that country are rolling up. 那个国家的国债在不断地增加。
- This paper deals with the problem of hot rolling scheduling in iron and steel plants,and it is treated as a multiple traveling salesmen problem with capacity constraints and a heuristic is proposed. 研究了钢铁厂的热轧调度问题,将其转化为带有能力约束的多旅行商问题,并对此给出一个启发式算法.
- He's a rolling stone and got no where all his life. 他见异思迁,毕生一事无成。
- Smoke was rolling up from the burning oil up smoke. 正在燃烧的汽油箱上浓烟滚滚。
- The slow steady roll of the ship made him sick. 轮船不停地缓慢摇晃使他感到不适。
- The ship was rolling heavily to and fro. 那船晃来晃去很不平稳。
- The desk calculator use a roll of paper. 这台台式计算机使用卷纸。
- She is crazy about rock and roll. 她喜欢摇滚乐。
- I'm going to a rock and roll concert tonight. 我今晚正要去参加摇滚音乐会。
- If the table top isn't level, things will roll off. 如果桌面不平,东西就会滚下来。
- The boy turned up missing at roll call. 小男孩在点名时不见了。