In the past decades , the company has bent itself to establish the high - quality image of its products by ceaseless technology improvement , equipment updating and test method consummation 几十年来公司致力于建设产品高质量形象，进行了不断的工艺改进、更新设备、完善检测手段。
Abstract : defect analysis in cylinder sleeve with high performance by centrifugal casting in metallic mold is made . measure to technological improvement and effect obtained are introduced 文摘:对金属型离心铸造高性能气缸套的缺陷进行了分析，介绍了工艺改进措施及取得的效果。
It has invested a lot in the equipment procuring , technology improving , equipment innovating and staff training to provide satisfactory products and services for customers 在先进设备购置、工艺改进、设备技术改造及员工培训等方面投入了大量资金，以保证为广大客户提供满意的产品和服务。
Improvement measures and synthesis processes of acetamidine hydrochloride from nitrile over acid catalysts were reviewed . suggestions for the production and development of acetamidine hydrochloride in china were put forward 摘要总结了乙腈酸催化法合成盐酸乙脒的工艺改进措施，介绍了?催化法是合成盐酸乙脒的工艺过程，提出了国内盐酸乙脒生产开发的建议。
The model will be improved to predict the whole production process and evaluate its energy and material consumptions and production efficiency etc . , which will provide guides for improving the operation and control of eaf 完善后的模型可望对生产全过程作出动态的预报，并可综合评估电弧炉冶炼的能耗、物耗、生产效率等技术经济指标，从而为电弧炉工艺改进、生产操作与控制提供指导。
We focus on technology creation , both the technical information of industry and partial process improvement , we insist on the principle of do as we can do and strive to be perfect and precise unrelentingly . the company has owned decades of patents and technology experience 我们注重技术创新，大至世界同业技术动态，小至局部工艺改进，有为则为，精工细琢，功重一篑，已拥有数十项专利技术和工艺经验。
It has a lot of employees who are experts in the fields of manufacture , research and market . it also has good relationship of university and scientific research institution . we have first - rate equipment , abundant professionals and capital power , the r & d center has developed many items independently 公司的研发中心拥有一支专业科技队伍，配备完备的实验仪器和先进的分析仪器，具有很强的新产品研发和工艺改进能力。
The paper introduces development and utilization status of phosphate ore resources in wengfu phosphate ore distract , which contents including resources occur status , mining technique , beneficiation process and its modification and resources utilization plan renewed are involved 摘要介绍了?福磷矿区资源现状、开发技术条件、开采技术特点、选矿工艺及在生产实践中对选矿工艺改进调整后在资源利用重新规划方面的重大意义，及矿山的发展前景。
The key to prediction of casting shrinkage / porosity lies in ascertaining the critical value of temperature gradient and niyama criterion . the thesis put forward two methods to ascertain the value , one is which is positive - direction and the other is negative - direction . we verify the realistic arithmetic of temperature gradient method and niyama criterion method by experiment , and we can draw a conclusion that the arithmetic is correct and reasonable in most cases and choice of developing tool is sound 临界梯度值和新山判据临界值的确定是实现缩孔缩松预测的关键，本文提出了确定临界值的正向法和反向法，并以高铬铸铁件缩孔缩松预测和铸造工艺改进为研究对象，应用正向法，确定了温度梯度法的临界值为180 m 。
Therefore , in order to understand the long - time performance of the weld , it is necessary to study the welding interface of niobium alloy and stainless steel , and know the microstructure evaluation . explosive welding and vacuum electron beam self - material brazing were used to prepare the specimen 因此，研究铌合金与不锈钢的焊接结合层，分析形成的互扩散层的组织、成分和性能变化，对了解不锈钢和nb合金的互扩散反应行为，焊接件的焊接工艺改进和长期使用性能的评估是很有意义的。
