工匠们对玻璃进行试验，为了找到更好地折射光线的方法，在摆弄工艺的过程中发明出了显微镜和望远镜。
Microscopes and telescopes were invented by way of artistic tinkering, as craftsmen experimented with glass to better bend light.
介绍了离心铸造磨球的工艺，以及转速、内浇口断面积计算方法和影响工艺过程的因素。
The technology of grinding ball by centrifugal casting, the rotational speed, the method for calculation of ingate area and factors influencing technological process were introduced.
这种制造方法的特点是，制造工艺过程简单，投产快，生产周期短，成本低，经济效果好。
The features of this manufacturing method are simple machining process, fast commissioning, short productive cycle, low cast and good economical benefit.
本文在介绍了家电产品回收再利用的实际意义、关键技术后，介绍了解决目前产品回收过程中工艺路径方案优化问题的研究方法。
This paper introduces the real meaning and key techniques of recycling and reusing of products, as well as the method of solving the problem of optimization of recycling processes of products.
工艺过程改变的另一方法是用固定式的浴槽和漂洗代替连续式的。
Another method of process change is to substitute standing baths and rinses for running ones.
介绍了钛制叶轮的焊接工艺和制造过程，说明了焊接部位的检查方法及检查结果。
The paper introduces the welding procedure and fabrication process of titanium alloy wheel, indicates the inspection method and quality result of welding location.
电塑性拔丝是指在普通拔丝工艺过程中引入高能脉冲电流对工件进行电刺激的新型加工方法。
The wire drawing with electro plastic effect is a new working process, in which pulse current is introduced into the common wire drawing process.
在系统的总体框架中，分别采用成型工艺方法选择和成型工艺过程模拟的方法来实现评价内容。
In the general framework of system, this paper USES forming process choosing and process simulation to make out the evaluation content.
介绍了用真空电子束焊接大型客车后桥壳半轴的工艺方法，并就焊接过程中存在的主要问题进行了分析。
The process of vacuum electron beam welding for rear-axle housing semiaxis of coach was introduced and the major problems in the process of welding was analysed.
介绍了炼钢上料、卸料综合运行系统的新方法，以及运用PLC技术在新工艺过程中的实现方法和控制原理。
New methods of the load and unload material system, realizing methods and controlling principle of PLC in the new process are introduced in this paper.
给出反弯校直过程中的力参数、工艺参数和结构参数的计算方法。
The computation method for the parameters of mechanics, technology and structure in op bending straightening are derived.
运用数值模拟方法对连接盘的成形过程进行模拟，对其传统工艺进行优化。
Using numerical simulation method, the forming process of joint tray was simulated, and its tradition technology was optimized.
重点论述了涂层在发动机不同零件上的浆料成份及粘度、涂覆方法、烧结温度和工艺过程。
The coating of the slurry composition, viscosity, coating means, sintering temperature and coated technological process which is applied to different parts are studied.
通过金工实习使学生熟悉机械制造的一些过程，掌握金属加工的主要工艺和过程，熟悉各种工具的使用方法。
Through this practice I got familiar with some processes of mechanical manufacture, learned metal processing techniques and how to use different tools.
介绍了某型号运载火箭二级燃料箱后底顶盖成形方法改进及工艺试验过程。
The paper introduces the shaping method improvement and technological trial course of bottom cap of certain model of carrier rocket's fuel tank.
机械制造工艺是机械制造方法和过程的总称。
The machine manufacture craft is the machine manufacture method and the process always called.
本文叙述了含钴、钼、镍、钒废催化剂中有价金属的综合回收新方法和工艺过程。
The article related the new method and technological process of comprehensive recovery the noble metals from waste catalyst containing cobalt, molybdenum, nickel and vanadium.
本文概括地说明了螺旋桨修边技术的机理和现实意义，介绍了有关的计算方法，以及切割的工艺过程。
The mechanism and real significance of the blade shape modification technology of propeller, as well as the calculation method and technical process for blade edge cutting are briefly introduced.
结果表明，本方法简单、快速，适用于工艺过程的监测。
Results indicate that the method is simple and fast, suitable for the monitoring in technological process.
介绍了在虚拟环境下通过动画记录工具将产品零部件的装配顺序和装配路径等工艺结果形成装配过程动画的方法，以此建立可视化的装配工艺文档。
Introduces a method which is used to generate the visualized assembly process documents in virtual environment by (animation) record tools, such as, assembly sequence, assembly path and so on.
介绍了双塔节能尿素工艺装置长期停车方法，对双塔节能尿素工艺装置进行了简介，重点介绍了长停过程中高压物料的回收利用措施。
It gives a brief introduction of dual-tower energy-saving urea process, and emphasizes the recovery and utilization measures of highpressure materials during long-term shutdown.
其中包括焊接工艺评定的试验方法、过程和结果。
It includes the testing method, the process and the result of welding procedure qualification.
阐述了应用MATLAB优化函数对砂带磨削进行工艺参数优化的过程和方法。
It was described the process and methods of parameters optimization for the abrasive belt grinding by using MATLAB optimization function.
阐述了应用MATLAB优化函数对砂带磨削进行工艺参数优化的过程和方法。
It was described the process and methods of parameters optimization for the abrasive belt grinding by using MATLAB optimization function.
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