Seeing a cake flying through the air, a lorry-driver who was drawing up alongside the car, pulled up all of a sudden. 一个货车司机正在超车上来,看到一块蛋糕从空中掠过,于是他把车刹住。
Recently, the pollution caused by industrial exhaust gas, especially, the air pollution and acid rain resulting from the sulfur of exhaust gas, is increasingly drawing people's attention. 近些年来,人们越来越重视工业气体产生的污染,尤其是工业气体中硫产生的大气污染和酸雨。
Up in this high air you breathed easily, drawing in a vital assurance and lightness of heart. 生活在高原空气中的人们呼吸舒畅,身心踏实而轻快。
The Design of Control Circuit of Standard Air-driven Program by X-D Drawing 用X-D图法设计标准气动行程程序控制回路
The effects of the jet stretch ratio and draw ratios of three-stage drawing including air drawing, DMF bath drawing, hot water and boiling water drawing and dry-hot drawing on the properties of PAN fiber were studied in dry-jet wet spinning. 研究了干-喷湿纺聚丙烯腈(PAN)初生纤维的喷丝头拉伸比和三级拉伸(空气拉伸、DMF浴拉伸、热水和沸水拉伸、干热拉伸)工艺中各拉伸比对纤维性能的影响。
Taking the air conditioning system with two chillers of identical capacity operating in parallel as an example, determines the sharing strategy of optimum load by drawing the curves of load ratio and power ratio. 以两台容量相同并联运行的冷水机组空调系统为例,通过绘制负荷比与比功率关系曲线,确定了最优负荷分配策略。
Comparing the constant pressure method through ways of making-up water and the system of air blasting and drawing out from the boiler, the application of variable frequency speed control is more effective and beneficial, and have good perspective in the future. 针对供热系统落后的补水定压方式和锅炉鼓、引风系统,阐明变频调速技术在这2方面的应用以及取得良好的效益和远大的发展前景。
Based on analyzing the numerical model whit the gas-dynamic theory, various air current parameters of the drawing system are tested with the use of S-A turbulence model. 在用气体动力学分析数值模型基础上,运用S-A模型对改变各种参数的牵伸器进行计算。
Believes that by the two indexes not only can judge which is the best from among the duct layout options for an air conditioning system, but also present a possibility to develop the integrated software with calculation and drawing functions for the optimum duct layout automatically. 认为这两个量化指标,既可以方便地判别一个空调风管系统的几种布置方式中哪一个最优,也为开发可自动进行风管优化布置的计算绘图一体化软件提供了可能。
The influences of viscosity, spinning temperature, quenching air, after drawing ratio, crimp, shrink setting of two components on fiber properties were discussed in detail. 讨论了两种切片的特性粘数、纺丝温度、侧吹风、后拉伸倍数、松弛定型等工艺对纤维性能的影响。
According to the characteristics of the system, principles of the design of an air defense decision-making support systems is present in this paper, which describes the application of geographic information technique in the system, with the emphasis on the drawing and integration of electronic maps. 本文针对防空指挥决策支持系统的特点,提出了系统设计的原则,给出了地理信息技术在系统中的应用,重点介绍了电子地图的绘制、电子地图的集成和动态图层的建立。
According to the experiences in the practice, the second layer air and the second layer gas had a little effect of support burning, and the third air has little effect for combustion, and the power to drawing exhaust gas can only be adjusted in limited range. 在生产实践中,发现燃烧室第二层空气、第二层煤气作用甚小,第三层空气失去助燃作用,废气出口的抽力可调范围有限;
Wide-slot Air Drawing and Web-forming Technology 宽狭缝式气流牵伸与铺网技术
The processes of high frequency induction heating and air flow jet cooling in dieless drawing forming are analyzed and relations between technological parameters and dieless drawing temperature and force are investigated in this paper. 本文对无模拉伸成形时的高频感应加热和喷气冷却过程进行了分析,研究了其工艺参数与拉伸温度场和拉伸力的关系。
In the mechanism drawing teaching, teachers create the air of picture drawing and reading, is not only a key approach for students all-around development education but also a key channel to cultivate their creative mind and ability. 机械制图教学中,教师如何为学生创造画图、读图教学情境是全面实施素质教育的重要途径,是培养学生创新意识、创新能力的重要渠道。
The paper outlines the construction features, the drawing principle, the fix of the air drawing jet nozzle, and the fix methods and the maintenance of the air cavity in the nozzle. 简述了气流拉伸喷嘴的结构特点、拉伸原理、安装调整以及喷嘴气流腔的安装方法和保养。
It is shown that the more the flow amount of the air chamber is supplied, the higher the vacuum of the air chamber, and the higher the side-lay ′ s drawing force; 测试结果表明:气腔气体流量与气腔真空度成正比,即与侧规拉纸力大小成正比;
Calculating for Long term Mean Concentration of Air Pollutant and Drawing Its Isoconcentration Curves 大气污染物长期平均浓度计算及等浓度曲线的绘制
The computer aided design and drawing system for air impact moulding line plane layout project described in this paper involves IBM PC/ AT as the principal machine and Auto CAD drawing software package as the maim support software. 该文介绍的气冲线平面布置方案计算机辅助设计和绘图系统,以IBMPc/AT为主机,以AUTOCAD绘图软件包为主要支撑软件。
OBJECTIVE To compare the quality difference of Flos Lonicerae, Radix astragal and Radix Paeoniae rubra with the vacuum air current for plant cell wall broken and the traditional drawing technology. 目的考察真空气流植物细胞破壁技术与传统提取工艺的质量对比。
Matching the Air Flow with the Side-lay ′ s Drawing Force for the Suction-tape Feeding Table 真空输纸板气体流量控制与侧规拉纸力的匹配
The production of city landscape painting has brought the fresh air for the theorists and the drawing domain, but it is profound to my influence and placed mine creation this. 城市山水画的产生给理论界和绘画领域都带来了新鲜的空气,而它对我的影响更是深刻、重大,并引导了我的创作实践。
On this condition, analyze different upper air floatation plane angle of dovetail guide way bearing loading capacity. Finally determine the structure and technological parameters of guide way and the engineering drawing. 在此基础上,对不同上侧气浮面夹角的燕尾形导轨承载力进行分析,最终确定各导轨面的结构和工艺参数并出工程图。