机械工程

The main products are Jingang SNP Brand---- piston, piston ring, cylinder liner, piston pin, valve, bearings and bushings, altogether 100 varieties, which are the important parts for internal combustion engines of automobile, agricultural machinery, engineering machinery and shipbuilding.

公司主要生产的金刚SNP牌活塞、活塞环、缸套、活塞销、气门、轴瓦六大系列100多个机型产品，是汽车、农机、工程机械、船舶的内燃机关键基础件。

In this paper, different methods of preparation about magnetorheological fluids are introduced, including mechanical crushing, wet chemical depositing, anion exchange, pyrolyzing; some main applications of magnet...

介绍了制备磁性流体的几种不同的方法：机械粉碎法、湿式化学共沉法、阴离子交换树脂法和热分解法；介绍了磁流变技术在密封、阻尼器、抛光装置等工程上的一些主要应用，并展望了磁流变技术在建筑、航天等领域的应用前景。

Its main activities involve in the development of new cultivars, sugarcane cultivation, plant protection and cane field machinery; by-product utilization and effluent treatment; new technology and equipment for cane sugar processing, instrument and computer application and automatic control special for sugar mills; cane sugar Product quality supervision and inspection as well as arbitration, and providing scientific and technological information in the sugarcane industry.

本所研究开发的主要内容包括：甘蔗新品种选育、甘蔗栽培、甘蔗植保和蔗田机械；制糖新工艺和新设备；甘蔗制糖副产品综合利用和糖厂&三废&治理；糖厂专用仪器、仪表，微机应用和自控工程；甘蔗糖产品质量监督检测及仲裁；为全国提供甘蔗糖业科技信息。

Case, one of the premiers CNH brands, represents a full line of construction equipment marketed in more than 150 countries.

凯斯是CNH最主要的品牌之一，在150多个国家中占据工程机械市场主要份额。

It is proposed that domestic post insulator of Ⅲpollution class shall have rated mechanical bending strength of 10kN and 16kN, height of (10 000～12 000)mm, at least 8 800mm if it is limited by processing equipment, core diameter of (280～320)mm, creepage distance of (27 500～33 275)mm, and porcelain surface coating with PRTV or RTV.

根据我国1000kV交流输变电工程对高压支柱绝缘子和空心绝缘子技术参数的要求，综合分析国外成功的制造经验、技术参数、500kV运行经验及国内制造能力，提出了国内支柱瓷绝缘子和空心绝缘子在按Ⅲ级污秽等级设计中，额定机械弯曲破坏负荷为10kN和16kN的支柱瓷绝缘子的高度应在(10000～120000)mm之间，如受制造设备限制，高度至少不小于8800mm，主体直径为(280～320)mm，爬电距离为(27500～33275)mm，并且应在其瓷表面涂PRTV、RTV；空心绝缘子的长度为(11000～13000)mm，最低高度不应小于9600mm，主体直径为(900～1200)mm，爬电距离为(40000～50000)mm。

Also can have some other specialized engineers among very many situations to involve, for example, in a dike project, electric power engineer and mechanical engineer can participate in the power station the design and its the equipment setup.

也有一些专门的工程师在很多情况下介入，例如，在堤防工程电力工程师和机械工程师，都可以参加该电站的设计及其设备的安装。

School of Mechanical and Power Engineering,Shanghai Jiaotong University,Shanghai 200240,China

上海交通大学机械与动力工程学院，上海 200240

College of machinery and Power Engineering, Nanjing University of Technology, Nanjing 210009

南京工业大学机械与动力工程学院，江苏南京 210009

College of Mechanical and Power Engineering, Nanjing University of Technology, Nanjing 210009, China

南京工业大学机械与动力工程学院，南京 210009

College of Mechanical and Power Engineering, Nanjing University of Technology, Nanjing 210009, China

南京工业大学机械与动力工程学院，江苏南京 210009

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。