The combination of the machinery production in large scale with the institution of wage labour is an important mark of the modernity of production and management in the early history of Jiangnan shipyard. 大规模机器生产和自由雇用劳动制度相结合,是江南制造局生产经营现代性的重要标志;
In this paper, the mechanisms of formation of rolled-in scale and scale mark are analyzed which are the major surface defects of continuous hot rolled strip used for cold rolling. 对热轧板结疤缺陷和冷轧板成串孔洞缺陷进行取样,金相分析认为具有黑色纤维状组织的疤皮部分是钢基受撞后的分离物。
Analysis of the Causes of Scale Mark Formation on the Surface of Hot Rolled Low Carbon Coils 热轧低碳钢板卷麻面产生原因分析
A study of scale mark dimensions, separation and reading distance of panel instrument dial BES Data off-line calibration 开关板电表刻度线粗细、长短、间隔与观察距离的初步研究BES实验数据离线刻度
Author analyzes the causes of main defects of hammer forgings, such as overlap, mismatch, scale mark as well as die collapse, and presents preventive measures. 分析了锤上模锻件的主要缺陷&折叠、错移、氧化皮垫伤、锻模塌陷等的主要成因,提出了预防解决的措施。
A new method, which adopts "Rolling Raster" as a length standard, takes aim at the scale mark via a microscope and directly verifies the scale intervals of a measurand steel tape, is introduced and the errors are analyzed briefly. 介绍一种采用滚动光栅作为长度标准,通过显微镜瞄准刻线,直接对被检钢卷尺刻线间隔进行检定的装置和新方法,并简要地进行了误差分析。
Three micro scale measurement methods have been developed, which are array microindentation mark method, speckle microinterferometry and crystal grain deformation analysis ( CGDA). 首先在检测方法和技术方面主要做了如下三个方面的工作:一、微区域变形的微纳米压痕标记检测方法。
Development of Millikan Oil-drop Experimental Apparatus with Electronic-scanning Scale Mark and Character Display 带电子刻度及文字显示密立根油滴仪的研制
Some large span space structures with large scale, novel and advanced technology has also become a mark of social progress and civilization. 一些规模宏大、形式新颖、技术先进的大型空间结构也成为一个国家经济实力与社会文明的重要标志。
Automobile industry has a large economic scale and long industry chain, and has great impact on the development of national economy and social life. The development level of the automobile industry is an important mark of the national economic strength, living standards and technical level. 汽车产业经济规模大,产业链条长,对国民经济发展和社会生活影响巨大,汽车产业发展水平是衡量国家经济实力、生活水平和技术水平的重要标志之一。
The industrial scale and technology level has already been a measure mark of national power and regional technology strength. 集成电路的产业规模和技术水平已成为衡量国力和地方科技实力的一个重要标志。