Ideological political work is a science of having its inherent laws, so it is very important how to seize the standard of “inflexibility” and “flexibility”.
思想政治工作是一门有内在规律的科学,如何在实际工作中把握好“硬性”与“弹性”的尺度非常重要。
Effect of aluminium of alloying element on the red hardness of the high speed steels was discussed.
简述了高速钢的应用及发展情况,在此基础上讨论合金元素Al对高速钢红硬性的影响。
The hardness, red hardness and bending strength after quenching and tempering were determined, and the factorsof influence on red hardness and toughness were analysed.
测试了M2高速钢在不同温度时的淬火和回火后的硬度、红硬性和抗弯强度,分析了影响红硬性和韧性的各种因素,发现淬火温度对红硬性影响明显,回火温度对红硬性影响不明显;淬火温度和回火温度对韧性均有明显的影响;就改善M2高速钢韧性而言,提高回火温度比降低淬火温度更有效。
Investigation on red hardness of both aluminium and common high speed steel as well as tooling quality of screw tap made of the steel shows that tooling quality of screw to tap of aluminium high speed steel is obviously better than that of common high speed steel.
铝高速钢与普通高速钢的红硬性对比试验以及丝锥切削对比的试验研究表明 ,将铝高速钢用作螺纹工具—丝锥能明显提高其切削性能 ,从国内矿产资源角度看 ,开发使用铝高速钢具有其实际意义。
Changes in quick self-hydraulicity of Baosteel different BF slag,changes in strength of different slag at different maintenance temperatures and changes in strength of different BF slag stimulated by clinker are tested in various ways.
通过各种试验测试宝钢不同高炉矿渣的自身快速水硬性变化、不同高炉矿渣在不同养护温度下不同养护龄期强度变化以及不同高炉矿渣在水泥熟料激发下的强度变化,从而分析各种外界因素对其活性的影响程度。
As a new type of building material, the cement soil is composed of cement, soil and water It has the characteristics of not only soil engineering, such as the optimum water content, the maximal dry unit density, but also concrete, such as hydraulicity and strength increasing with time etc.
水泥土作为一种新型建筑材料，它是由水泥、土料和水三种材料构成，它不仅具有土工的一些特点，诸如最优含水量、最大干密度；同时也具有混凝土的某些性质，诸如水硬性、强度随时间增长等；在大量的试验基础上，对水泥土的性能进行分析并得出水泥土的一些性能特点，有助于在岩土工程中的广泛应用。
The paper has a discussion on the appropriateness,feasibility and effectiveness of putting the wastedump of the underground mine in the surface dip offset zone,makes an analysis on soft and hard factors of hidden dangers during waste rock dumping and introduces corresponding safety measures.
本文论述了此坑采矿山废石排放在地表错动带范围内的适宜性、可行性和效益性,分析了废石排放过程中存在的安全隐患的软性因素和硬性因素,并介绍相关安全保护措施。
The results show that the RE-Al-bronized layer may be consisted of phases FeB without (Fe,Al)B or (Fe,Al)_2B,and the microstructure of the layer is continuous and compact, the layer possess high microhardness and red hardness.
结果表明,共渗层主要由FeB相构成,没有发现(Fe,Al)B或(Fe,Al)2B物相;共渗层组织连续致密,具有很高的显微硬度和热硬性。
By using such process, the hardness, together with the red hardness of the steel, may be increased evidently.
这种工艺能在显著提高钢的硬度和热硬性的同时,兼有易于操作和节约能源的优点。