The strength, toughness and surface hardness of medium Manganese austenitic steel have been increased greatly by casting surface alloying and complex modification.
通过铸造表面合金化和复合变质处理，使中锰奥氏体钢的强度、韧性和表面硬度显著提高。
The hardness and its microhardness of medium phosphorus white cast iron are higher than those of the common white cast iron, but its impact toughness slightly decreases.
中磷白口铸铁的宏观硬度和显微硬度高于普通白口铸铁，但冲击韧性略有降低。
The effect of some common carboxylic acids as well as sulphuric acid concentration on thickness and hardness of medium temperature anodizing film of Al alloy was investigated.
研究了一些常见的羧酸以及硫酸浓度等对铝合金中温阳极氧化膜的厚度和硬度的影响。
At present, the most widely used for stainless steel kitchenware, lamps, motorcycle parts, auto parts and other fine polishing medium hardness of materials, but also for free grinding.
目前，最为广泛地应用于不锈钢餐厨具，灯具灯饰摩托车零件，汽车配件等中等硬度材料的精细抛光，也用于自由研磨。
The density, machinery intensity, hardness and medium resistance index of the rubber products meted the technology requirement.
胶件密度、机械强度、硬度、耐介质系数等性能指标均达到技术要求。
Carburizing and quenching, with high surface hardness, good toughness characteristics, the heart of cold plastic deformation of medium, cutting is good.
经渗碳及淬火后，具有表面硬度高、心部韧性好的特点、冷变形塑性中等，切削加工性好。
PCB series crusher is used for breaking medium degree of hardness materials, such as brittle ore, rock, coal limestone, slag, etc. in chemicals, cement, building materials and electricity industries.
PCB系列锤式破碎机可供化工、泥、材、电等工业部门做中碎或细碎各种中等硬度以下的脆性矿山、石和煤、灰石、渣等。
Because working condition too harsh and rubber elastomers and working medium incompatible rubber hardness, or cause increased the hardness of the elastomer is too high;
由于工况条件过于苛刻和橡胶弹性体与工作介质不相容引起橡胶硬度增加，或者弹性体的硬度太高；
The compressibility of vuggy rocks with medium hardness is usually small and can be neglected in the calculations of reservoir engineering.
计算结果还表明，中等硬度的岩石溶洞的压缩系数都很小，油藏工程计算中可将其忽略。
Ring hammer crusher apply in mining, cement, coal, metallurgy, building materials, road, such departments of medium hardness and brittleness material finely.
环锤式破碎机适用于矿山、水泥、煤炭、冶金、建材、公路、燃化等部门对中等硬度及脆性物料进行细碎。
This paper introduced the characteristics of high dense fluid concrete, design of batching ratio, the experiment and test of bent concrete component in medium hardness prestress.
介绍了高流态自密实砼的性能、配合比设计方法及其在中等强度等级预应力受弯拉砼构件中的应用试验及测试情况。
The mill Liners of high-carbon medium-chromium alloy steel have ideal coordination of toughness and hardness after optimum heat treatment determined by cross-design.
本文介绍采用高碳中铬合金钢作为磨机衬板材料，按照正交设计法优选热处理工艺参数，得到材料韧性和硬度的理想配合。
Under certain wear condition the wear resistance of 45 steel with medium hardness is higher than that with high hardness.
在一定磨损条件下，中硬度钢比高硬度钢耐磨。
The wear mass loss is high when the abrasive medium has high hardness, multilayer coating shows better wear properties than single-layer coating in the effect of biggish load.
磨料的硬度较高时，涂层的磨损质量损失较大，与单层涂层相比，多层涂层在较高载荷作用下具有较好的抗磨损性能。
The valve has its advantages to high-hardness particle medium, or soft corrosive particle medium, it is the sole valve suitable for this type of medium at present.
用于高硬度的颗粒介质，或有软颗粒但又有腐蚀的介质中，本阀门具有优势，也是目前唯一合适此类介质的阀门。
Ceramic chemical properties of stable structure, high hardness, acid and alkali resistant to most medium corrosion, abrasion resistance and is excellent.
结构陶瓷化学性能稳定，硬度高，可耐绝大部分酸碱介质腐蚀，并且具有极好的耐磨性能。
The effect of SST103 quenching medium on hardness distribution and cracking character of low chromium semi-steel were studied.
利用冲击疲劳试验 ，研究了稀土变质及热处理对低铬半钢抗冲击疲劳性能的影响。
The effect of SST103 quenching medium on hardness distribution and cracking character of low chromium semi-steel were studied.
利用冲击疲劳试验 ，研究了稀土变质及热处理对低铬半钢抗冲击疲劳性能的影响。
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