查询词典 hard steel

Taiyuan Yan and stainless steel decorative Limited is specialized in stainless steel decorative materials and decorative type of stainless steel involve heterotypic structures, sculptures, reliefs and various indoor and outdoor decoration business.

太原焱和不锈钢装饰有限公司是专业从事不锈钢装饰材料及涉及装饰类不锈钢异型结构、雕塑、浮雕及各类室内外装修工程的企业。

A dynamic spalling strength test of fiber RPC(steel-cotton,coppered steel and hookish steel fibers)cylinder specimens(φ70×500) was carried out by using φ74 split Hopkinson pressure bar.

采用φ74变截面Split Hopkinson Pressure Bar对φ70×500的3种钢纤维(钢棉、镀铜钢纤维、端钩钢纤维)种类及5种配比的活性粉末混凝土，进行同一种应变率下动态层裂强度的实验测试。

During the actual production, that the oxygen contamination from the crucible material by heat composition increases the oxygen content of molten steel will result in melting losses of the alloys in the molten steel, and will results in more heavier melting losses of the alloys, incontrollable exact chemical content of molten steel, increment of oxide inclusions and bad processability and serviceability, especially in the high strength(σb≥1600MPa) steels and alloys with special performance used in aerospace industry, manufacturing industry for precision instruments and meters, military industry, nuclear industry etc. because these steels usually have a high content of some active alloys such as Ti, V, Nb, Al, RE, etc. and a nearly zero content of dissolved oxygen.

实际生产中，如果炉衬热分解向钢液供氧，势必会造成钢液中合金元素的烧损，尤其是在航空航天、精密仪器仪表制造、军工及核工业部门使用的某些具有特殊性能的高强度(抗拉强度σb≥1600MPa)合金或钢材，因它们通常需要具有较高的活泼合金元素(如Ti、V、Nb、Al、RE等)含量，且钢中溶解氧含量接近于零，炉衬热分解供氧将造成这些合金元素的大量烧损，其结果是钢液化学成分难以精确控制，并增加了氧化物夹杂含量，恶化了钢的加工和使用性能。

The results indicate that the surface of the steel wire becomes rugged in small size after the pretreatment which is very good for formation, solidification and crystallization of liquid Cu on the rugged surface of steel wire and also makes grain refinement of Cu steel inlaying each other on the interface with good bonding.

结果表明，经预处理的钢丝表面呈现细微的凸凹不平状态，特别有利于液态铜在钢丝表面异质形核、凝固、结晶，使铜和钢的晶粒在界面上相互镶嵌，达到良好结合。

Use steel emery to treat steel cast iron and other irony metal; use quartz sand to treat stainless steel, Alminium, Zinc or other ironless metals.

对于金属表面的防锈油、油质等，可使用溶剂（如丙酮、120#以上高标汽油或95%浓度的酒精）浸泡或冲洗进行脱脂。

Sodium laurate is not effective for carbon steel corrosion in CO_2-saturated solution containing Cl-, but it is effective for galvanic corrosion of galvanic couple (stainless steel/carbon steel).

月桂酸盐对碳钢在饱和CO_2的含氯离子介质中的腐蚀抑制效果较差，但对碳钢/不锈钢偶对的电偶腐蚀抑制效果较好。

The seamless steel tube is one of the products of metallurgic industry, and it is used in almost all industrial departments. Sometimes, the seamless steel tube is the representation of a country"s industrial level; therefore, every industrial country in the world attaches importance to the seamless steel tube"s development.

无缝钢管属于冶金行业的高附加值产品之一，钢管的用途几乎涉及到所有的工业部门，它在一定程度上代表了一个国家的工业水平，所以各国都对钢管的生产和发展十分重视。

Materials are mainly carbon steel, alloy steel, stainless steel, Monel, Alloy 20, and in accordance with user requirements to create a variety of special valves Products.

材料主要有碳钢、合金钢、不锈钢、蒙乃尔、 20 号合金等，并可根据用户要求制造各种特殊阀门产品。

Valve materials have various types of carbon steel, alloy steel, stainless steel, monel, alloy and other material on the 20th-oriented and based on customer needs and wishes of smelting and manufacturing.

阀门材料以有各种型号的碳钢，合金钢，不锈钢，蒙乃尔，20号合金等材料为主，并可以根据客户的需求和意愿进行冶炼与制造。

The fracture reasons of high strength PC steel wire are analyzed, it's considered that center segregation, central cavitation, poriness and inclusion are the metallurgical reasons which lead to the facture of PC steel wire and in the rolling process, differential coping quality, microcrack caused by surface defect, abnormal microstructure caused by burnt and improper cooling velocity, the ears on the head of the wire, overlapping of the wire rod itself are the main reasons which lead to the facture of PC steel wire. At the same time, inappropriate pickling, differential phosphorization quality, the bad heat treatment quality, the generation of crack in the improper drawing and transverse crack caused by abnormal laying of the drawing die are also the reasons of the cracking of PC wire.

对高强度PC钢丝断裂原因进行了分析，认为连铸坯的中心偏析、中心缩孔、疏松和夹杂是导致PC钢丝断裂的冶金原因；轧制过程中，较差的修磨质量、表面缺陷导致的微裂纹，过烧以及不适当的冷却速度导致的非正常显微组织，盘条头部的耳子、盘条本身折叠是导致PC钢丝断裂的主要原因；同时，不恰当的酸洗、较差的磷化及热处理质量、不适当拉丝裂纹的产生、拉拔模具安放不正导致的横裂也是PC钢丝断裂的原因。

You can snipe the second and third union leaders from this position.

您可以鹬第二和第三工会领袖从这一立场出发。

Aiming at the currently shortage of XML streams quality detecting, this paper proposes a new forecasting method of XML streams quality by least squares support vector machines, which is used the method of XML keys' vector matrix as windows, and vector product wavelet transform to multilevel decompose and refactor the XML streams series, that can fulfill real-time checking demand of XML quality, and ensure constraint, consist- ency and integrality. For even more adapting net load, it proposes a control strategy by weight and adaptive adjustment to ensure XML streams quality.

针对当前XML数据流质量检测存在的不足，提出构建XML键的矢量矩阵作为窗口，利用矢量积小波变换多级分解与重构XML数据流，再结合最小二乘支持向量机对XML数据流质量进行预测的一种方法，满足XML数据流质量重构时实时检测的要求，保证XML数据的约束性、一致性与完整性；为了更好的适应网络负载，采取加权与自适应窗口调整等调度策略充分保证XML数据流的质量检测。