查询词典 decarburization

In the view point of sustainable development,there exist some serious problems,such as higher energy consumption,environmental pollution,oxidation and decarburization of steels,in the heat treatment industry of China.

从可持续发展的角度分析，我国热处理行业主要存在能耗高、环境污染严重、氧化脱碳严重3大问题。

According to the kinetics of decarburization reactionand the theory of mass conservation,the mathematical model of RH decarburizationprocess has been established.

根据脱碳反应动力学和质量守恒原理建立了RH-MFB 脱碳数学模型。

The rate and limits of the decarburization reaction of FeO dissolved in CaO-SiO2-Al2O3 slag and Fe-C droplets have been studied.

对CaO-SiO2-Al2O3-FeO熔渣体系与铁碳金属颗粒反应的脱碳反应速率及脱碳反应限度进行了研究。

Oxidation, decarburization and ablation of Cr3C2-BaF2CaF2 during spray were avoided due to the protection by NiCr layer.

表而包覆的致密NiCr层抑制了喷涂过程中颗粒的氧化、脱碳初烧蚀。

The spring steel 60 Si2Mn will be decarburized in heating process,and decarburization will reduce the performance of the machine parts.

弹簧钢制作的零件，在热处理过程中会严重脱碳，从而使零件的使用性能，特别是疲劳性能大幅度下降[1]。

Quenching crack propagation characteristics of the organizations on both sides without decarburization phenomenon significant difference between crack and materials and forging cracks.

淬火裂纹的组织特征是裂纹两侧无脱碳现象，明显区别与锻造裂纹和材料裂纹。

The effects of the decarburization of the base metal on bubble formation in enamel coating, the relationship between hardness and firing temperature and time, the effect of crystal nucleus addition and influence of adding adhesive agent .

研究了搪瓷层的硬度与烧结时间和温度的关系，并分析了添加晶核形成剂对搪瓷层硬度的影响，以及搪瓷原料组成中的密着剂对搪瓷层和金属基板密着性能的影响。

Finally the mechanisms and factors of decarburization of WC particles in spraying were explor...

结果表明：纳米结构WC-12Co涂层结构致密，孔隙率低，与基体结合状态良好；纳米粉末在喷涂过程中比微米粉末氧化失碳严重，并发生了不同的纳米晶粒的长大；纳米粉末在喷涂过程中的氧化脱碳程度不仅与喷涂工艺有关，还在很大程度上取决于粉末本身的结构特性。

The results show that the demanganization and desiliconization rate are as high as 80~90% in a best temperature of 1500℃; if more agents are added, decarburization reaction will appear with formation of foam slag.

结果表明，铁精矿A的最佳适用温度为1500℃，最高脱硅脱锰率均达80%～90%，进一步提高加入量只会促进脱碳反应的进行，从而生成泡沫渣。

In addition, there is delamination removal at weak interface due to decarburization.

普通涂层的磨损机制为微切削；纳米涂层在轻载(10 N)下，以塑性变形为主要磨损机制，随载荷增加至30 N，纳米WC粒子不能起到阻抗陶瓷球对磨副的磨削作用，而是随粘结相一起被去除，同时由于纳米涂层脱碳导致的层间结合薄弱，在滑动磨损中易发生成片剥落，耐磨性大幅下降。

Fancy gold-plated dangling earrings with facetted White Opal crystals.

花式镀金悬垂耳环与facetted白欧泊水晶。

This essay chooses the study aim from biology teachers in middle school in Shi Jiazhuang which tells us that most of the middle school biology teachers in Shi Jiazhuang have the"burnout", lower successfulness, individualize.

本文选取石家庄市初中生物教师作为研究对象，运用问卷调查的方法对石家庄市初中生物教师职业倦怠的现状进行调查，调查结果发现，石家庄市初中生物教师这一群体普遍存在职业倦怠，情感枯竭程度偏高，成就感偏低，去个性化程度最为严重。