Measurement for carburizing layer ′ s depth of quenching and tempering component by metallography

1、

The influences of the factors ( casting size, pouring temperature, preheating temperature, graphite sand depth) on the effect of carburizing case depth, carbon concentration gradient have been studied.

研究了铸件尺寸、浇注温度、铸型预热温度、石墨砂层厚度等因素对渗层深度、碳浓度分布等的影响；

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2、

Simulation Study on Fluidized Bed Carburizing Layer Depth Mathematic Model

流态化渗碳层深度数学模型仿真研究

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3、

Online detecting for carburizing depth of iron and steel parts based on Online LS-SVM

基于Online LS-SVM的钢铁件渗碳层深度在线检测

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4、

Systematic experiments have been made to study the effective factors to carbon transfer coefficient including carburizing temperature, atmosphere carbon potential, Al 2O 3 particle diameter and surfacial fluidizing velocity based on the carburizing gas resource of butane and air in a fluidized bed furnace.

以丁烷加空气为流态化渗碳气源，系统试验研究了流态化渗碳温度、气氛碳势、刚玉粒径及表观流态化速度等对碳传递系数的影响。

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5、

The article describes the composition and application of a box type gas carburizing heat treatment line with controllable atmosphere.

本文介绍了控制气氛箱式气体渗碳热处理生产线的组成及其应用情况。

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6、

The application of the box type gas carburizing heat treatment line with controllable atmosphere

控制气氛箱式气体渗碳热处理生产线的应用

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7、

The Application of New Technology to Seal up Box Type Carburizing Furnace Main Construction

新技术在密封箱式渗碳炉主要构件中的应用

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8、

The internal pyrolytic reactions, temperature distribution, the changes of carburization zone and material properties are coupling calculated when the ablation occurs.

耦合计算了材料发生烧蚀时内部热解反应，温度场分布，碳层及物性参数的变化。

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9、

Design and synthesis of tris ( 1-thiogalactopyranoside) having a methyl-protected carboxy group at the aglycon terminals

端基含甲基保护羧基的三半乳糖苷的设计和合成

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10、

The in vitro bioactive assay showed that 3-carboxy group is not a necessary group for antibacterial activity and antitumor activity of quinolones.

体外活性评价结果表明，C-3位羧基并非是喹诺酮基本结构中产生抗菌、抗肿瘤作用所必需的基团。

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11、

An emulsion of multi-component copolymer containing hydroxy group, carboxy group, and acrylate, is used for preparing the title adhesive.

本研究采用带有羟基、羧基、丙烯酸酯的多元共聚乳液体系为粘合剂；

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12、

The application of monohydroxy or carboxy group compound to fluoro rubber were analyzed.

对一羟基或羧基化合物在氟橡胶胶料中的应用进行了研究。

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13、

Determining terminal carboxy group in PET by three-electrode potential titration

三电极电位法测定聚酯中端羧基含量

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14、

The active center carboxy group-COOH in the humidity-sensitive film is mentioned and the change of the active center-cooh in imide reaction is expounded.

提出感湿膜中存在有活性中心羧基-COOH及活性中心-COOH在酰亚胺化过程中的变化。

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15、

Analyses of Amido Group and Carboxy Group Ratio on Copolymer Size Mixture Property

酰胺基和羧基配比对共聚浆料性能影响的分析

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16、

Epoxy resin modified with random carboxy nitrile rubber

无规羧基丁腈橡胶改性环氧树脂

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17、

The test result shows that the greater the carborundum grain size, the more the carborundum content, the faster the tools wearing and tearing;

试验结果表明：碳化硅颗粒尺寸越大、碳化硅含量越多，对刀具的磨损速度越快；

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18、

The residual ratios of root materials of different crops measur-ed by carborundum tube method were 30%, 26%, 33% and 41% for corn, sorghum, soy bean and millet respectively.

用砂滤管测定根茬腐解残留率玉米、高粱、大豆及谷子分别为30%、26%、33%和41%。

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19、

On sand the application of carborundum tube for the determination of decomposition rate of plant residues under field conditions

田间测定植物残体分解速率的砂滤管法

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20、

The thermoanalysis results combined with carborundum brick performance tests will do much help to determine boiler starting mode, heating rate and temperature reduction conditions in order to guarantee the safety of fireproof brick wall and even the boiler.

上述结合碳化硅砖性能测定的工程热分析结果对实际确定增压锅炉启动方式、升温速率和降温模式，以保证耐火砖墙乃至锅炉的安全有重要参考价值。

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