histogenetics

The effect of the temperature on the size of austenite grain and the rule of structure inheritance of 10Ni5CrMoV steel was investigated.

结果表明 :奥氏体化晶粒急剧粗化的临界温度为 12 0 0℃ ;奥氏体自发再结晶的最低温度为 85 0℃ ;90 0℃以下奥氏体自发再结晶以形成针状奥氏体和球状奥氏体两种方式进行 ;二次加热时 ,加热温度低于 90 0℃时都有组织遗传发生。

The tendency of structure inheritance of 945 steel was investigated with heat-treatment process in this paper.

通过热处理实验 ,探讨了 94 5钢组织遗传倾向 ,试验结果表明 ,94 5钢晶粒长大倾向较小 ,为本质细晶粒钢。

For 26Cr2Ni4MoV the mechanism of removing structure inheritance by austenite recrystallization and the effect of heating have been studied.

以大型发电机及汽轮机转子用钢（２６Ｃｒ２Ｎｉ４ＭｏＶ钢）为对象，研究了奥氏体再结晶及其消除组织遗传的原因，以及不同加热制度对奥氏体再结晶消除组织遗传的影响规律。

Eliminating structure heredity of 85Cr2Mn2Mo steel by normalizing at high temperature;

高温正火消除85Cr2Mn2Mo钢组织遗传的研究

Effects of Structure Heredity on Grain Refinement in ZAlSi7Mg1 alloy

利用组织遗传性细化ZAlSi7Mg1合金晶粒

The results show that microstructure of laser cladding layer is more fine than that of plasma transferred arc layer,and metallurgical bonding is obtained and structure heredity is observed between the two layers.

结果表明,在等离子喷焊层基体上生长起来的激光熔覆层的组织更加细小,两层之间呈冶金结合,具有明显的组织遗传性。

Elimination process of structural inheritance in Nb-microalloyed steel with CFB/M multiphase structure

Nb微合金化CFB/M复相钢组织遗传的消除工艺

The studies show that mixed grain is caused by structural inheritance.

研究表明 ,混晶是组织遗传造成的 ,调质处理前进行退火处理 ,可获得较为平衡的组织状态 ,从而抑制组织遗传 ,消除混晶和粗晶组织。

This was due to the structural inheritance occurred in laser speediness heating processing.

4Cr13钢淬火态试样激光淬火后晶粒尺寸保持常规淬火水平 ,是快速加热组织遗传造成的结果。

In this paper,the rule of structural heredity in Nb-microalloyed CFB/M steel was investigated by experiments.

为细化Nb微合金化CFB/M复相钢的原奥氏体晶粒,对其组织遗传规律进行了实验研究,发现对Nb微合金化CFB/M复相钢进行等温退火与完全退火处理均能有效切断组织遗传,另外,研究发现Nb微合金化CFB/M复相钢在相当宽的加热速率范围内存在组织遗传现象,当加热速度提高到40℃/s以上时不再出现,晶粒开始细化。

The result shows diffusion transformation can occur and can erase the orientation relationship of martensitic structure after isothermal treatment and annealing so as to effectively cut off the structural heredity for Nb-microalloyed CFB/M complex phase steel.

对Nb微合金化CFB/M复相钢的组织遗传规律进行了试验研究。

The Study of Microstructure Heredity of ZAlSi7MgY Alloy;

ZAlSi7MgY合金组织遗传性研究

Effects of Structure Heredity on Grain Refinement in ZAlSi7Mg1 alloy

利用组织遗传性细化ZAlSi7Mg1合金晶粒

Study on Genetic Alteration in Tumor Tissue with RAPD Method;

应用RAPD技术对肿瘤组织遗传改变的研究

Genetic and Epigenetic Variation Induced by Tissue Culture in Rice;

水稻遗传和表观遗传组织培养诱发变异

The Heredity of Structure and Performance to Casting Magnesium Alloys;

铸造镁合金组织和性能的遗传性研究

The Preliminary Studies of Tissue Culture and Genetic Transformation on P.lactiflora Pall;

芍药组织培养及遗传转化的初步研究

Studies on Tissue Culture and Genetic Transformation of Soybean and Stem Mustard;

大豆、榨菜的组织培养及遗传转化研究

Progress in Tissue Culture and Genetic Transformation of Setariai talica

谷子的组织培养和遗传转化研究进展

The genetic constitution of an organism or a group of organisms.

遗传型一个有机体或一组有机体的基因组织

Molecular Genetic Analysis of Tissue Culture Response of Wheat and Studies on Agrobacterium-Mediated Wheat Genetic Transformation;

小麦组织培养特性的分子遗传分析及遗传转化体系研究

Genetic Variation of Citrus Calli Revealed by the Ploidy Analyser

采用倍性分析仪鉴定柑橘愈伤组织的遗传变异

Genetic Analysis and Clone of Plant Regeneration Correlative Genes from Embryonic Callus in Maize (Zea Mays L.);

玉米愈伤组织分化的遗传分析及相关基因克隆

The Effect of RE Elements on Inheritance to Microstructure and Property of Die Casting Mg Alloy;

稀土对压铸镁合金组织、性能遗传性的影响

Tissue Culture and Establishing Agrobacterium-mediated Transformation System in Cymbidium Goeringii Rchb.f.;

春兰的组织培养与遗传转化的初步研究

Establishment of Flax Efficient Tissue Culture and Genetic Transformation System;

亚麻高效组织培养及遗传转化体系的建立

Study on the Tissue Culture and Genetic Transformation with Hypocotyl of Sunflower;

向日葵下胚轴组织培养及其遗传转化的研究

Tissue Culture and Genetic Transformation on Several Burfgrasses;

几种草坪草的组织培养及遗传转化体系的建立

Studies on the Tissue Culture and Genetic Transformation of Sugarcane;

甘蔗组织培养及其遗传转化体系建立的研究