Application of laser transformation hardening in surface strengthening of automotive die steel Cr12;
激光相变硬化在Cr12汽车模具材料表面强化中的应用研究
ANSYS-based numerical simulation on laser transformation hardening for plastic mould steel;
基于ANSYS的塑料模具钢激光相变硬化数值模拟
Numerical calculation of three-dimensional temperature field during laser transformation hardening of cylindrical bodies;
圆柱体激光相变硬化三维温度场数值计算
Some laser hardening tests were carried out on AerMet100 ultra-high strength steel,and the microhardness distributions and phase transformation in the hardened layer were tested and analyzed.
对AerMet100超高强度钢进行了激光相变硬化试验,并对淬硬层的显微硬度分布及其物相变化进行了测试与分析。
The laser hardening mechanism of 32SiMnMoVA was also analyzed.
研究了32SiMnMoVA低合金超高强度钢激光相变硬化后淬硬层的显微硬度分布和组织结构,探讨了其激光相变硬化机理。
The laser hardening is carried out for 45# steel using crosscurrent CO2 laser.
并利用该新型抛物面镜及横流CO2激光器,对45#钢进行了激光相变硬化研究,测量了淬火带尺寸和淬硬层深度,并对硬化层形貌及其金相组织进行了观察和分析。
In this paper, the change of nitrogen at different depths in 35CrMo steel through ion nitriding and laser phase transformation hardening treatments was investigated with Xrays Photoelectron Spectroscopy (XPS).
采用ＸＰＳ研究了３５ＣｒＭｏ钢离子氮化加激光相变硬化复合处理后不同层深处氮的变化。
The process of laser phase transformation hardening,through GCr15 steel,was numerically simulated by means of finite element method,the distribution model of temperature field was established,the effect of the thickness of workpiece and the cooling condition of lower surface on the temperature field were analyzed.
以GCr15钢为例,采用有限单元法对激光相变硬化过程进行了数值模拟研究,建立激光相变硬化过程温度场的数学模型,分析了工件厚度及其下表面在自然散热和辅助水冷条件下对激光相变硬化温度场的影响。
By making use of the technique of laser phase transformation hardening, the comprehensive performance of the surface of a material can be improved.
通过激光相变硬化技术可以提高材料表面的综合性能。
Research Progress of the Relation Between the Strength Traininng and Relative Hormone Response;
力量训练与相关激素变化的研究进展
The Change of Cardiac Rhethm during Asphyxial Cardiac Arrest and the Correlation between Resuscitation and Stress Hormone
窒息性心脏骤停心电变化特点及复苏疗效与应激激素变化的关系
The physiological significance of change of sex steroid levels after coitus will obviously require further investigation.
性交后性腺激素变化的意义有待进一步研究。
The content of testosterone in serum was measured.
测定血清中睾酮含量,观察动物的性激素变化。
Changes of Hormone and Cloning of Senescence-related Gene in Short Season Cotton
短季棉衰老的激素变化及衰老相关基因的克隆
Research on Changing of Endogenous Hormones of Aloe vera L.var.Chinensis(Haw.) Berger under Water Stress
水分胁迫下中华芦荟内源激素变化的研究
Changing characteristics of androgen in vivo in male rabbits with heart failure after myocardial infarction
心肌梗死后心力衰竭雄兔体内雄激素变化特征
Changes of Serum Sex Hormones Levels in Male Patients with Liver Cirrhosis
男性肝硬化患者血清性激素水平变化
Content Changes of Endogenous Hormones during Flower Bud Differentiation Stage of Vernicia fordii(Hemsl.)
油桐花芽分化期内源激素含量的变化
Changes in Endogenous Hormone among Tobacco(Nicotiana Tabacum L.) Genotypes with Different Plant Height and Response of the Dwarf Type to the Exogenous Hormones;
烟草株高变异体内源激素含量变化及其对外源激素的响应
The Kinesis Change of CKs, Hormones and HSP70 in Cold Stressed Piglets;
冷应激仔猪血浆CKs、激素及HSP70动态变化的研究
Under military training stress the levels and their metabolism changes of adrenal cortical hormone and insulin of recruits
新兵集训应激条件下激素水平及其代谢的变化
The Significant and Changes of Serum Sex Hormone Levels in Hepatocellular Carcinoma;
原发性肝癌性激素水平的变化及意义
The Female Estradiol Level Change in Recent Years
近年女性雌激素(雌二醇)变化的探讨
The level changes of serum androgen in female patients with acne vulgaris
女性痤疮患者血清雄激素水平的变化
Study on Serum Inhibin and Sexual Hormone Concentrations During Perimenopausal Period;
围绝经期妇女血清抑制素及性激素水平的变化
Bulbing Culture of Test-Tube Seedings in Garlic and Change of Endogenesis Hormones Content;
大蒜试管苗鳞茎化培养及内源激素的变化
Variation of Endogenous Hormone Contents during Secondary Flower Bud Differentiation in Castanea mollissima Bl.
板栗二次花芽分化过程中激素含量变化