hardness ratio是什么意思

用法例句

The distributions of hardness ratios and new classific characteristics of Gamma ray bursts;

γ暴能谱硬度系数的分布及其分类特征

And to analyze factors relevant to these changes, especially the relationship of E (scleral rigidity coefficient) and forward shift of posterior corneal surface after LASIK through measuring IOP (intraocular pressure) and E preoperatively.

目的：本研究通过测量LASIK手术病人术前校正眼压和巩膜硬度系数，观察病人手术前后角膜后表面的变化，探讨LASIK术后角膜后表面前凸与巩膜硬度系数的关系以及角膜后表面前凸的影响因素。

Bi-Modal Distribution of Microhardness in Nanostructured AT13-Based Coatings by Plasma Spraying;

等离子喷涂纳米结构AT13基涂层硬度的双态分布

The Experiment Study on Microhardness Property of the PMMA/MMT Nano Composites Synthesized by Suspension Polymerization;

悬浮聚合法制备聚甲基丙烯酸甲酯/蒙脱土纳米复合材料硬度实验研究

Laser heating compact process of FeCrAlW was carried out,and the phases,microstructure,as well as microhardness profile,in the coating were examined by XRD and SEM.

采用激光辐照对电弧喷涂FeCrAlW涂层的组织进行致密化处理,借助扫描电镜和X衍射对涂层的组织和相结构进行了分析,测试了涂层的显微硬度。

Effect of tempering process on elasticity and hardness of knitting needles;

回火工艺对织针弹性及硬度的影响

Metastable phase transformations in Ti-4.4Al-3.8Mo alloy and its influence on the hardness;

Ti-4．4Al-3．8Mo合金的亚稳相变及其对硬度的影响

Simultaneous determination of SO_4~(2-)and total hardness in water by counting the drops of capillary burette;

毛细滴管计滴法同时测定水中硫酸根和总硬度

Tissue Structure Observation and Cell Wall Substrates Content Determination in Different Fruit Firmness of Pepper(Capsicum Annuum L.) Lines;

不同硬度辣椒品系果实组织结构观察与细胞壁物质含量测定

The Contents of the Microelements in Leaves of Apple and Correlativity with Firmness of Fruit in West-He′nan Area;

豫西地区苹果叶片微量元素含量及其与果实硬度的相关性

Mensuration and Changes on Firmness of Tomato Fruits during the Post-harvest Storage;

番茄果实采收后的硬度测定及其变化规律