hcf

Research on HCF keeping fresh agents and applications to peach

HCF保鲜剂的研制及其在桃保鲜中的应用研究

Model HCF Magnetic Powder of High Magnetism

HCF型高磁性磁粉

Results show that a small amount of Mg and Zr can improve neither HCF properties nor fatigue notch sensitivity .

结果表明，微量元素Mg、Zr对提高疲劳性能不显著，也不能改善疲劳缺口敏感性。

TEM analysis exhibits that the predominant dislocation configuration of HCF specimens is parallel dislocation walls .

疲劳变形亚结构的TEM分析表明：纯锆典型的位错组态是平行位错墙。

The effects of loading frequency on HCF and FCG in salt water for this precipitation-hardening stainless steel are different .

在频率效应方面，负荷频率的改变对于高周疲劳性质及疲劳裂缝成长速率有不同的影响。

Extract 21-dimensional statistical characteristics of histogram characteristic function ( HCF ) field , training classifier with the support vector machine ( SVM ) .

提取直方图特征函数（HCF）域21维统计矩特征组成特征向量，用支持向量机（SVM）训练分类器。

Based on the introduction of information management status in HCF , chapter 2 mainly analyzes HCF 's purchase process and further summarizes and puts forward the purchase process model for tobacco enterprises .

第二章在介绍杭州卷烟厂信息化现状的基础上，分析了其采购业务流程，在此基础上，总结并提出了面向烟草行业的采购业务过程模型。

This new method of combining LCF with HCF allows to avoid long fatigue life with small strain test under strain controlled , thus test expenses may be saved and test time shortened .

联合处理方法的应用将不再需要进行应变控制的长寿命小应变的疲劳试验，节约了试验经费，缩短了试验周期。

The total protein amount in HCF was increased , while Ca2 + ions in HCF were reduced obviously in the treated groups of rats , especially in high dose groups .

囊液总蛋白含量明显降低而钙离子含量明显增高，且以高剂量组更为显著。

The propagating region of the fatigue crack for the as annealed composite was regular and wide , which contributed to its improved HCF strength and prolonged its fatigue crack propagation life .

退火后的复合材料疲劳裂纹扩展区规则且较宽广，从而也使复合材料具有较高的疲劳强度，疲劳裂纹扩展寿命延长。

Finally , it has been found that HCF is a sensitive indicator of the quality of blasting , and that the same factor increases in an evident manner as the rock mass quality improved .

同时还发现，HCF是一个敏感的爆破质量指标，随着岩体质量的提高，该指标显著增大。

The Profibus-DP bus technology is adopted to carry the improved design of the control connection mode between HCF 80 tray filling machine and the external electrical components in the cigarette storing and transferring system .

采用Profibus-DP总线技术对烟支存储输送系统中HCF80装盘机外围电器元器件的控制连接方式进行改进设计。

Filter cake remover HCF was developed to protect oil / gas reservoir and avoid screen pipe plugging caused by oil based filter cake , which often occurs in open hole completion of horizontal well .

针对裸眼+筛管完井的水平井，为有效解除油基钻井液滤饼对储层和筛管的堵塞，开发出乳液型滤饼解除液。

After defining the parameters describing the quality of blasts in tunnel driving-the efficiency , the over-break and the HCF factor , the paper examines the influence of the quality of rock mass on said parameters .

定义了描述隧道掘进中爆破质量的参数&炮孔利用率（η）、超挖（OB）和半孔率（HCF），考查了岩体质量对这些参数的影响。

It introduces a new coordination function , called Hybrid Coordination Function ( HCF ) . HCF contains two access mechanisms : the Enhanced Distributed Channel Access ( EDCA ) and Hybrid Coordination Function Controlled Channel Access ( HCCA ) .

在这个新的协议中，它引入了混合协调功能（HCF），根据竞争介质的方式不同，混合协调功能包含了增强的分布式协调控制接入机制（EDCA）和混合协调点控制接入机制（HCCA）。

In the first step , the watershed algorithm is applied on 3-D Lab color histogram . The Highest Confidence First ( HCF ) algorithm for Markov random fields is taken as the second step to refine the raw result to get continuous regions with relatively low computational load .

在预分割过程中，采用基于Lab三维颜色直方图的分水岭算法对颜色空间进行聚类，然后利用基于最高置信度优先算法的马尔可夫随机场模型得到最终的结果，从而避免过高的计算复杂度。