dfr

A DFR Data Based Expert System for Traction Substation Fault Analysis

基于故障录波数据的牵引变电所故障分析专家系统研究

Study on DFR method under corrosive environment for fatigue analysis

腐蚀环境下疲劳分析的DFR方法研究

The test research on applicability of the DFR method in corrosion fatigue analysis

DFR法在腐蚀疲劳分析中的可行性试验研究

A Method for Judge of Value the Best DFR Based on Cost-Benefit Analysis

一种基于费效分析的DFR最佳设计价值评价方法

Analysis of above theory can direct design and implement of salary reform of DFR .

通过上述理论的分析，用于指导散热器厂的薪酬改革方案的设计及实施。

Application of Calculating Program for Improved DFR Approach in Durability Analysis of Aircraft Structures

改进的DFR法计算程序在飞机结构耐久性分析中的应用

Research on the relationships between DFR and other fatigue parameters under constant stress ratios

应力比R为常数时细节疲劳额定值（DFR）与其它疲劳参数之间关系研究

A determination method of dfr τ for fasteners under shear loading

受剪紧固件DFRτ的确定方法

Detail Fatigue Rating ( DFR ) method plays an important role in modern civil aircraft design .

现代民机设计中细节疲劳额定强度DFR方法占据重要地位。

This paper proposes a dynamical fast IP routing lookup algorithm ( DFR ) .

给出了动态快速路由查找算法（DFR）的原理和实现。

Plant Expression Vectors Construction of dfr Gene from Dendrobium

石斛兰dfr基因植物表达载体的构建

Up and down method for DFR testing

试验测定DFR的升降法方法

Objective Discuss the applicable value of combine DFR and CR in IVU .

目的探讨DFR与CR联合运用在静脉尿路造影中的应用价值。

Sequence analysis shows that these three genes share higher homology with DFR genes in other plant species .

该三个基因有非常高的同源性，而且它们所编码的蛋白序列与其它植物中已经报道过的DFR基因的蛋白序列也有较高的同源性。

The longer time of light irradiation strongly enhanced the gene expression of CHS and DFR .

光照明显诱导CHS、DFR基因表达，光照时间越长，基因表达水平也越高。

DFR is a key technique of DFX , which many manufacturers especially pay attention to .

DFR技术是DFX中的一项关键技术，也是许多制造商尤为关注的技术。

But dfr gene wasn 't obtained from the peel of pear by RACE method .

但用同样方法却未能从果皮中分离出dfr基因。

The Research Advances on dfr Gene of Anthocyanin Biosynthesis

花青素生成相关基因dfr研究进展

PAL effect is greater than the DFR potato anthocyanin biosynthetic process .

马铃薯花色苷生物合成过程中PAL影响作用大于DFR。

EQUIVALENT NOMINAL STRESS AND DETERMINATION OF STRUCTURAL DFR UNDER VARIABLE AMPLITUDE Compared the actuality of the structure of th

当量名义应力和变幅载荷下结构DFR的确定

According to the target of DFR and the concept of RE , the DFR method based on RE is put forward .

根据产品回收设计的目标和回收元的概念，提出了基于回收元的产品回收设计方法。

Changes of CHS and DFR gene expression were similar to that of anthocyanin accumulation during inflorescence development .

rf花瓣的CHS、DFR基因表达的变化与花色素苷积累的变化趋势一致。

With the excess consumption of resources and the deterioration of the environment , DFR is paid more and more attention .

在资源短缺严重和生态环境日益恶化的今天，回收设计正越来越受到人们的重视。

Materials and Methods analyse the effect of integrate preponderance of DFR and CR with 1007 patients in IVU .

资料与方法综合DFR与CR的优点对1007例静脉尿路造影效果分析。

A formula in terms of DFR value to describe the relationship between the fatigue properties of aircraft structure and the corrosion time was presented .

提出了一种用DFR值描述飞机结构的疲劳性能随腐蚀时间变化的关系式。

Design for recyclability ( DFR ) is an efficiency way to improve the recyclability and the environmental performance of products .

回收设计是提高产品的可回收性，进而提高产品的环境属性的有效途径。

The results are shown that the smaller coal granule size is , the larger DFR of organic sulfur in coal is .

研究发现，煤的粒径越小有机硫脱除效果越显著，不同的脱灰条件对脱硫效果也有影响。

DFR commissioned Copenhagen based BIG in the spring of2010 to introduce a new residential typology to Manhattan .

DFR委任哥本哈根的BIG设计事务所于2010年春季在曼哈顿内引入新的建筑类型。

PAL and DFR is the key enzyme of the potato anthocyanin biosynthesis . 7 .

PAL和DFR是马铃薯花色苷生物合成的关键酶。

Cloning and Sequencing Full-length cDNA of DFR Gene in Hyacinthus

风信子DFR基因全长cDNA的克隆及序列分析