Finite element analysis on soldered joint reliability of QFN device

Influence of EMC Material Property Parameters on Thermal Stress of QFN

EMC材料特性参数对QFN器件热应力的影响

Reliability sensitivity analysis of the QFN device based on Monte Carlo method

基于蒙特卡罗法的QFN器件可靠性灵敏度分析

Thermal Reliability Analysis for QFN based on Factorial Experimental Design

基于析因实验设计的QFN热可靠性分析

Research effect of different ROL on pulling strength of QFP solder joint mainly in order to get the proper range of ROL.

主要研究了不同氧含量对QFP引脚焊点拉伸强度的影响，得到一个最佳的氧含量范围。

Mechanical properties and microstructures of QFP micro-joints soldered with diode-laser soldering system

QFP器件半导体激光钎焊焊点力学性能和显微组织

The 3D shape prediction models and the 3D finite element analysis models of all the 25 QFP solder joints were developed.

建立了这25种焊点的三维形态预测模型和三维有限元分析模型；

Effect of diode-laser parameters on tensile strength of QFP micro-joints

半导体激光钎焊工艺参数对QFP器件微焊点强度的影响

Effect of temperature cycling stress profile on the thermal fatigue life of solder joints of QFP

温度循环应力剖面对QFP焊点热疲劳寿命的影响

Shape prediction and reliability analysis of QFP solder joint

QFP焊点形态预测及可靠性分析

Conclusion: QLG has protective effect on immunologic liver injury induced by BCG plus LPS, which might be related with anti-lipid peroxidation.

结论：QL对BCG加LPS致小鼠免疫性肝损伤有保护作用。其护肝作用与抗脂质过氧化等因素有关。

Application of QFT in Longitudinal Automatic Landing Control System Design

QFT在飞机纵向着陆控制中的应用

Design and Analysis of QFT Controller Based on Matlab Language

基于Matlab语言定量反馈控制器的分析与设计

Application of QFT in Design of Underwater Vehicle Control System

QFT在水下潜器控制系统设计中的应用

Study on QFT Design Method and Application Applying Sampled-data Control Theory

基于采样控制系统直接设计理论的QFT设计方法及应用研究

Design and analysis of stabilized aiming control system based on QFT

基于QFT的光电稳定控制系统设计与分析

The principle and design process of QFT were presented.

分析和总结了定量反馈理论的基本原理和设计过程。

The aircraft's longitudinal motion short period poles and long period zeros in right plane may make the aircraft control system be not got by only using QFT.

飞机纵向运动方程的短周期和长周期的右半平面可能存在零极点对问题，这对飞机控制造成不利影响，直接利用定量反馈理论不能满足要求。

Methods QOL of 260 patients with CHB and 260 healthy controls were evaluated by Mos SF 36, and QLI scores, single and multiple stepwise regression analysis were made to assess the factors affecting QLI.

方法采用SF36量表，对260例慢性乙型肝炎患者和260例正常对照进行QOL测量与评价，并对QOL的影响因素进行单因素分析和多因素逐步回归分析。

Result ( 1) The Chinese version of the QLI with 3-point scale ( QLI 3) had relatively adequate reliability, validity, sensitivity and feasibility when used in the Chinese cancer patients;

结果：初表表明（1）QLI量表中文版（3点量表，QLI3）具有良好的信度、效度、灵敏度及适用性，可以应用于中国癌症人群；

All the patients were measured by self rating depression scale ( SDS), self rating anxiety scale ( SAS), and quality of life questionnaire core 30 ( QLQ C30), which were as measuring standards before and after home visiting.

并应用焦虑自评量表（SAS）、抑郁自评量表（SDS）及恶性肿瘤患者生活质量问卷（QLQ C30），作为家庭访视前后的测评标准。