负荷

］ Purpose To investigate left ventricular systolic and diastolic reserved function of normal aged and aged subjects with coronary heart disease under submaximal stress conditions.

摘 要］目的利用多普勒超声心动图运动负荷试验检测正常老年和老年冠心病患者在次极量运动负荷下收缩和舒张功能的储备能力。

The result shows, the optimized design hold shorter investment recoveryperiod, larger NPV value and higher energy utility than the design that is planed onlyby experience, under sufficing the same cooling, heating and power load, this method is all-purpose for design of system for combined heat, cooling and power based ongas turbine.

结果表明：在满足相同冷热电负荷的情况下，优化模拟后得到的设计方案较单纯以经验确定负荷的设计方案有更高的NPV值，更短的投资回收期，且前者较后者有更好的能源利用率，优化模拟对基于燃气轮机的三联供系统设计有很好的普适性。

The result shows, the optimized design hold shorter investment recoveryperiod, larger NPV value and higher energy utility than the design that is planed onlyby experience, under sufficing the same cooling, heating and power load, this methodis all-purpose for design of system for combined heat, cooling and power based ongas turbine.

结果表明：在满足相同冷热电负荷的情况下，优化模拟后得到的设计方案较单纯以经验确定负荷的设计方案有更高的NPV值，更短的投资回收期，且前者较后者有更好的能源利用率，优化模拟对基于燃气轮机的三联供系统设计有很好的普适性。

The invention ensures that the SVC can not only complete the unbalanced load equalization compensation but also control the stabilization, thereby raising the precision of the susceptance computation of the SVC, guaranteeing the balance compensation of the charge, improving the performance in the stabilization control of the SVC voltage and maintaining the voltage stabilization of a common connection joint.

本发明能让其中SVC既能进行不平衡负荷平衡化补偿，又能对稳定控制，提高了静止无功补偿器电纳计算的精度，确保负荷的平衡补偿，改善了SVC电压稳定控制时的性能，维持公共连接点的电压稳定，具有较高的鲁棒性和响应速度。

The method is based on a variable structure to control the SVC, wherein, the variable structure control method comprises two aspects of the unbalanced load equalization compensation and the parameter control of a PI controller, wherein, the unbalanced load equalization compensation adopts the SVC compensation susceptance computational method which is based on the synchronous rotation reference coordinate transformation of a virtual symmetrical three-phase system; meanwhile, in the stabilization control of the system voltage, the ant colony algorithm optimization method is adopted to real time adjust and to optimize the parameter kp and ki of the PI controller.

本发明公开了一种静止无功补偿器的不平衡补偿和蚁群优化方法，基于变结构对静止无功补偿器SVC进行控制，其中变结构控制方法包括不平衡负荷平衡化补偿和PI控制器的参数控制两个方面，其中不平衡负荷平衡化补偿采用基于虚拟对称三相系统的同步旋转参考坐标变换的SVC补偿电纳计算方法；同时在系统电压稳定控制时，采用蚁群算法优化方法，对PI控制器的参数kp、ki进行实时调整、寻优。

The main achievement is tabling a proposal to the athletic load evaluation system from the point of view of compute evaluation, combining with my own understanding with the theory of sports load and sports training control.

主要研究成果在于，从计算机综合评价的角度，结合本人对运动负荷和运动训练控制理论概念的理解，对运动负荷的评价体系及评价指标提出了改进意见。

Methods:tet and teap were done for 186 coronary heart disease group patients and 178 contrastgroup patients.

我院对临床诊断冠心病组186例及临床健康对照组178例进行食管调搏负荷试验，并同期进行运动平板负荷试验作对照。

Methods:TET and TEAP were done for 186 coronary heart disease group patients and 178 contrastgroup patients. Results:The region of coronary artery disease was investigated.

我院对临床诊断冠心病组186例及临床健康对照组178例进行食管调搏负荷试验，并同期进行运动平板负荷试验作对照。

Stress echocardiography is a transthoracic echocardiogram combined with either an exercise or chemical stress test.

负荷超声波心动图是经胸超声波心动图和锻炼负荷测试的综合。

Undernatural ventilation and closed landfilling conditions, the removal efficiency of total dissolved organics is respectively 92% and 87% when hydraulic load is 40 L/(m3·d), and thatof total dissolved refractory organics is respectively 34% and 21% when the hydraulic load is 50 L/(m3·d).

当水力负荷为40 L/(m3·d)时，在自然通风和封闭填埋条件下总溶解性有机物的去除率分别为92%和87%；当水力负荷为50 L/(m3·d)时，总溶解性难降解有机物的去除率分别为34%和21%。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。