pfn

Also , optimized parameters of PFN will increase the efficiency .

优化的PFN模块参数设计能够提高系统的效率。

Design of IGBT Driver in High Voltage PFN Charging Power Supply

PFN充电高压电源的IGBT驱动电路设计

Theoretical and experimental study of PFN based on capacitor-loaded plate transmission line

电容加载平板传输线型PFN理论与实验研究

Design and preliminary test of a 40 kJ pulse power source and multiple PFN

40kJ脉冲功率源及多级PFN电路的设计与初步试验

Then , The value of the whole PFN was calculated by MATLAB simulation .

之后我们通过MATLAB模拟的计算确定了整个PFN网络的电容以及电感的值。

Research on TEA CO_2 Laser using PCB Preionization and PFN Discharge

印刷电路板预电离TEACO2激光器及脉冲形成网络放电研究

Conclusion Careful surgical technique and modification of the PFN can reduce high complication rate .

结论仔细的外科技术和选择合适的PFN可以减少并发症发生的比率。

The problems by 3 stage PFN electric power in railgun

三级PFN作为轨道炮电源带来的问题

The comparison of the different output features on the match loads with different PFN structures is made .

对比了采用不同结构的脉冲形成网络时其在匹配阻抗上放电输出时的不同特征。

Treatment of femoral intertrochanteric fracture combined middle femoral fractures by long PFN internal fixation

加长型股骨近端髓内钉内固定治疗股骨转子间合并股骨干中段骨折

Plasma fibronectin ( PFn ) was measured in 57 patients with renal disease .

测定了57例肾脏病患者血浆纤维结合蛋白（PFn）含量。

Objective To study the correlation between plasma fibronectin ( PFn ) and Trophoblastic disease .

目的探讨血浆纤维结合蛋白（PFn）与良恶性滋养细胞疾病的相关性。

Conclusions : PFN has obvious therapeutic effects for comminuted intertrochanteric femoral fracture .

结论：PFN治疗股骨粗隆间骨折，疗效满意。

Treatment of subtrochanteric fracture with long PFN or gamma nail

加长型PFN或Gamma钉治疗股骨转子下骨折

PFN concentration decreased about 30 % after freezing .

经过冻融的PFN浓度下降约30%；

The connecting method of metalic cover of PFN capacitor for the line type pulse modulator

线型脉冲调制器人工线电容器金属外壳联接方法

To cut head and neck : 1 cases in PFN group , 3 cases in DHS group .

股骨头颈切割：PFN组1例，DHS组3例。

Therapeutic effect of femoral intertrochanteric fracture with DHS and PFN

应用DHS、PFN内固定治疗股骨粗隆间骨折

Improved PFN in the Treatment of Femoral Peritrochanteric Fractures ( Report of 34 Cases )

改良PFN治疗股骨转子周围骨折（附34例报告）

Conclusions PFN is one of the useful devices in the treatment of peritrochanteric femoral fractures .

结论PFN具有内固定牢固、应力分散、防旋转功能强、手术操作简单等优点，是治疗股骨转子周围骨折的理想方法之一。

Objective To summarize the experience on treatment of intertrochanteric combined middle femoral fractures by long PFN internal fixation .

目的总结加长型股骨近端髓内钉（PFN）内固定治疗股骨转子间骨折合并股骨干中段骨折的经验。

Precision PFN Voltage Regulator for Radar Modulator

雷达调制器的人工线电压精密调节器

A Biomechanical Study of PFN and DCS in Treatment of Subtrochanteric Fractures of Femur

PFN与DCS治疗股骨转子下骨折的生物力学研究

Objective Discuss the clinical effect of treatment of intertrochanteric femoral fracture combined with middle femoral shaft fracture by long PFN .

目的探讨加长型股骨近端髓内钉治疗股骨转子间合并同侧股骨中段骨折的临床效果。

Biomechanical and Clinical Evaluation of PFN and DHS for Intertrochanteric Fractures of the Femur

PFN和DHS治疗股骨转子间骨折的生物力学研究及临床疗效观察

The times with fracture heal up was 3.1 months in PFN group , 3.3 months in DHS respectively .

骨折愈合时间：PFN组3.1个月，DHS组3.3个月。

DCS or PFN internal fixation is suitable for 31-A3 ;

对31-A3型选择DCS或PFN内固定；

Objective To investigate the effect of proximal femoral nail ( PFN ) in the treatment of proximal femoral fractures .

目的介绍和评价动力髁螺钉治疗股骨近端及远端骨折的手术方法。

Objective To analyz the clinical result of the treatment of femoral trochanter fracture with PFN nail .

目的评价PFN钉治疗股骨粗隆骨折的临床疗效。

Comparison of hemiarthroplasty and PFN fixation for the treatment of unstable intertrochanteric hip fractures in senile patients

半髋关节置换与PFN内固定治疗高龄不稳定型股骨粗隆间骨折的疗效比较