It is concluded that PFH is obviously related with umbilical cord around body, macrosomia, abnormal pelvis and placenta low implantation, and this may lead to a higher rate of dystocia and CS consequently.

Pulsating flow hydraulic ( PFH) system which transmit power and signal with the oil reciprocating vibration in the pipeline are common used in the mining, metallurgical, construction, manufacturing, scientific experiments and other industrial equipment.

油液在管道内以往复振动的形式传递功率和信号的交流液压系统常见于矿山、冶金、建筑、制造、科学试验等工业设备中。

Results Compared with NS group, the contents of TC, TG, LDL, were significantly decreased and the content of HDL was increased evidently in PFH groups.

结果黄花倒水莲水提取液能显著降低血液中总胆固醇、甘油三酯、高密度脂蛋白、低密度脂蛋白的含量。

PFH could remarkably inhibit the induction-phase and attack-phase of PC-DTH in mice.

对6-三硝基氯苯诱导小鼠迟发型变态反应的诱导相、攻击相有显著抑制作用。

PFH could significantly dilate the micro-artery and micro-vein, increase the opening number of capillary in mice.

极显著扩张小鼠耳廓微动脉、微静脉，增加毛细血管开放数；

The emergence of PFH make hydraulic technology develop to a new level, and will become an advanced technology promote machinery automation.

交流液压技术的出现使液压技术发展到了一个新的台阶，并将成为促进机械自动化的先进技术之一。

Results: PFH could remarkably decrease the whole blood relative viscosity.

结果：PFH可显著降低右旋糖苷所致急性血瘀大鼠的全血比粘度和还原比粘度；

Speed measured in nautical miles per hour is referred to as knots .

依据测量每小时多少海浬的速度称之为节。

Now, coast guard vessels enforce a fishing ban within the lagoon and within a 12-nautical-mile radius around the atoll.

如今，巡逻船明令禁止在潟湖和环礁半径12海浬范围内捕鱼。

Somali pirates operate up to 800 miles out to sea , loiter for weeks and even attack at night .

索马利亚海盗出没的范围远及离岸800浬，可以续航好几周，甚至摸黑夜袭。

The Detection of PFK Gene Transcripts by Nested RTPCR in Early Embryos of Kunming Mouse

昆明小鼠早期胚胎PFK基因转录产物的检测

By experiments in different groups, the effect of FDP on PFK activity and skeletal muscle mitochondria morphology is observed.

采用分组实验的方法。观察了FDP对PFK活性和骨骼肌线粒体形态的影响。

Our cases of erythrocyte phosphofructokinase ( PFK) deficiency in a family are reported.

报告一家系4例红细胞磷酸果糖激酶（PFK）缺乏病例。

Effect of FDP on PFK Activity and Mitochondria Morphology in Rats After Exhaustive Exercise

FDP对连续力竭性运动后大鼠PFK活性和线粒体形态的影响

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

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 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

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。

To achieve linear relation between service rates and reserved rates of guaranteed services, the P~ 2PFQ scheduling algorithm was presented. Depending on an approximation factor, the phenomenon that the PFQ is ahead of GPS is eliminated.

为控制资源预留业务的实际服务速率，提出了带逼近因子的P2PFQ调度算法，一方面缓解了PFQ系统的数据超前发送现象；

We find free bandwidth is unreasonably used in the PFQ algorithms. So a new scheduling algorithm named FBRS is proposed to resolve this problem.

针对当前研究非常广泛的PFQ算法中空闲带宽使用的不合理现象，提出了一种新的分组调度算法FBRS。

This paper proposes a priory FIFO queue architecture PFQ after studying conventional buffering and queueing techniques.

该文在研究已有的缓冲排队方案基础上，提出一种支持优先级FIFO排队的硬件体系结构PFQ（PriorityFIFOQueue）。