Methods The manufacture method was according to routine PFM.
方法制作按照PFM常规制作方法。
Objective to evaluate the effects of reformatory PFM in clinic.
目的探讨改良式烤瓷冠的临床应用效果。
In this paper, the design of the PFM optic transmitter is developed.
本文研究了PF M光发射机的设计问题。
A pulse frequency modulation (PFM) with discrete frequency is designed.
设计了一种离散频率的PF M控制方式。
The PFM technology includes two kinds modes: constant width PFM and SWFM.
脉冲频率调制又包括了两种方式，即等宽pfm和SWFM。
Methods To reproduce the PFM with surface stain technique and watch results.
方法：对烤瓷冠采用外源性染色技术进行再加工，观察临床效果。
Objective To investigate the various ways of coating applied in the PFM crowns.
目的探讨多色涂布法在金瓷全冠仿生修复中的应用。
Objective to evaluate the clinical results of PFM restoration and prosthodontics.
目的金-瓷修复体的临床效果评价。
The structure of the transmission system in the PFM optic transmitter is designed.
本文的研究工作有以下几个方面：设计PFM光发射机的传输系统结构。
Microprocessor is used to realize the Pulse Frequence Modulation(PFM) control of the inverter.
用单片机对半桥逆变器进行PFM控制。
Objective To evaluate the esthetic effect of anterior PFM (Ni-Cr Alloy) crowns with gingival porcelain.
目的评价颈缘瓷在前牙镍铬合金烤瓷全冠修复中的临床美学效果。
Theoretical analysis and practical test of PFM show that PFM is an effective method of fault diagnosis.
理论和实际考核表明主因子模型是一种有效的故障诊断方法。
Methods87 cases were treated with routine post-and-core PFM crowns after root canal therapy respectively.
方法87例残根残冠经过完善的根管治疗后，用螺纹根管钉、光固化树脂核、金属烤瓷全冠进行修复。
At last, adopting PFM to estimate fatigue crack growth life for welded steel beams under given reliability.
最后，给出了概率断裂力学方法预测焊接钢梁在给定可靠度下疲劳裂纹扩展寿命的算例。
This research gives a theoretical support of application of PFM bridge fixed by telescopic crowns retainers.
本研究为套筒冠烤瓷桥在临床的应用推广奠定了理论基础。
Objective: To observe the clinical result of the method of combined impression used in post and core PFM crowns.
目的：观察琼脂类和藻酸盐类印模材联合印模法在桩核烤瓷冠中的应用效果。
The piezoresponse force microscopy(PFM) is a useful method to study ferroelectric domains of ferroelectric films.
压电响应力显微镜为铁电薄膜电畴的研究提供了一种有效的检测方法。
The piezoresponse force microscopy(PFM) is a useful method to study ferroelectric domains of ferroelectric films.
铁电薄膜是一类重要的功能材料，铁电畴是其物理基础。
Objective To study the effect of heat treatment with sol-gel method on the surface of Ni-Cr alloy for PFM after ti coating.
目的探讨溶胶-凝胶沉积钛法中热处理过程对烤瓷用镍铬合金表面钛涂层的影响。
Objective to investigate the effect of labial periodontal of PFM crown after clinical tooth preparation used by dental magnifier.
目的本研究旨在探讨使用牙科放大镜临床牙体预备后对金瓷冠唇侧牙周状况的影响。
The result shows PFM model has some prediction power, and the prediction rate is obviously lower than those in developed countries.
实证结果表明PF M模型在我国具有一定的预测能力，但预测准确率低于在欧美国家的准确率。
The dendrite growth of pure metal in undercooled melts was simulated by using phase field model(PFM) and finite difference schemes.
采用相场模型和有限差分方法，模拟了过冷纯金属熔体的枝晶生长，计算区域为二维正方形均匀网格。
Conclusion Surface stain technique is an effective method for repairing the color defect of PFM and expressing individual character.
结论：外源性染色技术是弥补烤瓷修复体颜色欠佳及个性特征体现的一种可行方法。
Objective To explore a method for repairing the color defect of porcelain-fused-to-metal crown (PFM) and expressing individual character.
目的：探讨弥补烤瓷修复体颜色表达不足及体现个性特征的手段。
Describes a kind of PWM PFM hybrid control method for voltage fed series resonance inductive heating and provides an experimental circuit.
叙述了一种电压源供电的串联感应加热负载的PWMPF M混合控制方法，并给出了实现的方法和实验电路。
It operates both in current mode at high output load and in pulse frequency modulation (PFM) at light load to reduce the power dissipation.
它在重载下工作于电流控制模式，轻载下工作于脉冲频率调制(PF M)模式来降低功耗。
Objective: The key of the success of porcelain-fused-to-metal restoration(PFM) is to obtain better bond strength between metal and porcelain.
目的：金瓷修复体成功的关键是金属与瓷之间要获得良好的结合强度。
The PFM controller of DC-DC converter has the advantages of high precision, simple architecture, low power consumption and small IC footprint.
该芯片具有实现电路简单、输出电压精度高、功耗低、芯片面积小等优点。
The PFM controller of DC-DC converter has the advantages of high precision, simple architecture, low power consumption and small IC footprint.
该芯片具有实现电路简单、输出电压精度高、功耗低、芯片面积小等优点。
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