ppf
英
美
网络 双脉冲反应; 生产可能性边界; 气动膏体灌装机; 无源电力滤波器; 聚丙烯熔喷滤芯
双语例句
- PPF can suppress switch's drop-out peak-voltage and magnetic biasing by adding a clamping capacitor on primary side of the traditional push-pull converter's transformer.
通过在传统推挽电路的变压器原边增加箝位电容，抑制了开关管电压尖峰和电路的偏磁。 - This paper presented an experimental study on a positive position feedback ( PPF) control of a cantilevered flexible beam using PZT patches.
利用压电陶瓷传感器得到的反馈信号，通过正位反馈算法计算出控制信号。 - Application of the Method Combining PPF and PD in Active Vibration Control
主动振动控制中PPF+PD的应用 - The effect of PPF and DIF on plantlet growth of potato in vitro under photoautotrophic condition was investigated.
试验研究了光通量和昼夜温差对自养培养马铃薯试管苗生长的影响。 - The methods of harmonic suppression were introduced, such as adopting passive power filter ( PPF), active power filter ( APF), hybrid filter and harmonic protective device ( HPD).
介绍了谐波治理的方法，即采用无源滤波器、有源滤波器、混合型滤波器及谐波保护器，举例说明了谐波保护器的应用。 - Synthesis and Application of PPF
PPF的合成及应用 - This paper compares the different characters between PPF concrete and ordinary concrete in the application of canal seepage prevention, and puts forward the feature of PPF concrete, applying condition, and heedful problems during construction.
文章通过对PP纤维混凝土与普通混凝土在渠道防渗中的比较，提出PP纤雏混凝土的应用特点、应用环境和在施工中应注意的一些问题。 - No significant difference was detected for effects on PR, QRS and QTc between ( R/ S) propafenone and the enantiomers.
（R／S）－，（S）－和（R）－PPF对PR，QRS和QTc间期的影响两对映体间及与消旋体间差异均无显著性。 - Objective To synthesis injectable degradable biomaterial poly ( propylene fumarate), PPF and detect its crosslinking temperature, time, biomechanics and in vitro degradation properties.
目的合成新型可注射性生物降解材料聚丙烯延胡索酸酯[poly（propylenefumarate），PPF]，检测其交联温度、交联时间、生物力学性能和体外降解过程。 - Objective: to discuss the CT characteristics of the pathological changes involved the pterygopalatine fossa ( PPF).
目的：探讨翼腭窝区病变的CT表现特点。 - Soak PPF polymer to PBS, test the change of mass and biomechanics.
将PPF交联后浸泡于PBS。检测体外降解时质量和力学强度的变化。 - Conclusion Exogenous NGF and PPF caused an increase of M-acetylcholine receptor in brain of aged rats.
结论外源性NGF和PPF可使老年大鼠脑组织中M受体的数量增多，进而改善中枢胆碱能系统的功能。 - Besides of basic resonance condition, each adaptable function is given of investment, the capacity of reactive power compensation and the harmonic distortion of PPF.
在考虑滤波器基本谐振条件之外，还结合滤波器的成本、无功补偿和滤波效果的实际分别提出了各自的适应度函数。 - Therefore, Passive power filter ( PPF) is most widely used as harmonic-eliminating device in power system, because of simple configuration, low investment, high reliability, and low operation cost.
无源电力滤波器因其结构简单、设备投资少、运行可靠性高、运行费用低，成为电力系统中最普遍的谐波抑制设备。 - On the basis of installed PPF, connecting active power filter to PPF by small inductor, a hybrid active power filter was designed.
在已安装无源滤波器的基础上，将有源滤波器通过小电感与无源滤波器相连，设计了混合有源滤波器。 - RESULTS The separation of the PPF enantiomers and I. S. was proved to be highly satisfactory.
结果：实验表明，R－PPF与S－PPF的分离度好。 - Study on Surface Structure of Polypropylene Fibres ( PPF) Exposed to Plasma by XPS
等离子体改性聚丙烯纤维表面的XPS研究 - AIM: To investigate the stereoselective metabolism of propafenone ( PPF) by human liver CYP3A4.
目的：研究普罗帕酮（PPF）经人肝CYP3A4代谢的立体选择性。 - Objective To contrast the curative effects of chrono-targeting chemotherapy and routine-targeting chemotherapy.
目的对比观察PPF方案的适时导向化疗与常规导向化疗的疗效及毒副作用。 - Every faithful ideal of PPF ring is a progenerator.
PPF环的每个忠实理想是一个progenerator； - PPF control is named as Prediction Position Feedback control.
PPF控制的全称是预测位置反馈。 - A complete process of iron and phosphate releasing from the PPF is observed using electron spectra technique.
选用电子光谱技术研究PPF释放铁和磷酸盐全过程，发现PPF以两种不同速率途径释放铁与磷酸盐。 - Based on a bandwidth insulation method, a positive position feedback ( PPF) active vibration controller for the flexible structure is designed.
利用频带隔离思想，设计了柔性结构的正位置反馈（Positivepositionfeedback，PPF）振动主动控制器。 - Detecting the particle of feeble coupling ( graviton and axion) in external electromagnetic field, Physicists use the coupling between magnetic field and feeble coupling particle to produce the perturbative photon flux ( PPF).
在电磁场中的弱耦合粒子（引力子和轴子）的探测，物理学家大都采用磁场（虚光子）与弱耦合粒子之间的相互作用产生扰动光子流。 - With regard to the harm of the harmonic in Power System, This paper introduced the structure and the principle of the Active Power Filter ( APF) and the passive power filters ( PPF) in the harmonic suppression device.
本论文针对电力系统中谐波的危害，介绍了抑制谐波装置中的无源电力滤波器和有源电力滤波器结构和原理。 - For better improving the power quality of consumers active power filter ( APF) has become the better way to eliminate harmonics with great advantages compared to passive power filter, such as compensating all harmonics at the same time, change in real time reactive power compensation.
为了更好地改善用户侧电能质量，有源电力滤波器（APF）相比无源电力滤波器（PPF）有着明显的优势，如可以对各次谐波同时进行补偿。 - The concentrations of redox agents used did not affect the basic synaptic transmission and PPF.
在这些氧化还原剂所用的浓度下，这些药物对突触的基础传递和双波易化都没有影响。