The effect of PPF and DIF on plantlet growth of potato in vitro under photoautotrophic condition was investigated.
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。
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cyp3a 4代谢的立体选择性。
By making use of MATLAB to build the system model, PPF and APF are put in the simulation respectively.
利用MATLAB软件在计算机平台内搭建系统模型，分别利用有源和无源两种方式对系统进行补偿。
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P PF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。
The mechanism of the formation of PPF and the effects of the main experimental conditions are discussed respectively.
探讨了正丁胺等离子体聚合膜的形成机理和传感器主要检测条件的影响；
Considering limitations of the passive power filter (PPF), a reform method of PPF for low voltage power grid was presented.
针对无源滤波器的缺陷，提出了一种低压电网无源滤波器改造方案。
Poly (propylene fumarate) (PPF) is an unsaturated linear polyester with fumarate double bonds that can be crosslinked in situ.
聚富马酸丙二醇酯(PPF)是一种不饱和线性聚酯，PPF结构上不饱和双键的存在使得其能发生原位交联。
There has been speculation in the Russian media that PPF might be preparing to sell its presence there to a major Russian retail bank such as Sberbank or VTB.
在俄罗斯存在一些投机，PPF可能准备出售他的主要俄罗斯零售银行，例如西伯利亚银行和俄罗斯国有银行VTB。
Effects of polypropylene fiber (PPF) on properties of phosphate cement-based concrete, such as flowability, operable time, flexural and compressive strength were investigated.
主要研究了聚丙烯纤维(PPF)对磷酸盐混凝土性能如流动性、可操作时间、抗折和抗压强度的影响。
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。
The investors, which will include the Pensions Protection Fund (PPF)—the backstop for private-sector schemes—will own the entire capital structure and can divide cashflows as they like.
包括私营部门计划的支撑—养老金保护基金（PPF）在内的投资者将坐拥整个资本结构，并可以随意划分现金流转。
Hybrid active power filter combined by APF and PPF, learning from both their strong points to offset their weaknesses, can be applied for high power harmonic control and reactive power compensation.
由APF和PPF组合构成的混合型有源电力滤波器可使二者取长补短，实现大功率下谐波抑制和无功补偿。
Hybrid active power filter combined by APF and PPF, learning from both their strong points to offset their weaknesses, can be applied for high power harmonic control and reactive power compensation.
由APF和PPF组合构成的混合型有源电力滤波器可使二者取长补短，实现大功率下谐波抑制和无功补偿。
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