ppf 中文意思是什麼

ppf 解釋
磅英尺
  1. In this thesis, a kind of reversible immobilization method based on the plasma - polymerized film ( ppf ) used for effective immobilization of active bio - molecules and easy reproduction of sensors is developed. the surface of quartz crystal microbalance ( qcm ) is firstly prepared with plasma - polymerized film of butyl amine by glow - charge technique and then covered with a negative - charged polyelectrolyte by self - assembling. through strong electrostatic attraction, antibodies ( antigens ) positive - charged are immobilized for the determination of antigens ( antibodies )

    本論文基於等離子體聚合膜，設計了一種既能固定生物活性物質又易於傳感器再生的可逆固定化方法，即採用輝光放電的等離子體沉積技術，先在石英晶體上沉積一層正丁胺等離子體聚合膜，再在膜上自組裝一層帶負電的聚電解質，用以靜電吸附固定抗體（抗原）測定抗原（抗體） 。
  2. The analysis of ppf ’ s operation principle is introduced in detail in this paper. further more, the effect on the circuit operation is also analysed, which caused by clamping capacitance and different transformer leakage inductance value

    本文首先深入研究了推挽正激變換器的工作原理，分析了穩態條件下的工作模態，同時分析了箝位電容與變壓器原邊漏感的大小對于工作模態的影響。
  3. Production possibility frontier ppf

    生產可能性邊界
  4. Tb _ ppf - index is able to support trajectory based queries about the historical information of moving objects. first, the historical trajectories of moving objects are indexed by tb - tree after trajectory splitting. a buffer containing the latest trajectory segment is maintained for each moving object to support trajectory splitting

    在tb _ ppf - index中，移動對象歷史軌跡信息經過軌跡切分后利用tb - tree進行索引，在軌跡切分過程中為每一個移動對象維護一個緩沖區buffer以保存最近一段時間的部分軌跡。
  5. The percentage of dwelling units in high - rise and low - rise buildings is entered. this affects the selected ppf if an area average was selected

    輸入層數較多和層數較少的樓宇內住宅單位所佔比率，倘若選取的是面積平均值，這個比率數字將對所選取的每單位人口有所影響。
  6. Ppf control is named as prediction position feedback control

    Ppf控制的全稱是預測位置反饋。
  7. Based on comparison of different dc / dc converter, push - pull forward converter ( ppf ) is selected as main system prototype

    在比較多種常用拓撲的優缺點后，本文選用推挽正激電路作為主電路拓撲。
  8. We note that some industry players have reservation over the ppf concept because of concern over potential moral hazard and the financial costs of such funds

    我們注意到部分業內人士對保單持有人保障基金的概念有所保留，原因是他們關注該類基金的潛在道德風險及財務成本。
  9. Here, four kinds of immunosensor proposed as the potential alternatives to the clinical diagnosis methods are shown as follows : the first part, a novel piezoelectric immunosensor based on plasma - polymerized film ( ppf ) and polyelectrolyte is developed for the determination of transferrin in human serum

    研製了四種與臨床疾病診斷密切相關的壓電免疫傳感器，具體內容如下：第一章研製了一種新的轉鐵蛋白壓電免疫傳感器。
  10. The mechanism of the formation of ppf and the effects of the main experimental conditions are discussed respectively. in addition, the sensitivity, selectivity, stability and reproducibility of the immunosensor are investigated in detail. the immunosensor can determine the transferrin with the linear range of 0. 10 ~ 12. 65 ug / ml

    探討了正丁胺等離子體聚合膜的形成機理和傳感器主要檢測條件的影響；考察了傳感器的靈敏度、選擇性、重現性和再生性能；傳感器測定人血清中轉鐵蛋白的線性范圍為0 . 10 12 . 65ug ml 。
  11. The proposed control system includes the attitude controller acting on the rigid hub, designed by using pulse - width pulse - frequency ( pwpf ) modulation integrated with command shaping technique based on csvs method, and the piezoelectric material elements as sensors / actuators bonded on the surface of the beam appendages, designed by the optimal positive position feedback ( oppf ) control technique, in which the selection of ppf gains is determined via introducing a cost function to be minimized by feedback gains which are subject to the stability criterion at the

    設計的控制器僅利用輸出信息，從而避免設計撓性模態狀態觀測器以及引入狀態觀測器誤差;在此基礎上，採用分力合成方法設計命令成形控制器來抑制撓性附件的振動，設計的優化命令成形控制信號在理論上可以對系統的各階撓性模態完全抑制。但考慮到模型不確定性和外部擾動，在內迴路又設計了最優正位置反饋（ oppf ）補償器以增加撓性結構的阻尼，使撓性結構的振動能夠很快衰減。
  12. Query - processing algorithm for the past, the present and the future positions is proposed based on tb _ ppf - index

    在tb _ ppf - index基礎上給出支持移動對象歷史信息軌跡查詢的全時態查詢演算法。
  13. At mf - ca3 synapses, different stimulus intensity or interpulse interval resulted in different reactions to paired - pulse, including ppd ( paired - pulse depression, the response to the second pulse is smaller than that to the first one ) and ppf ( paired - pulse facilitation, the response to the second pulse is larger than that to the first one )

    使用不同的檢測強度或不同的配對脈沖時間間隔可在mf - ca3通路上記錄到ppd （ paired - pulsedepression ，即第2脈沖反應小於第1脈沖反應）或ppf （ paired - pulsefacilitation ，即第2脈沖反應大於第1脈沖反應）效應。
  14. Feasibility of establishing an insurance policyholders protection fund ( " ppf " )

    設立保單持有人保障基金（保障基金）的可行性。
  15. This determines the rate of decrease in the selected ppf if an area average was selected

    倘若選取的是面積平均值，這個年份數字將決定所選取的每單位人口的下降率。
  16. Industrial experiment show : based on fuzzy ppf control, two types of signal detecting systems can entirely cooperate for fulfilling rectification, and improve the reliability of real - time control considerably

    工業試驗證明：模糊ppf控制下兩種信號檢測系統完全可以配合完成糾偏任務，能夠大大提高現場控制的可靠性。
  17. The stage 1 consultant will analyze the public comments received and submit a final report with recommendation for the government s consideration by mid 2004. the government keeps an open mind on the ppf concept

    負責首階段研究的顧問公司將分析所收集得的公眾意見，並會在2004年年中前提交載有建議的最後報告，以供政府考慮。
  18. 6. at mf - ca3 synapses, both the facilitation ration of ppf and the depression ration of ppd decreased to some degree during the expression of ld - ltp. the result suggested that the expression of ld - ltp at the mf - ca3 synapses may be presynaptic

    訓練對照組動物隨著行為的習得， mf一ca3通路出現了習得性ltp ，且不管是ppd或ppf均在mf一ca3習得性ltp形成后出現改變，這提示mf一ca3習得性ltp形成后的表達與突觸前機制有關。
  19. 7. whether the dp was induced by the treatment on dneb of 1hz or 5hz delivered 5 min after daily trainings, both ppd and ppf changed during the learning behavior, which suggested that presynaptic mechanisms may be involves in the dp of learning - dependent long - term potentiation

    訓練后smin不管是使用ihz還是shz刺激dneb產生的dp中，觀察到ppd或ppf均在動物訓練階段期間出現改變，這提示習得性ltp的dp可能也與突觸前機制有關。
  20. Based on the sufficient analysis of ppf control rule, the research into the algorithm combination between fuzzy control and ppf control is made to develop the intellectual ppf control system and design automatic tracking system to the edge of strip steel by the step motor, the signal collecting circuit with the capacitance sensor, servo magnifying circuit, and interface circuit are designed also

    本文在充分分析ppf的控制規律的基礎上，研究了模糊控制與ppf控制演算法結合，組成智能ppf控制系統，設計了步進電動機帶鋼邊緣自動跟蹤系統，電容傳感器信號採集電路，伺服放大電路及介面電路。
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