pf 中文意思是什麼

pf 解釋
PF ＝pulse frequency 【無線電】脈沖頻率。

  1. Automatic shape beveling edging polishing machine pf - 45

    自動異型斜邊磨邊機pf - 45
  2. Using enterobacter cloacae b8, the mutated strains b8b and b8f, and the recombinant clones pb and pf, we try to sequence the antagonistic - related genes of enterobacter cloacae b8 by subcloning and genome primering system. the acquired sequences were analyzed with blast program to find any homology to sequences deposited in genebank

    以廣譜拮抗菌陰溝腸桿菌b8菌株和拮抗活性缺失菌株b8b 、 b8f及從b8b和b8f二菌株克隆獲得的重組質粒pb 、 pf為基礎，對陰溝腸桿菌b8菌株拮抗相關的b和f基因片段進行序列分析。
  3. A rate - dependent damage evolution modified zwt nonlinear constitutive ralation is adopted, an object function of least square was established according to the experimental results. the searching space of each decision variable was foreordained with conventional optimizing method, and all parameters in zwt model for solidified pf resin were determined with generic algorithms

    基於實驗曲線構建了最小二乘形式的目標函數，並採用傳統優化方法輔助設計了各個決策變量的搜索空間，進而用遺傳演算法確定了損傷型zwt非線性粘彈性本構關系中的材料參數。
  4. Selection pf professor yang zongmeng ' s experience in diagnosis and treatment of metrorrhagia

    楊宗孟教授辨治崩漏經驗擷菁
  5. Preparation and characteristics of magnetic pf microspheres

    微球的制備及性質
  6. You real ' s no enemy ! me pf di five body throw ground

    你真是無敵，我佩服得五體投地。
  7. Options : various options to control how pf works

    選項：不同的，用來控制pf如何工作的選項。
  8. 8 pf - plus is packaged in 25 kg multi - ply paper bags

    Plus採用多層復合紙袋包裝，每袋25公斤。
  9. Pf rigid phenolic foam for thermal insulation

    硬質酚醛泡沫絕熱製品
  10. 9 pf - temp are used to reduce api fluid loss less than 5 ml

    Temp用於將api失水降到低於5毫升。
  11. Spectrophotometric determination of zirconium with o - cl pf and cpc

    氯化十六烷基吡啶光度法測定鋯
  12. Citizenship is one of the major appeals pf the campaign

    這項活動，很清楚的以外勞的公民權為訴求。
  13. Properties of carbon fiber reinforced pf resin graphite composite bipolar plate

    石墨復合材料雙極板的性能
  14. Pf : pressurization fan

    加壓風機
  15. Tighten up fluid loss if necessary with additions of drispac r / sl. excess lime should equal pf with pm 6 times greater. if shales prover non - reactive, allow lime content to deplete

    如果需要用高粘或低粘錐斯派克控制失水的話，過量的石灰就應當使鉆井液堿度比濾液堿度大6倍左右。如果證實頁巖沒有反應，就允許把鉆井液中所含的石灰耗盡。
  16. Our company are specialize in manufacturing inflatable products, such as river boat, canoe, kayak, leisure boat, pvc air mattress, pf air mattress, air bag, air pillow, various raincoat

    我公司是專業生產充氣類產品的，產品有：急流舟，沖鋒舟，獨木舟，休閑舟， pvc空氣床，植絨空氣床，充氣袋，充氣枕，各類雨衣。
  17. The save energy mould pump of the corrosiveness of the ministry of industry such as chemical industry and chlorine alkali, chemical fertilizer, dyestuff, reagent, pesticide, pharmacy, electroplating and environmental protection etc door transport that pf ( fs ) mould chemical industry pump can satisfy to carry many kinds of consistency sulphuric acid, hydrochloric acid, nitric acid, acetic acid, phosphoric acid, chromium acid, oxalic acid, hydrofluoric acid and the lye, organic solvent and oxidizer geometric ratio medium under - 50 s - 80 s temperature conditions and is not han s anything small and roundish medium

    型化工泵能滿足輸送- 50 80溫度條件下的多種濃度硫酸、鹽酸、硝酸、醋酸、磷酸、鉻酸、草酸、氫氟酸和堿液、有機溶劑、氧化劑等化學介質、是化工、氯堿、化肥、染料、試劑、農藥、制藥、電鍍、環保等工業部門輸送不含顆粒的腐蝕性介質的節能型泵。
  18. The 2, 200, 000 tons coking and 200, 000 ton methyl alcohol projects has been replied by the lu pf 28th document of the provincial planning department, the province foreign trade hall in january, 2004

    巨野縣220萬噸焦化及20萬噸甲醇項目，於2004年1月由省計委、省外貿廳以魯計外資2004 28號文批復。
  19. Present a modified particle filter ( pf ) algorithm based on the los / nlos binary state information of propagation environment using the numerical method of the probability density function ( pdf ) about the hybrid noise. the key idea is using numerical method to calculate the hybrid noise pdf, and integrating binary environment information to get filtering result

    2 .給出了應用粒子濾波器改進直達波與非直達波混合環境中移動終端跟蹤性能的新演算法，特色是利用數值方法計算混合噪聲密度函數，結合二元環境信息完成濾波估計。
  20. Application of pf resin adhesive derived from bisphenol a leftover in fiberboard manufacture

    酚醛樹脂膠在纖維板生產中的應用
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