polar method 中文意思是什麼

polar method 解釋
極坐標法
  • polar : adj 1 （南、北）極的，地極的；近地極的。2 【物、化】（有）極的；磁極的；有磁性的。3 【幾】極線的...
  • method : n 1 方法，方式；順序。2 （思想、言談上的）條理，規律，秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  1. Secondly, the various conic arcs and conies are generated by the rational triangular bezier and the b - spline method in polar coordinates system

    其次，給出圓錐曲線弧及其補弧的三角有理b zier表示；以及任意角度二次曲線弧的極坐標b樣條表示。
  2. Furthermore, shear type is simple shear - dominated at the early stage by analysis of wk from the method of polar mohr and pure shear component increases at the late stage by the methods of ecc. much synthetic extensional crenulation cleavage ecc is found in mylonitic rocks zone

    不同方法求得運動學渦度wk介於0 . 453 ? 0 . 809間，表現為一般剪切作用類型，其中早期為以簡單剪切組份為主、晚期為以純剪組份為主的一般剪切作用類型。
  3. One retrieval method using rst invariant features based on lpm ( log - polar transformation ) transformation is proposed

    提出一種基於對數極坐標變換lpm （ log - polartransformation ）的不變特徵圖像檢索演算法。
  4. The wet plating method permits to improve the adhesion of plating layers by treating the surface of polymers with an acid to generate the concavo - convex and forming the polar functional groups ( see, metal surface compendium, plastic plating techniques, page 13 )

    濕鍍方法可以改進鍍層的粘附能力，其方法是用酸處理聚合物表面，以產生凸凹並形成極性基團。
  5. An robust object locating method based on log - polar transform and affine transform

    基於對數極坐標變換和仿射變換的目標識別定位方法
  6. The paper abstracts out the palmprint mainline characteristic owing to palmprint image gradation by the gray value characteristic property method, defining the online palmprint characteristic space with the form of the polar coordinate and compressing the dimension, at last we use the neural network to accomplish the design of identification authentication system with the on - line palmprint as the mating algorithm. based on this, a fast and reliable system of identification authentication can be built

    採用基於掌紋圖像灰度特性的方法提取出掌紋的主線特徵，以極坐標的形式定義在線掌紋的特徵空間並降維處理，最後用神經網路作為匹配演算法完成在線掌紋身份驗證系統的設計，以此為基礎建立了快速、可靠的新型身份認證系統。
  7. The results indicated that the dimension, shape and purity of base material could meet the functional demand of solid lubricant ; the thermal decomposition temperature of ptfe resin exceeds 400 c, but organic and inorganic packing filler added in ptfe made the water absorption rate of composite material increased, melting temperature and decomposition temperature decreased, in the meanwhile oxidative decomposition reaction was accompanied ; polar groups such as c = o, c - o - c and so on in the carbon fiber surface is advantageous to increase compatibility with other components and interlayer shearing strength ; uniform design experimental method could help to find the relationship between formula and frictional property by relatively small tests. the developing trend of each formula ' s friction coefficient could be showed by fitting curve ; the friction coefficient with no copper powder or graphite in formula was relatively big. this fact showed that copper powder and graphite should be used cooperatively ; it was found that when the ratio of copper powder to graphite by weight is 15 : 60, 30 : 30 - 40 and 60 : 15 - 30 respectively, the friction coefficient was relatively small. the degree of crystallinity of pure ptfe reached maximum by air cooling and the abrasion loss also reached maximum among three ones ; at the same time, the abrasion loss of solid lubricant sample was also the biggest among three ones ; when solid lubricant matched with 45 # steel axle or gcrl5 steel axle, lubricant transfer film could be formed on metal surface, thus direct contact between the surface of metal friction pair rings was reduced. their working life was elongated extremely ; there was mainly much graphite, a little ptff, moo3, feso4, cus and so on in lubricant transfer film

    試驗結果表明：所選原料的尺寸、形狀及純度可滿足固體潤滑劑的性能要求；聚四氟乙烯樹脂熱分解溫度超過400 ，但在ptfe中加入無機填料會使復合材料吸水率提高，熔融溫度及分解溫度降低，且伴有氧化分解反應；碳纖維表面含有c = o及c - o - c等極性基團，有利於提高其與其它組分的相容性，提高層間剪切強度；均勻設計試驗方法能夠用較少的試驗次數找出配方與摩擦性能間的關系，擬合曲線基本能表示各配方的摩擦系數發展趨勢；配方中不加銅粉或不加石墨，其摩擦系數均較高，說明銅粉和石墨應該配合使用；當銅粉15份、石墨60份時，銅粉30份、石墨30 - 40份時，銅粉60 、石墨15 - 30份時，摩擦系數均具有較低值；純聚四氟乙烯樹脂在空氣冷卻時結晶度最大，磨損量也是三者中最大的；同時，固體潤滑劑試樣在空氣冷卻時的磨損量也是三者中最大的：不論是固體潤滑劑與45 #鋼軸配副或是固體潤滑劑鑲嵌入銅套后與gcr15鋼軸配副，在金屬表面均可形成潤滑轉移膜，從而減少金屬摩擦副表面間的直接接觸，大大延長其使用壽命;轉移膜中主要含有較多的石墨、少量聚四氟乙烯、 moo 。
  8. This paper adopted analytic hierarchy method compared the theory of small towns in china from five aspects, disclosed the process of the development of small towns, generalized eight aspects of the developed theory in foreign small towns, it contains region integration idea, centro theory, grow polar - nucleus theory, sustainable development theory, desakote theory, new town theory, shared space theory and idio - centre development theory

    文章採用層次分析法對我國已進行的小城鎮發展理論從五個方面作了比較，揭示出小城鎮在我國的發展進程，總結了國外小城鎮發展理論共有8條，即區域整合思想、中心地理論、增長極核理論、可持續發展理論、灰色區域理論、新城鎮理論、分享空間理論和自中心發展理論。
  9. Fitts " law was extended to two - dimensional polar coordinate system, and based on this, a method on human movement quality evaluation was proposed. indices of gait symmetry, indices of difficulty and indices of performance for human upper limbs were defined and combined with other indices to form a set of systematic indices of movement quality evaluation

    將fitts定律推廣到二維極坐標下，並以此為基礎建立了矢狀面內的人體運動質量評定方法，定義了上肢運動的難度指標、執行度指標和下肢運動的對稱性指標，提出了一套能反映運動質量各方面情況且具有普遍意義的運動質量評價指標。
  10. Since the success of dolly, the first cloned sheep with the adult somatic cells as karyoplast donor, new approaches have been developed for nuclear transfer technology. here we describe a handmade cloning method which combines the chemical induced enuleation and zona - free technology in embryo culture. enuleated oocytes were derived by exposing the oocytes to demecolcine and cytoheximide supplemented mdium sequently and its chromosome was depleted to the first polar body

    將培養10h的化學去核卵母細胞與供體成纖維細胞融合后lh 、 2h 、 3h ，分別有77 . 6 % 、 70 . 6 % 、 58 . 9 %重構胚的染色質發生凝集，其餘胚胎的染色體則處于原核期;而只在融合后3h ， 27 . 9 %重構胚被標記出組裝的紡錘體，且其中的同源染色體己經分離。
  11. Application of the polar coordinate method in the design and measurement of curves

    極坐標法在曲線測設中的應用
  12. Plane curve of setting out top - class highway with the method of polar coodinate

    極坐標法測設高等級公路的平曲線
  13. The main work and conclusion for this paper is as following : according to the flashover test results of several kinds of iced insulators under positive voltage and negative voltage, this paper obtained : for the single porcelain insulator, the single glass insulator and the composite insulator bridged completely by icicle, the metal cathode ' s strong ability of emission electron is the primary reason that results in the lower negative flashover voltage ; the position difference of the high resistance district in method anode side results in that porcelain insulator cluster and glass insulator cluster have an evident effect of polarity ; when less ice and no icicle at the brim of the sheds, due to numerous non - polar arcs on the composite surface, the effects of polarity of composite insulator was lost using the test method of the average flashover voltage in the freezing period, dc flashover performances were investigated of several insulators with some typical structures and different material

    本文的主要工作和結論如下：在人工氣候室內，根據不同覆冰絕緣子正、負極性下的閃絡試驗結果，得出負極性電弧金屬陰極的強電子發射能力造成了單片瓷、玻璃絕緣子及被冰凌橋接的合成絕緣子有較低負極性冰閃電壓；正極性電弧金屬陽極側產生高電阻區所處位置的差異使得瓷和玻璃絕緣子串具有明顯的極性效應；覆冰較少時，合成絕緣子表面出現數量較多的非極性電弧使合成絕緣子無極性效應。利用覆冰期內平均閃絡電壓的試驗方法，對不同材質和結構的絕緣子在覆冰、低氣壓和污穢共存環境中的直流閃絡特性進行了研究。試驗結果表明，直流平均閃絡電壓隨著海拔的升高、覆冰量的增加以及污穢度的增加而降低，且其特徵指數與絕緣子結構、覆冰量、覆冰狀態、污穢度等有關。
  14. A discretization equation is derived by using a finite volume method in three - dimensional cylindrical polar coordinate system. algebraic equations are solved by iteration with a line - by - line method that is a combination of tdma in axial and radial directions, ctdma in tangential direction and adi method in three directions. the pressure and velocity coupling are solved with the simple algorithm

    在三維圓柱坐標下，利用有限體積法推導離散方程；在軸向與徑向用三對角矩陣法（ tdma ） ，在周向採用循環三對角矩陣法（ ctdma ） ，採用交替方向亞鬆弛疊代法（ adi ）求解方程；推導同位網格下的壓力修正方程，用simple演算法處理速度與壓力的耦合；為加速收斂，採用適當的鬆弛因子。
  15. In order to satisfy the demands of the main pylon measure benchmark stakingout and the cable anchor - pipe positioning for cable - stayed bridge, a new georobot relative datum 3d polar coordinate method is presented

    摘要結合斜拉橋索塔基準放樣及斜拉索預埋鋼管的精密定位的需要，提出了一種新的基於測量機器人的三維相對基準放樣方法，並成功用於灌河特大橋斜拉橋主橋的施工放樣。
  16. In order to compare the retention time ( rt ) and limits of detection of 20 organophosphorous insecticides in different conditions the experiments were carried out using a medium polar capillary column ( db - 1701 ) and a no polar capillary column ( db - 1 ) with two detectors ( gc - fpd and npd ). the rt of 20 organophosphorous insecticides in two different polar capillary columns was a retention qualitative method for 20 organophosphorous insecticides. db - 1701 capillary column coupled with gc - fpd detector was used in the following study, the limits of detection were in range of 5x10 - 11 ~ 2x 10 - 12 g, the linear range was 2x 10 - 9 ~ 1 x 10 - 11g

    本研究用兩種檢測器（氮磷檢測器和火焰光度檢測器儀器）和兩種不同極性色譜梓（中極性毛細管色譜柱db - 1701 、非極性毛細管色譜柱db - 1 ）作為研究手段，比較了20種有機磷殺蟲劑在兩種色譜柱（ db - 1 、 db - 1701 ） 、兩種檢測器（ fpd 、 npd ）上的保留時間及最小檢測量，建立了用不同極性色譜柱上有機磷農藥的保留時間可作為有機磷農藥雙柱定性確證的的方法；建立了db - 1701 ， gc - fpd測定蔬菜中20種有機磷殺蟲劑的氣相色譜法，該方法的最小檢測量為5 10 ~ （ - 11 ） 2 10 ~ （ - 12 ） g ，線性范圍在2 10 ~ （ - 9 ） 1 10 ~ （ - 11 ） g時，相關性良好。
  17. Abstract : from the angle of the functional requirement for underwear and outwear, this paper analyses the properties of anti - microbial and occlusion fabric produced from copper and polar amino acid of silks complex emetic reaction to distributed by cu s crystal on the surface of silk. it made a study on the producing method of elastic fabric and indicates the common problems in both production and design

    文摘:從內衣對真絲的功能性要求及外衣對真絲綢成形能力的要求切入，介紹了利用銅化合物與桑蠶絲中的極性氨基酸發生絡合反應，在纖維表面形成硫化銅晶體得到抗菌導電真絲的原理和效果，還介紹了生產彈性真絲織物的幾種方法和影響織物彈性、服用效果的因素，提出了在生產、設計彈性真絲織物過程中應注意的主要問題。
  18. In this paper, the transitional method of the spherical har monics is applied and a new model is gained. the parameters of the new model are geocentric radius, range cross - deviation and polar is decided by different trajectories

    本文對球諧函數的改進主要是採用了換極法，根據不同的彈道重新選擇極點，將球諧函數變換為以地心距、射程角、側向偏差為參數的新的形式。
  19. Furthermore, it was the first time to make a systemic analysis and study to the motion rule and affected factors of this kind of transformer. with the applications of relative polar method and equal view angle method, the transformer that satisfies the requirement of transmission rate and output motion is synthesized. thus, an original non - frictional stepless speed regulator with a 1. 5kw input power, a 1500 rotation speed, a constant150output rotation speed and a maximum 300 output rotation speed was achieved

    在此基礎上利用相對極點法和等視角法按傳動比及輸出運動的要求對轉換器進行了綜合，得出了輸入功率1 . 5kw ，輸入轉速1500 ，額定輸出轉速為150 ，最大輸出轉速300的新型的非摩擦式無級變速器的基本尺寸參數並應用adams軟體對其進行了優化；最後對該非摩擦式無級變速器進行了過約束分析，提出了新型的非摩擦式無級變速器無過約束分析的機構運動副的配置方案。
  20. The polar - method ' s demonstrate of the duel principle in the lt ; ighgeometry gt

    對偶原則的配極法證明
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