曲線的極線 的英文怎麼說

中文拼音 [qūxiàndejíxiàn]
曲線的極線 英文
line polar or a curve
  • 曲 : 曲名詞1 （一種韻文形式） qu a type of verse for singing which emerged in the southern song and ji...
  • 線 : 名詞1 （用絲、棉、金屬等製成的細長的東西） thread; string; wire 2 [數學] （一個點任意移動所構成的...
  • 的 : 4次方是 The fourth power of 2 is direction
  • 極 : i 名詞1 （頂點; 盡頭） the utmost point; extreme 2 （地球的南北兩端; 磁體的兩端; 電源或電器上電流...
  • 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
  1. The effect of yield and grain protein content with soil water content and nitrogen ( or nitrogen and p2o5 ) was described by isopleth

    用極差變換將產量和蛋白質含量理論值標準化，其標準值曲線的交點即為二者的最佳結合點。
  2. The mathematical statistics method and extrema variance clustering method can be used to visible automatic classifying and reading of logging curves. the lithofacies classifying program basing on multi - mineral model analysis presents a new method to analyze logging - facies and more accuracy and visualized logging facies section can be reached by using this method. in addition, it supplies reliable lithologic layering reference for search and evaluation of oil / gas caprock and it also made up for the high cost of core - drilling and the inaccuration between lithic fragment description and depth

    採用基於「數理統計-極值方差聚類法」的面向對象可視化操作方法可有效地解決測井曲線的可視化自動分層取值問題；而基於多礦物模型分析的巖相劃分程序又提供了一種新的測井相分析方法，能得到更為準確直觀的測井相剖面，為尋找和評價油氣蓋層提供了可靠的巖性分層依據，同時彌補了鉆井取心費用高和錄井巖屑描述與深度有誤差的缺陷。
  3. The load displacement curves and the ultimate strength of each member are presented. effects of beam length, radius of curvature and flexural - torsional rigidity on ultimate are considered

    通過試驗研究，給出每個構件的荷載位移曲線和極限承載力，得到了曲梁承載力隨跨長、曲率半徑以及截面尺寸的變化規律。
  4. The ground will not have time to polarize completely and the decay will have a smaller amplitude.

    地層還來不及充分極化，衰減曲線的幅度將比較小。
  5. The effect of borided layer at low temperature on wear resistance and brittleness of borided layer for steel 45 was studied by means of wear test, brittleness test and anode polarization measurement

    通過磨損試驗、脆性試驗和陽極極化曲線的測試，研究了低溫滲硼對鋼滲硼層耐磨性、脆性和耐蝕性的影響。
  6. Sclaes and sizes for plotting frequency characteristics and polar diagrams iec 60263 : 1982

    繪制頻率特性曲線和極座標圖用的標度和尺寸
  7. The results were shown as follows : ( 1 ) the electrolyte components for electroplating pb - sn coatings in fluoborate system were studied. the effects of concentrations of main salt, dissociative acid, inhibitor, antioxidation and surfactant on the cathode polarization curves of electroplating pb, sn and pb - sn alloys and contents of alloying element were investigated systematically. the scale of current density was confirmed using hull cell

    （ 1 ）研究了氟硼酸體系電鍍pb - sn合金鍍層的電解液組成，詳細討論了主鹽濃度、游離酸濃度以及阻化劑、抗氧化劑、表面活性劑等添加劑對氟硼酸體系電沉積pb 、 sn及pb - sn合金陰極極化曲線的影響和對pb - sn合金鍍層中合金含量的影響。
  8. Most of the switch tubes used presently work in the gas spark region ( the right branch of paschen curve ), and are made of graphite and mental such as tungsten, molybdenum, stainless steel and mercury

    目前實際應用的開關管多數工作在火花放電區域（巴邢曲線的右支） ，使用的電極材料一般為鎢、鉬、不銹鋼、水銀、石墨等。
  9. The action of the combined brightener was studied by hull cell test, the determination of cathodic current efficiency and polarization curves

    通過赫爾槽試驗，電流效率及陰極極化曲線的測量研究了該光亮劑的作用效果。
  10. The power angle characteristics are acquired and compared with the unsaturated curves. it is concluded that the stability limit of the power angle is less than 90 degree. reactive power regulating curves are calculated and compared with those curves when saturation effect is not considered, the result is that u type curves are deviated to the right

    通過對同步發電機各種運行曲線的計算，在已有文獻的基礎上更進一步分析了鐵磁材料飽和以及磁場畸變對同步發電機運行特性和參數的影響；求出了空載特性曲線和零功率負載特性曲線，在不同的電樞電流下計算得到的波梯電抗不同；求出了功角特性曲線，與不計飽和時的功角特性曲線相比較，功角穩定極限小於90 ；求出無功調節曲線，與不計飽和時相比較， u型曲線向右偏移。
  11. For the cranes which arm angle and length is alterable, its utmost hoist competence is changeable. so we must found the characteristic curve math model of the crane. then the plc programme can provide protection for the crane working according to the math model

    對于臂桿角度和長度可變的起重機而言，其起吊重量極限值是變化的，這就要求事先建立這類起重機的起重特性曲線的數學模型，然後再讓plc程序按照給定的數學模型對起重機進行安全作業保護。
  12. The main purpose of this paper is to realize the section properties and moment capacities of profiled sheets by experimental study and academic analysis for three types of profiled metal sheets which are called u450, u860and super combination profiled metal sheets produced by shanghai baosteel metallurgical construction corporation. its main contents include : ( l ) according to " european recommendations for the testing of profiled metal sheets ", the moment capacities of 32 full - size u450 and u860simple and continuous specimens are tested. ( 2 ) using the finite element program ansys and nonlinear finite element method, the moment capacities of super combination profiled metal sheets profiled are analyzed

    主要內容有： （ 1 ）依據《金屬壓型鋼板試驗歐洲建議》 ，進行了32塊1 : 1的u450 、 u860二類壓型鋼板試件簡支、連續板彎曲性能試驗研究； （ 2 ）採用有限元程序ansys對超級組合壓型鋼板受彎性能進行了非線性有限元分析，分析中考慮了大變形與幾何初缺陷，得出其荷載?撓度曲線與極限荷載p _ （ max ） ，通過截面特性與曲線斜率、極限荷載的關系式得到截面特性；並將分析結果與同濟大學試驗結果進行對比分析。
  13. The prepared sdse modified zirconum meinbrane was tested at the wider range of tcmperaure and pressure and differellt composihons of hydrogen mixturc gases ( i. e. different hydrgen panal pressure ) in order to examine the performance of this membrane and the sole hpermselechvity of the membrane. the results showed tha the purity of the permeated hydrgen is l00 % at the base of the detection greatest lower lanit of the qhle mass spectrometer, and there was no impurity gas passed, the permeating flux and permeability of this membrane are from several decades times to one decade times more higher than tha of a palladum membran in the range of from 593k to 773k, puv = 0. 2 ~ 0. 3mpa, pdn = 4x l04pa - - 0. lmpa, the hydrogen permeatng flux is increased with the difference of the squto root of pressure, and presents a linear relationship, the pressure seems has no influence on the permeablity, the permeabi1ity is decreased with the increasing of the temperature, and presents an exponential relationship, accondng to the fitting curve of the relationship betwen the permeability and the temperatur derived from the experimenta daa, in the range of 593k ~ 773k, pup0. 2 ~ 0. 3mpa, pha = 4 x l0 # pa ~ 0

    在更寬的溫度范圍、壓差范圍內，在不同原料氣組成（即不同的氫氣分壓）條件下，對所制備的鋯表面改性膜進行了滲氫性能實驗，考核了膜對氫的唯一選擇滲透性，結果表明：在四極質譜的檢測下限內，只有氫氣存在，而無雜質氣體通過；在593k 773k溫度范圍內，鋯表面改性選擇滲氫膜具有高於鈀膜數十倍至十幾倍的滲氫流量和滲氫系數；其滲氫流量隨著膜兩側氫分壓平方根摘要差的增大而增大，並且呈線性關系；壓力對膜的滲氫系數幾乎無影響；膜的滲氫系數隨著溫度的升高而下降，井巨呈指數關系：根據對實驗數據所作滲氫系數與溫度關系曲線的擬合，在溫度593k 773k范圍內，壓差p 、 0二0
  14. The effects are on the probabilistic assessment of both scattering regularity and sampling size of the test s - n data. p - s - n curves are characterized by the scale and location parameters related s - n relations for the maximum value model. the materials constants of in the scale relations are given by the average s - n relations and the locations

    曲線用極大值分佈的位置與尺度參量s - n關系曲線來表徵，尺度參量s - n關系曲線可表示成均值與位置s - n曲線的函數；均值曲線的材料常數應用最小二乘法求出，位置曲線參數通過極大值分佈的似然函數解出。
  15. At last, a better idea is presented : in fact, the problem of computing the shape distance between two open curves can be changed to the problem of a functional extremum, therefore, we can get the shape distance through solving an euler equation

    本文在最後還證明了這樣一個結論，兩條平面開曲線的形狀距離的計算問題可以轉化為一個泛函的極值問題，於是通過解一個歐拉方程就可以求出兩條開曲線的形狀距離。
  16. As a basic energy of our counrry. the determination of calorific value of coal is very important to the excavation and efficient exploitation of energy. the traditional method of determination has many complicated coursese and always needs much work made by man. so the research of automatic calorie meter makes significentthrough the detailed analysis of principle and method of measurement, an automatic measuring instrument controlled by microcomputer is designed in this paper in order to take the place of manual operations. the instrument can almost do every operation by itself, such as the control of experimental progress, data collection, data computation and the printout of experimental results. furthermore, a distributing system of measurement building on field bus is designed too. under the control of personal computer, several calorie meters can work independently and simultaneously. on the other hand, a powerful measuring and control software is developed using visual computer language - visual basic and visual c + +

    設計不但能自動完成整個實驗過程的控制和實驗數據的自動採集，並且能自動完成數據計算和實驗結果的列印輸出。在此基礎上，本文進一步設計出了基於現場總線技術的分散式測試系統，將多臺自動熱量計置於一臺pc機的控制之下，極大地提高了測量的效率。並利用可視化語言visualbasic和visualc + +設計出功能強大的系統監控軟體，以動畫和實時曲線的形式動態模擬出整個實驗的進程（包括故障顯示） ，使得整個測量工作自動化、智能化。
  17. Sixteen sup - processed from 110k to 300k were found. the range of trap energy is from 0. 19ev to 0. 34ev. the maximum of the initial density distribution of the carrier in the traps locates 0. 23ev, and the curve deviated from guass type

    本文採用一種tl曲線的自動分解技術，對硅橡膠輻照老化tl曲線進行了自動分峰，結果發現在110k ~ 300k的溫度范圍內有16個子過程，其陷阱活化能變化范圍為0 . 19 ~ 0 . 34ev ，被陷阱俘獲載流子初始濃度的分佈在0 . 23ev處具有極大值，且呈偏離高斯型的分佈。
  18. By analyzing the scalar velocity bound curve and combining distribute of acceleration limit, a time - optimal control algorithm was designed. the results of experiments show it can make full use of the capacity of motor while realizing the stability and positioning accuracy of system, solving the problem of time - optimal control

    通過對標量速度邊界曲線的分析，結合加速度極限分佈情況，設計了一種在特定軌跡約束下機器人時間最優軌跡規劃演算法，以在保證系統穩定性和定位精度的前提下，充分發揮電機的性能。
  19. In the experiments, two series of catalysts were synthesized by co - deposition and sol - gel methods each. the composition of both waterproof and gas diffusion layer and catalysis layer were optimized by the orthogonal test. meanwhile, quasi - steady cathode polarization curves, x - ray diffraction ( xrd ), scanning electronic microscope ( sem ) were used to analyst the relationship between the microstructure and the performance of air electrode

    實驗採用共沉澱法和溶膠凝膠法合成了兩類催化劑;對防水透氣層和催化層進行了正交試驗優化;同時，還採用測準穩態極化曲線， x射線衍射（ xrd ） 、掃描電子顯微鏡（ sem ）等分析測試手段，對空氣擴散電極催化材料、空氣擴散電極界面結構與性能的關系等作了較深入的研究。
  20. Derivation of dirichlet and neumann problem in laplace equation with algebraic method

    極坐標下平面曲線的四步作圖法
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