斜率 的英文怎麼說

中文拼音 [xié]
斜率 英文
gradient; rake ratio; ascent; [數學] slope
  • : 形容詞(跟平面或直線既不平行也不垂直的) oblique; slanting; skew; bevel; diagonal; askew; inclined; tilted
  • : 率名詞(比值) rate; ratio; proportion
  1. Method for determining the speed and average gradient of black - and - white aerial camera films

    黑白航空照相膠片感光度和平均斜率測定方法
  2. If the velocity of atoms is near to zero, the light for ces will tend to confine the atoms near to nodes and antinodes. the stability depends on the magnitude of the negative slope of the light force, the depth of the potential well and the momentum diffusion coefficient. it is important to select the parameters, e. g

    如果通過激光冷卻能使原子速度降至很小甚至為零,光壓力的作用將使原子被較穩定地囚禁于激光駐波場的節點和反節點處,其穩定程度取決于該處光壓力曲線負斜率的大小、對應勢能的勢阱深度以及動量擴散系數的大小,因此,如何在實驗中合理選擇激光強度、失諧量等顯得尤為關鍵。
  3. The slope of titration curve is at a minimum.

    滴定曲線的斜率處于最低值。
  4. The actual stresses do not exhibit the discontinuity of slope at the centre indicated by the elementary theory.

    實際應力在中心處存在初等理論所指出的斜率不連續性。
  5. The fourth chapter introduces the theory of fractional brown movement ( fbm ). the image texture of turning workpiece is analyzed using fbm model. after abstracting the texture character, the cutting tool wear status can be determined according to fractal dimension and average slope of the fitting curve of the logarithm power spectrum

    第四章採用分數布朗運動( fbm )的基本理論,對切削工件表面紋理的圖像進行分析,提取紋理特徵參數,根據分形維數和圖像上對數功譜的擬合曲線的平均斜率來判斷刀具的磨損狀態。
  6. Moreover in speech enhancement, especially in reducing the pulse noise, morphological algorithm has its unique advantage. particularly morphological filter may maintain the preferable accurate of the speech signal in speech waveform, and which produces little impairment to the formant of speech. so the spectrum structure of the speech is retained well, and the quality of the speech will not be reduced

    特別是,在時域波形分析中,形態學濾波增強較小波去噪更好地保持語音信號的細節;在頻域分析中,形態學濾波對語音信號的基音頻、頻譜斜率、共振峰等語音特徵的影響很小,因而能夠較好的保留語音信號的頻譜結構,使語音品質不致降低。
  7. The layer will finally disappear when the slope of the geotherm is too low to produce interstitial fluid at any depth.

    當地熱斜率太低,以至任何深度上都不能產生空隙流體時,低速層將最後消失。
  8. A theorem for slopes of three sides in isosceles triangle and its engineering application

    關于等腰三角形三邊斜率的一個定理及其工程應用
  9. Test method for normal pulse lasing threshold and slope efficiency of nd : yag laser rods

    摻釹釔鋁石榴石激光棒長脈沖激光閾值及斜率的測量方法
  10. Test method for continuous lasing threshold, slope efficiency and output power of nd : yag laser rods

    摻釹釔鋁石榴石激光棒連續激光閾值斜率和輸出功的測量方法
  11. For rotor steel ( 30crlmolv steel ), the tests of low - cycle fatigue property are done under different temperatures. the fatigue life under different temperatures is researched to make up for the defects of the testing for foreign similar materials. when pull - stretch data is attempted to evaluate low - cycle fatigue data, the result shows that four - point associated method in middle - low life zone is done well under room temperature, but there are large errors of four - point associated method and general - slope method under other temperatures

    在本文中,通過與國外同類材料的性能進行比較,國產材料與國外材料共有的材料特徵基本相同;對轉子鋼( 30crlmolv鋼)進行了不同溫度下的低周疲勞性能實驗,研究其在不同溫度下疲勞壽命,以彌補國外對同類鋼材測試的不足;採用拉伸數據預測低周疲勞壽命時發現,室溫條件下用四點關聯法在中低壽命區預測較好,在高溫條件下四點關聯法和通用斜率法都有較大誤差,需要進行改進。
  12. Disigning coolant channel on the firebox of liquid rocket engine to loxodrome ( equal - angle helix ) groove can improve firebox coolant capability greatly. because the width dimension of loxodrome groove is narrow and the depth is deep, some machining methods are incapable, such as end - milling or electrochemistry. according to the peculiarities, a cnc disk - cutter - milling method which is composed of five motion axes with four simultaneously interpolated ones is researched. because most firebox generatrix is composed of complex curves, it is very difficult to get cnc cutting program with manual means. in order to deal with the problem, the loxodrome mathematics model is studied, and an auto - programming software system is developed. the software system can generate cnc cutting program of loxodrome on many kinds of turned surface. the constriction - distension segment of firebox is the most representative workpiece. the sharp changing of its generatrix slope makes loxodrome milling difficult. with the theory analyzing and practice cutting experiment, some applied techniques, which include milling mode and direction, choosing cutter diameter and cutting start point setting, are developed. adopting the technology above, tens regular workpiece have been manufacturing. the two - year manufacture practice has confirmed the validity and feasibility of developed loxodrome coolant channel milling method. the developed technology is also worth to be referenced to other similar workpiece

    將液體火箭發動機燃燒室的冷卻通道設計為航線(等傾角螺旋線)槽形,可以大幅度改善燃燒室的冷卻性能.航線冷卻槽的槽寬尺寸較小而槽深尺寸較大,所以無法使用棒銑刀銑削、電化學等加工方式.針對這些特點,提出了五軸控制、四軸聯動的數控片銑刀銑削加工方法.由於燃燒室外表面的母線輪廓復雜,手工編制數控加工程序難度大.為了解決數控加工程序的編制問題,研究了航線的數學模型,開發了自動編程軟體系統.使用該系統,可以生成多種母線輪廓回轉體外表面上的航線數控加工程序.燃燒室收斂-擴張段的母線斜率變化大,加工難度大,是航線冷卻通道加工的最典型工件.經過理論分析和實際切削實驗,研究了針對該類型工件的片銑刀直徑選擇、銑削方式和方向、刀具調整和起刀點的設置等多項實際的加工方案.採用上述的一系列技術,已經成功地加工了數十個合格工件.經過兩年多的實際生產過程應用,驗證了所開發的航線冷卻通道加工方法的正確性和可行性.這些加工技術的研製成功,對其他相似類型零件的加工亦具有參考意義
  13. The adsorption isotherm of neptunium on silica gel correspond to the form of langmuir isotherm. according to clausius - claperon equation, from the slope in inkd vs 1 / t plot, adsorption heat could be estimated. from the data of adsorption heat it is concluded that the adsorption of neptunium on silica gel in nitric acid solutions belongs to chemical adsorption and the adsorption process is an endothermic reaction

    三種價態的鎿在硅膠上吸附的等溫線符合蘭格繆爾吸附等溫線的形式,是單分子層吸附;根據克勞修斯-克拉柏龍方程,以1nkd對1 t作圖,通過直線斜率計算出吸附熱,從吸附熱的數據可判斷三種價態的鎿在硅膠上的吸附屬于化學吸附,是吸熱的過程;對npov ) 、 np ( v )和np ( vd在硅膠上的吸附進行了比較,提出了三種價態的鋒在硅膠上吸附的機理。
  14. According to the geometry of slope measurements for the subjective wavefront optometer, a wavefont reconstruction model using zernike polynomial with normalization factor is put forward. based on householder transformation and gram - schmidt orthogonalization method, two methods for working out unknown zernike coefficients are bring forward. the error propagation parameter for the wavefront reconstruction model is deduced

    深入研究了帶標準化因子的zernike多項式的性質;針對主觀式像差儀波前斜率采樣方案,提出了採用帶標準化因子的zernike多項式對眼測試波前進行重建的數學模型;提出了兩種求解方法,即基於householder變換求解法和基於gram - schmidt正交化求解法,用於確定重建模型中的未知模式系數;推導出了該波前重建模型對斜率測量誤差的傳遞系數。
  15. R is the slope of the straight line and b its ordinate at the origin.

    R是直線的斜率,B是直線在縱坐標上的截距。
  16. The detailed works are as follows : the finding patterns problems in the time - series data sequence are described, and a new trend logic expression method is introduced, and its algorithm and experiment result of algorithm are given ; time - scries data are disposed, and using the arctg. slope of line as the sample of pattern recognition, so ignoring the aberrance of pattern in the classified. in addition, a new time - series pattern finding algorithm based on higher - order neural network is put forward

    同時給出了本文的具體的工作,主要是:對在時序數據序列中發現模式問題進行了描述,並介紹了一種新的趨勢邏輯表示方法,給出了其演算法及演算法的實驗結果;對時序數據進行處理,提出了利用線段的斜率反正切值作為模式識別的樣本,從而在分類時忽略模式的畸變;另外,還提出了一個新的基於高階神經網路的時序模式發現演算法。
  17. Rates of flow are represented by the slopes.

    流速由斜率模擬。
  18. On the scale, the slope of the straight line provides a measure of the standard deviation.

    在坐標上,直線的斜率代表偏差數。
  19. Phosphorus absorbed and immobilized in rhizosphere was less than that of in root zone and unroot zone. 2. the isothermal adsorption curve of each can be partition into two parts. phosphorus adsorption amount and phosphorus consistency slope in equilibrium solution are relatively higher than the slope of phosphorus adsorption amount and phosphorus consistency when fertilizer amount added increasing continuously

    土壤的等溫吸附曲線可分成兩個部分:當土壤平衡溶液濃度很低時,磷的吸附量與( x )磷的平衡溶液濃度( c )的曲線斜率較大;當施肥量不斷增加后,土壤平衡溶液濃度也會隨之不斷增加,曲線斜率變小。
  20. Higher rate of building angle

    斜率
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