The regression formula is used to predict values in the time series 該回歸公式用于預(yù)測時序中的值。
The viewer displays a regression formula at each leaf in the tree 該查看器在樹的每個葉上均顯示一個回歸公式。
Real application indicates that multiple regression formula can have high accuracy during short - term predication with high application value 實際應(yīng)用表明,建立的多元回歸公式在短期預(yù)測時達到了較高的精度,具有較高的應(yīng)用價值。
Last , two examples , of the response of a bridge with the lead - rubber bearing , were designed and analyzed based on the conclusions and the regression formula from this dissertation 最后,運用本文得出的結(jié)論及回歸公式設(shè)計鉛芯橡膠支座,并進行鐵路簡支梁橋、城市輕軌連續(xù)梁橋的地震響應(yīng)分析。
Grounded on a comprehensive discussion of the effects of tonnage , loading condition , ratio of water depth to draft and tugboat power , the thesis puts forward the assessment curves as well as the regression formulae 詳細討論了船舶排水量、裝載狀態(tài)、水深吃水比和拖輪功率與極限航速的關(guān)系,并給出極限航速估算圖譜以及相應(yīng)的回歸公式。
Two methods are used to calculate the organic carbon content : overlay technique for acoustic slowness curves and resistivity curves ; the regression formula of organic carbon content and log responses obtained from experiments 應(yīng)用以下2種方法計算地層有機碳含量:聲波時差與電阻率曲線重疊法;根據(jù)實驗結(jié)果建立的有機碳含量與地層測井響應(yīng)的回歸方程。
Furthermore formulas of pressure loss are summarized based on trapezoid cell , this approach may be applied to study the mechanism of dissipative energy in other labyrinth emitters , and those regression formulas are tested through experiments 總結(jié)出以梯形單元為模塊的水頭損失公式,為研究其它迷宮滴頭的消能機理提供了有效方法;通過試驗驗證了回歸公式的可行性和準(zhǔn)確性。
0 , respectively . the regression analysis shows that the velocities are liner relationship related to porosity and clay content . using such regression formula to sonic logging data indicates that the coefficients of the formula should be determined by statistical method about specific area , instead of fixed values 回歸公式應(yīng)用于聲波測井資料的結(jié)果顯示,對于特定的地區(qū),巖石波速和孔隙度泥質(zhì)含量關(guān)系的具體表達式應(yīng)從井資料經(jīng)統(tǒng)計分析得到,沒有一個統(tǒng)一的公式適用任何地區(qū)。
This paper demonstrates ultimate stress increment of unbonded tendons can be composed of approximate elastic deformation along the elements and local plastic deformation by nonlinear analysis on the unbonded partially prestressed concrete continuous structures . referring to the rule of ultimate stress increment of unbonded tendons at every load case , a regression formula of ultimate stress increment of unbonded tendons based on elastic - perfectly plastic model has been presented for engineers to calculate ultimate stresses of unbonded tendons in prestressed concrete multi - span continuous structures 考慮在各種荷載工況作用下無粘結(jié)筋極限應(yīng)力增量的變化規(guī)律,并與理想的彈塑性模型相比較,最終得出以理想彈塑性模型計算各種荷載工況作用下無粘結(jié)筋極限應(yīng)力增量的回歸公式,從而為預(yù)應(yīng)力混凝土多跨連續(xù)結(jié)構(gòu)的無粘結(jié)筋應(yīng)力設(shè)計計算提供有益的參考。
The comprehensive geological characteristic has been fully studied in this paper . on the basis of this , closely combining production practice , the favorable gas developing regions have been determined with the methods of sedimentary facies and combination of generation , reservoir and caprock , and logging parameters interpretation maps and regression formulas have been established with logging data , as well as reprocessing , interpretation and identification of gas reservoir have been done with computer . integrating the information and results of geology , logging , testing and geophysics , the gas reservoir distribution regularity of structure of no . 1 sebei has been described and reserves in place of no . 1 ' sebei gas field have been recalculated , which have provided a basis for next step of development in research area 在近十多年,通過提高地震資料處理精度、淡水聚合物泥漿的應(yīng)用、數(shù)字測井技術(shù)的運用、并加強了低電阻層和差物性層的試氣及氣田擴邊鉆探,大大提高了對氣層的識別,大量增加了氣層的層數(shù)和厚度,擴大了氣田的含氣面積,使氣田儲量通過多次復(fù)查核算仍在不斷增加本論文充分研究了青海澀北一號氣田天然氣地質(zhì)綜合特征,并以此為基礎(chǔ)緊密結(jié)合生產(chǎn)實踐,應(yīng)用沉積相與生儲蓋組合等方法確定氣藏有利發(fā)育區(qū)帶,應(yīng)用測井資料建立測井參數(shù)解釋圖版并回歸公式,應(yīng)用計算機重新處理、解釋和識別氣層,綜合地質(zhì)、測井、試井、物探等多方面信息與成果,描述了澀北一號構(gòu)造的氣層分布規(guī)律,重新計算了澀北一號氣田的地質(zhì)儲量,為研究區(qū)下一步開發(fā)提供了依據(jù)。