radial test 中文意思是什麼

radial test 解釋
徑向檢驗
  • radial : adj 1 光線的;光線狀的。2 放射的,輻射(狀)的。3 鐳的。4 【數學】半徑的;【物理學】徑向的;【解...
  • test : n 1 檢驗,檢查;考查;測驗;考試;考驗。2 檢驗用品;試金石;【化學】試藥;(判斷的)標準。3 【化...
  1. The anti - microbial activities of crude ethanol extract from aerial parts of sophora alopecuroides and its petroleum ether, chloroform, n - butanol and water fractions of sophora alopecuroides to pythium aphanidermatum, fusarium oxysporum f. sp. cucumerinum, fusarium oxysporum f. sp. lycopersici, alternaria solani, pseudomonas pachrymans and xanthomonas vesicatoria were tested by mycelial radial growth test and agar - well diffusion

    本實驗採用帶毒平板菌絲生長法和瓊脂打孔藥劑擴散法測定了苦豆子地上部分乙醇粗提物及其石油醚、氯仿、正丁醇和水層的不同極性溶劑萃取物對瓜果腐霉、黃瓜枯萎病菌、番茄枯萎病菌、番茄早疫病菌、黃瓜角斑病菌和番茄瘡痂病菌的抗菌活性。
  2. In the interest of adapting big size in radial direction, higher precision, higher angular rigidity, less moment of inertia, higher dynamic capability in the three - anxis simulation test turntable. researching the angular rigidity of the wire race ball bearings in axes direction, the adjustment mode and adjustment quantity to shafting, and analysing the contact stress of bearings in work is very necessity

    為了適應某些模擬轉臺研製中關于剛度高,轉動慣量盡量小,動態特性要求高等特殊要求,研究鋼絲滾道球軸承的軸向支撐剛度,軸系調整方式及調整量,以及該軸承在工作中的受力及應力狀況十分必要。
  3. Running test on radial plain bearings ; general

    徑向普通關節軸承的運轉試驗.概述
  4. In this thesis hydraulic experimental studies and theoretical analyses on the vortex - flow drop shaft were conduced and the following results were accomplished : ( 1 ) in the model test some hydraulic characteristics including the shape of air core in the center of the drop shaft, the radial distribution of water flow velocity and the distribution of pressure on the wall of the drop shaft were measured under the condition of high water head above 250m and large discharge above 1400m3 / s. ( 2 ) a kind of computational method for the spiral water flow in the air core region of drop shaft was discussed and applied and the results agree the experimental data well. ( 3 ) the total ratio of energy dissipation in the drop shaft can reach 90 % and the energy dissipation in every region was discussed quantitatively

    本文通過試驗研究與理論分析對旋流式豎井泄洪洞應用於高水頭、大泄流量情況時存在的一些水力學問題進行了研究和探討,取得以下主要成果:一、結合小灣工程導流洞改建,對高水頭( 252m ) 、大泄流量( 1400m ~ 3 s )條件下旋流式豎井中的水流運動特徵進行了比較全面的測量,包括空腔形態、徑向流速分佈及井壁壓強等;二、提出了豎井空腔段螺旋水流水力計算方法,其計算結果與實測值吻合良好;三、利用試驗與計算結果,對旋流式豎井的消能機理進行了探討,對豎井各部分的消能能力有了總體認識;四、對豎井下部消力井的合理井深進行了優化試驗研究,發現消力井合理深度為0 . 9d左右;五、通過試驗研究,歸納出豎井水流總摻氣量估算方法,為導流洞排氣方案的設計提供了參考依據;六、在高水頭、大流量條件下,豎井空腔段下部流速很高,盡管水流螺旋運動引起的離心力可以確保井壁壓強保持正壓,但空化數依然較低,因此豎井的空化空蝕始終是工程界關注的重大問題。
  5. Test method for physical - chemical properties of electrical carbon product. radial mechanical strength

    電炭製品物理化學性能試驗方法.徑向抗壓強度
  6. Test method for determining the in situ modulus of deformation of rock mass using a radial jacking test

    通過徑向升高試驗測定現場巖石物質變形模數的方法
  7. Specification for the accuracy of machine tools and methods of test - drilling machines, radial type

    機床精度及試驗方法.第10部分:搖臂鉆床
  8. The object function and restriction conditions optimum design for amb ' s structures are set up. based on these results, the structural parameter design method of radial and axial amb is presented, and a test - bed of amb has been designed by the author

    根據磁力軸承結構優化設計目標函數和約束條件,推導了徑向、軸向磁力軸承結構參數設計公式,並設計了一套磁力軸承試驗臺裝置。
  9. In the test, static - dynamic method is used to measure the stiffness, the eight stiffness coefficients of the radial part and the two stiffness coefficients of the thrust part can be obtained though loading slowly to the testing bearing which is in a equilibrium position

    首先,對處于平衡位置的測試軸承分別沿水平方向、鉛垂方向及軸向緩慢施加載荷,根據靜動法原理求得各個轉速下測試軸承徑向部分內、外膜8個剛度系數以及推力部分內、外膜2個剛度系數。
  10. The flood and drought in both first stage and second stage of rainy season in fujian province were forecasted by the ways of line regression prediction equation and three kinds of artificial neural network models, the results show : the backpropagation ( bp ), radial basis function ( rbf ) and elman neural network models are much better than line regression prediction equation in historical sample fittings, independent sample test, actual prediction ability

    ( 3 )運用線性回歸預報方程和三種人工神經網路模型對福建汛期旱澇進行預測的實驗表明: bp 、徑向基( rbf )和elman這三種人工神經網路模型在歷史樣本擬合精度上、獨立樣本檢驗結果和網路模型的實際預測能力上都明顯優于傳統的線性回歸方法。
  11. Eddy - current sensor test technology is a kind of very popular untouched nondestructive test technology developed in last decades, which makes up five major modern nondestructive test technologies together with magnetic particle test, radial test, ultrasonic test and osmosis test

    電渦流傳感器檢測技術是近年來應用較廣泛的一種無損檢測方法,它同磁粉檢測、超聲波檢測、射線檢測和滲透檢測統稱為五大無損檢測技術。
  12. In this thesis the author developed a method for measuring the axial and radial deformation in triaxial test by analyzing the digital image from area ccd and correcting the errors. this method is more accurate and more convennient than traditioanal techniques, and can be used to deformation measurement for unsaturated soil specimn directely

    其基本原理是利用ccd圖像傳感器獲取土樣圖像信息,經圖像板採集、 a d轉換和預處理後送入計算機進行數字圖像處理,求出土樣在不同時間的徑向寬度和軸向高度數據,並經過系統誤差的修正,從而精確得出土樣的變形量。
  13. Test methods for the properties of piezoelectric ceramics. radial extension vibration mode for disk

    壓電陶瓷材料性能試驗方法圓片徑向伸縮振動模式
  14. Standard specification for a radial standard reference test tire

    子午線標準試驗輪胎的標準規范
  15. The measurement of axial deformation and radial deformaton of the soil specimen is very important in biaxial test

    在土力學的三軸實驗中需要對土樣的徑向和軸向變形在線測長,以便得到土的力學特性。
  16. Compared with the traditional method, the digital image processing method has many advantages in measuring the deformation of soil specimen in triaxial test, such as higher accuracy, non - contact measuring process, and undisturbed specimen. it is valid to measure the deformation in large scale. it can select the section of specimen freely to measure the axial and radial deformation directly

    應用數字圖像測量技術量測三軸試驗試樣的變形,有許多傳統測量方法不能比擬的優越性:較高的變形測量精度;非接觸式變形測量,不擾動試樣,不干擾試樣的變形;適用於三軸土樣的大變形測量;可以任意選擇測量斷面,實現三軸試樣軸向變形和徑向變形的直接測量;可以在試樣變形測量的同時用圖片的形式記錄三軸試驗的全過程,便於試驗結束以後對試樣變形的重新分析和研究。
  17. All the results of axial and radial deformation measurement by digital image processing technique and those by traditional method are compared. the differences of the soil parameters on duncan and chang ' s nonlinear model made by these two methods are analyzed. finally, a compress test results and fem results are provided to show the reasonability and veracity of digital image processing technique to study the soil stress - strain characteristic in triaxial test

    ( 2 )三軸試驗土樣局部變形研究:首先定量比較了三軸試樣沿高度方向不同位置的局部變形(局部徑向變形與局部軸向變形)大小,分析了三軸試樣局部變形的特點和影響因素;然後把三軸試樣數字圖像測量結果與傳統測量結果進行比較,以鄧肯張非線性模型為例進行了模型參數的整理,分析了兩種不問測量方法引起的參數差異:最後用原型壓縮試驗對比有限元數值計算結果,驗證了數字圖像測量方法得到的三軸試驗土體應力應變參數的合理性和準確性。
  18. In the process of the software development of well test interpretation, a method for early - stage ( pure wellbore storagy, fracture linear flow, fracture - formation dual linear flow ) and radial flow stage parameters interpretation is proposed

    摘要在試井資料解釋軟體開發過程中,提出了求解早期段(純井簡儲集、裂縫線性流、裂縫地層雙線性流)和徑向流段解釋參數的解釋方法。
  19. Rotary shaft lip type seals for automobils ; test ; radial force measuring instrument digital

    汽車用唇型旋轉軸密封件.第9部分:試驗.數字式徑向力
  20. In this paper, based on the theory of radial - thrust floating ring hybrid bearing, the dynamic characteristic test for this kind of hybrid bearing is accomplished on the self - made test stand, the dynamic characteristics of the testing bearing are got, and the dynamic characteristic coefficients of the thrust part of the bearing are measured for the first time, the result of the test is compared with the theoretical calculation

    本文是在徑向?推力聯合浮環動靜壓軸承理論研究的基礎上,利用自製的實驗臺完成了對該軸承的動特性試驗研究,首次得到了測試軸承的動態特性,並將實驗結果和理論計算進行了對比。
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