gradient test 中文意思是什麼

gradient test 解釋
階度試驗
  • gradient : adj. 1. 傾斜的。2. 【動物；動物學】步行的，能步行的。n. 1. 〈英國〉（道路的）傾斜度，坡度，坡路。2. 【物理學】梯度，陡度，（溫度、氣壓等的）變化率，梯度變化曲線。
  • 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. In the first trial, combination of enzymatic digestion was used to prepare suspensions of spermatogenic cells from adult mouse testis, and then a modified discontinuous percoll gradient centrifugation method ( 15 %, 22 %, 30 %, 40 %, 50 %, 60 % ) was introduced to isolate spermatids from the cellular suspensions. the content of spermatids in each isolated fraction by percoll method was determined by morphology ( wright - giemsa stain ) and flow cytometry analysis, and the viability of spermatogenic cells was assessed by using eosin y exclusion test

    在第一部分試驗中，首先利用連續3次組合酶消化成年小鼠睪丸制備睪丸細胞懸液，然後經6層非連續percoll梯度離心法（ 15 、 22 、 30 、 40 、 50和60 ）分離，通過形態學和流式細胞術鑒定南京醫科大學碩士學位論文各個percoll組分中精子細胞的含量，並以伊紅y排斥試驗測定細胞的存活率。
  2. Test and analysis on the indoor temperature gradient of low - temperature hot water floor radiant heating

    低溫熱水地板輻射供暖的室內溫度豎向分佈的測試與分析
  3. Surrounding these special problems met in gas hydrates exploration and through study of high - precision magnetic survey, the sea test by r / v haiyang 1y that is owned by guangzhou marine geological survey in dongsha area of the south china sea, systematical analysis of the test result and combination interpretation of magnetic survey with seismic profile, the authors successfully employ the method to recognize the truth or false of the diapir in seismic profile by integrating total field of high - precision marine magnetic measurement with its gradient change

    本文就目前天然氣水合物調查中存在的這些特殊技術問題，通過對海上高精度磁力測量技術方法研究、廣州海洋地質調查局「海洋四號」船在南海北部東沙海域的海上試驗、對試驗結果的系統研究分析以及磁測和地震剖面兩種手段的綜合解釋，成功地嘗試了用高精度海洋磁測成果中的磁力總場和梯度變化特徵來識別水合物勘探中高解析度地震剖面上的泥底辟構造真偽的技術方法。
  4. Bi - material interfacial fracture theories are researched with a phenomenon that cracks extend along interface. a gradient invading model of interface crack at the crack tip can gain stress fields along interface. so a formula of energy release rate for 3d braided cmc is deduced and the corrected formula of the energy release rate is examined with test results

    研究了裂紋沿界面擴展的雙材料界面斷裂理論，利用傾斜侵入界面的裂紋模型解析了裂紋尖端沿著界面的應力場，推導了表徵三維編織cmc復合材料斷裂韌性的能量釋放率公式g _ c ，並且用試驗結果驗證了能量釋放率公式的正確性。
  5. Test method for identification of textile fibres. density gradient column method

    紡織纖維鑒別試驗方法密度梯度試驗方法
  6. If the soil water content is gradually added from very little value, the value of water content gradient resulted from temperature gradient first is lower, then bigger and finally lower. based on the test data, a linear regression equation about temperature and water content is got. after deciding the temperature and moisture distribution of the soil samples, the problem of coupled thermal and moisture is discussed, the temperature distributions show that the heat - conducting coefficient is related to the density and water content

    由溫度場的分佈可以得到：在溫度梯度的作用下，導熱系數是變化的，而導熱系數沿長度方向的變化，使得穩態溫度場沿長度方向成非線性分佈；密實度對溫度場分佈的影響是干密度越大導熱系數越大；初始含水量對溫度場分佈的影響是含水量增大，導熱系數也增大，達到最大值后，含水量增加導熱系數反而減少，含水量對溫度場的分佈有顯著的影響。
  7. Standard test method for measuring the soil - geotextile system clogging potential by the gradient ratio

    用降比法測量土壤-土工織物系統可能阻塞的標準試驗方法
  8. In this paper, a image processing method has been presented, with this method mean temperature of testing object can be arrived at from infrared picture and the interior temperature gradient of the test pieces in the situation of transient heat transfer can be got. unsteady - state heat transfer mechanism of wall has also been studied in this paper. on the basis of theoretical analysis and experimental study we can get such conclusions : infrared testing of energy conservation of buildings is rapider and more accurate than heat - flow meter method which is popular at present ; heat transfer mechanism in the situation of unsteady - state heat transfer has been analyzed through experiment ; the interior layers ’ temperature of the test pieces ascent in company with

    本文在理論分析和試驗研究的基礎上得出以下結論:本文研究的紅外檢測建築節能的方法比目前存在的熱流計法更快速、更準確;用試驗分析了墻體在非穩態傳熱情況下的傳熱機理;試件各層溫度隨著受熱面環境溫度的上升而上升，只是上升的程度不同，響應時間不同，這是由於試件內部有一個蓄熱過程;通過傳熱理論和建築熱工計算推導出了非穩態傳熱情況下的傳熱系數的計算公式;本文用matlab進行紅外圖片的處理，進而得到被測物的平均溫度;用數據處理軟體擬合溫度熱流。
  9. The test technique of the self - shield gradient coil system for 0. 2 t open - style permanent magnet mri

    開放式永磁型核磁共振成像儀自屏蔽梯度線圈系統的測試技術
  10. Based on the papers [ 10 ] and [ 19 ], we propose a new nonmonotone conjugate gradient algorithm, prove its convergence and test the new nonmonotone algorihm

    基於文獻[ 10 ]和[ 19 ] ，我們提出了一種新的非單調共軛梯度演算法，證明了新演算法的收斂性，並對它進行了測試。
  11. In this thesis, with eight events of artificial water - washing test on five different slope gradients, factors affecting soil potassium loss by erosion, such as slope gradient, rain intensity, vegetation coverage, and amount of rainfall are discussed

    本文通過在5個不同坡度徑流小區進行的8次人工模擬沖刷試驗，探討了坡度、放水沖刷強度、植被和降雨量等因素對土壤鉀素徑流流失的影響。
  12. Test results show that the formation of protective nut by laser welding have narrow heat affect zone and minimum organization grow up inclination, gentle hardness gradient, and the protective cover is nearly not out of shape

    研究結果表明，防護螺母激光焊接成形具有最窄的熱影響區和最小的組織長大傾向，硬度梯度平緩，且防護罩幾乎沒有變形。
  13. Standard test method for strain gradient measurements of thin, reflecting films using an optical interferometer

    用光學干涉儀測量反射薄膜應變梯度的標準試驗方法
  14. The article quantitatively analyses the winter hot air ' s distribution regulation in the human work region and reveals the regulation of temperature gradient forming and change and the influence to human thermal comfort. after test research, it clarifies the thermal characteristic regulation of indoor environment in winter air condition room. the mainly characteristic regulations are the over - great vertical temperature gradient and the over - low mean radiation temperature of air condition room

    本文對現有實際空調房間冬季熱射流在人體工作區的規律做出定量化分析，揭示了其溫度梯度形成變化的規律及對人體舒適的影響，經過測試研究明確冬季空調房間室內環境存在的熱特性的規律，其中房間的垂直溫度梯度過大、空調房間的平均輻射溫度較低是其主要熱特性規律。
  15. Constant gradient consolidation test

    室內土工試驗等梯度固結試驗
  16. The scheme has a novel feature that the extraction location of the tracer is not fixed at the center location of the grid, but first optimized at the location where the gradient is maximum in the grid domain, and then by cumulonimbus and uniformity test, the final tracers can be decided

    該演算法的特色是反演風的位置並不固定在反演網格的中心位置，而是通過梯度分析的方法使反演風的位置得到優化，再經過積雨雲檢測和灰度分佈均勻程度檢驗，剔除不適合用來反演的目標物。
  17. Test method for density of plastics by the density - gradient technique

    密度梯度技術測定塑料密度的方法
  18. Standard test method for density of plastics by the density - gradient technique

    用密度梯度法測定塑料密度的標準試驗方法
  19. The method has special obvious advantages to diagnosis the faults when several faults exist simultaneously. the paper constructs a three - layer forward neural network to diagnosis the fault and trains the network with characteristic eigenvectors extracted through the wavelet packet analysis, when training the net using the method of adding inertia item and the bp algorithm of conjugate gradient method, at the same time adapt the initial data of the network through the test

    同時，文中還構造了三層的前向神經網路，以小波包分析提取的故障特徵向量作為網路的訓練樣本數據，採用加慣性因子、共軛梯度法和迭代過程中改變學習率的反向傳播演算法來對神經網路進行訓練，並採用試驗的方法調整神經網路的初始值。
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