good gradient 中文意思是什麼

good gradient 解釋
平緩坡度
  • good : adj (better; best ) (opp bad)1 好的,良好的;漂亮的,優美的。2 愉快的,幸福的。3 善良的,有品...
  • 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。
  1. The obtained polysilane - polyacrylate gradient films showed no macro - interface with the silicone content reducing gradually from the top surface to the bottom one. dma thermograms indicated that polysilane - polyacrylate gradient films contained two glass temperatures with their bands drifting from and their range extending much from each component. the good properties of waterproof, calorifics, and ultraviolet - absorption were also determined by dsc, uv and water contact angle measurements

    結果表明:有機硅聚合物-聚丙烯酸酯梯度膜有一個較寬的玻璃化轉變溫區,玻璃化轉變范圍相對組分材料的玻璃化轉變范圍發生了擴展:有機硅聚合物-聚甲基丙烯酸酯梯度膜具有較好的熱學性能;硅含量的提高有利於改善膜層的憎水性能和紫外吸收性能。
  2. Also the theoretical basis of the method have been checked through simple deducing simulation and the influences of various physical parameters on the method have been studied. it is shown that the method is theoretically reliable for the production oil wells without very high production rate and is more suitable in field production for oil wells ( i ) in area with bigger geothermal gradient ; ( ii ) producing fluids ( oil and water ) with distinguish thermal characteristics ; ( iii ) producing oil with lower heat capacity or water with higher heat capacity ; ( iv ) with good surface measurement accuracy, as well as the method h as certain requirements on the accuracy of the temperature and flowmeter logs sensors

    就該產出剖面方法的理論基礎進行了簡單的正演模擬和可能影響該方法的各項物理參數進行了全面的考察,結果表明,該方法對于非高產的生產油井來說在理論上是可靠的,在實際生產中適合於( 1 ) 、油井所在地區地溫梯度較大的油井; ( 2 ) 、油水熱特性差別較大的油井; ( 3 ) 、油比熱容值偏低水比熱容值偏高的油井; ( 4 ) 、井口計量精度較高的油井,並且對井溫測井和流量測井的傳感性精度有一定的要求。
  3. If increasing drawing interval, the movement and flow range of top coal will enlarge, and the velocity gradient on flow cross - section will diminish, so that it is good for controlling the flow rate of thin sand among loose top coal

    研究表明,加大放煤步距,頂煤運移流動的范圍變大,流動斷面內速度梯度變小,有利於控制細砂的下竄速度。
  4. The conclusion of ca was in accordance with the result of survey, so ca is a good tool for gradient analysis and ordination of unknown community

    聚類結果與實際調查相符,由此說明ca方法能夠對未知群落進行較好的分類和排序。
  5. Through the thermodynamic analysis for the sandstorm weather according to the simulated potential temperature, potential vorticity field, it is found that this sandstorm weather occurred in the condition of the atmospheric stratification stability, the area of the high potential temperature value and the potential temperature gradient have a good corresponding relationship with the surface cold air and cold front, so are the strength of potential vorticity and the different developing stage of sandstorm

    利用輸出的位溫、位勢渦度場,對沙塵暴天氣進行熱動力條件分析,發現本次沙塵暴天氣發生在大氣層結穩定狀態下,位溫大值區及位溫梯度與地面暖低壓的強弱和移動有著很好的對應關系,位渦的水平分佈特徵和強弱變化對沙塵暴的出現時間和落區有一定的指示意義。
  6. Teamaster space cup has good seal performance, and cover sealed with gradient interlocking structure, watertight and odorless, also it is easy to carry

    茶瑪仕太空杯,密封性能好,杯蓋採用錐度咬合結構密封,不漏水,無任何異味,便於攜帶
  7. The equation is y = a ebx, the interrelated coefficients are all larger than 0. 95 ; when the rainfalls are close, the volume of the surface runoff increases with the intensity of rainfall and the volume of the surface runoff is remarkable related with the maximum rain intensities of 30 minutes ; with the effect on rain harvesting acreage, the cover rate of the plants, the gradient, and the average soil thickness, the cover rate of the plants and the average soil thickness are the important factors which can affect the volume of rain harvesting. and the average soil thickness is the dominant factor. in order to get good result, we must choice the slope which the cover rate of the plants is low and the average soil thickness is thin, meanwhile increase the rain - harvesting acreage

    太行山片麻巖區坡面集雨規律及集雨技術:集雨量與降雨量呈顯著正相關,並且在降雨量大於17 . 6mm時,集雨量隨降雨量的增加呈指數形式增加,擬合方程為y = ae ~ ( bx ) ,相關系數均大於0 . 95 ;降雨量相近的條件下,徑流量隨降雨強度的增大而增大,且在片麻巖山地, 30min最大雨強是影響產流的關鍵因子;在集雨面積、植被覆蓋度、坡度以及平均土層厚度等因素的共同影響下,植被覆蓋度和平均土層厚度是影響集雨量多少的主要因素,其中平均土層厚度是主導因素;而要想取得良好的集雨效果,必須在選擇植被覆蓋度低、坡面土層厚度薄的坡面的同時,加大集雨面積。
  8. Compare the measured velocity profile and analytical solution of poisoeullie flow shows a good agreement within the most part of the measured region, while the value of the former is higher near the wall resulting from the combined effects of strong flare light and velocity gradient polarization

    把獲得的測量結果和解析解的泊肅葉流動速度廓線進行比較后發現,在從流動中心到近壁面的大部分區域,兩者吻合良好,在近壁面區域,由於示蹤粒子和壁面碰撞以及壁面反射光等原因,測量值大於解析解。
  9. Analyses of the monitored seepage data of the sand case dam with clay core of jilihe reservoir show that the impervious effect of the clay core is good, that the blanket in the front of the dam has little impervious effect, and that seepage failure will probably take place because of the weak cutoff groove and the large seepage gradient

    摘要對吉利河水庫粘土心?砂殼壩的滲流觀測資料分析表明,該壩粘土心?的防滲效果較好,但壩前鋪蓋沒起到防滲作用,且截滲槽較薄弱,滲透比降較大,可能發生滲透破壞。
  10. It was showed that dlc gradient film material had a good stability of hemocompatibility, for its surface almost had no changes. in comparison, the hemocompatibility of t16a14v became worse since its surface had been heavily scratched and dense oxide films on its surface had been destroyed. fratal theory and image processing method had been applied to calculate the fratal dimension of tribological surfaces furthermore to elavuate the surface morphology and roughness

    摩擦表面具有多尺度相似性和隨機性的特點,採用分形幾何理論描述表面的粗糙程度及形貌特徵,三維表面的分形維數可以作為一種尺度無關的粗糙度評定參數,利用圖象處理方法,通過材料表面的掃描電鏡sem圖象灰度數據來計算三維表面的分形維數。
  11. 2. on the basis of analyzing experimental data for slope land of loess plateau in different slope gradient and rain intensity and soil and water conservation tillage measures, using curve - fitting techniques, a soil infiltration rates model was woke out, the accuracy of the model is tested by a series of experiment data, the result of these indicate that the soil infiltration rates model is accurate and has good stability for slope land of loess plateau. 3. using soil infiltration rates and runoff time and wetting frontal surface depth of soil infiltration reflect effect of factor affecting soil infiltration rates

    ( 3 )採用土壤穩定入滲速率、坡面開始產流時間、土壤濕潤鋒面下滲深度三個指標來反映坡耕地土壤入滲影響(土壤性質、土壤初始含水率、地面坡度、降雨強度、積水深度、水土保持耕作措施等)因素效用大小,建立了各因素與三個指標的關系模型,詳細分析了不同水土保持耕作措施強化土壤入滲的影響,其中等高耕作作用最為顯著,其次是人工掏挖和人工鋤耕。
  12. Moreover, there are good fitted power function relationship between thermal conductivity and soil water content, soil water suction and salt concentration. meanwhile, based on the measured data of soil water content and soil temperature distribution under temperature - controlled conditions, according to philip ' s empirical equation, through difference method, the water diffusivity under temperature gradient was calculated, which can be expressed as a power function of temperature

    此外,研究表明,導熱率與土壤含水率、土壤水吸力、含鹽濃度之間均存在良好的冪函數關系;在取得一定溫控條件下的土壤水分與溫度分佈實測資料的基礎上,根據philip經驗方程,通過差分法計算得出溫差作用下的水分擴散率,該參數可表示為溫度的冪函數形式。
  13. And with the results of calculation obtained by the first - order gradient algorithms which is initial value of the neighboring extremal algorithms we can transform the problem into a face to point one, then a good result is attained by the neighboring extremal algorithms. in the end, the course of orbit transfers is depicted

    利用梯度法對兩點邊值問題進行計算,將面對面的問題轉化為一個點對點問題,將所得結果作為鄰近極值法的初始值並進行精確計算。最後,描繪了最優變軌過程。
  14. After that a good renature result was obteined using gradient with lower protein concentration. the purity of the recombinant protein by affinity - purification of glutathione sepharose 4b and electrodialysis method was also attained perfect result. the antigenicity of the gst - ha1 protein were identified using elisa mathod

    用梯度透析法對變性的融合蛋白gst - ha1進行復性,在低蛋白濃度的條件下,獲得了很好的復性結果,復性前蛋白濃度為1 . 02mg ml ,復性后蛋白濃度為0 . 875mg ml 。
  15. The coupled turbulent flow field and temperature field are simulated by finite element method ; the influence of casting speed on the turbulent flow field and temperature field in the melting bath and the interaction between those two field are analyzed ; the variation tendency of the heat flux intensity between the melting bath and casting roll and law of variation with changes of casting speed in the process of solidification are given ; a comparison between the simulation results and experimental results demonstrates their good agreement ; and the mechanism of the heat flux variation is identified by analysis on the temporature gradient and development of solidification within the melting bath and its influence on the variation of the heat flux intensity

    採用有限元法模擬了雙輥鑄軋不銹鋼過程的流熱耦合問題;分析了鑄軋速度對熔池內流場、溫度場的影響以及流場與溫度場之間的相互影響;給出了凝固過程中熔池與鑄軋輥之間的熱流密度變化趨勢及隨鑄軋速度的變化規律,並把此模擬的結果與試驗的結果相比較,吻合較好;通過熔池內溫度場及溫度梯度分析了熔池內凝固的發展及其對熱流密度變化的影響。
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