evolution curve 中文意思是什麼
evolution curve
解釋
演化曲線-
Both the annual banding growth rate curve and grey level curve show the evolution processes of the precipitation over the past 2000 years this region and that divide into seven dry / wet cycles
石筍紋層厚度和灰度曲線比較清晰地揭示了本區過去2000年降水演化過程，可劃分7個干濕旋迴。 -
In this paper, thermal evolution history of organic matter of the source rocks and hydrocarbon generation history have been researched by tti method, hydrocarbon migration direction and migration times were probed combining with the area structure development feature ; distribution pattern of the main reservoir intervals on lateral and longitudinal have been predicted by researching on development feature and control factors of the reservoir intervals, the actions of reservoir conditions in hydrocarbon accumulation and bearing also were probed combining with pore evolution feature ; the micro - pore feature of regional cap and direct seal in carboniferous - lower triassic in this area have been determined with micro - capillary pressure curve and intrusive mercury curve ; the prospecting districts have been pointed out combining with the hydro - geologic feature, the potential reservoirs were classified according to trap types in this area, the author attempt to evaluate on the hydrocarbon - bearing condition in the str ata of carboniferous ~ lower triassic from hydrocarbon generation and migration reservoir condition, reserved condition etc, and predict the reservoir types and hydrocarbon - bearing patterns combining with the structure evolution. based on above, the author point out that the central block of chenghu - tuditang synclinorium and the southern block of dangyang synclinorium are the advantageous regions for exploration
本文用tti方法研究了烴源巖有機質的熱演化史和油氣生成史，並結合區內構造發育特徵，探討油氣在區域上的運移方向和在時間上的運移期次；通過對儲集層段的發育特徵和控制因素的研究，預測了本區主要的儲集層段在橫向上和縱向上的分佈規律，並結合孔隙演化特徵，探討儲集條件在油氣聚集成藏中的作用；利用微毛細管壓力曲線法和壓汞法，對石炭系?下三疊統的區域蓋層和直接蓋層的微孔隙特徵進行了定量評價，並結合水文地質分佈特徵，指出有利於油氣保存的地區；根據區內存在的各種圈閉類型，對可能存在的油氣藏進行了分類，並試圖從油氣的生成與運移、儲集條件、保存條件等方面，動態地綜合評價石炭系?下三疊統油氣成藏條件，並結合構造演化特徵，預測其油氣藏類型和成藏模式。 -
This paper also discusses the strontium isotope evolution curve published over the world, present strontium isotope results of the section of cambrian in xiushan of chongqing
本文評述了國際上已有的寒武系海相碳酸鹽的鍶同位素演化曲線，公布了重慶秀山寒武系海相碳酸鹽的鍶同位素分析結果。 -
For the cathodic process it is likely that there exists a coupling between ni2 + discharge and hydrogen evolution. hydrogen evolution on working electrode should have masked the nickel ion reduction peak in lsv curve
對于陰極過程，鎳離子放電和氫氣析出過程存在耦合，氫氣的析出可能掩蓋了線性電位掃描曲線上鎳還原的電流峰。 -
It is indicated that the hydration process of cement - based materials with slag, fly ash and silica fume is different in some degree from that of neat cement because of the difference in mineral structure and hydration mechanism. the periods of accelerating, decelerating and terminating are prolonged and hydration reaction decelerates. the second peak of rate curve of the heat evolution could be divided into two small peaks, which are contributed to the hydration of clinkers and mineral mixtures at the temperature of 30 but when temperature comes to 50, the two small peaks combine into one and the reaction accelerates
結果表明，與硅酸鹽水泥相比，由於礦物摻合料與水泥熟料在活性和水化機理上的差異，水化歷程有較大的改變：多組分體系誘導期、加速期和衰減期延長，水化反應速率明顯降低；低溫時，水化放熱速率曲線上的第二放熱峰細化成分別對應于熟料和礦物摻合料水化的兩個小峰；高溫時，反應速率加快，雙峰合併；進一步研究發現，摻合料的種類與摻量對水化歷程也有較大的影響；建立了適用於多組分水泥基材料不同水化階段的水化動力學方程。 -
In some time - critical situation, continuous ssi is computation bottleneck of some solid modeling system. conventional approach for solving continuous ssi often uses intersection algorithm iteratively without taking the characteristic of the surface into account to simplify computation. the dissertation analyzes the intersect curve structure of continue surface, from the point of intersect curve ' s evolution, it describes the relationship between topology of offset surface intersect curve and topology transmit point ( ttp )
等距曲面和運動曲面在cad cam領域中有著重要的應用，在一些時間敏感場合例如數控加工動態模擬，等距曲面和運動曲面等連續變化曲面求交運算已成為這些系統的計算瓶頸，連續變化曲面求交問題的通常解法是採用曲面求交演算法反復迭代計算交線，沒有考慮連續變化曲面交線之間的相似性進行求交簡化，效率上一直不能有很大的提高。 -
Using this program, we can estimate ds and draw deformation curve conveniently. moreover, we can estimate the tendency of the curve evolution
應用該程序可方便地預估動穩定度值，獲得車轍試驗變形曲線，進而估計車轍變形發展趨勢。 -
First according to the fact that tangential components of the evolution do not affect the geometric shape of the evolving curves, we introduce the evolution equation of geometric quantities for the general planar curves. then we describe the work of gage - hamilton briefly. last we consider a special curvature flow of curve which evolves with speed function of the principal curvatures along the inner norm and show that convexity of the curve is kept and its length and area are contracted if the initial closed curve is smooth and convex. so the final shape of the curve will be a point in finite time
首先根據曲線在切向分量上發展是不影響曲線的發展形狀，我們引入了曲線的一些幾何變量的發展方程；其次我們簡要地回顧gage - hamilton研究曲線發展的一般步驟；最後我們考慮沿曲線的內法線以曲率的函數為發展速度的一類特殊的曲線族，證明了在初始曲線為凸的閉平面簡單曲線條件下，曲線將保持凸的，並且它的面積和周長將同時收縮，並在有限時間內成為一個點。 -
A developed simple m - s model for image segmentation in geometric active contour model is presented based on intra - region similar and inter - region dissimilar properties. the model constructs an energy ( cost ) function, which is made of intra - region variations and weighting squares of subtraction of region mean values. using gradient - descent methods, the energy function is minimized and we get a curve evolution equation that segments image
基於區域內一致性加權區域間差異性構造能量函數，利用最陡梯度法使能量函數最小化，提出了一種改進的簡化mumford - shah （ m - s ）圖像分割模型，該模型利用區域內方差描述區域內一致性，區域間平均灰度值之差的平方描述區域間差異性，實驗結果表明，通過調節加權系數，該模型對弱邊界圖像分割具有較強的適應性。 -
After a novel speed function based on local gradients of differencing image, object variances and background variances was defined, an improved evolution equation for segmentation curve was obtained, and then different moving objects were segmented
定義了一種新的基於差分圖像的局部梯度、目標的方差和背景的方差的速度函數，得到了改進的分割曲線的演化方程，分割出不同的運動目標。 -
Based on the constitutive relationship coupled microstructure evolution, 3d - fe simulation of isothermal forging process of tc6 titanium alloy disc is performed dealing with different deformation temperature, punch velocity and shear factor of friction, effect of process parameters on equivalent strain, equivalent stress and grain size is calculated, and load - displacement curve is calculated
本文基於微觀組織演變的本構關系模型，對不同變形溫度、凸模速度和摩擦條件下鈦合金盤的等溫鍛造過程進行了三維數值模擬，研究了變形工藝參數對等效應變、等效應力和晶粒尺寸的影響，計算了各變形條件下的位移?載荷曲線。 -
The oxidation curve and sem images show that the oxygen evolution at the interface plays a key role in the transition from the compact al oxide layer to the porous membrane
分孔道的產生說明析氧反應不但在緻密膜電解液界面發生，而且在多孔膜孔壁電解液界面也同時發生。 -
During the solution of the level - set equation, a condition controlling the curve evolution to stop on the object boundaries was set, and the moving object boundaries were achieved
在水平集的求解過程，設定了控制演化曲線最終停止在目標邊界上的條件，得到了運動目標的邊界。 -
Samples for strontium isotopic screened were selected by way of the test of cathodoluminescence, observation of thin sections, and analysis of sr and mn. the mn / sr value of all samples presented in this paper are less than 2, and the cathodoluminescence is dull, however, the samples from the cambrian underwent diagenetic alteration to a certain degree, and the plotted points of the thickness and 87sr / 86sr value are somewhat discrete. the strontium isotope evolution curve drawn from the data with relatively low 87sr / 86sr value are consistent with other curves based on samples from different areas of the world, supporting the notion of global consistency of strontium isotope composition of marine carbonates
根據鋸同位素地層學的基本原理，利用已有的鋸同位素演化曲線，筆者確定重慶秀山寒武系剖面寒武系底界、下一中寒武統界線和中一上寒武統界線都應適當下移；另外嘗試確定了重慶秀山寒武紀剖面一些關鍵點的年齡，累積厚度1380m處的年齡為503 ? 509ma ，累積厚度1900m處的年齡約為500ma ，這對秀山寒武系剖面下、中寒武統和中、上寒武統界線的確定具有參考價值。 -
At last, take a three - storeyed and two - span reinforced concrete frame as example, its damage value under cyclic load at different time is computed by the program. and the damage evolution curve of different element and whole structure is also obtained. as result the damage evolution law of reinforced concrete structure under cyclic load is found, which provides basis for the study of collapsing mechanism of reinforced structure under seismic force
最後，以一個三層兩跨的鋼筋混凝土框架為例，應用作者自編的程序計算了循環荷載作用下該框架結構在不同時刻的損傷值，並給出了其不同構件及整體結構的損傷演化曲線，揭示了循環荷載作用下鋼筋混凝土框架結構的損傷演化規律，為地震力作用下鋼筋混凝土結構的倒塌機制問題的研究提供了依據。 -
The technical system evolves over time, which process parallels the micro - evolution of biological systems and illustrates the life cycle stages of child, growth, maturity and decline. what evolves is the characteristic index of the technical systems whose improvement is shown by a s - curve on the time - scale
技術系統處于不斷的進化過程中，其進化過程類似於生物的成長過程，要經歷嬰兒期、成長期、成熟期和退出期四個階段，在時域上表現為特性參數沿s -曲線的增長。 -
Gacm is based on the theory of curve evolution and level set
短程線主動輪廓模型的實現是基於曲線演化理論和水平集（ levelset ）方法。
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