密度分布曲线
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为了准确模拟爆炸波,首先通过有限体积法求解轴对称N-S方程计算了爆炸波流场,分析比较了数值干涉图和实验干涉图以及数值计算和实验得到的三个截面的密度分布曲线。
First , the flow field of axisymmetric blast wave is simulated by solving the axisymmetric N-S equations using finite volume numerical method . The numerical interference pictures and the experimental interference pictures are analyzed and the profiles of numerical and experimental density distributions at three cross sections are compared .
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抗蚀剂越薄,电子的沉积能量密度分布曲线越陡峭。
The thinner the resist film is , the sharper the curve of energy deposition distribution is .
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通过干涉照片获得了流场中六个截面的密度分布曲线,同时从阴影照片上测量出弓形激波的归一化脱体距离为0.046。
The normalized separate distance ( 0.046 ) of a bow shock wave is measured from the shadow photo .
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并将仿真杂波概率密度分布曲线图和功率谱密度曲线图分别与理论曲线比较,仿真结果验证了本文提出的杂波仿真模型和算法的有效性。
The simulation curves of the clutter probability density function and the power spectral density are compared with the theoretical curves .
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实际平压法生产中,板坯的背表面首先受热使得传热开始于背表面,剖面密度分布曲线均为不对称马鞍形。
In the actual production , heat transfer first begins from back surface , madding the Vertical Density Profile curve into asymmetric " saddle " .
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同时,通过混合体系单体密度分布曲线和嵌段的连接点分布曲线,从理论上分析了混合体系中单体分布的细节。
Meanwhile , this paper utilizes the monomer density distribution profiles and block junction distribution profiles to analyze the monomer distribution details in the mixture systems .
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基于某粉末冶金材料的力学性能试验结果,结合专家经验、同类产品信息和现场数据,得到了该材料的蠕变寿命和疲劳寿命在不同温度下的概率密度分布曲线;
Based on the mechanical test results of a powder metallurgy material , the probability density function curves of the creep / fatigue life at different temperatures are obtained by use of expertise , together with information and actual data of similar materials .
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和完全空间相干情况的数值结果相比,空间相关度使得能量密度分布曲线加宽、极值减小。
Numerical result shows that , compared to the spatially fully coherent case , the spatial correlation degree leads to an increase of the width and a decrease of the peak value of the energy density distribution at the focal plane . 2 .
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从功率密度分布曲线可看出低阶奇次包层模式与纤芯模式的耦合要强于低阶偶次包层模式与纤芯模式的耦合,消光系数引起的功率损耗较小。
From the distribution curves of power intensity it could be seen that the coupling between the low-order odd cladding modes and core mode is stronger than that between the low-order even cladding modes and core mode , and the power loss caused by the extinction coefficient is small .
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结果表明,随着钪含量的增加,概率密度分布曲线图逐渐向左移动,峰值越来越大,晶粒的尺寸越来越小,分布范围也逐渐缩小,并且集中度明显增高。
The results showed that with the Sc content increased , the probability density distribution curve gradually shifted to the left , and the peak tended to increase . The grain size became to smaller , the distribution range was shrinking , and the degree of concentration was increased .
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进一步研究了长度、半径和长径比对电荷密度相对分布曲线的影响,表明长度主要影响管身电荷密度相对分布,半径主要影响尖端电荷密度相对分布。
Furthermore , we studied the influence of length , radius and aspect ratio on the charge density relative distribution curve , showing that length and radius play an important role in relative charge distribution of tube and in tip respectively .
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研究结果表明:对于焊接过程中由于外界干扰引起的变化,可以通过焊接电流、电压概率密度分布(PDD曲线)中短路过程对应区段得到很好地判识;
The results show that all the changes caused by the disturbing could be di - agnosed by the corresponded zone in the PDD curve of welding current and voltage .
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本文采用空间探测获得的金星和水星的质量和半径测定值,通过求解Emden方程分别建立了4个金星和水星的内部结构模型,图1至图3绘出了内部密度和压力分布曲线。
With the observed data on masses and radii of Venus and Mercury obtained by means of space explorations , four internal structure models of Venus and Mercury are built respectively by solving Emden eguation .
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分析了齿轮激光淬火轴向扫描工艺参数对硬化层分布的影响,对由此而引起的齿面有效功率密度分布进行了曲线拟合,并提出齿面硬化层分布的预测方法。
This paper analyzes the influence of technical parameters on hardened layer and imitates the curve of effective power density distribution of tooth surface . It also raises a forecast method of hardened layer distribution .
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通过求解Emden方程,本文建立了两个月球的和三个火星的内部结构模型,这些模型的各参数值分别列于表3-7中。内部密度和压力的分布曲线绘于图1&4中。
We construct two internal structure models of the Moon and three models of Mars by solving the Emden equation .
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正态检验表明:分离群体色素腺体密度的分布为平阔曲线。
The normal test showed that the distribution of pigment gland was a flat curve in segregation population .
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文中给出了求解所得概率密度曲线和概率分布曲线,还给出了信杂比的计算结果。
The probability function ( PF ) curves and probability density function ( PDF ) curves drawn by computer , as well as the resultant signal-to-clutter ratio ( SCR ) are given .
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自20世纪80年代启动以来,上海人口郊区化不断向外推进,在空间上表现为人口密度梯度的不断降低、人口密度分布曲线由陡峭逐渐趋向平缓。
From then on , population suburbanization continuously developed outward , with presence of continuous decrease of population density gradient and shift from abruptness to plainness of Population Density Distribution Curve in term of space .
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低密度段CT值比例增高,高密度段CT值比例保持稳定,出现密度分布曲线左移现象。
The curve of density intervals was shift to left , which the peak value shifts to low density .