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This study is to give a solution for the estimation of flash point for mixtures, the necessity for classification of flammable liquids. The traditional models for predicting flash point of mixtures usually by the activity coefficient approach. However, the parameters of activity coefficient were regressed from phase equilibrium data in the literatures. If there is no such parameter in literatures for the desired mixture, the model cannot predict the flash point oft hat mixture. Thus, this research aims at the improvement of deficiency of the flash point prediction models in the literatures by useing UNIFAC (Universal Quasi-chemical Functional Group Activity Coefficient) equation, Dortmund-UNIFAC equation and Lyngby-UNIFAC equation. In this study, we were aim at the prediction model for miscible mixtures.From the result, it is suggested to use different type of UNIFAC equation to estimast activivity coefficient in the predition of flash point for different mixture type.
易燃液体分类的主要依据参数为闪火点值,因此本研究目的为解决易燃液体中混合物分类时所面临到的闪火点值缺乏的问题,而在过去文献中所提出的闪火点预测模式会使用到活性系数,但这些模式使用到的活性系数均需要相平衡的数据以回归其所需参数,若所欲估算闪火点的混合溶液文献上未有相关参数,则无法有效利用闪火点预测模式估算其闪火点,因此针对文献中现有闪火点预测模式的缺点,利用描述液体混合物活性系数UNIFAC (Universal Quasi-chemical Functional Group Activity Coefficient)方程式、Dortmund-UNIFAC方程式和 Lyngby-UNIFAC方程式,建立发展一闪火点预测模式,而本研究以互溶溶液为对象。
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For a continuous map of trees or graphs to itself, we show the properties that every isolated chain recurrent point is an eventually periodic point, and an isolated chain recurrent point which is not in the orbit of a critical point and has no critical point in its orbit is a periodic point.
第三章主要讨论一些特殊连续统上连续自映射的孤立链回归点与最终周期点之间的关系,证明了对树或图上连续自映射,孤立链回归点是最终周期的,且如孤立链回归点不在临界点的轨道中,也无临界点在其轨道中,则此点必为周期的。
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According to the principle of the diameter of a circle corresponding to the right angle and the principle of short side for little angle in right triangle, projecting the initially-chosen point to the hyper-planes of the linear equation group in which every linear equation can be regarded as a hyper-plane and the projection points can be obtained. The initially-chosen point, and one arbitrary projection point, and the solution point are all on the surface of the relative hyper-geometry ball, therein-to, there is a projection point which is nearest to the solution point and it can be regarded as the next iterative initially-chosen point, so the solution problem of the linear equation group can be changed as an iterative problem of approaching the solution on the surface of a hyper-geometry ball.
根据直径对应的圆周角足直角以及直角三角形中短边对小角的原理进一步知道,当将初始点向线性方程组中各个方程所代表的超平面上投影得到投影点时,初始点和其任何一个投影点及方程组的解点都将位于一个相应的超球面上,其中必定存在一个投影点离问题解点的距离最短,即把该点作为下一次迭代的初始点,从而可将线性方程组求解的问题变成球面上逼近解点的迭代问题。
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According as different projection of point of fall for Rocket in XOZ quadrant, the correction points are searched with the method along OX axle for errors point of fall, first correction point is searched in first quadrant, second t correction point is searched in second quadrant, third t correction point is searched in third quadrant and so on.
该方法以炮弹落点在XOZ象限投影的不同,沿落点偏差轴OX 寻找推冲点:第一象限一次可寻找到第一修正点,第二象限则应寻找第二点,以至第三点。
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The analysis on the test result shows that the temperature distribution in CFST members caused by solar radiation is nonlinear,and the nonlinear character is most evident when center point of concrete gets its lowest temperature. The temperature of the center point is affected by various directions, especially the strong potential. In the side exposed to the sun in the afternoon, apart from the center point, temperature varies laggardly when the point of concrete in the same series is more close to the center. But in the side not exposed to the sun in the afternoon, temperature varies laggardly when the point of concrete in the same series is more close to the center.
结果表明,日照作用下截面的温度场为非均匀场,混凝土中心的温度达到最小值时,截面温度场的非线性特性最明显,圆心点的温度受各个方向温度的共同作用,更多地受到强势方向的影响;下午时处在向阳面的各系列,同一系列上混凝土各点温度变化随直径缩小趋缓,越靠近圆心,温度变化越缓和,对外部环境的影响呈滞后现象越明显;而在下午时处在背阴面的各系列除圆心点外,同一系列上越靠近圆心的混凝土测点,温度变化越缓和。
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Results show that floes' VC and D at the surface water were closely related to current velocity; and the peaks of VC lag those of the current velocity. The lag variation during ebb and flood tides is 10-30min and 30-50 min, respectively. Current velocity at 50 cm/s is a turning point of D vs. vertical average current velocity, before the point, Dm increases with current velocity, and decreases after the point. Similarly, VC at 75μl/L becomes a critical point in the surface water, below the point, D increases with VC, and above the point, D stabilizes.Δp is D dependent, larger floes have much lower Δp than smaller floes. Both D and Δp of floes affect ω. In the surface water during spring tide and neap tide, a power exponent relationship exists between Δp and D, and ω and D.
研究表明:①长江口徐六泾表层絮凝体体积浓度主要受水流流速影响,再悬浮现象明显,体积浓度过程线滞后流速过程线,落潮期间滞后10-30min,涨潮则滞后30-50min;②小于一定流速时絮凝体平均粒径随流速增大而增大,大于一定流速时絮凝体平均粒径则随流速增大而减小,徐六泾夫、小潮表层絮凝体在50cm/s的垂线平均流速时出现平均粒径与垂线平均流速关系的转折;③徐六注大、小潮表层絮凝体平均粒径在体积浓度75μl/L时出现平均粒径与体积浓度关系的转折,体积浓度小于75μl/L时粒径随体积浓度增加而增大,超过75μl/L时粒径随体积浓度的增加变化不明显;④絮凝体有效密度由粒径大小控制,粒径大,有效密度小,反之亦然,粒径和有效密度共同决定絮凝体静水沉速,有效密度和沉速与平均粒径之间均存在良好的幂指数关系。
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In chapter one,the backgrounds and current situation of operator theory in Banach space are introduced and the preliminaries of Banach space are given.In chapter two,we study the existence and uniqueness of fixed point for decreasing strict-set-contraction operator in product space.Under the weak continuous condition,we obtain the existence and uniqueness of fixed point for decreasing operator and we give an application of these results; In chapter three,we get several positive fixed point theorems of decreasing operator and the existence and uniqueness theorems of positive fixed point for operator C=A+B,C=D-A in real Banach space where the order is decided by a normal cone; In chapter four,we obtained some existence and uniqueness theorems of fixed point for some mixed monotone operators in semi-ordered Banach space.
在第一章中,主要介绍了半序Banach空间非线性算子的研究历史背景、现状以及半序Banach空间中的预备知识;在第二章中,我们利用半序方法研究了Banach乘积空间中严格集压缩减算子不动点存在唯一性问题,在弱连续的条件下,得到了不动点的存在唯一性和迭代收敛性,同时,给出了它们的一些应用;在第三章中,我们建立了拟弱连续减算子的正不动点定理,并证明了算子C=A+B,C=D-A的正不动点存在唯一性定理;在第四章中,我们得到了半序Banach空间中混合单调算子的不动点存在性及唯一性定理。
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Disclosed is a method for object correspondence identification between two image sets, said method steps comprising roughly aligning the two image sets, receiving (200) a selected point in said one image set, locating (210) a rough matching point in said another image, defining (210) a first volume-of-interest around said selected point, defining (230) a search window around said matching point comprising a plurality of neighboring points, for every point in said search window, defining (240) a second volume-of-interest, computing (250) the similarity between each said second volume-of-interest with said first volume-of-interest, and selecting (280) that second volume-of-interest that is most similar to said first volume-of-interest.
本发明公开了一种用于识别两个图像集之间对象一致性的方法,所述方法步骤包括粗略地使所述两个图像集对齐,接收(200)所述一个图像集中选定的点,在所述另一图像中查找(210)大致匹配的点,在所述选定的点周围定义(220)第一感兴趣容积,在所述选定的包括多个相邻点的匹配点周围定义(230)搜索窗口,对于所述搜索窗口中的每个点,定义(240)第二感兴趣容积,计算(250)每个所述第二感兴趣容积和所述第一感兴趣容积之间的相似度,以及选择(280)与所述第一感兴趣容积最相似的第二感兴趣容积。
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Thence in a southeasterly direction to Corner Point No. CP14 (X = 484 330, Y = 683 415); thence in a. northeasterly direction to Corner Point No. CP15 (X = 484 390, Y = 683 490); thence in a southeasterly direction to Corner Point No. CP16 (X = 484 415, Y = 683 470); thence in a southwesterly direction to Corner Point No. CP17 (X = 484 355, Y = 683 395); thence in a southeasterly direction to Corner Point No. CP18 (X = 484 430, Y = 683 335); thence in a southeasterly direction to Corner Point No. CP1, the point of beginning.
从该点起向东南延伸至隅角点CP14(X = 484 330,Y = 683 415);从该点起向东北延伸至隅角点CP15(X = 484 390,Y = 683 490);从该点起向东南延伸至隅角点CP16(X = 484 415,Y = 683 470);从该点起向西南延伸至隅角点CP17(X = 484 355,Y = 683 395);从该点起向东南延伸至隅角点CP18(X = 484 430,Y = 683 335);从该点起向东南延伸至隅角点CP1。
- 相关中文对照歌词
- At This Point In My Life
- Point In My Life
- 推荐网络例句
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I didn't watch TV last night, because it .
昨晚我没有看电视,因为电视机坏了。
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Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.
今年以来,在北京的很多小区里,电梯液晶电视被撤了下来。
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I'm running my simile to an extreme.
我比喻得过头了。