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distribution moment
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  分布矩
     From the two-phase polymerization of vinyl chloride, a model of DP before gel point inthe vinyl chloride-divinyl monomer suspension polymerization was developed with pseudo-ki-netic constant method and molecular weight distribution moment theory.
     从氯乙烯(VC)两相聚合的特点出发,根据拟动力学常数法和分子量分布矩理论,建立了VC-微量二烯类单体悬浮共聚物凝胶点前的分子量模型,求得悬挂双键表现活性。
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  “distribution moment”译为未确定词的双语例句
     In this paper the propties and chracterization of the multivariate Liouville distribution based on the Normal distribution is inverstigated, including marginal and conditional distribution, moment. eta. and its application in the regression.
     对基于正态分布的广义Liouville分布族的性质和特征进行了研究,包括它的边缘分布,条件分布,特征函数和矩等,并对它们的正态性和独立性以及在回归分析中的应用展开了讨论
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  相似匹配句对
     ON CHECKING RESULT OF MOMENT DISTRIBUTION
     关于力矩分配法成果校核的探讨
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     ON THE DISTRIBUTION OF
     关于{x/n}的分布
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     Researches on Distribution Method of Moment
     力矩分配法初探
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     Suggestions on Distribution
     浅谈分配关系的若干对策
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     Cherish the moment
     珍惜此刻
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  distribution moment
An investigation of phase-distribution moment-matching algorithms for use in queueing models
      
Both a phenomenological, Hill-type muscle model and an approximation to Huxley's molecular level muscle model based on the crossbridge mechanism of contraction (distribution moment model) were derived and studied for monkey extraocular muscle.
      
Both a phenomenological, Hill-type muscle model and an approximation to Huxley's molecular level muscle model based on the crossbridge mechanism of contraction (distribution moment model) were derived and studied for monkey extraocular muscle.
      
Within the cross-bridge model, the functional forms of the distribution of cross-bridges, as a function of strain in each state, are approximated using the distribution moment approach.
      


Project range and range distribution moments up to third order for twelve ion species implanted into five different substrates (such as amorphous A1203, SiO2, UO2, LiNbOs and 20/25/Nb stainless steel) are calculated using an improved nuclear scattering function developed recently. Some results are given for the ions considered with energy range from 5 keV to 1 MeV. The present theoretical results are compared with those published by Gibbons et al. and Winterbon, and our results are proved to agree with...

Project range and range distribution moments up to third order for twelve ion species implanted into five different substrates (such as amorphous A1203, SiO2, UO2, LiNbOs and 20/25/Nb stainless steel) are calculated using an improved nuclear scattering function developed recently. Some results are given for the ions considered with energy range from 5 keV to 1 MeV. The present theoretical results are compared with those published by Gibbons et al. and Winterbon, and our results are proved to agree with the recent experimental measurements more closely.

本文采用改进了的核散射函数计算了12种离子在非晶Al_2O_3,SiO_2,20/25/Nb不锈钢、UO_2和LiNbO_3等材料中的投影射程分布一次至三次矩。给出了能量范围从5keV至1MeV的离子在上述材料中的理论计算结果。将计算值与近几年的实验测量结果及Gibbons等人和Winterbon的理论计算进行了比较。结果表明,我们得到了与实验符合得更好的理论值。 文中较详细地介绍了化合物和合金材料中射程分布矩的计算方法,并对改进计算精度等问题进行了简要的讨论。

A nuclear scattering function which fits WHB potential very well is used to calculatethe projected range distribution moments up to the third order for ion species Al~+, P~+,S~+, Zu~+, Ga~+, As~+ and Sb~+, implanted into Cd_xHg_(1-x)Te substrate. By using the calculatedmoments, projected range distribution parameters, i. e. the mean projected range Rp, thestandard deviation of the mean projected range ΔRp and the skewness of range distri-bution are obtained. The energy range selected in the calculations...

A nuclear scattering function which fits WHB potential very well is used to calculatethe projected range distribution moments up to the third order for ion species Al~+, P~+,S~+, Zu~+, Ga~+, As~+ and Sb~+, implanted into Cd_xHg_(1-x)Te substrate. By using the calculatedmoments, projected range distribution parameters, i. e. the mean projected range Rp, thestandard deviation of the mean projected range ΔRp and the skewness of range distri-bution are obtained. The energy range selected in the calculations is 50 keV to 1 MeVfor Al~+ projectile and 5 keV to 500 keV for other ion species. The results indicate thatour calculations agree well with that obtained recently by Russel et al. with LSS reducedenergy ε≥0.5. However, our Rp values are remarkably larger than theirs when ε=0.5.Finally, the method to construct depth profiles of implanted ions by use of the projectedrange parameters is briefly discussed.

本文采用符合于WHB势的核散射函数计算了离子Al~+、P~+、S~+、Zn~+、Ga~+、As~+、Sb~+注入Cd_xHg_(1-x)Te衬底的投影射程分布的一次至三次矩,并由这些矩给出了投影射程的分布参数——平均投影射程Rp、平均投影射程的标准偏差ΔRp和射程分布的歪斜度(β1)~(1/2)。Al~+离子的能量范围为50keV~1MeV、其他离子的能量范围为5keV~500keV。结果表明,本文提供的计算值在LSS约化能量ε≥0.5时与Ryssel等新近的计算结果符合得较好,而在低能端,我们得到的Rp值比他们的显著地大。本文也简要地讨论了利用计算得到的射程参数构造注入离子浓度分布的方法。

An empirical formula of electronic Stopping Cross Section, Se, for low energy ions, such as Li+, Be+, B+, C+, N+, O+, F+, and Ne+, in solid materials is established according to the experimental electronic stopping power data in solid media. The formula can be used not only to describe the experimental Z1 and Z2-oscillation of electronic stopping power, but also to describe very satifactorily the Se varying with ion energy, E. The projected rang distribution moments up to third order for ten light ion...

An empirical formula of electronic Stopping Cross Section, Se, for low energy ions, such as Li+, Be+, B+, C+, N+, O+, F+, and Ne+, in solid materials is established according to the experimental electronic stopping power data in solid media. The formula can be used not only to describe the experimental Z1 and Z2-oscillation of electronic stopping power, but also to describe very satifactorily the Se varying with ion energy, E. The projected rang distribution moments up to third order for ten light ion species from H+ to Ne+ in different substrates, such as amorphous Al2O3, SiO2, 20/25/Nb stainless steel, LiNbO3 and UO2, are calculated by use of the electronic stopping cross section formula proposed by the present authors and the nuclear scattering function which agrees with the WHB atomic interaction potential.. Our theoretical results are compared with the experimental results published recently, and our projected ranges, Rp agree with the experimental measurements more closely in the low energy end of the energy regime which we deal with in the present work.

本文根据离子在固体材料中电子阻止截面的实验资料,给出了低能Li~+,Be~+,B~+,C~+,N~+,O~+,F~+,Ne~+等离子在固体中电子阻止截面S_e的经验公式。这些经验公式既能够很好地反映电子阻止本领的Z_1和Z_2振荡、又能正确地给出S_e随离子能量E的变化关系。用这种以实验为基础的S_e经验公式和符合于WHB势的核散射函数,计数了从H~+到Ne~+十种轻离子在非晶Al_2O_3,SiO_2,20/25/Nb不锈钢,LiNbO_3和UO_2等材料中的投影射程分布的一次至三次矩。将计算值与近几年的实验测量及其他人的计算结果进行了比较,在低能端,我们计算的平均投影射程R_p与实验符合得更好。

 
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