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宽度参数
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  width parameter
     The peak position of barium isotope distribution is A p=129 7±0 2 and the distribution width parameter is 2 76±0 28.
     而且钡同位素的分布峰位的最可几质量数为Ap=129.7±0.2,其分布宽度参数σZ=2.76±0.28
短句来源
     Using the experimental informations of the form factors of the electro-magnetic structure of nucleon, and taking the square resonance energy tr=20, we obtain the I=I=1ππ scattering resonance width parameter γ=0.1. This result is consistent with the experimental data of the all three low angular momentum partial wave amplitudes, but the resonance width is small compared with the observed value.
     利用了核子电磁结构形式因子的实验知識,取共振能量平方t_r=20,得到了I=J=1ππ散射共振宽度参数r≌0.1。 此结果可同时符合三个低角动量分波振幅的实验材料,但共振宽度要比观察值小。
短句来源
     The experimental results are compared with those reported from our previous work. It is found that the width parameter σz and the most probable charge Zp of the charge distribution increase slowly with increasing bombarding energy. The mass yield distribution is discussed in terms of the concepts of limiting fragmentation and factorization.
     使用核化学技术测量了80MeV/u16O离子和天然铁反应中25个靶碎片的生成截面.根据这些数据导出了电荷分布和质量分布.实验结果和以前发表的数据进行了比较,指出A=48质量链的电荷分布宽度参数σz和最可见电荷Zp随轰击能量增加而略微增加.根据高能核反应的极限碎裂和因子化概念讨论了靶碎片的质量产额分布.
短句来源
     In this method, the centerparameter and width parameter are considered chromosome, the network structure optimize and parameterlearning are divided into training and evolution two parts.
     该算法将基函数的中心参数和宽度参数编成染色体,将网络结构优化和参数学习分两个阶段进行,训练和进化。
短句来源
     Effective Width Parameter Design of Jet of Air-Seal Devices in Air-Spray Cooling System
     气雾冷却系统-气封装置中射流有效作用宽度参数设计
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  “宽度参数”译为未确定词的双语例句
     The mean energy level Em and distribution parameters σ of Gaussian distributed traps fitted by multiple regression, the total occupied density of states N0f0 and the frequency factor v for the carrier detrapped were evaluated.
     得到了高斯分布型陷阱的峰值能级E_m,分布宽度参数σ,和能态密度N(E),以及载流子热释放的频率因子v等重要的陷阱表征参数.
短句来源
     Based on the condition of the maximized laser gain,the laser gain,the optimal optical crystal length and width of quasi-three-level solid-state slab lasers,which variate with pump power,are analyzed and optimized.
     基于最大激光增益条件,分析和优化了二极管泵浦准三能级Yb∶YAG固体板条激光器的激光增益、板条的最佳光学长度和最佳宽度参数
短句来源
     In the sol gel processes the relaxation spectrum of dynamic light scattering was found to be an exponential decay followed by a streched exponential decay and the width exponent β decreased from 0 8 to 0 67. It means that the fractal dimension d f increased from 5/3 to 2. The static light scattering and viscosity expriments also got the same result of d f at the gel point.
     在胶凝过程中,动态光散射弛豫谱分段具有指数衰减和随后的伸展指数两种模式,且伸展指数衰减的宽度参数β逐渐从0.8减少到胶凝点的0.67,与此相对应,分维由5/3逐渐增加到2.0。 在胶凝点,通过静态光散射及粘滞系数实验测得分维为2.0。
短句来源
     When confirming the structure and parameter of hidden layer in RBFN, the RBFN - PCR approach took the hidden layer unit number to the training swatch number, and took the center vector of radial basis function to the corresponding swatch numerical value, and chose the extent parameter by tentative method, and solved the weigh coefficient between hidden layer and output layer by PCR.
     RBFN-PCR方法在确定隐含层结构和参数时,将隐单元数取为训练样本数,径向基函数中心矢量取相应样本值,宽度参数采用尝试方法选取,隐含层到输出层的网络权系数运用PCR求解。
短句来源
     When confirming the structure and parameter of hidden layer in RBFN, the RBFN-CSR approach took the hidden layer unit number to the training swatch number, and took the center vector of radial basis function to the corresponding swatch numerical value, and chose the extent parameter by tentative method according the distributing of swatch, and solved the weigh coefficient between hidden layer and output layer by CSR.
     RBFN-CSR方法在确定隐含层结构和参数时,将隐单元数取为训练样本数,径向基函数中心矢量取相应样本值,宽度参数根据样本分布情况采用尝试方法选取,隐含层到输出层的网络权系数运用CSR求解。
短句来源
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  相似匹配句对
     Parameter Optimization of Dump Belt Widths of Belt Conveyor
     胶带机排土带宽度参数优化
短句来源
     Parameters R ^ t2 are the important indices evaluating the changing of width of periodontal membrane.
     参数R、tZ 是反映牙周膜宽度变化的重要指标;
短句来源
     Scattering Parameter
     散射参数
短句来源
     design factors;
     设计参数;
短句来源
     (4)water width of river;
     4)水体宽度;
短句来源
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  width parameter
Their width parameter is allowed to take negative values in order to reach an arbitrary gaussian relative function.
      
The width parameter( σZ/σA), the most probable charge/mass ( ZP/AP), the charge polarization (ΔZ) and the slope of charge polarization [ δ(ΔZ)/δA'] as a function of the fragment mass (A') were deduced.
      
We have considered a range of length-to-width parameter 3.0 ? x0 ? 4.0 in steps of 0.2 at different densities and temperatures.
      
The frequencies of optical mode, elastic constants and piezoelectric constants were reproduced using the parameters of this model (an effective charge z, a width parameter w, an electronic polarizability α, and force constants).
      
The width parameter of oxygen atom was found to be about 0.59 ?, and the effective charge of the silicon atom 1.42 electron charges.
      
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The fixed angle dispersion relations near forward direction are applied to the derivation of the integral equations of s-wave and p-wave pion-nucleon scattering amplitudes. The equations involve the contribution of annihilation process, in which the main contribution comes from the two pions intermediate state. In order to examine the effect of ππ interaction on pion-nucleon scattering, the observed values of scattering phase shifts are substituted into the equations, and the numerical calculation is given....

The fixed angle dispersion relations near forward direction are applied to the derivation of the integral equations of s-wave and p-wave pion-nucleon scattering amplitudes. The equations involve the contribution of annihilation process, in which the main contribution comes from the two pions intermediate state. In order to examine the effect of ππ interaction on pion-nucleon scattering, the observed values of scattering phase shifts are substituted into the equations, and the numerical calculation is given. Using the experimental informations of the form factors of the electro-magnetic structure of nucleon, and taking the square resonance energy tr=20, we obtain the I=I=1ππ scattering resonance width parameter γ=0.1. This result is consistent with the experimental data of the all three low angular momentum partial wave amplitudes, but the resonance width is small compared with the observed value.

本文应用向前方向附近的定角色散关系推出了π介子-核子散射的s波和p波振幅的积分方程。方程中包含湮没过程的贡献,其中主要贡献来自二π介子中间态,为了检验ππ作用在π介子-核子散射过程中的效应,将散射相移观察值代入方程中作了数值计算。利用了核子电磁结构形式因子的实验知識,取共振能量平方t_r=20,得到了I=J=1ππ散射共振宽度参数r≌0.1。此结果可同时符合三个低角动量分波振幅的实验材料,但共振宽度要比观察值小。

Unmasticated natural rubber was crosslinked by dicumyl peroxide and radiation respectively. In the course of crosslinking the Sol fraction, the euilibrium swelling ratio, the number average molecular weight of the Sol and the intrinsic viscosity of the Sol were determind. The following conculsions may be obtained.

以DCP化学交联同Co~(60)γ射綫輻射交联对比方法,研究了天然橡胶的交联效应,并从溶胶分数和溶胶部分的数均分子量估計了未塑炼天然橡胶的起始分子量分布,得出以下結論: 1.輻射交联的物理交联度和化学交联度,在实驗剂量范围内,它們均同剂量R成正比,相应的交联产率G值分別为G物=2.0和G化=0.54 2.得到溶胶部分的数均分子量(?)_(ns)同溶胶分数S和分布寬度参数σ間的关系式,并用此式从溶胶部分的数均分子量和溶胶分数等实驗数据估計了未塑炼天然橡胶的起始分子量分布。得到(?)_(wo)/(?)_(no)=2.7(σ=0.6)和A=0.44。最后对无規交联理論亦进行了一次驗証。3.溶胶部分的数均分子量以双对数作图,它同輻照剂量成直綫关系。

The effect of erosslinking of low density polyethylene and natural rubber are studied respectively by measuring the Sol fraction and the intrinsic viscosity of the Sol. The relationship between the intrinsic viscosity of the Sol and the Sol fraction was diseussed. After considering the branching effect on the intrinsic viscosity of the Sol, the general relationship between tile intrinsic viscosity of the Sol and the Sol fraction may be expressed by Equation(16). When the erosslinking index of the Sol is less...

The effect of erosslinking of low density polyethylene and natural rubber are studied respectively by measuring the Sol fraction and the intrinsic viscosity of the Sol. The relationship between the intrinsic viscosity of the Sol and the Sol fraction was diseussed. After considering the branching effect on the intrinsic viscosity of the Sol, the general relationship between tile intrinsic viscosity of the Sol and the Sol fraction may be expressed by Equation(16). When the erosslinking index of the Sol is less than 0.5 the branching affect on the intrinsic viscosity may be negligible. A new method of estimating primary molecular weight distribution of polymers from the Sol and the intrinsic viscosity of the Sol is proposed. The M. Wt. D. of low density polyethylene and natural rubber are estimated by this method, it is found that (?)_(wo)/(?)_(no)=4.3(for L D P E) and (?)_(wo)/(?)_(no)=2.7(for natural rubber). These values agree very well with others estimated from the Sol fraction, molecular weight of the Sol and the swelling ratio of the gel by other methods. The calculated values of the intrinsic viscosity of the Sol agree with experimental data, The random crosslinking theory go(?)once again a critical test,

从无規交联理論出发,討論和分析了交联过程中溶胶部分特性粘数的变化基木規律,考虑到支化效应对特性粘数的依賴性后,得到溶胶部分特性粘数同溶胶分数和分布寬度参数間的一般关系式(16),当溶胶部分的交联指标很小时(γn<0.5),其支化效应可近似不計。建議一种从溶胶分数和溶胶部分特性粘数的实驗数据按(13)和(17)式估計高聚物起始分子量分布的簡易新方法,应用此种方法估計了高压聚乙烯和天然橡胶的起始分子量分布,得到σ=0.3,(?)_(wo)/(?)_(no)=4.3(对高压聚乙烯)和σ=0.6,(?)_(wo)/(?)_(no)=2.7(对天然橡胶)。它們分别同溶胶分数和凝胶的体积溶胀比和从溶胶分数和溶胶部分的数均分子量所确定的σ值很好地一致。并且溶胶部分特性粘数計算值同实測值亦較好地一致。最后对无規交联理論又一次进行了驗証。

 
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