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     The critical compressibility factors of organiccompoundsof289kinds are calculated,and they are compared with the group contributionmode of Lydersen and nomograph method of Garcia-Barcena (here themethod Lydersen cannot be calculated). It turns out that the metdodpossesses a higher accuracy for calculation.
     对289种有机物的临界压缩系数进行了计算,并与 Lydersen 基团贡献法及 Garcia—Barcena 列线图法(这用 Lydersen 法无法计算)作了比较,表明该方法具有较高的推算精度.
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     The replacement of some equipment's components makes it in partial update state. The equipment's residual life with such characteristic cannot be calculated by using unit failure rate model.
     维修中对设备零部件的更换,使其经常处于局部更新状态,按单元的故障率模型无法计算具有这种特点设备的剩余寿命。
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  “无法计算”译为未确定词的双语例句
     The traditional method for analysis of structural evolution is"thickness method"that is only suitable in the area with gentle strata and simple structures.
     传统的构造演化分析方法是“厚度法”——这种方法只适用于地层平缓、构造不发育的简单构造地区,而复杂构造地区(如川西地区)用“厚度法”进行构造演化分析会产生巨大的误差,甚至无法计算
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     With increasing sedation there was a progressive decrease in BIS and 95 % SEF values in group P and M but no significant changes in BIS and 95 % SEF values were seen in group K.
     P、M组BIS50分别为65.9、70.7,但是无法计算K组相应的BIS50和95%SEF50。
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     LC 100 was 100 mg·kg -1 for phenanthrene and 350 mg·kg -1 for 1,2,4-trichlorobenzene,and non-calculatable for pyrene due to its low water solubility and low toxicity.
     LC10 0 分别为菲 10 0mg·kg-1,1,2 ,4-三氯苯 3 5 0mg·kg-1。 由于芘的低水溶性和低毒性 ,无法计算LC10 0 。
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     2 We could not calculate the urine concentration of RANTES in patients with LN from its OD and the formula of standard curve.
     2. 根据标准曲线公式及所检测到尿液RANTES的吸光度值无法计算得出其浓度值,提示尿液RANTES 浓度极低;
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     Cancer group,unmeasured.
     Cancer的RR无法计算
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     We also give a new correction factor to simplify the calculation of the Unstatistic.
     的计算
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     Cancer group,unmeasured.
     Cancer的RR无法计算
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     CALCULATION OF CAPACITANCE
     电容的计算
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     Some Simpified Computational Mathods for Three--dimensional Elastoplastic Boundary Element
     三维弹塑性边界无法的某些简化计算方法
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     Home Unable to Be Warm
     无法温暖的归宿
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  incalculability
Investigation of flow pattern near supersonic nozzle exit section at different incalculability factors
      
The pressure distribution on the nozzle wall near the exit cross section was studied experimentally for different incalculability factors.
      
The experimental and computed ion balances suffer from non-equilibrium conditions, incalculability of metal-binding colloids or sub-colloids, inaccurate Eh measurements and analytical errors.
      
Incalculability and radical contingency have become central elements in the post-9/11 world.
      
  cannot be calculated
It is shown that quantitative characteristics of the n-butanol adsorption on Ag-Au alloys cannot be calculated in the approximation of additivity of properties on the basis of relevant parameters of adsorption on Ag and Au.
      
It is shown that, because of a large contribution of short-range interactions, especially the hydrogen bonds, the energies in question cannot be calculated with the aid of continuum electrostatics.
      
It is known that the energy excitation gaps for fractional Hall states described by Jain's composite fermion wavefunction cannot be calculated analytically.
      
Comparison of the two equations then provides a way of estimating mesonic effects which cannot be calculated in the ?potential? approximation.
      
The absolute-mass values of these particles depend on certain coupling parameters, which have to be introduced from the beginning, and cannot be calculated within the framework of this model.
      
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Steady flows in side channel with addition of water along the course(?) of flow are touched on freqently in engineering practice. Many authors believe that the loss of energy induced by the impact in channel with nonuniform dischage is an unknown value, therefore, equation based on the conservation of energy is unsuitable to this case, but the principle of conservation of momentum is applicable. In this paper not only the equation based on the conservation of energy is derived, but also the flow profile and...

Steady flows in side channel with addition of water along the course(?) of flow are touched on freqently in engineering practice. Many authors believe that the loss of energy induced by the impact in channel with nonuniform dischage is an unknown value, therefore, equation based on the conservation of energy is unsuitable to this case, but the principle of conservation of momentum is applicable. In this paper not only the equation based on the conservation of energy is derived, but also the flow profile and the states of flow are analyzed.

侧槽恒定变量流在工程中应用广泛。许多学者认为,由于侧向入流冲击产生的能量损失无法计算,基于能量守恒的方程式不适用于变量流。本文不但基于能量守恒原理推得了变量流的基本微分方程式,而且对其水流剖而形式及流态作了分析。

This paper introduces the way to solve the bending problem of Kirchhoff plate with spline boundary element method. As a result of interpolating B splines to the boundary nodal point parameter, a higher continuity can be obtained ( The continuity of deflection can be C2 or even higher), moreover, only two boundary integral equations should be listed to every boundary nodal point. We still have fine prevision even if the nodal point arrangement is rather rare. The general formula of singular integral fundamental...

This paper introduces the way to solve the bending problem of Kirchhoff plate with spline boundary element method. As a result of interpolating B splines to the boundary nodal point parameter, a higher continuity can be obtained ( The continuity of deflection can be C2 or even higher), moreover, only two boundary integral equations should be listed to every boundary nodal point. We still have fine prevision even if the nodal point arrangement is rather rare. The general formula of singular integral fundamental solution to the corner points is given in this paper. The integral terms of area load should transverse totally to boundary integral ones,thus all kinds of sinuous boundaries and complicated loadings are solvable. After defining the boundary parameter, the fundamental solution introduced in this paper gives all necessary information for calculating bending moment and torsion in any direction at any point of the plate.

本文用样条边界无法计算克希霍夫型板弯曲问题。由于对边界结点参数采用B样条基函数插值,不仅有较高的连续性(如挠度能达到C~2乃至更高),而且对每个边界结点只须列出两个边界积分方程,在结点布置较稀时仍能有良好的精度。本文还给出了角点上基本解奇异积分的一般公式,对面载荷积分项则统一化为边界积分,因而可以适应各种曲折边界和复杂载荷的要求。在边界参数确定后,使用本文介绍的基本解可以计算板域内任一点任一方向上的弯矩和扭矩。

The field of a harmonic point source in layered media has certain angular distribution. Although by ray theory the angular distribution of sound field can be calculated for given receiving point, but the effect of the frequency on the angular distribution function and the sound field in shadow zone can not be calculated. In this paper, by the normal-mode theory the angular distribution of the sound field in layered media is discussed, the general expression of angular distribution function and attenuation law...

The field of a harmonic point source in layered media has certain angular distribution. Although by ray theory the angular distribution of sound field can be calculated for given receiving point, but the effect of the frequency on the angular distribution function and the sound field in shadow zone can not be calculated. In this paper, by the normal-mode theory the angular distribution of the sound field in layered media is discussed, the general expression of angular distribution function and attenuation law for directional reception are obtained. The results given above can be used for calculation of the sound field in shadow zone and they represent the influence of the frequency on the sound field. Investigating the channel of the underwater sound and the effect of the signal detection in it, by utilizing the obtained results, the optimum receiving direction can be chosen. For given medium model the numerical calculations are produced, and analysis and discussion are conducted.

分层介质中简谐点源的声场具有确定的角度分布。应用射线理论虽然也可计算给定接收点声场的角度分布,但是它不能反映重要的信号参数——频率对声场角度分布的影响,此外射线理论还无法计算影区中的声场。本文应用简正波理论讨论分层介质中声场的角度分布,获得了声场角度分布的一般表达式,以及定向接收时的声场衰减规律。所得结果可以应用到射线声学影区,并且反映了声场随频率的变化。当研究水声信道和信号在其中的检测效果时,利用本文的结果可以选择最佳的接收方向。对于选取的介质模型进行了数值计算,分析和讨论了所得结果。

 
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