An electronic stopping cross section formula for heavy ions at low yelocity is obtained within the uniform free electron gass model and perturbation limit.
在均匀电子气模型和微扰极限成立的条件下,给出了低迷离子在固体中的电子阻止截面公式。
Take the first cross section as an example, and the calculation formula of flexural capacity of composite beams is obtained by using the error transfer formula of mathematical statistics.
运用数理统计学的误差传递公式,推导出了组合梁截面抗弯承载力统计参数的计算公式(以第一类截面为例)。
And base on the experiment, calculating formula of cross section mean velocity's reduction after planting and bed shears stress of vegetation dam block are established.
同时在试验的基础上,推导得植树后断面平均流速减小值和植物坝段床面剪应力的计算公式。
Formula for internal resistance ratio under a quick section - load, expressions on sectional flexural torque and shear force when rod bent are given.
给出了截面快速加载下的内阻比计算公式,以及杆件弯曲时截面弯矩、剪力的表达式。
By analysing and discussing the ductility of reinforced concrete beams under flexure, the author gives formula for calculating curvature ductility index of section.
本文对钢筋砼受弯构件的延性进行分析和讨论,提出了截面曲率延性系数的计算公式。
Tongliao Formula works easily and conveniently when power circuit wire section of village motor - pumped well is calculated.
计算农村机井电力线路导线截面时,《通辽公式》简便可行。
The formula to calculating head losses in the contraction section were revised.
并对收缩段水头损失的计算公式进行修正。
The paper puts forward the strengthening method of enlarging the joint section, proposes the relative calculating formula of the joint bearing capacity and provides a calculating example.
文章提出了仅节点区增大截面的加固方法,并建议相应的节点承载力计算公式,最后给出了一个算例。
According to the stress-strain relation and disposal mode of steel in the tensional region of section from the experimental results of other papers, the design formula is concluded.
利用有关文献试验得到的受拉区纵筋应力应变关系、布置方式等,推导出建议的设计取值公式。
With an example of a section of air duct with a tee, analyses the existing problems when adjusting pipe diameter according to the pressure balance formula and the causes.
以一段带三通的并联风管为例,分析了根据该压力平衡公式调整管径时存在的问题及其原因。
Based on the analyses of 18 experimental specimens of small concrete block shear wall, a formula for evaluating the shear bearing capacity of oblique section are proposed.
通过对国内18个有关混凝土小型砌块剪力墙斜截面抗剪试件试验结果的分析,得出斜截面抗剪承载力公式。
It can calculate the torsion rigidity of the variable section step-shaft simply using the general formula for calculating the same diameter shaft which can be found directly in material mechanics.
从而可利用材料力学中求解等直径圆轴扭转刚度的一般公式简便地求出变截面阶梯轴的扭转刚度。
Secondly, section resistance probability models based on durability damage are deduced according to the members bearing capacity calculation formula in the JTG/D62-2004 specification.
其次,根据JTG/D62-2004规范中构件截面承载力计算公式构造出考虑耐久性损伤的截面抗力概率模型。
For present shortcoming of water depth of uniform flow in circular section, which is great calculating error and small application scope, this paper desired to get a new approximate formula.
针对目前圆形断面均匀流水深计算公式存在计算误差大、适用范围小的弊端,欲提出一种新的近似计算公式。
Analysis is introduced about the supplementary condition from deducing formula and the stress-strain change of beam's section when it is destroyed.
对该条件的公式进行了推导;分析了破坏时梁截面的应力应变情况。
According to the test results, the computational formula of the shear load capacity about the externally bonded steel plates and the restricted condition of oblique shear section are set up.
根据试验结果,建立了粘钢部分承担的受剪承载力理论计算公式和受剪斜截面限制条件。
Between his reading and his measurements, he began to home in on a simple mathematical formula known as the Golden Mean, or Golden Section.
在翻阅资料与演算期间,他开始把关注一个简单的数学公式——黄金分割。
An appropriate formula of bed load rate is chosen to calculate the amount of bed load of each section. Curves of amount of bed load and discharge are got.
比较选用能较适用于该河段的推移质输沙率公式,计算出各断面的推移质输沙量,得出推移质输沙量与流量的关系曲线。
The paper proposed compute formula of digging pile panelling vertical cross section, introduced construction method and analysed economic benefit.
提出了挖孔桩护壁竖向截面积的计算公式,介绍了施工方法,分析了经济效益。
Based on the relationship between cross section variety and resistance of sample, a new formula was put forward to calculate the instantaneous corrosion rate of aluminum alloy.
针对铝合金腐蚀平均速率与瞬时速率的差异,根据腐蚀过程中试样横截面的变化与欧姆电阻的对应关系,建立了新的腐蚀速率计算方法。
The author calibrates the point target of standard lambert slab and derives the theoretical formula of its lidar scattering cross section.
推导了点目标的激光雷达散射截面的理论公式,对标准朗伯平板点目标进行了定标。
This section contains formula sheets and a tutorial, which serve as additional supporting materials for the course.
这一部份包括公式集以及一个指南,是课程中额外的帮助资料。
The formula can be seen in the Guide section of Matching Pairs Deluxe.
公式可以在游戏的指导部分看到。
From this model section, a formula is obtained for calculating the amplitude of relative apparent annual variation of resistivity at a station characterized by two resistivity layers.
从此观点出发,导出以二层电性剖面为特征的台站正常地电阻率相对似年变化幅度公式。
That have analyzed prestressed reinforced concrete normal section calculate formula of bearing capacity limit states.
分析预应力钢筋混凝土正截面承载能力极限状态计算公式。
Secondly, this section also describes a new type of drug-related issues, noting that China's laws in light of the lack of new drug programs or conversion formula.
其次,这一部分还介绍了新型毒品的相关问题,指出我国法律中欠缺新型毒品的参照方案或折算公式。
A new critical moment formula of tapered beam is proposed, which is similar to the expression for beams with uniform cross-section.
提出了新的变截面梁临界弯矩计算式,其表达形式与等截面梁的公式相同,便于工程应用。
A new critical moment formula of tapered beam is proposed, which is similar to the expression for beams with uniform cross-section.
提出了新的变截面梁临界弯矩计算式,其表达形式与等截面梁的公式相同,便于工程应用。
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