有效截面

有效截面法包括有效宽度法和有效厚度法。

The effective section method includes effective width method and effective thickness method .

铝合金构件有效截面特性计算软件的研制

Research and development of calculation software for effective section properties of aluminium members

门式刚架焊接H形截面构件有效截面几何特性的计算

Calculation on Geometric Characteristics of Effective Cross Sections of Members with Welded H-shaped Cross Sections in Gabled Frames

增加有缘层长度与有效截面面积，也有利于减小SOA的啁啾。

Reducing input light power or increasing length and effective area of active layer , we can reduce the SOA chirp ;

本文对有效截面法和直接强度法的计算结果进行了修正，通过引入修正系数，使现有的设计方法能够用于腹板V形加劲的冷弯卷边槽钢在轴向压力作用下极限承载力的计算。

Effective width method and direct strength method are modified to make them applicable to predict the ultimate strength of cold-formed lipped-channel column with V-stiffened web under axial compression force .

推导了门式刚架中焊接H形截面构件有效截面几何特性的精确计算公式，为简化计算过程，给出了相应的近似计算公式。

This paper deduces the accurate formulas for calculating the geometric characteristics of effective cross sections of members with welded H-shaped cross sections in gabled frames , and in order to simplify the calculation , presents the corresponding approximate calculation formulas .

而现行冷弯型钢设计规范GB50018-2002采用有效截面法计算受弯构件的屈曲荷载并没有考虑卷边角度的影响，不能合理的进行斜卷边Z型檩条的屈曲荷载设计。

But the current specification GB50018-2002 does not consider the effect of lip inclination , hence , it cannot be effectively used in designing inclined lipped Z-section purlins .

地震作用下钢筋混凝土桥墩有效截面抗弯刚度

Flexural stiffness of equivalent section of RC piers subjected to earthquakes

（物理）原子有效截面单位。

( physics ) a unit of nuclear cross section .

设计中通常采用有效截面法。

Normally , it used effective section in designing .

受压波纹板组局部相关屈曲特性研究考虑相关屈曲的轴压铝合金板件有效截面计算

Effective Section Calculation Approach of Aluminium Plate Element Considering Interactive Local Buckling Under Axial Load

冷弯成拱的实验研究冷弯型钢檩条的有效截面

Effective section of cold-formed steel purlins

因此只要有效截面取得正确公道，即可正确确定构件的整体承载能力。

If we get proper effective section , we can calculate total bearing capacity of members exactly .

并与试验结果及有效截面法的计算结果进行了比较，吻合较好。

Compared with the experimental results and the calculation of the effective section method , it coincides well . 4 .

残损的结果是木塔构件有效截面削弱，部分构件丧失承载能力，降低了木塔的可靠性。

The result of damage weaken component effective section of the tower and partial components lose bearing capacity and have reduced the reliability of the tower .

随着碳纳米管直径的增大，碳纳米管纸的力学性能逐渐降低，符合有效截面利用率原理。

With increasing the CNT diameter , the mechanical properties of CNT paper is reduced , which is explained by the theory of effective cross-section area .

目前，主要采用有效截面法计算屈曲后强度，来考虑板件屈曲对承载力的影响。

At present , the effective section method is used to calculate post bucking strength , so as to consider the influence of sheets bucking to the capacity .

利用几率密度矩阵法描述吸收-发射过程，并对稀土离子掺杂的玻璃光纤中传播模计算分析，论证了掺杂光纤介质中受激有效截面满足菲切保尔-拉登贝格修正关系式；

This report represents tbe method of density matrix to describe the process absorption-emission in a RE-doped glass fiber and deals with the calculation of tbe propagating modes in the fiber .

而在设计过程中，各国规范普遍采用有效截面法，考虑了构件有效截面的折减和一定的屈曲后强度。

In design , the Effective Width Method , which well considers the reduction of effective width and the effect of post-buckling , is widely used in every part of the world .

指出了铝镁锰合金建筑板材有效截面计算及剪切屈曲应力计算与钢材有显著差异，在此基础上提出了适合铝镁锰合金建筑板材的结构设计方法和计算公式。

In the same time , in team of the calculation of the effective section and shear buckling stress , the paper proposes the construction design method and formula fitting the Al-Mg-Mn alloy building sheets .

计算和分析结果表明：荷载按龟甲形分配至纵横梁，采用有效截面可将连续刚架桥简化为平面结构来分析，由此简化计算带来的误差是可以接受的。

The calculating results reveal that it is acceptable that the load distributes to the longitudinal and cross beam according to the tortoise shell form and uses effective section to simplify the frame bridge to a plain structure .

然而，不同激光器产生的高斯光束的质量参差不齐，有些参数很大程度上影响着光束的应用，比如光斑的有效截面半径，远场发散角，束腰半径等。

However , lasers produce different base transverse mode Gaussian beams with different quality , and some parameters greatly influence the application of the beam , such as the effective cross-section beam radius , divergence angle , beam waist radius .

分析时取有效截面，以变刚度杆件为模型，计算了当初始弯曲及偏心率分别为H/1000、H/750和H/500时柱子曲线的变化。

Considering the effect of effective section and using mutable rigid member as model , it was calculated the change of column curves when the initial bend and eccentricity was H / 1 ? 000 , H / 750 and H / 500 respectively .

计算结果表明：其有效产生截面非常大，至少比标准模型中的Higgs粒子h0的产生截面大一个量级。

Our calculation results show that the effective cross section is quite large and at least larger than that of the standard model Higgs boson h 0 by one order of magnitude .

针对空空导弹无线电引信，用广义的雷达有效散射截面（GRCS）描述隐身目标近场散射特性。

The near field EM scattering of the stealth target is described by Generalized Radar Cross-Section ( GRCS ) for air to air missile radio hires .

自由空间中偶极子云团的有效干扰截面

Dipole cloud ′ s effective jamming cross section in outer space

硅相减少了铝基体的有效导电截面；

Silicon phase reduce the effective area of electrical conduction of aluminum matrix .

研究了自由空间中半波偶极子云团对于单基地观测雷达的有效散射截面问题。

The problem of dipole cloud ′ s effective scattering cross section while observed by a monostatic radar was studied .

结果表明：套管弯曲不仅使有效横截面降低而且由于局部拉应力过大造成套管拉断。

Research results indicate that casing bend not only makes effective cross section decrease but also leads to casing snapping owing to larger local tensile stress .

文章在5根钢骨混凝土梁试验研究的基础上，分析了钢骨混凝土梁的工作机理，提出了用有效工作截面计算钢骨混凝土梁挠度的方法。

Based on an experimental research on five steel reinforced concrete beams the author analyses the working mechanism of steel reinforced concrete beams and proposes a calculation method of the deflection of steel reinforced concrete beams .