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The study that comprehensive and systematic analyze the factor of links length, thickness of links flange, distance of links rib, thickness of links rib and angle of brace to be changed affect energy-dissipation capacity of D shape and K shape eccentrically braced steel frames have been some studied before. This paper fills the black in the filed factor of high-span ratio, brace stiffness and brace-to-beam connections to be changed affectenergy-dissipation capacity of D shape and K shape eccentrically braced steel trames and any factor to be changed affect energy-dissipation capacity of Y shape eccentrically braced steel frames.
对耗能梁段的长度、耗能梁段腹板的厚度、耗能梁段翼缘的厚度、耗能梁段加劲肋的间距、耗能梁段加劲肋的厚度、支撑的夹角等因素的改变对D形、K形偏心支撑钢框架耗能的影响,前人已有一些研究,本文对这些因素的影响进行了全面系统的分析,完善了理论分析的不足;而结构高跨比、支撑刚度、支撑与梁的连接形式等因素对D形、K形偏心支撑钢框架破坏机理的研究以及各种因素对Y形偏心支撑钢框架破坏机理的影响,则很少有人涉及,本文对此也进行了深入系统的分析,填补了这一研究空白。
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Test results show that as the angle of attack is in the range of 20°~70°,the effects of bump...
结果表明,在20°~70°的迎角范围内,鼓包对圆锥的影响最大,对椭圆截面模型有一定的影响,对带棱截面模型的影响最小。
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In comparison with the angle of minimum deviation, the errors are analyzed and the correcting method for the temperature affect is given.
验证实验中,着重就与最小偏向角测量法的对比情况进行了介绍,分析了测量误差,推导了调整误差,样品加工误差对折射率测量的影响,并对环境,特别是温度,的影响进行了讨论,给出了影响曲线及补偿方法。
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The design method is described, and the calculation results are presented under the standard air conditioning condition. The working process of the two-stage expander is discussed, and the difference between the two-stage expander and the conventional one is stated. In addition, the influence of the dip angle on the expansion chamber volume is analyzed. The results show that the dip angle has little effect on the expansion chamber volume and it is suggested that the effect may be neglected in the expander design.
介绍了该膨胀机的设计方法,给出了标准空调工况下的计算结果,详细讨论了两级旋叶式膨胀机的工作过程,并对两级膨胀机与传统旋叶式膨胀机的区别进行了论述,最后分析了滑片倾角对工作腔基元容积的影响,结果显示,滑片倾角对工作腔基元容积的影响很小,在膨胀机的设计过程中忽略滑片倾角的影响是合理可行的。
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There is no significant difference between the effect of experimental anisometropia on stereopsis and experimental anisometropia in different diopter when aniseikonia has been removed. It shows that there are no improvements after removing aniseikonia.
实验性屈光参差和去除不等像视影响的视网膜像模糊在各参差度比较均无显著差异,说明去除不等像视因素的影响并没有提高立体视锐度,可见实验性屈光参差对立体视影响的主要因素是由于屈光参差导致的视网膜像模糊。
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With the combination of lighting, cooling and heating under daylighting, the study on the effect of the key characteristic parameters on total energy consumption is provided. The validation of the comparability of daylight distribution for building antetype and model is made through theoretical analysis and simulating calculation in the thesis. Due to the variable sky condition, daylighting factor is used for experimental validation instead of illuminance. The error analysis of several testing methods used in the experiment is conducted, followed by the experimental validation of the effect of WWR, sill and transmittance on daylighting factor distribution.
基于天空状态的多变性,提出用天然采光因数替代照度进行实验验证,对实验中的几种测试方法进行了误差分析,并通过实验验证了窗墙比、窗台高和透光率对天然采光因数分布的影响。4 为了更直观地分析各参数对照明节电的影响,提出了"特征点"、"特征线"和"特征距离"等概念;分析了天然采光下的照明节能状况,综合考虑照明、采暖和空调能耗,计算分析了几个主要特性参数对总能耗的影响。
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The receptance characteristics of track system has been predicted with the three dimensional track for high frequency vibration, with this model, the structure parameters of track system affect onreceptance have been discussed. The results show that the stiffness of ballast, sleeper mass, and stiffness of railpad are the main factors affecting on resonance and antiresonance under second resonance frequency.
利用轨道系统高频振动模型预测了各种参数对轨道系统导纳特性的影响,结果表明:道床刚度、轨枕质量和轨枕垫刚度是影响轨道系统第二阶共振频率以下共振和反共振的主要因素,随道床刚度增加,或轨枕质量减小,或轨枕垫刚度增加,第一、二阶共振和第一阶反共振频率增加,道床阻尼、轨枕垫阻尼主要影响第一、二阶共振和第一阶反共振振幅,阻尼越大,共振峰值和反共振谷值越平缓。
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Some of the influences are positive, some of them are negative;and some are strong, some are weak. How to apprize the influence fully and synthetically?
公路建设对洞庭湖的影响又有正面和负面之分,即影响有利有弊,有强有弱,如何综合全面地评价公路建设对湖区各个方面的影响呢?
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Our results showed that the total dendrite branch length and arborization of hippocampal neuron were not affected by the inhibition of ASICs for a short time, while the total dendrite branch length was reduced and dendrite development was impaired if ASICs were inhibited for a long time.It suggested that ASICs play a role in the dendrite development,which may help understand how ASICs affect the formation of neuronal networks and participate in higher brain fuctions such as learning and memory.
结果发现短时间抑制ASICs的功能并不影响海马神经元的树突总长度和分支,而长时间抑制ASICs的功能则会降低树突总长度,影响树突的发育,表明ASICs参与调节树突的发育,这将有助于理解酸敏感离子通道如何影响神经网络的形成,并进而参与学习记忆等高级脑功能。
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In this investigation, the compression behavior of COx argillite with two different grain size distributions, which were obtained by two different crush procedures, was studied by running 1D compression tests with several loading-unloading cycles.
通过开展一维压缩试验,研究2种不同粉碎工艺下获得的粗/细COx土样的压缩特性,结果表明:压缩曲线受粒度成分的影响非常明显,为获得同等压实度,细粒土所需的压实功能较粗粒土高,除此之外,细粒土的压缩指数也高于粗粒土,表现出较强的压缩性;随着土样压实密度的增加,粗/细土样的压缩曲线逐渐靠拢,粒度成分对压实功能影响逐渐减弱;土样卸荷时回弹指数随干密度的增加而增加,受粒度成分的影响不明显;高压实ρ(下标 d=2.0g/立方公分粗粒土样在7 MPa的轴向应力下饱和时,体积发生明显的塌陷现象,饱和后土样的压缩指数小于饱和前,而回弹指数则较饱和前高。
- 推荐网络例句
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Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.
Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。
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I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.
我来只是现在,'歼灭战perfuming自己与胡努特,那麼,他来到和SAT 。
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The shamrock is the symbol of Ireland and of St.
三叶草是爱尔兰和圣特里克节的标志同时它的寓意是带来幸运。3片心形叶子围绕着一根断茎,深绿色。