分析试验

The key of this task is how could we get the orderliness of train traveling signal. There are some introduction to the analyse ways of train's approaching signal. It emphasizes on the analyse of using syntony demodulation technology to final the long-distance coming train. At the same time, it gives a preliminary analyse in the signal for different cases, takes a research on the identified technology for the coming train, designs and assembles the hardware and software of this system. All of them have got past the test on the spot and got a satisfying result""

课题中的关键是如何得到列车运行信号的特征规律，在本文中对这些列车接近信号的一些分析方法作了介绍，着重分析了采用共振解调技术发现远程来车的信号，同时针对不同情况下的信号进行了初步分析，研究了来车的识别技术，并对系统的软硬件进行了设计和组装，通过了现场试验，得到了令人满意的结果

Estimations of effective parameter in heterogeneous media: Firstly, we clarify the concept of the effective parameter and address the problems of parameter estimation by traditional pumping test. Secondly, we present two estimation approaches (i.e., distance-drawdown and spatial moment analyses) for Seff and Teff, which are consistent with Theis' homogeneous aquifer assumption.

本文探讨的内容主要分两大部分：(1)空间异质性孔隙介质有效参数的推估方法：主要探讨内容包括重新思考有效参数的定义及其观念，探讨传统抽水试验推估异质性含水层有效参数的一些问题，其次提出估计异质性地下水系统有效参数两个合理方法：泄降-距离曲线分析和泄降分布的空间矩分析，并以数值实例解释其合理性，文中藉由分析数值模拟的结果探讨说明该问题。

Firstly, the paper carried out test study base on the pseudo-static test under horizontal loads on four two-spanned model members of FSMRCSS, including three 1/2-scaled two-storeyed models and one 1/3-scaled three-storeyed model. By the test study, the paper analyzed the test results, including analysis on mechanical property of the constructure under vertical loads, and failure mode, deformation capacity, aseismic performance under horizontal loads and constant vertical loads. The paper also compared LFSWSUMS with FSMRCSS on aseismatic property.

本文首先对三个两跨两层和一个两跨三层的底部大空间框支密肋复合墙结构的1／2和1／3比例模型进行伪静力试验研究，通过对底部大空间框支密肋复合墙结构在竖向荷载及与水平低周反复荷载共同作用下的受力性能的试验研究，探讨了结构的变形性能、滞回耗能和破坏形态，并与框支砌体结构进行对比分析。

First of all, the paper carried out test study on four two-spanned model members of FSMRCWB, including three 1/2-scaled two-storeyed models and one 1/3-scaled three-storeyed model. The paper analyzed the test results, including analysis on mechanical property of the composite wall beam under vertical loads, and failure mode, deformation capacity, aseismic performance under horizontal loads and constant vertical loads. Secondly, the nonlinear property of concrete is studed and the nonlinear models of FSMRCSS is builded by ANSYS. Last, The paper studies the result of ANSYS, which mainly includes the loading-displace curve of FSMRCSS under horizontal loads and constant vertical loads, the mechanics of arch under vertical loads lonely and under horizontal loads and constant vertical loads respectively, and status of the distribution and changing of vertical stress and cross shear on the surface of the suporting beam, and the influence of span ratio and hole.All in all, the caculating results are in good agreement with the test results.

本文首先进行了三个1/2比例的两跨两层和一个1/3比例的两跨三层的框支密肋复合墙梁的模型试验，分析了框支密肋复合墙梁在竖向荷载作用下的受力性能，以及在竖向荷载与水平低周反复荷载共同作用下的受力性能、变形性能、滞回性能、耗能系数及破坏形态；其次，研究了混凝土的非线性特性，建立了框支密肋复合墙梁非线性有限元模型，并借助大型通用有限元软件ANSYS进行计算；再则，进行了非线性有限元结果分析，主要研究框支密肋复合墙梁在竖向荷载与水平地震力共同作用下的荷载位移曲线，分析在竖向荷载单独作用下和在竖向荷载与水平地震力共同作用下墙梁的拱作用，托梁顶面的竖向应力和横向剪应力分布及变化情况，并讨论跨度比、洞口对墙梁拱作用和托梁顶面的竖向应力的影响。

Systematic experiments and analyses are made on the relation between tying technique s and patterns,emPhasizing on such factors as dyeing technical pmeters and fabric Physical state affecting the styles of tie-dyed nd silk pnductS in oudine sharpness or haziness and imPlicati0n, thus obtalning the 0ptimal dyeing technology for different tie-dying styles.

对主要的扎结技法进行了系统试验和分析，探索了扎给技法与图案纹样的关系；对影响真丝扎染制品风格的染色工艺参数和织物物理状态等诸因素进行了试验，优选得到不同扎染风格的最佳染色工艺。

The dynamic characteristics of the toe-in and camber of the rear wheel were measured on the vibration test table. The influences of different input manners were investigated such as the swept input and the stochastic input, the single input and the dual input. And an analysis was made of the testing results and the testing error.

设计制定了基于电－液伺服四通道车辆道路模拟试验台的后轮定位参数测量试验方案，在振动台架上测定该车后轮前束角和外倾角的动态变化特性，研究了扫频信号和随机信号加载和单双侧加载等不同的加载方式对测试结果的影响，并对试验结果进行了误差分析。

The analytical results have revealed that bond strains are approximately triangularly distributed along the embedded depth and changed significantly with increasing load levels. The data from OBFG have accounted very well for the phenomena happened during entire testing process.

分析结果表明，GFRP筋与混凝土之间的粘结应变沿埋置深度基本呈现倒三角分布，且随着拔出力的增大，粘结应变分布也发生较为明显的变化，记录的光栅数据也很好地印证了试验过程中发生的试验现象。

The wind tunnel experiment,project argument,structure calculation analysis, calculation of the joint bearing capacity, calculation and experiment of the support-joint load carrying capacity of a super-span stretched stereoscopic steel pipe trussing are introduced- A normal usage period of the project after it had been built indicates that the major trussing and the supporting structure below have enough bearing capacity and deformability, and meet the demands of design code and actual usage.

摘要］介绍了某超大跨度伸臂立体管桁架结构的风洞试验、方案论证、结构计算分析、节点承载力验算、支座节点承载力验算和试验等。该结构建成后一段时期的正常使用表明，工程的主体桁架和下部承力结构具备较强的承载变形能力和可靠的安全度，满足设计规范和实际使用要求。

The effect of the steel bar type and the heating temperature on the mechanics performance of steel bar was experimentally investigated.

进行了圆钢、螺纹钢、冷拔和冷轧扭4种钢筋高温下力学性能的试验研究，同时进行了螺纹钢筋高温冷却后力学性能的试验研究，并与室温下钢筋力学性能进行了对比分析。

Indoor flexural fatigue tests are carried out, the results are analyzed and two types of double logarithm fatigue equation under different stress level andequivalent stress level are got. Using the fatigue equation, the fatigue performance of porous concrete and common semi-rigid base materials and cement concrete are compared, the fatigue stress coefficient which is used in the load stress calculation for porous concrete as undersurface of cement concrete pavement and the tensile strength structure coefficient which is used in the flexural stress check for porous concrete as base of asphalt pavement are obtained.

进行室内小梁弯拉疲劳试验，对疲劳试验数据进行分析，得出多孔混凝土不同失效概率下两种形式的双对数疲劳方程，利用疲劳方程，将其疲劳性能与常用半刚性基层材料和水泥混凝土进行比较，还得出了多孔混凝土作为水泥混凝土路面下面层荷载应力计算的疲劳应力系数，和作为沥青路面基层层底弯拉应力验算的抗拉强度结构系数。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。