分析试验

By using the dynamic analysis model, the whole process of seismic responses of slitted shear wall was imitated Meanwhile the calculating results were in good agreement with the experiment results, the validity and applicability of this nonlinear R. C. finite element dynamic analysis model is further proved.

运用钢筋混凝土非线性有限元动力时程分析计算程序对带竖缝剪力墙在地震作用下的动力反应进行全过程仿真计算分析，取得了与试验相一致的结果，从而进一步证明了所建立的非线性有限元分析模型的正确性和可应用性。

Based on the analysis of the lateral dynamics of tractor-trailer combination , tests on snaking characteristic of the scale model of tractor-trailer are carried out at different velocities and parameters.

在建立汽车列车横向动力学模型的基础上，在汽车列车横摆模拟实验台上，对在不同车速、不同结构参数条件下的汽车列车横向摆振特性进行试验，并对试验结果和数字仿真结果进行对比分析。

Through a series of quenching, tempering, tensile testing, low-temperature impact test and metallographic analysis, we ultimately came to the following conclusions:(1) low-carbon alloyed steel 20CrMn2NiMoV quenching at 870℃ and tempering at 200℃, whose structure contains tempered dislocation lath martensite and few small bainite under mixed, has the best obdurability;(2) Carbon Steel 45CrMn2NiMoV quenching at 850℃ and tempering at 620℃, whose structure is sorbitic, has a performance less than that of low-carbon Alloyed steel, but it can also meet the basic design requirements.(3) Mn can substitute for the role of Ni within limited extent.

通过一系列淬火、回火、拉伸试验、低温冲击试验以及金相分析，最终得出以下主要结论：（1）低碳合金钢20CrMn2NiMoV经870℃淬火+200℃回火，得到回火位错型板条马氏体+少量细小下贝氏体的混合组织，具有最佳的强韧性配合；（2）中碳合金钢45CrMn2NiMoV经850℃淬火+620℃回火，得到回火索氏体组织，综合性能虽然不及低碳合金钢，但也能基本满足设计要求；（3）Mn在一定程度上能够替代Ni的作用，适量的Mn和Ni相互配合可以得到最佳的低温韧性，因此&以Mn代Ni&是低温钢材料研究开发中一条可行的适合我国资源状况的合金化思路。

To arrange the prestressed tendons and anchor devices on the web of box girder conveniently, a theoretical analysis, numerical calculation and model test on local stresses in concrete under anchor devices were performed separately using a typical segmental model, a subrange model and a similar model for the scheme design of Hutiaomen major bridge.

为便于箱梁腹板预应力筋及锚具的布置，结合虎跳门连续刚构桥的方案设计，对特征节段模型、子区域模型和试验模型锚下混凝土局部应力分别进行了理论分析、数值计算和试验研究。

The anodic behavior of electrolytic nickel anode in nickel sulfamate plating Solution was investigated,using anodic polarization curves,metallographic observation of cross-sections of nickel deposits,Hull Cell tests with solutions with and without Cl-,F-,bending tests with five solutions of different compositions,and sulfur content analysis in nickel deposit with mass spectrometry.

采用极化曲线、金相观察、赫尔槽电镀试验、弯曲试验和质谱分析方法，研究了氨基磺酸盐镀镍的阳极行为，证明了当在氨基磺酸盐镀液中使用电解镍阳极时，其活化峰值电流和镀液组成有很大的相关性，当镀液中不含F-和Cl-时其阳极活化峰值电流小，阳极处于极化状态，或相当大面积处于极化状态，使氨基磺酸根在极化的阳极表面氧化，从而使含硫化合物夹附于镀镍层，形成镀层内应力，并使镀层成为层状结构，并出现半光亮的外观。

In this paper, the orthogonal experimental analysis method is used to study on the effects of molar ratio of the unsaturated vinyl monomers, with carboxylic groups or sulphonic groups or polyoxyethylene side chain groups,etc., and the effects of the mean degree of polymerization in PEO side chains.

根据聚羧酸系高效减水剂的结构特点，采用正交试验分析法，分别研究了带羧基、磺酸基、聚氧化乙烯链酯基等活性基团的不饱和单体的物质的量之比及聚氧化乙烯链的聚合度等因素对聚羧酸系减水剂性能的影响，从而得出合成聚羧酸系高性能减水剂的一种最佳配方，并对试制产品进行了性能试验。

Based on the question, a series of theoretic and experimental studies, which includes analysis of mechanical behaviors of superelastic shape memory alloy, design of shape memory alloy damper, analysis of vibration control of SMA damper-cable system, have been completed. The main contents and achievements in this paper are as follows.

本文以这一问题为研究背景，从形状记忆合金材料的力学性能分析、SMA阻尼器的研制和SMA阻尼器—斜拉索系统振动与控制分析三个方面系统地开展了SMA阻尼器—斜拉索系统减振控制的理论分析与试验研究工作。

To explore Tephrosia facilitate emergence and survival of the matrix formula for rapid seedling Tephrosia to provide theoretical and practical basis for selection of the trial of domestic peat, imported peat, perlite, vermiculite, a mixture of river sand for the material of the different media for the cultivation of Tephrosia test, and eight kinds of formulations were measured by physical and chemical properties and the growth of Tephrosia physiological and observational data analysis of variance and multiple comparisons.

急急急！！！科技论文英文摘要翻译本人英语超烂~~没过4级~几天后就要答辩了~要赶论文啊~下面是我的摘要：为了探讨有利于对山毛豆出苗和成活的基质配方，为山毛豆快速育苗提供理论和实践依据，本试验选用国产泥炭、进口泥炭、珍珠岩、蛭石、河沙为材料混合组成的不同基质，进行山毛豆的栽培试验，同时分别测定8种配方的理化性质和山毛豆的生长生理指标，并对观测数据进行方差分析和多重比较。

In 1973 the Institute of Chemical Metallurgy was engaged to carry out research on fluidizcd roasting of titaniferous iron ore containing vanadium, with the special objective of utilizing the local resources of natural gas and hydraulic electric power, by reduction of the ore with a hydrogen-rich gas followed by melting of the reduced cinder in an electric furnace in order to separate the iron from a slag rich in vanadium and titanium.

化工冶金研究所于1973年接受了&流态化焙烧还原钒钛铁矿&的任务，要求结合当地资源，用天然气还原铁精矿，用水力发电熔化焙砂，再从熔渣中提取钒和钛。我们对流态化还原的若干方面开展了试验研究，包括铁精矿还原反应数据的获得和有关分析，以及可供应用的两种流态化反应器的工程研究。第一种是气控式多层流态化床，第二种是快速流态化反应器。此外，对于流态化还原中的失流以及熔砂的渣～铁分离和从熔渣中提取钒钛，也进行了试验研究。

A turnable damping was designed , and based on these, the road tests were done, analytical study on vibration performances of passenger seat were carried out, and the results were accordant.

在可调减振器的设计基础上，分别对车辆阻尼优化前后进行了试验，分析了车身与驾驶员座椅处的振动特性，计算与试验基本吻合。

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。