分析试验

Experiments on the effects of flood for agricultural crops were done in Zhumadian. corn was selected as the experimental material, and choosing 3 days, 5 days and 7 days submerged days and the jointing stage, tasselling stage for artificial irrigation respectively. The field was given conventional management. After harvest, we recorded various characters and production data, and then compared them with the controlled areas. Then analysis and assessment of the impact of main flood factors on the crops were built.

2在驻马店市驿城区申庄村进行农作物洪水影响田间试验，用玉米作为试验材料，选取3 d、5d、7d三个淹没天数和拔节期、抽雄期两个淹没阶段分别对其进行人工灌水，田间采取常规管理，在作物收获后对玉米的各个性状及产量数据做记录并和对照区进行对比，进而分析和评估洪水灾害发生时对农作物的影响情况。

This paper makes the fitting analysis of the field test data according to the hyperbolic model established by the interface spring theory,and simulates the experiment of bolt upraising by means of the finite element method.After the comparison of the calculated results with the field test results,the paper draws the main conclusion that good fitting effect can be obtained when the hyperbolic model is adopted in fitting the relationship between axial force and depth.The interfacial shearing stiffness will so...

文章按照界面弹簧理论所建立的双曲线模型，对试验实测数据进行了拟合分析，并采用有限元法对锚杆上拔试验进行了模拟，对比计算结果和实测结果得出的主要结论为：采用双曲线模型拟合锚固轴力随深度变化的曲线，可以取得良好的拟合效果；在逐级加载的条件下，界面的剪切刚度呈软化的趋势；在锚固界面没有发生较大滑移的情况下，计算位移和实测位移比较接近。

This paper described the mechanism of the aero-engine windmilling drag, and theoretically deduced the formula for determining it in the simulated altitude test, and finally the experimental method for determining the engine windmilling drag was introduced.

本文分析了航空发动机风车阻力的产生机理，推导了发动机高空台试验中风车阻力确定的计算公式，介绍了航空发动机风车阻力确定的试验方法。

This method can be used for an overall and precise analysis of the structure of the derrick, and a case study shows that this method is suitable for all kinds of derricks.

实例测试和计算机载荷模拟试验表明，这种方法可使井架的试验和分析更加全面、准确、可靠，而且适用于各种类型的井架。

The results of hue determination showed that adding ascorbic acid could make the natural color of pumpkin noodle enhanced, and had the best effect on the color-protection under the conditions of lighting.

通过单因素对比试验及L9(3)4正交试验的色差测定分析，研究了在光照条件下抗坏血酸、食用碱和食盐的添加对南瓜面条色泽的影响。

Some investigations are made out on the mixture in the middle course through the modified wheel tracking test in air bath and the Hamburg wheel tracking test in water bath, and the results of which are compared with the corresponding research in Germany.

通过中面层空气浴改进车辙试验及汉堡浸水车辙试验，对中面层沥青混合料的抗车辙性能进行了研究，并与德国的相关研究成果进行了比较与分析。

Through analyzing the work characteristic and the work mechanism of the interface in this research paper, bonded rebar technique is applied to the bonding treatment of the interface, the reformative method of enlarging sectional areas is proposed, and the work mechanism of the anchor bar in the interface is analyzed. The work mechanism of the reformative method of enlarging sectional areas and the interface mechanical performance have be more systematical analyzed and studied with the finite element numerical simulation method, the structural testing method, and combing project practice. Based on that, the suggestion formula of shear and tension bearing capacity for the old and new concrete is put forward.

本研究论文通过分析新旧混凝土界面的工作特点及工作机理，将化学植筋技术应用于新旧混凝土界面的粘结处理，提出改进的加大截面加固法，分析了锚筋在新旧混凝土界面上的工作机理；运用有限元数值模拟方法和结构试验方法，并结合工程实践，对改进的加大截面法的工作机理及界面受力性能进行了较为系统的研究分析，提出了新旧混凝土抗剪、抗拉承载能力的建议公式；根据研究结果，提出了改进加大截面法的设计原则和施工工法，并在工程应用中取得了良好的效果。

The 1∶3 scaled-down model test is carried out for the ear plate type cable and girder anchor structure of the steel box girder of Hangzhou Bay Sea-Crossing Bridge,and further,through the model test and simulation analysis,the type of the anchor structure of steel box girder of long span cable-stayed bridge is studied from aspect of stress distribution,force transformation path,safety and workability of the structure.

对杭州湾跨海大桥钢箱梁耳板式索梁锚固结构进行了1∶3缩尺模型试验，并通过模型试验和仿真分析相结合，研究大跨度钢箱梁斜拉桥中耳板式索梁锚固结构的应力分布、传力途径、安全性能和使用性能。

The shear angle was measured by means of spring "Quick-Stop" device at various cutting speeds.

基于对传统的剪切角模型的分析，借助快速落刀试验及直角切削力试验，获得了航空铝合金7050-T7451在切削加工中的剪切角以及前刀面的平均摩擦因数。

In order to avoid or reduce arc fault hazard,the authors established an arc fault detecting test system with the method of power spectral analysis to study the early acoustic characteristics of fault arc ,and extracted the sound signature of early fault arc by using power spectrum analysis.

为了避免或减少故障电弧的危害，笔者建立了故障电弧探测试验系统，采用功率谱分析的方法对故障电弧的早期弧声特性进行了试验研究，提取出故障电弧的早期弧声特征信息。

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。