试验设计

As a result, atmospheric decomposition of natural gas hydrate under different temperatures (from -5 ℃ to -25 ℃) is studied through forming natural gas hydrate by using the solution of 300 mg/L sodium codicil sulfate and hydrate reactor with the compaction function is designed and made in which atmospheric decomposition under different temperatures （-10 ℃,-15 ℃ and -20 ℃） is studied after compacted at 10 MPa.

为此，用300 mg/L的十二烷基硫酸钠溶液生成天然气水合物，试验研究天然气水合物在不同温度（-5~-25 ℃）下的常压分解；设计制造了带压实功能的水合物反应釜，试验研究用10 MPa压力对水合物进行压实后在不同温度（-10 ℃、-15 ℃和-20 ℃）下的常压分解。

The test in the lab and the field shows that the system achieves all the design targets including stableness, precision and automatization with an interface that is easy to practice and extensible and it can receive data correctively and get a credible result after processing.

通过在实验室及海试现场对系统进行的一系列试验，其试验结果表明，数据接收处理系统各项指标达到设计要求，能较好地满足对系统稳定性、测量准确度以及使系统真正达到无人值守方面的要求，而且系统操作简单、界面友好、具有可扩展的特点，该系统数据接收准确，处理结果真实可靠。

Through the study on crosswind stability test, this paper aims to search for an effective method of virtual test in order to provide theoretical evidence in improving handling stability of high-speed automobile as affected by crosswind.

通过对侧风稳定性试验研究，探求一种有效的虚拟试验方法，为汽车设计时提高侧风作用下高速行驶汽车的操纵稳定性提供理论依据。

Through the study on crosswind stability test, this paper aims to search for an effective method of virtual test in order to provide theoretical evidence in improving handling stability of highspeed automobile as affected by crosswind.

通过对侧风稳定性试验研究，探求一种有效的虚拟试验方法，为汽车设计时提高侧风作用下高速行驶汽车的操纵稳定性提供理论依据。

With the method of Stress Function,this paper analyzes the distribution of stresses of biaxial tensile and builds the finite element model of biaxial tensile test of cruciform specimens with slots on arms.

用应力函数法分析了双向拉伸的应力分布，建立了臂上开缝十字形试件双向拉伸试验的有限元模型，使用大型通用有限元软件ANSYS8.0对十字形双向拉伸试验进行模拟及分析，并对其结构尺寸进行优化设计。

Because of only decennary or more researching course, current work on the control methods and control devices is far unmature. For the purpose of deriving the structural system to step into practical projects and ultimaly form directive criterion or regulations, it has important academic and practical significance to engage in theoretical analysis and experimental study on the structral system thoroughly and systematically.

由于该研究仅有十余年的历程，故目前对其控制方法和控制装置的理论及试验研究均尚不成熟，为推动该结构体系走入实际工程并形成可指导实际设计的规范或规程，对该结构体系进行深入、系统地理论分析和试验研究具有重要的理论和实际意义。

So the design of feasible apparatus and the experiments of slurry pipeline transportation based on it have important meaning.

因此研究和设计可行的试验管道系统，并以此进行泥浆管道输送的试验研究具有重要的意义。

Using the apparatus of high stress and high hydraulic pressure developed by author, a series of tests was carried out, and the expressions of dewater consolidated settlement with hydraulic pressure and coefficient of permeability with efficient stress was obtained.

通过自行设计的高应力、高水压试验装置，进行了一系列的试验，获得了疏排水沉降量与水压变化、渗透系数与有效应力之间的关系表达式；首次对回归系数的主要影响因素从颗粒级配的特征粒径和特性参数入手，进行了系统的分析；得到了压缩模量与水压降的正相关关系式；提出了一种简便、易行的先期固结压力的确定方法，并对深土力学特性进行了初步研究；推导了各种边界条件下Terzaghi 和Biot 固结理论的水头及沉降量的解析解或半解析解；编写了隐式差分

New ideas and methods in the paper:1 The formulas on perforated casing collapse strength were deducted, which offereda convenient method to analyze the relationship between casing collapse strength and perforation;2 The stress and displacement formulas on the system of casing, cement anddeformation under the non-uniform load were deducted, which offered the theoretical found for designing optimally casing string;3 The relationship between structure in-situ field of whole oil field and casing failurewere studied, which offered the scheme for the prediction of casing failure. The process of study in the paper:1 For simulating the relationship between the structure in-situ field and the casingfailure in the oil-deformation, the tests of the uniaxial tensile, compress, tnaxial compress and dilatability were made on the samples of the drill cores from deformation of casing failure position in Yuejing II oil field.

本文的主要创新： 1推导出了射孔套管抗挤强度的解析式，为分析射孔与套管强度的变化关系提供了简便的方法； 2推导出了非均匀地层载荷作用下套管、水泥环和地层组合体的应力和位移解析式，并非均匀作用下套管柱优化设计提供了理论依据； 3研究整个油田区块构造应力场与套管损坏关系，为预测套管损坏提供了可行方案；本文的研究过程如下： 1为模拟构造应力场与油层段套管损坏关系，做了大量的岩石单轴抗拉、单轴抗压、三轴试验以及岩石遇水膨胀试验，获得了研究区块岩石的弹性模量、泊松比、内聚力、内摩擦角以及岩石的线膨胀系数，这此数据为本文研究油层段套管损坏机理研究的理论分析和有限元法提供了实验数据。

Two turns and seven composting treatments had been conducted and the composting parameters were deeply studied, The results are:(1) Keeping 55 ℃ and lasting over two days, the disease-producing germ can be killed completely.

设计、建造了能提供强制通风的试验堆肥池4个，每个池体的容积为6m~3；进行了二轮7个不同物料配比的堆肥试验，对堆肥过程的参数进行了系统深入的研究。

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。