研究试验
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The main results of the study are obtained as follows:1 In order to analyze and study the physical and mechanical characteristics of Lianyungang marine soft clay deeply, large numbers of basic mechanical characteristics tests and tri-axial shear tests are completed.2 In order to investigate the loaded and failure characteristics of the cement-soil, the cement-soils for the different ratio and different cure time are studied in the laboratory, and their unconfined compression tests and tri-axial shear tests are performed.3 Based on the solution of one-dimension consolidation, the one-dimension consolidation of the double-layered foundation is solved for two-grade loading in virtue of transcendental equation; Simultaneously, the one-dimension consolidation of the double-layered foundation is solved by means of Laplace transform for two-grade loading, and Stehfest numerical transform is applied in Laplace's inverse transformation; Furthermore, according to the practical foundation shapes, the consolidation models of the soil between piles and the substratum are built and solved respectively.4 The effect of each parameters on the consolidation of the double-layered foundation is discussed, and the solution of load transfer method for double-layered foundation is applied in A1-A4 section of Lian-Xu expressway. The results of calculating settlement of the double-layered consolidation theory are basic agreement with the measuring settlement results.
取得了以下几方面的研究成果:1针对连云港海相软土进行一维固结和三轴剪切试验,深入分析连云港海相软土的物理力学特性。2模拟水泥土搅拌桩施工,在室内制备不同配比、不同龄期的水泥土试样,并进行无侧限抗压试验和三轴剪切试验,揭示水泥土的受力特性及破坏特性。3运用超越方程,以双层地基一维固结解析解为基础,推导出二级加荷条件下双层地基的固结解析解;同时,通过荷载传递法并借助Laplace变换对双层地基的固结问题进行了数值求解;此外,根据实际的地基结构,建立了桩间土和下卧层的固结模型并分别进行求解分析。4分析探讨了双层地基中各参数对双层地基固结的影响程度,并运用荷载传递法的解答计算了连-徐高速公路A1-A4标水泥土搅拌桩处理段的六个断面,计算结果与实测数据有较好的一致性。
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The isopiestic method is systematically studied, and the study includes theoretical analysis and experimental investigation.
基于等压法试验,本文研究了在由某一组分活度计算其它各组分活度的计算过程中误差传递的规律,得到了在试验过程中误差控制和试验数据安排等有关的规律。
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The suitable process parameters with high ratio of limonite were put forward through studying optimization of ore blending, different basicity, silica and MgO content of sinter, different size of limestone.
通过对烧结配矿优选试验,不同R、SiO2和MgO含量试验,不同的石灰石粉粒度试验结果的研究分析,提出了在高配比褐铁矿条件下适宜的配矿方案及合理的工艺参数。
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In order to understand the effect of fertilizer and plant on the microflora remediation in mercury polluted soil, fertilizing and cropping experiments, together with modeling cultivation treatments conditioned non- fertilizing and non-planting, were conducted in a neutral purple soil dressed with different rates of mercury chloride.
以中性紫色土为材料,通过向土壤添加氯化汞的模拟培养试验、施肥试验以及作物栽培试验,研究了汞对土壤中微生物区系和重要微生物生理群繁育的毒害效应。
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The result shows that the requirements and testing methods for flammability of building materials are similar between the United State and Canada, and they mainly are engaged in the test of combustibility and flame spread. In European Union, a new classification system for flammability of building materials was implemented in 2001, which includes two systems; one is for floor coverings and the other for all other building units. In Japan, the interior materials are classified into non-combustible, quasi noncombustible and fire-retardant materials according to Cone Calorimeter method (ISO 5660). China has established a non-combustible test, a three-class classification system for combustible wall and ceiling interior finishing materials and a two-class classification system for combustible floor coverings.
通过研究认为:美国和加拿大对建筑材料燃烧性能的要求和试验方法基本相似,他们主要针对材料的燃烧性、火焰传播进行检测;欧盟于2001年颁布了新的燃烧性分级体系,该分级体系包括专门针对铺地材料部分和针对其他所有建筑构件材料和产品部门;日本采用锥形量热计法(ISO 5660)将内装饰材料分为不燃、准不燃和阻燃材料3个等级;我国对建筑材料的试验方法包括不燃性试验方法、墙和天花板内装饰材料的三级分级体系和铺地材料两级分级体系。
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The clinical criteria for both diagnosis and efficacy evaluation of disease are also needed. To include all symptoms, tongue manifestations and pulse presentations into case report form, and to compare the differences in these clinical parameters between effective and noneffective cases by multivariate analysis may be helpful to find more specific indications for therapeutic protocol of TCM. Furthermore, It is suggested that two or more clinical trials on one therapeutic protocol are needed to identify its accurate indications.
中医药规范化治疗方案的研究必须体现中医基本理论,遵循现代医学临床试验设计方法以及利用现代医学关于疾病诊断和疗效判断的标准,应将中医证候相关信息纳入临床试验的检查项目之中,开展两次或多次的临床试验,利用多元统计分析方法,对比分析有效和无效人群的特点,寻求与中医药治疗方案有效结局相关的主观症状、舌象和脉象,从而找到该治疗方案的最佳适应症,形成规范的治疗方案。
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The analytical method used in this paper is justified by comparing with country norm form formula results , the result of Franco et al and the result of Yuxiu Wei et al.
综合各因素的影响,应用最小二乘法进行曲线拟合,得到了斜向波和多向波作用于直立堤上的平均越浪量的计算公式、单波最大越浪量的计算公式、单波最大越浪量和平均越浪量的关系式、越波率计算公式以及单波越浪量的统计分布形式,并通过与按照我国规范中斜坡堤越浪量计算公式形式拟合得到的直立堤越浪量公式和俞聿修,魏德彬的试验结果、Franco C,Franco L试验结果的比较来验证本文所采用的分析方法的合理性、试验结果的可靠性,以便于理论研究和工程设计参考应用。
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Based on topography and geological condition,this paper ulity field test and laboratory test to study the gradation, compaction, density, perviousness ,it can help the project cosnstrct and provide an reference for the other high embankment dam'construction.
为此,本论文结合该工程的地形、地质条件,采用现场试验和室内试验,对坝体各种材料的级配、击实、密度、碾压渗透及现场碾压特性进行试验研究,为工程的顺利建设和今后高土石坝建设提供参考意见。
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To study the ecophysiological effects of low temperature stress on podocarpus fleuryi Hickel seedlings, two-year-old seedlings were selected as experimental material. We conducted comparative study. On the one hand, seedlings were separately placed in the plots located at the top, half-way-up and the foot of Jinyun Mountain (different altitudes at Jinyun Mountain led to the difference in air temperature) and subjected to winter low temperature stress. On the other hand, in laboratory, seedlings were exposed to simulated low temperature stress which were artificially controlled .
为了探讨低温胁迫对长叶竹柏幼苗的生理生态影响,本试验选取长叶竹柏的二龄幼苗为试验材料,在试验方法上采取了对比研究方法:一方面,利用缙云山不同的海拔造成的温度差异,分别将幼苗置于山顶、山腰和山脚下三个样地中,进行野外冬季自然低温胁迫处理;另一方面,在实验室中,利用人工控制的不同低温进行模拟低温胁迫处理。
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For optimization parameters in structure and motion,the experimental method for the five-factor quadratics rotary orthogonal combination was adopted,and two evaluation indexes(mixing homogeneity and material powder) were applied in the experiment.
为了优化其结构与运动参数,采用二次回归正交旋转组合试验设计对5个试验因素进行了混合均匀度及物料细粉率作为指标的试验研究,得出了其结构与运动参数的合理组合,即揉搓转子转速宜取40~50 r/m in、剪切转子转速宜取55~65 r/m in,转子间隙宜取11~13 mm,齿杆角度宜取5~°10,°混合时间宜小于10 m in,充满系数不应小于0.1。
- 推荐网络例句
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But we don't care about Battlegrounds.
但我们并不在乎沙场中的显露。
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Ah! don't mention it, the butcher's shop is a horror.
啊!不用提了。提到肉,真是糟透了。
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Tristan, I have nowhere to send this letter and no reason to believe you wish to receive it.
Tristan ,我不知道把这信寄到哪里,也不知道你是否想收到它。