研究试验
- 与 研究试验 相关的网络例句 [注:此内容来源于网络,仅供参考]
-
The objective of this investigation was to compare the pharmacodynamics of Sheng Wu Niu Huang with those of the natural calculus bovis and the artificial calculus bovis from the acute toxity, antipyretic effect, hypnotic effect, anticonvulsive effect, anti-inflammatory effect, antiviral effect and the influence on the hemorheology.
运用比较药理学方法将生物牛黄中间体与天然牛黄、人工牛黄从急性毒性试验、解热作用试验、催眠作用试验、抗惊厥作用试验、抗炎作用试验、抗病毒作用试验以及对血液流变学影响等方面进行了药效学比较研究。
-
In this paper,Laterite soil adjacent to some stake of the highway in Chenzhou, Hunan section from Xiamen to Chengdu was used to investigate the deformation characteristics and protection methods of the Laterite soil subgrade under the influence of environment factors.Properties like water-holding capacity,capillary rise, coupled heat-moisture transfer and wetting deformation of samples under different compactness were studied through a series of laboratory tests.In addition,by using meteorological data of two consecutive years in Chenzhou,coupled process of moisture transfer and subgrade deformation was stimulated under the impacts of groundwater and the atmosphere.Specific work done in this paper is as follows:(1) Samples under different compactness were subjected to a series of conventional laboratory tests,such as permeability,consolidation,contraction,shear test and etc.
论文以厦门至成都高速公路湖南郴州段的红粘土为研究对象,以环境因素作用下红粘土路基的变形特征与防护方法为研究目的,通过室内试验研究了不同压实度红粘土的持水性能、毛细上升、湿热耦合迁移及湿化变形等特征,借助郴州地区连续两年的气象数据,模拟在地下水和大气的共同作用下路基内部红粘土水分迁移与路基变形的耦合过程,主要研究内容及结论如下:(1)针对不同压实度的红粘土,系统开展了其渗透、固结、收缩、剪切等试验研究。
-
The thesis also draw several conclusions as follows:(1) Orthogonal experiment design method can be viewed as a special case of genetic algorithm, i. e. a genetic algorithm with a fixed initial population, an oriented-mutation operator and one evolution epoch.(2) In terms of running steps, genetic algorithm is more complex than orthogonal experiment design method.
论文首次对正交试验设计法和遗传算法这两种独立发展起来的方法进行比较研究,提出(1)正交试验设计法是遗传算法的一种特例,即是一种初始种群固定的、只使用定向变异算子的、只进化一代的遗传算法;(2)遗传算法产生的优化解优于正交试验设计法产生的优化解,且遗传算法处理交互作用项的效率高于正交试验设计法;(3)遗传算法的步骤比正交试验设计法复杂,所需的试验次数也要多。
-
Selected the best cultivate condition by cultivated on four different media under different conditions; Observated morphology perperties; Studied on biology perperties by germ tube testing, Carbohydrate fermentation testing, Tween testing and Esculin dissociation; lysis testing.
选择四种不同的培养基分别在不同温度条件下培养,选出最优培养条件;通过光学显微镜、电子显微镜观察菌落及菌体的形态学特点;通过芽管试验、碳水化合物发酵试验、碳水化合物同化试验、沙堡培养基生长试验、过氧化氢酶试验、七叶苷分解试验、吐温试验研究该菌的生理、生化学特征;应用PCR技术通过特异性的引物扩增得到菌属特异性的片段,最后测定扩增片段的核苷酸序列,从而进行菌种的分析、鉴定。
-
With the help of orthorhombic experiments, the main research has been determined which includes optimization experiments of the key parameters optimization and multi- parameters comprehensive matching. The prototype was designed based on content and aim of the experiment.The experiment results of key parameters optimization show that Phase angle of adverse circulation should be larger than mixing arms phase angle on the single shaft.
本文在分析强制式搅拌机特点的基础上,探讨了与搅拌质量有关的参数,并给出了各参数优化的目标,利用正交试验设计方法,确定了试验研究的主要内容:包括关键参数的优化试验和多参数综合匹配的优化试验,根据试验内容和试验目的,设计了试验样机。
-
Based on them, distribution laws of subgrade temperature field under fluctuant boundary temperature cycle conditions are analyzed, and different ratios of slope for general subgrade and different status when there are or not banquettes are compared by laboratory simulation and numerical analysis; thermal insulation and cooling effect of thermal insulation slab, broken stone and non-power heat pipes is respectively investigated under the trend of elevated temperature by numerical analysis, laws of subgrade deformation are predicted under the trend of elevated temperature and influences of subgrade thaw settlement on pavement stress are studies by numerical computation for observation data of representative road sections selected.
为研究青藏公路冻土病害处治对策,从青藏公路2002年~2004年冻土病害整治工程实际出发,在系统分析研究青藏公路病害及发生机理的基础上,运用室内模拟试验、数值分析方法,依托处治冻土病害路段实际使用的隔热板路基、碎石路基、无动力热棒路基等进行现场试验,分析边界温度周期波动条件下的路基温度场分布规律,同时进行一般路基不同边坡坡率的对比研究及有无护坡道的对比研究;运用数值分析方法,对气温升高趋势下隔热板、碎石、无动力热棒的隔热降温效果进行了研究;选择代表性路段观测资料,运用数值计算的方法,进行升温趋势下的路基变形预测,研究路基融沉变形对路面应力的影响。
-
We analyzed and discussed the characteristics of cycle of carbon and water,and after having obtained important physiological parameters based on field experiment,a process-based, multilayer two-leaf model which calculates energy and material cycle separately for sunlit and shaded leaves was developed,then characteristic of CO_2 fluxes above the canopy was simulated.The main results are as follows:1.Characteristics of carbon and water cycle in the relationship of leaf photosynthesis -stomatal conductance-transpiration.
本研究以冬小麦为研究对象,利用LI-6400R光合—蒸腾测量系统、LI-6400-09土壤呼吸室和禹城生态试验站涡度相关系统等高精度仪器设备,对2007年和2008年小麦拔节至乳熟期间涉及碳、水循环过程的叶片光合—蒸腾作用、土壤呼吸作用及相关农田气象要素和植被特征进行了野外试验测定和分析,在试验观测基础上提取了重要生理参数,建立了基于过程的农田与大气间物质输送和能量交换的多层—双叶模型,并对2008年试验期间冠层上方碳通量特征进行了模拟,试验分析和模拟的主要结论如下:1。
-
The trail bridge design,the mixture performance test,the temperature between the different layers of the deck surfacing,the traffic investigation and the surface performance observation are introduced in this article.The basic performance of the mixture used in the trial bridge is analyzed through rutting tests at high temperature,bending tests at low temperature,fatigue tests of the composite beam and pull off tests.The rule of the temperature gradient distribution in the pavement and the variety relation ...
介绍润扬大桥钢桥面铺装试验桥的方案设计、试验研究、温度测试、交通量调查和使用性能跟踪观测,通过混合料高温车辙试验、低温弯曲试验、复合梁疲劳试验以及拉拔试验等分析实桥试验沥青混合料基本性能,阐述铺装内各层温度梯度分布规律及与大气温度变化关系,通过使用性能跟踪观测介绍浇注式沥青混凝土+环氧沥青混凝土新型铺装结构的工程效果。
-
Two types of single-ply materials, polyester cord reinforced rubber composite and rayon cord reinforced rubber composite, are firstly studied. The essential fatigue properties and rules under cyclic loading are obtained The fatigue mechanism was analysed in terms of fatigue life curve. This part of work lays foundation for catching the experiment information, analyzing the experimental results, confirming the influence factors and explaining the experimental phenomena.
作为试验基础,首先对聚酯帘线和人造丝帘线增强的橡胶复合材料单层板的疲劳进行研究,获得了橡胶复合材料在循环载荷下基本的疲劳特性和规律,并结合疲劳寿命图对疲劳损伤机理进行了分析,在试验信息获取、试验结果分析、影响因素确定、试验现象解释等方面为橡胶复合材料的疲劳研究奠定了基础。
-
Firstly, design principles and architecture of the test model are briefly introduced. Then we focus on the design method, the components and the operational procedure of the bionic long flexible fin, the control and communication module, as well as the motion control subsystem. Finally, some conclusions are drawn from the test data and experimental results of the test model, and the necessities to improvments and further research are also proposed.
首先,介绍了仿生水下机器人试验模型的设计原则及其系统总体结构,然后重点研究了仿生柔性长鳍、主控模块与通讯系统、运动控制子系统的设计方法、系统构成和工作原理,最后介绍了试验模型的系统测试与航行试验结果及其结论,并指出了仿生水下机器人试验模型的改进重点和柔性长鳍波动推进技术今后的研究方向。
- 推荐网络例句
-
The split between the two groups can hardly be papered over.
这两个团体间的分歧难以掩饰。
-
This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.
这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。
-
The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.
聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力