研究工程

In addition, based on a project case under water-inrush hazard, the field experiment has also been carried out; contrasted to other types of grout, such as cement with super fine slag, cement and water glass double grouts, and urea resin harnstoffharz, the applications and advantages of this chemical grout on inrush of high-pressure water controlling has further been proved.

以深部地下工程的加固和高压突水治理为研究对象，对一种新型化学注浆材料的化学反应封堵机制进行了可行性分析，并针对化学浆液的流动性、渗透性、抗冲刷性以及固结体的强度、水质毒理等因素进行了室内试验研究，详细地分析了浆液的物理化学特征，给出了浆液最佳配比值以及相应的性能指标。

HaNPV is the earliest commercial baculovirus insecticide in China and about 100, 000 hectare cotton farmland had been used such insecticide to prevent Heliothis armigera by the end of 1999. Many aspects of HaNPV such as the isolation and identification of different virus strains, bioassay of their toxicity, infectivity and duplication in culture cells, genome sequencing and some functional genes have been researched.

国内已对HaNPV进行了多方面的研究，包括病毒株的分离鉴定、形态特征、病毒生物活性测定、离体细胞感染和复制、测序和功能基因研究，基因工程病毒杀虫剂的构建等；但对其复制侵染与宿主细胞互作的分子机理，目前仍缺乏足够且深入的了解。

Utilizing hydrochemistry analysis and oxygen and hydrogen isotope analysis, integrating with hydrogeologic condition, the water environment of study area is described and reference to engineering construction is provided.

利用水化学、氢氧同位素分析，结合研究区水文地质条件，阐述了研究区水环境特征，为工程建设提供了参考依据。

Starting with the elevation of underground water resources and a safe level of mining through variable system theory, this paper analyzes the conditions of underground water resources based on the well-studied determination method of determining the two hydrographical coefficients: rainfall infiltration replenishment rate and irrigation replenishment rate. Then considering irrigation, rainfall, drainage and other related factors, a mathematical model is set up for the calculation of underground water storage,exploitation on water regulation. After analyzing the adaptability of molepipe drainage, an underground water table regulation is given out.

论文从灌区的地下水资源及其可开采量评价分析方面入手，在对两个主要的水文地质参数即降雨入渗补给系数、灌溉入渗补给系数确定方法研究的基础上，对灌区的地下水资源状况进行分析，依据灌区的灌溉、降雨、排水条件及各种现状因素，建立了地下水资源量计算的数学模型，西安理工大学工程硕士专业学位论文计算得到青铜峡灌区地下水的最大补给量和可开采量；另外对在开发利用地下水资源过程中的地下水位的调控进行了初步的探讨，在银北灌区开展对暗管排水调控地下水位的试验研究。

On the basis of consulting lots of home and oversea data, using the finite elementmethod, this dissertation comprehends profoundly the dynamics and stability of curved pipes conveying fluid which centreline is inextensible and which boundary condition is clamped-free, clamped-clamped, clamped-pinned, pinned-pinned that are constantly used in engineering.

本文在查阅大量国内外研究资料的基础上，利用有限元法对中心线不可伸缩的固定-自由、固定—固定、固定—铰支、铰支—铰支四种工程中常见边界条件的输液曲管的振动及稳定性进行深入研究。

Physical and mechanical characteristics of rock and soil disposed from open pit is measured by means of engineering geological survey and hydrogeological survey as well as large amounts of laboratorical and field tests, based on the analyses of geological dates. Slope stability of waste-disposal sites is simulated by intelligential finite element method and predicted by BP nerve network method.

本研究在收集大量资料的基础上，通过工程地质、水文地质调查、勘察，以及大量的现场和室内试验，得出了新桥矿业有限公司露天排土场主要岩土物理力学性质，利用智能有限元方法进行了排土场边坡稳定性分析，并采用BP神经网络方法对边坡的稳定性进行了预测评价，在此基础上，对排土场排土工艺进行了优化研究。

For the purpose to be used in polluted water bio-remedy, this paper shows the pilot study of the growth characteristic of Jussiaea. stipulacea Ohwi in different eutrophic water body and high Cd~(2 ) contented water.

本文以黄花水龙(Jussiaea.stipulacea Ohwi)为研究对象，初步研究了其在不同程度富营养化水质中的生长特性和在高浓度镉污染水质中的耐受能力，探讨其在水污染生物修复工程中的广泛利用的可能性和发掘潜力。

With the help of some investigation data about the research area before the project ,this article describes some distinctions about the Rushan Bay's sedimentation power in such ways .First of all ,it mainly uses tidal current power as well as wave power to analyse sediment condition in research area .The contents contain :the relation between distribution of sediment and hydrodynamic elements; sediment discharge of unit width and longshore sediment transport ,analysis of sediment transport tendency ;comparison of sea chart in different time with AutoCAD、Suffer、VB tools, analysis of erosion and siltation ;description of marine physiognomy and its relation with hydrodynamic elements .

本文通过工程建设前期的有关调查资料，采用如下方法对乳山湾的沉积动力特征进行研究：首先，文章以潮流动力为主，结合波浪动力对研究区的泥沙状况进行了分析，分析内容包括：沉积物平面分布及其与水动力因素关系；口门附近水下动力地貌分析，揭示其形成与水动力因素的关系；通过单宽输沙、沿岸输沙计算，对泥沙运移趋势进行分析；利用AutoCAD、Suffer、VB等工具，采用海图水深值对比的方法，分析乳山湾海底蚀淤状况。

Some important conclusions were obtained, and a new theory of multiaxial damage fatigue and the life prediction models were presented. First, based on the multiaxial fatigue experimental researches, the characteristic of cyclic stress-strain relation was studied deeply under multiaxial proportional and nonproportional loading.

本文在综述目前国内外多轴疲劳研究成果的优点与不足的基础上，从工程应用角度出发，在试验和理论两个方面深入研究了多轴疲劳损伤与寿命预测问题，得到了一些重要试验结果，在此基础上提出了新的多轴疲劳损伤理论及寿命预测模型。

The larger subharmonic component will be introduced into the system after the instability of system periodic motions, the motion of systems will be nonsynchronous precession and the amplitude of alternate stress in the rotor shaft is high. The long-term existence of instability will directly threaten the safe running of the rotor systems. Research on the influence of the change of system parameters on the system dynamical behaviors, the stability of system periodic solutions with the change of system rotational speed and the system motion after instability will have the theoretical and engineering-oriented significance for the long-term safe running of large-scale rotating machinery.

转子系统失稳后会产生较大的低频振动分量，系统运动出现非协调进动，系统转轴中会产生幅值很大的交变应力，转子失稳状态的存在直接影响系统的安全运行，因此研究转子系统自身参数的变化对系统动力稳定性的影响，研究系统周期解随工作转速的变化情况及其失稳后的运动规律，对大型旋转机械的安全稳定运行具有重要的理论意义和工程实用价值。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！