压下

In this paper, the analytical expressions of seismic input for homogeneous elastic half-space are first derived in oblique incidence of plane SV-wave, and then a finite element model for a real hydropower cavern group composed of main powerhouse- transformer chamber- tailrace surge tank cavern is created. Characteristics of seismic responses such as displacement, acceleration and stress are studied in detail at different incidence angles and some results are compared with those given by the literature.

本文首先推导了平面SV波斜入射下均质弹性半无限空间的地震动输入表达式，然后建立了某水电站主厂房室-主变室-尾水调压室等构成的地下洞室群有限元模型，详细研究了不同入射角度下各洞室的位移、加速度、动应力等地震反应特点，并与文献进行了对比。

Firstly, the soil samples are gathered from the same section such as surface layer soil samples gathered from 0cm to 15cm depth and representation on studied object. Secondly, the precondition of tested samples must be the same. This study indicates that the tested samples must be 1mm diameter, over-dried at 40℃ for 24h and airtight cooling for 24h before measured for air-dry samples, and softly planish the surface at measuring. Lastly, the illuminating condition of light must be the same. This study indicates that the testing geometric condition are light source angle 15°, light source distance 30cm and sensor distance 15cm for soil hyperspectra indoor. The surface of white reference must be the same plane of that of sample.

第一个环节的"相同"是指田间土壤样品采集时的剖面位置一致，如表层土都采集0～15cm深度范围内的土壤，且所采集的样品应能尽量具备研究对象的代表性；第二个环节的"相同"是指土壤制备过程中的一些前处理条件应一致，建议土壤光谱测试样品的粒径1mm，风干土壤样品测试前在40℃恒温条件下烘24小时，然后密闭冷却24小时，测试时土壤表面进行稍稍压平处理；第三个环节的"相同"是保证测试光照条件的一致性，建议在50W卤素灯、8°探头角条件下，采用15°的光源照角度、30cm的光源距离和15cm作为室内士壤高光谱测试几何条件，测试时除遵循光谱测试指南的要求外，还须保证参考板表面与测试土壤样品的表面在同一平面上。

In most cases, psychosomatic disorder is a result of the body's response to a stress or chronic anxiety.

在大多的情况下，心身症是身体在心受到压或是长期焦虑下的一种结果。

Numerical Simulation and Experimental Investigation on A Thermoacoustic Engine with Tapered Resonance Tube A symmetrical standing-wave thermoacoustic engine with tapered resonance tube has been numerically simulated with liner thermoacoustics. The simulation shows that using tapered resonance tube in thermoacoustic engine could decrease the velocity amplitude and lower the total acoustic power loss in the resonance tube. The experimental results indicate that the harmonic was suppressed effectively by using the tapered resonance tube, and the pressure ratio was improved.

采用锥形谐振管的热声发动机的数值模拟和实验研究利用线性热声理论，对一台采用锥形谐振管的驻波型热声发动机进行了数值模拟，发现采用锥形谐振管可有效降低工质气体的速度振幅，进而减小在谐振管中声功率的损失；与一台在相同频率下工作的采用等直径圆柱谐振管的驻波型热声发动机进行了实验对比，结果表明，在使用锥形管作为谐振管的热声发动机系统中，谐振管中的非线性效应得到了明显的抑制，热声发动机在基频模式下稳定运行，压比增大而加热温度降低。

These coatings have been characterized by the state-of-the-art techniques of XRD, nano-indentation, scratch test, SEM, RBS, etc. As the result, it was found that TiN coatings prepared by -100V DC bias are characterized with the (111) preferred orientation and the coatings prepared by pulsed bias with (111),(200) and (220) hybrid orientations.

通过XRD、纳米压痕仪、划痕仪以及SEM、RBS等手段对薄膜的结构和性能进行了测量和分析，结果发现，-100V直流偏压下TiN薄膜有明显的(111)晶面择优取向，而脉冲偏压条件下TiN薄膜为(111)、(200)、(220)混合晶体取向。

The CNR of fat and muscle belly on T_1WI was higher than on PDWI(p = 0.000).Conclusions:1、Routine MRI can demonstrate the dependency structure of shoulder clearly.The distance of subcoracoid was 8.84±2.97mm.The distance of sub-acromion was 5.23±1.05mm. 2、The 3D-fiesta imaging with muti-angle reconstruction is better in showing the coracohumeral ligament,coracoacromial ligament,coracoclavicular ligament, capsulolabral complex and the bone of shoulder,combing with oblique coronal and oblique sagittal imaging of the fat-suppression sequence,the diseases of shoulder can be diagnosed.

1、常规MRI能够较清楚显示肩关节相关结构，喙突下距离8.84±2.97mm，肩峰下距离5.23±1.05mm.2、3D-fiesta序列图像，应用重建功能行任意角度重建，可更好地显示喙锁韧带、喙肩韧带、喙肱韧带、盂唇-关节囊复合体及肩关节骨骼，结合斜冠位、斜矢状位的压脂序列，即可达到对肩关节疾病进行诊断的目的。

In this thesis, I summarize the theoretical calculation method, applied scope and notice of siphonic drainage system, and point out the advantage of siphonic drainage system compared with gravitation drainage system. In the archetype experiment study of siphonic drainage tube, I adopt different tube diameter and different structural height to survey the drainage volume and press in different place. I observe various kinds of flow state, and get chief factors which influence hydraulic peculiarity of system as the tube diameter or structural height, and find out the relevance of factor to flux. I apply CFD Fluent software and adopt standard k-ε model and RNG k-ε model, then use finite volume method and second-order upwind scheme to discrete numerical model, while coupling numeration of velocity field and press is based on SIMPLE. In the numerical simulation of curved part of tube, siphonic drainage tube experiment system and multi-outlet siphonic drainage system, I make research on internal velocity and press of system in different project condition by changing the tube diameter of curved part, negative press value in tube export and improving the quantity of water gutter. This thesis first adopts a method of combining archetype experiment and numerical simulation to study the siphonic drainage system, test and verify the validity of experiment and numerical simulation, and makefurther study on system, it solves the problems of limited testing conditions, and has a logical results, it can provide a valid method for optimizing and designing the drainage tube-net system. The conclusion have referring value for study and design of siphonic drainage system.

本文首先对虹吸式排水系统理论计算方法、适用范围以及注意事项做出总结，并分析了虹吸式排水系统的优势；再对虹吸式排水管道进行原型试验研究，采用不同管径不同立管高度，对系统流量、管道压强进行量测，观察了各种工况下的流态，对其水力特性进行研究分析，找出影响水力特性的落差、管径主要因素以及与排水量的关系；进一步应用计算流体力学Fluent软件，采用标准κ-ε模型与RNGκ-ε模型，计算过程应用有限体积法和二阶迎风格式对数值模型进行离散，速度和压力的耦合采用SIMPLE算法，分别对系统弯管段、虹吸排水管道试验系统、多斗虹吸式排水系统进行数值模拟分析，通过改变管段弯头处半径、管段出口负压值、增加雨水斗数对不同工况下系统内部的速度和压力进行研究；本文首次采用结合原型试验与数值模拟相结合的方法，对虹吸式屋面雨水排水系统进行研究，试验与模拟相互验证，并进行拓展，很好地解决了虹吸式屋面雨水排水系统由于试验条件限制问题，结果正确合理，为排水管网系统设计和优化研究提供了有效的方法，对工程设计有较好的参考价值。

Open a spile , start an electric control valve motor when the job,control valve push in cam circular disc lower open up, lotus seed is followed by pressure to damaged shell knife , shell is cut apart thereupon and flesh is parted from the lotus for on causing a device to fall onto the squeezing claw squeezing a wheel under lotus seed classics, in squeezing a wheel rotating.

工作时，打开插板，启动电动机，控制阀在凸轮圆盘的推动下打开，莲子经下引装置落到挤压轮的挤压爪上，在挤压轮转动中莲子被压向破壳刀轨，于是壳被切开并与莲肉分离。关键的时候翻译不出来，大家帮忙先谢谢哈

Open a spile , start an electric motor when the job,control valve push in cam circular disc lower open up, lotus seed is followed by pressure to damaged shell knife , shell is cut apart thereupon and flesh is parted from the lotus for on causing a device to fall onto the squeezing claw squeezing a wheel under lotus seed classics, in squeezing a wheel rotating.

工作时，打开插板，启动电动机，控制阀在凸轮圆盘的推动下打开，莲子经下引装置落到挤压轮的挤压爪上，在挤压轮转动中莲子被压向破壳刀轨，于是壳被切开并与莲肉分离。关键的时候翻译不出来，大家帮忙先谢谢哈

Methods With non - surgery elderly CHD patients at the stane periods as control,the whole blood viscosity and whole blood reduction viscosity were determined under three different shearing stress conditions ( 150s-1 ,60s- 1 and 10s- 1 )by NXE - 1 weissenberg wiscosimeter, plasma viscosity was tested under middle shearing stress condition, and the hematocrit was also determined by rourine method.

方法以NXE-1型椎板粘度计在150s-1、60s-1和10s-1 3个不同切变条件下测定老年冠心病手术患者的全血粘度、全血还原粘度，在中切变条件下测定血浆粘度，以常规方法测定血球压积。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。