Finally, the methods of fault clearance such as halt, black screen and image show abnormality of SEM is introduced in this paper. 介绍电镜经常出现的死机、黑屏显示图像不正常等故障的排除方法。
The committee was especially critical of the agency for removing the power of clearance officers to assess applicants 'intentions on paper and, in some cases, by interview. 委员会尤其批评边境管理局取消了签证官通过书面材料(某些情况下通过面谈)来评估申请人意图的权力。
Based on the semi-active control theory, a new type clearance viscous damper is presented in this paper. 基于半主动控制理论,本文提出一种新型的间隙式粘滞阻尼器。
Taking into account the influence of randomness of clearance error caused by the joints including spherical and rotational hinges, this paper proposes an actual error model of parallel robot. 充分考虑关节(球铰、回转副)间隙误差随机性的影响,在运动学逆解的基础上,建立了并联机器人实际误差模型;
Based on the elasticity theory, the factors which affect the high speed rolling bearing ′ s work clearance in loss lube condition are analysed in this paper. The variations of high speed rolling bearing ′ s work clearance are studied and the concerned formulae are presented. 以弹性理论为基础,分析了失去润滑情况下影响高速滚动轴承工作游隙的因素,研究了轴承工作游隙的变化并给出其计算公式。
A method to determine ship's under keel clearance for safe navigation in open and shallow water is presented in this paper by using shallow waters hydrodynamics, theory of the motions of ship in waves, ship model test data and ship maneuvering theory. 利用浅水流体动力学、船舶在波浪中运动理论、船模试验数据和船舶操纵理论,为船舶在开敞浅水域中航行提供合理确定富余水深的方法。
Based on the dimensionless nonlinear differential equation of a spur gear with piecewise-linear clearance function, this paper derives a precise analytical solution of the system. 在间隙函数为分段线性函数的单对齿轮系统非线性微分方程量纲一化的基础上,给出了系统的精确解析解。
The clearance of short-lived radon daughters from rabbit lung is studied in this paper. 本文探讨短寿命氡子体从家兔肺内的廓清。
The calculation method for radial clearance of turbine blade tip considering the effect of temperature and rotational speed is developed in this paper. 给出了考虑温度和转速影响的涡轮叶尖径向间隙的分析计算方法。
Through a practical case of underground barrier clearance in a large construction project, this paper expounds the positive effects, i.e. shortened construction schedule and reduced cost, brought about by supervisory engineers 'technical service to the proprietor so as to prove the importance of supervisory administration. 本文结合某工程清除地下大型障碍物的实践,论述监理工程师为业主提供技术服务、取得了缩短工期、降低工程造价的效果,说明工程监理的重要作用。
Based on the principle of continuous contracting, three-dimensions of powered support model whose joints with clearance was constructed in the paper. 在充分研究含间隙铰液压支架模型的基础上,建立了三维连续接触铰间隙支架模型。
The changes of valve clearance and their effects on the working function of internal combustion engine are ( introduced) in this paper, and the ways to adjust the valve clearance of four-stroke internal combustion engines are studied ( also.) 主要介绍了气门间隙大小的变化及其对内燃机工作性能的影响,探讨了四冲程内燃机气门间隙调整的方法。
Modification of the clearance formula of hydroxyl radical in the paper Assay of hydroxyl radical produced by H_2O_2/ Co~ ( 2+) reaction using alizarin violet spectrophotometry 对《茜素紫光度法检测H2O2/Co~(2+)产生的羟自由基》一文中自由基清除率计算公式的刍议
The main principles of choosing a suitable diametral clearance are presented in the paper. 最后文中还给出了轴承径向游隙选用的一般原则。
It was found in use of this formula that the clearance of hydroxyl radical by vitamine · C was much different from the result reported in other paper, it was sure that some carelessness existed in the original formula. 实验发现该文中的公式有疏忽,按原公式计算结果和其他文献对相同物质维生素C清除羟自由基的结果有差异。
In order to solve the contradiction of construction development with airfield clearance protection, this paper analyzed the influence of weather condition, navigation equipment, takeoff and landing path on the airfield clearance zone. 为了解决城乡建设和机场净空保护之间的矛盾,分析了气象条件、导航设备、起落航线和飞行技术对机场净空区范围的影响。
It is shown that the vehicle longitudinal control algorithm can provide satisfactory clearance control performance with string stability about dangle after the vehicle in this paper. 本文通过尾随前车工况最终证明通过此车辆纵向控制算法可以实现确保车辆队列稳定的车辆间距控制。
The method of eliminating axial clearance, logical fixing configuration and effective guard of ballscrew nut pair are all introduced in this paper. 介绍滚珠丝杆螺母副轴向间隙的消除方法、合理的安装结构和有效的防护装置。
By optimum design theory, the best axis-direction clearance of pneumatic vane motor is obtained in this paper. 本文利用优化设计原理确定叶片式气动马达的最优轴向间隙。
The results of experimental study of flow pattern in the end clearance of guide-vane of water-turbine by means of visualization are presented in this paper. 本文介绍了利用流场显示技术对导叶端面间隙流态进行试验研究的结果。
Based on the need for small size measurement in industry, a kind of photoelectric measuring apparatus to clearance is designed in this paper. 基于工业上小尺寸测量的需要,设计了一种可用于测量间隙的光电检测装置。
For the impeller, the optimal relative tip clearance 2.6% is a compromise between aerodynamic and structural requirements. The results of this paper are of certain values in centrifugal compressor design. 对所研究模型,综合考虑气动及强度振动因素,叶顶相对间隙最佳值取为2.6%,计算结果对离心压缩机设计具有一定的工程指导意义。
The pressure fluctuation of the tip clearance flow of the rotor in a single-stage axial compressor have been measured and analyzed in this paper. 本文对一单级轴流压气机的转子叶尖间隙流场的动态压力进行了测量与研究。
Kinetic analysis methods are applied to the linkage of crank-rod with a clearance in this paper, and a kinetic model is set up for the linkage. 对内燃机曲柄-连杆机构带间隙情况进行了动力学分析,并建立了动力学模型。
By analyzing the computation formulae for the vehicle gauge in the Standards of Metro Clearance Limits, the paper indicates that the safe gap between the platform and the carriage body can be determined by the type of carriage doors. 通过分析《地铁限界标准》中车辆限界计算公式,指出站台建筑限界和车体之间的安全间隙可按车门类型来确定。
Research finding about the tip clearance of engine in the paper is basal; they can be used as reference of aero-engine design and the tip clearance control. 这些工作对于发动机初步设计设计和叶尖间隙控制理论研究有一定的参考价值。
The contact torque model of gear with clearance was established by means of modern mechanical dynamics. Through the program MATLAB, this paper calculated the dynamic response of contact torque model under certain circumstance. 文中引入现代机械动力学的研究方法,建立了含间隙齿轮传动的接触扭矩模型,并进行了数值计算。
Formulas for predicting the clearance size corresponding zero flowrate is also presented in the present paper. 由此得出了相应于零鼓风量下用来计算间隙尺寸的公式。
The bearing clearance can be satisfied to conform to the requirements of standard and the diameter deviation of needle incircle will be F6. When the clearance interchangeable formula derived in this paper is adopted. 当采用文中导出的互换游隙公式进行配套计算后,轴承游隙能满足标准规定范围的要求,同时滚针内切圆直径偏差一定为F6。
The confusion caused by revolution is particularly between the roles and relationships, so this will be an efficiently way to find a clearance from these two sides. This paper will discuss a new criterion and break the organization barriers from clear the responsibility and relationships. 改革给教师带来的混乱主要是角色和关系的混乱,因此从这两个方面着手是帮助教师找到清晰的好方法,本文从明晰管理职责和关系,确立新的评判标准和打破机构壁垒展开讨论。