查询词典 calculation

Tape using professional calculation software to calculate tape at various turning points, pull suffered, according to these parameters, calculate the various turning points and turning points before and after the roller bracket roller tilt angle and tilt angle to ensure that tape is running at the turning point reliability.

转弯皮带输送机采用专业的胶带计算程序软件计算出胶带在各个转弯点所受到的拉力，根据这些参数算出各个转弯点及转弯点前后的托辊支架的倾斜角度和托辊倾斜角度，确保胶带在转弯点运行的可靠性。

The design method is described, and the calculation results are presented under the standard air conditioning condition. The working process of the two-stage expander is discussed, and the difference between the two-stage expander and the conventional one is stated. In addition, the influence of the dip angle on the expansion chamber volume is analyzed. The results show that the dip angle has little effect on the expansion chamber volume and it is suggested that the effect may be neglected in the expander design.

介绍了该膨胀机的设计方法，给出了标准空调工况下的计算结果，详细讨论了两级旋叶式膨胀机的工作过程，并对两级膨胀机与传统旋叶式膨胀机的区别进行了论述，最后分析了滑片倾角对工作腔基元容积的影响，结果显示，滑片倾角对工作腔基元容积的影响很小，在膨胀机的设计过程中忽略滑片倾角的影响是合理可行的。

It is given that the connection between interception probability and orbit intersection angle as well as time error under the instance that the main body of objective satellite is destroyed. The choice of orbit intersection angle is expatiated when time error exists by simulation calculation.

研究了对目标卫星主体毁伤情况下，轨道交角和交会时间偏差与拦截卫星拦截概率之间的关系；阐述了有一定交会时间偏差时，轨道交角的选择情况，并对其进行了仿真计算。

For decreasing the calculation amount of angle functions for obtaining projection address, the trigonometric functions' values are calculated in advance and stored into a table which can be indexed if needed.

反投影时为了减少求取投影地址时三角函数的运算，将三角函数值事先求得并存到查找表中，需要时调用。

In this thesis,based on the DFT+NEGF first-principles method,we construct a lead-molecule-lead sandwich system with single benzene-based molecule to investigate the relationship between the structure and properties of the molecular devices and the factors that influence properties of the molecular devices.Our computational investigations on these molecular devices are primarily concentrated on the effect of contact geometry between molecules and electrodes,the effect of side groups,the effect of different torsion angle between two phenyl rings and the effect of external electric field.This thesis consists of five chapters:In Chapter one,we mainly introduce the research background and development of the molecular electronics,including the experimental fabrication of molecular electronic components and theoretical simulation methods.Afterwards we discuss the questions that need to be solved in this area.Finally,the main contents of this thesis are listed.In Chapter two,we introduce the theoretical methods used in this thesis, including the main first-principles calculation methods,i.e.,the Density-Functionmethod and nonequilibrium Green\'s function.

本论文拟采用密度泛函理论和非平衡格林函数相结合的第一性原理计算方法，选取苯基小分子作为研究对象，构建了金属电极/有机小分子/金属电极三明治结构体系，系统地研究了苯基分子器件结构的改变与分子电输运性质之间的关系以及影响分子器件电输运性质的相关因素，其中重点研究了分子与电极间可能的接触结构改变、官能团、分子间的扭转角以及外电场对苯基分子电输运性质的影响，本论文主要包括以下五个章节的内容：第一章为综述部分，主要介绍了分子电子学产生的背景、分子器件的研究意义、当前研究分子器件的实验和主要理论方法，以及目前在研究分子器件中存在的一些问题，最后给出了本论文的主要研究内容和技术路线。

Calculation of the dispersion with angular misalignment of grating pair compressor by ray-tracing method.

压缩器光栅不平行度对色散影响的光线追迹法研究。

Detailed contents are given as follows:(1)In views of the x-ray laser target chamber on the SG-II high-power laser facility and the experimentally physical demands, the key influencing factors, such as the elliptical eccentricity and the spectral detection angle, on the angular dispersion, the spectral resolution,and the photometric parameter were studied by the elliptical self-focusing geometric principle. In order to increase the spectral and spatial resolution, using ray tracing code and optical path function, optimization calculation was carried out for an elliptical crystal spectrometer.

进一步以此为核心开发出了一种新型的X射线测量与诊断系统，取得了一些新的科研成果，可为王王淦淦昌昌院士、王大珩院士二老倡导研制成的用于国防科研、激光惯性约束聚变、强激光与物质相互作用、X射线激光等物理研究的大型钕玻璃高功率"神光II"激光装置上的物理实验提供更有效的诊断X射线谱手段，扩充了其应用范围，也对激光等离子体辐射keV以上能区段的X光发射和吸收的原子物理过程与机制、占据动力学、谱形态结构等方面做了深入一步的理论和实验研究。

Application of discrete-ordinate method in calculation of light angular distribution in biological tissue［J］.

离散坐标法在计算生物组织内光场空间角分布中的应用［J］。

In example of two -dimensional numerical analysis, the roekfall motion trace, angular velocity and jumping height in horizontal and vertical directions were defined, which provided necessary calculation data for engineering measures of disaster prevention and mitigation.

在二维落石运动路径的实例数值分析中，明确了落石水平垂直方向的运动路径、角速度和跳跃高度，为防灾减灾的工程措施提供必要的计算数据。

In present,the function of monitoring system is more and more formidable,the requirement of data processing speed is more and more high,the monitoring system based on embedded technique ment the fast calculation ARM embedded microprocessor and the popular real-time and multitask operate system of μC/OS-II,it puts forward one project of medical treatment monitoring system which is used to monitor ECG,blood pressure,blood oxygen saturation and animal heat.

针对目前监护系统的功能越来越强大，对数据处理速度的要求越来越高，基于嵌入式技术的监护系统充分利用运算速度较快的ARM嵌入式微处理器和当前流行的μC/OS-Ⅱ实时多任务操作系统，提出一套用于监测人体心电、血压、血氧饱和度和体温的医疗监护系统的研制方案。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。