查询词典 calculation

This paper is based upon XiShan Colliery Parent Company .The data of DongQu Mine pit ventilation resistance mensuration is combined. And system theory, graph theory, ventilation network technology and computer technology are utilized. According to the reality of coalmine, we think that graph and database is incorporate in mine ventilation system. So based on this, ventilation system standard graph is founded, the tool of ventilation graph to draw is made, the ventilation network calculation is realized, the outcome of the ventilation network calculation is seen on the screen, and opaquing and inquiring of the road parameters and so on. In addition to mine ventilation drawing-database visual management system is developed.

本文基于西山煤矿总公司东曲矿〖东曲矿矿井通风网络计算机管理系统〗科研项目，结合东曲矿矿井通风阻力测定，运用系统理论、图论、通风网络技术及计算机技术，针对煤矿实际，将矿井通风系统中图形和数据库贯穿为一体，创建了通风系统标准图库并编制了通风图形绘制工具，实现了风网解算和解算结果图形显示及巷道参数的修改、查询等功能，开发了矿井通风图形数据可视化管理系统。

Based on the new correlations for fusion enthalpy,solid-solid transition enthalpy and solid-solid transition temperature of paraffins established in this work,a good calculation results as well as the reliability and precision of the models are demonstrated through a comparison calculation for three examples in the literature.

基于新建立的正构烷烃的熔解焓、固-固转换焓以及固-固转换温度的关系式，采用本文两个模型对文献中含蜡原油体系的析蜡点以及不同温度下的析蜡量进行了计算并与文献中模型的预测结果进行了比较，结果表明本文所建立的模型，特别是UNIQUAC局部组成模型的模拟结果更加接近于实验值，从而验证了本文模型的可靠性和正确性。

The using of digital signal processor improves the precision of calculation, speeds the calculation process and predigests the circuit itself.

数字信号处理器的使用，既提高了计算的精度，加快了计算速度，还使电路本身得以简化。

The article uses multiple regression statistics to analyze the past settlement academic achievement, proposes a calculation method that prorates the high school entrance examination results and the results of class sorting examination organized by the school so as to provide the basis for future calculation of the settlement academic achievement, bring it closer to the real student academic level; makes full use of the historical result data of the tests that students participated, traces and analyzes the experience of our students' growth, gives full play to the advantage of small class management mode in the large classes of our school, guides students to actively summarize their own academic achievement so as to search appropriate learning methods suitable for themselves and help them develop good learning psychology quality; In addition this article uses RANK function to analyze the balance of students' terminative academic achievement, uses Radar Chart, combined with the graphic illustration of the median and hundreds' digit to analyze students' terminative academic achievement, on the one hand to guide students to focus on their overall academic development, on the other hand, to provide students with the basis for choosing arts or science subjects during entering senior two of the high school from senior one; the article provides an easy-to-operate EXCEL template to facilitate teachers to gather the information about the diagnostic academic achievement in usual schoolwork and unit tests, so that forms a timely and precise feedback link, thereby facilitating teachers to master timely the learning conditions of the students, and adjust teaching objectives and teaching strategies based on the practical situation of the students, so as to better complete the teaching tasks.

利用多元回归统计分析以往的安置性学业成绩，提出以中考成绩与学校组织分班考试按比例折算的计算方法，为今后的安置性学业成绩计算提供依据，使其更接近学生真实的学业水平；充分利用学生在校参加各次测试的历史成绩数据，跟踪分析学生的学业成长历程，充分发挥我校大班小班化管理模式优势，指导学生对自我学业成就进行积极归因，寻找适合自己的学习方法，从而帮助学生形成良好的学习心理品质；利用RANK函数分析学生终结性学业成绩的均衡性，利用雷达图，结合中位数和百位数图示化分析学生终结性学业成绩，一方面引导学生关注自身全面的学业发展，另一方面，为学生在高一升高二文理分科时提供选择依据；提供操作简单的EXCEL模板，方便教师收集平时作业或单元测验中的诊断性学业成绩信息，使教学反馈环节及时精细，有利于任课教师及时了解学生的学习状况，根据学生实际情况调整教学目标和教学策略，从而更好地完成教学任务。

This article analyzes the working theory and the working forces of the drive wheel, pyramid wheel and outer ring during the transmission process. It also deduces the practical calculation formula of the pyramid wheel type variable speed drives, it also goes on the material calculation aim at the selection parameter. It protracts the assemble-drawing of the pyramid wheel type variable speed drives and the accessory-drawing of the mostly drive component. So it can express more clearly of the structure and process planning of the variable speed drives.

本文分析了在传动过程中变速器的主动轮、菱锥、和外环的工作原理和受力关系；详细推导了实用的菱锥锥轮式无级变速器设计的计算公式；并针对设计所选择的参数进行了具体的设计计算；绘制了所计算的菱锥锥轮式无级变速器的装配图和主要传动元件的零件图，将此变速器的结构和工艺等方面的要求表达得更为清楚。

Finally, the calculated results are compared with experimental data and discussed in detail at different wind velocities and yawed angles of the wind turbine in this paper. The results illustrate that the calculation with the 3-D rotational effect improves the performance calculation and coincides with the experiment well to some extent.

最后，本文将风力机叶片在不同风速、侧偏角时的气动载荷计算结果与实验结果进行了比较和分析，结果表明，考虑旋转效应改进了风力机气动载荷的计算，总体上与实验值吻合得较好。

Key words:PVC material,acetylene generator,calculation of material translation calculation of energy ,translation,equipment selection

最后，进行了设备计算及选型，最终确定：三个乙炔发生器，三个泥浆分离器，三个正水封（Ф1700×1700），三个逆水封（Ф1000×1300），一个气柜（Ф6000×400）等。

It shows that the calculation result of the modified method based on activity coefficient is not as good as that of the PRSV EOS. And when the associated theory was used to EOS, the precision of calculation was improved greatly.

结果表明：对于极性较强的体系，活度系数法虽然也能计算高压下的GLE，但计算效果不如状态方程法；当将缔合理论引入状态方程法时，计算精度得到了明显提高。

Our country enterprise accounting system stipulated that, does not allow the enterprise to use the direct swing pin law calculation bad account to lose, the enterprise only can use the allowance law calculation bad account loss.

我国企业会计制度规定，不允许企业采用直接转销法核算坏帐损失，企业只能采用备抵法核算坏帐损失。

It adopts the method of statistical analysis of historical materials, calculation of theory, calculation of analogy test to research the water-saving measure of what Dengkou irrigated area hands over the water right to China Electricity.

本文在全面研究水权理论、国家有关政策、法规、国内外水权转换的动态等的基础上，采取历史资料统计分析，理论计算，类比试验计算等方法，对镫口灌区向华电水权转换的节水措施等进行了研究。

Objective:To explore the feasibility of laparoscopy in diagnosing and treating of abdominal diseases.

目的：探讨腹腔镜用以诊断腹部外科疾病及选择治疗方案的可行性。

The lifetime of nylon 1010 and nylon 1010/POSS composites decreased with increasing temperature.

热重-红外联用分析表明尼龙1010在氮气气氛下的降解产物主要为小分子的低聚物，POSS并不改变尼龙1010降解产物的组成。