数学基础

Besides, give out the mathmatic description of the novel air separation process.

在此基础上，给出了其中一种方案的数学描述。

Based on fuzzy mathematics comprehensive evaluation, the toxicity of heavy metals was taken into account. The fuzzy comprehensive evaluation results by pollutant concentration exceeding standard weighting method, toxic response coefficient heck-stepping index weighting method and heavy metal toxicity sorting weighting method were compared with the potential ecological risk evaluation results. The research results showed that the evaluation results by toxic response coefficient back-stepping index weighting method could reflect the actual results more truly and accurately.

在模糊数学综合评价基础上，将重金属的毒性纳入权重考虑，通过污染物浓度超标赋权法、毒性响应系数反推指数赋权法和重金属毒性大小排序赋权法的模糊综合评价结果与潜在生态危害指数评价结果比较，研究表明毒性响应系数反推指数赋权法的评价结果更能真实准确地反映实际结果。

Based on the analyses of the flow and sediment characteristics and evolution trend of the river bed of the Fuling reach in the Yangtze River before and after the impoundment of the Three Gorges Reservoir, the water level, velocity variation and influenced range in the Fuling reach before and fifty years after the operation of the Three Gorges Reservoir with the construction of the Fuling dock and four discharge combinations are calculated by using a two-dimensional flow mathematic model.

摘要在分析长江涪陵段的水沙特性和三峡水库蓄水前后该河段河床演变趋势的基础上，运用二维水流数学模型，分析了4种流量组合情况下在三峡水库运用前和运用50年，涪陵港区码头修建前后的水位、流速变化及其影响范围。

For the blast furnace loading pipe , in order to compensate for the shortage of traditional brushwork of its stretched map, this article constructs a new mathematics model on the foundation of correct algorithm.

为了弥补高炉上料管展开图传统画法的不足，先在正确算法的基础上构建数学模型，并结合Visual Basic 6。

On the basis of analyzing the blasting characteristics of rock at bench top in bench blasting, the paper puts forward a calculation model of the charge for blasting top rock of the hole, and then deduces an formula for calculation of stem length of hole blasting, which is available for reference in blasting design.

在分析炮孔爆破特点的基础上，提出了计算破碎炮孔顶部岩石炸药量的计算公式，据此建立了计算炮孔堵塞长度的数学模型，可供爆破设计施工时参考。

The paper has studied systematically fluid flow behaviors in argon blowing process in ladle furnace and told more suitable position and quantity for blowing argon by means of water model and mathematical simulation, according to the Ladle Furnace of Shi Jiazhuang Iron and Steel Corporation. And it optimized the ladle construction and fluid flow behaviors, so it provided the molten steel with perfect temperature and composition.

本文针对石家庄钢铁有限公司LF-钢包精炼炉，利用水模型和数学模型模拟，系统研究了LF吹氩过程中钢液的流动行为，确定了最佳的钢包吹氩位置以及适宜的吹氩气量，改善了钢包结构，优化了钢液流动状态，为连铸工序提供具有理想温度和成分的钢水奠定了技术基础。

Modeling and derivation mathematics result of the use of Matlab software Simulation tests of its accuracy and error analysis, to verify the measurement of two boring bar/boring displacement signal the feasibility of the entire system, so as to the smooth development has laid a theoretical foundation.

介绍了两点法测量镗刀位置信号的方案构思，采用最小二乘法对镗杆的圆度误差和被测圆面的偏心量进行了建模计算，并对数学推导的结果利用Matlab软件进行仿真检验，对其精度和误差作了分析，验证了两点法测量镗杆／镗刀位移信号的可行性，从而为整个系统的顺利开发奠定了理论基础。

On the basis of the structure and performance analysis of a serial hydraulic brake valve, a simulating model of responding characteristics in a full power hydraulic brake system was established, and the simulation analysis of various structure parameters of the braking valve affecting the dynamic characteristics of the system was conducted.

在对串联式液压制动阀结构与性能分析的基础上，建立了全动力液压制动系统动态数学模型，并就制动阀结构参数对系统动态性能的影响进行了仿真分析。

This paper focuses on the methods, results and relating mathematic models of construction ration measurement referring to leader dredge bucket grooving machine and repeting sawing machine wielded on the sites of embankment foundation anti-leakage project.

长江重要堤防工程采用的新技术、新工艺、新材料、新设备层出不穷，本论文就基础防渗工程采用的导杆式抓斗成槽、往复式锯槽等新工法施工定额的测定的方法、成果以及所涉及的数学模型作重点论述。

Delays at busy waterway locks are a measurement of service quality, and are the basic data for the economic evaluation of lock projects. According to the unique observed data collected at Shiqiao Lock on the Grand Canal, the characteristics of lock delays were analyzed. Based on a G/G/1 queue, an approximate model was developed to estimate delays at busy waterway locks.

为了反映内河船闸的服务质量，并为船闸工程的经济评价提供基础数据，以目前国内仅有的京杭运河施桥船闸多年运行实测资料为例，统计分析了繁忙船闸的船舶待闸时间特点，并基于G/G/1排队模型，建立了估算繁忙船闸船舶待闸时间的近似数学模型。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。