混

Aimed at the problems exists in the methods of former calculating of sequential transportation at the present,put forward the predigest ways of the confused oil former by using disorderly current speciality of fluid,enduce the essencial equation of confused oil's consistence by using the simplied ways and the Feck Law,present the method of calculating the consistence at the end of the pipeline which is called the Gauss-Lerang method.

针对现有顺序输送混油模型计算方法所存在的问题，利用流体紊流特性提出了混油模型的简化方式，利用简化模型及费克定律推导出了混油浓度的基本方程，给出了管道终端混油浓度的高斯-勒让德计算方法。

The paper makes a new method of evaluating the coagulation test effect by measuring the flocculate size, growth velocity and the compress degrees of the sludge.

本文提出了用测量矾花大小及生长速度和泥渣虚度的指标来评判混凝试验效果的新方法，与常用的以混凝后水的浊度来评判混凝效果相比，用此方法更能准确地评判混凝试验效果的优劣

Three topics were discussed:(1)Mechanisms of coagulants and flocculen t,and the experimental methods of process study;(2)Development of coagulants and flocculent;(3)Researches on improvement of coagulants and flocculent efficiency, process optimization and on-line monitoring and controlling as well.

文摘：分三部分论述了90年代以来国内外混凝剂和絮凝剂研究的主要进展：1混凝、絮凝的微观机理及其行为的研究成果和实验研究手段；2混凝剂和絮凝剂的开发；3混凝和絮凝方法在废水处理中的净化效率的提高、条件优化和在线监控等。

Combining the experimental results and theoretical analysis, the following work has been accomplished.(1) Reasons of the decrease of interelectrode capacitance and the increase of discharge gap caused by the powder suspended in dielectric fluid are explained. And the mechanism that surface quality of workpiece improved by powder-mixed EDM is analyzed from this viewpoint.(2) The variation regularity of the percentage of silicon on the machined surface of workpiece has been summarized according to the experiment results when silicon powder was added into the working fluid. The entropy is introduced to explain the reasons for this variation regularity by thermodynamics.(3) The dimensional accuracy is greatly influenced by the overcut resulting from discharge gap and electrode wear in practice application. Empirical formulas for the overcut in EDM and powder-mixed EDM are established based on the experimental results using the ternary linear regressive method in this paper.(4) The influence of main factors on the machined surface characteristics has been evaluated based on the orthogonal experimental design method.

通过一系列普通电火花加工与混粉电火花加工的对比实验，运用工艺实验和理论分析相结合的方法，重点做了以下工作：(1)探讨了粉末颗粒导致极间电容减小、放电间隙增大的原因，并从这个角度解释了混粉电火花加工可以改善工件表面质量的机理；(2)以混合硅粉的电火花加工为例，实验得出峰值电流和脉冲宽度对加工表面层成分中硅元素含量的影响规律，并引入熵的概念从热力学的角度对硅元素含量变化的原因寻找了理论依据；(3)在实际加工中，由于粉末的加入使放电间隙变大，这使得混粉电火花加工的尺寸精度难以控制，本文利用三元线性回归的方法，在实验数据的基础上，建立了两种电火花加工过切量的计算公式；(4)将正交试验法应用于混粉电火花加工实验研究，并通过对实验指标极差的直观分析，得出各电参数对加工指标影响的敏感程度。

Complex flocculant PASS has the abilities of neutralizing electric charge and flocculating. The experimental results show: it is feasible that the emulsion wastewater can be treated into qualified discharging water. The dosage of flocculants and pH value have been optimized by coagulation experiments. In addition the mechanism for emulsion wastewater has been studied by using Perron timed complex colorimetric method and neutralization method. Aiming at characteristics of high concentration and high CODCr emulsion wastewater the technology that emphasized on coagulation-precipitation twice has been proposed in this paper.

本文采用复合型絮凝剂处理乳化液废水，研究结果表明，乳化液废水的处理过程包括凝聚脱稳及吸附絮凝，其中絮凝是决定混凝效果的关键性步骤，复合型絮凝剂聚硅酸硫酸铝是一种既具有较强的电中和能力，又具有优异的絮凝性能的无机混凝剂，通过对乳化液废水药剂筛选实验，实验结果表明聚硅酸硫酸铝对乳化液废水是比较合适的混凝剂，并确定了药剂的最佳投药量、最佳pH值条件等操作参数，针对乳化液废水的特点，综合国内外研究成果和经验，提出了二次混凝沉淀处理方案，该方案具有处理设备结构简单、运行管理简便等优点。

The requirements of improving the frequency characteristic of reverberation time are analysed here in the light of the function and the architectural feature of the semi-scene-painting hall.

苏州革命博物馆半景画厅混响时间及其频率特性的改善刘金春，樊斌摘要从半景画厅的功能和建筑特点分析了改善混响频率特性的要求，介绍了混响时间的测量方法，比较了实测到的改善前后半景画厅的混响时间及其频率特性。

One is the rotation of the cylinder and the other is swinging of the cylinder along the swinging rack, materials to be mixed will rotate when the cylinder is rotating, and will be mixed from left to right when the cylinder is swinging.

被混和物料在转筒内随转筒转动、翻转、混和的同时，又随转筒的摆动而发生左右来回的掺混运动，在这两个运动的共同作用下，物料在短时间内得到充分的混和。

The results show that the fibers with good dye ability can be obtained from blends containing certain amount of SIPE, which are made by using an appropriate proportion of cationic dyeable polyesters and recycled polyester.

结果表明：以适当比例和种类的CDP与PETRc共混，制得的三单体含量一定的共混纤维，能够实现阳离子染料常压染色；影响CDP/PETRc共混纤维实现常压染色的主要因素是共混纤维的结晶度和玻璃化温度。

The simulation results show that there are many factors to influence the reverberation, each of them has different contribution to the reverberation, and the angles configurations and the characters of interface have main function, and the effect of the change of sound velocity on reverberation can be ignored.

模型仿真结果表明，影响双基地声纳混响的因素众多，每个因素在对双基地混响的贡献是不一样的，双基地角度的配置和界面性质变化对混响的影响很大，而声速的变化对混响的影响可以忽略不计。

Species of Eucalyptus globulus, Quercus acutissima, Cupressus torulosa, Prunu conradinae, Acacia dealbata and Albizia mollis applied for mixed forest, the experiment on 8 artificial mixed forest models was carried out in Daliyuan of Yuxi.

用蓝桉、麻栎、藏柏、山樱桃、圣诞树、山合欢等作混交树种，在玉溪大栗园开展了 8种人工混交林混交模型的试验研究，依据Ii=P1h/H +P2 d/D +P3v/V计算混交模型的选择指标，用I标=I平均+aδn 计算出混交模型的选择标准为

If you are unfortunate enough to the lovelorn, please tell me, I will help you out, really, please contact me!

如果你不幸失恋了，请告诉我，我会帮助你摆脱困境，真的，请联系我啦！

China's plan to cut energy intensity by 20 percent and pollutant discharges by 10 percent between 2006 and 2010 is a case in point.

中国计划在2006年到2010间降低20%的能源强度和减少10%的主要污染物排放，就是一个这样的例子。