We are having a group of professional and experienced overseas and local engineering , project management , equipment fabrication and servicing team , providing our clients professional process consultancy , space management and detail engineering , equipment fabrication and after sales service 本公司专业于水处理系统、气处理系统和其他主要的工业系统，如反渗透水、去离子水、高超纯水、废水、排风、冷却水、冷冻水、排水、废气洗涤塔和设备机电二次配的所有空间管理作业。
The influences of the calcination temperature and time , the concentration ratio of deionized distilled water to c - v _ 2o _ 5 and the agitation time on the synthesis of a - v _ 2o _ 5 were studied by orthogonal array design and the interactions between the parameters were considered . so the optimum experimental factors were obtained . lithium rechargeable battery positive electrodes based on these optimum conditions could lead to experimental cells with large discharge specific capacity and good cycling performance 用正交实验研究了煅烧温度、煅烧时间、去离子水与晶态v _ 2o _ 5 ( c - v _ 2o _ 5 )的浓度比和陈化时间对合成a - v _ 2o _ 5的影响,讨论了这些参数间的交互作用,并获得了最优试验参数,以该最优试验参数所制备的a - v _ 2o _ 5为可充锂电池正极的实验电池,具有较大的放电比容量和较好的循环寿命。
We are having a group of professional and experienced overseas and local engineering , project management , equipment fabrication and servicing team , providing our clients professional process consultancy , space management and detail engineering , equipment fabrication , site installation , commissioning and after sales service 本公司专业于水处理系统、废气处理、气流处理系统和其他主要的工业系统，如反渗透水、去离子水、高超纯水、废水、排风、冷却水、排放液、废气洗涤塔、制程真空、清扫真空和设备机电二次配。
In this paper , a mmc heat sink is fabricated and processed according to the results of numerical optimization of a mmc heat sink firstly , then thoroughly studies its flow characteristics and heat transfer characteristics by experimental methods , and de - ionized water and surfactant aqueous solution are used as working fluids 本文根据数值模拟优化结果设计和制作了歧管式微通道热沉,并采用实验的方法,以去离子水和表面活性剂水溶液作为实验工质,对热沉进行了流动特性与传热特性的实验研究。
Based on the theory of unsaturated soil mechanics and the properties of compacted expansive soil , this paper takes the northern part k12 + 840 - k12 + 920 of nanning urban highway as an example to studies some aspects of lime improvement of expansive soil and the technology of construction . the chief content of this paper is : the lime improvement mechanism of expansive soil ; confirm the technical parameters of lime mixed from the results of test in laboratory ; the scale - down test to define the maximum effective grain size of expansive soil when it is improved by lime ; by building bank slope model and making use of finite element seepage flow program of saturated - unsaturated to calculate the examples , this paper simulates the humidity site in order to checkout the effect of lime improvement ; studies and proves that it is feasible to mix blocky expansive soil and pulverous lime , and to fill roadbed by common construction machines etc . 本文研究的工作就下述几个方面展开：用石灰改良膨胀土的机理；通过室内试验确定掺灰的技术指标；在室内进行膨胀土掺灰的最大有效粒径的模拟试验，即钙离子水试验，由此总结出“粉?块”灰?土搅拌工艺的有效性、合理性和可行性；用数值方法对路堤使用期的湿度场进行模拟，并与路堤的强度?变形的计算域耦合，以检验土性改良的效果，从而探索一种描述改良膨胀土路堤运行工况的数值方法；用现有最常用的且费用最低的施工机具，对灰?土进行“粉?块”搅拌掺和及路基的填筑施工等。
Of the currently available coolers for electronic products with a high heat flux , micro - jets impingement cooling heat sinks are able to provide the best heat transfer performance : lowering the maxmal temperature and the temperature difference . the heat transfer for multiple jets impingement has been studied firstly for summarizing a few rules . and then a copper micro - jets impingement cooling heat sink consisting of five copper sheets is designed in this paper and the jet diameter is 0 . 15mm 本文首先对阵列射流冲击进行了实验研究,总结了阵列射流冲击的一些规律和特性,在此基础上,根据数值模拟优化结果设计和制作了微射流阵列冷却热沉(射流孔直径d = 0 . 15mm ) ,并采用去离子水和氮气作为工质,对热沉内流体压降和传热特性进行了研究。
3 . the author designs ortho - experimentations of palygorskite acidification and organising modification by adopting propyl alcohol as thinner of wd - 51 , and acquires the best craft parameters and craft conditions for gaojiawang palygorskite acidification and acidified palygorskite organising modification , namely : the best craft parameters and craft conditions for gaojiawang palygorskite acidification is : parlygorskite : h2o = 1 : 3 , activation time 50 min , activation temperature 96 , hydrochloric acid concentration 1 . 0 n , parlygorskite granularity - 100mesh ; the best craft parameters and craft conditions for gaojiawang acidified palygorskite organising modification is : wd - 51 concentration 2 . 0 % ( wt % ) , modification temperature 120 , and modification time 60 mins , adopting iso - propyl alcohol as thinner of wd - 51 . 4 设计坡缕石粘土酸化正交实验和有机化改性正交实验，取得了高家洼坡缕石粘土酸活化处理和酸化坡缕石用wd - 51进行有机化改性处理的最佳工艺参数和工艺条件，即：高家洼坡缕石酸活化处理的最佳工艺参数和工艺条件为：固液比为1 ： 3 (固体为高家洼坡缕石粘土，液体为去离子水) 、活化时间50min 、活化温度为96 、盐酸浓度为1 . 0n 、粒度为- 100目。
