From investigation results find that chongqing " buildings and constructs almost apply ceramic tile , granite , glass wall curtain etc material to exterior wall from 1997 to now . none but few template buildings " partial projects ( for example longhu park , jinxiu hill manor ) apply exterior wall coating to exterior wall . further more , author knows exterior wall coating ca n ' t a great deal popularize and apply because of acid rain , suspend grain , humidity 从作者对大量的新旧建筑物调研结果发现：从1997年至现在，重庆市的建筑及构筑物又几乎都采用瓷砖、花岗岩、铝合金板、玻璃幕墙等作为外墙饰面材料，只有极少数样板建筑（如龙湖花园，锦绣山庄等）的部分工程外墙面采用建筑外墙涂料；而且作者了解到影响重庆市外墙涂料不能大量推广应用的主要环境因素是酸雨、湿度和悬浮颗粒。
Firstly , the technique of sonic soot cleaning is introduced , the mechanism is discussed , and then the applied situation of sonic soot cleaning is investigated based on the analyzing of the advantages and disadvantages , the result of investigation shows that the reason restricting development and application of sonic soot cleaning is the basic theory is not fully studied 论文首先介绍声波吹灰技术，讨论声波吹灰的机理，然后在分析声波吹灰优势和不足基础上，调查研究声波吹灰技术在电站锅炉的应用现状，调研结果认为制约声波吹灰技术应用和发展的根本问题是对声波吹灰技术的基本理论研究不够，论文重点解决换热器管束对平面波散射理论问题。
At last , the author puts forward five marketing tactics , including : choosing service items , segmenting market based on organizational buying behavior , the combinative communication tactics based on the decision process of consumer , pricing tactic building on perceived value of customer , the distribution tactics of establishing branches in economic development zones 最后根据调研结果提出五条营销策略，分别是： ( 1 )业务定位策略； ( 2 )基于购买行为的市场细分策略； ( 3 )基于购买决策过程的整合沟通策略； ( 4 )基于顾客认知价值的定价策略； ( 5 )在开发区成立分公司的渠道策略。
By settling and analyzing idea from investigation and research on property rights reform of r & d institutes in shanxi province , study material property rights reform scheme and implement step , in order to resolve property rights perspicuity problem of transmitting r & d institute on current phase 通过对陕西省省属应用开发类科研院所产权制度改革调研结果的整理分析，研究了省属应用开发类科研院所的具体改革方案及实施步骤，以此解决省属应用开发类科研院所转制阶段中产权明晰问题。
The hypothesis that we figured is proved by the analysis of 103 r & d units . we also complete the empirical research of the regional attraction model in beijing by interviewing 30 decentralized r & d units . based on our analysis , suggestions are made to improve the r & d conditions of beijing city 对103家驻京研发机构的现状调研结果进行了分析，论证了相关假设；对其中的30家进行了详细调研和访谈，完成了区位对研发机构吸引度模型在北京的实证分析，并就北京如何改善研发支撑环境提出改进意见。
However , the competitive characteristics of different kinds of products are not the same . although there is obvious online price dispersion < wp = 6 > for each product , the online price level and price dispersion of the mobile phones are higher than those of the traditional market ; the online price level of the books is significantly lower and the price dispersion is lower ; the online price level of the ip card is slightly lower , and the price dispersion is the lowest among this three types of products 调研结果表明中国目前的互联网商务市场中也没有出现明显的bertrand竞争的现象，但不同类型商品的竞争特征确有不同：各种商品的网上价格均有明显的扩散现象；但是，手机网上价格偏高、价格扩散大；图书网上价格明显低于网下、价格扩散较小； ip电话卡网上价格偏低、价格扩散最小。
