( 2 ) base on the analysis of the atomizing principles of spray nozzle , mathematical model of combined spin - flow pressure spray drying was set up and the essential parameters such as spraying pressure , liquid quantity , temperature , spraying angle , inject distance , particle diameter and distribution , hollow diameter for several materials in normal conditions by experiment and ldv ( 2 )对旋流式组合压力喷嘴喷射雾化机理加以分析，建立了旋流式喷嘴雾化的数学模型，采用冷态试验法并借助激光雾滴测试等实验装置对喷嘴的雾化参数(如雾化压力、喷液量、料液温度、雾化角、雾距、雾滴直径和分布以及喷嘴的空芯半径等)进行测量和计算。
2801 and lbg was used as polymer matrix because of their different hfp ratio , dbp was used as plasticizer . the films were made by bellcore method . structure , crystallinity , liquid uptake and conductivity of the films with different ratio of pvdf dbp sio2 was determined 本文用hfp含量不同的2801和lbg为基体， dbp为增塑剂，采用bellcore方法制膜，得到了聚合物电解质的结构、结晶度、吸液量和电导率随sio _ 2 、增塑剂含量、聚合物结晶度的变化规律，并对纳米无机粒子改性聚合物电解质的机理进行了一些探讨。
Abstract : based on conclusion of practical experience from polymer flooding pilot test , and in combination with theoretical calculation and analysis of numerical simulation , the varying range of main production index by polymer flooding is determined , varying mode of liquid production , comprehensive water cut , oil production and incremental oil by polymer flooding is set up by adopting reservoir engineering method , forming simplified , fast and feasible method for calculating production index by polymer flooding , which provide practical and theoretical basis for making polymer flooding programe 文摘:本文在总结聚合物驱矿场试验实践经验和结合数值模拟理论计算分析的基础上，研究确定聚合物驱主要开采指标的变化范围，采用油藏工程方法建立聚合物驱采液量、综合含水、采油量和增油量的变化模式，形成简便、快速、实用的聚合物驱开采指标测算方法，为编制聚合物驱规划方案提供了实践和理论依据。
Of the currently available coolers for electronic products with a high heat flux , microchannel heat sinks have been proved to be able to provide the best heat transfer performance and are one of the most promising coolers . the manifold microchannel ( mmc ) heat sink has many advantages such as low thermal resistance , compact structure , little amount of coolant , low flow rate , uniform temperature distribution along the flow direction and many others , so it is able to provide the best heat transfer performance : lowering the maxmal temperature and the temperature difference 在目前高热通量电子产品冷却器中,微通道热沉已被证实是传热性能最佳且最具应用潜力的冷却方式之一,而歧管式微通道热沉因具有低热阻、结构紧凑、所需冷却液量小、沿流动方向温度分布均匀等优点则成为减小电子元器件换热表面最高温度、降低温度变化的一种有效方法。
We studied the effects of different concentration of carbon source and nitrogen source , and we also studied the effects of different seed volume and culture volume , and after several circuses of culture , the total activity can be 2014uk / ml . in the third part of this paper , we studied sa / cs - cacvpmcg microcapsule to culture bacillus subtilis which can produce nattokinase 本文的第二部分，主要对nacs - pdmdaac包埋纳豆激酶产生菌进行了研究，包括了对碳源、氮源、接种量、装液量进行了考察，之后进行了连续培养，经过5批连续培养后，酶活达到了2014uk / ml 。
The results showed that it could grow well in potato dextrose liquid medium . glucose and nh4 + were very suitable for its growth , lactose , urea and no2 " could distinctly improve its ability to produce flavone - like compounds , the optimum temperature for mycelia growth is 28 c , the optimum ph is natural ph , 100ml media volume in 250ml flasks and 100r / min were propitious to develop . vitamin b1 b2 , c and fh4 could promote the growth rate of eg4 in different degree , fh4 and ca2 + could clearly improve its ability to produce flavonoids 对该菌株的培养生物学特性研究表明， eg _ 4在马铃薯葡萄糖培养基上生长较好，最佳生长碳、氮源分别为葡萄糖和nh _ 4 ~ + ；乳糖、 no _ 2 ~ -和尿素则能够促进其产生黄酮类物质；最适培养温度为28 ，最佳ph值为自然ph值6 . 8 ； 100ml 250ml的装液量、 100r / min的转速较利于生长；维生素b _ 1 、 b _ 2 、 c和叶酸都能不同程度的促进其生长，叶酸还能显著提高黄酮产率；该菌产黄酮代谢受ca ( 2 + )的调节， ca ( 2 + )能明显促进其产黄酮能力的提高。
The relationships among the rock permeability , water saturation and resistivity of weicheng oilfield in dongpu depression are studied by rock resistivity parameter testing and rock resistivity testing by water flooding . a comprehensive evaluation for water flooded reservoirs of 16 adjusting wells is carried out by using the testing results , by which the accuracy of interpretation is enhanced greatly 合理注采压力系统是指既能满足油田提高产液量的地层能量的需要,又不会造成原油储量损失、降低开发效果的压力系统.运用注采平衡的原理,对临盘油田合理流动压力、合理注水压力和合理地层压力进行系统研究,确定了该油田的合理的压力系统,为今后油田开发提供了参考依据
With experiments and theoretical analyzing , we find when the heat discharge is smaller than the entrainment limited , what influences the ability of heat - transmitting of work quality is the quantity of injection and dry limit fluid inventory , the optimum quantity of injection of the three working fluid is 8 ~ 14g ; and the delivering factor that transmission coefficient is determined by capillary limit , not the heat transmission ability of the thermal syphon . therefore , among the three working fluid , acetone is the best . low wind - speed has the obvious function in heat transmission of the thermal syphon 本文通过实验研究和理论分析，认为在热流量小于携带极限时，影响工质传热能力的是cpu重力热管的充液量和其干涸极限，此次所实验的三种工质，最佳充液量应当在8g ~ 14g ；传输因素主要决定普通热管的毛细极限，而不是重力热管传热能力的决定因素；三种工质中的最佳工质是丙酮；小风速时风速的变化对cpu重力热管的传热有明显的作用，但在风速大于1m / s以后，风速增加对于cpu重力热管的传热能力的增加效果减缓。
And the results showed that nyb1 and nyb4 also promote the degradation process of quizalofop - p - ethyl in clay soil ( 20g ) after added 2 ml of the bacteria suspension ( od46o = 0 . 40 ) , respectively . the filed trial results indicated that quizalofop - p - ethyl was degraded quickly in sesame plant and soil , and its half - lifves were 1 . 35 and 1 . 18 day , respectively 并将菌株nyb1和nyb4培养液各以2ml的菌液量( od460 = 0 . 40 )分别添加到20g未灭菌的青紫泥样品中，其降解速度较未加菌液的对照处理为快。
It is the optimal time for subjecting creatine to the medium when cultured to 12h and the concentration of creatine was 0 . 75 % . creatine , sarcosine and choline chloride could induce the creatinase production and creatine was the optimal inducer , but creatinine and urea could not induce the creatinase production . 3 purification of creatinase the process of creatinase purification was performed as follows : first the enzyme was completely precipitated in the range of 40 - 80 % of saturation with ammonia sulfate fraction precipitation 最佳氮源为玉米浆和蛋白胨，最佳比例为2 ： 3 ，最佳浓度为1 . 6 ；加入其它碳源时有助于菌株稳定产酶； 100ml摇瓶的最佳装液量为15ml ；肌酸、肌氨酸和氯化胆碱都能诱导菌株产酶，其中肌酸诱导产酶的效果最好，而肌酐和尿素不能诱导菌株产酶；诱导物肌酸的最适加入时间为接种培养12小时后，最适加入量为0 . 75 。
