| 1. | Investigation involving the key technique of numerical simulation of the viscid fluid field
粘流场数值模拟关键技术研究进展 |
| 2. | First , according to the design requirement of hydraulic valve , the particular parameter of the valve is put forward , and the navier - stokes equation of the two - dimension impressible viscid fluid in the hydraulic valve is set up
本文选择液压阀中的溢流阀为具体研究对象。根据溢流阀的性能要求，确定了阀的具体参数，完成了溢流阀的设计。 |
| 3. | Property : the product is a kind of colourless to light - yellow viscid fluid or white wax solid . it can dissolve in organic reagent like water ， alcohol etc . it gives off methanal upon heating . so it is a good methanal donator ， and is used in conperation of rs 、 rh and re to get a good adhensive result
性状：无色至微黄色粘稠液体或白色蜡状固体，能溶于水和一般有机溶剂，加热能释放出甲醛，是一种良好甲醛给予体，与rs 、 rh 、 re配合使用，能起到良好的粘合效果。 |
| 4. | The viscid flux is discretized by second - order central difference scheme . baldwin - lomax turbulence model is implemented in navier - stokes flow solver . for steady - state calculations , a four - stage runge - kutta scheme with convergence acceleration techniques such as local - time stepping and implicit residual smoothing is used
其中，定常计算中的时间推进采用四步runge ? kutta方法，并应用了当地时间步长、隐式残值光顺等加速收敛措施；非定常计算中的时间推进采用jameson的隐式双时间方法。 |
| 5. | It adopts reynolds time - average n - s equation and k - ? turbulence model to calculate the inner 3 - d viscid turbulence flow of centrifugal pump . in the unstructured grid , the governing equations are discretized with finite volume method based on finite element method . then the pressure correction method is used to carry out numerical calculation
而后采用基于雷诺时均n - s方程与标准-湍流模型来求解离心泵叶轮内三维粘性紊流，在非结构化网格中，采用基于有限元的有限体积法对方程进行离散，用压力校正法进行数值求解。 |
| 6. | It has a high entrapment efficiency of 98 . 3 % , particle size distributing within 5 - 7u m , viscid coefficient of 1432 centipoise . antigen was stable after multiple emulsion treated with gastric juice for 0 . 5 - 6h . study on distribution in vivo of me revealed that me could stay for a long time in stomach and that antigen concentration in mesentery was increased with time and reached peak at 24h
疫苗复乳的包封率为98 . 3 % ，粒径主要分布于2 ~ 10pm之间，集中于5一7pm ，粘度为1432厘泊，体内分布实验显示， 6h胃中的抗原浓度仍很高，肠系膜淋巴结中的放射量24h最高，与胃液作用0 . 5 ~ 6小时复乳中的抗原不受影响，口服免疫小鼠后明显提高了rhp疫苗的免疫应答水平。 |
| 7. | In addition , active constrained layer damping ( acld ) has attracted scholar ' s interests because it has the advantages of passive control and active control . the mechanism of vibration control of acld and the models of how to deal with the viscid - electric material are introduced . the finite element model of acld with ghm model is established in this paper
此外，主动层阻尼结构( acld )由于兼有被动控制和主动控制两者之优点也引起了国内外学者的兴趣，本文给出了主动层阻尼结构(约束层采用压电材料)抑振的工作机理，介绍了处理粘弹性层( vem )的几种模型，并采用ghm模型建立了主动层阻尼结构的有限元模型。 |
| 8. | The main content of this article includes : " ( l ) the planar non - linear and viscid - elastic static mechanical analysis is used to analyze and calculate the md in service . ( 2 ) the planar nonlinear static mechanical analysis of the stress and deformation is used to analyze the med in banking , which is banked to the height of 140m
主要研究工作有： ( 1 )茅坪溪防护大坝完建和蓄水时的应力和变形的分析计算：对完建和蓄水时坝体的应力和变形进行平面非线性静力分析计算和平面粘弹性静力分析计算，对分析计算结果作出结论。 |
