| 1. | Because the resulting o2 concentration of 7 vol % is to close to the required concentration of o2 we have to do this twice times to get an oxygen level in the range of 2 to 3 %
因为氧气的体积浓度为7 % ，接近燃烧所需要的氧气浓度值，所以必须进行两次这样的操作，使用氧气浓度范围为2 - 3 % 。 |
| 2. | The pigment obtained was further characterised with regard to the parameters required for paint formulation ; its specific mass was determined by oil consumption and critical pigment volume concentration
此外，针对油漆配方所要求的参数，对制得的颜料进一步检定；其密度由耗油量和临界颜料体积浓度决定。 |
| 3. | But the nox mass flow rate ca n ' t measure directly , the only method to get nox mass flow rate is to know nox concentration in the exhaust and the exhaust mass flow rate , then indirectly obtain the rate by calculation
而柴油机排气中nox的质量流量不能直接测量，只能通过测量nox的体积浓度并确定排气质量流量或体积流量，才能推算出排气中nox的质量流量。 |
| 4. | Besides , as results shown under considering factors affecting the friction reduction , with the increase of microbubble diameter within 100 ? w and the grads of air volume fraction in injection normal to the plate , the magnitude of friction reduction will be increased
此外，对影响减阻的因素计算结果表明，随着气泡直径( 100 m以内)和入口处气泡体积浓度的垂向梯度增大，减阻量增加。 |
| 5. | The simulation result shows that vadose zone can rigorously retard those nuclides with vigorous adsorbility , i . e . the bigger the nuclide decay coefficient is , the more the nuclide is retarded in vadose zone and the less the nuclide concentration in aquifer is , and that the distribution coefficient directive affects the form of the nuclide concentration curve in an aquifer
数值模拟结果表明：包气带对于吸附性较强的核素具有很大的阻滞作用，对于低分配系数的核素阻滞作用较弱；衰变系数对含水层中核素的迁移起到了重要作用，随着衰变系数的增大，地下含水层中的核素体积浓度逐渐降低，并且分配系数的大小直接影响着核素在含水层中体积浓度分布曲线的形状。 |
| 6. | The influences of the inlet tube angle , backpressure and driving jet velocity on static pressure distribution in the gas - solid injector are calculated , and the effects of the inlet tube angle on particle bulk phase concentration and axial mean speed of particles in the gas - solid injector are analyzed firstly . the predicament caused by lack of measuring means on the particle velocity in experiments is solved
分析了收缩角、背压和气体喷嘴出口速度对气固喷射器内静压分布的影响，以及收缩角对气固喷射器内固体颗粒体积浓度场和颗粒平均速度的影响，解决了喷射器内固体颗粒速度试验测试手段缺乏的困境。 |
| 7. | Traditionally it is considered that particles are formed into the single - chain structure , while the body - centered tetragonal ( bct ) structure comes into being when the particle volume is a little high . and the other structure models such as the layer model , the fiber model , the column model and so on
粒子发生聚集所形成的结构传统的认为是单链模型，而当粒子的体积浓度比较大时，一般认为是体心四方结构(即bct模型) ，此外还有诸如层结构模型、纤维结构模型、圆柱结构模型等等。 |
| 8. | Increasing ph of water samples induces partitioning of metals to solid phases and hence transport of metals with suspended sediments . 3 . increase in concentration of sediment promotes adsorption for trace metals onto solid - phase in the estuary , but has little influence on partitioning coefficient for trace metals
水体悬浮泥沙浓度的增大将普遍提高体系中微量金属在固相中的吸附，但对微量金属的固-液分配系数k _ d (为金属在泥沙固相中的质量浓度与其在溶液相中的体积浓度之比值)的影响并不显著。 |
| 9. | According as the mathematic model near the inlet of the 1750m3 / h cutter suction dredger , by researching the method of calculating the slop ' s specific gravity and volume concentration , the thesis adopted instant interactive mode and developed the optimized dredging operation guiding and training system , which has outstanding instructional quality
根据1750m ~ 3 h绞吸式挖泥船吸口处泥浆形成过程的数学模型，通过对计算泥浆比重及体积浓度的方法进行专门研究，采用即时交互方式，按疏浚作业优化操作步骤开发出指导性强的疏浚作业优化操作提示系统。 |
| 10. | 1 . upon brief reviewing current mathematical and physical models and mechanisms for electrorheological effect , the theoretical analysis of the dielectric relaxation of electrorheological fluids and the frequency - inducing characteristics for electrorheological effect are conducted . based on statistical thermodynamic analysis and osmotic pressure calculating of an electrorheological fluid complex system , phenomenological theory is adopted to evaluated phase reparation characteristics . thus critical factors corresponding to experimental results are introduced
在简要评述现有电流变效应模型及机理的基础上，按非均匀介质对双相复合悬浮液的电流变效应进行理论分析，研究了电流变效应频率诱导特性；基于复合系统渗透压的计算，采用统计热力学唯象理论，讨论了电流变效应的相分离特征，获得了与实验吻合的临界参数；首次将定向渗流模型应用于电流变体临界体积浓度的分析，得出一个描述电流变流体特征而不随外加电场变化的临界体积百分数为0 . 37 。 |
