查询词典 particle

The frictional force between a particle and fluid counterbalances the weight of the particle.

颗粒与流体之间的摩擦力与其重量相平衡。

The effect of dosage of creaming reagent on creaming time, latex solid content and average particle size was studied, and it was found that the composite latex particle size was too large, and the concentration period was too long, about 15 days.

以海藻酸钠为膏化剂对复合胶乳进行了膏化浓缩，研究了膏化剂用量对膏化时间、胶乳固含量和胶乳粒径的影响，结果表明膏化浓缩胶乳粒径较大，膏化周期较长，一般需半个月左右才能得到实用的浓缩胶乳。

In the experiment, preparation conditions of particle MnO_2 by electrolyzing MnSO_4 acid solution with two kinds of electrode made of different materials were optimized and compared, effect mechanisms of different factors were discussed, and diameter, specific surface area and crystal phase of the particle MnO_2 was all determined by several means such as laser diameter analysis, IR and XRD.

实验中采用在线超声电氧化的方法，对两种不同材料的电极电解MnSO_4酸性溶液制备微粒MnO_2的条件进行了优化和对比分析，探讨了各种因素的影响机理，并通过激光粒度分析仪、红外光谱仪和X射线衍射仪对微粒MnO_2进行了表征，测定了微粒的粒径大小、比表面积和晶相构成等。

As the foundation, the particle analyzed the rural market's brief history and the present situation, the economic function and characteristic. Then the particle explanted the rural market's production, function result and a step development from the informal institution's angle. At the same time it pointed out the vital role of the informal institution to the developing process of the rural market.

在分析农村的非正式制度的基础上，文章接下来分析了农村集市的历史简况和现状、经济功能和特征，并对非正式制度对农村集市的产生、运行绩效和进一步发展的影响进行了阐述，指出了农村集市发展过程中非正式制度的重要作用。

The effect of the particle array and distribution,particle orientation and shape on the effective moduli is examined in order to be able to design the better micro...

分析了颗粒的排列分布、颗粒取向和颗粒的几何形状对有效模量的影响。

The results show that the influences of the gas flow rates on particle velocity and temperature are the most salient, and the particle velocity increases with the increase of the gas flow rates.

在诸因素中，气体流量对粒子速度和温度的影响最为显著，随着主气流量的增加，粒子速度有所增加。

A new particle filtering algorithm was proposed, which introduced Swarm Intelligence niching technique into particle filtering in order to enhance particles diversity and search ability and convert above issues into a multi-modal optimization so that measure information is fully. As a result, particles can move towards the high likelihood areas which increase precision for system state estimation.

提出了一种新的粒子滤波算法，将群智能算法中的小生境技术引入粒子滤波中，增强粒子的多样性和寻优能力，同时将上述问题转化为多模寻优问题从而充分应用观测信息，使得采样后的粒子朝着高似然区域移动，从而有效地提高系统状态估计精度。

The results indicate that ① the reactor with sulfur particle size of 2.8-5.6 mm can effectively remove nitrate from nitrified leachate up to a concentration of 400 mg/L NO - 3 N at a hydraulic retention time of 5.71h;② the minimum hydraulic retention time necessary for complete denitrification depends on sulfur particle size and influent nitrate concentration;③the maximum volume...

结果表明，当HRT为5.71h，硫磺粒径为2.8－5.6mm时，最高处理浓度（以NO－3－N计）达400mg／L。达到完全反硝化所需的最小停留时间取决于硫磺粒径及进水硝酸盐浓度。硫磺粒径为2.8－5.6mm，5.6－11.2mm，11.2－16mm时，NO－3－N最高容积负荷分别为594，278，175.4g／（m3d）。NO－3－N最大表面负荷约为0.68g／（m2d），是自养反硝化的控制因素，与硫磺粒径无关。

You can modify the particle color in different ways, such as by using a simple gradient or by randomizing and turbulizing the particle color values.

可以通过不同的方式修改粒子颜色，例如可以使用简单的渐变或者是随机和紊乱对粒子的颜色值进行设置。

In order to achieve the required angular resolution, a sophisticated tracking detection system was established to reconstruct the track of each incident particle, as well as each scatted particle. The upstream detection system consisted of two plastic scintillators (T1 and T2) and two low-pressure multiwire proportional chambers .

He是结构性质比较典型的丰中子核，也是RIBLL可以产生的束流强度较大的放射性核素。2001年3月，我们利用兰州近代物理研究所的放射性次级束流线装置提供的25MeV/n的〓He轰击〓Be和〓Li靶，进行了〓He+〓Be的准弹性散射的研究。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。