At the section with non lithology key bed, the key bed could be selected according to the lithology combination and the particle variation.
在无岩性标志层的层段，则根据岩性组合及粒度变化选择标志层。
By introducing the nonlinear variation weight and mutational operation into the standard particle swarm algorithm to ensuring the overall convergence and enhance the accuracy of convergence.
在标准粒子群算法中引入非线性变化权重和变异操作来保证全局收敛并提高收敛精度。
The test results show that wear particle analysis can be used to compare the effect of the variation of a particular factor on wear processes.
试验结果表明，磨损粒子分析能够用来比较特殊因素的变化对磨损过程发生的影响。
For different material of particle electrode, there are reverse trends of particle electrode potential with the variation of inorganic salt concentration and organic compound concentration.
对不同的粒子电极材料，粒子电极电位随无机盐含量和有机物含量变化的趋势不同。
The process of nucleation, coagulation and condensation was intense near the exit of the tailpipe and the variation of the particle distribution with time was strong.
在排气管出口处，微粒的核化、凝并及凝结过程比较剧烈，微粒分布变化较大；
But the particle swarm without the inheritance operation such as cross and variation, decided the searching according to its speed, and particle has an important memory character.
但是粒子群算法没有遗传操作如交叉和变异，而是根据自己的速度来决定搜索。粒子还有一个重要的特点是记忆。
The field evaluation results of this system show that real-time variation date of WSOC in ambient fine particle can be provided rapidly and steadily.
实际运行结果表明，该系统能够快速稳定地获得大气细粒子中WSOC的实时变化数据。
It is shown that the TEC variation is associated with the local time the solar perturbing occurred and the coupling of the ionospheric particles of high latitude with the solar particle.
由此看出，磁暴期间电离层tec的变化直接与太阳扰动发生的时间及其对高纬电离层的耦合有关。
Because the particle shape of MCC is irregular, it causes bad flowability, the variation of tablets weight, and the poor disintegration properties.
然而由于微晶纤维素颗粒形状的不规则，使得其粉末的流动性不佳，造成锭片重量上的差异。
Under the high solid flux, in the dilute flow region, the particle velocity is analyzed and discussed with the variation of operating condition.
对稀相区在较高固粒流率下对颗粒运动速度进行了变工况分析和讨论。
Based on this knowledge, the grinding kinetic equation of coal characterized by particle size is presented. It can reflect the variation of particle size of coal during the grinding process.
在此基础上，建立了以粒度表征的煤粉碎动力学方程，用以反映粒度大小在粉碎过程中的变化特征。
The K-Factor correlated linearly with dust concentration, this is due to the variation of dust particle median diameter.
这种影响是由于粉尘颗粒中位径变化而引起的。发尘源非连续发尘时不但引起粉尘浓度变化，而且引起中位径改变。
The energy spectrum of a particle in one-dimensional power potential well is analyzed and the variation of the spectrum shape with the power is discussed.
分析了一维幂次势阱中粒子的能谱，讨论了能谱形状随幂次变化的规律。
The formula shows that the velocity variation depends on jet initial states, material properties, and particle shapes.
对一般颗粒形状，理论给出的无量纲速度与实验结果有较好的一致性。
The samples were dealt with selection, sieve, grinding, drying and dissolving. The samples were tested according to ISO9507-1990, the variation of iron content at different particle sizes was studied.
文章通过选样、筛分、磨样、烘样、溶样等手段对样品进行处理，并按标准ISO9507-1990对样品进行全铁含量检测，考察铁含量随不同粒径块铁矿的变化。
The influences of dosage of initiator, surfactant and DPR, and the type of initiator on polymerization were studied by monitoring the conversion of monomer and variation of particle size.
考察了聚合过程中水溶性引发剂用量、乳 化剂用量、引发剂种类、歧 化 松香含量等对单体转 化率和聚合物粒子粒径变 化的影响。
The influences of dosage of initiator, surfactant and DPR, and the type of initiator on polymerization were studied by monitoring the conversion of monomer and variation of particle size.
考察了聚合过程中水溶性引发剂用量、乳 化剂用量、引发剂种类、歧 化 松香含量等对单体转 化率和聚合物粒子粒径变 化的影响。
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