查询词典 particles

All the kinetic energy of incident particles can go into production of new particles.

入射粒子的全部功能可用于产生新的粒子。

Based on two-fluid model and kinetic theory of granular flow, numerical simulations were carried out to investigate fluidization behaviors of ferromagnetic particles in magnetically fluidized bed characterized by high granular concentration and strong interactions among particles.

针对磁流化床中颗粒浓度高，相互作用强的特点，在双流体模型的基础上，引入颗粒流的动力学理论，对床内铁磁颗粒在不同工况下的流化特性进行数值模拟。

The results are identical with the variation of the factual size of particles. By the viable datum, the average size of particles in the cross section is calculated in the dilute phase area of Circulating Fluidized Beds riser.We successfully apply the two-fluid model and kinetic theory of granular flow studying the two dimensional dense gas-solid flow characteristics in the large scale circulating fluidized beds and the cold experimental system with PIV.

在对高浓度气固两相流的研究中，根据FLUENT软件现有的条件和解决工程实际问题的需要，采用单气固相双流体欧拉模型，采用模拟紊流固粒流中普遍接受的方法"颗粒流的运动理论(kinetic theory of granular flow)"，对大尺度循环流化床进行了二维数值模拟，与他人数值模拟结果和实验结果进行了对比，检验模型的准确性。

For the study of Brownian motion established kinetic theory of gases played an important role in the process of .1827, Brown observed that pollen suspended in water such as the random motion of material particles .1877 year, Delta claims that the particles The irregular movement of liquid molecules to its collision-induced .1905 imbalance and later years, Einstein, Langevin Smolukhovski, and they were published on the theory of Brownian motion .1908 year, Perrin Experimental observation of the system, confirmed the correctness of the theory.

对于布朗运动的研究在气体动理论建立的过程中起过重要作用。1827年，布朗观察到悬浮在水中的花粉等物质微粒的无规则运动。1877年，德耳索指出，微粒的不规则运动是液体分子对它的不平衡碰撞引起的。1905年及稍后，爱因斯坦、斯莫卢霍夫斯基和朗之万分别发表了他们关于布朗运动的理论。1908年，佩兰的系统实验观察，证实了上述理论的正确性。

Based on the hydrodynamic theory of dense gas-solid flow and the kinetic theory of dense gases proposed by Chapman and Cowling, the kinetic theory of cohesive particles flow and constitutive equations of cohesive particles are established.

目前科学家们对粘附性颗粒的流态化研究主要集中于实验研究，数值模拟研究做的比较少，特别是对传统的双流体模型，如何进一步改进完善，以适应粘附性颗粒的气固两相流动的研究，成为当务之急。

People through nuclear reactions, have been synthesized 17 kinds of atomic number greater than 92 of the transuranic elements, and thousands of The new kinds of radioactive nuclides, and by high-energy and ultra-high energy-ray beam and the interaction of atomic nuclei and found hundreds of kinds of short-lived particles, namely, baryon, meson, lepton, and particle resonance states of these particles has led to a new field of study - the birth of particle physics since the age of .70, nuclear physics has entered a deep development and wide application of new, more mature stage, on the one hand the development of particle acceleration and detection techniques, expanding people's research in nuclear means, the other hand, nuclear technology to serve the national economy, for example, for the development and utilization of nuclear energy to provide more accurate nuclear data; the use of isotope tracer technique diagnosis and treatment of disease; the use of radiation and irradiation preservation of food, irradiation breeding .

人们通过核反应，已经人工合成了17种原子序数大于92的超铀元素和上千种新的放射性核素，并且通过高能和超高能射线束和原子核的相互作用，发现了上百种短寿命粒子、即重子、介子、轻子和共振态粒子，对这些粒子的研究导致了一门新学科——粒子物理学的诞生。70年代以来，核物理进入了纵深发展和广泛应用的新的更成熟的阶段，一方面发展粒子的加速技术和探测技术，扩充人们研究原子核的手段，另一方面将核技术服务于国民经济中，例如，为核能的开发利用提供更为准确的核数据；利用同位素示踪技术诊断和治疗疾病；利用射线及辐照技术保存食品、辐照育种等。

It is mainly in submicro particles adsorbed at the crystal rims of clay mineral kaolinite and illite,or in micro particles included within limonite,little amount of gold is in the adsorbed phase of limonite.

研究表明，这些金以超显微金的形式存在于粘土矿物高岭石、水云母的晶体边缘，或混杂于褐铁矿中的针铁矿晶体集合体之间，少数呈褐铁矿的吸附相形式存在。

On the basis of the above results, we are now choose three kinds of Chinese medicine—fritillary,fourstamen stephania root,szechwan lovage rhizome which more recognized resistance has reversed the active ingredient, among single ingredient and the compound, to make particles—formulation of compound fritillary particles, as a therapeutic drug.

在上述成果基础上，我们从单味药到复方，选取当前较为公认的具有逆转肿瘤细胞多药耐药活性成分的三味中药浙贝母、防己、川芎，制成颗粒饮片——复方浙贝颗粒配方，作为治疗药物。

When the solar particles reach our planet, the electromagnetically-loaded particles will move in a spiral along the magnetic lines: from the magnetic north pole to the magnetic south pole and back.

当太阳粒子到达地球，对电磁式粒子将在螺旋沿磁力线：从北磁极的磁南极和背部。

The relationship between the sample mass and the number of particles were investigated for different sampling modes (sampling by mass and sampling by the number of particles).

按质量取样的误差理论的提出，解决了长期以来人们在考虑按质量取样的误差时所必须进行的近似处理的局限性，填补了该领域的一项空白。

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。