物理过程

To simulate exactly actual progressive of electromagnetic wave in cavities, the bottom reflection calculation in progressive physical optics is improved in this paper.

改进了行进物理光学的终端反射计算，使计算过程更符合电磁渡在腔体内部的实际传播过程。

Thirdly, according to the development of the frozen soil, the coupling model of single freezing pipe of axial symmetry of temperature field, stress field and moisture migration is put forward firstly. Then, by means of the progressing principle of potential field, the coupling model of temperature field, stress field and moisture migration which is under the condition of the multi-freezing pipes is extended. At last, the energy balance equation, stress balance equation, quality balance equation, geometric equation, physical equation, initial and boundary conditions etc are adopted to give the analytic solution to the problem of plane axial symmetry of single freezing pipe.

第三，在对室内试验和现场实测结果研究的基础上，分析了土体冻结过程中温度场、应力场、水分场耦合原理，并按照冻土体形成发展过程，首先建立了单一冷源冻结轴对称温度、应力、水分场耦合模型；接着利用势场的迭加原理，将单一冷源情况的三场耦合问题推广到多冷源情况的三场耦合；最后根据能量守恒平衡方程、应力平衡方程、质量守恒平衡方程、几何方程、物理方程、初始及边界条件，解出了单一冷源平面轴对称问题的解析解。

The mold is made of the silicone pattern layer with a quartz supporting plate. The parameters in a vacuum casting process and a hardening process for composing the silicone are optimized to improve the physical properties of the mold to keep adequate demold and pattern accuracy.

分析了硅橡胶模具制作工艺中真空辅助浇铸的成型过程，以及交联固化反应过程的各个工艺参数对硅橡胶模具性能的影响，通过大量实验，具体分析了硅橡胶单体和固化剂配比、浇铸真空压力、固化温度及固化时间等工艺参数，并由此得到了优化的硅橡胶固化工艺参数，提高了硅橡胶模具的物理性能。

How listeners are able to detect and identify individual sound sources in noisy, reverberant environments is one of the most intriguing questions in auditory perception.

在早期感觉加工阶段所进行的心理物理和ERP的研究均表明，听觉系统对声波精细结构存储的初始听觉"记忆"是一个随时间而衰减的动态变化过程，该过程受到声音频率和双耳延迟的影响。

Schorl in the granite and dravite in carbonatite are respectively related to the magmatic fluid and basin fluid, while the tourmaline with optical and chemical zones in vein ore is mainly due to the mix of post-magmatic hydrothermal solution and basin fluid; The chemical composition variety of garnet in the horizontal zones are mainly related to the post-magmatic hydrothermal solution and the accessorial fluid from sedimentary basin.

不同产状的电气石及其环带状结构分别与来自岩浆期后热液和盆地流体及其混合所产生的"化学振荡"作用有关；在夕卡岩水平分带中，石榴石化学成分的变化除与岩浆热液在演化过程中自身的物理-化学条件发生变化外，可能还与岩浆热液在对围岩进行渗滤交代的过程中有盆地流体的加入有关。

The results show that during the quenching process of singlet oxygen physical quenching is the main factor.

结果表明，猝灭剂猝灭单重态氧的过程中，物理猝灭过程是主要的。

The universal research in microscopic tribological mechanism of contact, adhesion, friction, molecular-level solid-liquid interaction, tribochemistry, triboelectricity etc, in the interaction among goetmaterials or between goematerials and artificial materials during geomotion, were reviewed and analyzed.

2综述和分析了地质运动过程中普遍存在的微观摩擦机制如接触、粘着、分子级流体-固体相互作用、摩擦化学、摩擦电性等的研究概况，认为地质摩擦学的研究应具有宏观和微观两个层次，对地质运动的微观机制的研究将促进对地质材料的地球物理、化学和力学性质的研究，并有助于对各种尺度上的地质运动过程的理解

The DSC and FTIR techniques were utilized to analyze the thermal evolution process of the PZT gelation powder with and without acetylacetone agents and the physicochemistry changes of the PZT powders from amorphous to crystal phases.

用DSC和FTIR技术分析了有无乙酰丙酮螯合的两种PZT凝胶粉末的热演化过程；分析了PZT由无定型相向结晶相转化过程中发生的物理化学变化。

Three methods of physical modification, calcification and amidation were used to improve the rigidity of oxidized wax,and their technical conditions,advantages and disadvantages were studied and summarized respectively.

通过物理改性、钙化、酰胺化3种方法来提高氧化蜡的硬度，研究了其工艺条件，讨论了3种方法的优缺点。采用模拟燃煤烟气方法，研究了石灰湿法燃煤烟气脱硫过程中CO2钙化问题，指出了烟气脱硫过程中CaCO3的生成量与脱硫液初始pH值、SO2初始浓度、温度的关系，得出抑制CaCO3生成的条件，为减缓石灰湿法燃煤烟气脱硫存在的结垢现象，对石灰湿法燃煤烟气脱硫系统的实际应用具有一定的指导和借鉴价值。

The technique of CAE about injection molding is based on polymer processing rheology and conductive calorifics. It simulates the actual process of melt filling, packing and cooling by setting up mathematic and physical models about melt flowing and heat transmitting in the mold cavity, and working out the results by the theory of numerical value analysis. It can also list the processing parameters quantificationally such as pressure, time, temperature, speed, etc, and reflect the results visually by computer figures.

注塑模CAE技术是根据塑料加工流变学和传热学的基本理论，建立塑料熔体在模具型腔中的流动、传热的数学物理模型，利用数值分析理论构造其求解方法，模拟出实际成型中熔体的动态填充、保压、冷却过程，定量地给出成型过程的状态参数(压力、时间、温度、速度等)，并利用计算机图形学的技术，可形象而直观地反映出分析的结果。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。