The first three chapters deal with various aspects of the relativistic quantum mechanics of free particles.
开始三章阐述了自由粒子的相对论量子力学的多个方面。
All these prevent the electrons and holes from continuing their steady motion as quasi-free particles, and introduce scattering.
所有这些影响都会妨碍电子和空穴去继续它们作为准自由粒子的稳定运动，而引起散射。
The mechanical property of the coating is greatly improved due to the polishing and squeezing of the free particles. The micro hardness doubles and the tensile intensity increases by over 90%.
电铸层的机械性能也得到了明显的改善，显微硬度和抗拉强度比传统电铸工艺提高了一倍左右。
As an antioxidant, lycopene protects cell structures and DNA against the nefarious effects of free radicals-small particles that damage healthy cells and allow tumor cells to develop.
作为抗氧化剂，番茄红素可以保护细胞结构和DNA远离自由基的影响——自由基是一种会破坏健康细胞、使癌细胞扩散的微粒。
It asserts, roughly, that if indeed we humans have free will, then elementary particles already have their own small share of this valuable commodity.
我们认为，简言之，如果人类真有自由意志，那么基本粒子也享有这项小小的权利。
For the Gibbs free energy it was the pressure and the temperature, the number of particles.
对吉布斯自由能是压强，温度和粒子数。
Sea spray – and, therefore, sea air – is full of negative hydrogen ions, charged particles that neutralise damaging free radicals (positive ions) and improve our ability to absorb oxygen.
大海溅起浪花，因而使海洋空气中富含负氢离子，抵消自由基（阳离子）带电粒子，增强我们的吸氧能力。
Heating husks to 800 degrees centigrade (1,472 degrees Fahrenheit) in an oxygen-free furnace drives off carbon, leaving fine particles of nearly pure silica behind.
在无氧炉中将糠皮加热到800摄氏度(1472华氏度)将分离糠皮中的碳，留下几乎只含有硅的细小微粒。
Heating husks to 800 degrees centigrade (1, 472 degrees Fahrenheit) in an oxygen-free furnace drives off carbon, leaving fine particles of nearly pure silica behind.
在无氧炉中将糠皮加热到800摄氏度(1472华氏度)将分离糠皮中的碳，留下几乎只含有硅的细小微粒。
Furthermore, patients' HDL particles more readily accepted free cholesterol and cholesterol esters from lipidic nanoemulsions after exercise training, to a level similar to that in controls.
此外，锻炼后患者的高密度脂蛋白颗粒更容易接受游离胆固醇及胆固醇酯，达到与对照组相似的水平。
Composition and surface properties of obtained composite sub-micron particles have been studied in comparison with those of ferrite-free PLGA sub-micron particles.
将由此而来的混合亚微粒的组分和表面性质与不含铁氧体的PLGA亚微粒进行了对比研究。
When one reaches the melting temperature, particles break free as the material melts away.
当一个到达熔点时，物体熔化的同时粒子自由破裂。
A gas completely fills its container. The particles are free to move about. They collide with the walls and with other particles.
气体会将容器完全填充满，粒子可自由移动。它们同其他粒子以及容器壁碰撞。
ConclusionThis is a good method that can prepare nanometer magnesia particles with free-agglomeration.
结论该方法是一种很好的制备无团聚纳米氧化镁粒子的方法。
Production and sale of main products have all kinds of PVC particles, high-grade oxygen-free copper wire, tinned wire, and a variety of wire and cable products.
公司生产及销售的产品主要有各种聚氯乙烯胶粒，高档无氧铜丝、镀锡丝，以及各类电线电缆产品。
Based on the theory of fluid mechanics this paper suggests that different-size particles can be satisfactorily flocculated if free turbulence occupies almost all the space of the flocculator.
本文以流体力学理论为基础，提出在应用自由紊流的絮凝池内，大小不同的颗粒均可处于良好絮凝状态。
In the case of painting, finishing, and sealing applications, these particles lead to fisheyes in the finish, making powder free gloves the better choice for these applications.
在漆油漆、整理和密封应用的情况下，这些粒子会形成鱼眼（即一种缩孔）。这就使得无粉手套成了这些应用的更好选择。
Many sugar-free gums that are marketed as being good for your teeth simply increase saliva flow, which helps to remove food particles, says Leung.
许多市场定位为有益牙齿健康的无糖口香糖只不过是增加唾液从而有助于清除饭粒而已，勒昂说。
The role of free radicals in the lung cancer induced by physical and chemical factors such as smoking, occupational dust particles, metal ions, quartz, asbestos were briefly discussed in this article.
本文对自由基在吸烟、职业烟尘微粒、金属离子、石英、石棉等理化因素致肺癌中的作用进行简要综述。
This article briefly discussed the role of free radicals in the lung cancer induced by physical and chemical factors such as smoking, occupational dust particles, metal ions, quartz, asbestos.
自由基医学是近年来兴起的一门交叉学科，本文对自由基在吸烟、职业烟尘微粒、金属离子、石英、石棉等理化因素致肺癌过程中的发病机制进行探讨。
This is because the reduced SO2 may simply free another pollutant, ammonia, to react instead with abundant NOX creating ammonium nitrate particles.
因为二氧化硫虽然减少了，另外一种被释放出来的污染物——氨，却通过大气化学反应生成了大量的硝酸氨颗粒。
Some electronic components, drugs, and chemicals must be manufactured where the air is as free as possible of dust and other particles.
有些电子元件、药物、以及化学物质必须在没有灰尘和其他微粒的空气中生产。where强调地点、所在。
The monodisperse polystyrene particles were prepared by free radical dispersion polymerization.
用分散聚合方法制备单分散聚苯乙烯微球。
The mechanism of fibrosis caused by free silica particles involves a lot of cells and reactions including inflammatory reaction, immunological reaction, foreign body reaction and cell toxic action.
游离二氧化硅致肺组织纤维化机制十分复杂，涉及多种细胞及生物活性物质参与的炎症反应、免疫反应、异物反应、细胞毒作用等。
The monodisperse micron-size polystyrene particles were prepared by emulsifier-free emulsion polymerization.
采用无皂乳液聚合法制备了具有单分散性的微米级聚苯乙烯微球。
The monodisperse micron-size polystyrene particles were prepared by emulsifier-free emulsion polymerization.
采用无皂乳液聚合法制备了具有单分散性的微米级聚苯乙烯微球。
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