The emphasis is then placed on the micro-macro transition from local micropolar mediums to ahomogenized Cauchy medium, suitable for the following order relation of the length scales L >> l >> A ≈ l_m.
首先讨论了不同尺度关系下宏细观过渡方法,然后重点介绍了尺度关系满足L l A≈l_m时(适用于金属基复合材料,泡沫基复合材料和纳米复合材料等),构元材料看作微极介质,而均质化后的材料仍可看作传统Cauchy介质时的解析弹塑性细观力学方法。
A novel platinum microparticles electrode loaded on nickel-chromium alloys substrate was prepared by electro-deposition of platinum salt solution.
以镍铬合金为基体,在其表面电化学沉积制备了Pt微粒电极,用扫描电子显微镜(SEM)对电极的表面形貌进行了表征,电化学方法考察了电极的电化学性能和甲醇在该电极上的电催化行为。
The Research on Chemistry Instruction fro Development Secondary School Students' Micro-Concepts about Matter
中学化学教学中学生物质微粒观的培养
Particles of the substance were examined under a microscope.
在显微镜下仔细观察物质的微粒。
Pelagic sediment contains tiny grain of material.
远洋沉积物包含了微细物质颗粒。
Substances consist of small particles called molecules.
物质是由叫做分子的微粒组成的。
a solid substance in the form of tiny loose particles.
呈细小而疏松状微粒的固体物质。
The sandlike granular material of urinary calculi.
结石泌尿结石的沙状微粒物质
Odors have been associated with particular matter.
气味是与微粒物质合在一起的。
Preparation of Polystyrene Microspheres as Micro-size Standard Materials
亚微米级聚苯乙烯微球粒度标准物质的研制
Leibniz's philosophical concern is with ultimate particles of matter, which he called monads.
Leibniz的哲学着眼于物质的最终的微粒，这些微粒他称为单子。
Particulate matter includes particles from molecular size to greater than 10Mm in diameter.
微粒物质包括从分子大小到直径大于10微米的粒子。
With the light microscope these stacks are just visible as grains (grana).
可以用光学显微镜观察到这些堆积成颗粒状的物质（质体基粒）。
A very small object, creature, or particle.
微粒、微物一个很小的物体，动物或粒子
Effects of Soil Mineral Particles on Propagation of Microorganism and Decomposition of Organic Materials;
土壤矿质微粒对微生物繁育和有机物料腐解的影响研究
A gaseous suspension of fine solid or liquid particles.
浮质细小的固体或液体微粒的气态悬浮物
The particles may be aggregates of atoms, molecules, or mixed materials.
这些微粒可以由原子，分子或混合物质聚集而成。
the mechanical process of wearing or grinding something down (as by particles washing over it).
由于微粒的冲刷磨掉某些物质的机械过程。
Slowly each grain of wood was replaced with grains of minerals.
慢慢地所有的木质都被矿物微粒所取代。
Men believed that matter was made up of very little particles.
人们过去认为物质是由微小的粒子组成的。