研究探讨了改善半导体引线框架材料表面特性的方法。
This paper discusses the methods for improving surface characters of semiconduc-tive lead frame.
内容包括生医材料表面特性检测和蛋白质吸附于生医材料表面的分析。
Topics include methods for biomaterials surface characterization and analysis of protein adsorption on biomaterials.
它是利用材料表面的辐射特性来获得绝热保温效能。
It is the use of radiation characteristics on the surface of the material for insulation performance.
除了假体表面结构类型的位置的变化以外,股骨假体随着其形状和材料力学特性不断改变。
In addition to type and location of surface texturing, femoral components vary in shape and by material and mechanical properties.
称量盘由表面光滑地聚苯乙烯材料制成。表面抗静电的特性最大程度地减少了样品的损失。
Constructed of polystyrene with a smooth surface that provides accurate pour-outs with minimal sample loss and facilitates weighing of static-affected samples.
复合材料的界面,常常被看成是表面,实际上是许多的组成、结构和特性组分,其厚度从单原子层到数个微米不等。
Interfaces in composites, often considered as surfaces, are in fact zones of compositional, structural, and property gradients, typically varying in width from a single atom layer to micrometers.
由于纳米材料催化剂具有独特的晶体结构及表面特性,因而其催化活性和选择性大大高于传统催化剂。
Nanometer catalyst material had peculiar crystallographic structure and surface property, thus its catalytic activity and selectivity were too much greater than these of traditional catalyst.
上述实验结论对材料表面空间反射特性的研究具有重要意义。
The conclusions can be used for further study on spatial reflectance characteristics of material surfaces.
结合试验研究结果,分析了圆盘参数、工作速度、土壤特性和表面材料等对圆盘受力的影响规律。
The influence of disc dimension parameters, velocity, soil properties, tool surface properties on the disc coulter force were analysed by comparison with the experimental results.
可根据材料的特性及技术要求,通过改变工艺参数得到理想的加工表面。
Process parameters were found to obtain optimum effect of surface hardening, according to material property and technology requirement.
暗色:石墨灰砖瓦的表面被抛光,用以提高该材料的固有特性。
Dark monochromatism: the surface of the graphite gray tiles was polished so as to enhance the intrinsic qualities of the material.
纳米多孔金属材料由于其较高的表面积所以拥有良好的电子传输特性,这正好改善了其在导电双电容或电池上的电极性能。
They posses a high surface area for better electron transfer, which can lead to the improved performance of an electrode in an electric double capacitor or battery.
实际的金属表面,其反射特性与材料、光源光波波长、散射及漫反射损耗有关。
The reflection character of a real surface of metalwork is related to the material, light wavelength, scattering and diffuse reflection.
因此水稻植硅石具备纳米材料的独特性状:表面效应、小尺寸效应、量子尺寸效应和宏观量子隧道效应。
According to nanometer theory, rice phytoliths must have properties of nanometer materials: surface effect, small size effect, quantum effect and macro quantum tunnel effect.
一个完整的MEMS表面加工工艺pcm系统应当包括三个部分:电学参数提取、几何学参数提取和材料特性参数提取。
An entire PCM system of MEMS surface manufacturing process should include three parts: electronic parameters extraction, geometric parameters extraction and material property parameters extraction.
内部破坏模式的S - N曲线不受表面条件的影响,是材料固有的特性。
The S-N curves for internal fracture mode are not affected by surface conditions, which is an inherent characteristic of the material.
文中介绍了不干胶薄膜标签材料的基本结构和表面特性,探讨了不干胶薄膜标签的印制工艺及生产注意问题。
The constructions and surface characters of material of pressure sensitive film label were described; the production process and problems of pressure sensitive film label printing were discussed.
本文阐述近几年来国外表面活性剂的种类、结构和特性,以及不同结构在不同感光材料中的应用。
The types, structures and characteristics of surfactants recently in abroad and their application in different photographic materials are reviewed.
这种密封材料的独特性能,使它适合于各种不规则的表面,用适当的螺栓力便被压成一个薄垫片。
This unique combination of properties permits it to conform easily to irregular surfaces and compress to a thin gasket while using moderate bolting force.
这种结构形成了抗磨损的优化表面层和抗腐蚀的钝化层,明显改善了材料表面抗磨损、抗疲劳和抗腐蚀特性。
This structure forms the passivation layer against corrosion and wear. The optimum layer against wear improves the resistance of material surface in corrosion, wear and fatigue extremely.
叙述了激光与材料相互作用过程中引起相干受激光散射的机制,以及形成材料表面波纹的特性。
The mechanism of coherent stimulated light scattering and the characteristics of the surface ripple in the laser interaction with materials is described.
由于表面对材料的特性具有重要的影响,而(001)表面是铅盐的天然解理面,所以对铅盐(001)表面的研究具有至关重要的意义。
The surface of material is very important for us to use it, while the (001) surface of lead salts is a natural surface.
辐照改性层特性的超声无损表征为材料表面改性层质量评价提供了很好的途径。
The ultrasonic nondestructive characterization for irradiated coatings has contributed to the quality evaluation of modification layers of surface materials.
聚酸酐是一类具有表面降解特性的生物医用高分子材料,具有良好生物相容性。
Polyanhydrides are one kind of biomaterial with characteristics of surface degradation and good biocompatibility.
目的了解两种材料表面软骨细胞的增殖特性预测形成组织工程化关节软骨的可能性。
Objective To forecast the possibility of new cartilage formation by tissue engineering approach with observation of the cartilage cell proliferation on two difference materials.
介绍纳米材料的特性、制备方法及聚合物基纳米复合材料中纳米材料的表面处理方法。
Introduce the characteristics and preparation methods of nanometer materials as well as its surface-treating methods in the polymer-nanometer material composite.
超细材料所具有的表面效应、小尺寸效应、量子效应等独特性能使其在许多方面有着广阔的应用前景。
The unique characteristics of micro-size materials such as surface trait, the little size and quantum effects, make them have a wide application prospect in many aspects.
采用表面化学和材料力学方法,探讨了支架的组成、结构、表面特性、力学性质及细胞相容性。
The composition, structure, surface characteristic, mechanical property, and cell compatibility of the scaffold have been studied by using surface chemistry and material mechanics testing methods.
双向反射分布函数(BRDF)有效地描述了材料表面的空间反射特性和光谱特性。
The spatial reflected characteristic and spectral characteristic from optical material surfaces were effectively described by the BRDF (Bi-directional Reflectance Distribution Function).
通过模拟实验进行了细水雾作用下不同固体材料表面火蔓延特性的小尺度实验研究。
With experimental measurement and analytical technology, the research of fire propagation over the surface of some combustible solid is conducted.
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