Recent research on photoluminescence of porous silicon (PS) has be - come a new hot spot in material science.
目前关于多孔硅(PS)的光致发光研究已成为材料科学中的一个新的热点。
This article introduced basic property, process route and current situation in China of PS extruded foam board as insulation material.
本文介绍了PS挤塑泡沫板作为保温材料的基本性能，加工工艺路线以及在我国的现状。
According to the research results, the well-selecting experimentation of the PS material is performed, and the basal material - PS3 whose sintering properties is better is acquired.
在此研究结论下，对PS材料进行了优选实验，得到了性能更好的烧结基体材料PS 3。
The spectra analysis showed that porous silicon is the material with nano crystal structure, and photoluminescence of PS can be explained by the model of quantum restriction effect.
对不同实验条件下所得到的多孔硅的拉曼光谱进行了分析，确认了多孔硅是具有纳米晶结构特征的材料，肯定了量子限制效应在多孔硅光致发光中的作用。
PS-F grouting material has a perfect effect on crack grouting of conglomerate grottoes in China, but the mechanism research of PS-F grouting material is comparatively lagging behind.
灌浆材料在我国砂砾岩石窟裂隙灌浆加固中取得理想的灌浆效果，但对该灌浆材料的机制研究相对滞后。
However, affirmative conclusion about the mechanism of producing the PS material in angiosperms is not still formed and obtained.
关于被子植物多胚苗的发生机理目前还没形成统一的定论。
Use: the products is widely used in the dairy, plastic soft bottle, cosmetic, medicine, pesticide sector. The range of the material: PP, PE, PS etc.
适合生产各种规格的乳制品瓶、塑料软瓶、化妆瓶、医药瓶、农药瓶等。适用原料：PP、PE、PS等。
ComeSoon's vertical roll stacks ensure an excellent optical surface quality of thermoforming sheets, mainly made from PET, PP and PS material.
巴顿·菲尔垂直式三辊压光机确保热成型片材优异的表面质量。主要用于PET、PP和PS片材。
According to the test, the reinforcement of earthen sites accords with the principle of the heritage sites protection by adopting the PS series of grout material and the bamboo-steel composite anchor.
通过试验证明，采用PS系列灌浆、南竹加筋复合锚杆加固土遗址符合文物保护的原则。
According to the test, the reinforcement of earthen sites accords with the principle of the heritage sites protection by adopting the PS series of grout material and the bamboo-steel composite anchor.
通过试验证明，采用PS系列灌浆、南竹加筋复合锚杆加固土遗址符合文物保护的原则。
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