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1)  sedimentary overlap
沉积超覆
1.
Early stage sedimentation of basin evolvement during Mesozoic went through an overlapping process from continental to marine facies, sedimentary overlap started from the alluvial/fluvial facies, along with intrusion, eruption and pyroclaistic sedimentation, reflecting a upward deepened transgression sequence, which indicates a rift basin.
藏北羌塘盆地东部地区三叠系巴贡组之上沉积超覆了一套火山岩-火山碎屑岩。
2)  overburden sediment
上覆沉积层
3)  sedimentary mantle
沉积覆盖层
4)  laser clad deposition
激光熔覆沉积
1.
Functional gradient materials of 316L stainless steel to Stellite31 cobalt based super-alloy have been successfully prepared through laser clad deposition with in-situ mixing these two powders and gradually changing their feeding ratio.
采用激光熔覆沉积方法,在送粉时通过原位混合316L不锈钢和Stellite31合金两种粉末并改变两种粉末的比例,直接制备出316L不锈钢-Stellite31梯度功能材料。
5)  chemical deposition coating
化学沉积包覆
1.
Particulate of graphite electrode wastes from an electric-carbon materials factory was formed "core-shell" negative materials by chemical deposition coating with medium pitch.
以大功率石墨电极废品破碎后的微粒为“核”,以中温沥青为包覆原料,经化学沉积包覆形成“核-壳”型锂离子蓄电池负极材料。
6)  carbon-coated
被碳沉积覆复的
补充资料:激光化学气相沉积
分子式:
CAS号:

性质: 利用激光束的光子能量激发和促进化学气相反应的沉积薄膜方法。在光子的作用下,气相中的分子发生分解,原子被激活,在衬底上形成薄膜。这种方法与常规的化学气相沉积(CVD)相比,可以大大降低衬底的温度,防止衬底中杂质分布截面受到破坏,可在不能承受高温的衬底上合成薄膜。与等离子体化学气相沉积方法相比,可以避免高能粒子辐照在薄膜中造成损伤。本方法所用设备是在常规的化学气相沉积设备基础上添加激光器、光路系统及激光功率测量装置。用本方法制备的SiO2及Si3N4薄膜时,衬底温度可低至380℃。

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