2023年5月15日 · In this paper, the enhanced sensitivity and selectivity between LPG, NO 2, and NH 3 by novel CoFe 2 O 4 /SiC/BaTiO 3 (CFO/SiC/BTO) ternary nanocomposites synthesized by chemical coprecipitation and solid-state methods have been reported. The structural and morphological properties of nanocomposites were analysed …

采用SiC粉作为生长原料，生长时环境中Si:C更接近1:1，生长晶体纯度更高，可以对生长晶体进行有效的掺杂，掺杂浓度可以达到1018-1019/cm3。 由于采用多孔石墨结构将生长原料与生长晶体分开，其生长的单晶质量与晶体直径有了很大提高。 但是由于生长晶体在中心空心区域内随机出现，其生长晶体尺寸也是呈现随机大小，且很难进一步继续扩大。 1978年，前苏联科学家Tairov和Tsvetkov首次将籽晶引入到SiC晶体生长过程中，这种新生长方法被称为“改进Lely法” …

In this paper, the enhanced sensitivity and selectivity between LPG, NO (CFO/SiC/BTO) ternary nanocomposites synthesized by chemical coprecipitation and solid-state methods have been reported. The structural and morphological properties of nanocomposites were analysed using XRD, SEM and EDS respectively.

2021年1月1日 · Liquefied petroleum gas (LPG) is a flammable gas and it is consisting of propane, butane, and a small number of other hydrocarbons. LPG is primarily a by-product of natural gas and is extract artificially from crude oil.

2016年1月15日 · The combustion zone consists of SiC matrix with 90% porosity, and the preheating zone is made of 3.0 mm diameter alumina balls. In the numerical study, for the 1-D planar geometry of the burner, the gas and the solid-phase energy equations, continuity equation, species conservation equation and ideal gas equation are simultaneously solved using ...

In this paper, the enhanced sensitivity and selectivity between LPG, NO2, and NH3 by novel CoFe2O4/SiC/BaTiO3 (CFO/SiC/BTO) ternary nanocomposites synthesized by chemical coprecipitation and solid-state methods have been reported. The structural and morphological properties of nanocomposites were analysed using XRD, SEM and EDS respectively.

Establishments primarily engaged in the retail sale of bottled or bulk liquefied petroleum (LP) gas. Get detailed industry descriptions using SIC codes to understand the nature and scope of various business sectors.

2022年7月25日 · 高温溶液生长 (high temperature solution growth, HTSG)法生长SiC单晶具有晶体结晶质量高、易扩径、易实现p型掺杂等独特的优势,有望成为大规模量产SiC单晶的主要方法之一,目前该方法的主流技术模式是顶部籽晶溶液生长 (top seeded solution growth, TSSG)法。...

lpg 方法能够提供由一层到数百层组成的石墨烯薄膜，具体取决于加热温度。我们的方法不仅可以提供一种在 sic 上原生形成石墨烯的替代方法，而且还将为石墨烯的工业应用带来技术突破，例如

液相法碳化硅 晶体生长技术 是一种在高温下利用化学反应生长 碳化硅晶体 的方法。 该方法常用于制备高质量的碳化硅单晶片，被广泛应用于半导体、光电子、电力电子等领域。 碳化硅液相生长法的原理是：首先将碳化硅粉末和碳粉末混合，然后在高温下使其熔融成碳化硅液体。 随后，在钨或 石墨 等原料上引入蒸汽相源气体，如氢气、甲烷等，在该原料表面形成薄膜层，其中包含了生长碳化硅晶体所需的反应物质。 通过对反应体系温度、压力、气氛和反应时间等参数的控制，使 …