baoyu135国产精品免费_成人精品视频一级毛片_亚洲中字无码A∨电影在线观看_国产免费高潮白浆二区三区_免费视频在线观看高清无码_精品无码久久国产2024_亚洲AV无码专区牛牛影院_精品第一国产综合精品aⅴ_午夜大片爽爽爽免费影院_日本在线高清视频

Violet tungsten oxide powder may be used for preparing thermal insulation dispersion liquid. And violet tungsten oxide can be produced by hydrogen reduction using APT as a raw material under wet hydrogen conditions. Some scholars have studied the preparation process and found that the main factors affecting the particle size of violet tungsten oxide include the particle size of APT, the thickness of the layer, and the partial pressure ratio of water vapor to hydrogen. The specific impacts are shown…

Violet tungsten oxide powder may be applied to manufacture near infrared shielding material. And the heat insulating film material prepared by violet tungsten oxide has transparent appearance, which does not affect the daylighting and has better heat insulation effect than many other thermal insulation films on the market. Violet tungsten oxide can be prepared by using APT as a raw material. It is generally reduced under wet hydrogen conditions directly. The process is short and the equipment is simple. Studies…

Violet tungsten oxide powder for manufacturing infrared thermal insulation nano material can be prepared by APT wet hydrogen direct reduction method. The specific processes are: A certain amount of APT is loaded into the boat and pushed into the high temperature zone of the reduction furnace. At the same time, a certain proportion of H2 and steam mixed gas is fed, heated to the specified temperature and cooled for a suitable time, then cooled, cooled to room temperature, and heated,…

Violet tungsten oxide powder may be applied for manufacturing infrared ultraviolet shielding material In recent years, as a new material, ultrafine particles have become more and more widely. Ultrafine tungsten powder or tungsten carbide powder has also received great attention as a raw material for the production of ultrafine grained tungsten carbide. Therefore, a large amount of research has been conducted on the production of ultrafine tungsten powder or tungsten carbide powder at home and abroad. At present, the preparation…

Violet tungsten oxide powder may be applied for manufacturing transparent thermal insulation material, which is widely applied in building window glass and car window glass. Therefore, the quality of violet tungsten oxide powder should be controlled strictly, which can be detected by colorimetric method. Colorimetric method is a relatively straightforward and effective way to detect the quality of violet tungsten oxide, saving time and money. The color of violet tungsten oxide reflects its quality, and thus its quality can be…

Violet tungsten oxide powder may be used to produce transparent thermal insulation nanopowder, and to prepare WC powder and W powder, so that the quality detection of violet tungsten oxide is particularly important. The following is a method for directly controlling and detecting the quality of violet tungsten oxide – colorimetric method. The colorimetric method uses several colors of violet tungsten oxide to make several types of violet tungsten oxide standards, by comparing their colors to determine quality. For the…

Nano violet tungsten oxide for producing heat insulating window glass can be used to prepare tungsten powder and tungsten carbide powder. The violet tungsten oxide will directly affect the production and quality of W powder and WC powder. Therefore, how to judge the quality of violet tungsten oxide is the research concern of producers. And it is also the concern that must be mastered by users. The detection of the original violet tungsten oxide is consistent with the yellow tungsten…

Nano violet tungsten oxide for producing window heat insulation film can be prepared by using APT as raw material in a rotary furnace under the conditions of wet hydrogen and high temperature. Some scholars have analyzed various parameters affecting the quality of violet tungsten oxide, and improved the rotary furnace, and successfully realized the continuous industrial production of violet tungsten oxide. The obtained violet tungsten oxide is fine and uniform with stable quality. The scholar found that: 1. Using the…

Nano violet tungsten oxide applying in thermal insulating glass is prepared by a light reduction method in an industrial rotary furnace (the raw material is APT). In order to realize the continuous industrial production of violet tungsten oxide with fine and uniform particle, and stable quality, scholars, after long-term production test and research, have found that the production of nano grain size violet tungsten oxide by rotary kiln should meet the following conditions: 1. The furnace tube has a certain…

Nano violet tungsten oxide for producing thermal insulation coating has a blue violet or violet red appearance. As can be seen from the image below, the appearance of the violet tungsten oxide powder maintains the appearance characteristics of the raw material APT. And the micro-morphology of violet tungsten oxide powder is different from other tungsten oxides, which are fine needle-like or rod-like crystals, forming arch bridges with each other. And the particle distribution is loose. The main components and physical…