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

Tungsten carbide scraper is an important part of mask machine to fabricate surgical masks, N95 masks and other protective masks. Such a high-precision scraper can effectively clean the scraps generated by the mask machine during cutting process without polluting the environment. More details, please visit: http://www.tungsten-carbide.com.cn/tungsten-carbide-blade-bar.html It has been reported that tungsten carbide has good process properties, such as forging performance, heat treatment performance, high temperature plastic deformation performance, and grinding processing performance, etc. So, it is suitable for the…

Tungsten carbide cutting blade for applying to face mask machine is made of high-performance tungsten carbide material. Such a blades is sharp, wear-resistant, heat-resistant, corrosion-resistant and not easy to deform without edges and burrs. Also, it has high toughness. And the cut masks are flat and uniform with beautiful appearance. More details, please visit: http://www.tungsten-carbide.com.cn/tungsten-carbide-blade-bar.html Tungsten is a very hard metal that is often brittle and hard to work with. When used alone, tungsten is vulnerable to scratch and damage.…

Tungsten carbide blade is widely applied in mask machine such as cup mask machine, non-woven flat mask machine, N95 mask machine, 3M9001/ 9002 folding mask machine, duckbill mask machine, and stereo dust mask machine, etc. More details, please visit: http://www.tungsten-carbide.com.cn/tungsten-carbide-blade-bar.html Tungsten carbide blade for mask machine is divided into tungsten carbide scraper, tungsten carbide cutter, and so on. These blades are made of high-quality tungsten carbide materials. And these blades are sharp, durable and long-lasting with high cutting or scraping…

Tungsten alloy radiation shielding door has high performance in corrosion resistance, density, machinability and radiation shielding so that it is mainly applied to X-ray room in medical industry. You know, it is important to reduce avoidable radiation exposure of health care workers and patients at X-ray room in hospitals. More details, please visit: http://www.tungsten-alloy.com/tungsten-alloy-radiation-shielding.html For this purpose, teaching tools that can explain basics of radiation protection is useful. The experts have proposed a new teaching tool for radiation protection at…

Tungsten alloy collimator has high density and excellent X-ray absorption ability so that it can be used in X ray detector, thereby absorbing scattered radiation and exerting precise alignment performance for obtaining high-resolution images. More details, please visit: http://www.tungsten-alloy.com/tungsten-alloy-radiation-shielding.html According to the experts, in pre-molecular imaging, a collimator is used to direct radiation emitted by the subject onto a X ray detector, and to minimize the number of stray photons. Traditionally, tungsten has been used to make pinhole collimators. With…

Yellow tungsten oxide titanium dioxide composite catalyst is a new type of non-toxic photocatalyst of high efficiency, which can be prepared into powder coating or other styles of green materials, for applications in decontamination and purification of various environments. Well, how to prepare tungsten oxide titanium dioxide composite catalyst? More details, please visit: http://tungsten-oxide.com/index.html A Preparation Method of Yellow Tungsten Oxide Titanium Dioxide Composite Catalyst Step One: Add tetrabutyl titanate to the mixed solution of absolute ethanol and glacial acetic…

When it comes to the phenomenon of electrochromism, many people think of yellow tungsten oxide film (WO3 film) – an earliest and most studied inorganic electrochromic film material. Well, do you know what the electrochromic mechanism of crystalline WO3 film is? And what is the electrochromic mechanism of amorphous WO3 film? More details, please visit: http://tungsten-oxide.com/index.html Some experts have studied the coloring process of amorphous and crystalline yellow tungsten oxide film films under different voltages through ellipsometry, and explained the…

Yellow tungsten oxide nanorods for application in electrochromic film are WO3 nanorods that can be synthesized by solvothermal method. For example, some experts have synthesized monodisperse tungsten oxide nanorods by solvothermal method. Wherein, the experts prepared tungsten oxide nanorods of different size by adjusting the concentration of oleylamine in the precursor, and the size of the nanorods increased from 38nm x 3.2nm to 89nm x 4.5nm. Then, the WO3 nanorods electrochromic film was constructed by heat treatment at a certain…

It is reported that some experts have prepared yellow tungsten oxide nanofibers (WO3 nanofibers) via electrostatic spinning with an average diameter of about 200nm. Wherein, WO3 nanofibers consist of a large amount of tungsten trioxide nano particles. These experts also studied the gas sensitivity characteristics of WO3 nanofibers-based gas sensors to H2S. More details, please visit: http://tungsten-oxide.com/index.html The results showed that when the working temperature is 150 °C, the sensor’s response to H2S gas with a volume fraction of 2…

Yellow tungsten oxide, or tungsten trioxide or WO3, is often applied to NOx gas sensor in form of a thin film. For example, some experts have deposited WO3 thin films by reactive RF sputtering onto low-cost glass substrates as gas sensitive coating. More details, please visit: http://tungsten-oxide.com/index.html And the experts have investigated the properties of the grown films by X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), secondary ion mass spectrometry (SIMS) in order to characterize their structure, composition, surface chemistry.…