453 篇
159 篇
15081 篇
727 篇
259 篇
78 篇
435 篇
32 篇
2035 篇
753 篇
47 篇
153 篇
493 篇
97 篇
61 篇
104 篇
51 篇
307 篇
183 篇
65 篇
[金属制品业,金融业] [2024-10-29]
Platinum is a chemical element with the atomic number 78 and the symbol Pt. It is a dense, precious, ductile, malleable, highly unreactive, silverish-white transition metal. Platinum is utilized extensively for making jewelry. Its major usage, however, is in catalytic converters used in trucks, cars, and buses. Platinum is very effective and efficient at converting emissions from the vehicles engine into less harmful waste products. In addition, platinum is utilized in the chemical industry as a catalyst for the manufacturing of silicone, nitric acid, and benzene.
[金属制品业,有色金属冶炼和压延加工业] [2024-10-28]
Metal additive manufacturing is the process of manufacturing metal components by laying down layers of metal-based materials based on the shape of the object. Additive manufacturing or 3D printing is a process of making 3D parts by successively laying down layers of materials. Each of these layers is a thinly sliced horizontal cross-section of the final object. The structures and shapes of the objects or components are created with the help of a digital format. The current report discusses metal additive manufacturing equipment and devices.
[金属制品业,有色金属冶炼和压延加工业] [2024-09-30]
Aluminum is much lighter than steel and has numerous advantages over other materials, such as flexibility, the automotive sector's largest segment is increasingly focusing on using aluminum rather than steel and iron to produce components and parts using die-casting machinery.
[金属制品业] [2024-06-05]
The SOFC is a high-efficiency renewable energy technology that creates electricity through the chemical reaction of hydrogen and oxygen. SOFCs reduce pollutants from methane gas emissions while capturing biogas for fuel substitution, energy generation, and revenue generation. • A SOFC is economically viable due to its steam-performing catalyst and innovative internal recycling design. It also has higher temperature ratings and efficiency, making it ideal for hybrid power and power production applications, emitting fewer pollutants such as NOx, SOx, CO, and particulate matter.
[有色金属冶炼和压延加工业,金属制品业] [2024-03-28]
Tungsten is one of the toughest metals found in nature and exhibits unique properties. Pure tungsten is silver-colored and has a high melting point. It offers high density and resists fracture and high temperatures. It is primarily extracted from wolframite and scheelite.
[金属制品业,有色金属冶炼和压延加工业] [2024-01-26]
Titanium mill products refer to a range of titanium materials that are manufactured through various milling processes. Titanium is a lightweight and highly corrosion-resistant metal that possesses excellent strength-to-weight ratio and heat resistance, making it an ideal material for a wide range of applications in various industries such as aerospace, automotive, medical, and chemical processing. Moreover, titanium mill products include titanium bars, titanium plates, titanium sheets, titanium tubes, and titanium forgings. These products are typically produced by machining titanium ingots or billets using milling machines, which remove excess material and give the desired shape and size to the final product.
[金属制品业] [2024-01-25]
Aluminum powder is manufactured by fine-grinding aluminum metal or by converting pure molten aluminum metal into fine droplets under a compressed gas jet environment. Aluminum flakes are derived from aluminum powder by the dry ball milling process. Aluminum paste is a type of metallic pigment which is similar to other tinting pigments. It is made from aluminum powder or flakes, petroleum solvent, and lubricant.
[金属制品业,有色金属冶炼和压延加工业] [2023-12-30]
Aluminum nitride is a white to pale yellow powder that is 8-10 times more thermally conductive than alumina. Aluminum nitride is a strategic ceramic material that possesses a unique combination of high thermal conductivity and remarkable insulation properties.
[有色金属冶炼和压延加工业,金属制品业] [2023-11-30]
The equipment described in this report are primarily defined by its title since the title is generally long and includes most of the criteria used to differentiate the equipment from other similar equipment. The equipment descriptions are sourced from the U.S. Census. Additionally descriptions can be collected from the manufacturing industry descriptions that each equipment is categorized. The U.S. Census manufacturing industry descriptions for equipment are listed below
[金属制品业,有色金属冶炼和压延加工业] [2023-10-01]
The equipment described in this report are primarily defined by its title since the title is generally long and includes most of the criteria used to differentiate the equipment from other similar equipment. The equipment descriptions are sourced from the U.S. Census. Additionally descriptions can be collected from the manufacturing industry descriptions that each equipment is categorized. The U.S. Census manufacturing industry descriptions for equipment are listed below