Abstract: A nickel powder exhibits superior oxidation behavior, reduction behavior and sintering behavior in a production process for a multilayer ceramic capacitor and is suitable for the capacitor; a production method therefor is also provided. The nickel powder, which may be used as a raw material, is treated with a sulfur-containing compound, and the sulfur-containing compound is coated on the surface thereof, or alternatively, a nickel-sulfur compound layer is formed on the surface thereof.

Abstract: A transparent fuel tank for a motorcycle in which the state of wiring and piping under the fuel tank can be inspected. The transparent fuel tank is formed of transparent resin so that piping and wiring under the fuel tank can be visually inspected including during rotation of the transparent fuel tank between a normal position and a maintenance position.

Abstract: A nickel powder exhibits superior oxidation behavior, reduction behavior and sintering behavior in a production process for a multilayer ceramic capacitor and is suitable for the capacitor; a production method therefor is also provided. The nickel powder, which may be used as a raw material, is treated with a sulfur-containing compound, and the sulfur-containing compound is coated on the surface thereof, or alternatively, a nickel-sulfur compound layer is formed on the surface thereof.

Abstract: A metallic nickel powder exhibits superior oxidation behavior and sintering behavior in a process for production of a multilayer ceramic capacitor, and as a result, can prevent delamination, a process for production of the metallic powder is provided. The metallic nickel powder is treated with a carbonic acid water solution. The metallic nickel powder has an average particle diameter of not more than 1.0 ?m, oxygen content in a range of from 0.3 to 2.0 wt %, and oxide layer having a thickness in a range of from 2 to 10 nm over the entire surface. In the process for production of the metallic nickel powder, the powder is treated with a carbonic acid water solution and is heated in an oxidizing atmosphere.

Abstract: A transparent fuel tank for a motorcycle in which the state of wiring and piping under the fuel tank can be inspected. The transparent fuel tank is formed of transparent resin so that piping and wiring under the fuel tank can be visually inspected including during rotation of the transparent fuel tank between a normal position and a maintenance position.

Abstract: A metallic nickel powder exhibits superior oxidation behavior and sintering behavior in a process for production of a multilayer ceramic capacitor, and as a result, can prevent delamination, a process for production of the metallic powder is provided. The metallic nickel powder is treated with a carbonic acid water solution. The metallic nickel powder has an average particle diameter of not more than 1.0 ?m, oxygen content in a range of from 0.3 to 2.0 wt %, and oxide layer having a thickness in a range of from 2 to 10 nm over the entire surface. In the process for production of the metallic nickel powder, the powder is treated with a carbonic acid water solution and is heated in an oxidizing atmosphere.

Abstract: Metal chloride vapor and reducing gas are brought into contact to form metallic powder, the metallic powder is washed in carbonic acid aqueous solution, and the metallic powder is classified in a liquid phase. In this way, metallic powder, such as nickel powder, in which the content of chloride components is extremely small and the coarse particle content is small, can be efficiently produced.

Abstract: Metal chloride vapor and reducing gas are brought into contact to form metallic powder, the metallic powder is washed in carbonic acid aqueous solution, and the metallic powder is classified in a liquid phase. In this way, metallic powder, such as nickel powder, in which the content of chloride components is extremely small and the coarse particle content is small, can be efficiently produced.