Abstract: A CO2 gas-liquid phase transition-based multistage compression energy storage apparatus for converting thermal energy into mechanical energy, including: a gas storage; a liquid storage tank; an energy storage assembly, which includes compressors and energy storage heat exchangers; an energy release assembly (400), which includes energy release heat exchangers and expanders; a heat exchange assembly the energy generated by the energy storage assembly, and the energy release heat exchangers being capable of receiving the energy temporarily stored by the heat exchange assembly; and a driving assembly, which includes an energy input member and a first driving member, the energy input member absorbing external thermal energy to drive the first driving member to work, and the first driving member being used for driving the compressors to work.

Abstract: The present invention provides an RET selective inhibitor and preparation method and use thereof; the present invention provides a compound of formula (1) and a pharmaceutically accepted salt, solvate, polymorph, or tautomer thereof, a composition comprising these compounds, and use of these compounds in the treatment of diseases related to RET.

Abstract: A method for metalizing a polymer substrate and a polymer article prepared thereof. First, a polymer substrate having a base polymer and at least one metal compound dispersed in the base polymer is provided. Then, a surface of the polymer substrate is irradiated with an energy beam such that a water contact angle of the surface of the polymer substrate is at least 120°. The surface of the polymer substrate is then subjected to chemical plating.

Abstract: A method for metalizing a polymer substrate and a polymer article prepared by the method are provided. First, a polymer substrate having a base polymer and at least one metal compound dispersed in the base polymer is provided. Then, a surface of the polymer substrate is irradiated with an energy beam such that a water contact angle of the surface of the polymer substrate is at least 120°. The surface of the polymer substrate is then subjected to chemical plating.

Abstract: A method for metalizing a polymer substrate and a polymer article prepared thereof. First a polymer substrate having a base polymer and at least one metal compound dispersed in the base polymer is provided. A surface of the polymer substrate is then irradiated with an energy beam such that a water contact angle of the surface of the polymer substrate is at least 120°. And then the surface of the polymer substrate is subjected to chemical plating.

Abstract: Disclosed are an apparatus and a method for controlling a urea injection system of a diesel engine. The apparatus (200) comprises: an operation condition parameter acquiring module (201), a control quantity determining module (202) and a drive signal determining module (203), wherein the operation condition parameter acquiring module (201) is configured to acquire operation condition parameters related to the urea injection system, the control quantity determining module (202) is configured to determine a control quantity for controlling the urea injection system based on the operation condition parameters, a target value of urea pressure in a urea buffer chamber (107) and a control model designed based on a physical model of the urea injection system, and the drive signal determining module (203) is configured to determine a drive signal for a urea pump (103) drive motor (106) according to the determined control quantity.

Abstract: A method for metalizing a polymer substrate and a polymer article prepared thereof. First, a polymer substrate having a base polymer and at least one metal compound dispersed in the base polymer is provided. Then, a surface of the polymer substrate is irradiated with an energy beam such that a water contact angle of the surface of the polymer substrate is at least 120°. The surface of the polymer substrate is then subjected to chemical plating.

Abstract: A method for metalizing a polymer substrate and a polymer article prepared by the method are provided. First, a polymer substrate having a base polymer and at least one metal compound dispersed in the base polymer is provided. Then, a surface of the polymer substrate is irradiated with an energy beam such that a water contact angle of the surface of the polymer substrate is at least 120°. The surface of the polymer substrate is then subjected to chemical plating.

Abstract: A method for metalizing a polymer substrate and a polymer article prepared thereof. First a polymer substrate having a base polymer and at least one metal compound dispersed in the base polymer is provided. A surface of the polymer substrate is then irradiated with an energy beam such that a water contact angle of the surface of the polymer substrate is at least 120°. And then the surface of the polymer substrate is subjected to chemical plating.

Abstract: A film and a method for preparing the film are provided. A substrate is provided, and a film is formed on at least a part of a surface of the substrate by magnetron sputtering a target under a protective gas and a reactive gas. The target includes polytetrafluoroethylene and magnesium fluoride, and the reactive gas includes at least one selected from a group consisting of CF4 and SiF4.

Abstract: Disclosed are an apparatus and a method for controlling a urea injection system of a diesel engine. The apparatus (200) comprises: an operation condition parameter acquiring module (201), a control quantity determining module (202) and a drive signal determining module (203), wherein the operation condition parameter acquiring module (201) is configured to acquire operation condition parameters related to the urea injection system, the control quantity determining module (202) is configured to determine a control quantity for controlling the urea injection system based on the operation condition parameters, a target value of urea pressure in a urea buffer chamber (107) and a control model designed based on a physical model of the urea injection system, and the drive signal determining module (203) is configured to determine a drive signal for a urea pump (103) drive motor (106) according to the determined control quantity.