Abstract: The invention relates to ruxolitinib crystal and a pharmaceutical composition thereof. In particular, the invention provides ruxolitinib dihydrate crystal and a preparation method thereof, and ruxolitinib free base in amorphous form and a preparation method thereof, and a pharmaceutical composition comprising ruxolitinib dihydrate crystal or ruxolitinib free base in amorphous form. The crystal, amorphous form and pharmaceutical composition of the invention have simple preparation method, high product yield, and excellent crystal stability, hygroscopicity and processability, and thus are suitable for industrial production.

Abstract: The present disclosure provides a lithium-rich negative electrode plate, an electrode assembly and a lithium-ion battery, the lithium-rich negative electrode plate comprises a negative electrode collector and a negative electrode film, the negative electrode film is provided on a surface of the negative electrode collector and comprises a negative electrode active material, the lithium-rich negative electrode plate further comprises a layer of lithium metal provided on a surface of the negative electrode film. The negative electrode film further comprises a cyclic ester which is capable of forming a film on the negative electrode plate, a dielectric constant of the cyclic ester is larger than or equal to 10, and a reduction potential of the cyclic ester relative to Li/Li+ is lower than or equal to 1.5V.

Abstract: The present application relates to a positive electrode lithium replenishment material, and a preparation method thereof. The positive electrode lithium replenishment material, includes a first lithium-containing compound selected from one or more of compounds whose chemical formula is denoted by Formula I, LixAy, 0<x, y?3. An outer layer of the positive electrode lithium replenishment material includes a second lithium-containing compound. An activity of reacting with water by the second lithium-containing compound is lower than that by the first lithium-containing compound.

Abstract: The present disclosure provides a transfer plate pretreatment device and method, as well as a transfer device and a plate-hanging method. The transfer plate pretreatment device comprises: a driving roller, which comprises a heating layer configured to heat a transfer plate deployed on the driving roller; and a pressing roller, which is configured to press the transfer plate to improve wettability of the transfer plate.

Abstract: The present disclosure provides a cleaning device and a cleaning method implemented by the cleaning device. The cleaning device is used for cleaning a water supply pipe, and comprises: a cleaning unit, which is at least partially provided inside the water supply pipe; a control unit, which is connected to the cleaning unit, for detecting whether volume of a foreign body left on an inner wall of the water supply pipe exceeds a preset volume, when it is determined that the volume of the foreign body left on the inner wall of the water supply pipe exceeds the preset volume, controlling the cleaning unit to clean the water supply pipe so as to remove the foreign body on the inner wall of the water supply pipe. In this disclosure, foreign bodies left on the inner wall of the pipe can be removed automatically, thus normal water supply can be ensured.

Abstract: The disclosure provides a transfer plate pre-processing device. The transfer plate comprises first and second surfaces, and recesses in an array are arranged on the first surface. The transfer plate pre-processing device comprises: a cylinder having a bearing surface that can be attached to the second surface of the transfer plate and to support the transfer plate; and a pressurization structure having a pressurizing surface. The cylinder can roll along the pressurizing surface, and when the cylinder is rolling, the first surface of the transfer plate is brought into contact with and pressed against pressurizing surface. Accordingly, the disclosure also provides a transfer plate pre-processing method and an alignment film preparation system. According the disclosure, the wettability of the transfer plate can be improved.

Abstract: The present disclosure provides a lithium-rich negative electrode plate, an electrode assembly and a lithium-ion battery, the lithium-rich negative electrode plate comprises a negative electrode collector and a negative electrode film, the negative electrode film is provided on a surface of the negative electrode collector and comprises a negative electrode active material, the lithium-rich negative electrode plate further comprises a layer of lithium metal provided on a surface of the negative electrode film. The negative electrode film further comprises a cyclic ester which is capable of forming a film on the negative electrode plate, a dielectric constant of the cyclic ester is larger than or equal to 10, and a reduction potential of the cyclic ester relative to Li/Li+ is lower than or equal to 1.5V.

Abstract: The present disclosure provides a transfer plate pretreatment device and method, as well as a transfer device and a plate-hanging method. The transfer plate pretreatment device comprises: a driving roller, which comprises a heating layer configured to heat a transfer plate deployed on the driving roller; and a pressing roller, which is configured to press the transfer plate to improve wettability of the transfer plate.

Abstract: The present disclosure provides a transfer plate. The transfer plate includes a base film, and a dot array arranged on the base film and consisting of a plurality of dots. The base film includes an active region corresponding to a display region and a non-active region surrounding the active region. The dot array at the active region is of a first dot angle, and the dot array at the non-active region is of a second dot angle less than the first dot angle.

Abstract: The disclosure provides a transfer plate pre-processing device. The transfer plate comprises first and second surfaces, and recesses in an array are arranged on the first surface. The transfer plate pre-processing device comprises: a cylinder having a bearing surface that can be attached to the second surface of the transfer plate and to support the transfer plate; and a pressurization structure having a pressurizing surface. The cylinder can roll along the pressurizing surface, and when the cylinder is rolling, the first surface of the transfer plate is brought into contact with and pressed against pressurizing surface. Accordingly, the disclosure also provides a transfer plate pre-processing method and an alignment film preparation system. According the disclosure, the wettability of the transfer plate can be improved.

Abstract: A transfer plate wetting system and an alignment liquid transfer system are provided. The transfer plate wetting system includes a first plate wetting device. The first plate wetting device includes an alignment agent storage tank (7), an alignment agent solvent storage tank (8), a nozzle (10) and a pipeline connector (T) configured for communicating the alignment agent storage tank (7), the alignment agent solvent storage tank (8) and the nozzle (10). The nozzle (10) is configured to spray out alignment liquid including an alignment agent and an alignment agent solvent. The transfer plate wetting system is capable of forming alignment layer with uniform thickness, thus improving display effect of display device.

Abstract: The present disclosure provides a transfer plate. The transfer plate includes a base film, and a dot array arranged on the base film and consisting of a plurality of dots. The base film includes an active region corresponding to a display region and a non-active region surrounding the active region. The dot array at the active region is of a first dot angle, and the dot array at the non-active region is of a second dot angle less than the first dot angle.

Abstract: The present invention provides a cleaning device and a cleaning method implemented by the cleaning device. The cleaning device is used for cleaning a water supply pipe, and comprises: a cleaning unit, which is at least partially provided inside the water supply pipe; a control unit, which is connected to the cleaning unit, for detecting whether volume of a foreign body left on an inner wall of the water supply pipe exceeds a preset volume, when it is determined that the volume of the foreign body left on the inner wall of the water supply pipe exceeds the preset volume, controlling the cleaning unit to clean the water supply pipe so as to remove the foreign body on the inner wall of the water supply pipe. In this invention, foreign bodies left on the inner wall of the pipe can be removed automatically, thus normal water supply can be ensured.