Abstract: An integrated motor and drive assembly is disclosed and includes a housing, a motor and a drive. The housing includes a motor-accommodation portion and a drive-accommodation portion. The drive includes a power board and a control board. The power board is made of a high thermal conductivity substrate and includes a power element and an encoder disposed on the first side, the first side faces the motor, the power board and the motor are stacked along a first direction, and the second side contacts the housing to from a heat-dissipating route. The control board is disposed adjacent to the power board. The control board and the power board are arranged along a second direction perpendicular to the first direction, and the first direction is parallel to an axial direction of the motor. A part of the power board and a part of the control board are directly contacted to form an electrical connection.

Abstract: A pharmaceutical composition containing a mixed polymeric micelle and a drug enclosed in the micelle, in which the mixed polymeric micelle, 1 to 1000 nm in size, includes an amphiphilic block copolymer and a lipopolymer. Also disclosed are preparation of the pharmaceutical composition and use thereof for treating cancer.

Abstract: A golf club head for an iron includes a back part, a striking plate covering the back part, and a fixing unit to join the striking plate and the back part. The fixing unit has a looped groove provided between the striking plate and the back part, and a welding material interconnecting the striking plate and the back part and filled in the looped groove.