Abstract: A link-lever assembly, dual-link-lever fixing assembly and surgical head frame, aims to address the problem that installation and connection of U-shaped head frames and operational tables takes a long time, manufacturing cost of the connection pieces is high and it is not easy to maintain them. The present invention provides a dual-joint link-lever, comprises a first connection ring, a first pressing panel, a second connection ring, a second pressing panel and a connection plate; the first connection ring and the second connection ring are provided to both ends of the connection plate along a longitudinal direction, and axial lines of the first connection ring and the second connection ring are parallel; and upon extrusion the first pressing panel and the second pressing panel are configured to drive diameters of the first annular hole and the second annular hole to be smaller.

Abstract: The disclosure discloses an integrated automatic sea cucumber cooking and soaking system, which belongs to the technical field of sea cucumber processing.

Abstract: The disclosure discloses an integrated automatic sea cucumber cooking and soaking system, which belongs to the technical field of sea cucumber processing.

Abstract: A low-temperature container, low-temperature tank and low-temperature tank truck are provided. The low-temperature container includes a housing and an inner container disposed inside the housing through a support assembly. The support assembly includes two transverse support structures correspondingly disposed between the housing body and inner container body, and two longitudinal support structures respectively disposed between the outer sealing head and the inner sealing head located at ends. An central lines of the two longitudinal support structures and an central axis of the inner container are collinear, or the central lines of the two longitudinal support structures are parallel to the central axis of the inner container, and the longitudinal support structures may extend and retract in the longitudinal direction of the low-temperature container. The low-temperature container of the present disclosure has balanced support points and good heat insulation effect.

Abstract: A low-temperature container, low-temperature tank and low-temperature tank truck are provided. The low-temperature container includes a housing and an inner container disposed inside the housing through a support assembly. The support assembly includes two transverse support structures correspondingly disposed between the housing body and inner container body, and two longitudinal support structures respectively disposed between the outer sealing head and the inner sealing head located at ends. An central lines of the two longitudinal support structures and an central axis of the inner container are collinear, or the central lines of the two longitudinal support structures are parallel to the central axis of the inner container, and the longitudinal support structures may extend and retract in the longitudinal direction of the low-temperature container. The low-temperature container of the present disclosure has balanced support points and good heat insulation effect.

Abstract: The present disclosure relates to polymorphs of 4-[2-dimethylamino-1-(1-hydroxycyclohexyl)ethyl]phenyl 4-methylbenzoate hydrochloride, methods for preparing the same and use of the same.

Abstract: The present disclosure relates to polymorphs of 4-[2-dimethylamino-1-(1-hydroxycyclohexyl)ethyl]phenyl 4-methylbenzoate hydrochloride, methods for preparing the same and use of the same.

Abstract: A method for industrially preparing a nitrogen substituted 6-amino-5,6,7,8-tetrahydronaphthol includes reacting a nitrogen substituted amino-5,6,7,8-tetrahydronaphthol compound of formula (II) with a 2-substituted ethyl sulfonate compound of formula (III) under an alkaline condition and in the presence of a sulfite.

Abstract: The present disclosure relates to polymorphs of 4-[2-dimethylamino-1-(1-hydroxycyclohexyl)ethyl]phenyl 4-methylbenzoate hydrochloride, methods for preparing the same and use of the same.

Abstract: A method for industrially preparing a nitrogen substituted 6-amino-5,6,7,8-tetrahydronaphthol is disclosed. The method comprises includes reacting a nitrogen substituted amino-5,6,7,8-tetrahydronaphthol compound of formula (II) with a 2-substituted ethyl sulfonate compound of formula (III) under an alkaline condition and in the presence of a sulfite.