Abstract: A liquid crystal polymer, composition, liquid crystal polymer film, laminated material and method of forming liquid crystal polymer film are provided. The liquid crystal polymer includes a first repeating unit, a second repeating unit, a third repeating unit, a fourth repeating unit, and a fifth repeating unit. The first repeating unit has a structure of Formula (I), the second repeating unit has a structure of Formula (II), the third repeating unit has a structure of Formula (III), the fourth repeating unit has a structure of Formula (IV), and the fifth repeating unit has a structure of Formula (V), a structure of Formula (VI), or a structure of Formula (VII) wherein A1, A2, A3, A4, X1, Z1, R1, R2, R3 and Q are as defined in the specification.

Abstract: A liquid crystal polymer, composition, liquid crystal polymer film, laminated material and method of forming liquid crystal polymer film are provided. The liquid crystal polymer includes a first repeating unit, a second repeating unit, a third repeating unit, and a fourth repeating unit. The first repeating unit has a structure of Formula (I), the second repeating unit has a structure of Formula (II), the third repeating unit has a structure of Formula (III), and the fourth repeating unit has a structure of Formula (IV), a structure of Formula (V) or a structure of Formula (VI) wherein A1, A2, A3, Z1, R1, R2, R3 and Q are as defined in the specification.

Abstract: A fluid measuring instrument carrier structure includes a carrier main body assembled from three axially connected steel pipes. The carrier main body is provided from front to back at predetermined positions with a current meter, a front current-guiding holding-down plate, and a rear current-guiding holding-down plate. The front current-guiding holding-down plate has a gravity-center adjuster connected thereto. By employing the principles of fluid mechanics, the carrier main body with the front and rear current-guiding holding-down plates and the gravity-center adjuster is able to submerge in water and slightly horizontally sway leftward and rightward in water currents to maintain at a stable and balanced state, allowing a user to easily and quickly measure river water depth and current velocity.

Abstract: A fluid-driven mill includes: a supporting unit including a vertical shaft and a plurality of stoppers; and a plurality of vertical plate members, each of which is pivoted to the supporting unit so as to be rotatable relative to the supporting unit about a corresponding rotational axis which is parallel to a central vertical axis defined by the vertical shaft between a pushing position and a release position. The vertical plate members are angularly displaced from each other and are disposed around the central vertical axis. The stoppers are disposed between the vertical shaft and an imaginary cylindrical plane formed by the rotational axes.

Abstract: A fluid measuring instrument carrier structure includes a carrier main body assembled from three axially connected steel pipes. The carrier main body is provided from front to back at predetermined positions with a current meter, a front current-guiding holding-down plate, and a rear current-guiding holding-down plate. The front current-guiding holding-down plate has a gravity-center adjuster connected thereto. By employing the principles of fluid mechanics, the carrier main body with the front and rear current-guiding holding-down plates and the gravity-center adjuster is able to submerge in water and slightly horizontally sway leftward and rightward in water currents to maintain at a stable and balanced state, allowing a user to easily and quickly measure river water depth and current velocity.

Abstract: A hydraulic power transmission system including a stationary inner barrel connected between a hydraulic oil inlet pipe and a hydraulic oil return pipe and having a plurality of openings spaced around the periphery and a plurality of movable blocks moved in and out of the opening, and two outer barrels fixedly connected together with a gasket ring mounted there between and having a respective series of involute arched guide planes space on the inside and raised one behind another, wherein when a hydraulic oil is forced through the hydraulic oil inlet pipe into the inner barrel, it forces the arched movable blocks out of the opening of the inner barrel and flows through the involute arched guide planes of the outer barrel to push the vertical steps between each two arched guide planes, causing the outer barrels to rotate.