Abstract: A shading device includes a retractable and deployable shading curtain that includes at least one shading layer and has a first longitudinal side and a second longitudinal side opposite to the first longitudinal side; a drawing device configured to deploy the shading curtain; and a first guide rail having a groove configured to receive and guide the first longitudinal side of the shading curtain. A deployed section of the first longitudinal side of the shading curtain is at least partially received in the groove when the shading curtain is in a partially or finally deployed state. The first longitudinal side has support members, by way of which the first longitudinal side is receivable and guidable in the groove.

Abstract: A shading device includes a shading curtain and a drawing device. The shading curtain includes a first and second shading layer that have at least two types of light transmission areas with different light transmission properties. The drawing device includes a first and second drawing member. The first drawing member is connected with the first shading layer and is configured to draw the first shading layer. The second drawing member is connected with the second shading layer and is configured to draw the second shading layer. The first and second drawing members are movable relative to each other between a first relative position and a second relative position. The first and the second shading layers parallelly move relative to each other. In the first relative position, the shading curtain has a first light transmission property, and in the second relative position, the shading curtain has a second light transmission property.

Abstract: This invention discloses a novel compound with the structure of formula I, or pharmaceutically acceptable salts or solvates thereof. In addition, the invention further discloses a method for preparing the compound, a pharmaceutical composition containing the compound, and use thereof in the preparation of a hypoglycemic medicament.

Abstract: This invention discloses a novel compound with the structure of formula I, or pharmaceutically acceptable salts or solvates thereof. In addition, the invention further discloses a method for preparing the compound, a pharmaceutical composition containing the compound, and use thereof in the preparation of a hypoglycemic medicament.