Abstract: The present invention provides a keratin BD-3, a nucleic acid molecule encoding same, an expression vector, a host cell, a preparation method therefor, and a pharmaceutical composition contained the keratin BD-3. The keratin BD-3 can be used in the preparation of medicament for antipyretic, analgesic, antitussive, expectorant, anticonvulsant, antiepileptic, anti-hypertension, anti-inflammatory, and antiviral.

Abstract: Provided is a flange (100) connected to an end of an insulating tube (10), the flange includes a flange plate (110) abutting the end of the insulating tube, a groove (111) recessed toward inside of the insulating tube is disposed on the flange plate, the groove is connected to the insulating tube, an inflation valve (120) is disposed within the groove, the groove is filled with sealing material (130) which covers the inflation valve. Provided are also insulator and insulated support post using the flange. The flange, the insulator and insulated support post help to protect the inflation valve from external force and the groove is filled with the sealing material to ensure the sealing performance of the flange.

Abstract: A method for synthesizing sucrose-6-ester includes: (a) in the presence of a polar aprotic solvent, contacting an organic phosphine compound represented by formula I with sucrose and an organic tin compound; (b) removing water to obtain a reaction liquid containing a tin-sucrose adduct; and (c) contacting the reaction liquid containing the tin-sucrose adduct with an acid anhydride compound to prepare a sucrose-6-ester. In formula I, R1, R2, and R3 each are a linear or branched alkyl having 1 to 20 carbon atoms, a cycloalkyl having 3 to 10 carbon atoms, or an aryl having 6 to 10 carbon atoms; moreover, the R1, R2, and R3 are identical groups, partially identical groups, or different groups from each other. According to the method, the reaction conversion rate and selectivity are greatly improved; moreover, it is easy to realize industrial application.

Abstract: A method for synthesizing sucrose-6-ester includes: (a) in the presence of a polar aprotic solvent, contacting an organic phosphine compound represented by formula I with sucrose and an organic tin compound; (b) removing water to obtain a reaction liquid containing a tin-sucrose adduct; and (c) contacting the reaction liquid containing the tin-sucrose adduct with an acid anhydride compound to prepare a sucrose-6-ester. In formula I, R1, R2, and R3 each are a linear or branched alkyl having 1 to 20 carbon atoms, a cycloalkyl having 3 to 10 carbon atoms, or an aryl having 6 to 10 carbon atoms; moreover, the R1, R2, and R3 are identical groups, partially identical groups, or different groups from each other. According to the method, the reaction conversion rate and selectivity are greatly improved; moreover, it is easy to realize industrial application.

Abstract: A swinging decorative attachment comprising a base having at least one rack and one boring allowing airflow through the base; two swinging means, both having a wheel-shaped connector on the first end of said swinging means, connecting with the edge of said base, forming a wheel gear respectively, to which two wheel gears connect each other; a fan module attached on that base; at least one gear module connecting to an axle of said fan module; and a subordinate module connecting said gear module and the second end of one said swinging mean, making said two swinging means pushed and turned mutually, forming open-closed swinging motions. In addition, fragrant materials can be used inside said base. The airflow will bring out the fragrance from said base through said bore, and to spread the fragrance among the room.

Abstract: A swinging decorative attachment comprising a base having at least one rack and one boring allowing airflow through the base; two swinging means, both having a wheel-shaped connector on the first end of said swinging means, connecting with the edge of said base, forming a wheel gear respectively, to which two wheel gears connect each other; a fan module attached on that base; at least one gear module connecting to an axle of said fan module; and a subordinate module connecting said gear module and the second end of one said swinging mean, making said two swinging means pushed and turned mutually, forming open-closed swinging motions. In addition, fragrant materials can be used inside said base. The airflow will bring out the fragrance from said base through said bore, and to spread the fragrance among the room.