Abstract: In a vehicle seat storage assisting apparatus, a folded second rear seat can be rotated to a front side and a rear side about seat rotating shaft members provided at both side portions thereof. A rearward and forward biasing springs are provided between the seat rotating shaft members and floor support brackets respectively. The biasing force of the rearward biasing spring gradually decreases as the second rear seat which is being in a horizontal state A forward of the seat rotating shaft members rotates from the horizontal state A to a vertical state B. The biasing force of the forward biasing spring gradually decreases as the second rear seat which is being in a horizontal state C rearward of the seat rotating shafts rotates from the horizontal state C to the vertical state B.

Abstract: In a vehicle seat storage assisting apparatus, a folded second rear seat can be rotated to a front side and a rear side about seat rotating shaft members provided at both side portions thereof. A rearward and forward biasing springs are provided between the seat rotating shaft members and floor support brackets respectively. The biasing force of the rearward biasing spring gradually decreases as the second rear seat which is being in a horizontal state A forward of the seat rotating shaft members rotates from the horizontal state A to a vertical state B. The biasing force of the forward biasing spring gradually decreases as the second rear seat which is being in a horizontal state C rearward of the seat rotating shafts rotates from the horizontal state C to the vertical state B.

Abstract: The invention relates to a method for producing a foreign polypeptide comprising secreting the foreign polypeptide into an intercellular fluid of a plant and recovering the polypeptide therefrom; and to a promoter DNA for use in the method which is capable of directing the expression of the foreign polypeptide that is to be secreted. The method is extremely useful industrially, since the method enables to produce a foreign polypeptide in a plant xylem sap with high efficiency.

Abstract: A digital data encode system for inserting water mark data into digital data signals having a series of field data by use of a water mark data inserting device, the digital data encode system has a field judging unit dividing the digital data signals by a predetermined reference, a water mark data selection output unit for selecting proper one of a plurality of different water mark data prepared correspondingly to the division according to the judgment result of the field judging unit, and a water mark data inserting device for inserting the water mark data supplied from the water mark data selection output unit into the digital data signals.

Abstract: An apparatus for the purification of exhaust gases, which comprises a first reaction purifier having one or a plurality of undulating conduits with first spray nozzles therein for injecting an alkaline solution to react with said exhaust gases, a second serially disposed reaction purifier having a plurality of spaced apart, parallel glass fiber mats with second spray nozzles for jetting a liquid chemical therein thereby further treating the gases leaving said first reaction purifier and separate exhaust ports for removing liquid from each of said reaction purifiers.

Abstract: A method for purification of exhaust gases, which consists of a first purification process comprising making a liquid alkaline chemical react on the exhaust gas thereby to recover nitrogen oxides contained in said exhaust gas as a precipitate together with said liquid chemical and a second purification process comprising passing said exhaust gas which has undergone the first purification process through a glass-fiber mat thereby to convert said glass-fiber mat into an electrode, making the noxious components of the exhaust gas remaining after the first purification process adhere to said electrode and, at the same time, jetting a liquid chemical capable of generating oxygen subject to thermal cracking into the exhaust gas thereby to increase the oxygen content of the exhaust gas, and an apparatus suitable for use in practicing said method.