摘要:
A germicidal, disinfecting and antiseptic composition comprising alkoxy aliphatic amine derivatives of the formula (I) or (II) and an organic or inorganic compound capable of blocking metals. The composition can be used in germicides, disinfectants, cosmetics, domestic sundries and city water, and to remove the microbial pollution and other contamination problems in industrial processes.
摘要:
A piston of an air and water supply valve in an endoscope comprises: a base cylinder; a water supply switching piston; and an air supply switching piston, which is inserted in the water supply switching piston. An air supply button functioning as a check valve is attached to the top end of the air supply switching piston, and air is supplied by slightly pressing the air supply button and water is supplied by deeply pressing the air supply button. If liquid flows back, the air supply button functions as the check valve to prevent the backflow from flowing into the base cylinder from the air supply switching piston.
摘要:
The following diacylglycerin is useful for a cosmetic oil and a cosmetic composition such as pack, cream and emulsion. ##STR1## (where one each of R.sub.1, R.sub.2, and R.sub.3 denotes a residue of a straight-chain saturated fatty acid having 11-17 carbon atoms, a residue of a branched-chain saturated fatty acid having 10-18 carbon atoms, and a hydrogen atom).
摘要:
To provide a multi-layer piezoelectric device having excellent durability in which the amount of displacement does not change even when the piezoelectric actuator is subjected to continuous operation over a long period of time under a high voltage and a high pressure, the multi-layer piezoelectric device comprises a stack formed by stacking piezoelectric layers and internal electrodes alternately one on another and external electrodes formed on a first side face and on a second side face of the stack, wherein one of the adjacent internal electrodes is connected to the external electrode formed on the first side face and the other internal electrode is connected to the external electrode formed on the second side face, while content of alkali metal in a range from 5 ppm to 300 ppm is contained.
摘要:
To provide a multi-layer piezoelectric device having excellent durability in which the amount of displacement does not change even when the piezoelectric actuator is subjected to continuous operation over a long period of time under a high voltage and a high pressure, the multi-layer piezoelectric device comprises a stack formed by stacking piezoelectric layers and internal electrodes alternately one on another and external electrodes formed on a first side face and on a second side face of the stack, wherein one of the adjacent internal electrodes is connected to the external electrode formed on the first side face and the other internal electrode is connected to the external electrode formed on the second side face, while content of alkali metal in a range from 5 ppm to 300 ppm is contained.
摘要:
A multi-layer piezoelectric element having high durability which allows it to increase the amount of displacement of a piezoelectric actuator under high voltage and high pressure and does not undergo a change in the amount of displacement during continuous operation in a high electric field and under a high pressure over a long time period is provided.The multi-layer piezoelectric element comprises a stack of at least one piezoelectric layer and a plurality of internal electrodes consisting of first and second internal electrodes placed one on another, a first external electrode formed on a first side face of the stack and connected to the first internal electrode and a second external electrode formed on a second side face of the stack and connected to the second internal electrode, wherein the bonding strength between the piezoelectric layer and the internal electrode is weaker than the bending strength of the piezoelectric layer.
摘要:
To provide a multi-layer piezoelectric device having excellent durability in which the amount of displacement does not change even when the piezoelectric actuator is subjected to continuous operation over a long period of time under a high voltage and a high pressure, the multi-layer piezoelectric device comprises a stack formed by stacking piezoelectric layers and internal electrodes alternately one on another and external electrodes formed on a first side face and on a second side face of the stack, wherein one of the adjacent internal electrodes is connected to the external electrode formed on the first side face and the other internal electrode is connected to the external electrode formed on the second side face, while content of alkali metal in a range from 5 ppm to 300 ppm is contained.
摘要:
A crooked cut detecting system consisting fundamentally of a sensor for sensing irregularities developed on a cut end of a material from which a section was cut away by a sawing machine, an arithmetic means for deriving as a developed crookedness the difference between the maximum and minimum values of the above irregularities, and a comparator to compare the developed crookedness with a standard value defining a maximum allowable crookedness. The operations of the above fundamental constituents are computerized so as to be incorporated in the operation of an ordinary automatic sawing machine, whereby successive irregular cutting operations of an automatic sawing machine can be eliminated.
摘要:
Disclosed is a clear liquid skin cosmetic composition (e.g., a lotion) in which one or more oily substances (such as oil-soluble perfumes, hormones and the like) are solubilized in water with the aid of a solubilizing agent comprising an 18.alpha.-glycyrrhizin (18.alpha.-glycyrrhizic acid sodium salt, potassium salt or ammonium salt) that is a novel compound derived from a conventional glycyrrhizin (i.e., any form of 18.beta.-glycyrrhizin extracted from licorice root) or a glycyrrhizin composition consisting of an 18.alpha.-glycyrrhizin and an 18.beta.-glycyrrhizin. This skin cosmetic composition is not irritative to the skin as contrasted with skin cosmetic compositions prepared by using a synthetic surface-active agent as the solubilizing agent, and is not subject to gelation in a slightly acidic to acidic pH range as contrasted with skin cosmetic compositions prepared by using an 18.beta.-glycyrrhizin alone as the solubilizing agent. Moreover, this skin cosmetic composition exerts a mild action on the skin without causing irritation thereto, gives an agreeable feeling, and has excellent fluidity, usability and storage stability.