Abstract: A power supply system is provided. The power supply system includes a power supply system comprises a first rectifier receiving an AC power from a first input AC power source, converting the AC power into a first DC power and outputting the first DC power to a connection node, one or more motors connected in parallel to the connection node, the motors being respectively connected to inverters converting the DC power provided from the connection node into an AC power to control the motors, and an auxiliary power source supplying a second DC power to the connection node when the supply of the first DC power is interrupted, or when an overload of the motors occurs.

Abstract: A power supply system is provided. The power supply system includes a power supply system comprises a first rectifier receiving an AC power from a first input AC power source, converting the AC power into a first DC power and outputting the first DC power to a connection node, one or more motors connected in parallel to the connection node, the motors being respectively connected to inverters converting the DC power provided from the connection node into an AC power to control the motors, and an auxiliary power source supplying a second DC power to the connection node when the supply of the first DC power is interrupted, or when an overload of the motors occurs.

Abstract: A nonvolatile memory device and a method of fabricating the same are disclosed. The method includes forming a tunnel oxide film and a conductive film for a floating gate on a semiconductor substrate; nitriding the top surface of the conductive film for a floating gate; oxidizing the nitrided top surface of the conductive film for a floating gate that is nitrided, forming an ONO film comprising a lower oxide film, a nitride film and an upper oxide film sequentially laminated on the surface-modified conductive film for a floating gate to complete formation of the dielectric film; and forming the conductive film for a control gate on the dielectric film.

Abstract: A water-soluble extract of asiaticoside and madecassoside from Centella asiatica and an isolating method thereof. In the isolating method an aqueous alcohol containing Centella asiatica is subjected to cold-precipitation to obtain an extract. The extract in the aqueous alcohol is treated with a halogenide solvent for layer separation, and then the aqueous layer is extracted with a higher alcohol. The extract in the alcohol layer is washed first with sodium hydroxide and then with water. After being concentrated, the extract is crystallized with ethyl acetate to obtain crystals and the crystals are washed. A method for treating liver cells in a mammal includes administering to a mammal an effective amount of the extract from Centella asiatica containing asiaticoside and madecassoside.

Abstract: A terminal connecting device includes a main body of a terminal block having diaphragms and supporting strips, a terminal plate positioned at the top of the supporting strips, movable terminals supported by a spring to attach or detach lead wire positioned on the terminal plate, a restraining structure, proximate to the movable terminals, which limits the movement of the lead wire, and a terminal screw coupled with the movable terminals after being penetrated through the through hole of the lead wire and fastened at a screw hole of the terminal plate. The restraining structure restricts the lead wire from diverting or dropping, thereby preventing safety accidents such as stopping the operation of facility or electric shock. The restraining structure also allows easy penetration of the terminal screw through the through hole of the lead wire in fixing the lead wire, thereby improving productivity due to ease of fastening the terminal screw.

Abstract: Disclosed is the use of 2-oxoasiatic acid in the treatment of dementia or cognitive disorders.

Abstract: The present invention relates to stereoselective synthetic method of oxazoline derivative. More particularly, it relates to a synthetic method of oxazoline derivative having the structure of formula I. ##STR1## wherein R represents phenyl, benzyl, methyl, ethyl, isopropyl, isobutyl, cyclohexyl or cyclohexylmethyl.

Abstract: The present invention relates to a process for the preparation of an oxazoline compound which is easily chemically converted to a beta-amino-alpha-hydroxy acid or a gamma-amino-beta-hydroxy acid. The method comprises producing a compound of the following formula (4) using .alpha.-amino acid. The produced compound (4) is subjected to an intramolecular cyclization to produce an oxazoline compound of the following formula (3). The oxazoline compound (3) is oxidized at a vinyl group with RuCl.sub.3 or NaIO.sub.4 to produce an oxazoline compound of the following formula (1) which is easily chemically converted to a beta-amino-alpha-hydroxy acid. Alternatively, the oxazoline compound (3) may also be treated with 9-borabiclo[3.3.1]nonane such that a hydroxy group is introduced into the end of the vinyl group of the oxazoline compound(3). The introduced end hydroxy group is oxidized with RuCl.sub.3 or NaIO.sub.

Abstract: Asiatic acid derivatives having a modified A-ring, as represented by formula 1 are disclosed. ##STR1## Pharmaceutical compositions and methods of treating cancer and hepatotoxicity utilizing compounds of formula 1 are also disclosed.

Abstract: The object of the present invention is to provide asiatic acid derivatives, its pharmaceutically acceptable salts or esters.Asiatic acid, its trisaccharide asiaticoside and mddecassic acid, extracted from Centella asiatica have been used for a long time in the management of skin scars and chronic ulcers. In this invention, asiatic acid derivatives synthesized from asiatic acid show excellent wound-healing properties.