PURPOSE: A system and method for intermediating an A/S is provided to request an A/S conveniently regardless of company sold the commodity for the A/S or kind of a commodity. CONSTITUTION: A user database(11) stores information with respect to a user. An A/S provider database(17) stores A/S provider information, a commodity kind capable of providing an A/S, and schedule information of an A/S provi...

PURPOSE: An one click purchasing method for items which is not advertised on the EC system is provided to make a user uniformly one-step access the certain goods on a web site of a seller by correlating each goods and each hyperlink to the intrinsic goods code. CONSTITUTION: The seller advertises the goods on the off-site media using a goods code(400). The goods code is a number and word appointer...

The invention relates to a teamwork method and a computer system, using which the evaluations of a group about the features of different targets can be gathered and summarized. The system comprises a server (1), the workstation of the main user (3), a number of workstations for evaluators (4-7) and the software used by the web-browser. The main user formulates the inquiry. The server requests thro...

The present invention provides a method for efficiently packing proppan t in an open hole annulus. The method provides at least one combination of a plurality of parameters which will provide an efficient and safe packing operation for extended reach horizontal open holes. For a given set of fixed parameter s, such as the wellbore size, screen size and formation fracture pressure, the method provi...

PURPOSE: A freezing apparatus using CO2 as refrigerant is provided to remove a high quantity of heat without increasing a load to environment, and to return oil for a freezing machine to a compressor smoothly. CONSTITUTION: A freezing apparatus circulates CO2 as refrigerant through a freezing circuit having a refrigerant compressor(100), a heat radiator(120), an expansion mechanism(140) and an eva...

PURPOSE: A garment with a figure control or muscle support function is provided, which includes a warp knit fabric having ground stitches by jacquard knitting of inelastic yarn, in which elastic yarn is further inserted and/or knitted. CONSTITUTION: Portions with relatively strong and weak straining forces are formed in the warp knit fabric in predetermined places in predetermined patterns by chan...

PURPOSE: A telephone system using the Internet is provided to automatically select one between the Internet and a PSTN(Public Switched Telephone Network) using a telephone switching unit connected with a computer and perform a telephone conversation. CONSTITUTION: A management server informs an IP address corresponding to a telephone number and an on-line state(526). A control program continuously...

PURPOSE: Computer network with several gateways including one to a telephone network is provided to reduce expenses for telephone communication by using a computer network even for radio telephone. CONSTITUTION: Gateways(1a to 1d, 2a to 2d, 3 and 4) of the computer network convert signals to computer data. Each gateway can be regionally used for a given geographic zone. Each gateway is provided wi...

PURPOSE: An apparatus that is capable of operating in a ship to return a vapor of a natural gas to a liquid is provided. CONSTITUTION: An apparatus used in a ship to return a compressed vapor to the liquid adopts a preassembly of constituting elements. A working fluid is compressed in at least one compressor(22, 24 or 26), cooled in a first heat exchanger(40), expanded in a turbine(28), and heated...

PURPOSE: A vibration damper for a helicopter rotor is provided to have the satisfactory damping effect on the vibration of low amplitude as well as high amplitude. CONSTITUTION: The vibration damper comprises a driving element(10) and a rigid element(6) and includes a damper assembly functionally interconnecting the driving element and the rigid element. The damper assembly comprises a hydraulic d...

A pantiliner for use with thong underwear is disclosed and claimed. The pantiliner includes a pair of flaps extending from each side of the posterior portion o f the pantiliner, at least one of said flaps being adjacent to the posterior end of the pantiliner.

PURPOSE: To provide a tape for a sliding fastener of a warp knitted texture wherein flexibility and an attaching strength are ensured without losing the original flexibility of a knitted fabric, and at the same time, elements can be uniformly attached. CONSTITUTION: For this tape for a sliding fastener, an element attaching section (EA) is integrally warp-knitted by double row needles along one si...

PURPOSE: An optical recording and reproducing apparatus and a tracking control method are provided to maintain compatibility with a currently used optical recording medium, to stably perform recording and reproducing of a high density recording medium, and to obtain a tracking error signal without defect. CONSTITUTION: An optical recording and reproducing apparatus(1) has a drive unit(2) for rotat...

PURPOSE: A method for producing an ink-jet print head and an ink-jet print cartridge is provided to change between ink element and an orifice and to print ink droplet having various weight. CONSTITUTION: An inkjet print head(102) includes a substrate(204). One or more portions of the substrate etched have different thickness. A thin-film layer(300) connected to the substrate contains independently...

An office chair base is the bottom part of every office chair securing i ts vertical stability and providing free movement in a horizontal plane perpendicular to the axis of the vertical support column. The movement in all existing office chair bases is effectuated by means of using casters. In this invention the casters are eliminated and replaced by balls located in grooves inside a ribbed inj...

PURPOSE: A substrate for manufacturing an environmentally conscious semiconductor device using a ternary alloy is provided to exclude a tin/lead alloy plating to be performed after a semiconductor assembly process by plating a ternary alloy such as gold/silver/cellinium on a substrate. CONSTITUTION: A first layer includes a nickel layer having thickness of 10-300 micro inch which is formed on a le...

PURPOSE: To prevent a lowering of an NMR signal caused by slice thinning. CONSTITUTION: In the case of executing the pulse sequence SQ of a spin echo method, the inclination G2 of a slice gradient when applying 180deg. RF pulse P to a position in a slice thickness direction is made smaller than the inclination G1 of a slice gradient when applying 90deg. RF pulse R. As a result, an MR (magnetic res...

SE REFIERE A DERIVADOS DE NITRILO DE FORMULA I DONDE Y ES O, S, CH-R2; R1 Y R3 SON H, METILO; O R2 Y R3 SON CH2 PARA FORMAR CICLOPROPILO; R4 Y R5 SON H, ALQUILO; R6 ES CICLOALQUILO, ARILO, ARIL-ALQUILO, HETEROARILO, HETEROARILALQUILO; R7 ES CORa, SO2Rb, CSNHRc; Ra ES ALQUILO, CICLOALQUILO, ARILO, HETEROARILO, ENTRE OTROS; Rb ES ALQUILO, CICLOALQUILO, ARILO, HETEROARILO; Rc ES ALQUILO, CICLOALQUILO...

SE REFIERE A FOSFORAMIDATOS DE ANALOGOS 6-MODIFICADOS DE (1S,CIS)-4-(2-AMINO-9H-PURIN-9-IL)-2-CICLOPENTEN-1-METANOL DE FORMULA I, DONDE R1 ES H, ARILO C6-C14, HETEROARILO; R2 Y R3 SON H, ALQUILO C1-C8, CICLOALQUILO C3-C8, ALQUENILO C2-C8, CICLOALQUENILO C5-C8, ENTRE OTROS; R4 ES OR8, NR8R9, SR8; R8 Y R9 SON H, ALQUILO C1-C8, ALQUENILO C2-C8, ENTRE OTROS; R5 ES H, ALQUILO C1-C8, ARILO C6-C14, R2 Y ...

SE REFIERE A COMPUESTOS DE FORMULA (1), EN DONDE R1 ES UN ALQUILO C1-C18 Y, R ES UN RADICAL ALQUILO, ARILO O ARALQUILO C1-C18; Y, DE FORMULA (2) Y (3), EN DONDE R2 ES UN ALQUILO C1-C18, R3 ES UN ALQUILO O ARILO C1-C18 Y Me ES UN METAL ALCALINO. (1) SE USA COMO COLECTOR Y, (2) Y (3) SE USAN COMO CO-COLECTORES. LA CONCENTRACION TOTAL DEL COLECTOR ESTA ENTRE 0,01 Kg/TM DE PULPA ACUOSA Y 1,0 Kg/TM DE ...