摘要:
An open tubular capillary column, for high-speed micro liquid chromatography made of a glass tube of the inner diameter not more than 0.10 mm, having the net inside capacity not less than 0.5 .mu.l, the inner surface of which hollow glass tube being chemically bonded, in order to provide a stationary phase there, with at least one silane or its derivative such as octadecylsilane to form a polymeric layer. This invention includes the manufacturing method of such a column.
摘要:
A mobile communication system including: a terminal, a movement-origin base station to which the terminal connects before movement of the terminal; a movement-destination base station to which the terminal connects after movement of the terminal; and a higher-order apparatus that has the movement-origin base station and the movement-destination base station under its control. Control information for voice encoding is set in advance in the movement-origin base station and the movement-destination base station, the movement-origin base station includes the control information of its own station in a first message and transmits the first message to the higher-order apparatus, and the higher-order apparatus includes the control information of the movement-origin base station in a second message and transmits the second message to the movement-destination base station.
摘要:
A semiconductor device has a semiconductor substrate, an insulating film, a semiconductor element and a resistance element. The semiconductor substrate has a first trench. The insulating film covers an inner surface of the first trench. The semiconductor element has an electrode. The resistance element is electrically connected to the electrode to form a resistance to a current flowing through the electrode, and is arranged in the first trench with the insulating film therebetween. Thereby, the semiconductor device can have a resistance element that has a small footprint and can pass a large current with high reliability.
摘要:
An electronic calculator comprises a keyboard for receiving numerical data, storage registers for storing the numerical data, a processor unit for processing the numerical data stored in the storage registers, a display unit for visually displaying the numerical data, a blocking circuit for blocking the visual display of a computed result from the processor unit, and a releasing circuit to discontinue the blocking of the visual display of the result, thereby causing the operator of the calculator to not know the result until receiving instructions.
摘要:
A column used for high speed liquid chromatography which is characterized in (a) eminent separating ability suitable for microanalysis while having a small internal diameter, (b) minimizing the separation impediment due to minute flaws, tiny recesses or the like on the inner surface thereof, and (c) facilitating packing operation of particulate packing or support material thereinto, by enabling the material to closely contact not only with each other but also with the inner surface of the column that can yield to a necessary extent.