摘要:
A D.C. voltage is applied between an anode terminal and stem pins of a cathode ray tube, using the anode terminal as a negative terminal to cause cathode spot at an edge of an internal electric conductive film of the cathode ray tube. Thus, the edge of the internal electric conductive film is so conditioned that the dielectric breakdown strength of a glass neck tube of the cathode ray tube is graded up.
摘要:
An object of the present invention is to provide an E. coli mutant strain having a chromosomal DNA not less than 1040 kbp shorter than that of a wild-type Escherichia coli, and a production method of a useful substance using the variant.
摘要:
The present invention provides a polypeptide comprising an amino acid sequence in which at least one amino acid is deleted, substituted or added in an amino acid sequence of isopropylmalate isomerase derived from a microorganism belonging to coryneform bacteria, wherein a coryneform bacterium which produces the polypeptide comprising the amino acid sequence as the sole isopropylmalate isomerase exhibits a partial leucine requirement in a minimal medium; a DNA encoding the polypeptide, a recombinant DNA comprising the DNA, a microorganism transformed with the recombinant DNA, and a process for producing an L-amino acid using the microorganism.
摘要:
According to the present invention, the E. coli mutant strain having chromosomal DNA that is at least 470 kbp shorter than that of a wild-type E. coli strain exhibits such a property that the number of the cells after a certain period of culture is greater than a wild-type strain. Thus, by culturing the mutant strain in a medium so as to generate and accumulate a useful substance in the culture, a useful substance such as proteins, peptides, amino acids, nucleic acids, vitamins, saccharides, organic acids, and lipids can be efficiently produced.
摘要:
A treating method for improving the strength of molded products. Molded products of a thermosetting resin containing a phenol resin as a main component are taken out of a mold of an injection molding machine, and then immediately immersed in water or exposed to blown air. With this treatment, the breaking strength, particularly the toughness of the molded products is increased. This method provides molded products having a large strength at room temperature as well as at temperatures around 120.degree. C.
摘要:
The present invention relates to a protein derived from a microorganism belonging to the genus Bacillus, which has an activity of hydroxylating a compound represented by the formula (I-a): wherein R1 represents a hydrogen atom, a substituted or unsubstituted alkyl, or an alkali metal, and R2 represents a substituted or unsubstituted alkyl or a substituted or unsubstituted aryl, or a ring-closed lactone form thereof; a DNA encoding the protein; and a recombinant DNA comprising the DNA.
摘要:
Novel polynucleotides derived from microorganisms belonging to coryneform bacteria and fragments thereof, polypeptides encoded by the polynucleotides and fragments thereof, polynucleotide arrays comprising the polynucleotides and fragments thereof, recording media in which the nucleotide sequences of the polynucleotide and fragments thereof have been recorded which are readable in a computer, and use of them.
摘要:
An apparatus and a method for playing back selectively a desired part of continuous data by using an input event as a clue. The apparatus comprises: first storage means for storing continuous data sequentially inputted; second storage means for storing a plurality of input events occurring at arbitrary times during the continuous data sequence; third storage means for storing data enabling identity of addresses a in the first storage means of locations in the continuous data sequence respectively corresponding to the input events; specifying means for specifying one of the input events stored in the second storage means; and playback means for playing back a selected portion of the continuous data stored in the first storage means in accordance with the identifying data stored in the third storage means which corresponds to the input event specified through the specifying means.
摘要:
A parallel-accessible memory device of one or multiple dimensions has submemories for the respective dimensions. Each of the submemories has a capacity provided by dividing the total memory capacity by positive integers given for the respective dimensions. The memory device comprises an address converting section for generating addresses of the submemories of the respective dimensions according to dimensional addresses; a data rearranging section for rearranging input and output data of the submemories in a required order, the input and output data being specified by the submemory addresses from the address converting section; and a write controlling section for selectively renewing data in a region of the submemories of the respective dimensions.
摘要:
A power transmission device that can have deformation in processing suppressed. A spiral gear as a rotation member includes a disk section extending radially outwards from a boss section. The disk section includes a through hole in slit form through laser processing.