Abstract: The present invention provides a method and apparatus for rapidly extracting the analyte existing in the liquid phase in analyzing an analyte “having a large partition coefficient in gas-liquid equilibrium”, “having a high water solubility”, or “having a low olfactory threshold” by a gas-liquid contact extraction method, and further provides, a method and apparatus for unmanned continuous sample introduction of the analyte to a GC or the like for a long time. In the present invention, using a gas-liquid contact extractor to which a sample liquid is continuously introduced from above and a purge gas from beneath, the analyte in the sample liquid is extracted by gas-liquid contact between the sample liquid and the purge gas. A discharge pipe is connected to the bottom of the gas-liquid contact extractor, the pipe having a liquid sump through which the sample liquid is discharged, while blocking the outflow of the purge gas from the liquid sump.

Abstract: The present invention provides a method and apparatus for rapidly extracting the analyte existing in the liquid phase in analyzing an analyse “having a large partition coefficient in gas-liquid equilibrium”, “having a high water solubility”, or “having a low olfactory threshold” by a gas-liquid contact extraction method, and further provides, a method and apparatus for unmanned continuous sample introduction of the analyte to a GC or the like for a long time. In the present invention, using a gas-liquid contact extractor to which a sample liquid is continuously introduced from above and a purge gas from beneath, the analyte in the sample liquid is extracted by gas-liquid contact between the sample liquid and the purge gas. A discharge pipe is connected to the bottom of the gas-liquid contact extractor, the pipe having a liquid sump through which the sample liquid is discharged, while blocking the outflow of the purge gas from the liquid sump.

Abstract: A printing control device includes: a banner data detecting unit that detects banner data from print data; a data acquiring unit that acquires, when the banner data are detected by the banner data detecting unit, data for designating a printing condition for printing a text located after the banner data in the print data; and a printing condition setting unit that sets, when the data for designating the printing condition for printing the text are acquired by the data acquiring unit, the printing condition as a printing condition for printing the print data.

Abstract: A liquid ejection head includes nozzles, separate chambers, a common chamber, inlet portions, a filter unit, and ribs. Droplets of liquid are ejected from the nozzles. The separate chambers are communicated with the nozzles. The inlet portions are communicated with the corresponding separate chambers. Liquid is supplied from the common chamber to the separate chambers through the inlet portions. The filter unit is disposed between the inlet portions and the common chamber to filter liquid in an area across the separate chambers in a first direction in which the nozzles are arrayed. The ribs are disposed in the filter unit at intervals corresponding in size to at least two of the separate chambers in the first direction to partition the filter unit. The inlet portions are communicated in the first direction with each other in at least one portion of each of the inlet portions facing the filter unit.

Abstract: A liquid ejection head includes nozzles, separate chambers, a common chamber, inlet portions, a filter unit, and ribs. Droplets of liquid are ejected from the nozzles. The separate chambers are communicated with the nozzles. The inlet portions are communicated with the corresponding separate chambers. Liquid is supplied from the common chamber to the separate chambers through the inlet portions. The filter unit is disposed between the inlet portions and the common chamber to filter liquid in an area across the separate chambers in a first direction in which the nozzles are arrayed. The ribs are disposed in the filter unit at intervals corresponding in size to at least two of the separate chambers in the first direction to partition the filter unit. The inlet portions are communicated in the first direction with each other in at least one portion of each of the inlet portions facing the filter unit.

Abstract: A printing control device includes: a banner data detecting unit that detects banner data from print data; a data acquiring unit that acquires, when the banner data are detected by the banner data detecting unit, data for designating a printing condition for printing a text located after the banner data in the print data; and a printing condition setting unit that sets, when the data for designating the printing condition for printing the text are acquired by the data acquiring unit, the printing condition as a printing condition for printing the print data.

Abstract: A liquid drop discharge head includes a chip 21 that is formed by separation of a silicon wafer 20. The silicon wafer 20 has a first direction and a second direction which are mutually intersected. The chip 21 is separated from the silicon wafer 20 by etching the wafer along a separation line 22 parallel to the first direction of the wafer and by dicing the wafer 20 along a separation line 23 parallel to the second direction of the wafer.

Abstract: A liquid drop discharge head includes a chip 21 that is formed by separation of a silicon wafer 20. The silicon wafer 20 has a first direction and a second direction which are mutually intersected. The chip 21 is separated from the silicon wafer 20 by etching the wafer along a separation line 22 parallel to the first direction of the wafer and by dicing the wafer 20 along a separation line 23 parallel to the second direction of the wafer.

Abstract: A liquid drop discharge head includes a chip (21) that is formed by separation of a silicon wafer (20). The silicon wafer (20) has a first direction and a second direction which are mutually intersected. The chip (21) is separated from the silicon wafer (20) by etching the wafer along a separation line (22) parallel to the first direction of the wafer and by dicing the wafer (20) along a separation line (23) parallel to the second direction of the wafer.

Abstract: A liquid drop discharge head includes a chip (21) that is formed by separation of a silicon water (20). The silicon wafer (20) has a first direction and a second direction which are mutually intersected. The chip (21) is separated from the silicon wafer (20) by etching the wafer along a separation line (22) parallel to the first direction of the wafer and by dicing the wafer (20) along a separation line (23) parallel to the second direction of the wafer.

Abstract: The present invention relates to photoconductors which exhibit excellent electrical properties which are not appreciably affected by environmental changes or by repeated use. Having excellent durability during repeated printing, these photoconductors can be used to obtain large quantities of high-quality output images.The photoconductor according to the invention includes a conductive substrate and a photoconductive film on the conductive substrate. The photoconductive film includes a plurality of charge generation and transport layers, wherein each layer contains a phthalocyanine compound described in the specification by chemical formula (I) as a charge generation agent and a charge transport agent dispersed or dissolved into a binder. The concentration of the charge generation agent in an upper layer is higher than in a lower layer.

Abstract: Phthalonitrile, an alkali metal or an alkali metal compound, and a hydrogen donor compound are heated in an organic solvent to synthesize a partially hydrogenated alkali metal phthalocyanine, which is then brought into contact with a dealkalizing agent to effect substitution with hydrogen of the partially hydrogenated alkali metal phthalocyanine to thereby obtain high-purity metal-free phthalocyanine. FX-type metal-free phthalocyanine as obtained according to the foregoing procedure may be used as a charge-generating substance to produce an electrophotographic photoconductor of high image quality which is highly sensitive to near infrared rays.

Abstract: An electrophotographic photoconductor, includes metal-free phthalocyanine as a charge-generating substance, wherein the X-ray diffraction spectrum of said metal-free phthalocyanine as measured using CuK.alpha. as a radiation source includes intense diffraction peaks at Bragg angles (2.theta..+-.0.2.degree.) of 7.5.degree., 9.0.degree., 16.6.degree., 17.2.degree., 21.5.degree., 22.2.degree., 23.8.degree., and 28.5.degree., and wherein the infrared absorption spectrum of said metal-free phthalocyanine includes four absorption bands with the maximum absorption intensity at a wavenumber of 716 cm.sup.-1 between a wavenumber of 700 cm.sup.-1 and a wavenumber of 760 cm.sup.-1 and a characteristic absorption band at a wavenumber of 3,291.+-.2 cm.sup.-1.

Abstract: Phthalonitrile, an alkali metal or an alkali metal compound, and a hydrogen donor compound are heated in an organic solvent to synthesize a partially hydrogenated alkali metal phthalocyanine, which is then brought into contact with a dealkalizing agent to effect substitution with hydrogen of the partially hydrogenated alkali metal phthalocyanine to thereby obtain high-purity metal-free phthalocyanine. FX-type metal-free phthalocyanine as obtained according to the foregoing procedure may be used as a charge-generating substance to produce an electrophotographic photoconductor of high image quality which is highly sensitive to near infrared rays.