Abstract: A method for treating wastewater significantly reduces an ammonium ion concentration and COD of wastewater while reducing the amount of an oxidizing gas used. The method for treating wastewater containing ammonia nitrogen, and the method includes: a first step of discharging at least a part of the ammonia nitrogen from the wastewater; and a second step of subjecting first treated wastewater which is the wastewater that has been subjected to the first step to a wet oxidation treatment.

Abstract: A music piece analyzer includes: a beat interval acquiring unit configured to acquire a beat interval in music piece data; a candidate detector configured to detect sounding positions where a change amount for sounding is equal to or more than a predetermined threshold in the music piece data, as candidates for sounding positions of a snare drum; and a sounding position determination unit configured to determine that the candidates for the sounding positions at a two-beat interval acquired by the beat interval acquiring unit in the music piece data are the sounding positions of the snare drum, among the candidates for the sounding positions of the snare drum.

Abstract: A music piece analyzer includes: a beat-position-acquiring-unit configured to detect beat positions in music piece data; a snare drum detector configured to detect sounding positions of a snare drum in the music piece data; a bass drum detector configured to detect sounding positions of a bass drum in, the music piece data; a one-beat-shift-determination-unit configured to determine whether a bar beginning of the music piece data is shifted by one beat based upon the sounding positions of the snare drum detected by the snare drum detector; a two-beat-shift-determination-unit configured to determine whether the bar beginning of the music piece data is shifted by two beats on a basis of the sounding positions of the bass drum detected by the bass drum detector; and a bar-beginning-setting-unit configured to set the bar beginning of the music piece data on a basis of results determined by the one-beat-shift-determination-unit and the two-beat-shift-determination-unit.

Abstract: A music piece analyzer includes: a beat-position-acquiring-unit configured to detect beat positions in music piece data; a snare drum detector configured to detect sounding positions of a snare drum in the music piece data; a bass drum detector configured to detect sounding positions of a bass drum in the music piece data; a one-beat-shift-determination-unit configured to determine whether a bar beginning of the music piece data is shifted by one beat based upon the sounding positions of the snare drum detected by the snare drum detector; a two-beat-shift-determination-unit configured to determine whether the bar beginning of the music piece data is shifted by two beats on a basis of the sounding positions of the bass drum detected by the bass drum detector; and a bar-beginning-setting-unit configured to set the bar beginning of the music piece data on a basis of results determined by the one-beat-shift-determination-unit and the two-beat-shift-determination-unit.

Abstract: A music piece analyzer includes: a beat interval acquiring unit configured to acquire a beat interval in music piece data; a candidate detector configured to detect sounding positions where a change amount for sounding is equal to or more than a predetermined threshold in the music piece data, as candidates for sounding positions of a snare drum; and a sounding position determination unit configured to determine that the candidates for the sounding positions at a two-beat interval acquired by the beat interval acquiring unit in the music piece data are the sounding positions of the snare drum, among the candidates for the sounding positions of the snare drum.

Abstract: A music piece development analyzer includes: a comparison target sound detector configured to detect a sound production position of a comparison target sound in a form of a sound of a predetermined musical instrument from music piece data; a sound production pattern comparing unit configured to set at least two comparison sections each having a predetermined length in the music piece data, compare the at least two comparison sections in terms of a sound production pattern of the comparison target sound, and detect a similarity degree of the sound production pattern between the at least two comparison sections, and a development change-point determining unit configured to determine a development change-point of the music piece data based on the similarity degree.

Abstract: A lighting controller configured to control a lighting fixture based on music piece data in which characteristic sections that characterize a music construction are allocated includes: a transition information acquisition unit configured to obtain transition information for each of the characteristic sections in the music piece data; a note-fractionated-section analyzing unit configured to analyze the characteristic section(s) in the music piece data to detect a note-fractionated section where a note is fractionated with progression of bars; and a lighting control data generating unit configured to generate lighting control data based on the transition information obtained by the transition information acquisition unit and the note-fractionated section detected by the note-fractionated-section analyzing unit.

Abstract: A music piece development analyzer includes: a comparison target sound detector configured to detect a sound production position of a comparison target sound in a form of a sound of a predetermined musical instrument from music piece data; a sound production pattern comparing unit configured to set at least two comparison sections each having a predetermined length in the music piece data, compare the at least two comparison sections in terms of a sound production pattern of the comparison target sound, and detect a similarity degree of the sound production pattern between the at least two comparison sections, and a development change-point determining unit configured to determine a development change-point of the music piece data based on the similarity degree.

Abstract: A lighting controller configured to control a lighting fixture based on music piece data in which characteristic sections that characterize a music construction are allocated includes: a transition information acquisition unit configured to obtain transition information for each of the characteristic sections in the music piece data; a note-fractionated-section analyzing unit configured to analyze the characteristic section(s) in the music piece data to detect a note-fractionated section where a note is fractionated with progression of bars; and a lighting control data generating unit configured to generate lighting control data based on the transition information obtained by the transition information acquisition unit and the note-fractionated section detected by the note-fractionated-section analyzing unit.

Abstract: A central part of a columnar body in an axis direction parallel to inlet-side flow passages 70Hin and outlet-side flow passages 70Hout includes a first region R1 where the number of outlet-side flow passages 70Hout adjacent to each inlet-side flow passage 70Hin is Nio1 (Nio1 is any natural number) and a second region R2 where the number of outlet-side flow passages 70Hout adjacent to each inlet-side flow passage 70Hin is Nio2 (Nio2 is any natural number) and Nio2 ? Nio1 is satisfied. The outlet-side flow passage 70Hout is not adjacent to another outlet-side flow passage 70Hout, at the first region R1 and the second region R2 in the central part of the columnar body in the axis direction.

Abstract: A cylindrical honeycomb structure 1 has a partition wall 3 forming A channels 5 and B channels 6. The A channels 5 are open at a first end surface 1a and closed at a second end surface 1b. The B channels 6 are closed at the first end surface 1a and open at the second end surface 1b. The B channels 6 include a first B channel 11 and a second B channel 13 extending substantially in parallel to each other. The A channels 5 include first A channels 10, which surround the first B channel at the first end surface, and second A channels 12, which surround the second B channel at the first end surface. The partition wall 3 has a first group partition wall 18, which separates adjacent channels of the first A channels 10 and the second A channels 12 from each other.

Abstract: The extrusion-molding device of the invention includes a flow passage for transporting a paste raw material composition; a screw provided at an upstream side of the flow passage to knead the raw material composition and transport it to a downstream side; a die provided at a downstream side of the flow passage to extrude a molded body composed of the raw material composition therefrom; a resistive tube for connecting the flow passage and the die; and a current plate provided between the screw and the die. The current plate comprises a plurality of through-holes that penetrate from a upstream end side to a downstream end side, and an opening of the through-hole on the upstream end side has a larger open area than an opening on the downstream end side.

Abstract: The columnar honeycomb structure 10 extending along a central axis CL, including a first end surface 10a and a second end surface 10b, and a partition wall 10c forming a plurality of first flow passages Ra and a plurality of second flow passages Rb, in which the first flow passages Ra are opened at the side of the first end surface 10a and plugged at the side of the second end surface 10b, the second flow passages Rb are plugged at the side of the first end surface 10a and opened at the side of the second end surface 10b, and the honeycomb structure includes a circular row W formed by arranging the second flow passages Rb adjoining and partitioned by the partition wall 10c in a circular pattern.

Abstract: The extrusion-molding device of the invention is for producing a green honeycomb molded body with a cell structure, and the device includes a housing, a screw, a die with slits, a resistance tube and a fragmenting board having through-passages through which a raw material composition passes from the upstream end side to the downstream end side. The through-passages of the fragmenting board have upstream channels composed of a plurality of flow passages extending downstream from the upstream end side, and downstream channels extending up to the downstream end side and having flow passage cross-sectional shapes different from those of the upstream channels.

Abstract: A cylindrical honeycomb structure 1 has a partition wall 3 forming A channels 5 and B channels 6. The A channels 5 are open at a first end surface 1a and closed at a second end surface 1b. The B channels 6 are closed at the first end surface 1a and open at the second end surface 1b. The B channels 6 include a first B channel 11 and a second B channel 13 extending substantially in parallel to each other. The A channels 5 include first A channels 10, which surround the first B channel at the first end surface, and second A channels 12, which surround the second B channel at the first end surface. The partition wall 3 has a first group partition wall 18, which separates adjacent channels of the first A channels 10 and the second A channels 12 from each other.

Abstract: A honeycomb structure 100 having a partition wall 112 that forms a plurality of first channels 110a and a plurality of second channels 110b is provided. The first channels 110a are open at a first end surface 100a and closed at a second end surface 100b. The second channels 110 are closed at the first end surface 100a and open at the second end surface 100b. The partition wall 112 has standard walls 112a, which separate the first channels 110a and the second channels 110b from each other, and a common wall 112b, which separates two first channels 110a adjacent to each other at the first end surface 100a, and the standard walls 112a are thicker than the common walls 112b.

Abstract: The present invention aims to provide a honeycomb structure capable of preventing a plugging failure and forming cracks by heat shock which are caused by a cell having a small cross-section.

Abstract: The columnar honeycomb structure 10 extending along a central axis CL, including a first end surface 10a and a second end surface 10b, and a partition wall 10c forming a plurality of first flow passages Ra and a plurality of second flow passages Rb, in which the first flow passages Ra are opened at the side of the first end surface 10a and plugged at the side of the second end surface 10b, the second flow passages Rb are plugged at the side of the first end surface 10a and opened at the side of the second end surface 10b, and the honeycomb structure includes a circular row W formed by arranging the second flow passages Rb adjoining and partitioned by the partition wall 10c in a circular pattern.