Abstract: It is an object of an embodiment of the present invention to provide an industrially easily applicable technology for reducing a viscosity of a culture solution, in order to collect a polyhydroxyalkanoate from a polyhydroxyalkanoate-producing microorganism. The object is attained by providing a method for producing a polyhydroxyalkanoate, including the following steps (a) and (b): (a) maintaining a culture solution at 40° C. to 80° C., the culture solution including microbial cells containing the polyhydroxyalkanoate; and (b) adding an oxidizer to the culture solution obtained in the step (a), adjusting a pH of the culture solution to 10.5 to 13.0, and maintaining the culture solution at 30° C. to 75° C.

Abstract: A polyamic acid manufacturing system for manufacturing a polyamic acid is disclosed using, as raw materials, a first solution in which a polyaddition-type first polymerizable compound is dissolved and a second solution in which a polyaddition-type second polymerizable compound that reacts with the first polymerizable compound through polyaddition is dissolved. The polyamic acid manufacturing system may include: a first supply part for supplying the first solution; a second supply part for supplying the second solution; a first combining part; and a first reaction part, thereby producing a first polymerization solution in which the polyamic acid is dissolved. Further, the polyamic acid manufacturing system may include: a first supply step of supplying the first solution; a second supply step of supplying the second solution; a first combining step; and a first reaction step, thereby producing a first polymerization solution in which the polyamic acid is dissolved.

Abstract: One or more embodiments of the present invention relate to a flame-retardant fabric that includes modacrylic fibers, regenerated cellulose fibers, and heat resistant fibers. The regenerated cellulose fibers include one or more regenerated cellulose fibers selected from the group consisting of flame retardant rayon fibers and lyocell fibers. The heat resistant fibers include one or more heat resistant fibers selected from the group consisting of polyoxadiazole fibers and aramid fibers. The flame retardant fabric includes the modacrylic fibers in an amount of 20 to 76 wt %, the regenerated cellulose fibers in an amount of 11 to 48 wt %, and the heat-resistant fibers in an amount of 6 to 69 wt %. The char length, afterflame time, and afterglow time of the flame retardant fabric measured using a flammability test in accordance with GB/T 5455-1997 are 100 mm or less, 2 seconds or less, and 4 seconds or less, respectively.

Abstract: A water-based coating makes it possible to provide a highly water-repellent coating film and has excellent film formability. The water-based coating contains (a) a graft copolymer (A) containing a specific amount of a non-crosslinked polyorganosiloxane and a graft part and (b) a polymer (B) having a specific feature. The specific feature of the polymer (B) is that (i) an amount of the polymer (B) is a specific amount, or (ii) a complex of the graft copolymer (A) and the polymer (B) has a weight-average molecular weight that is not more than a specific value.

Abstract: [Problem to be solved] A method for separating fibers that separates a modacrylic fiber, a polyvinyl chloride fiber and a polyester fiber and a method for producing fibers using these fibers obtained by the method for separating fibers are provided. [Solution] A method for separating fibers contained in a fiber mixture from the fiber mixture, the method including a step of mixing the fiber mixture containing at least two selected from the group consisting of a modacrylic fiber, a polyvinyl chloride fiber and a polyester fiber, and a liquid mixture containing calcium chloride, a nonionic surfactant and water, and a method for producing a fiber, the method including a separation step of mixing a fiber mixture containing at least two selected from the group consisting of a modacrylic fiber, a polyvinyl chloride fiber and a polyester fiber, and a liquid mixture containing calcium chloride, a nonionic surfactant and water and a step of spinning a raw material containing a fiber separated in the separation step.

Abstract: One or more embodiments of the present invention relate to a flame-retardant fabric that includes modacrylic fibers, regenerated cellulose fibers, and heat-resistant fibers. The regenerated cellulose fibers include one or more regenerated cellulose fibers selected from the group consisting of flame-retardant rayon fibers and lyocell fibers. The heat-resistant fibers include one or more heat-resistant fibers selected from the group consisting of polyoxadiazole fibers and aramid fibers. The flame-retardant fabric includes the modacrylic fibers in an amount of 20 to 76 wt %, the regenerated cellulose fibers in an amount of 11 to 48 wt %, and the heat-resistant fibers in an amount of 6 to 69 wt %. The char length, afterflame time, and afterglow time of the flame-retardant fabric measured using a flammability test in accordance with GB/T 5455-1997 are 100 mm or less, 2 seconds or less, and 4 seconds or less, respectively.

Abstract: Provided is a solar cell assembly that includes a plurality of small segments, each of the plurality of small segments being defined by a defining line, which is a straight line substantially parallel to a linear one side of the cell assembly, the solar cell assembly including: a photoelectric conversion part; a transparent conductive layer disposed on an area of a main surface of the photoelectric conversion part corresponding to each of the plurality of small segments, the transparent conductive layer having a first area and a second area; a collector electrode disposed on the first area of the transparent conductive layer and including a plating layer; and a transparent insulating layer disposed on the second area of the transparent conductive layer, in which the photoelectric conversion part is exposed in a defining area, which is an area formed along the defining line and including the defining line.

Abstract: The present invention relates to a fiber for artificial hair having a hollow in a center of a fiber cross section. A ratio of an area of the hollow to an entire area of the fiber cross section is 5% to 50%. The fiber cross section has a flat multilobed shape, and the hollow has a first side and a second side that are inclined 70 to 110 degrees relative to a major axis of the fiber cross section. The present invention also relates to hair ornament products including the above fiber for artificial hair. Thus, the present invention provides a fiber for artificial hair having a favorable curl setting property when curling with a hair iron and a favorable combing property after curling with a hair iron, and hair ornament products including the same.

Abstract: A polyamic acid according to one or more embodiments of the present invention contains a structural unit represented by general formula (1) and a structural unit represented by general formula (2). In general formula (1), the plurality of R1s are each independently a hydrogen atom, a monovalent aliphatic group or an aromatic group. In general formula (2), the plurality of R2s are each independently an alkyl group having 1-3 carbon atoms or an aryl group having 6-10 carbon atoms. In general formulas (1) and (2), X is a tetravalent organic group. In general formula (2), the plurality of Ys are each independently an alkylene group having 1-3 carbon atoms or an arylene group having 6-10 carbon atoms, and m is an integer of 51-199.

Abstract: A back-contact solar cell having a first conductivity-type semiconductor layer in a first region on a back side of a semiconductor substrate, and a second conductivity-type semiconductor layer in a second region and the first region on the back side. In the first region, an intrinsic semiconductor layer and the first and second conductivity-type semiconductor layers are stacked successively on the back side. In the second region, the intrinsic semiconductor layer and the second conductivity-type semiconductor layer are stacked on the back side. In a boundary region between the first and second regions, an insulating layer, and the first and second conductivity-type semiconductor layers, are stacked successively on the back side, with the intrinsic semiconductor layer disposed between the layers and the back side. The insulating layer is interposed between the first conductivity-type semiconductor layer in the first region and the second conductivity-type semiconductor layer in the second region.

Abstract: Plasmid DNA can be efficiently recovered from bacterial cells when producing plasmid DNA using E. coli. Provided is a method for producing plasmid DNA including the following steps (a) to (c): (a) a step of preparing E. coli, which has a mutation in a gene region associated with maintaining outer membrane properties and has a desired plasmid; (b) a step of culturing E. coli of (a); and (c) a step of recovering a desired plasmid from bacterial cells after culture.

Abstract: A chromatographic developing solution, a kit including a chromatographic developing solution and a chromatograph device, a chromatograph device, and a method for detecting an analyte contained in a sample are provided. The chromatographic developing solution includes an alkylene oxide-addition cationic surfactant and a nonionic surfactant. The alkylene oxide-addition cationic surfactant includes an ethylene oxide-addition cationic surfactant.

Abstract: A fiber bundle for artificial hair contains two or more types of core-sheath conjugate fibers having different core-to-sheath area ratios. Each of the core-sheath conjugate fibers includes a core and a sheath, and the core-to-sheath area ratio is represented by the area ratio between the core and the sheath. In each of the core-sheath conjugate fibers, the core includes a polyester resin composition containing a polyester resin, and the sheath includes a polyamide resin composition containing a polyamide resin. The standard deviation of the ratios of the core cross-sectional area to the fiber cross-sectional area of the core-sheath conjugate fibers contained in the fiber bundle for artificial hair is 0.15 or more. The fiber bundle for artificial hair has touch and appearance similar to those of human hair, and have favorable curl setting properties and usage durability, and a hair ornament product including the same are provided.

Abstract: A catheter has a shaft, a coil, a leaf spring having a first connection part where its proximal end part is connected to the distal end part of the coil, at least one wire, and a tubular member disposed outside the coil such that the wire, the leaf spring, and the first connection part are located in the lumen, wherein the tubular member has a first section from the distal end of the coil to a position D having a length d proximally, an inner wall of the tubular member is not in contact with an outer surface of the coil in the first section, and the length d is a length of one winding of the coil or longer and a length of 30 windings or shorter. A catheter can easily achieve the desired curved shape by preventing twisting and kinking of the catheter distal part.

Abstract: Provided are an artificial hair and an artificial hair unit that are easier to attach to a head of a user, a wig cap, or the like, and a method for attaching the artificial hair. The present invention provides a configuration including at least two fiber groups and an attachment part having a plurality of annular parts. The two fiber groups spread at least in a first direction, where the attachment part extends in the first direction and is sandwiched between the two fiber groups and sewn onto the two fiber groups, and where the plurality of annular parts are exposed to an outside from between the two fiber groups.

Abstract: A filter material for removing leukocytes including a nonwoven fabric composed of polyester fibers, the nonwoven fabric having a first endothermic peak at a melting point and a second endothermic peak having a maximum in a temperature range from 155° C. to 225° C. in a DSC curve obtained by differential scanning calorimetry (DSC).

Abstract: The present disclosure is directed to a composite metal oxide particle, and method of producing the same, having an excellent lithium ion conductivity that may be produced at low cost. The present disclosure relates to a garnet-type composite metal oxide particle, containing Li, La, Zr and O; Ga and/or Al; and a halogen element, where a part of a Li site is substituted with the Ga and/or the Al, and at least a part of a particle surface is covered with a melt-solidified material. A ratio of an area covered with the melt-solidified material to a total area of the particle is preferably 10% or more, and the halogen element is preferably Cl.

Abstract: A flame-retardant fabric includes 20% by mass or more and less than 40% by mass of silica-containing cellulose fibers, 25 to 55% by mass of flame-retardant cellulose fibers containing a phosphorus-based flame retardant, and 10 to 50% by mass of aramid fibers. The flame-retardant fabric is easy to dye and exhibits high flame retardancy in flammability tests. A work clothing contains the flame-retardant fabric.

Abstract: A cold storage material composition that allows temperature maintenance of a temperature control target article at a constant temperature for an extended period of time in various control temperature ranges in a range of ?75.0° C. to ?66.0° C. and having excellent handling, and a technique for using the cold storage material composition are provided. The cold storage material composition contains lithium ions and bromide ions in respective specific amounts, relative to 100 mol of water, and the cold storage material composition has a melting temperature in a range of ?75.0° C. to ?66.0° C.

Abstract: The present invention is directed to an undrawn multifilament including 30 or more individual filaments. In the undrawn multifilament, the individual filaments contain a poly(3-hydroxyalkanoate) resin and a nucleating agent, the mean of the finenesses of the individual filaments is 30 dtex or less, and the coefficient of variation of the finenesses of the individual filaments is 33% or less.