Abstract: A cover, a fluid end and a plunger pump are provided. The cover includes: a body, the body being cylindrical, and the body including a first end, a second end, and a side surface connecting the first end and the second end; a main flow channel extending along an axis of the body; a plurality of subsidiary flow channels, each of the plurality of subsidiary flow channels being communicated with the main flow channel; a first opening, located at the first end and communicated with the main flow channel; and a plurality of second openings, located at the side surface of the body; each of the plurality of subsidiary flow channels being communicated with at least one of the plurality of second openings.

Abstract: The present invention provides an isolated gene and promoter for regulating the branch numbers of soybean, so as to regulate the branch numbers of soybean, thereby improving the yield of soybean. The present invention will have a great theoretical and practical value in soybean high-yield breeding and related application research.

Abstract: A valve seat, a plug valve, and a fracturing manifold are provided. The valve seat includes a sealing valve seat in an annular shape and a mounting valve seat in an annular shape. The sealing valve seat includes a sealing valve seat inner hole, and the mounting valve seat includes a mounting valve seat inner hole. The sealing valve seat is nested inside the mounting valve seat, and the sealing valve seat inner hole communicates with the mounting valve seat inner hole. In axial and radial directions of the sealing valve seat inner hole, or axial and radial directions of the mounting valve seat inner hole, an outer surface of the sealing valve seat abuts against an inner surface of the mounting valve seat.

Abstract: A plunger, a hydraulic end and a plunger pump are disclosed. The plunger includes a plunger body, the plunger body includes a flow channel; a first liquid inlet hole is located in the plunger body and passes through the sidewall of the plunger body; the plunger body includes a first end portion and a second end portion, a flow channel extends from the first end portion to the second end portion, a part of the flow channel close to the first end portion is closed, the flow channel extends to the second end portion and forms a first opening, the first liquid inlet hole is communicated with the flow channel, the first valve assembly is located at the first opening, and is configured to allow fluid to flow out from the flow channel at the first opening and prevent fluid from flowing back to the flow channel from outside.

Abstract: A fluid splitter, a fluid end, and a plunger pump are provided. The fluid splitter includes: a body having a shape of column and including a first end, a second end, and a side surface connecting the first end and the second end; a first opening, located at the side surface of the body; a first cavity, located at the first end; a first channel, communicated with the first opening and the first cavity, respectively, the first channel extending from the first opening to the first cavity and being configured to allow fluid to flow therethrough; a second opening, located at the side surface of the body; a second cavity, located at the second end; and a second channel, communicated with the second opening and the second cavity, respectively, the second channel extending from the second opening to the second cavity and being configured to allow fluid to flow therethrough.

Abstract: A fracturing transportation system, which includes a high-low pressure manifold skid, including a plurality of first high-pressure input ends and a first high-pressure output end; a plurality of first high-pressure pipes, arranged in one-to-one correspondence with the first high-pressure input ends, an end of one first high-pressure pipe is directly connected with a corresponding one of the first high-pressure input ends, and another end of the first high-pressure pipe is configured to be directly connected with an output end of a fracturing device; and a second high-pressure pipe, an end of the second high-pressure pipe is directly connected with the first high-pressure output end; the first high-pressure pipe and the second high-pressure pipe are configured to bear a pressure greater than or equal to 100 MPa, and at least one of the first high-pressure pipe and the second high-pressure pipe adopts a high-pressure flexible pipe.

Abstract: A flexible pipe end portion connection structure is provided. The flexible pipe end portion connection structure includes a flexible pipe body and a joint. The joint includes a first end and a second end opposite to each other and has a channel extending through the joint in a direction from the first end to the second end. An inner sidewall of the first end of the joint has a plurality of first stepped structures, and an inner diameter of a portion of the channel corresponding to the first stepped structure gradually decreases in the direction from the first end to the second end. At least a part of an end of the flexible pipe body is inserted into the first end of the joint to fit with the first stepped structure.

Abstract: A cover, a fluid end and a plunger pump are provided. The cover includes: a body, the body being cylindrical, and the body including a first end, a second end, and a side surface connecting the first end and the second end; a main flow channel extending along an axis of the body; a plurality of subsidiary flow channels, each of the plurality of subsidiary flow channels being communicated with the main flow channel; a first opening, located at the first end and communicated with the main flow channel; and a plurality of second openings, located at the side surface of the body; each of the plurality of subsidiary flow channels being communicated with at least one of the plurality of second openings.

Abstract: A plunger, a hydraulic end and a plunger pump are disclosed. The plunger includes a plunger body, the plunger body includes a flow channel; a first liquid inlet hole is located in the plunger body and passes through the sidewall of the plunger body; the plunger body includes a first end portion and a second end portion, a flow channel extends from the first end portion to the second end portion, a part of the flow channel close to the first end portion is closed, the flow channel extends to the second end portion and forms a first opening, the first liquid inlet hole is communicated with the flow channel, the first valve assembly is located at the first opening, and is configured to allow fluid to flow out from the flow channel at the first opening and prevent fluid from flowing back to the flow channel from outside.

Abstract: A fluid splitter, a fluid end, and a plunger pump are provided. The fluid splitter includes: a body having a shape of column and including a first end, a second end, and a side surface connecting the first end and the second end; a first opening, located at the side surface of the body; a first cavity, located at the first end; a first channel, communicated with the first opening and the first cavity, respectively, the first channel extending from the first opening to the first cavity and being configured to allow fluid to flow therethrough; a second opening, located at the side surface of the body; a second cavity, located at the second end; and a second channel, communicated with the second opening and the second cavity, respectively, the second channel extending from the second opening to the second cavity and being configured to allow fluid to flow therethrough.

Abstract: A fabric care composition and process for using the composition to treat fabrics are provided. The fabric care composition comprises a sucrose ester, a cationic polysaccharide and a dispersing medium, wherein the charge density of the cationic polysaccharide is from about 0.05 to about 5.5 meq/gram. Optionally, deposition agents and adjunct materials may also be included. The present compositions are used to treat fabrics to impart one or more of the following benefits tot eh treated fabrics: improved fabric softness, wrinkle reduction after drying, ease of ironing, in-wear shape retention, fabric elasticity, fabric tensile strength, fabric tear strength, and/or color protection.

Abstract: A process extracts liquid from a fabric having a first content of liquid through the use of a mechanical extraction means and penetration of a surfactant monolayer created at the air-liquid interface of the first liquid contained in the fabric by a surfactant penetrant.

Abstract: Systems and methods useful for treating a fabric article with a composition comprising polyol-based fabric care materials and a dispersing medium. The dispersing medium is a liquid at room temperature and has a flash point of greater than about 65° C. Specifically, the composition may be dispensed to treat fabric articles in an appliance during the fabric article drying process.

Abstract: Fabric conditioning compositions comprising a fabric care active and a hueing dye, wherein the hueing dye exhibits a hueing efficiency of at least about 20 according to the Hueing Efficiency Test method; and a Wash Removal Value from about 50% to about 98%, are useful in mitigating the discoloration of white and other light colored fabrics.

Abstract: A composition comprises polyol-based fabric care materials, particularly esterified saccharides. The composition further comprises deposition agents, dispersing medium, and optional adjunct ingredients. The compositions of the present invention are used to treat fabrics to provide one or more of the following benefits: fabric softness, wrinkle reduction after drying, ease of ironing, in-wear shape retention, fabric elasticity, fabric tensile strength, fabric tear strength, and color protection. Various products containing the composition and methods for using the composition are also disclosed.

Abstract: Fabric care compositions comprise aminosilicone having an amino content ratio defined by a ratio of the amine containing units to the total number of units, wherein the amino content ratio is from about 1:11 to about 1:269, emulsifier, and fabric softening active. The aminosilicone materials in fabric care compositions can provide a number of benefits including improved fabric softness, wrinkle reduction after drying, ease of ironing, in-wear shape retention, fabric elasticity, fabric tensile strength, fabric tear strength, and/or color protection. A process of making an aminosilicone emulsion comprises the step of mixing an aminosilicone having an amino content ratio of from about 1:11 to about 1:269 with a cationic emulsifier. The invention further relates to a process of making the fabric care compositions.

Abstract: Systems and methods useful for treating a fabric article with a composition comprising polyol-based fabric care materials and a dispersing medium. The dispersing medium is a liquid at room temperature and has a flash point of greater than about 65° C. Specifically, the composition may be dispensed to treat fabric articles in an appliance during the fabric article drying process.

Abstract: A fabric article treating system, including the apparatus and the process, to provide improved fabric cleaning, fabric appearance and/or fabric care benefits. More particularly, the present system provides an effective delivery of detergent actives and rinse actives by depositing the actives directly upon a fabric article being treated. The detergent composition and fabric care composition suitable for use in such apparatus and process are also provided. The system is water-saving and energy efficient, compared to conventional immersive aqueous laundry system.

Abstract: The present invention relates to the establishment of an in vitro cell culture system for culturing the whole HCV proliferating virus by using molecular biology and gene recombinant technology. Said method comprises the step of amplifying from the serum of HCV patients the full-length HCV genome comprising the 98 nucleotides at the 3′ end of the genome; site-specific mutating the NS5A and NS5B of HCV genome; inserting a marker gene IRES-GFP expression cassette into the NS5B 3′ end in the mutated HCV genome; and transfecting the sensitive cells and culturing, to obtain the infectious HCV offspring virus.

Abstract: The present invention relates to laundry detergent compositions which can optionally comprise bleach, said compositions comprising a fabric enhancement system, said fabric enhancement system comprising one or more modified polyamine compounds.