Abstract: Disclosed in the present disclosure is a method for preparing 2,3,3,3-tetrafluoropropene. The method includes a two-step method for preparing 2,3,3,3-tetrafluoropropene, a method for co-producing 2,3,3,3-tetrafluoropropene and 1-chloro-2,3,3,3-tetrafluoropropene, and a method for co-producing 2,3,3,3-tetrafluoropropene and 1-chloro-3,3,3-trifluoropropene. The two-step method for preparing 2,3,3,3-tetrafluoropropene includes: A1, a telomerization step: subjecting chlorofluoromethane and trifluoroethylene to a pressure telomerization reaction under the action of a telomerization catalyst to prepare 3-chloro-1,1,1,2-tetrafluoropropane, wherein the telomerization catalyst is a Lewis acid catalyst or a mixed catalyst of a Lewis acid catalyst and dichloromethane; and A2, a dehydrochlorination step: subjecting the 3-chloro-1,1,1,2-tetrafluoropropane to dehydrochlorination under the catalytic action of activated carbon to obtain 2,3,3,3-tetrafluoropropene.

Abstract: A method for monitoring defects of a product implemented in an electronic device obtains product data in real time and determines whether a product is defective based on the product data; when the product is defective, outputting first warning information based on the number of defects of the product which satisfy a first preset condition; obtaining a rate of defects of the product every first preset time period, and outputting second warning information based on the rate of defects of the product when the rate of defects satisfies at least one of a second, third, and fourth preset conditions; when any warning information is output, analyzing distribution of the defects of the product; and predicting at least one cause of each defect of the product according to historical maintenance data of the product and a self-learning record of the electronic device.

Abstract: The invention provides a gravity heat pipe having a working fluid selected from the group consisting of HFO-1234ze(Z), HFO-1234ze(E), HFO-1336mzz(Z), HFO-1336mzz(E), HFO-1224yd(Z), HFO-1233zd(E), and a mixture thereof. The heat pipes of the invention are environmentally friendly, have good cooling performance and low manufacturing costs, and are suitable for cooling of communication base stations, servers, or data centers.

Abstract: The embodiments of the present disclosure provide a method and an apparatus for determining an oil output quantity and a gas output quantity of a shale oil in-situ conversion, wherein the method comprises: obtaining a plurality of groups of shale samples of a target stratum of a target area; determining, according to the plurality of groups of shale samples, a first retained oil quantity, a first retained gas quantity, a Ro parameter, an oil output quantity, a gas output quantity, a second retained oil quantity, and a second retained gas quantity of each group of shale samples in the plurality of groups of shale samples under each preset temperature; building an oil output quantity model and a gas output quantity model according to the above data to determine an oil output quantity and a gas output quantity of the target area.

Abstract: Embodiments of the present disclosure disclose a shale oil in-situ lightening development method, apparatus and system, wherein the method comprises: determining an effective shale interval according to an interval with a total organic carbon greater than a first lower limit value in a target stratum; determining a favorable region for shale oil in-situ lightening development according to a thickness of the effective shale interval and an effective layer thickness ratio, wherein the effective layer thickness ratio includes a ratio of the thickness of the effective shale interval to a thickness of a shale section, and the shale section includes the effective shale intervals and interlayers therebetween. By utilizing the embodiments of the present disclosure, the benefit of the shale oil in-situ lightening development can be improved.

Abstract: Disclosed is a composition comprising: (A) at least one fluorine-containing ketone; and (B) an effective amount of stabilizer which is selected from at least one of the group consisting of an epoxy compound, a nitro compound, a hindered phenolic compound, a ?-diketone compound, a phosphite compound, a salicylate compound, a cinnamate compound, a hydroxybenzophenone compound, a hydroxybenzoic acid compound, an alkoxy methane compound, and an organic thio compound. The composition provided by the present invention has stable performance, and can be used as a fire extinguishing agent, a heat transfer medium, etc.

Abstract: The invention provides a prediction method for a shale oil and gas sweet spot region, a computer device and a computer readable storage medium, wherein the method comprises: acquiring an oil and gas content influencing parameter value, an oil and gas fluidity influencing parameter value and a compressibility influencing parameter value, and production cost data; determining a final produced oil equivalent corresponding to each influencing parameter value according to a pre-established final produced oil equivalent prediction model; determining an economic lower limit value of the final produced oil equivalent according to the production cost data; determining whether or not the shale oil and gas region to be predicted is a shale oil and gas sweet spot region. The above technical solution realizes quantitative prediction of a shale oil and gas sweet spot region, improves prediction accuracy, and provides scientific guidance for shale oil and gas exploration and development.

Abstract: The embodiments of the present disclosure disclose a method, apparatus and system for determining sweet spot region for shale oil in-situ conversion development. The method comprises: determining an output oil and gas potential index according to a Total Organic Carbon (TOC), a Hydrogen Index (HI) and a shale density; determining a heated shale section according to the output oil and gas potential index and corresponding lower limit value of the oil and gas potential index that is determined according to a well arrangement mode and a shale vitrinite reflectance; determining an output quantity according to a thickness and an area of the heated shale section and data of the output oil and gas potential index; determining a Return on Investment (ROI) according to the output quantity and an invested cost; and determining a sweet spot region for shale oil in-situ conversion development by using the ROI.

Abstract: Embodiments of the present disclosure disclose a shale oil in-situ lightening development method, apparatus and system, wherein the method comprises: determining an effective shale interval according to an interval with a total organic carbon greater than a first lower limit value in a target stratum; determining a favorable region for shale oil in-situ lightening development according to a thickness of the effective shale interval and an effective layer thickness ratio, wherein the effective layer thickness ratio includes a ratio of the thickness of the effective shale interval to a thickness of a shale section, and the shale section includes the effective shale intervals and interlayers therebetween. By utilizing the embodiments of the present disclosure, the benefit of the shale oil in-situ lightening development can be improved.

Abstract: The embodiments of the present disclosure provide a method and an apparatus for determining an oil output quantity and a gas output quantity of a shale oil in-situ conversion, wherein the method comprises: obtaining a plurality of groups of shale samples of a target stratum of a target area; determining, according to the plurality of groups of shale samples, a first retained oil quantity, a first retained gas quantity, a Ro parameter, an oil output quantity, a gas output quantity, a second retained oil quantity, and a second retained gas quantity of each group of shale samples in the plurality of groups of shale samples under each preset temperature; building an oil output quantity model and a gas output quantity model according to the above data to determine an oil output quantity and a gas output quantity of the target area.

Abstract: Disclosed is a composition comprising: (A) at least one fluorine-containing ketone; and (B) an effective amount of stabilizer which is selected from at least one of the group consisting of an epoxy compound, a nitro compound, a hindered phenolic compound, a ?-diketone compound, a phosphite compound, a salicylate compound, a cinnamate compound, a hydroxybenzophenone compound, a hydroxybenzoic acid compound, an alkoxy methane compound, and an organic thio compound, The composition provided by the present invention has stable performance, and can be used as a fire extinguishing agent, a heat transfer medium, etc.

Abstract: The present invention provides an aqueous pharmaceutical composition comprising the fusion protein whose amino acid sequence is set forth as SEQ ID No:1 and an aqueous solution comprising 40 to 60 mM sodium phosphate. The present invention further provides a lyophilized pharmaceutical composition, an reconstituted solution, a sealed package comprising the lyophilized pharmaceutical composition, and a vial comprising the lyophilized pharmaceutical or the reconstituted solution. The present invention also provides a method of producing the lyophilized pharmaceutical composition and the sealed package. The present invention also provides a method of treating a human having cocaine seeking behavior, and methods of using the aqueous pharmaceutical composition and lyophilized pharmaceutical composition.

Abstract: Described herein are compositions and methods for treating, preventing and ameliorating diseases and conditions characterized by a lower than normal white blood cell count, such as leukopenia and neutropenia. The compositions and methods include recombinant human albumin-human granulocyte colony stimulating factor. Pharmaceutical formulations including the recombinant fusion protein, and methods of making such formulations are also described.

Abstract: The present invention provides an aqueous pharmaceutical composition comprising the fusion protein whose amino acid sequence is set forth as SEQ ID No:1 and an aqueous solution comprising 40 to 60 mM sodium phosphate. The present invention further provides a lyophilized pharmaceutical composition, an reconstituted solution, a sealed package comprising the lyophilized pharmaceutical composition, and a vial comprising the lyophilized pharmaceutical or the reconstituted solution. The present invention also provides a method of producing the lyophilized pharmaceutical composition and the sealed package. The present invention also provides a method of treating a human having cocaine seeking behavior, and methods of using the aqueous pharmaceutical composition and lyophilized pharmaceutical composition.

Abstract: The present invention provides a process for producing a lyophilized pharmaceutical composition containing a protein. The present invention further provides a product produced by the process. The present invention further provides a process for producing an injectable pharmaceutical composition. The present invention further provides a method of treating a patient with a therapeutic protein composition.

Abstract: Described herein are compositions and methods for treating, preventing and ameliorating diseases and conditions characterized by a lower than normal white blood cell count, such as leukopenia and neutropenia. The compositions and methods include recombinant human albumin-human granulocyte colony stimulating factor. Pharmaceutical formulations including the recombinant fusion protein, and methods of making such formulations are also described.

Abstract: Described herein are compositions and methods for treating, preventing and ameliorating diseases and conditions characterized by a lower than normal white blood cell count, such as leukopenia and neutropenia. The compositions and methods include recombinant human albumin-human granulocyte colony stimulating factor. Pharmaceutical formulations including the recombinant fusion protein, and methods of making such formulations are also described.

Abstract: Insulating foam or other material is disposed between an intravascular heat exchange catheter and the skin of a patient to alleviate patient discomfort arising from the catheter being hotter or colder than skin temperature.

Abstract: Insulating foam or other material is disposed between an intravascular heat exchange catheter and the skin of a patient to alleviate patient discomfort arising from the catheter being hotter or colder than skin temperature.

Abstract: An introducer sheath for a central venous catheter includes a sheath body and a temperature sensor mounted distally on the body. Either the catheter or sheath has a heat exchange region through which coolant is circulated to effect heat exchange with the body, with the coolant temperature being controlled in response to signals from the temperature sensor. Arterial dialysis heat exchange catheters and jugular bulb heat exchange catheters are also disclosed.