Abstract: Disclosed is a polycyclic azide desulfurizer, including the following raw materials in parts by mass: 20-35 parts of an alcohol amine, 20-35 parts of an amide, and an aldehyde, which is 10-15 parts of a small-molecule aldehyde or 20-35 parts of a polyaldehyde. Also disclosed is a method for synthesis of the polycyclic azide desulfurizer, including: mixing an alcohol amine with an amide and stirring, heating, adding a catalyst I dropwise, and performing reaction to obtain a monocyclic triazine, heating the monocyclic triazine, mixing with a polyaldehyde and stirring, adding a catalyst II dropwise, and performing coupling while stirring; alternatively, mixing a small-molecule aldehyde with an amide and stirring, heating, adding a catalyst I dropwise, and performing reaction, adding an alcohol amine, adding a catalyst II dropwise, and performing coupling while stirring; and separating a by-product from a product obtained after the coupling out, and purifying the product.

Abstract: A heterojunction solar cell and a preparation method therefor. The heterojunction solar cell comprises: a semiconductor substrate layer; and a back composite transparent conductive film located on one side of the semiconductor substrate layer. The back surface composite transparent conductive film comprises: a first back surface transparent conductive film; and a second back transparent conductive film located on the side surface of the first back transparent conductive film facing away from the semiconductor substrate layer. Both the first back transparent conductive film and the second back transparent conductive film are doped with group III heavy atoms, and the concentration of the group III heavy atoms in the second back transparent conductive film is less than that of the group III heavy atoms in the first back transparent conductive film.

Abstract: This disclosure pertains to the field of nanotechnology. The disclosure provides methods of preparing nanostructures using in situ prepared zinc dioleate and/or a metal halide. The nanostructures have high quantum yield, narrow emission peak width, tunable emission wavelength, and colloidal stability. Also provided are nanostructures prepared using the methods. And, nanostructure films and molded articles comprising the nanostructures are also provided.

Abstract: The present invention is directed to a solid composition comprising: antigen particles comprising virus like particles (VLPs) adsorbed on adjuvant particles.

Abstract: A heterojunction cell and a method for preparing same. The heterojunction cell comprises: a semiconductor substrate layer; and an intrinsic semiconductor composite layer, wherein the intrinsic semiconductor composite layer is located on the surface of at least one side of the semiconductor substrate layer, and the intrinsic semiconductor composite layer comprises: a bottom intrinsic layer; and a wide-band-gap intrinsic layer, which is located on the surface of the side of the bottom intrinsic layer that is away from the semiconductor substrate layer, the band gap of the wide-band-gap intrinsic layer being greater than the band gap of the bottom intrinsic layer. The band gap of a wide-band-gap intrinsic layer is larger, and when sunlight irradiates a heterojunction cell, photons, the energy of which is less than that of the band gap of the wide-band-gap intrinsic layer, cannot be subjected to parasitic absorption.

Abstract: Aspects of the invention are directed to arginine-free polypeptide-containing compositions and methods for treating disorders associated with inflammation or the autoimmune response. In particular, the polypeptide is etanercept.

Abstract: An illustrative example fuel cell component includes a plate with a plurality of flow channels in at least one side of the plate. Each of the flow channels has a length between an inlet and an outlet. Each of the flow channels has a width and a depth, which are transverse to the length. At least some of the flow channels include a portion near the inlet and the width or the depth of the portion is greater than the width or depth along a majority of the length of those flow channels.

Abstract: Some embodiments of the present disclosure provide a material intake device and a urea preparation machine. The material intake device includes a housing, an inlet port is provided at a first end of the housing, and an outlet port is provided at a second end of the housing, and the housing is further provided with an exhaust port used for exhausting an air in the housing; a separation plate is provided within the housing to isolate the inlet port from the exhaust port, an air inlet duct and an exhaust ductexhaust duct are formed respectively between the separation plate and sidewalls of the housing, the exhaust port is communicated with the exhaust ductexhaust duct, and an overflow port connecting the air inlet duct to the exhaust ductexhaust duct is provided between a bottom of the separation plate and the sidewalls of the housing.

Abstract: An illustrative example fuel cell assembly includes a plurality of fuel cells arranged in a stack including a first end fuel cell near a first end of the stack and a second end fuel cell near a second end of the stack. Each of the fuel cells includes a matrix containing an electrolyte, an anode and a cathode on opposite sides of the matrix, and respective flow fields adjacent the anode and the cathode. An electrolyte supply associated with the anode flow field of the first end fuel cell includes a porous material containing electrolyte. An electrolyte collector associated with the cathode flow field of the second end fuel cell includes a porous material configured to collect electrolyte from at least the cathode of the second end fuel cell.

Abstract: An illustrative example fuel cell component includes a plate with a plurality of flow channels in at least one side of the plate. Each of the flow channels has a length between an inlet and an outlet. Each of the flow channels has a width and a depth, which are transverse to the length. At least some of the flow channels include a portion near the inlet and the width or the depth of the portion is greater than the width or depth along a majority of the length of those flow channels.

Abstract: Aspects of the invention are directed to arginine-free polypeptide-containing compositions and methods for treating disorders associated with inflammation or the autoimmune response. In particular, the polypeptide is etanercept.

Abstract: An illustrative example fuel cell device includes a cell stack assembly of a plurality of fuel cells that each include an anode and a cathode. A pressure plate is situated near one end of the cell stack assembly. An intermediate component is situated between the end of the cell stack assembly and the pressure plate. The intermediate component includes a porous material in at least two fluid reservoirs and a barrier between the two fluid reservoirs to prevent fluid communication between the reservoirs.

Abstract: Some embodiments of the present disclosure provide a material intake device and a urea preparation machine. The material intake device includes a housing, an inlet port is provided at a first end of the housing, and an outlet port is provided at a second end of the housing, and the housing is further provided with an exhaust port used for exhausting an air in the housing; a separation plate is provided within the housing to isolate the inlet port from the exhaust port, an air inlet duct and an exhaust ductexhaust duct are formed respectively between the separation plate and sidewalls of the housing, the exhaust port is communicated with the exhaust ductexhaust duct, and an overflow port connecting the air inlet duct to the exhaust ductexhaust duct is provided between a bottom of the separation plate and the sidewalls of the housing.

Abstract: Aspects of the invention are directed to arginine-free polypeptide-containing compositions and methods for treating disorders associated with inflammation or the autoimmune response. In particular, the polypeptide is etanercept.

Abstract: An illustrative example fuel cell assembly includes a plurality of cells respectively including at least an electrolyte layer, an anode flow plate on one side of the electrolyte layer, and a cathode flow plate on an opposite side of the electrolyte layer. At least one cooler is situated adjacent a first one of the cells. The cooler is closer to that first one of the cells than it is to a second one of the cells. The cathode flow plates respectively include a plurality of flow channels and the anode flow plates respectively include a plurality of flow channels. The anode flow plates respectively include some of the flow channels in a condensation zone of the fuel cell assembly. The flow channels of the anode flow plate in the condensation zone of the first one of the cells have a first flow capacity. The flow channels of the anode flow plate of the second one of the cells that are in the condensation zone have a second flow capacity. The second flow capacity is greater than the first flow capacity.

Abstract: An illustrative example fuel cell assembly includes a plurality of fuel cells arranged in a stack including a first end fuel cell near a first end of the stack and a second end fuel cell near a second end of the stack. Each of the fuel cells includes a matrix containing an electrolyte, an anode and a cathode on opposite sides of the matrix, and respective flow fields adjacent the anode and the cathode. An electrolyte supply associated with the anode flow field of the first end fuel cell includes a porous material containing electrolyte. An electrolyte collector associated with the cathode flow field of the second end fuel cell includes a porous material configured to collect electrolyte from at least the cathode of the second end fuel cell.

Abstract: This disclosure pertains to the field of nanotechnology. The disclosure provides methods of preparing nanostructures using in situ prepared zinc dioleate and/or a metal halide. The nanostructures have high quantum yield, narrow emission peak width, tunable emission wavelength, and colloidal stability. Also provided are nanostructures prepared using the methods. And, nanostructure films and molded articles comprising the nanostructures are also provided.

Abstract: A urea preparation machine includes a cabinet, a stirring tank, a filtering portion, a water tank portion and a heating portion. The stirring tank is provided in the cabinet. The filtering portion is provided in the cabinet. An inlet of the water tank portion is communicated with an outlet of the filtering portion. The heating portion is provided in the cabinet, the heating portion is communicated with the outlet of the water tank portion, and an outlet of the heating portion is communicated with the stirring tank. The independent heating portion is used for heating water in the water tank portion, then the water heated by the heating portion is conveyed to the stirring tank for preparing urea, through such installation, the heating portion is capable of heating the water in the water tank portion in time.

Abstract: An illustrative example fuel cell device includes a cell stack assembly of a plurality of fuel cells that each include an anode and a cathode. A pressure plate is situated near one end of the cell stack assembly. An intermediate component is situated between the end of the cell stack assembly and the pressure plate. The intermediate component includes a porous material in at least two fluid reservoirs and a barrier between the two fluid reservoirs to prevent fluid communication between the reservoirs.

Abstract: An illustrative example fuel cell assembly includes a plurality of cells respectively including at least an electrolyte layer, an anode flow plate on one side of the electrolyte layer, and a cathode flow plate on an opposite side of the electrolyte layer. At least one cooler is situated adjacent a first one of the cells. The cooler is closer to that first one of the cells than it is to a second one of the cells. The cathode flow plates respectively include a plurality of flow channels and the anode flow plates respectively include a plurality of flow channels. The anode flow plates respectively include some of the flow channels in a condensation zone of the fuel cell assembly. The flow channels of the anode flow plate in the condensation zone of the first one of the cells have a first flow capacity. The flow channels of the anode flow plate of the second one of the cells that are in the condensation zone have a second flow capacity. The second flow capacity is greater than the first flow capacity.