Abstract: Disclosed in the present application are a negative electrode material and a preparation method therefor, a negative electrode plate and a battery. The negative electrode material has a core-shell structure, wherein the inner core is boron-doped graphite, and the shell comprises porous titanium oxide, amorphous carbon and a conductive agent. By coating the boron-doped graphite with the shell comprising the porous titanium oxide, the amorphous carbon and the conductive agent, all the components cooperate with each other, such that not only is the ion/electron transport rate of the negative electrode material significantly improved, and the conductivity improved, but intercalation of lithium ions of a lithium battery, which is formed by the negative electrode material, can also be improved, the loss of irreversible capacity of the battery is reduced, and the first efficiency and rate capability of the battery are improved.

Abstract: Provided are an endovascular-stent-based electrode array, a method for manufacturing the same, and an electrical stimulation system. The endovascular-stent-based electrode array includes a stent woven from stent woven wires. The stent woven wires include at least one first metal woven wire, each respective first metal woven wire includes an insulated segment and a conductive segment axially arranged, the insulated segment is electrically insulated from other stent woven wires and a human tissue, and the conductive segment is configured to perform at least one of: delivering a stimulation pulse to a nerve surrounding the human tissue, and sensing an electrical signal from the nerve surrounding the human tissue. A proximal end of the respective first metal woven wire is configured to be electrically connected to an external device, and a distal terminal end of the respective first metal woven wire is electrically insulated from the human tissue.

Abstract: A graphite composite negative electrode material, a preparation method therefor and an application thereof. A coating layer formed by mixing a plurality of substances is coated on the surface of graphite, the high theoretical specific capacity of titanium niobate is utilized, and carbon nanotubes and amorphous carbon are added in an auxiliary manner, the carbon nanotubes form a network structure, and the amorphous carbon stabilizes the structure of the material, which jointly improve the structural stability of the material in the charging and discharging process, and improve the first efficiency and the cycle performance of the material.

Abstract: The present invention relates to a high temperature heat exchange and heat storage unit, and mechanism and device thereof. The high temperature heat exchange and heat storage unit comprises a housing containing a plurality of solid heat storage particles. The housing has a fluid inlet on the top of the housing, and has a plurality of fluid outlets on the bottom of the housing; a plurality of overflow ports, a plurality of overflow pipes, and a heat exchange pipe is disposed inside the housing; each overflow pipe communicates with one corresponding overflow port and one corresponding fluid outlet of the housing, and a highest point of each overflow pipe is lower than the top of the housing. No sealing structure needs to be disposed at the fluid inlet of the housing, so that the high temperature heat exchange and heat storage unit is simple in structure.

Abstract: Disclosed is an IL-15 mutant fusion protein preparation. Specifically, provided is an IL-15 mutant fusion protein pharmaceutical composition. The composition comprises an IL-15 mutant fusion protein, a buffer solution, a protein stabilizer and a surfactant. The pharmaceutical composition can maintain the stability of the IL-15 mutant fusion protein in the long-term storage and transportation process of the product, and thus, the stability, safety and effectiveness of the drug are ensured.

Abstract: The present invention relates to a high temperature heat exchange and heat storage unit, and mechanism and device thereof. The high temperature heat exchange and heat storage unit comprises a housing containing a plurality of solid heat storage particles. The housing has a fluid inlet on the top of the housing, and has a plurality of fluid outlets on the bottom of the housing; a plurality of overflow ports, a plurality of overflow pipes, and a heat exchange pipe is disposed inside the housing; each overflow pipe communicates with one corresponding overflow port and one corresponding fluid outlet of the housing, and a highest point of each overflow pipe is lower than the top of the housing. No sealing structure needs to be disposed at the fluid inlet of the housing, so that the high temperature heat exchange and heat storage unit is simple in structure.

Abstract: A graphite composite negative electrode material, a preparation method therefor and an application thereof. A coating layer formed by mixing a plurality of substances is coated on the surface of graphite, the high theoretical specific capacity of titanium niobate is utilized, and carbon nanotubes and amorphous carbon are added in an auxiliary manner, the carbon nanotubes form a network structure, and the amorphous carbon stabilizes the structure of the material, which jointly improve the structural stability of the material in the charging and discharging process, and improve the first efficiency and the cycle performance of the material.

Abstract: Provided are a thermal barrier coating and a preparation method thereof, which belong to the field of coating technology. The thermal barrier coating has a double-layer coating structure, and includes an intermediate layer attached to a surface of a metal bonding layer, and a top layer, wherein the intermediate layer is formed by atmospheric plasma spraying YSZ porous microspheres, and the top layer is formed by atmospheric plasma spraying Yb—Gd codoped YSZ porous microspheres; the intermediate layer is in contact with the surface of the metal bonding layer, and the top layer is directly exposed to a high-temperature gas environment.

Abstract: The present disclosure relates to a bispecific antibody capable of specifically binding PVRIG and TIGIT, which can modulate the function of immune cells and can be used as a drug to treat diseases related to immune abnormalities, such as tumors.

Abstract: A compound as represented by formula (I) or a pharmaceutically acceptable salt thereof or a pharmaceutical composition thereof, a preparation method therefor, and the use thereof in the treatment of tumors, inflammatory diseases or autoimmune diseases.

Abstract: The invention relates to a self-resetting buckling-restrained brace, comprising a central positioning plate and secondary buckling-restrained units located on the left and right sides; the secondary buckling-restrained units each comprise a connection node, a brace core component, an outer sleeve steel pipe, a sliding load-bearing plate, a fixed load-bearing plate, a stabilization steel bar, steel frame braces, a Belleville spring and friction plates; the brace core component, the sliding load-bearing plate and the stabilization steel bar are connected in order and slide into the outer sleeve steel pipe; the middle portion of the brace core component penetrates through the outer sleeve steel pipe, and the outer end of the brace core component is fixedly connected to the connection node; the fixed load-bearing plate, the steel frame braces and the central positioning plate are connected in order, and an inner end of the stabilization steel bar penetrates through the fixed load-bearing plate; the friction plate

Abstract: The present application provides a rotation shaft mechanism for a foldable screen, a foldable screen assembly, and a foldable mobile terminal. The present application can make the foldable screen of the foldable terminal work more reliably and smoothly. It has outstanding advantages of simpler structure, easy implementation, low cost, strong reliability, long lifespan, and more application fields, and can be widely used in foldable mobile terminals.

Abstract: Provided are a thermal barrier coating and a preparation method thereof, which belong to the field of coating technology.

Abstract: Disclosed are target for screening anti-tumor drug, application use thereof and screening method therefor. Disclosed are a target for screening a drug for treating and/or preventing tumors, the target for screening the drug for treating and/or preventing tumors comprise selenoprotein; and a target for screening a drug for preventing tumor metastasis, the target for screening the drug for preventing the tumor metastasis comprising selenoprotein. Also disclosed is a method for screening a drug for treating and/or preventing tumors or a drug for preventing tumor metastasis, the method comprising: interacting a candidate drug with the selenoprotein; and screening the drug for treating and/or preventing tumors or the drug for preventing tumor metastasis according to an affinity between the candidate drug and the selenoprotein; and the candidate drug with a high affinity with the selenoprotein is taken as a candidate primarily screened drug.

Abstract: Disclosed in the present invention are a humanized antibody that can specifically bind to TNFR2, or an antigen-binding fragment thereof. The humanized antibody or antigen-binding fragment thereof can regulate the function of immune cells and can be used in a drug for treating diseases related to immune abnormalities, such as tumours.

Abstract: The present disclosure provides a spiramycin-producing strain, a carrimycin-producing strain, construction method therefor, use thereof and method for increasing the product yield thereof. The provided spiramycin-producing strain has an inactivated gene Lrp (?lrp-SP); and the strain has a preservation number of CGMCC No.16056. The provided carrimycin-producing strain has an inactivated gene Lrp (?lrp-BT); and the strain has a preservation number of CGMCC No.16055. By inactivating the gene Lrp, the yields of spiramycin and carrimycin are increased; and particularly the yield and proportion of a major component of the carrimycin, that is, 4?-O-isovalerylspiramycin III are significantly increased.

Abstract: The present application provides a rotation shaft mechanism for a foldable screen, a foldable screen assembly, and a foldable mobile terminal. The present application can make the foldable screen of the foldable terminal work more reliably and smoothly. It has outstanding advantages of simpler structure, easy implementation, low cost, strong reliability, long lifespan, and more application fields, and can be widely used in foldable mobile terminals.

Abstract: A medicament for preventing and/or treating a disease is disclosed, the disease is Alzheimer's disease, diabetes or senility; and the medicament includes a first active ingredient, and the first active ingredient includes one of carrimycin, isovalerylspiramycin I, isovalerylspiramycin II and isovalerylspiramycin III, or a combination of two or three of isovalerylspiramycin I, isovalerylspiramycin II and isovalerylspiramycin III.

Abstract: The present disclosure discloses a method for preparing a continuous fiber-reinforced ceramic matrix composite by flash sintering technology, including: placing a continuous ceramic fiber preform in a mold, adding a nano-ceramic powder, and subjecting the resultant to mechanical oscillation and press forming in sequence to obtain a green body; heating the green body to a preset temperature and applying an electric field with a preset electric field intensity, until occurrence of flash sintering; and converting a power supply from a constant voltage state to a constant current state, holding at the temperature and cooling to obtain the continuous fiber-reinforced ceramic matrix composite.