Abstract: The present invention relates to a ventilating and blanking device for a coal storage Eurosilo. The ventilating and blanking device includes a top blanking pipe, an axial flow fan and a baffle door, the top blanking pipe including a first pipeline and a second pipeline, an air supply pipe is connected to a side wall of the second pipeline, and the baffle door is connected to a driving mechanism; during blanking, the driving mechanism drives the baffle door so as to make the baffle door close the air supply pipe and the axial flow fan is shut off; and during ventilation, the driving mechanism drives the baffle door so as to make the baffle door close the first pipeline, and the axial flow fan is turned on. Compared with the prior art, the present invention has the advantages of ventilation efficiency, good ventilation effect, etc.

Abstract: Provided are a class of benzimidazole compounds and an application thereof as a 300/CBP inhibitor. Specifically, provided are a compound represented by formula (P) and a pharmaceutically acceptable salt thereof.

Abstract: Provided in the present disclosure are a lithium-rich manganese-based positive electrode material for use in a lithium-ion battery, a preparation method for the material, a positive electrode tab, the lithium-ion battery, and an electric vehicle. The lithium-rich manganese-based positive electrode material provides increased structural stability in a charging-discharging cycle, is not prone to experiencing an expansion or contraction that causes grain boundary stress imbalance, is not prone to undergoing a side reaction with an electrolytic solution, and is easy to industrialize; moreover, the lithium-ion battery made with the material provides great cycle performance, great rate performance, and great commercial prospect.

Abstract: A positive electrode material and a preparation method therefor, a lithium-ion battery, and an electric vehicle. The positive electrode material comprises: matrix particles, materials forming the matrix particles comprising at least one of a lithium-rich manganese-based material, lithium nickel cobalt manganese oxide, lithium nickel cobalt aluminum oxide, lithium iron phosphate, lithium manganate, lithium nickel cobalt manganese aluminate, and lithium nickel manganate; and a housing, the housing covering at least a portion of the outer surfaces of the matrix particles.

Abstract: A lithium-rich manganese-based positive electrode material and a preparation method therefor and an application thereof. The positive electrode material comprises a matrix (10) and a coating layer (20). The coating layer (20) coats the matrix (10). The matrix (10) comprises Li1+?Ni?M?O2-?F? and Li2+??M?O3-??F??. The coating layer (20) comprises M???O?? and M????O???. The lithium-rich manganese-based positive electrode material can improve both the rate performance and cycle life of the positive electrode material.

Abstract: Disclosed are an aluminum-coated precursor and a preparation method therefor. The aluminum coated precursor has a chemical formula of xMCO3(1-x).Al(OH)3, wherein M is at least one of nickel, cobalt and manganese, and x is 0.995-0.999. The aluminum-coated precursor has the advantages of a controllable particle size and uniform particle size distribution, a high degree of sphericity, a smooth particle surface, a high tap density, not easily breaking, and an excellent electrochemical performance and energy density.

Abstract: Provided in the present disclosure are a positive electrode material used for a lithium ion battery. The positive electrode material comprises substrate particles, a first cladding layer that covers the substrate particles, and a second cladding layer that covers the first cladding layer; the substrate particles contain LiNixMny CozM1-x-y-zO2; the first cladding layer contains lithium cobalt oxide; and the second cladding layer contains an oxide of a transition metal.

Abstract: The present disclosure provides a cathode material and a method for preparing the cathode material, a cathode, a lithium ion battery and a vehicle. The cathode material comprises a matrix particle, wherein the matrix particle is a monocrystal particle comprising nickel lithium manganate and nickel cobalt lithium manganate. A position in the matrix particle close to a surface layer is provided with a buffer layer. A content of at least one of elements Ni, Co and Mn in the buffer layer is lower than contents thereof in other positions of the matrix particle. The cathode material has at least one of advantages of relatively high specific capacity, cycling stability, better safety performance and the like, and the buffer layer can alleviate erosion by an electrolyte and inhibit separation of active oxygen.

Abstract: The present disclosure provides a lithium-rich carbonate precursor, a preparation method therefor, and an application thereof. The lithium-rich carbonate precursor has a solid spherical structure, and the chemical formula of the lithium-rich carbonate precursor is NixCoyMn(1?x?y)CO3. The precursor has the advantages of having controllable particle size, uniform particle size distribution, high sphericity, high tap density, good fluidity, and excellent electrochemical performance and energy density.

Abstract: An inclined magnetic holder comprises a magnetic base and a centrifuge tube support plate. The centrifuge tube support plate has centrifuge tube support holes. The magnetic base comprises a first bottom plate, a fixing plate, and two first-side support plates. Respective top portions of the two first-side support plates are provided with a position-locating slot. Two ends of the centrifuge tube support plate are respectively provided with a position-locating protruding block. The centrifuge tube support holes are evenly and linearly distributed on the centrifuge tube support plate. An elastic circular engagement component for holding a centrifuge tube is provided inside the centrifuge tube support holes. A block magnet is fixed to the fixing plate below and corresponding to each of the centrifuge tube support holes. A north pole or south pole surface of the block magnet faces the centrifuge tube and is parallel to an axis of the centrifuge tube.

Abstract: The present invention provides a magnetic bead purification system, including: a housing; a liquid path treatment system provided inside the housing, the liquid path treatment system being connectable to a reagent barrel and a waste liquid barrel; a sample addition needle group connected to the liquid path treatment system, the sample addition needle group being movable within the housing and connected to the liquid path treatment system, so as to receive a reagent from the liquid path treatment system or to discharge a waste liquid to the liquid path treatment system; a purification magnetic separation system, including a magnetic element, the purification magnetic separation system being controllable to apply a lateral magnetic force to a purification treatment position inside the housing or stop the application of the magnetic force by the magnetic element; and a purification station system movable between a purification treatment position inside the housing and a loading position outside the housing, the

Abstract: An inclined magnetic holder is disclosed, comprising a magnetic base and a centrifuge tube support plate. The centrifuge tube support plate is provided with centrifuge tube support holes. The magnetic base comprises a first bottom plate, a fixing plate provided on the first bottom plate, and two first-side support plates respectively provided at two sides of the fixing plate. Respective top portions of the two first-side support plates are provided with a position-locating slot. A bottom surface of the position-locating slot is configured with an inclined angle. Two ends of the centrifuge tube support plate are respectively provided with a position-locating protruding block for fitting and assembling into the position-locating slot. The centrifuge tube support holes are evenly and linearly distributed on the centrifuge tube support plate. An elastic circular engagement component for holding a centrifuge tube is provided inside the centrifuge tube support holes.

Abstract: A maintenance-free and self-lubricant slide bearing comprising a metal support, an intermediate adhesive layer applied directly thereto and a sliding layer based on UHMWPE. The bearing laminate is characterized by a high peel-strength and does not require a surface pre-treatment of the metal support to achieve a strong bonding of the UHMWPE sliding layer to the metal support. The preferred adhesive in the intermediate layer is an anhydride-grafted polyethylene. The invention further includes a process of making the bearing laminate.