Abstract: An electric valve, including a valve body part, a valve seat part, and a valve core part. The valve core part is provided in an inner cavity of the valve body part. The valve core part comprises a valve core. The valve core comprises a lower segment portion. The valve base part comprises a first sealing portion. An end of the lower segment portion can be abutted against or separated from the first sealing portion. The valve body part comprises a bushing part. The valve core part comprises a second sealing portion. The diameter D1 of the axial projection loop of the outer edge of the second sealing portion on the cross section of the lower segment portion, the outer diameter D2 of the lower segment portion, and the inner diameter D3 of the lower segment portion, satisfy: 0.2 mm2?D1*(D2?D3)?6 mm2.

Abstract: A flow control valve, includes a valve body component, a valve seat component and a valve core component, wherein the valve seat component includes a sealing ring, a first annular protruding portion and a second annular protruding portion; the valve core component includes a valve core including a lower section portion; when the valve core abuts against the sealing ring; the first annular protruding portion includes a first inner wall portion; the second annular protruding portion includes a first outer wall portion; and when the valve core abuts against the sealing ring, the minimum inner diameter of the first inner wall portion is D1, the maximum outer diameter of the first outer wall portion is D2, the minimum inner diameter of the lower end portion is D3, and the maximum outer diameter of the lower end portion is D4, then D3?D2<2 mm, and D1?D4<2 mm.

Abstract: Provided is a fusion protein, comprising a first binding domain that specifically binds a tumor-associated antigen, and a second binding domain that specifically binds a CD47 protein, wherein the second binding domain comprises a mutant of a human SIRP? variant 1. Also provided are an immunoconjugate, nucleic acid molecules, vectors, compositions, and cells related to the fusion protein and preparation methods therefor, and the uses thereof in the preparation of medicaments.

Abstract: A sandwich-structured dielectric material for pulse energy storage is provided as well as a preparation method thereof. Employing a sandwich structure and combining the properties of ceramic-glass materials prepares a high performance dielectric material for pulse energy storage, in which the ceramic dielectric is core-shell structured powder of BaxSr1-xTiO3 coated with SiO2, and the glass material is alkali-free glass AF45, of which the chemical composition is 63% SiO2-12% BaO-16% B2O3-9% Al2O3. AF45 alkali-free glass paste is spin-coated on both sides of the ceramic and calcined to get a layer-structured material of glass-ceramic-glass.

Abstract: Provided is an antibody or an antigen-binding fragment thereof, having one or more properties selected from the group consisting of: 1) being capable of binding to an AXL protein by a KD value of 1×10?8M or lower; 2) being capable of specifically recognizing an AXL protein expressed on a cell surface; and 3) being capable of mediating internalization after binding to the AXL protein expressed on the cell surface. The antibody may further used for constructing an immunoconjugate. The antibody and the immunoconjugate may inhibit the proliferation of tumor cells.

Abstract: Provided by the present invention are a fusion protein binding to a CD47 protein and an application thereof, wherein the fusion protein is capable of binding to a CD47 protein by using a KD value of 1×10?8M or lower. The fusion protein may specifically block the interaction between a CD47 protein and SIRP? without causing a blood coagulation reaction, and may further inhibit the growth and/or proliferation of tumors or tumor cells.

Abstract: Provided is an electric valve and a manufacturing method thereof. The electric valve includes a valve body member, a valve seat member, a transmission member, a valve core member and a nut. The valve core member includes an upper tubular body including a first cavity, a valve core body and a connecting member. The valve core body is roughly in a round tubular shape and includes an annular thin wall portion and a second cavity. The connecting member includes a first axial through hole, and the upper end portion of the connecting member includes a lower stop portion. The annular thin wall portion is capable of abutting against a sealing portion of the valve seat member. A lower end portion of the nut is engageable with the lower stop portion to limit downward movement of the nut.

Abstract: Provided by the invention is an antibody or an antigen-binding fragment thereof, which binds to a CD38 protein at a KD value below 1×10-9M. The antibody or an antigen-binding fragment thereof has strong specific recognition and binding capabilities for CD38 protein, and may kill CD38+ cells by means of antibody-dependent cell-mediated cytotoxicity (ADCC), complement-dependent cytotoxicity (CDC) and/or apoptosis. Further provided by the present invention is an application of the antibody or antigen-binding fragment thereof in preventing and treating tumors.

Abstract: A magnetic stripe sensor adaptable for different automated guided vehicles and with enhanced precision of guidance includes a main body, a plurality of first assembly members, and a plurality of second assembly members. The first assembly members and the second assembly members are respectively fixed to a first and a second surface of the main body. Each assembly member defines a slot, and each second assembly member includes a guiding block. The size and shape of the guiding block matches those of the slot, allowing combinations of first and second assembly members as desired. A combined magnetic navigation sensor assembled from first and second assembly members is also disclosed.

Abstract: An electrical valve, comprising: a valve body component, the valve body component comprising a valve body and a valve cover body, the valve cover body being fixedly connected to the valve body; a valve seat component, the valve seat component comprising a valve seat body and a valve seat core, the valve seat body being fixedly connected to the valve body, the valve seat core being sleeved with a valve port protective sleeve. Due to a structurally optimised design, the electrical valve has a compact overall structure and a small size, and the positional accuracy between various functional parts is easily ensured, thereby increasing the reliability of the valve seat core.

Abstract: An electric valve and manufacturing method therefor, the electric valve including a valve body part, a valve seat part, a transmission part and a valve core part, wherein the valve core part includes a valve core body and a lower stop part; the valve core body is essentially tubular, and the valve core body is of an integrated structure and includes an annular thin wall portion; the lower stop part is arranged in an inner cavity of the valve core body, and the lower stop part comprises a lower stop portion; an upper cavity is present above the lower stop portion, a lower cavity is present below the lower stop portion, and the lower stop part includes a first axial through hole which is in communication with the upper cavity and the lower cavity.

Abstract: An electrically operated valve, comprising a valve body component, a drive component and a nut sleeve piece. The drive component comprises a magnetic rotor, a screw rod and a nut, the magnetic rotor being arranged in an inner cavity of a valve cover body, the screw rod being threadedly connected to the nut, the screw rod being incapable of movement in the axial direction with respect to a valve body. The nut sleeve piece comprises a first limiting portion which limits rotation of the nut in the circumferential direction, the cross-section of the first limiting portion being non-circular. A compact structure, which helps to reduce the size of the electrically operated valve.

Abstract: The present application teaches microphones and manufacturing methods therefor and relates to the field of semiconductor technologies. In some implementations, a method may include: providing a substrate structure, the substrate structure including a substrate and a first insulating layer covering a first part of the substrate; forming a first electrode plate layer, the first electrode plate layer covering a part of the first insulating layer; and forming a second insulating layer, the second insulating layer covering a part of a region of the first insulating layer which is not covered by the first electrode plate layer and a part of the first electrode plate layer, where when seen from the top, the first electrode plate layer and the second insulating layer form an angle, the angle exposes a second part of the substrate, and a degree ? of the angle is larger than or equal to 90° and is smaller than or equal to 180°. The present application can improve a problem of unexpected holes formed in the microphone.

Abstract: A levelness measuring system can be applied to a levelness measuring device, the device including an rail, a distance detector, and an angle detector. Both the distance detector and the angle detector are installed on the rail. The system includes a coordinate system establishing module, a distance measurement controlling module, a data fitting module, a plane equation calculating module, a first angle calculating module, an angle measurement controlling module, a second angle calculating module, and a display controlling module. A coordinate system in three dimensions is applied to an inaccessible or difficult surface such that direct contact is not required. A processor of a computer performs instructions to provide the functions of the levelness measuring system including a display.

Abstract: An electronic expansion valve includes a valve seat component, including a valve seat and a valve core seat; and a valve rod component, capable of axially moving along a core cavity of the valve core seat to open or close a valve port. The valve rod component is provided with an axial through hole communicated with the valve port and a sealing surface capable of being adhered to and sealing the valve port. The valve rod component includes a valve rod and a valve core fixedly disposed at a lower end of the valve rod. The valve rod is a cylindrical body, including a small-diameter cylinder body and a large-diameter cylinder body close to the valve port. A first gap is provided between the large-diameter cylinder body and the valve core seat, and a second gap is provided between the valve core and the valve port.

Abstract: A website scanning apparatus having a policy analysis device for determining whether a link in a target website belongs to a known web application used by the target website, if the link belongs to the identified web application, then a vulnerability scanning is not performed on the link; a crawler device for obtaining the link content that the link points to; a web application identification device for determining whether the link belongs to a known web application; a full scan device for performing a full vulnerability scanning on a link determined as not belonging to the known web application; and a known web application vulnerability detection device for performing vulnerability detection on the website for the determined identified web application according to known vulnerabilities of the identified web application to determine whether the known vulnerabilities of the identified web application exist in the website is provided.

Abstract: A direct-action-type electrically-operated valve comprises a valve base provided with a valve cavity, a motor disposed on the upper end the valve base, and a screw rod. The screw rod is fitted and connected to a nut by means of threads. The nut is connected to a spool. Axial positions of a rotor of the motor and the valve base are relatively fixed. The upper end of the screw rod is fixedly connected to the rotor. Driven by the nut, the spool moves along the axial direction of the valve cavity to open or close a valve opening disposed on the valve base. The spool is a tubular structure provided with a balancing channel, and a seal piece for dividing the valve cavity into two independent cavities is disposed on the periphery of the spool.

Abstract: A levelness measuring system can be applied to a levelness measuring device, the device including an rail, a distance detector, and an angle detector. Both the distance detector and the angle detector are installed on the rail. The system includes a coordinate system establishing module, a distance measurement controlling module, a data fitting module, a plane equation calculating module, a first angle calculating module, an angle measurement controlling module, a second angle calculating module, and a display controlling module. A coordinate system in three dimensions is applied to an inaccessible or difficult surface such that direct contact is not required. A processor of a computer performs instructions to provide the functions of the levelness measuring system including a display.

Abstract: The present application teaches microphones and manufacturing methods therefor and relates to the field of semiconductor technologies. In some implementations, a method may include: providing a substrate structure, the substrate structure including a substrate and a first insulating layer covering a first part of the substrate; forming a first electrode plate layer, the first electrode plate layer covering a part of the first insulating layer; and forming a second insulating layer, the second insulating layer covering a part of a region of the first insulating layer which is not covered by the first electrode plate layer and a part of the first electrode plate layer, where when seen from the top, the first electrode plate layer and the second insulating layer form an angle, the angle exposes a second part of the substrate, and a degree ? of the angle is larger than or equal to 90° and is smaller than or equal to 180°. The present application can improve a problem of unexpected holes formed in the microphone.

Abstract: A valve core for an electronic expansion valve includes a drive connection portion and a flow quantity adjusting portion fixedly provided below the drive connection portion. The flow quantity adjusting portion has an inverted circular truncated cone structure as a whole. A lower end of the flow quantity adjusting portion is provided circumferentially with at least one flow guiding groove running through a bottom end surface of the flow quantity adjusting portion. In addition, an electronic expansion valve having the above-mentioned valve core is further provided.