Abstract: This application relates to a sizing method and computer equipment for braided stents. The sizing method includes: obtaining geometric models of aneurysm and parent artery, determining the expected landing zone of the braided stent, obtaining the centerline and cross-section of the blood vessel at the expected landing zone; obtaining the proposed diameter of the braided stent, thereby obtaining the first braided stent that meets the expectations, obtaining the anchoring section length of the first braided stent, obtaining the working zone length; discretizing the working zone into a finite number of discrete segments, obtaining the corresponding relationship between the length and diameter of the discrete segments, obtaining the diameter of the discrete segments, obtaining the length of the discrete segments based on the corresponding relationship and accumulating them until the total length equates the working zone length, obtaining the number of discrete segments.

Abstract: Multi-carbon compounds such as ethanol, n-butanol, sec-butanol, isobutanol, tert-butanol, fatty (or aliphatic long chain) alcohols, fatty acid methyl esters, 2,3-butanediol and the like, are important industrial commodity chemicals with a variety of applications. The present invention provides metabolically engineered host microorganisms which metabolize methane (CH4) as their sole carbon source to produce multi-carbon compounds for use in fuels (e.g., bio-fuel, bio-diesel) and bio-based chemicals. Furthermore, use of the metabolically engineered host microorganisms of the invention (which utilize methane as the sole carbon source) mitigate current industry practices and methods of producing multi-carbon compounds from petroleum or petroleum-derived feedstocks, and ameliorate much of the ongoing depletion of arable food source “farmland” currently being diverted to grow bio-fuel feedstocks, and as such, improve the environmental footprint of future bio-fuel, bio-diesel and bio-based chemical compositions.

Abstract: A high-trafficability ATV for flooded and muddy roads is provided. The ATV includes a frame assembly, wheels, an engine power system, a continuously variable transmission (CVT) system, a cooling system, and a fuel system, where the cooling system includes a radiator and a radiator fan that are arranged at a front upper part of an ATV body. The radiator and radiator fan adopt a high-position design to improve the ATV's heat dissipation and wading performance. Besides, CVT intake and exhaust lines, an air filter, front and rear reducers, a gearbox, and fuel tank intake and exhaust ports also adopt a high-position design, fully leveraging the wading advantage of a suspension system of the ATV and maximizing the wading depth of the ATV.

Abstract: The invention discloses a battery swapping system for an electric vehicle, an electric vehicle and a battery swapping method for an electric vehicle, and the electric vehicle comprises two longitudinal beams, the battery swapping system comprises a battery pack and a plurality of locking mechanisms, and the plurality of locking mechanisms are respectively arranged on the two longitudinal beams, and the top of the battery pack is provided with a groove, and the groove is used for embedding the longitudinal beam, and the battery pack is provided with a plurality of locking members, and the plurality of locking members are located in the groove, and the battery pack is connected with the longitudinal beams by the plurality of locking members locked in the plurality of locking mechanisms.

Abstract: A ferrocene derivative of formula (I). In formula (I), Z is selected from O, NH and S; R1 is selected from hydrogen, methyl and halogen; each R2 is independently selected from hydrogen, halogen, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 haloalkyl, C1-C6 haloalkoxy and nitro; and n is an integer from 0 to 5. The ferrocene derivative, a salt thereof, as well as a solvate thereof have anti-tumor activity, and can be used as candidate drugs or lead compounds for treating diseases such as tumors and cancer.

Abstract: Techniques are provided for near real-time anomaly event detection and classification with trend change detection for smart water grid operation management. In the first phase, a trend change is detected in each of one or more sensors by comparing new sensor data of a sensor with a historical trend pattern of the same sensor. In the second phase, and after the trend changes are detected, a valid event evaluation time window can be determined based on combining and analyzing the detected trend changes for flow and pressure sensors, e.g., at least one flow sensor and at least one pressure sensor from the same supply zone of the smart water grid. The valid event evaluation time window can be used with anomaly events that are detected in near-real time to classify the anomaly events in near-real time as valid, e.g., true anomaly events, or invalid, e.g., false alarms.

Abstract: Disclosed is a battery swapping control system and a control method therefor. The battery swapping system comprises a control unit and a battery swapping device, wherein the control unit is used for determining a battery model applicable to an electric vehicle, and selecting a first battery placing rack and a second battery placing rack from at least one battery placing rack; and the battery swapping device serves to move to a preset battery swapping position, removes a battery with a power shortage from the electric vehicle, transports the battery with the power shortage to the second placing rack and places it in an unoccupied battery placing compartment, then moves to the first battery placing rack and removes a battery of that battery model, and transports the battery of that battery model to the preset battery swapping position and installs the battery in the electric vehicle.

Abstract: A patterned substrate for light emitting diode includes a plurality of nodes and links protruding from a base plane of the substrate and base areas on the substrate, each pair of adjacent nodes is connected by a corresponding link, respectively. The nodes and links also can be concave nodes and concave links cutting into a surface of the substrate, each pair of adjacent concave nodes is connected by a corresponding concave link, respectively.

Abstract: A light emitting device with on-chip optical power readout includes a light emitting mesa and a light detecting mesa formed adjacent to each other on the same substrate of a chip, and a portion of the light emitted from the light emitting mesa is transmitted to the light detecting mesa at least through the substrate. The light emitting mesa and the light detecting mesa have exactly the same epitaxial structure and can be electrically isolated from each other by an insulation layer, or an airgap formed therebetween, or by ion implantation. The light emitting mesa and the light detecting mesa can also share an n-type structure and a common n-electrode while having their own p-electrode, respectively.

Abstract: A tractor suspension type automatic transplanting machine for plug tray seedlings includes land wheels, a machine frame, a three-point linkage, a seedling pickup mechanism, a plug tray conveying device, a plug tray recovery device, seedling separating and planting devices driven by land wheels, and a watering device. Through front and rear drive cylinders, the seedling pickup mechanism is driven to move front and back to pick up seedlings above plug trays and release seedlings above a seedling guide device. Juxtaposed left and right seedling pickup modules in the seedling pickup mechanism are driven by left and right drive cylinders, to move left and right and pick up seedlings after combing, and to release seedlings after separating towards left and right. Plug trays fall onto a plug tray conveyor belt of the plug tray recovery device and slides into a plug-tray-recovery stacking box.

Abstract: A quick-cleaning drain for quick replacement of cleaning parts, including a drain body, the drain body is embedded with a drain core, the drain core is provided with a quick-cleaning mechanism which is quickly removable, the quick-cleaning mechanism matches a draining channel of the drain core, the quick-cleaning mechanism includes a lifting rod and a quick-cleaning member, the quick-cleaning member matches the draining channel for draining water and blocking debris in the water, the upper surface of the quick-cleaning member is provided with a connecting end, the bottom of the lifting rod is provided with an engaging end, and the engaging end matches and is removably fixed to the connecting end.

Abstract: The present application discloses a testing method and apparatus for a vehicle perception system, a device and a storage medium, and relates to data processing and, in particular to the field of artificial intelligence such as automatic driving, intelligent transportation, etc. A specific implementation scheme lies in: acquiring an actual speed and a perceptual speed of a test object, where the perceptual speed of the test object is a speed of the test object perceived by the vehicle perception system; determining, according to the actual speed of the test object and the perceptual speed of the test object, speed reporting delay time of the vehicle perception system, where the speed reporting delay time is used to reflect sensitivity of the vehicle perception system to perceive a speed of an obstacle.

Abstract: A liquid cooling plug-in assembly, a liquid cooling plug-in device, and a battery pack assembly are provided. The liquid cooling plug-in assembly includes a first fixed plate, a floating plate, at least one first elastic member, and a plurality of plug-in members, the plurality of plug-in members are all connected to the floating plate, the first fixed plate is provided with a movement cavity therein, the floating plate and the first elastic member are both located in the movement cavity, and the floating plate is in floating connection with the first fixed plate by means of the first elastic member.

Abstract: Disclosed in the present invention are a battery pack for an electric vehicle, and an electric vehicle comprising same. The battery pack for the electric vehicle comprises: a plurality of battery accommodating areas, which are arranged in a width direction of the electric vehicle, the plurality of battery accommodating areas comprising a middle accommodating area and side accommodating areas, and each battery accommodating area accommodating multiple layers of battery modules; and lock connection structures, which are used for matching locking mechanisms on the electric vehicle so as to lock the battery pack on the electric vehicle, the space in a vertical direction is fully utilized, the accommodating number of the battery modules is increased, the capacity of the battery pack is thus improved, the arrangement of the battery modules is rational, and the size of the battery pack in a horizontal direction is not increased.

Abstract: Provided are a protein containing an amino acid sequence capable of binding to a peptide fragment of a substrate GPRP, a fibrinogen-like protein 1 (FGL1) containing the amino acid sequence, and a fibrinogen domain (FD) of the FGL1, wherein a single FD protein also has a function the same as or similar to that of the FGL1. The FGL1 and FD, which have different action mechanisms from existing drugs, can inhibit fibrin assembly in the process of thrombogenesis by means of competing for fibrin substrate binding pockets. The FGL1 and FD can have a stronger affinity to the substrate by means of mutation, thereby effectively enhancing a usage effect of drugs for treating thrombus.

Abstract: The present disclosure discloses a quick-swapping battery pack and electric vehicle comprising the same, the quick-swapping battery pack is detachably provided on the longitudinal beam, the top of the quick-swapping battery pack is provided with a groove, the quick-swapping battery pack includes a battery pack box and an battery cell, the battery pack box is provided with several locking connection structures, several locking connection structures are located in the groove, the battery pack box is provided with several battery cell holding cavities for placing the battery cell, at least some of the battery cell holding cavities are distributed on both sides of the groove, the battery pack box is connected to the longitudinal beam, reducing the center of gravity of the battery pack and increasing the stability of the battery pack, and enhancing a larger space for vehicle smoothness and safety.

Abstract: A voltage conversion circuit, a control method, a power supply device, and a storage medium are provided. The circuit may include a fourth switch module, a third switch module, a first switch module, a second switch module and a ground lead which are sequentially connected in series; a first capacitor connected to a first common terminal and a second common terminal respectively; a second capacitor connected to a power output terminal and a ground lead; a driving module configured to regulate an initial duty ratio of a driving signal for each of the first to fourth switch modules, based on a capacitor voltage of both ends of the first capacitor; and an inductor connected with a power input terminal and a third common terminal respectively, or connected with the third common terminal and the power output terminal respectively.

Abstract: Discloses an electric vehicle battery swapping assembly and battery swapping station. An electric vehicle battery swapping assembly comprises a battery swapping equipment and a battery pack box, both the battery swapping equipment and the battery pack box are arranged at the bottom of the electric vehicle, and the battery pack box is removed or installed from the bottom of the electric vehicle by means of the battery swapping equipment, during the removal or installation process, the height of the electric vehicle is unchanged, and the bearing plane for carrying the battery swapping equipment and the bearing plane for carrying the electric vehicle are in the same plane. The invention does not need to lift the vehicle or dig a hole on the ground to set up the battery swapping equipment, which improves the safety of the battery swapping station and can improve the battery swapping efficiency.

Abstract: The invention discloses a lithium supplement agent, a preparation method thereof, an electrochemical device, and an electronic device. The lithium supplement includes a component A and a component B; a general chemical formula of the component A is: Li6-xM11-yN1yO4-z, wherein 0?x?5.95, 0?y?1, 0?z?2, M1 is selected from one or a plurality of Fe, Ni, Co, Cu, Al, Mn, Ti, and Si; N1 is selected from one or a plurality of Fe, Ni, Co, Cu, Al, Mn, Ti, and Si; a general chemical formula of the component B is: Li1+(a/(2+a))Mn2a/(2+a)M26/(2+a)?2O2, 0.2?a?1; the component B is at least partially located at a surface of the component A. A positive electrode material containing the lithium-supplement agent of the invention has better stability and high theoretical capacity, and is used in a lithium-ion battery to improve the energy density and cycle stability of the battery.

Abstract: The present disclosure discloses a high-pressure white-red-green-blue (WRGB) string light, including a controller and a string light main body. The controller is connected with the string light main body; the string light main body is provided with a plurality of WRGB bulbs; the controller includes a first power supply module and a main control module; the first power supply module is adapted to be connected to a mains supply to supply power to the main control module; the WRGB bulbs include a second power supply module, an auxiliary control module and a lighting module; the second power supply module is adapted to be connected to the controller or the main supply to supply power to the auxiliary control module and the lighting module; and the main control module is adapted to send a control signal to the auxiliary control module.