Abstract: Provided are an interaction method and apparatus in a live streaming room, a device, and a storage medium. The method comprises: in response to a trigger operation for a preset drawing entry on a live streaming room page, jumping to a graphic drawing page from the live streaming room page, a drawing trajectory set for a preset object being displayed on the graphical drawing page; when a drawing stroke on the graphic drawing page is received, matching the drawing stroke with the drawing trajectory; and if it is determined that the drawing stroke is successfully matched with the drawing trajectory, displaying prompt information about successful participation in a preset activity, the preset activity and the preset drawing entry having a correspondence.

Abstract: Described are examples for storing data on a storage device, including storing, in a live write stream cache, one or more logical blocks (LBs) corresponding to a data segment, writing, for each LB in the data segment, a cache element of a cache entry that points to the LB in the live write stream cache, where the cache entry includes multiple cache elements corresponding to the multiple LBs of the data segment, writing, for the cache entry, a table entry in a mapping table that points to the cache entry, and when a storage policy is triggered for the cache entry, writing the multiple LBs, pointed to by each cache element of the cache entry, to a stream for storing as contiguous LBs on the storage device, and updating the table entry to point to a physical address of a first LB of the contiguous LBs on the storage device.

Abstract: A device for treating a user's skin using plasma is provided. The device comprises a plasma generation assembly and a power supply. The plasma generation assembly comprises a discharge electrode including a first surface; a first dielectric material layer provided on the first surface of the discharge electrode and the first surface, a ground electrode surrounding the discharge electrode, and an insulation member spacing around the discharge electrode from the ground electrode. The power supply configured to apply power to the plasma generation assembly so that plasma is generated from the first surface of the discharge electrode to the ground electrode and between the first dielectric material layer and the user's skin.

Abstract: A quantitative evaluation method for activation energy of pyrolysis of graded diesel particulates is disclosed, relating to the technical field of diesel particulate emission. The present disclosure includes four major steps: grading of particulates, pretreatment of the particulates, thermogravimetry test for the particulates in different particle size ranges, and mathematical analysis on obtained thermogravimetric data by using a Flynn-Wall-Ozawa (FWO) formula. The particulates are collected and treated by using a micro-orifice uniform deposit impactor and a thermogravimetric analyzer, to obtain thermogravimetry/differential thermogravimetry (TG/DTG) curves of the particulates in different particle size ranges, and final activation energy values of pyrolysis of the particulates in different particle size ranges are obtained by linear fitting of the obtained data.

Abstract: The present disclosure discloses an ankle prosthesis containing zirconium-niobium alloy on oxidation layer and a preparation method thereof, the preparation method comprises: using zirconium-niobium alloy powder as a raw material, conducting a 3D printing for one-piece molding to obtain an intermediate products of the talus part and tibial part, and performing Sinter-HIP, cryogenic cooling and surface oxidation to obtain talus part and tibial part. The talus part is connected with the tibial part in a sliding mode; a bone trabeculae is respectively arranged on the lower surface of the talus body and the outer surfaces of the two first fixations, and on the upper surface of the tibial body and the outer surfaces of the two second fixations as well, so as to improve bone ingrowth.

Abstract: A storage rack and a drying device including the storage rack. The storage rack includes a frame and a support beam assembly including a connector seat, a first connector and a support beam. The connector seat is connected to the frame, and the support beam is connected to the connector seat by the first connector. The support beam is connected to the frame by the first connector and the connector seat rather than by direct welding which may cause deformation. It is ensured that the support beam can provide desirable levelness for a shelf panel to be supported thereon. In this way, good levelness of the shelf panel can be achieved at a reduced thickness thereof, resulting in a reduction in economic cost. Moreover, for a detachable shelf panel, its placement and removal can be facilitated.

Abstract: A device for preparing ultra-high purity zinc based on intelligently-controlled zone melting, including a slide platform connected with a screw through a servo control system to control movement of a heating-cooling device. A quartz tube is provided inside an induction heater to protect a melting zone. An infrared thermometer is connected to the heater, and configured to monitor temperature within the melting zone, and control power of the heater. A ring magnetic stirrer with non-contact circumferential rotation cooperates with coil to stir zinc melt. A water-cooling copper jacket is connected to two ends of the heater to cool a zinc bar, and its water inlet and outlet are connected with a water chiller. The infrared thermometer monitors temperature of the zinc bar and controls water flow of the cooling system. A lifting device is connected with a base cabinet to change inclined angle of the zinc bar.

Abstract: A computing system is provided for modeling a deployment of heterogeneous memory on a server network. The computing system receives a user input of parameters including a memory ratio of local memory to heterogeneous memory in each server, a first relative throughput when an entire dataset is in local memory on a server, and a second relative throughput when the entire dataset is in heterogeneous memory on the server. Based on these parameters, the system determines a server ratio of a number of servers in an enhanced cluster with heterogeneous memory to a number of servers in a baseline cluster without heterogeneous memory, where the enhanced cluster and the baseline cluster deliver equivalent data throughput performance. Based on the parameters and the server ratio, a server network design is generated and outputted.

Abstract: The present disclosure provides a bainite geological drilling pipe, comprising the following chemical elements in percentage by mass: 0.14-0.22% of C, 0.2-0.55% of Si, 2.1-2.9% of Mn, 0.01-0.04% of Nb, 0.015-0.04% of Al, 0.001-0.005% of B, 0<N?0.007%, with the balance being Fe and inevitable impurities, wherein a content ratio of Al to N is Al/N?3. In addition, the present disclosure further provides a manufacturing method for the bainite geological drilling pipe, comprising the following steps: (1) performing smelting and casting on molten steel to obtain a pipe blank; (2) performing heating, piercing, continuous rolling and sizing on the pipe blank to obtain a pipe body; and (3) performing two-stage air cooling on the pipe body; in first-stage air cooling, performing air circular blowing cooling on the outer surface of the pipe body, the temperature before cooling is greater than or equal to Ar/3+50° C., the cooling rate is 5-15° C./s, and cooling to a temperature range from Bs-100° C. to Bs-50° C.

Abstract: Provided are a weight-adjustable barbell, and a method for adjusting the weight of the barbell. Cam mechanisms on two sides of a barbell rod assembly have hitching parts and avoidance parts at different angles. The cam mechanisms at different positions are provided with the avoidance parts at different angles. When transmission shafts on two sides rotate at different angles, different numbers of weight plates can be hitched for weight adjustment. Wear-resistant layers are respectively arranged on two sides of bearing layers of the cam mechanisms, so that the weight plates can be prevented from being worn when in contact with the cam mechanisms.

Abstract: Detecting fine-grained similarity in image includes determining a core area of a search image by generating an image salient map from a plurality of layers of the search image and determining a connected area based on the image salient map. Feature descriptors are generated from the core area of the search image. A plurality of capsule vectors are generated from different ones of a plurality of keypoints of the feature descriptors. Capsule vectors of the search image are compared with capsule vectors of each image of the dataset to generate a top-K matrix. Similarity scores for the top-K matrix are calculated. One or more image of the dataset having fine-grained similarity with the search image are selected based a bundled similarity score for each image of the dataset. The bundled similarity score is a summation of the similarity scores of the image.

Abstract: The present disclosure provides an electronic wearable device. The electronic wearable device includes a first module having a first contact and a second module having a second contact. The first contact is configured to keep electrical connection with the second contact in moving with respect to each other during a wearing period.

Abstract: The compound as shown in formula (I) or a pharmaceutically acceptable salt or pharmaceutical composition thereof, and a preparation method therefor, and the use thereof as an MAT2A inhibitor. Ring A, ring Q, X, Y, X1, X2, L and R1 in formula (I) are as defined in the description.

Abstract: The present application discloses a class of guaianolide sesquiterpene lactone derivatives and pharmaceutical use thereof. The guaianolide sesquiterpene lactone derivative or a pharmaceutically acceptable salt thereof is shown as general formula I. In the present application, a class of novel guaianolide sesquiterpene lactone derivatives are found by structural optimization with abundant natural ingredients such as parthenolide and dehydrocostus lactone as raw materials, which derivatives have good inhibitory activity on the activation of the NLRP3 inflammasome, and the chemical stability, water solubility and oral bioavailability of which are significantly improved, and it is verified by experiments that the derivatives have inhibitory effects on the activity of the NLRP3 inflammasome and have potential pharmaceutical applications.

Abstract: Disclosed is a copper-niobium alloy for a medical biopsy puncture needle. A needle core and/or needle tube of the puncture needle are/is made of the copper-niobium alloy. The copper-chromium alloy includes the following components by mass: 5?Nb?15 and the balance of Cu. A copper alloy with designed components is obtained by combining a diamagnetic material Cu with paramagnetic Nb, and compared with existing medical stainless steel and titanium alloy, the copper alloy has greatly reduced magnetic susceptibility, and specifically, the artifact area and volume are also significantly reduced. In addition, the blank of use of the copper alloy in medical biopsy paracentesis is filled.

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: One or more systems, devices, computer program products and/or computer-implemented methods of use provided herein relate to detecting a closed ring in a three-dimensional (3D) point cloud via cycle basis. A system can comprise a memory configured to store computer executable components; and a processor configured to execute the computer executable components stored in the memory, wherein the computer executable components can comprise a filtering component that can filter a first undirected graph of a three-dimensional (3D) point cloud, by eliminating one or more edges of the first undirected graph that are longer than an adaptive threshold, wherein filtering the first undirected graph can produce a second undirected graph; and a detection component that can detect a minimum cycle basis of the second undirected graph to determine a cycle path that can traverse an irregular annular shape that is represented by the 3D point cloud.

Abstract: Methods and systems for managing memory usage in data learning operations. The method includes profiling one or more objects used for training in the data learning operation, in which the profiling includes determining an object size, a memory allocation timestamp, and a memory deallocation timestamp; and scheduling the memory usage. The scheduling includes grouping the one or more objects into the one or more groups based on the memory allocation and/or the memory deallocation timestamp of the one or more objects, and arranging the one or more objects in the one or more groups in descending order in a memory space. Two or more objects are provided in the descending order in the memory space, in which one of the objects having an earliest memory allocation timestamp is provided at a first value and the other object having a later memory allocation timestamp is provided at a second value.

Abstract: A high-thermal conductivity composite material is AlNp/ZA27 composite material, including 2%, 4%, 6%, or 8% by volume of aluminum nitride (AlN) ceramic particles and zinc-aluminium-27 (ZA27) alloy. The ZA27 alloy includes 70.52-71.08% by weight of Zn, 25.58˜27.65% by weight of Al, 1.27˜3.45% by weight of Cu, and 0.50% or less by weight of Mg. In the preparation of the high-thermal conductivity composite material, an as-cast AlNp/ZA27 composite material is subjected to homogenizing annealing and reciprocating extrusion.