Abstract: The present invention relates to a pre-hydrotreatment and purification method for waste lubricating oil, the method comprising the following steps: mechanical impurities are removed from waste lubricating oil, and then the oil is subjected to flash distillation to separate free water and a portion of light hydrocarbons; a bottom product of the flash distillation column is mixed with hydrogen and a self-sulfurizing oil-soluble transition metal catalyst, and then enters a slurry bed reactor for pre-hydrotreatment; a gas product obtained by performing separation on a reaction effluent is subjected to adsorption purification and then enters a hydrogen recycle compressor for cyclic use; a liquid product obtained by performing separation on a reaction effluent is subjected to hydrocyclone separation and solvent washing to remove solid residue, and finally a purified lubricating oil component is obtained.

Abstract: Embodiments of the disclosed technologies are capable of providing engagement feedback for an online system while maintaining user privacy. Embodiments determine one or more user groups. A user group includes users, and a size of the user group is selected to protect user privacy. A user action is received from a user in a first group. The user action includes an interaction with a piece of content. A group action count is updated for the first group based on the user action. The group action count indicates a number of interactions with the piece of content by any of the users in the first group. An estimated number of unique engagements is calculated based on the group action count and the size of the first group. The estimated number of unique engagements is provided to the online system as the engagement feedback for the piece of content.

Abstract: The present invention relates to the technical field of medicine and relates to an instant release pharmaceutical preparation of an anticoagulant and a preparation method therefor. The instant release pharmaceutical preparation of an anticoagulant comprises a vicagrel compound or a pharmaceutically acceptable form thereof, the preparation is a tablet or a capsule, the vicagrel or the pharmaceutically acceptable form thereof is provided at a suitable particle size, and the D90 thereof <50 ?m. With regard to the drug-containing particles obtained by the present invention, a pharmaceutical preparation formed therefrom exhibits rapid release characteristics in an in vitro dissolution test and exhibits considerable advantages in pharmacokinetics in vivo, showing a greater degree (AUC) and rate (Cmax) of drug absorption.

Abstract: Disclosed in the present invention are an RNA replicon for improving gene expression, and a use thereof. The RNA replicon comprises: 5? and 3? untranslated regions; a non-structural protein gene coding region, a subgenomic promoter and a target gene coding region. In the present invention, a PCR site-directed mutagenesis technique is used to introduce the non-structural protein region mutant replicable RNA, which is transfected into mammalian eukaryotic cells by means of Lipofectamine 2000 or nanoparticles, so as to significantly enhance the expression of cytokines and chemokines including GM-CSF, IFN-?, IL-2, IL-12, IL-15 mediated by downstream subgenomic promoters, and can be applied to treatment of tumors, infectious diseases, autoimmune diseases, hereditary diseases or cardiovascular diseases.

Abstract: A biomimetic turtle device includes a trunk unit, a limb unit and a control unit. The control unit includes a water depth sensor which detects water depth where the biomimetic turtle device is, and a circuit module which receives the signal from the water depth sensor and determines if the biomimetic turtle device is at a target water depth position, wherein a driving mechanism or a weight adjusting mechanism is operated if the biomimetic turtle device is not at the target water depth position to vary the volume or weight of the trunk unit so as to adjust density of the trunk unit to thereby adjust a water depth position of the biomimetic turtle device.

Abstract: A biomimetic fish includes a cover structure and two housing bodies arranged in a front-rear direction, connected to each other, and rotatable relative to each other about a rotating axis that extends in an up-down direction. The cover structure includes first and second cover portions respectively formed on the housing bodies. The first cover portion has two distal end parts disposed at a distal end thereof and arranged in a left-right direction. The second cover portion has two arcuate outer surfaces respectively adjacent to the distal end parts and each having a center of curvature located on the rotating axis. At least one of the arcuate outer surfaces is connected to the respective one of the distal end parts. An intersection of the arcuate outer surfaces and the respective one of the distal end parts is located at an inner side of the respective one of the distal end parts.

Abstract: This application discloses a conductive paste, a preparation method thereof, and a preparation method of a conductive film using the conductive paste. The conductive paste comprises: a thermoplastic polyurethane, conductive particles, and an organic solvent, the thermoplastic polyurethane and the conductive particles being proportionally mixed in the organic solvent, and the thermoplastic polyurethane being dispersed in the form of particles among the conductive particles. A thermoplastic polyurethane elastomer is used as a binder, and the conductive particles are mixed in the organic solvent containing the thermoplastic polyurethane elastomer. The conductive particles ensure the conductivity of the conductive film prepared using the conductive paste. The thermoplastic polyurethane has strong adhesion ability, and is suitable for use on the surface of most substrates, to form a conductive film with good adhesion and no cracking.

Abstract: This disclosure relates to a current-to-digital converter suitable for wide-ranging current sensing applications. In particular, the current-to-digital converter comprises a delta-sigma analogue-to-digital converter which utilizes a successive-approximation-register to control a modulation of the sensed current so that the digital conversion of the modulated sensed current by the delta-sigma analogue-to-digital converter may be done with high precision.

Abstract: Novel salts, hydrates, and solvates of Compound I, and methods of making and using the same, and related dosage forms thereof, are disclosed.

Abstract: A display panel is provided. The display panel includes a display substrate and a flexible printed circuit board; the display substrate includes a display area, a binding area, and a bending area located between the display area and the binding area, the bending area is bent so that the binding area is located on a backlight side of the display area, and a support structure is provided between the displaying area and the binding area when the bending area is in a bending state; the flexible printed circuit board includes a main body part, a binding part for binding connection with the binding area, and a bending part located between the main body part and the binding part.

Abstract: Disclosed herein is a method of dispersing a self-emulsifying crosslinker including at least two steps: i) preparing an aqueous acid dispersion (I) of a self-emulsifying crosslinker, and the microstructure of liquid phase of the aqueous acid dispersion (I) is water-in-oil; and ii) adding water into the aqueous acid dispersion (I) to obtain an aqueous acid dispersion (II), and the microstructure of liquid phase of the aqueous acid dispersion (II) is oil-in-water. Additionally disclosed here is a self-emulsifying crosslinker dispersion prepared by the method and the self-emulsifying crosslinker dispersion has a Z-average particle size in a range of from 50 to 200 nm.

Abstract: This disclosure relates to the technical field of electronic devices and provides a rotating mechanism, a support apparatus, and an electronic device. The rotating mechanism includes a base, a first door panel, a first connector, and a first main swing arm. The first door panel is hinged to the base, the first connector is hinged to the first door panel, and the first connector is configured to connect a first housing. One end of the first main swing arm is hinged to the base, and the other end of the first swing arm is hinged to the first connector. When the rotating mechanism rotates between an unfolded state and a folded state, a rotation angle of the first main swing arm relative to the base is smaller than a rotation angle of the first door panel relative to the base.

Abstract: From an input image comprising a portion of text, the portion of text is extracted. The portion of text comprises text in a first natural language. The input image is classified into a candidate scene within a set of predefined scenes. The candidate scene is scored according to a quality measure. Using a predefined scene parameter of the scored candidate scene, the portion of text is translated. In the input image, the portion of text is replaced. with the translated portion of text.

Abstract: Described is an apparatus of a fifth generation (5G) Evolved Node-B (eNB) operable to communicate with a 5G User Equipment (UE) on a wireless network comprising one or more processors operable to generate one or more 5G Physical Downlink Shared Channel (xPDSCH) transmissions. The one or more processors may be operable to arrange the one or more xPDSCH transmissions for transmission through one or more respectively corresponding beamformed (Tx) beams. The one or more xPDSCH transmissions may carry one or more respectively corresponding 5G System Information Blocks (xSIBs).

Abstract: A multifunctional rotary blowout preventer test device and a method thereof are provided. The device includes a test box body and a rotary blowout preventer body, a base is fixedly connected inside the test box body with screws, and two first receiving blocks are fixedly connected to a top of the base with screws. Through the arrangement of the structures such as a motor and an output shaft, the motor is started, the output shaft is driven to rotate, a rotating rod is driven to rotate, a forward-rotating screw rod and a reverse-rotating screw rod are driven to rotate, a right-moving sliding block and a left-moving sliding block are driven to move.

Abstract: Provided is a traffic pattern adaptive modem (modulator-demodulator) gear control method for an electronic device. The traffic pattern adaptive modem (modulator-demodulator) gear control method includes: when a first criteria is met, on-line collecting a period of input data; executing traffic prediction; whether a second criteria is met to apply the traffic prediction is determined; when the second criteria is met, based on the traffic prediction, a modem gear is adaptively adjusted; and when the second criteria is not met, an algorithm is trained or a period is waited for continuing monitoring whether the second criteria is still met.

Abstract: Embodiments of the present disclosure provide a video editing method and apparatus, an electronic device, and a storage medium. The method comprises: creating at least one editing subtask for a video editing task; in response to a first operation for triggering a target editing subtask, obtaining an initial video material and presenting an editing interface of the target editing subtask; recording the editing operation triggered in the editing interface and presenting an indication identifier of the editing operation in the editing track; generating an editing result of the target editing subtask based on the recorded information of the editing operation and the initial video material; based on the editing result of each editing subtask of the video editing task, generating a target video as an editing result of the video editing task.

Abstract: An artificial intelligence (AI) technique to process and query data pertaining to an enterprise. A user raises a request which is processed to predict a knowledge context area based on a predetermined structure of the enterprise. The knowledge context area is predicted from multiple knowledge context areas, on the basis of the received user request and a conversation history of the user in past. Further, a knowledge database is selected from multiple knowledge databases based on the user request and the predicted knowledge context. The knowledge databases include preprocessed data from multiple data sources. The knowledge database is queried on the basis of the user request related to the knowledge context to obtain a result and the result is then displayed as an output.

Abstract: The disclosure presents a mining converged communication system. The system includes a first converged communication device and a plurality of service devices. The first converged communication device is configured to receive a first data packet from a first service device that initiates a service request in the plurality of service devices, determine a first target service device that receives the service request in the plurality of service devices, based on the first data packet, and send the first data packet to the first target service device. The first service device in the plurality of service devices includes any service device set on or under a mine, and the first target service device includes at least one service device set on and/or under the mine.

Abstract: The present invention describes a test kit for the detection of fat-soluble vitamins in serum using a method based on high performance liquid chromatography coupled with tandem mass spectrometry (HPLC-MS/MS). The internal standard (IS) solution included in the kit is based on methanol, acetonitrile and isopropyl alcohol solvents. Ammonium acetate is added to the IS solution to make it more stable and last for longer storage time. The application of this kit can significantly improve the recovery and detection sensitivity of vitamins A, E, K1 and K2 in serum without additional sample enrichment, make sample preparation process simpler and more efficient, keep processed samples stable for longer time, and lower the overall cost for more accurate and repeatable test results.