Abstract: The present invention relates to the field of fluid heat transfer, and discloses a heat transfer enhancement pipe as well as a cracking furnace and an atmospheric and vacuum heating furnace including the same. The heat transfer enhancement pipe (1) includes a pipe body (10) of tubular shape having an inlet (100) for entering of a fluid and an outlet (101) for said fluid to flow out; internal wall of the pipe body (10) is provided with a fin (11) protruding towards interior of the pipe body (10), the fin (11) spirally extends in an axial direction of the pipe body (10), wherein a height of the fin (11) gradually increases from one end in at least a part extension of the fin. The heat transfer enhancement pipe can reduce thermal stress of itself, thereby increasing service life of the heat transfer enhancement pipe.

Abstract: A method is applied to an electronic device, and includes: obtaining content copied by a user on a first page, and determining a category to which the content belongs; obtaining a category of a second page; matching the category of the content against the category of the second page; and if a matching result is not empty, displaying at least one operation option on the second page, where the at least one operation option has a function of performing an operation for the content on the second page, so that the electronic device directly performs the function after the user selects the operation option.

Abstract: The present disclosure provides a risk assessment method of water inrush in tunnels constructed in water-rich grounds. The method includes the following steps: simulating a tunnel excavation process by finite element software MIDAS GTS NX and fluid-structure interaction; according to a research method of control variables, analyzing effects of a groundwater level, an elastic modulus and advanced pipe shed grouting on the stability of surrounding rock, and improving an algorithm of a radial basis function (RBF) neural network using a Grey Relation Analysis (GRA)-based Partitioning Around Medoid (PAM) clustering algorithm to assess risks of water inrush occurring in Qingdao area.

Abstract: The present application describes a method and apparatus for managing a service in a service layer. In particular, a method describes a computer readable storage medium including instructions for managing a service in a service layer where the instructions are executed by a processor. The executed instructions cause the processor to receive a request to manage, via a service enabler function of the service layer, a change of state of the service including adding, removing, activating, or deactivating the service. The request may include a service description. The executed instructions also cause the processor to evaluate, via the service enabler function, the service description comprising identifiers of one or more services to manage. The executed instructions further cause the processor to identify one or more service capabilities in the service layer to assist in managing the one or more services identified in the service description.

Abstract: A display driving device configured to control a display panel including pixel units to display, includes: an over driver compensation module configured to, when a first polarity frame image is displayed, perform line over driver compensation on the pixel units based on line over driver compensation data corresponding to the first polarity frame image, to determine a target over driver grayscale of the pixel units; and to, when a second polarity frame image is displayed, perform line over driver compensation on the pixel units based on line over driver compensation data corresponding to the second polarity frame image, to determine a target over driver grayscale of the pixel units. The first and second polarity are opposite to each other, and the line over driver compensation data corresponding to the first polarity frame image is different from the line over driver compensation data corresponding to the second polarity frame image.

Abstract: The present disclosure provides a driving method for a liquid crystal display panel and a non-transitory computer storage medium. The driving method includes: for the plurality of sub-pixels, adopting a first gray-level table for displaying a picture in other frame pictures other than a first frame picture in each of the plurality of predetermined periods, the first gray-level table including a plurality of first gray-level values; and adopting a second gray-level table for displaying a picture in the first frame picture in each of the plurality of predetermined periods, the second gray-level table including a plurality of second gray-level values.

Abstract: Methods, devices, and systems for migration or sharing of existing M2M service layer sessions are disclosed. In one embodiment, a Session Migration and Sharing Function (SMSF) performs the migration or sharing of a M2M service layer session. Various forms of service layer session context may be used to enable the migration and sharing of M2M service layer sessions.

Abstract: A semiconductor device includes a semiconductor substrate, an epitaxial layer disposed on the semiconductor substrate, a cell zone including multiple unit cells disposed in the epitaxial layer opposite to the semiconductor substrate, a transition zone having a doped region and surrounding the cell zone, a source electrode unit disposed on the epitaxial layer opposite to the semiconductor substrate, and multiple gate electrode units. Each unit cell includes a well region, a source region disposed in the well region, and a well contact region extending through the source region to contact the well region. A method for manufacturing the semiconductor device is also disclosed.

Abstract: The present invention disclosure also relates to a pharmaceutical composition that ccomprises the compound as an active ingredient.

Abstract: A load balancing method for multi-thread forwarding includes determining a first thread and a second thread from a plurality of threads, where the plurality of threads are all used to process data packets in virtual network interface card queues, wherein a load of the first thread is greater than a first threshold, wherein a load of the second thread is less than a second threshold, and wherein the first threshold is greater than the second threshold; determining a first queue from a plurality of virtual network interface card queues corresponding to the first thread, where the first thread is used to process data packets in the plurality of virtual network interface card queues; and switching the first queue to the second thread, so that the second thread processes a data packet in the first queue.

Abstract: The present disclosure provides an arctigenin liquid nano-preparation and a preparation method thereof, and relates to the technical field of pharmaceutical preparation. In the present disclosure, arctigenin is prepared into a liquid nano-preparation, having advantages of distribution of a droplet diameter on nanoscale, significantly increased specific surface area, rapid absorption, and high bioavailability. Meanwhile, nano-preparation entered the body can be captured by wandering leucocytes, and a medicament is delivered to inflammatory lesions through chemiotaxis, thereby conferring a targeted drug delivery feature on the arctigenin and making a therapy more targeted. Moreover, in the present disclosure, the arctigenin is dissolved in an oil phase, and the oil phase is dissolved in water by emulsification to further make the arctigenin dissolve in the water and increase water solubility of the arctigenin.

Abstract: A method for detecting abnormal direct current voltage measurement in a modular multilevel converter high voltage direct current transmission system is provided. In the method, a valve group voltage at a detection pole is obtained, voltages at voltage measurement points at the detection pole are collected, and comparison and determination are performed based on the actual arrangement of the voltage measurement points, and then whether an abnormal measurement occurs at each of the voltage measurement points is determined.

Abstract: A method to determine the velocity of static proppant settling in fracturing fluids. The proppant carrying capability of different friction reducer products can be compared, so the appropriate friction reducer product can be selected for hydraulic fracturing operations. The effect of friction reducer concentrations in the fracturing fluids, the salinity and hardness of the fracturing fluids, and the proppant size on the velocity of static proppant settling can be studied to optimize the chemical structures of the friction reducers in the process of synthesis and optimize the hydraulic fracturing operation, e.g. to determine the proper concentration of friction reducers according to the salinity and proppant size.

Abstract: A self-calibration detection device and a temperature demodulation method oriented to a fiber Raman temperature sensing system. The self-calibration detection device comprises a fiber Raman thermodetector, thermostatic baths, a multi-mode sensing fiber, and a multi-mode reflector. The fiber Raman thermodetector comprises a pulsed laser whose output end is connected to the input end of a WDM. Two output ends of the WDM are respectively connected to input ends of a first and second APDs. Output ends of the first and second APDs are respectively connected to input ends of a first and second LNAs. Output ends of the first and second LNAs are connected to the input end of a data acquisition card whose output end is connected with the input end of a computer. The temperature demodulation method can solve the problems of low temperature measuring accuracy, lower temperature measurement stability and low temperature measurement efficiency.

Abstract: A transmission rod assembly for a height-adjustable desk comprises: a first transmission head having positioning grooves; a second transmission head having positioning blocks; an elastic piece axially limiting abutment of the first and second transmission heads, the positioning blocks positioning respective positioning grooves; a sleeve pipe having an end mounted to the second transmission head, the elastic piece being mounted in the sleeve pipe, and an end of the elastic piece abutting the second transmission head; a first transmission rod having an end protruding into the other end of the sleeve pipe and abutting the other end of the elastic piece, the sleeve pipe limiting the first transmission rod; and a locking assembly mounted on the other end of the sleeve pipe, the locking assembly limiting the sleeve pipe and clamping the first transmission rod. Thus, mounting can be completed by elastic squeeze, bringing simple structure and easy operation.

Abstract: A semiconductor device includes a semiconductor substrate, an epitaxial layer disposed on the semiconductor substrate, a cell zone including multiple unit cells disposed in the epitaxial layer opposite to the semiconductor substrate, a transition zone having a doped region and surrounding the cell zone, a source electrode unit disposed on the epitaxial layer opposite to the semiconductor substrate, and multiple gate electrode units. Each unit cell includes a well region, a source region disposed in the well region, and a well contact region extending through the source region to contact the well region. A method for manufacturing the semiconductor device is also disclosed.

Abstract: A silicon carbide metal oxide semiconductor field effect transistor device includes a substrate, an epitaxial layer, and a plurality of cell units each of which includes a first cell and a second cell that are disposed in the epitaxy layer and connected to each other in the epitaxy layer. The first cell includes a first Schottky region, a first junction field effect region, a first well region, a first well contact structure, a first source region, a first Schottky metal, a first ohmic contact metal, and a first gate structure. The second cell includes a second Schottky region, a second junction field effect region, a second well region, a second well contact structure, a second source region, a second Schottky metal, a second ohmic contact metal, and a second gate structure. In the epitaxial layer, the first junction field effect region is connected to the second Schottky region.

Abstract: This application relates to a conveyor and a baking device. A traction rope may bring an electrode plate to move in a transport space. The traction rope may be of high flexibility and can more smoothly bring the electrode plate to move in various complex environments such as an arcuate oven, thereby effectively avoiding derailment or jamming of the conveyor in the oven and conveying the electrode plate more smoothly in the oven.

Abstract: The present application provides methods for downloading a key, a client, a password device, and a terminal device, in which, the client sends a request for downloading an initial key to a backend server, and receives a server identity certificate delivered by the backend server and forwards the server identity certificate to the password device. The client acquires a device identity ciphertext returned by the password device and sends the device identity ciphertext to the backend server. The client acquires a server identity ciphertext and an initial key ciphertext generated by the backend server, and sends the server identity ciphertext to the password device. After the password device successfully verifies an identity of the backend server, the client sends the initial key ciphertext to the password device.

Abstract: A coating device includes a first coating mechanism configured to coat a first surface of a substrate, a first oven drying mechanism arranged downstream of the first coating mechanism and configured to oven dry a coating on the first surface, a second coating mechanism arranged downstream of the first oven drying mechanism and configured to coat a second surface of the substrate opposite to the first surface, a second oven drying mechanism arranged downstream of the second coating mechanism and configured to oven dry a coating on the second surface, and a third oven drying mechanism arranged downstream of the second oven drying mechanism and configured to oven dry the coating on the second surface.