Abstract: A virtual machine backup method, performed by a first host, includes: capturing a request to write data from a virtual machine to a hard disk image file, wherein the request includes written data and input and output location information, copying the written data to a temporary storage area, calculating a first key of the written data, storing the first key, the input and output location information into a first resource location structure, pausing an operation of the virtual machine and generating a second resource location structure according to the first resource location structure, the first key and a second key, and outputting a backup data set to a second host according to the second resource location structure, wherein the backup data set includes the second resource location structure and only one of existing data and the written data when the first key and the second key are the same.

Abstract: Disclosed are an unblocking apparatus for a furnace discharging pipe and a use method. The unblocking apparatus includes a rail, a rail car that may move along the rail, an unblocking drive mechanism arranged on the rail car, a heat-unblocking component, a cold-unblocking component, and a material receiving component that is used to receive a blocking material in the discharging pipe, and a drive end of the unblocking drive mechanism is detachably connected with one end of the heat-unblocking component and the cold-unblocking component respectively. The present application effectively handles different blockage situations of the furnace discharging pipe by connecting the unblocking drive mechanism with an unblocking rod capable of heat-unblocking and a drilling rod capable of cold-unblocking, thereby two modes of heat-unblocking and cold-unblocking are performed on the furnace discharging pipe; and the discharging pipe may be unblocked by a remote operation.

Abstract: A method (50) of, a node device (100) and a computer program product arranged for alerting node devices in a network of operatively interconnected node devices by transmitting an alerting message comprising a geographic location address of an originator node device (21) transmitting the alerting message and a moving direction (12) of an object (11) receiving service from the originator node device (21). When a receiving node device (24, 25) determines, based on its geographic location address, the geographic location address of the originator node device (21) and the moving direction (12), that the object (11) is approaching the receiving node device (24, 25), it transmits the alerting message comprising the geographic location address of the originator node device (21) and the moving direction (12).

Abstract: A device and a method for nondestructively detecting a transient characteristic of a conductive screw of a turbo-generator rotor are provided. The device includes a personal computer (PC), an extremely-steep pulse generator, an ultra-high-frequency double-isolation transformer, and a pulse emitting and coupling module, which are connected in sequence. The pulse emitting and coupling module is connected to a load. A synchronous pulse receiving non-inductive divider circuit synchronously receives a characteristic waveform from the load, and the synchronous pulse receiving non-inductive divider circuit is connected to an ultra-high-speed analog/digital (A/D) module through a nonlinear saturation amplifying circuit that amplifies a signal. The PC receives a signal from the ultra-high-speed A/D module. The load includes a positive or negative excitation lead loop that is in a 180° symmetrical and instantaneous short-circuit state and a rotor shaft.

Abstract: The present application discloses a metering device, including a structure body of the metering device, a first metering chip and a metering master control chip. The first metering chip is configured for performing fundamental wave and full wave processing on electric energy data; the metering master control chip includes a master control chip core, a coprocessor and a storage unit, wherein the master control chip core and the coprocessor share the storage unit; and the coprocessor is configured for performing harmonic processing on the electric energy data based on the storage unit and based on a manner of instruction. By applying the solution of the present application, the electric energy data of the metering device can be processed quickly and efficiently, and a hardware cost is saved at the same time. The present application also provides an electric energy meter which has the corresponding technical effects.

Abstract: The present disclosure provides a compound function prediction method based on a neural network and a connectivity map (CMAP) algorithm. The compound function prediction method is used to predict an efficacy of a compound, and the compound function prediction method includes the following steps: constructing a compound molecule—encoding vector neural network; constructing and training an encoding vector—marker gene expression variation deep neural network; constructing and training a marker gene expression level or gene expression variation—whole genome gene expression level or gene expression variation neural network; constructing upregulated and downregulated gene sets of a disease or a phenotype; and evaluating a correlation between the compound and the disease or the phenotype.

Abstract: A speaking user selecting method and apparatus, an electronic device, a storage medium, a computer program product, and a computer program. The method comprises: receiving a first request sent by a first terminal device, the first request being used for determining a speaking user in a user group, wherein the user group comprises at least two users to be selected, and each user to be selected corresponds to one second terminal device; determining a random selection model corresponding to the first request, the random selection model being used for representing a policy for randomly determining a speaking user from the user group; and determining a speaking user from the at least two users to be selected according to the random selection model, and sending identification information of the speaking user to the first terminal device and the second terminal device.

Abstract: A gap caulking device and a caulking method are provided, wherein the gap caulking device includes long plates, short plates, a dial plate, a three-way joint, a tensioner and a limit rod, and a closed quadrilateral structure with an adjustable angle is formed by two long plates hinged to each other and two short plates hinged to each other, a dial plate and a pointer are respectively provided on the two short plates, damping rods hinged on the two short plates to each other and a three-way joint matched with the two long plates are passed through by a limit rod to achieve connection limiting, and a shape memory alloy wire is connected to the three-way joint by a tensioner and is parallel to the limit rod. The problem is overcome that the original traditional wedge-shaped material that gaps rely on has a single filling function.

Abstract: A method of data clearing of a hard disk comprises search a last target logic block of a target hard disk according to a predetermined sequence. Stored data in the target logic block is read for determining whether the stored data includes disk array information. The stored data of the target logic block is cleared while the stored data includes the disk array information. By accurately clearing minimum data, a data clearing process of the target hard disk is completed. By comparing with the full disk format manner, an effective of data clearing is improved. An apparatus and a computer readable storage medium applying the method are also disclosed.

Abstract: A composite solution for enhancing induced disease resistance of lentinan (LNT) to a plant, a preparation method of the composite solution, and a method for enhancing induced disease resistance of LNT to a plant are provided. The composite solution for enhancing induced disease resistance of LNT to a plant includes: an LNT-containing solution and an SPc-containing solution, where SPc is a dendritic macromolecule functionalized by an amino functional group, and has a structural formula shown in formula I, where n=1 to 100. An LNT/SPc complex is produced in the composite solution. SPc spontaneously combines with LNT through hydrogen bonding, such that an agglomerate structure formed by LNT in an aqueous solution is broken and reduced to a nano-scale particle size, and a spherical particle is produced, which can significantly reduce a contact angle of the LNT aqueous solution, and promote the distribution and diffusion of LNT.

Abstract: A photo resist layer is used to protect a dielectric layer and conductive elements embedded in the dielectric layer when patterning an etch stop layer underlying the dielectric layer. The photo resist layer may further be used to etch another dielectric layer underlying the etch stop layer, where etching the next dielectric layer exposes a contact, such as a gate contact. The bottom layer can be used to protect the conductive elements embedded in the dielectric layer from a wet etchant used to etch the etch stop layer.

Abstract: A power decentralized electric locomotive apparatus includes an electric locomotive and a plurality of muck trucks. The electric locomotive and the plurality of muck trucks are connected in sequence, and a mater drive motor is fixedly mounted on the electric locomotive. A slave drive motor is fixedly mounted on at least one of the muck trucks; a torque of the slave drive motor is smaller than a torque of the mater drive motor; and the slave drive motor cooperates with the mater drive motor, to enable the muck truck to travel on rails and reduce drive power and self-weight of the electric locomotive.

Abstract: The invention provides a preparation method of high-content Ganoderma lucidum ?-glucan and an efficient and rapid detection method thereof. The preparation method comprises ethanol-trypsin pretreatment of Ganoderma lucidum fruiting body in combination with ultrasonic-assisted alkaline hydrothermal extraction of ?-glucan from Ganoderma lucidum, and purifying ?-glucan by DEAE Sephadex A-25 Sephadex column chromatography using NAOH solution as a mobile phase, to obtain high purity (?90%) of Ganoderma lucidum ?-glucan. The detection method comprises placing the extracted ?-glucan in an autoclave and performing hydrolysis with ?-(1,3)-exo-glucanase and ?-glucosidase, and detecting and analyzing the content of the prepared ?-glucan by high pressure-acid enzymatic hydrolysis-HPLC method, using glucose as a standard. The preparation method of ?-glucan has high extraction ratio.

Abstract: A method performed by a first communication device includes transmitting, to a second communication device, a request to assist in a ranging between the first communication device and a third communication device. The method also includes receiving, from the second communication device, a response to the request. The method further includes based on ranging information comprised in the response, wherein the ranging information is associated with the second communication device for assisting with the ranging between the first and third communication devices, providing a first ranging with the third communication device via the second communication device.

Abstract: A method of power management includes steps of: in response to receiving from a server host a sleep command, an expander first outputting a predetermined register value to a processing unit in a normal state, and then switching to a power-saving state and outputting an interrupt signal to the processing unit; the processing unit determining whether both the predetermined register value and the interrupt signal are received; and when it is determined that both the predetermined register value and the interrupt signal have been received, the processing unit controlling a power supply to output standby electricity, making the expander and the processing unit operate based on the standby electricity.

Abstract: A method for constructing an efficient product surface defect detection model based on network collaborative pruning is provided. According to an initial product surface defect detection model, the method provides a network-based collaborative pruning method and constructs the efficient product surface defect detection model. On a premise of ensuring an accuracy of a product defect detection method, a product surface defect detection time is reduced to satisfy manufacturer's requirements on the product surface defect detection time and accuracy of product surface defects.

Abstract: The invention provides a method for cargo sorting, configured to control an end effector with a package placement platform to sort the cargo, and the method includes: moving the package placement platform to a package obtaining position and obtaining the cargo to be sorted that enters into the package placement platform; moving the package placement platform to a package storage location; and exerting a first force to push the cargo into a package storage unit. With the help of the package placement platform, the method of the invention can receive the packages of different types or different sizes or different material so as to sort and transport all kinds of packages.

Abstract: A touch substrate manufacturing method, for manufacturing a target touch substrate to be assembled with a display substrate, is provided. A size of an active display region of the display substrate is a first preset size. The method includes: providing a touch substrate to be processed having a second preset size, the second preset size being greater than the first preset size; and cutting, in at least one cutting direction, the touch substrate to be processed to obtain the target touch substrate, the cutting direction being parallel to an extending direction of a touch channel on the touch substrate to be processed. A manufacturing method for touch module, a touch substrate and a touch module are also provided.

Abstract: A display device includes: a plurality of backlight modules, where each backlight module includes a plurality of light sources capable of emitting light in at least three different colors; a color-filter-less liquid crystal display module including a plurality of pixel units arranged in an array form and a plurality of scanning lines coupled to the pixel units; where the plurality of backlight modules are arranged in parallel with the liquid crystal display module; where an orthogonal projection of each backlight module onto a plane where the liquid crystal display module is located corresponds to at least two rows of pixel units, where the pixel units in one row are along an length extension direction of each scanning line; and a driving circuit coupled to each backlight module and configured to apply a backlight driving signal to each backlight module.