108results about How to "Reduce involvement" patented technology

The invention discloses a multimedia resource processing method based on speech recognition and an online teaching system thereof. The method comprises the steps: audio and video frequencies are collected simultaneously and data are processed to process audio documents into a speech recognizable format; the audio documents are imposed with the speech recognition to generate script documents and with automatic generation and synchronization of Chinese captions with the video documents; and a content retrieval is imposed on the video documents, an automatic story segmentation based on the content is imposed on the script documents of the audio documents which are stored into the video database after being matched and labeled. The multimedia resource processing method based on the speech recognition and the online teaching system thereof are applied with the automatic processing technology of the multimedia resources, greatly increase the processing speed of such information as captions and the like by the use of high-performance computation of the computer, and reduce the participation degree of manual processing, thus accelerating the video manufacturing process and improving the work efficiency.

The invention discloses a wearable human body multiple physiological parameter acquiring device. The wearable human body multiple physiological parameter acquiring device comprises a wearable acquiring band and acquiring clothes, wherein the wearable acquiring band comprises a chest strap, shoulder straps, a waistband and a connecting band located on the chest. The chest strap, the waistband and the connecting band comprise an outer layer and a liner respectively, the chest strap is fixedly connected with the waistband through the connecting band, and the chest strap is fixedly connected with the shoulder straps. Sandwich layers between the outer layers and the liners of the chest strap, the waistband and the connecting band are provided with corresponding electrode buttons, the outer surfaces of the liners of the chest strap, the waistband and the connecting band are correspondingly provided with electrodes for acquiring electrocardiosignals or respiratory signals, and the outer surface of the liner of the chest strap is further provided with a first temperature sensor and a second temperature sensor which are used for acquiring human body temperature signals. The acquiring clothes comprises a pocket provided with an acquiring circuit, sleeve bands for measuring blood pressure and provided with air bags are fixed at the upper-limb positions of sleeves of the acquiring clothes, and the air bags are connected with a pressure sensor in a blood pressure signal interface circuit in the acquiring circuit through air guiding tubes.

The invention discloses a casting method of a ZL101 thin-wall aluminium alloy part. The method includes steps of: 1) preparing moulding sand raw materials; 2) preparing binder slurry, wherein the binder slurry comprises 36-40% by weight of starch, 6-8% by weight of furan resin, 14-16% by weight of calcium bentonite, 3-5% by weight of bagasse cellulose powder having a size of -100 meshes, 1-2% by weight of zinc stearate and 2-3% by weight of sodium tripolyphosphate, with the balance being water; 3) preparing moulding sand; 4) manufacturing a casting and gating system; 5) smelting a ZL101 alloy, wherein 0.035% of Sr is added for modification, argon is fed after slag removal, gas removal is performed by rotation, smelting is performed when the temperature is 735-745 DEG C, and the alloy is allowed to stand for 10-12 min after smelting; 6) casting, wherein the aluminum alloy casting temperature is controlled to e 720-730 DEG C, and the casting speed is controlled in a manner that the former two fifth of the total casting amount adopts a speed of 6-8 kg/s, the middle two fifth adopts a speed of 4-5 kg/s, and the last one fifth adopts a speed of 6-8 kg/s; and 7) cooling with the mould, opening the mould, cleaning and performing thermal processing.

The invention discloses a method and device for quantitatively measuring the content of gas inside an aluminum alloy die casting. The method comprises the steps of: washing and measuring certain part or the whole of the die casting, and then placing in a vacuum chamber, vacuumizing to below 0.01Pa by using a vacuum pump, and recording a vacuum pressure value F1; isolating the vacuum chamber from the vacuum pump, heating the die casting to ensure that the die casting is melted and gas in the die casting escapes and the pressure in the vacuum chamber is increased, and recording a vacuum pressure value F2; and finally, converting using F2-F1 according to a corresponding gas standard curve to obtain the content of the gas inside the die casting. The device comprises a heating furnace, a vacuum system, a quantitative gas supplying system and a cooling system. The method allows to quantitatively measure the content of the gas inside the die casting, is high in measuring precision and is capable of accurately evaluating the defect of pores in the die casting. The invention provides a scientific basis for evaluating the defect of the pores in the die casting and optimizing a casting process.

The invention provides an air distribution process and an air distribution system for a rotary kiln. The air distribution process comprises smoke purification, smoke recirculation, smoke powder feeding, smoke adjustment, oxygen enrichment preparation and enriching oxygen conveying. Smoke passing through a pre-heater or a waste heat boiler is subjected to particle and dust removal through a de-duster, and the smoke passing through a smoke recirculation fan is used for conveying coal powder for a kiln head combustor or a decomposing furnace, and is used as smoke gas at the center of the combustor to adjust flame shape and the position of a flame high-temperature area; air with high oxygen concentration is prepared by oxygen preparing equipment, and is conveyed to the kiln head combustor or is supplied into an air duct of the decomposing furnace after the air with high oxygen concentration is mixed with the air to obtain the air with relatively low oxygen concentration. According to the air distribution process provided by the invention, the oxygen enrichment air combustion supporting and the smoke recirculation can be comprehensively used on the rotary kiln, so that the involvement amount of cold air is reduced; the fuel coal consumption amount is reduced; the flame shape and the position of the high-temperature area can be adjusted; the generation of nitric oxides is reduced; the selection range of fuel is widened; and the system use ratio is improved. The air distribution process and system are simple, are convenient to use, and have good utilization effect.

The invention provides a feed apparatus of a cylinder sewing machine for preventing cloth getting into a rear wheel, and reducing damage of an endless belt, which is provided with a needle plate of a needle plate claw installed one a cylinder frame, a rear wheel which is configured along the upper part of the cylinder frame behind the needle plate claw and which is coupled with a front wheel in front of the needle plate claw, an endless belt which is reeled and hang on the front and the rear wheels and which is configured partly on the needle plate, and an intermittent clutch which is connected to one of the front and the rear wheels and which has rotary linkage with a spindle to make the wheel rotate intermittently; cloth on the needle plate is conveyed to cloth feed direction through the endless belt; a guide sheet with a support face is installed at two sides of the endless belt on the rear wheel; part of the support face is pushed from the endless belt of the rear wheel to the cloth feed direction.

The invention relates to a disposable bidirectional umbilical cord cutting protection device. The device consists of an umbilical cord cutter, an umbilical cord protection pad and an umbilical cord protection cap, wherein the upper shell and the lower shell of the umbilical cord cutter are hinged with each other; a blade is arranged on a blade fixing bracket which is connected with the upper shell into a whole and is provided with a wedge-shaped lug boss and a transverse stop block; an A umbilical cord clamp and a B umbilical cord clamp are positioned by convex pins of the lower shell so as to be arranged on the outer sides of both cutting platforms of the lower shell; the inner surfaces of an upper arm and a lower arm of the A umbilical cord clamp and the B umbilical cord clamp are provided with two groups of racks which are meshed in a staggered way; one end of the upper arm and one end of the lower arm of the A umbilical cord clamp and the B umbilical cord clamp are connected into a whole through an elastic bow; a holder is positioned between a cutter groove and the A umbilical cord clamp, and is movably arranged inside a dovetail groove in the middle of the lower shell by means of a dovetail lug boss of the holder. During operation, a user can gradually clutch the cutter inserted into an umbilical cord; therefore, the blade enters the cutter groove to cut off the umbilical cord, and the wedge-shaped lug boss extrudes the A umbilical cord clamp out of the lower shell through the holder. The disposable bidirectional umbilical cord cutting protection device can realize one-step clamping positioning, cutting and separating the umbilical cord and protecting the umbilical cord stump.

A printed wiring board comprises a wiring substrate provided with at least one conductor circuit, a solder resist layer provided on the surface of the wiring substrate, at least one conductor pad formed from a part of the conductor circuit exposed from an opening provided in the solder resist layer, and at least one solder bump for mounting electronic parts on the conductor pad. In the printed wiring board, since the at least one conductor pad is aligned at a pitch of 200 µm or less, and a ratio (W/D) of a diameter W of the solder bump to an opening diameter D of the opening formed in the solder resist layer is within a range of 1.05 to 1.7, connection reliability and insulation reliability can be easily improved.

In the vicinity of a rim portion of a spin base 5 , a plurality of supports 7 which abut on a bottom rim portion of a substrate W and support the substrate W are formed projecting toward above from the spin base 5 . The substrate W is supported horizontally by the plurality of supports 7 , with a predetermined distance ensured from the spin base 5 which opposes the bottom surface of the substrate W. Into the space which is created between the top surface of the substrate W and an opposing surface 9 a of an atmosphere blocker plate 9 , inert gas is ejected from a plurality of gas ejection outlets 9 b which are formed in the opposing surface 9 a. The inert gas thus supplied to the top surface of the substrate W presses the substrate W against the supports 7 and the substrate W is held at the spin base 5.

The invention belongs to the technical field of grinding machine equipment, and particularly relates to a cylindrical grinding machine. The cylindrical grinding machine comprises a workbench, a firstroller and a second roller are rotationally connected to the workbench through a support, a sliding rail is arranged on the side, far away from the first roller, of the second roller, a sliding blockis slidably connected to the sliding rail, the sliding block is controlled by a displacement device to slide up and down, a grinding wheel is rotationally connected to the sliding block and rotates anticlockwise, the grinding wheel is driven by a motor which is in control connection with a power supply through a controller, a protective cover fixedly connected with the sliding block is arranged onthe periphery of the grinding wheel, a spray head for spraying cooling liquid is arranged on the side, far away from the second roller, of the first roller, and communicates with a water pump and a cooling pool through pipelines, and an arc-shaped part matching with the periphery of a workpiece is arranged at the end, close to the workpiece, of the nozzle. According to the cylindrical grinding machine, the arc-shaped part matches with the surface of the workpiece in shape, so that the arc-shaped part is tightly attached to the surface of the workpiece, the cooling liquid forms a water film uniform in thickness on the surface of the workpiece, splashing of the cooling liquid is reduced, and the workpiece cooling efficiency is improved.

The invention discloses an adjustable multilayer tea caddy which comprises a tea caddy body, a multilayer lifting device, a storage partition box and a storage drawer, wherein a first arc-shaped groove and a second arc-shaped groove are formed in the side walls of the tea caddy body; a limiting axis rod is arranged at the axis of the first arc-shaped groove; the multilayer lifting device comprisesa turbine rotating rod and a hollow vortex rod shaft pin; the turbine rotating rod is rotatably arranged in the second arc-shaped groove; the hollow vortex rod shaft pin is arrangd on the limiting axis rod in a sleeving manner; two rectangular sliding chutes are formed in the hollow vortex rod shaft pin; a plurality of triangular slots are formed in the two side walls of each of the rectangular sliding chutes; an arc-shaped groove and two rectangular sliding blocks are arranged on the storage partition box; and the rectangular sliding blocks are arranged in the rectangular sliding chutes. Theadjustable multilayer tea caddy can store tea in a layered manner; the distance between every two adjacent layers can be adjusted as needed; in addition, the usual using stability of each layer is ensured, the situation that the bottom tea is crushed caused by drag can be reduced; and moreover, quantitative storage can be realized, and different types of tea can be stored into categories as needed.

The invention relates to a node deployment method for an OpenStack, comprising the following steps: obtaining type information of a node currently installed by the OpenStack; Acquiring network information of the node according to the type information; Generating a first type configuration file corresponding to the node according to the type information and the network information; According to thefirst type configuration file and the installation function of the node, installing the network service installation package corresponding to the node, and generating and starting the corresponding network plug-in. After obtaining the type information of the currently installed node, obtaining the network information of the node correspondingly. Thus automatically completing the generation of configuration files, the installation of network services where the node is located, and ultimately generating and starting the corresponding network plug-in, the automatic configuration of the node installation can be achieved. The node deployment process has the advantages of low user involvement and easy operation, which effectively improves the deployment efficiency of each node.

The invention relates to an application switching method and system of an intelligent terminal. The method includes the steps that when a return key of the intelligent terminal is continuously triggered, the continuous triggering time is detected; a background application corresponding to the continuous triggering time is searched for in an application list according to the continuous triggering time, wherein the application list records multiple applications which are opened recently and switched to a background to operate; an address of the background application is read from a register of the intelligent terminal, and the intelligent terminal is switched into the background application to operate according to the address. According to the technical scheme, the use habits of a user are fully considered, the user can achieve the switching function on the return key, operation is simplified, keys related in the switching process are reduced, mistakes are avoided, the background application is selected through the continuous triggering time, multiple-tapping operation is not needed, and operation efficiency is high.

Provided is a metal continuous casting method in which continuous casting is performed while applying a static magnetic field in the thickness direction of the continuous casting, by intermittently applying the above static magnetic field, it is possible to obtain substantially no auxiliary Continuous casting slab with flux entrainment and surface segregation.

The invention provides a degradable antibacterial magnesium alloy and a preparation method of the degradable antibacterial magnesium alloy, and relates to the field of metal biomedical materials. Thedegradable antibacterial magnesium alloy comprises main active elements of Ag, Cu, Zn and Sr, and by means of composition optimization design of the magnesium alloy, the components comprise, by mass,1.35-1.65% of Ag, 0.9-1.1% of Cu, 3.6-4.4% of Zn, 0.9-1.1% of Sr, 0.36-0.44% of Ca and the balance Mg and other inevitable impurities. After the magnesium alloy material implant finishes the action, the magnesium alloy material implant can be completely degraded to avoid secondary operation removal, the medical cost and the pain of patients are reduced, the antibacterial property of the implant isimproved, and the magnesium alloy material implant has the functions of promoting osteoblast formation and inhibiting osteoclast bone absorption; the degradable antibacterial magnesium alloy adopts asemi-solid rheological die casting process, the microstructure of the product is uniformly distributed, the internal structure is compact, the defects of pores, segregation and the like are few, andthe requirements for high quality and high precision of implant products can be met.