65results about How to "Reduce the number of occurrences" patented technology

The invention discloses a method for producing an aluminum-magnesium alloy by utilizing a liquid aluminum cathode method. The method is used for high-efficiently producing the high-quality aluminum-magnesium alloy. The method comprises the following steps of dissolving the high-purity magnesium oxide (MgO) in an electrolyte system consisting of Na3PO3-MgF2-NaCl in an electrolytic cell under the electrolytic temperature of 850DEG C to 900DEG C, wherein the aluminum liquid which is formed by melting a high-purity aluminum ingot is used as a liquid cathode; and applying a coil magnetic field with the intensity of 30mT to 40mT outside the electrolytic cell so as to enable the aluminum liquid to rotate under the electrolytic conditions that the anode current density is 0.47 to 0.52A/cm<2> and the high-purity graphite is adopted as an anode, reducing the magnesium ions on the rotating aluminum liquid cathode into elemental magnesium under the electromagnetic stirring effect to be uniformly dispersed into the aluminum liquid so as to form the aluminum-magnesium alloy product, and producing CO2 gas on the anode. The alloy prepared through the method is uniform in components and contains no impurity. The production process is continuous and easy to control.

The invention discloses an intelligent fire-fighting inspection and fire-fighting robot, which comprises a fire extinguisher (1), a driving wheel (4), a motor drive (6), a solenoid valve (8), a steering gear (9), a machine arm (12), and a bearing seat (15), bevel gear (16), shaft (17), mobile console (19), pipeline (20), integrated circuit board (21), fuselage (22), chassis (24) and motor (26). The intelligent fire-fighting inspection and fire-fighting robot of the present invention can replace human patrols in the daytime or night-time unmanned state, realize functions such as autonomous inspection, fire detection, video transmission, real-time communication, alarm and fire extinguishing, reduce fire losses, and reduce the occurrence of fires frequency. In addition, on the basis of being equipped with high-temperature armor, it can replace firefighters to enter the fire scene in critical moments or complex environments, automatically find the fire point and extinguish the fire, and at the same time reduce casualties.

The invention discloses a grape planting method, and relates to the field of planting of fruit trees. The grape planting method comprises the following steps: foundation selection, early-stage preparation, seed preparation, seed germination accelerating, seed sowing, grape seedling transplanting, grape trellis building, field management and prevention and treatment of plant diseases and insect pests. The grape seeds are soaked in saline water and are subjected to ultrasonic treatment, coats of the grape seeds are softened quickly, water absorption speed of the seeds is increased, matters such as starch and protein can be converted into soluble matters for embryos to be absorbed, and the growing period of the seeds is shortened; and the soil for seedling growing is loam, breathability and drainage of the loam are good, and growth of grape plants can be promoted.

The embodiment of the invention relates to the technical field of networks, and discloses a vehicle violation event detection method and device and an electronic device. The vehicle violation event detection method comprises: collecting image data of all vehicles in a preset area in real time, and the image data comprise images in at least two frames of areas; According to the image data, determining a motion track of each vehicle in a preset area; determining a traffic event to which each vehicle belongs currently according to the motion track of each vehicle and a traffic event determinationmodel, the traffic event determination model being a corresponding relationship between the motion track of each vehicle and the traffic event to which the vehicle belongs; and outputting alarm information indicating that the vehicle belongs to the illegal traffic event according to the traffic event to which each vehicle belongs. According to the embodiment, illegal events of vehicles in variousscenes can be accurately detected, and the occurrence frequency of the illegal events of the vehicles is reduced.

The invention provides a technological method for reducing belt breaking times in rolling mill starting. The technological method for reducing belt breaking times in rolling mill starting is applied to the technical field of cold-rolled sheet steel rolling processes and comprises the steps of (1) increasing the set target thickness at the band steel outlet portion by 30%-40% before a rolling mill shuts down; (2) reducing positive roll bending force exerted by machine frames onto working rolls after a target thickness value is increased; (3) modifying the target thickness and shutting down the rolling mill after weld joints are sheared by the rolling mill; and (4) recovering the target thickness before the rolling mill is started again and recovering the positive roll bending force of the machine frames after rolling is stable. By means of the technological method, happened belt breaking accidents in starting can be solved when the rolling mill is started, accordingly unit yield is improved, and the number of abnormally offline rolls is decreased. The yield can be improved by decreasing the belt breaking times in starting, and the number of the abnormally offline rolls caused by belt breaking is obviously reduced.

The invention discloses a method for preparing a microbial compound organic fertilizer from livestock and poultry manure. The method comprises the following steps: uniformly mixing 700-800 parts of livestock and poultry manure with 150-300 parts of sawdust, 100-150 parts of straw, 100-150 parts of mushroom culture waste and 3-5 parts of a compound microbial strain; carrying out static fermentation for 24-36 hours; carrying out high temperature overturning fermentation, wherein the temperature is kept at 60-70 DEG C, the water content is 42%-47%, and the materials are turned and pushed once every 24-36 h and are turned and pushed for 5-8 times in total; carrying out low temperature overturning fermentation, wherein the temperature is kept at 30-60 DEG C, the water content is gradually reduced, 2%-4% of water is reduced each time, and the materials are turned and pushed once every 12-24 h and are turned and pushed for 3-5 times in total; and drying and cooling the fermented material until the water content is lower than 30% to obtain the powdery microbial compound organic fertilizer. By adjusting the proportion of the livestock and poultry manure residues, the organic waste materials and the functional compound microbial agent and controlling the fermentation mode, the fermentation temperature and the fermentation time in the fermentation process, the prepared microbial compound organic fertilizer contains various functional microorganisms, the quality and the yield of crops, fruit and vegetable tea can be remarkably improved, and the environment of planting soil is improved.

The invention provides a device and a method for preventing and relieving freezing gaits of patients with Parkinson's disease. The device comprises an acceleration sensor, plantar pressure sensors, a mobile terminal, a vibration node and a vibration force sensitive insole. The method comprises a method for constructing a freezing gait prediction and detection model and a method for preventing and removing freezing gaits of patients with Parkinson's disease based on the freezing gait prediction and detection model. Motion modes of the patients are monitored in real time through the plantar pressure sensors placed on the vibration force sensitive insole, the freezing gait prediction and detection model of the different motion modes are trained and verified based on acceleration signals, a prediction is made rapidly before the freezing gaits are about to happen, and a detection judgment is made accurately when the freezing gaits are already happened. Rhythmed tactile prompts are provided by combining the vibration node placed on the vibration force sensitive insole, so that the gaits of the patients are prevented from further deteriorating and the patients are helped to recover normal walking ability.

The invention discloses a dynamic power management method, a mobile terminal and a storage medium. The method comprises: acquiring CPU working state information of the mobile terminal according to a preset time period; The ratio of the total time to get the CPU utilization; judge the trend of the system load based on the CPU utilization; adjust the CPU operating frequency and the number of CPU cores according to the trend of the system load. The present invention effectively reduces the occurrence times of frequency modulation and core adjustment operations without affecting user experience, and realizes effective control of the frequency conversion operation times of the system. And after predicting the system load trend, by adjusting the CPU frequency and the number of CPU cores in advance, the fluency of the system can be improved and the user experience can be improved.

The invention discloses a method for raising grape seedlings in a matrix. The method includes: grape seed preparation; grape seed brine treatment; grape seed pharmaceutical treatment; grape seed germination acceleration; grape seed disinfection; and grape seed sowing. Compared with existing grape planting technologies and existing grape seedling raising technologies, the invention has extremely significant advantages. By adopting the technical scheme for grape seed seedling raising, the seed germination rate is above 96%, and the transplanting survival rate is above 90%. The method provided by the invention firstly employs brine to soak grape seeds and conducts ultrasonic treatment, thus facilitating softening of grape seed coats and accelerating the seed water absorption speed, and also being in favor of the transformation of starch, protein and other substances into soluble substances for absorption by embryos. The grape seedling raising matrix adopted by the invention takes pine sawdust as the main matrix skeleton to cooperate with fermented cotton seed shells and peanut shells to form the matrix main component, the raw materials have wide sources, the cost is low, and also the pollution of the matrix adopting cow dung and chicken manure as the raw materials to the environment is reduced.

The invention provides a method used for leading an IP multimedia sub-system to carry out dynamic position management on a user end (UE); the position management of UE is carried out by a dynamic position updating mechanism DLU method; the conversation behaviour of UE is led in a position updating process, namely, corresponding operation on register timer (RT) is added during the conversation process of UE without changing the register process in an IMS, thus reducing the generation frequency of periodic position updating request and the generation times of the periodic position updating request on the basis of extremely little changing quantity. Furthermore, when the UE roams from the home network to the visit network and IOS event or re-register CCRR or PRR event occurs, the method of the invention adopts a two-step position management mechanism TTLM method where home network and visit network are respectively registered and a dynamic position updating mechanism DLU method to carry out the position management on the UE. The method of the invention solves the defects of the prior art better, effectively reduces the load of the HSS and S-CSCF, reduces the transmission quantity of the position updating signals, and improves the utilization ratio of the network resource.

The invention provides a production method for reducing non-weld joint strip breakage occurrence rate during a cold rolling process. The control in production is as followed: (1) controlling the convexity and the wedge shape of a hot rolling raw material plate; (2) controlling the width of hot rolling coil incoming materials; (3) setting a surface inspection system and a fault warning system after acid pickling; (4) increasing the length of cutting the head and tail of raw materials at an inlet; (5) controlling the tension fluctuation range of the operation side and the transmission side in cold rolling; (6) controlling the highest speed of an outlet of a rolling mill. According to the production method for reducing the non-weld joint strip breakage occurrence rate during the cold rolling process, the non-weld joint strip breakage occurrence rate can be easily reduced without affecting production and cold rolling performance.

The invention discloses a method for preparing a microbial compound organic fertilizer from domestic sludge. The method comprises the following steps: adding 80-150 parts of straws, 300-500 parts of sawdust, 30-60 parts of bean dregs, 20-30 parts of oil cakes and 30-60 parts of excrement residues into 650-800 parts of sludge; adding 4-7 parts of functional composite microbial strains, and uniformly stirring; carrying out static fermentation for 24-36 hours; carrying out high temperature overturning fermentation, wherein the temperature is kept at 60-70 DEG C, the water content is 48%-52%, and the mixture is turned over once every 12-24 h and is totally turned over for 7-10 times; carrying out low temperature overturning fermentation, wherein the temperature is kept at 35-50 DEG C, the water is reduced gradually by 2-4% each time, and the mixture is turned over once every 12-24 h and is totally turned over for 5-8 times; and drying and cooling the fermented material until the water content is lower than 30% to obtain the powdery microbial compound organic fertilizer. By adjusting the proportion of the domestic sludge, the organic waste and the functional microbial agent and controlling the fermentation mode, the fermentation temperature, the fermentation humidity and the fermentation time in the fermentation process, the prepared microbial compound organic fertilizer contains various functional bacteria and trace elements, the quality and the yield of crops, fruits, vegetables and tea can be remarkably improved, and the environment of the planting soil is conditioned and improved.

The invention discloses a method for culturing seedlings of juglans hopeiensis, and belongs to the technical field of agriculture. The method comprises the following steps of (1) performing selection and treatment of cuttage branches; (2) preparing cuttage substrates and special containers; (3) culturing seedlings by cuttage; (4) performing management after cuttage; and (5) transplanting rooted seedlings and performing management after transplantation. The survival rate of the transplanted juglans hopeiensis tree seedlings cultured by the method disclosed by the invention is as high as 100%, the immunity is strengthened, the fruit set percentage is high, fruit conditions are good, the occurrence frequency of diseases and insect pests is low, the operation is simple, the seedling culturing cycle is also short, the juglans hopeiensis is suitable for vast peasant households to popularize and plant, and effective economic benefits are caused.

The present invention relates to a power transmission apparatus having a high efficiency, which can cany out the rolling friction by constructing a cross shaft gear comprising a plurality of teeth formed with teeth grooves inclined to a desired angle, and a roller type mediation member having a plurality of rotation teeth engaged with the teeth grooves of the gear to thereby prevent the loss of the power and ensure the reliability of the operation and make it easy to fabricate, so as to embody the chainless power transmission for a bicycle. The power transmission apparatus of the present invention comprises a first gear having a first rotation shaft, a disk body installed at the first rotation shaft, a plurality of teeth arranged at a periphery of the disk body in the radial direction, and a plurality of teeth grooves, each of which is formed between the teeth and is arranged to define an acute angle relative to a virtual plane formed by the disk body; a mediation member having two rotation bodies spaced apart from each other, and a plurality of rotation teeth rotatably secured between the two rotation bodies by means of shaft pins so as to be engaged with the teeth grooves of the first gear, and in which an axial line of the pair of rotation bodies is arranged to define an acute angle relative to an axial line of the rotation tooth; and wherein the first gear and the mediation member define a cross shaft gear.

The invention discloses an internet-of-things chicken farming system comprising a temperature control system, a humidity control system, a light control system, a monitoring system, an automatic feeding system, an automatic dung removal system, an exhaust and ventilation system, a single-chip microcomputer and an internet-of-things server. The temperature control system comprises a temperature sensor and a temperature regulator. The humidity control system comprises a humidity sensor and a temperature regulator. The light control system comprises a light intensity sensor and a light regulator. According to the internet-of-things chicken farming system, interior temperature and humidity of a chicken house can be timely regulated to decrease diseases; the light control system regularly regulates the routine of chicken; an exhaust fan is used for ventilation, ensuring interior air quality of the chicken house; the monitoring system can locate the diseased chicken in time; an internet-of-things system contacts an agro-technical station to provide timely solutions. The internet-of-things chicken farming system is reasonable in design, simple to operate and suitable for wide-range popularization and application.

The invention provides a gasoline engine oil composition and a preparation method thereof. The gasoline engine oil composition comprises the following components: A) a phenolic compound; B) alkylationof diphenylamine; C) a polyisobutylene succinimide ashless dispersant and/or a boronized polyisobutylene succinimide dispersant; D) calcium sulfonate and/or vulcanized calcium alkyl phenolate; E) zinc dialkyl dithiophosphate; F) a compound friction modifier; G) a phosphite ester type extreme pressure anti-wear agent; and H) a major amount of lubricating base oil. The gasoline engine oil composition disclosed by the invention has excellent high-temperature cleaning performance, oxidation resistance and wear resistance. The composition has a sulfur content of not more than 0.5% and a sulfate ash content of not more than 1%; the content of phosphorus does not exceed 0.08%, the requirements of SM/GF-4, SN/GF-5, SN plus, SP/GF-6 and gasoline engine oil with the grade of SM/GF-4, SN/GF-5, SN plus, SP/GF-6 and the like can be met, and the occurrence frequency of low-speed pre-ignition can be remarkably reduced.

The invention provides a method used for leading an IP multimedia sub-system to carry out two-step position management on a user end (UE); the position management of UE is carried out by a two-step position management mechanism TTLM method where home network and visit network are respectively registered; the register of the visit network is used for carrying out the position management on the registered UE which is arranged in the visit network; when the UE roams, the visit network determines whether to trigger the register process of the home network according to the change situation of the IP address of the UE, thus reducing the signalling load of the IMS network. Furthermore, when the UE roams from the home network to the visit network and call-in or call-out conversation IOS event occurs, the method of the invention adopts a two-step position management mechanism TTLM method and a dynamic position updating mechanism DLU method to carry out the position management on the UE. The method of the invention solves the defects of the prior art better, effectively reduces the load of the HSS and S-CSCF, reduces the transmission quantity of the position updating signals, and improves the utilization ratio of the network resource.

The invention relates to a novel dynamic and static pressure tilting pad thrust bearing thrust pad structure. The novel dynamic and static pressure tilting pad thrust bearing thrust pad structure comprises a main pad body (1), astatic pressure oil cavity (2), a static pressure oil path (3), oil outlet holes (4) and a temperature sensor (5), during normal working of a thrust pad, the fluid dynamicpressure is mainly used for supporting a thrust plate, static pressure support is secondary, the oil outlet holes are formed in the middle of a bearing pad, thus mutual interference of oil between thetwo parts of the thrust pad is reduced, a throttle valve is arranged in the static pressure oil path, and the throttle valve is controlled by the temperature sensor. According to the novel dynamic and static pressure tilting pad thrust bearing thrust pad structure, a thrust pad feedback system is arranged, the possibility of pad burning can be reduced, and the life of bearings is greatly improved.

The invention provides a gasoline engine oil composition and a preparation method thereof. The gasoline engine oil composition comprises the following components: a) a viscosity index improver; b) alkylated diphenylamine; c) a polyisobutylene succinimide ashless dispersant and/or a boronized polyisobutylene succinimide dispersant; d) calcium sulfonate and/or sulfurized calcium alkyl phenolate; e) zinc dialkyl dithiophosphate; f) a composite friction modifier; g) a phosphite type extreme pressure anti-wear agent; h) a major amount of a lubricating base oil; wherein the structure of the viscosity index improver is shown as a general formula (I), and the definition of each group in the formula (I) is shown in the specification. The gasoline engine oil composition disclosed by the invention has excellent high-temperature cleaning performance, oxidation resistance and wear resistance, can meet the requirements of gasoline engine oil at levels of SNGF-5, SN plus, SP/GF-6 and above, and remarkably reduces the occurrence frequency of low-speed preignition.