407results about How to "Various ways to use" patented technology

The invention discloses a block chain multi-chain management method and device. The blockchain multi-chain management method is applied to a blockchain multi-chain system. The blockchain multi-chain system comprises a plurality of blockchain nodes, wherein a plurality of block chains are stored in each block chain node, and the plurality of block chains comprise a main chain and at least one sub-chain. The block chain multi-chain management method comprises the following steps: when a first sub-chain in a first sub-chain consensus node registers and joins in the plurality of block chains of the block chain multi-chain system, the main chain consensus node acquires a registration request sent by the first sub-chain consensus node; the main chain consensus node verifies the legality of the first sub-chain consensus node according to the registration request; and when it is verified that the first sub-chain consensus node is legal, the main chain consensus node manages the first sub-chainconsensus node through a preset multi-chain smart contract. According to the method and the device, the problem that the existing blockchain multi-chain management data is easy to make mistakes is avoided, the overall performance of a blockchain system is improved, and a feasible scheme is provided for future blockchain multi-chain management.

The invention discloses a microbial sustained-release sphere for soil repairing, and belongs to the technical field of soil repairing. The microbial sustained-release sphere comprises a sustained-release sphere, wherein the sustained-release sphere comprises an inner water-soluble membrane, and the inside of the inner water-soluble membrane coats a plurality of microbial carrier spheres and microbial degradable plastic film spheres, which are distributed alternately; soil repairing microbial flora is adhered to the microbial carrier spheres; the microbial degradable plastic film spheres are filled with hydrogen peroxide; a plurality of straw fiber ropes which are uniformly distributed are fixedly connected on the inner wall of the inner water-soluble membrane, and are in a puffed shape; after being dosed into soil, the sustained-release spheres can be gradually degraded under the moisture effect along with time passing for constantly repairing the soil, the number of microbes can be constantly ensured, multiple dosage is not required, labor and materials can be saved, and the using method is diversified since the microbial sustained-release spheres can be dosed into soil optionallyin a turbid liquid manner.

The invention discloses a pure natural plant essential oil air freshener which comprises the following main components of plant essential oil and a solvent, wherein the plant essential oil mainly comprises the following components: eucalyptus oil, lavender oil, lemon oil, rosemary oil, and geranium oil, and the solvent mainly comprises the following components: Tween 80, ethanol and deionized water. According to the invention, 1. pure natural plant essential oil is the effective component, and is healthy and environment-friendly; 2. the fragrance is natural, and the smell is pleasant; 3. the contained active components such as ketone, aldehyde and the like can rapidly capture and effectively decompose stink molecules, remove peculiar smell, and cause no secondary pollution; 4. the bactericidal and bacteriostatic efficacy is significant, and air can be purified; 5. the efficacy of emotion calming, body and mind balancing, and health care is significant; 6. the application modes are diverse, and both mist spraying and fumigation can be performed; 7. the application space can be relatively closed space, such as rooms, hotels, public entertainment places, various types of compartments, and the like.

The invention discloses a detachable go-kart like a kid scooter. The detachable go-kart comprises the scooter, the scooter comprises a frame, front wheels are arranged at the front end of the frame and connected to the frame through deflection steering structures, a hand control rod capable of realizing front-and-back adjustment is further hinged to the front end of the frame, and when the hand control rod drives the frame to incline in the left-and-right direction, the front wheels can rotate in the left-and-right direction relative to the frame; a connecting frame is detachably arranged at the rear end of the frame, a seat is fixedly arranged at the upper end of the connecting frame, a balance car is detachably arranged at the lower end of the connecting frame and used for driving the scooter to drive, and a foot control switch connected with the balance car is detachably arranged at the front end of the frame and used for controlling driving of the balance car. By means of reasonable structural arrangement, the balance car and the scooter are assembled together through the connecting frame to form the go-kart which is controlled to advance, brake, turn and conduct other actionsthrough the hand control rod and the foot control switch, and therefore the detachable go-kart like the kid scooter has the advantages of being reasonable in structure and enriching the interestingness of product usage.

The invention discloses an automobile-used intelligent triangle warning sign based on the interaction of a mobile terminal. The triangle warning sign comprises mobile platforms, a triangle warning sign, a wireless antenna, a main controller and a terminal mobile server, wherein the triangle warning sign, the wireless antenna and the main controller are mounted on the mobile platforms; the triangle warning sign, the wireless antenna and the mobile platforms are connected with the main controller; the terminal mobile server is used for sending an operating instruction of a user; and the main controller receives the operating instruction of the user through the wireless antenna, and controls the movement of the mobile platforms and the condition of the triangle warning sign according to the operating instruction. The automobile-used intelligent triangle warning sign is in long-range control by the mobile terminal, and the purposes of automatically placing the triangle warning sign by pressing one key and placing the triangle warning sign through manual remote control are realized.

An embodiment of the invention provides a method and a device for interacting with a voice assistant application. The method comprises the steps of responding a voice instruction, and performing comparison for determining whether a voice identification text after voice instruction identification is consistent with a preset text or the voice instruction is consistent with a preset voice instruction; if yes, acquiring a playing content which corresponds with the preset text or the preset voice instruction, wherein at least one preset text or preset voice instruction exists, and a correspondence between the preset text or the preset voice instruction and the playing content is pre-established; and playing the playing content on a display screen. According to the method and the device, on the condition that the user transmits the voice instruction to the voice assistant application, the voice assistant application generates a friendly response to the user, thereby improving interest of the voice assistant application on a mobile terminal, realizing multiple use modes of the voice assistant application and improving user experience.

The invention discloses a biological composite water treatment agent and a preparation method and application thereof. The biological composite water treatment agent consists of 30-40 parts by weightof a compound A agent and 60-70 parts by weight of a compound B agent. First of all, the agent A and agent B are prepared, then the agent A and agent B are mixed evenly and subjected to ultrasonic treatment and low-temperature polymerization reaction to obtain the biological composite water treatment agent, which is applied to sewage treatment, and the treated water quality reaches the sanitary standard of domestic drinking water. The agent A and agent B are not only independent compound water treatment agents, but also raw materials for preparing the biological compound water treatment agents, and can be used singly, jointly or made into the biological compound water treatment agents for sewage treatment. The application method of the biological composite water treatment agent is simple and convenient, the application link does not depend on complicated facilities and equipment for water treatment, and compared with the investment of the current conventional water treatment facilitiesand the dosage of the medicament, the investment of the water treatment equipment can be reduced by more than 80%, the dosage of the sewage treatment medicament can be reduced by 30-50%, and the biological composite water treatment agent is economical, environment-friendly and green and efficient.

The invention provides a photovoltaic drive solar air collector which comprises a collector cavity and a collecting plate arranged in the collector cavity, wherein the collector cavity is also internally provided with a solar photovoltaic plate, an S-shaped air channel, a wind guide plate and a partition plate; the wind guide plate divides the collector cavity into a front cavity and a back cavity, the partition plate is arranged in the back cavity and divides the back cavity into a back upper cavity and a back lower cavity, the solar photovoltaic plate and the collecting plate are connected together and the solar photovoltaic plate is arranged above the collecting plate, meanwhile, the solar photovoltaic plate and the collecting plate are arranged in the front cavity and divide the front cavity into a sunny cavity and a shaded cavity, and the S-shaped air channel is arranged in the shaded cavity. The collector has the advantages of complete heat exchange, good heat exchange effect, high heat utilization, low use cost and high economy.

The invention discloses an express receiving and sending system and method, and aims to solve the technical problem of unreasonable distribution of unmanned distribution resources in the prior art. The express receiving and sending system comprises an unmanned express station, a background server and at least one distribution robot, wherein the distribution robot carries out automatic distributionbetween the unmanned express station and a user. The invention also designs a method for sending the express, and the distribution robot automatically navigates to the doorway of the user according to the user order, obtains the express to be sent and then automatically returns to the unmanned express station. The invention further designs a method for receiving the express delivery. The deliveryrobot transports the express delivery from the delivery station to the doorway of the user at the appointment time. The system has the beneficial effects of being high in working efficiency and convenient to use.

The invention belongs to the field of composite materials and relates to a recovery utilization method of a continuous fiber-reinforced thermoplastic composite waste material. The recovery utilization method comprises the following steps of cutting a recovered continuous fiber-reinforced thermoplastic composite material, carrying out washing and drying, carrying out crushing, rolling a fiber-reinforced resin prepreg or a fiber fabric by traction and multiple metal rollers, putting the crushed material on the rolled fiber-reinforced resin prepreg or fiber fabric, putting a prepreg or fiber fabric layer on the surface of the crushed material, by traction, heating the crushed material and the prepreg or fiber fabric and carrying out rolling flattening, and carrying out cooling reeling or cutting. The recovery utilization method utilizes simple equipment, has a low price and low technical requirements, and has low energy consumption and high efficiency. The continuous fiber-long fiber mixed product prepared from the continuous fiber products has low performances, utilizes recovered materials as most raw material and has considerable economic and environmental benefits.

The invention discloses a microbial agent of Bacillus velezensis, belonging to the field of development and application of microorganisms. The Bacillus velezensis is Bacillus velezensis 1721, which has been preserved in China General Microbiological Culture Collection Cente on January 29, 2018, with an accession number of CGMCC No. 15324. The Bacillus velezensis 1721 provided by the invention maybe made into a wettable powder, a suspending agent, a water dispersible granule or a granule, and has high antibacterial activity in each dosage form; when acting on peanuts, the microbial agent of Bacillus velezensis 1721 can effectively prevent and treat root rot of peanuts and helps to reduce the usage and residual amounts of chemicals in agricultural products; and the microbial agent has the advantages of safety in use, no residues and convenient use.

The invention provides communication method of network camera and user terminal which is connected physically based on USB, and device and system. The method comprises that the network camera obtains access attribute information of user terminal and resolves connection type of the access attribute information, judges if preloaded first drive program can supports the access attribute information, if cannot, then loads second drive program corresponding to connection type of the access attribute information. The invention constructs at least two virtual paths such as virtual serial port path and virtual Ethernet path based on USB physical connection, supplements and enlarges remote access style of IP camera, enable user terminal to connect with IP camera by USB and access in close distance to IP camera.

The invention discloses a blockchain multi-chain management method and device. The blockchain multi-chain management method is applied to a blockchain multi-chain system. The blockchain multi-chain system comprises a plurality of blockchain nodes, wherein a plurality of blockchains are stored in each blockchain node, and the plurality of blockchains comprise a main chain and at least one sub-chain. The method comprises the following steps when a second sub-chain in the plurality of blockchains exits the plurality of blockchains, the main chain consensus node obtains an exit request sent by a second sub-chain consensus node, wherein the exit request comprises an identity identifier of the second sub-chain; the main chain consensus node verifies the legality of the exit request; if the exitrequest is legal, the main chain consensus node operates a preset multi-chain smart contract, so that the second sub-chain quits the plurality of blockchains. According to the method and the device, the problem that the existing blockchain multi-chain management data is easy to make mistakes is avoided, the overall performance of a blockchain system is improved, and a feasible scheme is provided for future blockchain multi-chain management.

Disclosed is a smart watch, comprising a dial plate and a watch band detachably connected to the dial plate, wherein a host chip and a host battery electrically connected to the host chip are arrangedinside the dial plate; a flexible battery is arranged inside the watch band; and when the watch band is connected to the dial plate, the flexible battery is electrically connected to the host chip. The smart watch of the present application has good endurance. Further disclosed are an electric quantity management system of a smart watch and an electric quantity management method for a smart watch.

The invention relates to a special method for applying 98% of Longxin dazomet microgranule, belonging to the technical field of disease and insect pest prevention and treatment. The method comprises the following steps of: ploughing 2-4 times when the relative water content of soil is 70%-75%, spreading the 98% of Longxin dazomet microgranule over the ploughed land parcel to be applied with the application amount of 30-40kg / 666.7 square meters, harrowing to the depth of 30cm, and then covering and sealing for 30-40 days by using a thin film at the average temperature of 0-20 DEG C; and turning up the soil and opening to the air for 7-10 days, and then planting crops with the conventional method. On the premise of ensuring the effects of prevention and treatment, the invention greatly reduces the application amount of the 98% of Longxin dazomet microgranule, thereby lowering the drug cost on each unit area, reducing the drug damage to the soil and atmosphere and lowering the environmental cost.

The invention discloses a mobile first-aid emergency intensive care device. The device comprises a stretcher vehicle for first-aid emergency intensive care, the stretcher vehicle comprises a stretcherbottom plate, a stretcher top plate is movably arranged above the stretcher bottom plate, sliding grooves are formed in the two sides of the bottom of the stretcher bottom plate respectively, and sliding blocks are slidably mounted in the two sliding grooves respectively. According to the mobile first-aid emergency intensive care device, not only is convenience provided for people to move the device, but also the whole device has a very good damping buffering effect, an excessively high vibration force borne by a patient on the stretcher top plate during movement can be counteracted, the paincaused by excessive vibration to the patient is reduced, and thus the occurrence of potential safety hazards is reduced. At the same time, the whole device can also achieve a folding function and canbe used for lifting the patient for transportation, the using mode is more flexible, and convenience is provided for people to choose and use.

The invention relates to the technical field of methane sensing accessory devices and particularly relates to a laser methane sensor for mining. The body height can be adjusted according to environmental needs, thereby improving the adaptability of the sensor; multiple whole use modes are provided, thereby reducing the use limitation of the sensor; and when the methane concentration exceeds the standard, underground managers can be conveniently reminded, thereby improving the use reliability of the sensor. The sensor provided by the invention comprises a body, a top plate, four groups of brackets and a bottom plate, wherein both the left side wall and the right side wall of the body are provided with probes, and the front side wall of the body is provided with a display screen; the four groups of brackets respectively comprise inserting columns and inserting pipes; a quickly-dismounting pipe clamp comprises a quickly-dismounting handle, a quickly-dismounting rod, a handle seat and a quickly-dismounting hoop; a group of iron sheets are arranged at the bottom end of the body; a group of magnet sheets are arranged at the top end of the top plate; the sensor also comprises a carrying rod and a massage cushion, and hook & loop fastenersmagic tapes are arranged at the top end and the bottom end of the massage cushion; and the sensor also comprises an alarm indicator lamp, an alarm speaker, a main control module, a first sensing module and a second sensing module.

Provided is a method for reducing the cadmium content in tobacco leaves. The method comprises the specific steps that (1) nanometer material zinc oxide is used for replacing ZnSO4.7H2O in original Kafer culture media, and 10 mg of nanometer material zinc oxide is added into 1 liter of culture media; (2) activated Piriformospora indica is inoculated to the liquid Kafer culture media in the step (1) for culture, then mycelia are collected, Piriformospora indica mycelium liquid is made and poured to roots of tobacco seedlings, and root-irrigation is conducted so that the Piriformospora indica can be colonized to the roots of the tobacco seedlings; (3) the tobacco seedlings are transplanted after the Piriformospora indica is colonized, and conventional water and fertilizer management are conducted so that the tobacco seedlings can grow normally. The growth status of the tobacco seedlings can be improved in the method, the amount of cadmium moving to overground parts of the tobacco seedlings from root systems is reduced, heavy metal residue on the tobacco leaves is reduced, and the method is easy to master, low in cost, simple, practical and environmentally friendly, and can not case secondary pollution.

The invention provides durable biomass polyphenol water-based flame retardant paint and a preparation method and applications thereof. The water-based flame retardant paint is mainly composed of biomass polyphenol or a combination of the biomass polyphenol and a salt through a coordination bond or / and adsorption. The preparation method is to mix the biomass polyphenol with a certain amount of water or add a binder on the basis, or to mix the biomass polyphenol with a certain amount of water and drop a salt solution or add a binder on the basis. The preparation method of the biomass polyphenolwater-based flame retardant paint is low in energy consumption, environmentally friendly and safe. The prepared biomass polyphenol water-based flame retardant paint has the advantages of durability, high flame retardant efficiency, strong adhesion, environmental protection and safety, can be directly used as water-based flame retardant paint, and can also be used as surface treatment and additiveflame retardant agents for different polymer materials.

The invention relates to an MXene-based water-based nano electric heating composite coating and a preparation method thereof, and the MXene-based water-based nano electric heating composite coating is prepared by the following steps: by using a water-dispersible MXene nanosheet as a conductive filler, respectively using water-based polyurethane, water-based polyacrylate or water-based epoxy resin and MXene to prepare water dispersion liquids with certain mass fractions, adding the MXene dispersion liquid into the water-based resin according to a preset mass ratio of the water-based resin to the MXene under the stirring action, and continuously conducting stirring to enable water-based resin macromolecules to be fully and uniformly adsorbed on MXene nanosheets, so as to obtain the water-based resin ester-MXene nano electric heating composite coating. The prepared coating can be constructed through spraying, dip-coating, roller coating or dispensing and other methods, has excellent electric heating performance and heating regulation performance, is high in adhesive force and good in flexibility, has the resistivity capable of being regulated as required, is low in required voltage and high in temperature rise rate, is not limited by the surface appearance of a base material in use, and is wide in application range.

The invention discloses a dual-terminal intelligent control tea stove. The dual-terminal intelligent control tea stove includes a base, a tea kettle and a water supply device; the tea kettle is arranged on the base through a heating device in a matching manner; a touch control panel is arranged on the base; a control circuit board is arranged in the base; the control circuit board is electrically connected to the heating device and the water supply device; the base includes a control module; the control module is electrically connected to a man-machine interaction module and a wireless signal receiving and transmitting module; the control circuit board is electrically connected to an output control module; and the touch control panel is electrically connected to the man-machine interaction module. The dual-terminal intelligent control tea stove can be controlled and operated by the touch control panel, can be controlled and operated by an intelligent terminal, is various in use manners, and can meet various demands and use habit.

The invention discloses a sinking vertical lifting gate. The sinking vertical lifting gate includes a weir body arranged on a river channel, support piers, and gate leaves; a gate groove is each formed in the weir body of upstream surfaces of the two support piers; two fixing oil cylinder seats are arranged on the bottom of the corresponding gate groove under each door leaf; first oil cylinder shafts are arranged on the fixing oil cylinder seats; movable oil cylinder seats are arranged on inner walls of the upper end surfaces of the door leaves at corresponding positions perpendicular to the fixing oil cylinder seats; second oil cylinder shafts are connected to the movable oil cylinder seats; the second oil cylinder shafts are connected to the first oil cylinder shafts through hydraulic oil cylinders; rail casings are vertically arranged on downstream surfaces of the gate leaves; at least two rolling members are arranged in each rail casing; the rolling members match slide rails; the upper parts of the slide rails are arranged on the upstream surfaces of the support piers, and the lower parts of the slide rails are arranged on inner walls of the gate grooves; and the hydraulic oil cylinders are connected to an external hydraulic control system through oil tubes. The sinking vertical lifting gate can avoid water blocking and trash blocking, can reduce the cost, and can meet the use demand of people.

The invention relates to the technical field of horizontal mixer production and particularly relates to a split deep groove ball bearing which comprises an inner ring, an outer ring and a ball, wherein at least one ball slide is arranged between the inner ring and the outer ring; the inner ring consists of two axially split inner half rings; the two inner half rings are connected through a first positioning pin and a first connecting bolt; the outer ring consists of two axially split outer half rings; and the two outer half rings are connected through a second positioning pin and a second connecting bolt. In the split deep groove ball bearing disclosed by the invention, with multiple rows of ball slides and the split inner ring and outer ring, the mounting and maintenance of the deep groove ball bearing are more convenient, and the bearing capacity is better; due to positioning pin holes and connecting bolt holes, more diverse using ways of the split deep groove ball bearing can be realized, relative rotation as well as combined rotation of plates is realized, for example, the inner ring on the shaft, the outer ring on the plate, the outer ring in the hole and the inner ring on the plate.

The invention discloses an electric vehicle chassis, which comprises a frame, wheels and a power supply system. The power supply system serves as a main framework, and comprises a power supply tank fixed on the frame, standardizing boxes arranged in the power supply tank and batteries contained in the standardizing boxes; slide devices are arranged in the power supply tank; the standardizing boxes are fixed in the power supply tank through electronic locks; the standardizing boxes correspond to the positive and the negative poles of the power supply tank; and the wheels are connected with thepower supply system through motors. According to the electric vehicle chassis, fast forward switching for an electric vehicle can be realized, labors and materials are saved, and the switching efficiency for the electric vehicle can be effectively increased.

The invention relates to an electronic plug and an electronic key. The electronic plug comprises a plug body and a plug component, wherein the plug component comprises an electronic cylinder, a printed circuit board (PCB), a spring seat and a slider set; the slider set is connected with the spring seat by a spring; a heat shrink metal wire and a positive lead are arranged between the PCB and the slider set; the PCB comprises a first micro processing unit, a first data interaction module and an electronic switch; and one end of the electronic switch is connected with the positive lead at a connection point on the slider set by a return wire, while the other end is grounded. The electronic key comprises a key body and a power supply and a second micro processing unit which are arranged in the key body, wherein an identification head is arranged at one end of the key body; and a memory and a second data interaction module are connected with the second micro processing unit. According to the invention, the long-term electrification of the electronic plug is avoided, and the maintenance cost of an electronic lock is reduced; and meanwhile, the electronic key is changeable in coding and high in flexibility and can be provided with different permission and validity.

The invention provides an RFID tag device based on physical properties, which is easy to realize and can be controlled by the user to achieve the privacy protection function based on demands. According to the invention, an RFID tag device is provided, which comprises an RFID tag composed of an antenna and a chip, and a shielding component which can be switched between a first state and a second state; wherein, the first state shields the RF signal going to or coming from the RFID tag; the second state does not shield the RF signal going to or coming from the RFID tag.

The invention provides a method for reducing lead content of tobacco leaves. According to the method, parasitic piriformospora indica at the root of tobacco is utilized to reduce heavy metal lead residues in tobacco. The method comprises the following specific steps: (1) by use of utilizing nano material ZnO to replace ZnSO4.7H2O in an original Kafer culture medium, adding 10mg of nano material ZnO into per litre of the culture medium; (2) inoculating the activated piriformospora indica into the liquid Kafer culture medium obtained in the step (1) for culturing, then collecting mycelia, preparing a piriformospora indica mycelium solution, then pouring the piriformospora indica mycelium solution to the root of a tobacco seedling, and performing root-irrigation treatment so as to colonize the piriformospora indica at the root of the tobacco seedling; (3) after performing piriformospora indica colonization, transplanting the tobacco seedling into a large field, and then performing routine water and fertilizer management so as to enable the tobacco to grow normally. The method can be used for improving the tobacco growth condition, reducing the transfer of the heavy metal lead from a root system to the overground part of the tobacco and reducing the heavy metal lead residues, and is easy to master, relatively low in cost, simple and practical, environment-friendly, and incapable of causing secondary pollution.

The invention discloses a clamshell handset and control method thereof wherein the clamshell handset includes a first main body and a second main body in rotary connection with the first main body. The inner side of the first main body is provided with a first touch control display screen. The outer side of the first main body is provided with a camera; the inner side of the second main body is provided with a second touch control display screen. When the clamshell handset is closed, the first touch control display screen and the second touch control display screen are opposite to each other. The clamshell handset and the control method thereof enable a user to check and operate conveniently; and the display of the clamshell handset is more diverse so that the user could have better use experience.

The invention relates to a tool used in the field, in particular to a multi-combined field mountain climbing walking stick. The multi-combined field mountain climbing walking stick comprises a shoulder oxter bracket mechanism, a connecting rod body frame, a step support rod mechanism, a handle mechanism, a cutter tool mechanism, a buffer ascending assisting mechanism and a bottom frame mechanism. The use modes of the walking stick are various; the walking stick is used according to practical requirements; the walking stick has the ascending assisting function; the labor is saved during the use by a user; the ascending assisting strength is adjustable; and in the use process of the walking stick, the safety performance is good, and the stability is high. One end of the connecting rod body frame is connected with the shoulder oxter bracket mechanism; the other end of the connecting rod body frame is connected with the step support rod mechanism; a first round threaded rod arranged on the step support rod mechanism is connected with a third threaded blind hole formed in the cutter tool mechanism through screw threads; straight rods are connected with a second threaded blind hole through screw threads; the bottom frame mechanism is connected with a case through screw threads; a second threaded straight rod arranged on the bottom frame mechanism is connected with a fifth threaded blind hole through screw threads; and the handle mechanism is arranged on the connecting rod body frame.