45results about How to "Cost reached" patented technology

The invention provides a Bluetooth radio wave zero calibration and timing system and method. The system comprises a display portion, an MCU circuit, an electric motor and a BLE communication module, wherein the display portion is an LCD display screen or a time indicating pointer and the LCD display screen, the BLE communication module is a Bluetooth module or a BLE module, the MCU circuit is adopted as a control circuit, the time calibration structure of most traditional radio wave clocks can be removed, cost can be reduced, meanwhile, the clocks can be made to be more durable, timing and calibration can be automatically achieved for a long time at regular intervals, the daily rate can be corrected, a precise deviation rectification mechanism can be built in an internal chip of each clock, labor cost and labor intensity can be greatly reduced, and the clocks with the low cost can obtain the time precision identical to that of a clock with the high cost. The problem that the radio wave clocks cannot accurately display time under the state without the radio wave signals is solved, and meanwhile the aim that when a user reaches different countries, adjustment of different time zones can be performed is easily achieved.

The invention discloses a cutting seedling raising method of peltate yam rhizome. The method comprises the steps of firstly, branch collecting: from last twenty days of June to last twenty days of September, the portion of the peltate yam rhizome with vine length larger than 2m is sheared down, a sheared mouth is placed in water, and sheared peltate yam rhizome is stored in a shade place; secondly, branch cutting: sheared branches are trimmed into branches with 1 to 2 complete leaves and at least one burl to be used as stump plant, the diameter of stem of the stump plant is 1mm to 2mm, and the length of the stem of the stump plant is 1cm to 8cm; thirdly, cuttage: the stump plant is horizontally inserted in a damp cutting medium, the branch is buried in the medium by 1cm to 6 cm, the leaves are exposed in the air, and cuttage density is suitable if leaves are not overlapped; fourthly, management after cuttage: temperature is maintained between 25 DEG C to 33 DEG C, and humidity is maintained between 30% to 40% when cuttage is carried out, plant growth regulating substance solution hastening rooting and forming of corms is sprayed in time during a managing and protecting period; fifthly, transplanting: after one or two months, the peltate yam rhizome after cuttage sprouts adventitious roots and new branches, a planting percent reaches more than 95%, and transplanting requirements are met.

The invention discloses a cold region tunnel thermal insulation system and an installation method thereof. According to the thermal insulation system, heat (cold) wind is continuously injected into anarch insulation device which is fixed on the inner wall of the tunnel, the characteristics of good thermal insulation performance and poor thermal conductivity of air are used, and the single thermalinsulation time of the system can be prolonged when the energy consumption of thermal insulation is reduced. The cold region tunnel thermal insulation system can prevent tunnels in permafrost regionsfrom freezing thawing, and can also prevent tunnels in seasonal cold regions from frost heaving, so that the tunnels are kept from frozen damage. The cold region tunnel thermal insulation system hashigh reliability, modular parts facilitate installation and maintenance, and the cold region tunnel thermal insulation system can be used not only for a newly built tunnel, but also for the thermal insulation reconstruction of an existing tunnel.

The invention discloses a green self-compacting concrete and a preparation method thereof. The preparation method comprises the following steps that: according to a solid particle accumulation way and a compressible accumulation model, calculating the accumulation compactness of a binding material system, an aggregate system and a mixed material system; obtaining a pre-selected binding material combination, an optimal sand ratio and a volume ratio of a pre-selected material system to the aggregate system; according to the compressive strength requirement of the green self-compacting concrete and the accumulation compactness of the binding material system, determining a mass ratio of water to the binding material system, and calculating the specific mixing amounts of the binding material system, the aggregate system and the water; according to the specific mixing amount of the binding material system, determining the mixing amount of water reducing agent; and evenly stirring and mixing to obtain the green self-compacting concrete. By use of the green self-compacting concrete, from the perspective of solid particle accumulation, the property of raw materials which are practically selected is considered, the compressible accumulation model is combined to optimize the accumulation compactness, and the use amount of the binding material is obviously lowered.

The invention relates to a surface adhesion type light-emitting component structure and a making method thereof. The structure comprises a first pin, a second pin, a conversion seat body and a lamp body, wherein the conversion seat body comprises a first surface and a second surface; the lamp body is arranged on the first surface and connected with the conversion seat body, and covers part of the first pin and second pin; and the first pin and the second pin are separately bent to extend to the second surface, and at least partially project out of the second surface to form a first guide connection part and a second guide connection part. The invention can utilize the characteristics of low cost, high power, small light emitting angle and high brightness of the plug-in light-emitting component, so that the light-emitting component can be combined with the conversion seat body to form a new surface adhesion type light-emitting component structure, thereby meeting the requirements on high power and high brightness, lowering the cost and simplifying the technique. In addition, the invention can be conveniently installed on a circuit carrier by an automatic technique, and can widen the application range of the plug-in light-emitting component.

The invention provides an automatic desilting water conservancy project system for a solar power supply water way and belongs to the technical field of water conservancy projects. The automatic desilting water conservancy project system for the solar power supply water way is composed of the water way, a connection frame, a water return pipe, a water return pipe frame, connection frame expansion joints, solar panels, an anti-disengaging wheel support, a wheel frame, a telescopic pipe, dynamic wheels, water inlet pipes, an anti-disengaging wheel, a suction pump flow dividing device, a stirring head handle, a stirring head, a sediment releasing device, auxiliary wheels and an outertrigger. The automatic desilting water conservancy project system is characterized in that bearings are fixed outside the upper end and the lower end of a stirring head center pipe, and a rotating pipe is movably connected to the stirring head center pipe through the bearings so that the rotating pipe can rotate with the center pipe as the axis; a rotating pipe gear is fixed outside the upper portion of the rotating pipe, and a stirring head disc is fixed to the lower end of the rotating pipe; two stirring head whips are fixed to the peripheral edge of the stirring head disc, and two circles of tapered stirring head teeth and one filtering screen cleaning rod are fixed to the lower surface. Devices used in the automatic desilting water conservancy project system are easy to manufacture, and the system is high in operability, low in cost and obvious in effect.

The invention relates to a preparation method of a composite silicon carbon negative electrode material. The preparation method is characterized by comprising the specific steps of performing pretreatment of expanded graphite, preparing a precursor turbid liquid, preparing a precursor and preparing a silicon-rich material, and then dissolving polyacrylonitrile into an organic solution to prepare a solution with concentration of 5-20%, wherein the organic solvent is dimethyl formamide; adding a proper mass of the silicon-rich material obtained in the step four, wherein the adding amount of the silicon-rich material is determined according to different capacity requirements, and it is ensured that the theoretical silicon content is 20% or below based on the adding mass; performing complete ball milling, stirring and mixing, and preparing a silicon carbon negative electrode composite wire body by adopting an electrostatic spinning method; and performing high-temperature calcining on the silicon carbon negative electrode composite wire body under protective atmosphere at a temperature of 500-800 DEG C for 4-8h, and then performing smashing to obtain the silicon carbon composite material. By virtue of the preparation method, a buffer layer can be better provided for silicon; and finally, by matching with the electrostatic spinning method, the macromolecule organic spinning object is used as the main carbon source for compounding, so that the buffering effect to silicon can be further improved while the material cost is lowered, thereby realizing controllability of cost and performance.

The invention discloses a large-power ultrasonic magnetostrictive transducer which is characterized in that a plurality of layers of magnetostrictive material sheets are oxidized and laminated, the front ends of the magnetostrictive material sheets are welded with a metal vibration energy collector, coils are wound on the plurality of layers of magnetostrictive material sheets, the plurality of layers of magnetostrictive material sheets are installed in a protective shell, and the coils are led out of the shell to be installed on a binding post and connected with a controller through data lines. The large-power ultrasonic magnetostrictive transducer is simple and easy to use, works online in real time without delaying production and life, and has no secondary pollution due to no use of chemical agents so that corrosion to equipment and economic cost are reduced.

The embodiment of the invention provides an equipment manufacturer open type access smart home platform and a data processing method thereof. The method comprises steps that a smart home APP establishes long connection communication with a cloud server through Html5 WebSocket; a remote intelligent gateway establishes long connection communication with the cloud server based on TCP Socket, and is connected with different types of terminal devices through an identity of an information hub, and thereby data communication and interaction between the smart home App and a terminal device is realized. The platform may perform the method. The method is advantaged in that low-cost interconnection and intercommunication can be achieved, the effect of household ubiquitous Internet of Things is achieved through cooperation with hardware partners, and popularization of the Internet of Things is promoted.

The invention discloses a high-strength antibacterial PE water supply pipe, and belongs to the technical field of water pipes. The PE water supply pipe is prepared from the following raw materials in parts by weight: 42.5 to 60.8 parts of polyethylene resin, 20.3 to 30.3 parts of polyvinyl chloride resin, 1.2 to 4.5 parts of talcum powder, 1.5 to 2 parts of light calcium carbonate, 3.1 to 4.1 parts of antibacterial composition, 2.1 to 4.3 parts of cross-linking agent, 0.4 to 0.8 part of coupling agent, 0.6 to 1 part of stabilizer, 0.2 to 0.5 part of antioxidant and 0.2 to 0.5 part of dispersing agent. The invention also discloses a production process of thewater supply pipe. The process comprises the steps: mixing raw materials; and adding the mixture into a double-screw extruder for granulating, carrying out melt extrusion, and performing cooling, cutting, expanding and packaging. The prepared water supply pipe has good rigid strength and excellent stability, and the cheap inorganic metal particles are used for replacing silver ions, so that a considerable bactericidal effect is achieved.

The invention relates to an antibacterial moisture-absorbing heating composite fabric and a preparation method thereof. The antibacterial moisture-absorbing heating composite fabric is of a three-layer integrated structure which comprises a surface fabric, a core vapor-permeable film and an inner fabric from top to bottom in sequence, wherein the surface layer is made of a polar fleece fabric witha single-sided towel structure and moisture-absorbing and heating functions, a fluff layer composed of blended yarns is woven on a ground weave formed by polyester low stretch yarns, and the blendedyarns are prepared from superfine polyester and heating mucilage glue; and an inner layer is an antibacterial mesh knitted fabric and is prepared from polyester yarns, polyester antibacterial yarns containing nano-silver or antibacterial metal oxides and elastic spandex. According to the invention, the inner fabric absorbs moisture on the body surface and conducts the moisture to the surface fabric; the surface fabric converts moisture into heat energy; heat energy is slowly conducted to the inner fabric through the core vapor-permeable film, so the virtuous cycle of continuous moisture absorption and heat release of the composite fabric is realized. The antibacterial moisture-absorbing heating composite fabric promotes the stability of the microenvironment of the human body, a wearer always feels warm, dry and comfortable when wearing the fabric, and the comfort, moisture permeability and antibacterial property of the fabric during wearing are guaranteed.

The invention provides a device for gene purification. The device comprises a sucker, a sleeve, a screening plate and a push rod, wherein the sucker is tightly adhered to the front end of the sleeve; the screening plate takes the shape of a circular piece which is matched with the cross section of the inner wall of the sleeve in size; the screening plate and the push rod are sequentially arranged inside the sleeve and are tightly adhered to the inner side wall of the sleeve; an absorbing material is placed between the screening plate and the front end of the sleeve. The invention further provides a method for gene purification by using the device. Low-cost and high-efficiency purification of bacterial genome and plasmid, PCR Clean and rubber recycling can be achieved by using normal consumables and medicines of laboratories, and moreover no toxic organic solvent is involved in the whole extraction process. The device provided by the invention is simple in manufacturing method and operation method and can be recycled, and the cost can be lowered. No centrifuge is used in the washing and elution process, and ethanol is not needed to be volatized before elution, so that the time can be shortened. The device is rich in specification, and trace and large-scale operation can be implemented.

The invention provides a method and a device for integrating a wireless local area network (WLAN) and a wireless cellular network. The method comprises the followings steps: a baseband basic unit (BBU) of the wireless cellular network forwards authentication request information from a WLAN terminal to a core network of the wireless cellular network; the BBU forwards the authentication respond information from the core network to the WLAN terminal to complete the authentication of the core network to the WLAN terminal; and after the authentication is passed, the BBU establishes a channel for the WLAN terminal to access the core network so as to enable the WLAN terminal to access the core network. The method and the device, provided by the invention solve the problems that the WLAN and the wireless cellular network can not be completely integrated, and the cost of the integrating scheme of the WLAN and the wireless cellular network are higher in the correlation techniques, and realize the effects that the WLAN and the wireless cellular network can be completely integrated, and the integrating costs of the two networks can be lowered, thereby realizing the effect that the WLAN can be quickly deployed on an existing cellular network.

The invention provides a cold area pipeline heat preservation system and a testing method. A pipeline is wrapped by a plurality of joints of air pipes, the head ends of the air pipes are connected with a draught fan to continuously lead high-temperature gas into the air pipes, the air pipes are fixed to the outer side of the pipeline through supports, air flues are formed between the pipeline andthe air pipes, and the high-temperature gas continuously heats the pipeline in the air flues. By means of the system, the anti-freezing guarantee can be provided for a cold area tunnel water fire control system in winter, accordingly, the situation that fire control pipeline is frozen due to severe cold, and guarantee is lost for the tunnel fire disaster safety is avoided, and the purpose of improving the reliability of the tunnel fire control system under the severe cold situation is achieved.

The invention discloses on-line real-time settlement observation equipment which comprises a reference device, an observer, an indicator, communicating pipes and a collector, wherein the reference device is arranged at a reference point; the observer is arranged at an observation point; the indicator is communicated with the reference device and the observer through communicating pipes, and is provided with an indicating pipe; the collector is arranged on one side of the indicator, image data are recognized and monitored in real time, manual work is not needed, and automatic observation is achieved. According to the online real-time settlement observation equipment, the inner diameter difference of the reference device, the collector and the indicator is used for amplifying settlement information, and bubble movement is used for collecting information, so that the purpose of testing tiny settlement is achieved, and high precision of settlement measurement is realized; a high-precision sensor is not needed, so that the cost is greatly reduced. The invention further discloses an online real-time settlement observation method, settlement data are monitored in real time according to the relation between the bubble moving distance and the settlement value, and the timeliness of a detection result is guaranteed by establishing a prediction model.

The present invention relates to a manufacturing process and an application process of a wall surface decoration coating material. The manufacturing process comprises: mixing 3.3 kg of water, 50 g of cellulose HPMC, 125 g of a styrene-acrylic emulsion and 10 ml of a whitening liquid to prepare a mixed liquid A for spare; mixing 550 g of water and 150 g of corn starch to prepare a mixed liquid P, mixing 260 g of water and 30 g of caustic soda to prepare a mixed liquid Q, and mixing the mixed liquid P and the mixed liquid Q to prepare a mixed liquid B for spare; mixing 2.3 kg of ash calcium, 6 kg of calcium carbonate and 125 g of bentonite to prepare mixed powder C for spare; and uniformly mixing the mixed liquid A, the mixed liquid B and the mixed powder C so as to obtain the coating material matrix. According to the present invention, the manufacturing process is simple, the cost is stable and reliable, the effect of the ceramic tile can be achieved through the coating material coating, the wall surface decoration cost is effectively reduced, water washing thousands of times can be achieved, the pressing calendaring is easy and rapid, and the coating material is the ideal wall surface decoration coating material.