954results about How to "High cost of solution" patented technology

The invention belongs to the technical field of insulation material for building, and particularly relates to a foam cement insulation material for exterior wall and a preparation method thereof. The foam cement insulation material for exterior wall is prepared from raw materials comprising ordinary portland cement, sulphoaluminate cement, fly ash, silica fume, an expansive agent, a coagulating enhancer, a tackifier, a water-reducing agent, a waterproofing agent, a foaming agent, a foam stabilizer, fiber and water. The preparation method comprises the following steps: (1) first conducting dry mixing on ordinary portland cement, sulphoaluminate cement, fly ash, silica fume and the expansive agent, adding coagulating enhancer, tackifier, water-reducing agent, waterproofing agent, foam stabilizer, water and fiber, and stirring to obtain a slurry; and (2) adding the foaming agent in the slurry, and filling the foamed slurry into a mold. The foam cement insulation material for exterior wall has good fire resistance, long service life, good insulation property, light weight, high strength, low water absorption and good crack resistance.

The invention discloses an indoor robot positioning navigation method and device. The method comprises using a camera on a robot to shoot an image containing a calibration plate positioned above the robot; using an image processing technology to recognize the calibration plate in the image, determining a current position and a current deviation angle of the robot according to the calibration plate in the image and known coordinates of the calibration plate, and positioning absolute positions of the robot; by taking the current position and the current deviation angle as a reference, navigating the robot by adopting an inertia navigation manner. By using the invention, problems of low positioning precision, high cost, inconvenient use and narrow use range of the existing positioning navigation method are solved.

The invention relates to a one-key intelligent cooking induction cooker comprising a cooker body. The one-key intelligent cooking induction cooker is characterized in that the cooker body is providedwith a function key; the cooker body is internally provided with a power unit, a temperature detection unit, a timing unit, a behavior judgment unit, a cooking control unit and a temperature compensation unit, and the signal output end of the function key is connected to the control signal input end of the power unit and the signal input end of the timing unit; the signal output end of the temperature detection unit and the signal output end of the timing unit are each connected to a signal input end of the behavior judgment unit, and the signal output end of the behavior judgment unit is connected to the input end of the cooking control unit and the input end of the temperature compensation unit; the output end of the cooling control unit is connected to the feedback input end of the power unit, so that a close control loop is formed; the behavior judgment unit is provided with a logical judgment structure for sensing cooking behaviors, types of cooking ingredients and food cooking degree, so that a one-key intelligent cooking structure is formed. The one-key intelligent cooking induction cooker has the characteristics of the simple structure, easy operation, various dishes and the like.

The invention discloses a Beauveria bassiana HFW-O5 bacterial strain CGMCC No.2356. The bacterial strain is separated from the Bemisia tabaci corpse in the tomato greenhouse in the suburb of Baoding city. The bacterial strain has no harmful effects for the human beings and the survival environment of the human beings and has very high toxic effects for the Bemisia tabaci, small white butterflies, aphids and other pests, the field efficacy trials for the field prevention and treatment of Bemisia tabaci, small white butterflies, aphids and other pests prove that the prevention and the treatment effects of the three pests of Bemisia tabaci, small white butterflies and aphids can achieve more than 70 percent.

The invention provides a method for enhancing metal recovery of a waste lithium ion battery. The method for enhancing the metal recovery of the waste lithium ion battery comprises the steps that firstly, the waste lithium ion battery is calcinated, smashed and sorted so that positive electrode powder materials can be obtained; and then, wet leaching is conducted on the positive electrode powder materials, and mechanical and chemical activation is achieved through a high-energy ball mill in the leaching process, wherein mechanical and chemical activation is executed during leaching, so that the obtained leach liquor can be further used for recovery of valuable metal elements. By the adoption of the method for enhancing the metal recovery of the waste lithium ion battery, the procedure is simple, the operability is high, under the cooperative action of mechanical force and chemical activation, the leaching time of the positive electrode powder material can be greatly shortened, the leaching rate of the metal elements is improved, cost is reduced, and the market prospect is good.

The invention provides a sucking pig early compound feed and a preparation method thereof, wherein the compound feed consists of the following raw materials in percentage by weight: 18-22% of puffing corn, 6-8% of corn, 13-17% of wheat, 13-17% of wheat germ, 11-15% of bean pulp, 5-10% of puffing soybean, 5-10% of whey powder, 3-5% of fish meal, 2-3% of amylaceum, 1-3% of pullersun, 1-2% of soybean oil, 1-2% of calcium hydrophosphate, 0.5-1% of mountain flour, 0.2-0.5% of acidulant, 0.2-0.5% of zinc oxide, 0.2-0.5% of vitamine premix compound for pigs, 0.2-0.5% of mineral premix compound for pigs, 0.2-0.4% of salt, 0.2-0.3% of lysine, 0.05-0.1% of methionine, 0.05-0.1% of treonine, 0.05-0.1% of choline chloride, 0.01-0.03% of tryptophan and 0.01-0.03% of antioxidant. All the raw materials are crushed so that 100% of the raw materials pass through a standard sieve of 30 meshes, 95% of the raw materials pass through a standard sieve of 40 meshes, granulation is carried out at 75 DEG C,and the gelatinization degree reaches 90%. In the invention, the nutrient requirements after the sucking pig weaning-post-weaning two weeks are satisfied, and a foundation is laid for piggy high growth performance.

The invention discloses an automatic positioning method for a cable local discharge single end of an OWTS (Oscillating Wave Test System) detection device. The automatic positioning method comprises the following steps of: extracting a positioning parameter containing positioning information from test data saved in an OWTS local discharge detection device; enabling the positioning parameter to generate a graph of sampling points; respectively setting waveform sections corresponding to wave crests in the graph as original pulses; then searching the waveforms matched with the original pulses from the graph; calculating the time difference between the wave crests matched with the waveforms and the wave crests of the original pulse; and calculating the position of a fault according to the time difference. The invention also provides an automatic positioning system for the cable local discharge single end of the OWTS detection device. By using the technology disclosed by the invention, the fault pointing result of the cable is more intensive and scatter points are reduced, so that more accurate positioning analysis result is obtained, automatic analyzing and positioning can be carried out and costs of labor consumption and positioning are reduced.

The invention relates to an FPGA (Field Programmable Gate Array)-based micro-space oversampling direct-current balance serial deserializer, aiming to realize verification and design based on serial deserializer in an FPGA without built-in serial deserializer. The FPGA-based micro-space oversampling direct-current balance serial deserializer mainly comprises a clock data recovery (CDR) module, a 8B/10B encoder, a 8B/10B decoder an asynchronous FIFO (First In First Out) buffer module, a clock generation module, a parallel-to-serial conversion module, a serial-to-parallel conversion module, a framing module and a de-framing module. At a transmitting end, data are buffered by the asynchronous FIFO buffer module, input into the 8B/10B encoder (by 8 bits in one frame) for encoding through the framing module, then processed by the parallel-to-serial conversion module and finally output in a differential manner. At a receiving end, a differential signal is accepted by a differential input module and input into the serial-to-parallel conversion module to be output, the output data are decoded by the 8B/10B decoder, then input into the de-framing module, and finally output by the asynchronous FIFO buffer module in a buffer manner.

A method signal for decoding in a diversity reception system can include converting the received RF signal into a plurality of digital baseband signals; phase aligning the plurality of digital baseband signals to produce a plurality of phase aligned digital baseband signals; determining a plurality of error terms from the plurality of phase aligned digital baseband signals; one of which corresponding to one of the plurality of phase aligned digital baseband signals; determining a plurality of weighting factors for the plurality of error terms based on characteristics of the plurality of digital baseband signals, one of which corresponding to one of the plurality of error terms; applying the plurality of weighting factors to the plurality of error terms to produce a plurality of weighted error terms; summing the plurality of weighted error terms to produce an error term for decoding.

The invention discloses a method for fermenting and preparing biological butyl alcohol by using lignocellulose biomass as raw material. Dilute acid is used to hydrolyze lignocellulose biomass to prepare multi-component sugar solution; detoxication treatment and sterilization treatment are conducted to the multi-component sugar solution through membrane separation method and adsorption separation method, sterilization treatment is conducted to the multi-component sugar solution through the membrane separation method, then sterilization treatment is conducted to fermentation culture medium containing no carbon source under high temperature, and finally the sterilized multi-component sugar solution and the sterilized fermentation culture medium containing no carbon source are combined together to prepare fermentation culture medium; butyl alcohol production strains are inoculated in the fermentation culture medium and biological butyl alcohol is prepared through fermentation; and solid-liquid separation treatment is conducted to the fermented liquid and the liquid is distilled to obtain butyl alcohol, acetone and ethyl alcohol. The invention solves the problems of 'striving for grains with people and striving for land with grains' and high raw material cost existing in the traditional butyl alcohol fermentation and production method, and realizes the multiple utilization of lignocellulose biomass.

The invention provides a photographing control method, a camera module and a mobile terminal. The camera module comprises a first lens group; a second lens group; an image sensor arranged at the imaging side of the first lens group and the second lens group; and multiple reflection elements of which reflection states are adjustable. The multiple reflection elements are arranged between the first lens group and the lens group, and the image sensor. Light rays of the second lens group and/or first lens group for photographing an image are reflected by the multiple reflection elements and then are projected on the image sensor for imaging. In this way, the problems that the cost is relatively high and the thickness of the module is relatively high due to the fact that independent image sensors are employed for double cameras in an existing camera module are solved; the beautiful appearance is ensured; and the user experience is improved.

The invention discloses a railway power supply system comprehensive electric energy quality treatment device and method thereof. A static var generator comprises a power unit and an electric reactor and is connected with a pre-charge loop; the power unit is connected in series with the electric reactor; and the pre-charge loop is connected with a power side of a power grid through an AC (alternating current) switch. A thyristor switch electric reactor comprises more than two electric reactor branches; each electric reactor branch comprises an electric reactor and an electronic switch; the electric reactor is connected in series with the electronic switch; and the electric reactor branch is connected in parallel on a load side of the power grid through the electronic switch. A control protection system controls the investment of the electric reactor branches to compensate for the reactive power and controls the static var generator to compensate for the reactive power. The device and method disclosed by the invention overcome the technical shortcomings that the cost is high by using a static var generator only and the thyristor switch electric reactor can not realize continuous compensation, and also consider the advantages of high regulation speed, wide operation range, reactive power compensation and harmonic wave treatment of the static var generator and large capacity and low cost of thyristor switch electric reactor.

The invention provides a method and device for switching interfaces dynamically. The method includes the steps that a first attribute configuration file of the first display interface and a second attribute configuration file of the second display interface are pre-configured, and when a switching instruction of switching the first display interface displayed currently to the second display interface is received, the second attribute configuration file of the second display interface is acquired; the second display interface is loaded according to the difference between the display attribute of the second attribute configuration file and the display attribute of the first attribute configuration file; the first display interface displayed currently is switched to the second display interface to display the second display interface. By the adoption of the method or device for switching the interfaces dynamically, the performance of a computer system will not be affected, the sense of pausing existing in interface switching is avoided, so that user experience is improved. Meanwhile, interface codes are not needed for achieving interface switching, so that high cost caused by maintenance of the codes with complex structures is avoided.

The invention discloses a mobile anchor node based weighted centroid locating method for a wireless sensor network node and belongs to the field of application of the wireless sensor network and the random mobile technology and the wireless range finding technology. Since a mobile anchor node is utilized to substitute for a traditional anchor node, usage cost is reduced, and coverage rate for unknown nodes is increased. Locations of the unknown nodes can be obtained by scheduling moving path of the anchor node and by the aid of the weighted centroid algorithm. The mobile anchor node based weighted centroid locating method for the wireless sensor network node is low in cost, simple in algorithm, high in coverage rate of unknown nodes, accurate in locating, and applicable to practical use.

The invention discloses a carbon aerogel composite pair electrode used for a dye-sensitized solar cell and a preparation method thereof. The carbon aerogel composite pair electrode is formed by coating carbon aerogel compound formed by mixing carbon aerogel (1) and polymer (2) on a conductive substrate (3). The preparation method of the carbon aerogel composite pair electrode comprises the steps: (1) the carbon aerogel is mixed with poly-dioxy ethyl thiophene/poly-p-styrenesulfonic acid water solution to obtain suspending liquid with the concentration of 5-40%, or the carbon aerogel is added into the suspending liquid of polyfluortetraethylene, polyvinylidene fluoride or polyvinylidene fluoride-hexafluoropropylene according to the mass ratio of 5:1-15:1 for ultrasonic dispersion for 10-20min, so that evenly mixed carbon aerogel/ polymer compound can be obtained for standby application; (2) the conductive substrate is cleaned, and the carbon aerogel/ polymer compound is coated on the cleaned conductive substrate and dried, finally, the carbon aerogel composite pair electrode used for the dye-sensitized solar cell can be prepared. The electrode has the characteristics of low cost, high electrical conductivity and catalytic activity as well as being capable of preparing flexible cells and the like, so as to promote the practicability of the dye-sensitized nano-crystalline solar cell.

The invention provides a touch sensor, a manufacturing method thereof and a display device. A BM protection layer and a metal layer are provided with same patterns, so that five mask plates are needed in the technical process for producing the touch sensor, and the photoetching operation is implemented for five times, therefore the problem of low productivity caused by using the photoetching technique 6 times and the problem of high cost caused by using 6 mask plates in the production process of the touch sensor in the prior art are solved. The invention relates to the field of design and manufacturing of touch sensors.

An embodiment of the invention provides a video monitoring processing method, a device and a system thereof. The video monitoring processing method of the invention comprises the steps of: obtaining a region-of-interest ROI information which corresponds with a target to be monitored; transmitting the ROI information to image acquiring equipment; receiving a video image which is transmitted by the image acquiring equipment and corresponds with the ROI information; and transmitting the video image which corresponds with the ROI information to a monitored client so that the monitoring client singly displays the video image which corresponds with the ROI information. The video monitoring processing method realizes high-quality display on the video image which corresponds with the ROI information on condition of larger monitoring region through transmitting the video image that corresponds with the ROI information to the monitoring client.

The invention provides a user account management method, and is applied to a server. The method comprises the following steps: obtaining a login name body in a registration request of a current user, and searching for whether a conflict old user using the login name body exists; in case of existence, based on a unique login additional factor, executing user registration; obtaining a login name body and a login password in a login request of the current user, searching for whether a matched account record exists in an account table, and in case that multiple matched account records exist, based on verification of the login additional factor, determining whether to login is allowed; and in case that one matched account record exists, allowing login of the user, and otherwise, refusing the login. Compared to the prior art, the method provided by the invention effectively solves the problems of deteriorating user experience caused under the condition of login name conflicts generated by such phenomena as secondary number allocation and the like and high artificial customer service cost for solving the conflicts.