433results about How to "Solve technical bottlenecks" patented technology

The invention discloses a karaoke in-pair singing method based on an internet and a system thereof. A vocal accompaniment user terminal plays instrument accompaniment of a song as well as reverberation and audio mixing processing is carried out on the instrument accompaniment of the song and a part sung by the vocal accompaniment user, so that an audio rack with the instrument accompaniment and the vocal accompaniment of the song is formed; the audio rack with the instrument accompaniment and the vocal accompaniment of the song is forwarded to a chorus user terminal through a transfer server; the chorus user terminal carries out decoding on the audio rack with the instrument accompaniment and the vocal accompaniment of the song, plays the audio track and carries out reverberation and audio mixing processing on the audio rack with the instrument accompaniment and the vocal accompaniment of the song and a part sung by the chorus user, thereby forming an audio rack with the instrument accompaniment, the vocal accompaniment and the chorus of the song; group sending is carried out on the audio rack with the instrument accompaniment, the vocal accompaniment and the chorus of the song to a listening client by a group sending server; and listening is carried out on the client as well as decoding is carried out on the audio rack with the instrument accompaniment, the vocal accompaniment and the chorus of the song to carry out playing. In addition, the invention also discloses a karaoke in-pair singing system based on the internet. According to the invention, an ideal in-pair singing effect can be provided for a user in a complicated environment with a large delay.

The invention relates to a tunnel lining disease detection device based on an infrared temperature field and a gray level image. The tunnel lining disease detection device comprises a vehicle-mounted mobile platform, illumination equipment, a photoelectric encoder, a GPS (Global Position System) receiver, an inertia unit, a synchronous controller, an area-array camera, an infrared thermal imager, an acquisition server, a display control device and a power supply system; tunnel lining two-dimensional image data, infrared temperature field data and fracture surface deformation data are combined with positioning data of the GPS, the inertia unit and the photoelectric encoder to establish a tunnel model with gray level information, temperature information and fracture surface deformation; and tunnel lining cracks are analyzed, and the length, width and lining leakage water information of the cracks are automatically detected. For the tunnel lining disease detection device, the advantages of infrared temperature field detection and two-dimensional gray level image crack detection are combined so that the detection result is relatively reliable, the speed is rapid and the working efficiency is greatly improved.

The invention relates to a load analysis method for a four-wheel six-component road spectrum of a finished automobile. The method comprises the following steps: 1 testing a four-wheel six-component road spectrum of a finished automobile; 2 collecting the design data of the finished automobile; 3 building and adjusting a dynamic model of the finished automobile; 4 carrying out virtual iteration; 5 obtaining Z-direction displacement of a wheel center; 6 decomposing the load of the finished automobile; 7 processing the load result. The six components of four wheel centers of the finished automobile are directly measured as external road excitation input; the actual stress condition of each wheel center under the typical characteristic road excitation of test site reliability is reflected; the technical effect of obtaining the load of the finished automobile system and spare parts is realized by a virtual iteration technique and a dynamics simulation technique; the anti-fatigue performance of the finished automobile structure can be accurately predicted and optimized at the earlier stage; problem rectification of the sample automobile stage is reduced; the research and development cycle is shortened; the research and development cost is also reduced.

The invention relates to a preparation method of styrene-acrylate copolymer painting emulsion for elastic painting of inner and outer walls of a building. The preparation of styrene-acrylate copolymer painting emulsion comprises the preparation method of styrene-acrylate seed emulsion and the preparation method of painting emulsion and the styrene-acrylate copolymer painting emulsion mainly comprises styrene, acrylate, silane coupling agent, emulgator, initiator, defoamer, pH adjusting agent, molecular weight regulator and water. By utilizing the strong surface effect of organic nano particles and designability of the distribution of inner and outer polymers of emulsion particles and combining the seed emulsion aggregation method and the phase-control dispersion film formation technology, the painting emulsion with high performance is produced by utilizing conventional raw materials; and the compactness, mechanical property and the outdoor aging resistance problems of a paint film can be successfully solved. The painting emulsion can be used as a film formation substance for the inner-outer wall emulsion paint of different buildings and also can be used for preparing anticorrosion metal anti-corrosive primer and varnish of wooden doors and windows.

The invention discloses an as-cast finish concrete simulated coating. The coating consists of a bottom coating, a middle coating and a surface coating, wherein the bottom coating is an organic silicon polymer; the middle coating is a composition consisting of self-crosslinked polymer, filler, pigment, other auxiliary agents and water; the surface coating is a fluorine silicon resin polymer; the bottom coating is a closing layer and can play a role in closing pores of a base material; the middle coating is a coloring layer and can play a role in approaching the effect of the required as-cast finish concrete; and the surface coating is a cover surface layer and plays a role in resisting weather and contamination. The coating breaks through the technical bottleneck of as-cast finish concrete at home, and radically reduces the construction cost of the as-cast finish concrete.

The invention discloses a dust removal method and a dust removal device based on chemical agglomeration and split linked anode electric dust removal. An agglomerating agent solution is sprayed into an inlet flue of an electric dust remover through a double-fluid atomizing nozzle, compressed air is also sprayed into the inlet flue, and a polymer binder is connected with fine dust through a polymer long chain with a polar group, so that the particle size of the fine dust is increased, and the fine dust enters an electric dust removal unit to be removed. By the method and the device, dust removal performance can be obviously improved.

The invention relates to a double-degradable mulching film, comprising an additive type degradable mulching film and compostable degradable mulching films arranged on two sides of the additive type degradable mulching film. The invention also relates to a specific recipe and a manufacturing method. The mulching film and the manufacturing method solve problems that the buried part of the additive type degradable mulching film is slow in degradation, and is not environmentally-protecting, and the compostable degradable mulching film is short in incubation and cannot satisfy heat insulation and soil moisture preservation requirements of crops.

The invention provides a double-sided flexible printed circuit board comprising two layers of circuit layers and an insulating film layer sandwiched between the two layers of circuit layers. One or a plurality of through holes which are communicated conductively are arranged between the two layers of circuit layers, wherein the double-sided flexible printed circuit board has continuous length. The invention further relates to an LED strip adopting the continuous double-sided flexible printed circuit board. The double-sided flexible printed circuit board overcomes the limitations in length of the prior double-sided flexible printed circuit board, so that shorter flexible printed circuit boards are unnecessarily spliced in making the LED strip adopting the continuous double-sided flexible printed circuit board, the production efficiency and the reliability of products are improved, and the failure probability of the products is greatly lowered. In addition, the labor cost is reduced due to no need of splicing the circuit boards. The invention further provides an LED strip adopting the continuous double-sided flexible printed circuit board.

The invention relates to a pace-making electrocardio-signal non-equilibrium deep compression method which comprises the steps of conducting rapid content sensing of pace-making electrocardio signals, and conducting non-equilibrium synergy data compression and reconstitution on representation waveforms and non-representation waveforms. According to the pace-making electrocardio-signal non-equilibrium deep compression method, in order to solve the problems that pace-making pulses and other electrocardio waveform frequencies are large in distributional difference and the weight difference exists in the representation waveforms and the non-representation waveforms in clinical diagnosis, different compression and reconstitution strategies can be used for the representation waveforms and the non-representation waveforms in a targeted mode on the premise that requirements of the Nyquist sampling theory are not met. According to the pace-making electrocardio-signal non-equilibrium deep compression method, 1/2 of the inherent frequency of pace-making pulse signals is used for sampling, compressed sensing and Huffman encoding processing are carried out on the representation waveforms in the same time window, and non-distortion sampling and Huffman encoding are carried out on the non-representation waveforms in the same time window. On the premise that non-distortion of the clinical diagnosis message is guaranteed, the compression ratio and the reconstitution accuracy of data are improved, and the reliable operation of a wireless monitoring terminal of a pacemaker is guaranteed.

The invention provides an invented intelligent online type traffic light and intelligent traffic system and a method thereof. The system mainly comprises an intelligent terminal, a crossing online device and a traffic light device. The functions of forming car interconnection, issuing car codes through the intelligent terminal and receiving external car codes and the functions of forming car and road interconnection, making the intelligent terminal interact with the intelligent online traffic lights, and displaying traffic light information and traffic information on the intelligent terminal are achieved. The intelligent traffic light display can be conducted no matter how many intelligent terminals are installed. Warning of different warning degrees is given, and the efficiency of a car passing through a crossing is the highest. Cross-boundary integrating innovation is conducted, and the technical bottleneck is broken through. By monitoring the surroundings through APP development software, when an accident car appears and a car with high hazard indexes appears, warning is given. The intelligent terminal can direct display the traffic light information or reflect and display the traffic light information or project and display the traffic light information. The application breakthrough of traffic and Internet fusion is found, and the intelligent traffic system is obtained. The huge advantages of being advanced in technique, remarkable in effect and convenient to popularize are achieved.

The invention discloses a positioning and tracking system of an underground/roadway moving object, comprising underground positioning and tracking systems distributed under a detected mine and ground monitoring systems distributed on the ground; two-way communication is conducted between the underground positioning and tracking system and the ground monitoring system; the underground positioning and tracking system comprises a plurality of wireless radio-frequency labels, a plurality of wireless signal receiving and transmitting devices and a plurality of card readers which are respectively carried by underground workers, are internally stored with the information of the identity and engaged job category information of a cardholder, can read the stored information in the wireless radio-frequency labels within respective signal coverage area in real time, and synchronously upload the read information and the internally-stored information to the card reader of the receiving and transmitting device; and the wireless radio-frequency labels are distributed on a coal mining work surface or a coal mining roadway. The positioning and tracking system has reasonable design, convenient installation and distribution, low cost, complete function and good use effect, and also improves the coverage area correspondingly while saving the cost.

This invention relates a method for high-speed grasp shoot of intelligent traffic and its dedicated system device, which comprises following steps: Judging whether it need grasp shoot, controlling CCD high speed cam, fixing the shot picture of automobiles by scanning the background characteristic pattern of the road and computing passing automobile speed by computers; then inputting the picture into picture collecting card, into RAM for digital picture processing; logging in time, place, speed which is stored in hard disk through picture compression; real-time conveying the video picture to remote monitoring center. The light axis of said cam is exposed to the automobile proceeding direction, connected to the special engineering machine set near by and controlled by the machine.

A welding method of Q420qENH coating-free weather-resistant steel for steel bridges, the Q420qENH coating-free weather-resistant steel has an atmospheric corrosion resistance index I≥6.5, a welding sensitivity index Pcm≤0.23, and when the welded joint form is a butt weld, The combined welding process of solid wire gas-shielded welding for backing and submerged arc automatic welding for filling and covering is adopted; when the welding joint form is T-shaped penetration fillet weld, the gas-shielded welding process of flux-cored welding wire is adopted; the welding joint form is single-sided bridge deck When welding double-sided formed joint welds, a combined welding process of solid wire gas shielded welding for bottoming and submerged arc automatic welding for filling and covering is used. The atmospheric corrosion resistance index I of the welding wire in the present invention is ≥ 6.5, and the relative corrosion rate of the deposited metal is ≤ 8%, which ensures that the welding seam matches the composition of the steel plate, and solves the weather resistance of the welding seam of the coating-free weather-resistant steel. Coating the weather-resistant steel bridge solved the technical bottleneck.

The invention provides a preparation process of a cigar coat and a cigar sleeve with a tobacco leaf texture, wherein the preparation process comprises the following steps: making a tobacco raw material into a tobacco extract; adding a combustion improver, a humectant and a tobacco colorant into the tobacco extract, and thus obtaining a tobacco coating liquid; shoving the tobacco raw material to obtain a tobacco pulp; pulping an externally-added commodity wood pulp fiber, to obtain an externally-added fiber pulp; mixing the tobacco pulp into the externally-added fiber pulp; adding calcium carbonate into the mixed pulp; adding one or more of a bagasse crude fiber, a tobacco stem crude fiber and a corn stigma crude fiber into the mixed pulp, to obtain a pre-papermaking pulp; papermaking the pre-papermaking pulp into a paper base; applying the tobacco coating liquid onto the paper base, and thus obtaining the cigar coat and the cigar sleeve with the tobacco leaf texture. The cigar coat and the cigar sleeve prepared by the process have the advantages of strong three-dimensional sense of tendons and vessels, natural and smooth lines, diverse texture, low cost, and quite strong practicality.

The invention relates to a device and a method for continuous preparation of large-size high-quality aluminum alloy cast ingots. The device comprises a magnetism conducting mandrel, a hot ejector, a flow guide pipe, an electromagnetic stirrer, a cooling water jacket, a graphite annulus and a crystallizer. The graphite annulus is inlaid in the crystallizer, the cooling water jacket is arranged outside the crystallizer, the electromagnetic stirrer is arranged outside the flow guide pipe which is arranged on the upper portion of the crystallizer, the hot ejector is arranged on the upper portion of the flow guide pipe, the magnetism conducting mandrel is arranged in the center of the flow guide pipe, and a gap passage is formed between the magnetism conducting mandrel and the inner wall of the flow guide pipe. A magnetic field generated by the electromagnetic stirrer forms an unimpeded magnetic circuit with the magnetism conducting mandrel along aluminum alloy melts in the gap passage, the magnetic field in the gap passage is distributed uniformly, the aluminum alloy melts in the gap passage are stirred uniformly, a temperature field and a component field are uniform, and accordingly adverse effects of electromagnetic stirring skin effect are avoided, and acquisition of high-quality aluminum alloy cast ingots with thinner textures and uniform components is benefited.

The invention discloses a trichoderma viride W2 capable of producing a thermophilic ethanol-resistant beta-glucosidase and an application thereof. The trichoderma viride W2 is preserved in the China General Microbiological Culture Collection Center (CGMCC) on August 23, 2010, and the preservation number of the trichoderma viride W2 is CGMCC No.4098. The trichoderma viride W2 can produce a new beta-glucosidase, the enzymatic activity of the new beta-glucosidase reaches 346.7U/mL, the optimal reaction pH value is 4.8, the optimal reaction temperature is 70 DEG C, and the new beta-glucosidase is suitable for pyrohydrolysis and has an obvious glucose feedback inhibition effect. The ethanol the concentration of which is 10% has a maximal effect on promoting the enzymatic activity and improves the enzymatic activity of the beta-glucosidase by 1.6 times, and the resistant ability of the ethanol reaches 30%, so that the cellobiose inhibition can be effectively eliminated, the yield of the ethanol is improved by nearly 3 times, and the terminal product inhibition is effectively eliminated. Thus, the beta-glucosidase can be used for simultaneous saccharification and fermentation of lignocellulose raw materials, has a rare promoting effect in China, effectively increases the yield of the cellulosic ethanol, lowers the production cost, and accelerates the industrialized progress of the cellulosic ethanol.

The invention provides an air conditioner device with a module heat exchange component and a control method thereof, and relates to the technical field of refrigeration. According to the mainly adopted technical scheme, the air conditioner device with the module heat exchange component comprises an outdoor heat exchanger (1), an indoor heat exchanger (8) and the module heat exchange component (4) which is arranged between the outdoor heat exchanger (1) and the indoor heat exchanger (8), is not provided with a compressor and is located on a main refrigerant pipeline (9). A first throttling component (3) is arranged in the position, located between the module heat exchange component (4) and the outdoor heat exchanger (1), of the main refrigerant pipeline (9). A second throttling component (7) is further arranged in the position, located between the module heat exchange component (4) and the indoor heat exchanger (8), of the main refrigerant pipeline (9). The air conditioner device with the module heat exchange component is mainly used for effective heat dissipation of an air conditioner variable frequency driving controller, can be applied to a refrigeration mode and a heating mode and can avoid the situation that the controller is damaged due to condensation and the like.

The invention provides a high-barrier high-strength ultrathin full-biodegradable mulching film and a preparation method. The mulching film is prepared from polyadipic acid-butylene terephthalate as amain body material, and is prepared from the following components in parts by weight: 60-99.7 parts of the main body material, 0.1-30 parts of a barrier property enhancing agent, 0.1-3 parts of a tearing resistance enhancing agent, 0.1-5 parts of a lubricant, 0-2 parts of a light stabilizer, 0-2 parts of an antioxidant and 0-5 parts of a color master batch, wherein the tearing resistance enhancingagent is selected from one or more of polyphosphates, diisopropylbenzene peroxide, an ADR chain extender, KH560, KH570, urea, carbonate, bicarbonate, ammonium salt, an organic amine compound, anhydride and calcium stearate; and the barrier property enhancing agent is an organic barrier property enhancing agent, an inorganic barrier property enhancing agent or a compound of the organic barrier property enhancing agent and the inorganic barrier property enhancing agent. The full-biodegradable agricultural mulching film provided by the invention achieves high tearing strength and high barrier performance with low cost, has the value of large-scale popularization and has great marketization significances.