21results about How to "Many options" patented technology

The invention discloses a multilayer nanostructure metal hydride and a preparation method thereof.The preparation method comprises the steps that transition metal ion salt and a carbon material are added into a polar solvent to be mixed, heating and stirring are conducted to obtain solid powder, and the solid powder is subjected to a hydrogen thermal reduction reaction to obtain a functionalized carbon material; a metal hydride raw material and a functionalized carbon material are added into an organic solvent, ultrasonic treatment and mixing are carried out, a mixed solution is obtained, and the metal hydride raw material is a mixture of an alkyl metal Mg compound or an alkyl metal Li compound and a borane compound; and in a hydrogen atmosphere, carrying out solvothermal reaction on the mixed solution, and then centrifuging, washing, filtering and drying to obtain the multilayer nanostructure metal hydride. The multilayer nano-structure metal hydride prepared by the preparation method has relatively high hydrogen absorption and hydrogen storage capacity.

The invention belongs to the technical field of discharge tubes or discharge lamps, and particularly relates to a composite cathode material with a sandwich-like structure, a field emission cathode and a preparation method and application of the field emission cathode. The composite cathode material with the sandwich-like structure comprises a cathode material layer I, a first metal bonding layer and a cathode material layer II which are sequentially stacked, and the cathode material layer I and the cathode material layer II are layers made of at least one material selected from graphene, carbon nanotubes, carbon cloth and ZnO nanowires. And the first metal bonding layer is formed by melting and curing metal particles. According to the composite cathode material, the cathode material layers are welded together to form a stable composite structure by using the metal bonding layer formed by curing the molten metal particles between the cathode material layers, so that the damage rate of an emissive electron material caused by sparking in the field emission process is reduced, and the field emission life of the composite cathode material is prolonged.

The invention discloses a control method, a control device and an air conditioner. The air conditioner comprises an air outlet panel, the air outlet panel comprises a front air outlet and a lower air outlet, the front air outlet is used for supplying air forwards and is provided with a front air outlet air deflector assembly, and the lower air outlet is opened downwards and is provided with a lower air outlet air deflector assembly; the front air outlet air deflector assembly and the lower air outlet air deflector assembly operate independently. The front air outlet air deflector assembly comprises an outer side air deflector assembly and an inner side air deflector assembly which operate independently; the control method comprises the steps that the outer side air guide plate assembly, the inner side air guide plate assembly and the lower air outlet air guide plate assembly are controlled, so that a multifunctional air supply mode is achieved through cooperation of the front air outlet and the lower air outlet. According to the scheme, the problem that a user feels cold in legs and feet due to the fact that downward air supply is difficult and particularly hot air conduction is difficult can be solved, the conduction angle of hot air can be controlled, the selectivity of the user is more, and therefore the carpet type heating effect can be achieved.

The utility model relates to the field of waste plastic thermal cracking, in particular to a circulating hot blast stove based on waste plastic thermal cracking processing, which comprises a combustion tube, a mounting cover is fixedly arranged on one side of the combustion tube through bolts, and a compressed air ejection head, a combustible gas nozzle and a combustible liquid nozzle which are axially distributed are arranged in the mounting cover. A mixing and filtering tower is further arranged on one side of the combustion pipe; when too much dust is accumulated on the filter plates, the opening and closing plate is pushed upwards through the push block, then a new filter plate is pushed into the filter plate mounting frame, the middle filter plate is pushed to the open groove, the air pump is connected to one end of the connecting pipe, the air pump is opened, the high-pressure air injection box begins to discharge air, and the dust is discharged through the high-pressure air injection box. And dust and impurities blocking one side of the filter plate are flushed out, so that the filter plate is cleaned, then the dust is discharged through the waste residue discharging hole, the filter plate in the device is convenient to replace, the impurities on the filter plate can be preliminarily cleaned, and therefore the practicability of the device is improved.

The present application provides a novel lipid compound, a lipid nanoparticle comprising the same, and use thereof in targeted delivery of a drug. Specifically, the present application provides a compound of Formula I or a pharmaceutically acceptable salt, a prodrug, or a stereoisomer thereof. Furthermore, the present application provides a lipid nanoparticle comprising the compound of Formula I or a pharmaceutically acceptable salt, a prodrug, or a stereoisomer thereof, still further, the lipid nanoparticle may further comprise a cationic lipid; yet still further, the lipid nanoparticle may further comprise a helper lipid. A composition comprising the above compound or a pharmaceutically acceptable salt, a prodrug, or a stereoisomer thereof, or the lipid nanoparticle can achieve the organ-targeted delivery of a therapeutic / prophylactic agent.

The invention relates to the technical field of traditional Chinese medicines, in particular to a deficiency-tonifying traditional Chinese medicine composition and a preparation process thereof. According to the invention, codonopsis pilosula, morinda officinalis, honey-fried licorice root, fructus piperis longi, roasted rhizoma atractylodis macrocephalae, semen cuscutae, fructus alpiniae oxyphyllae, peach kernel and fructus lycii are used as raw materials and are decocted, bromelain and neutral protease are used for enzymolysis, saccharomyces cerevisiae numbered as CICC 30241 and bacillus subtillis numbered as CICC 22062 are used for fermentation, ethanol is added for extraction, filtration, ultrafiltration and other processes are carried out, and the health-care food is obtained. The composition with the excellent deficiency tonifying effect is obtained, and the composition further has the good immunity improving effect.

The invention discloses an ultra-precision machine tool EtherCAT bus type control method based on a Power PMAC series controller, and belongs to the field of ultra-precision equipment manufacturing. The method comprises the following steps of: connecting a group of Triamec drivers with a motion shaft of the ultra-precision machine tool; wherein a power line of each motion shaft motor is connected with a power interface of the corresponding Triamec driver, and a feedback line of the corresponding motor grating is connected with a feedback interface of the corresponding Triamec driver; the Power PMAC series controller, the Triamec driver and the Beta IO module are connected in sequence through network cables; the Power PMAC series controller comprises a CK3M, a CK5M, a CK3E and a Power UMAC, and one of the CK3M, the CK5M, the CK3E and the Power UMAC is selected during use; the Power PMAC series controller, the Triamec driver and the Beta IO module are respectively and electrically connected with a power supply; a Triamec driver and a motion shaft are debugged; the independent operation mode of the Triamec driver is modified into a bus mode, and the controller is adjusted through Power PMAC IDE; a controller, a driver and a Baifu IO module are configured by debugging a guide or writing a script file through Power PMAC IDE so as to realize high-precision single-axis motion or multi-axis linkage of the ultra-precision machine tool.

The invention discloses a robot mowing machine system which comprises a robot mowing machine working in a working area limited by a boundary line; a charging station; the user terminal is connected with the robot mower and is used for setting working parameters of the robot mower, and the working area is divided into a main working area and a secondary working area; when the robot mower is located in the main working area, the robot mower works according to a first working state based on the setting of the user terminal; and when the robot mower is located in the secondary working area, the robot mower works according to a second working state based on the setting of the user terminal. According to the invention, the work of the robot mower can adapt to different working areas and different mowing scenes.

The utility model relates to the technical field of lamp equipment, in particular to a stage lamp with double lamp panels, which comprises a lamp holder, and a first lamp panel, a second lamp panel and a rotating device for driving the first lamp panel and the second lamp panel to rotate are sequentially arranged on one side of the lamp holder. The first lamp panel comprises a first rotating disc and a plurality of first lamp strips arranged on the peripheral side of the first rotating disc. The second lamp panel comprises a second rotating disc and a plurality of second lamp strips arranged on the peripheral side of the second rotating disc. The rotating device drives the corresponding first lamp strip and the second lamp strip to rotate through the first rotating disc and the second rotating disc. The first lamp panel and the second lamp panel are arranged on the lamp holder, the two lamp panels are matched to emit light to form more complex and diverse light effects, the structure is compact, and the cost can be saved. And the rotating device drives the first lamp panel and the second lamp panel to rotate, so that the created light effect is better, the selectivity is more, and the lamp is suitable for more scenes.

The present application provides a vehicle screen control method, device and vehicle, which relates to the field of vehicle-mounted display. The method includes: in response to a picture quality configuration operation on a first screen in a vehicle, obtaining a target picture quality configuration parameter of the first screen; determining a risk parameter of the configuration operation; wherein the risk parameter is used to indicate whether the picture quality configuration operation has a risk; based on the target picture quality configuration parameter and the risk parameter, controlling the picture quality parameter of the target screen in the vehicle; wherein the target screen includes the first screen. The solution can avoid the influence of the picture quality configuration operation on the screen in the vehicle and ensure the driving safety of the vehicle.

The invention discloses an out-of-focus compensation method, projection equipment and a storage medium, and the method comprises the steps: obtaining the accumulated step number of a moving motor on the projection equipment and the accumulated step number of a focusing motor under the condition that the current projection image projected by the projection equipment is determined to have out-of-focus; determining a target motor from the moving motor and the focus motor based on the accumulated step number of the focus motor and the accumulated step number of the moving motor; and executing out-of-focus compensation operation on the projection equipment by using the target motor.

The invention discloses a mobile phone wireless charger, comprising an upper cover, an intermediate bracket clamped by the lower end of the upper cover, and a lower cover clamped by the lower end of the intermediate bracket, the upper cover is a shell structure, a positioning and mounting hole of a cylindrical structure is arranged at the rear end of the upper end surface of the upper cover, and a clamping plate I of an annular plate boss structure is arranged on the lower end surface of the upper cover; a fixing card at the rear end of the charger can fix a charged mobile phone and the charger together, so as to ensure that the mobile phone and the charger maintain a fixed charging distance, thereby avoiding the phenomenon that the mobile phone and the charger slip off during charging; the charger comes with a charging plug and does not require an additional data cable, thereby eliminating the trouble of forgetting to bring a data cable and the mismatch of the data cable when charging the mobile phone; the charger comes with a charging socket, and different users can choose wireless charging or charging with a data cable according to their own charging habits, thereby meeting different needs of different users and making charging more optional.

The application provides a wireless network access method, device and electronic equipment. The method comprises: in the case of accessing a first network in a first frequency band, determining at least one candidate network in a second frequency band, the frequency of the second frequency band being less than the frequency of the first frequency band; determining a second network meeting a preset condition from the at least one candidate network, the preset condition indicating that a target matching degree between the first network and the second network is greater than a matching degree threshold, and the target matching degree is determined based on a service set identifier dimension matching degree, a basic service set identifier dimension matching degree and a signal strength dimension matching degree. The application provides a more adaptive wireless network access scheme.

The utility model relates to the technical field of audio, in particular to a protection circuit of audio equipment and the audio equipment. The protection circuit of the audio equipment comprises the boosted circuit, the overvoltage protection circuit and the power amplifier module, the overvoltage protection circuit is arranged between the boosted circuit and the power amplifier module, overvoltage protection is carried out on a power amplifier, the power amplifier is prevented from being damaged due to overvoltage, and compared with the overvoltage protection circuit arranged in the power amplifier, the protection circuit has the advantages that the reliability is high; the overvoltage protection circuit arranged at the power supply end of the power amplifier is higher in temperature resistance and current bearing capacity and is more stable than an overvoltage protection circuit arranged in the power amplifier, the protection circuit of the audio equipment is simple in structure, the selectivity of the power amplifier is more, various alternative schemes are provided, and the protection circuit is suitable for popularization and application. While the cost of the audio equipment is reduced, the reliability and the stability of the audio equipment are ensured.

The present application relates to a kind of carbon filament electric explosion preparation nanometer diamond powder method, belong to nanometer diamond preparation process technical field.The method is installed in the discharge tank of electric explosion system with discharge electrode by electrically conductive carbon filament, add specific medium to discharge tank and do good sealing, realize high-energy discharge by regulating and controlling the voltage of high-voltage capacitor group in electric explosion system, make the overheating coefficient of carbon filament 4~20, after discharge, repeat the electric explosion of multiple carbon filaments, recover the discharge product, remove metal and residual carbon phase, after washing and drying, obtain pure nanometer diamond powder.The method uses high-purity carbon filament as raw material, utilizes the high temperature and high pressure effect generated in the process of electric explosion to synthesize nanometer diamond, adjusts the energy input density by adjusting the overheating coefficient, and then controls the yield of diamond, the obtained product has high crystallinity and uniform particle size distribution.

The invention provides a method for preventing and controlling bee mites, which is characterized in that the mites are in a low-oxygen environment and lasts for a period of time, so that the mites cannot breed or the reproduction rate is reduced, or the reproduction of the mites is substantially failed, and therefore, the mite population gradually disappears, and the bees can survive. The environment is protected.

The invention relates to the technical field of food processing, and discloses a crispy pulp formula of crispy grilled fish and a preparation method of the crispy grilled fish, the crispy pulp formula of the crispy grilled fish is composed of the following raw materials: ultra-high gluten flour, potato starch, corn starch, potato starch, baking powder, custard powder, salt, monosodium glutamate, water and traditional Chinese medicinal material powder; wherein the content of the extra-high gluten flour is 1.0 to 2.5 kg, the content of the potato starch is 0.2 to 0.5 kg, the content of the corn starch is 0.1 to 0.3 kg, the content of the potato starch is 0.25 to 0.55 kg, the content of the baking powder is 55 to 75 g, the content of the custard powder is 100 to 130 g, the content of the salt is 2.5 to 6.0 g, the content of the monosodium glutamate is 3.0 to 5.5 g, the content of the water is 8 to 15 kg, and the content of the traditional Chinese medicinal materials is 100 to 350 g. According to the scheme, the Chinese wolfberry fruits, the radix angelicae sinensis, the Chinese yams, the red dates and the dried orange peel are added into the crispy pulp of the crispy grilled fish, so that the fragrance of the medicinal materials and the delicious taste of the grilled fish are mutually fused, a unique flavor is formed, and the grilled fish is more attractive due to the rich fragrance of the radix astragali and the radix codonopsis. The sweet taste of the Chinese wolfberry fruits adds a soft taste to the grilled fish; chinese angelica, Chinese yam, red dates and dried orange peel enable the grilled fish to be mellower.

The air suction silencer comprises a silencer body and a silencer assembly part, the silencer body is provided with a silencer inlet and a silencer outlet, a silencing cavity is formed in the silencer body, the silencer body is provided with a partition plate dividing the silencing cavity into a first sub-cavity and a second sub-cavity, and the first sub-cavity and the second sub-cavity are communicated through the partition plate. The partition plate is provided with a first guide pipe wall, the first guide pipe wall penetrates through the partition plate, the lengths of the first guide pipe wall on the two sides of the partition plate are different, the silencer body is provided with an assembly hole in the outer side of the first guide pipe wall, and the silencer assembly part is assembled in the assembly hole and provided with a second guide pipe wall which penetrates through the partition plate. The lengths of the second guide pipe walls on the two sides of the partition plate are different, and the first guide pipe walls and the second guide pipe walls are spliced to form a guide pipe communicating the first sub-cavity and the second sub-cavity. By means of the silencer assembly part, silencer schemes with different flow channel sectional areas and different effective lengths of guide pipes can be obtained, the optionality of the silencer schemes is greatly enriched, and the silencer assembly part adapts to the characteristic requirements of different compressors.

The application belongs to the field of new energy, and discloses a synthesis method of lithium tetrafluoroborate, which comprises the following steps: step 1: adding lithium halide into a non-aqueous organic solvent, and introducing boron trichloride to obtain a solution containing lithium haloborate; and step 2: introducing hydrogen fluoride into the solution obtained in step 1 to obtain a solution containing lithium tetrafluoroborate. The method is synthesized by using a solvent method, and any available lithium halide and boron trichloride are used to react to obtain an intermediate product, and then the intermediate product is fluorinated to obtain lithium tetrafluoroborate, and various lithium halides can be selected to realize the scheme of the application, the raw materials are rich in selectivity, and the production cost is significantly reduced.