192results about How to "Avoid exceeding the standard" patented technology

The invention discloses a low-temperature cold-pressing and bivariate continuous refining and processing method for oiltea camellia seed oil, which mainly comprises the following technical steps of squeezing, leaching, degumming, deacidifying, decoloring, deodorizing, winterizing, dewaxing and the like. In the method, the technology of low-temperature drying and low-temperature squeezing and the bivariate mixed decoloring technology of activated carbon and activated clay are adopted to adsorb and decolor oil, thereby preventing from generating harmful substances, such as benzopyrene, coking objects, carbide and the like, and improving the quality and the grade of the product. The method has good economic benefit and social benefit.

The invention provides a method and device for controlling uplink transmission power, a base station and user equipment, wherein the method comprises the steps of determining the uplink resource ratioof the user equipment in a preset high-power mode; if the uplink resource allocation ratio is larger than or equal to a preset uplink duty ratio threshold value corresponding to the preset high-powermode, determining power adjustment information; sending the uplink resource allocation and the power adjustment information to the user equipment, so that the user equipment performs uplink information transmission according to the uplink resource proportion in the preset high-power mode; controlling the uplink transmission power according to the power adjustment information. The method for controlling uplink transmission power provided by the invention is adopted, when the UE is configured to perform uplink information transmission according to a higher uplink resource allocation ratio, theUE can be configured to adjust the uplink transmission power according to the power adjustment information, so that the exceeding of the SAR is effectively avoided., meanwhile, the uplink informationtransmission capability of the UE in a preset high-power transmission mode is improved.

The invention discloses non-quenched and tempered steel for automobile parts and a production process thereof. The non-quenched and tempered steel comprises less than or equal to 0.20% of Ni, 0.010-0.025% of Ti, 0.012-0.025% of Nb and 0.013-0.019% of N. The process comprises converter smelting, LF refining, RH vacuum treatment, continuous casting and rolling. According to the non-quenched and tempered steel, through reasonable design of components, trace elements such as Ni, Nb, Ti and N are added to refine grains and improve the strength and toughness of the material; refining is carried outthrough a narrow component control technology, soft reduction is used in the continuous casting process, reasonable parameters are adopted to reduce the low-power defects of a casting blank, and the density of the material can be improved; and the structure is uniform through a high-temperature diffusion process in the rolling process, the grains are refined through a controlled cooling and controlled rolling technology, the strength is improved, and finally the comprehensive performance of the material is greatly improved.

The invention relates to a brick making method, which uses raw materials of coal gangue, furnace clinker, shale, coal ash and clay and prepared according to the steps of (1) smashing and grinding the raw materials to be particles with the particle size below 2mm; (2) evenly mixing the particles of the raw materials, adding warm water to mix and make mud materials, and then conducting ageing treatment for more than 24 hours; (3) adopting a vacuum brick squeezing machine with the vacuum degree of -0.07MPa to -0.08MPa and molding moisture of 13.5%-14.5% to make the mud materials into green bricks, and adding a transducer on a main motor of the vacuum brick squeezing machine; (4) placing the green bricks into a drying hole to remove moisture and dry in a concentration mode; (5) adopting residual carbon of raw material gangue, furnace clinker and coal ash, and roasting by adopting a method of taking internal combustion as the principal thing and external combustion as the minor thing; and (6) cooling to obtain end products and detecting the content of calcium oxide. The brick making method is low in coal consumption and power consumption and stable in quality of made bricks.

The technology for planting Yannan Dizhu pinellia tube GAP includes selecting land, selecting seed, preparing land, seedling, preventing diseases and pests, weeding, applying fertilizer, collecting and processing. The artificially planted planting Yannan Dizhu pinellia tube has the medicinal effect and quality of wild Yannan Dizhu pinellia tube maintained, and has high effective component content, stable effective component content and no pollution. Therefore, the technology of present invention can protect and develop the said medicine resource.

The invention provides a preparation method of fosaprepitant dimeglumine. The preparation method comprises the following steps: by taking aprepitant as a raw material, carrying out phosphorylation on the raw material under an alkaline condition to obtain a dibenzyl ester intermediate; further hydrolyzing the intermediate to obtain fosaprepitant; and further reacting with N-methyl-D-glucosamine to obtain the fosaprepitant dimeglumine. The method provided by the invention is simple to operate and mild in reaction condition, and avoids pressurization and v, so that the method is safe and effective and suitable for industrial production on a large scale.

The invention discloses an automobile waste gas treatment device. The device comprises a shell, a connecting tube is arranged at one end of the shell, the other end of the shell is fixedly connected with a baffle through a bolt, and an exhaust pipe is arranged on the side, opposite to the shell, of the baffle. A connecting flange is arranged at the end, opposite to the shell, of the connecting pipe. An air inlet partition plate is arranged in the connecting pipe, and a first limiting plate and a second limiting plate are arranged on the side, opposite to the connecting pipe, of the connectingflange. The second limiting plate is located above the first limiting plate, a second screw rod penetrates through the second limiting plate, and a second clamping plate is arranged at the bottom endof the second screw rod. The baffle, a pull rod and a cleaning ring are arranged, so that after the device is used for a period of time and when a user needs to clean carbon deposit on the inner wallof the shell, a large amount of carbon deposit cannot be accumulated in the shell, the carbon deposit removing efficiency is improved, the waste discharge efficiency is improved, and the phenomenon that automobile tail gas exceeds a standard is avoided.

The invention discloses a copper-containing printed circuit board wastewater treatment method which specifically comprises the following steps: step 1, pumping copper-containing printed circuit boardwastewater, which contains copper complex, into a reaction kettle by using a pump, and adjusting the pH value of the wastewater, step 2, adding a complex breaking agent into the reaction kettle, carrying out complex breaking reaction on the complex breaking agent and the wastewater copper complex, and stirring for 30-40 minutes; step 3, adding an oxidizing agent into the reaction kettle, carryingout enhanced reaction on the oxidizing agent and the wastewater copper complex, and stirring for 30-40 minutes; 4, adjusting the pH value of the wastewater, adding a precipitant, carrying out precipitation reaction on the precipitant and the wastewater copper complex, and stirring for 20-30 minutes; and step 5, regulating the pH value of the wastewater, adding a flocculating agent, stirring for 5-10 minutes, precipitating and standing for 2-3 hours. The invention solves the problems of high cost and poor precipitation effect in the existing wastewater treatment method.

The invention discloses a cold forming process for a non-ferrous metal seam elbow. The process comprises the following steps of: firstly, cutting into a processing pipe fitting; secondly, applying a lubricant on the processing pipe fitting and then placing the processing pipe fitting in a mold cavity of an elbow cold forming machine; thirdly, conducting non-ball stamping by using a non-ball stamping manner; fourthly, conducting ball passage stamping by a steel ball passage pushing manner for more than two times to obtain a formed elbow; fifthly, surface-treating the formed elbow, and then heat-treating; and sixthly, conventionally chamfering the port of the heat-treated elbow to obtain a finished elbow product. A seam pipe blank is used as a raw material, so that the cost can be obviously reduced, meanwhile, a welding seam is arranged at one side of an outer bending part of the mold cavity, and the stamping is conducted by the steel ball passage pushing manner, so that the central part of the elbow is prevented from being thinned too much to exceed standard; by gradually adjusting the size of the diameter of a steel ball, the maximum thinned position of the processing pipe fitting when being subjected to ball passage stamping is slowly moved, so that the outer arc central position of the elbow is prevented from being thinned too much to exceed standard.

The invention discloses a production system and a production technology for 99-grade pentaerythritol. The production system comprises a feeding unit, a reaction unit, an aldehyde removal unit, an alcohol removal unit, an evaporation unit, a crystallization unit, a centrifugal unit and a drying unit. A sodium method is adopted to continuously produce the pentaerythritol, formaldehyde and acetaldehyde are taken as raw materials to carry out condensation reaction under caustic soda liquid catalysis, formic acid is used for neutralization after reaction ends, and therefore, pentaerythritol and a byproduct, i.e., sodium formate are generated; then, through working procedures, including aldehyde removal, alcohol removal, evaporation, crystallization, separation, drying and the like, the 99-gradepentaerythritol finished product is obtained. According to the production system and the production technology, a pentaerythritol, dipentaerythritol and tripentaerythritol co-production technology can be realized, the generation of byproducts can be reduced so as to improve purity and yield, the removal rate of methyl aldehyde can be 99.9% by aldehyde removal, and the quantity of residual methylaldehyde in the product is reduced. The production system has the advantages of high automation degree and small labor intensity and personnel intensity, meanwhile, the production efficiency of the pentaerythritol is improved, and the production cost is reduced.

The invention relates to a nano zinc oxide enteric-coated pellet and a preparation method thereof. Existing zinc oxide products for preventing and controlling piglet diarrhea are no longer able to meet market demands. The nano zinc oxide enteric-coated pellet sequentially comprises a zinc oxide pellet core, an isolation layer, an enteric layer and a protective layer from inside to outside. The selected zinc oxide raw material is pharmaceutical grade 99% zinc oxide which is subjected to nano treatment or ordinary feed grade zinc oxide with a purity of more than 95%, the zinc oxide particle sizeis below 3,000 mesh, and the nano zinc oxide enteric-coated pellet is prepared from the raw materials in parts by mass: 30-90 parts of the nano zinc oxide pellet core, 0-40 parts of the sum of the isolation layer and the protective layer and 10-30 parts of the enteric layer. According to the nano zinc oxide enteric-coated pellet and the preparation method thereof, excessive zinc is avoided, zincpollution is reduced, the dosage is small, zinc emissions in animal faeces are greatly reduced, soil pollution is prevented, and environmental protection is achieved.

The invention relates to a cooling process for eliminating a banded structure of a steel ingot, and belongs to the technical field of steel ingot cooling. The cooling process comprises the following specific steps that (1) before pouring is carried out, a central pouring pipe and steel ingot molds are mounted on a pouring bottom plate; (2) pouring is started after mounting is finished; (3) a ventilation cooling device is prepared in advance, and a steel ingot air cooling device is hoisted to the position between the central pouring pipe and the steel ingot molds within 5 minutes after pouringis finished; (4) an air compressor is started, cold air is blown out from an air outlet hole of an air outlet pipe, and the steel ingot is cooled; and (5) after the steel ingot is cooled, the steel ingot molds are disassembled, the steel ingot is taken out, sampling detection is carried out, and the steel ingot is put in storage after being detected to be qualified. According to the cooling process, a heat insulation baffle is arranged between the steel ingot molds, and the size of the cold air flow is controlled in the cooling process, so that the situation that the banded structure exceeds the standard due to the fact that the cooling speed of the inner side and the outer side of the steel ingot is inconsistent can be effectively avoided.

The invention discloses a preparation method for quick-frozen okra. The preparation method is characterized by comprising the following steps: blanching: blanching cleaned okra for deactivation; cooling; quickly spraying water on the blanched okra for cooling; draining: draining the cooled okra by mechanical vibration and blowing; quick freezing: flatly spreading the drained okra in a fluidized bed individual quick-freezing machine for individual quick freezing. The okra prepared by adopting the preparation method for the quick-frozen okra is dark green, consistent in colour and lustre, free of individual adhesion and uniform in size, and has a bacterial clump amount (per gram) being not more than 10000, and an excrement colon bacillus amount (per 100gram) being less than 3. According to the preparation method for the quick-frozen okra, the colour and lustre as well as mouthfeel of the okra are better kept in the preparation process of the quick-frozen okra, the loss of beneficial components is reduced to minimum, and hygienic indexes reach national standards.

The invention relates to a high-voltage transmission line radio interference excitation function determination method which comprises the first step of acquiring a wire split number and radius of branch wires, the second step of establishing a transmission line simulation model, the third step of acquiring average maximum electric field intensity of the wire surface through the transmission line simulation model, and the fourth step of determining a radio interference excitation function value of the transmission line simulation model. According to the technical scheme, the high-voltage transmission line radio interference excitation function determination method is more accurate and reliable on the aspect of predicting a high-voltage transmission line radio interference level.

The invention relates to a cooling structure for dry method coke quenching, which comprises a body, a gas distribution pipe, a gas collection umbrella and a baiting device, wherein the gas distribution pipe can guide cold smoke gas generated by drying treatment on coal briquettes into the body, and is arranged in the body, the gas collection umbrella can discharge the smoke gas through the heat exchange out of the body, and is arranged under the gas distribution pipe, and the baiting device can be used for carrying pyrolysate products in the body so that the pyrolysate products can be discharged from the cooling structure at the preset speed. The cooling structure for dry method coke quenching of the invention belongs to a semi-coking cooling structure using gas as a carrier, which can realize the dry method coke quenching. The structure realizes the dry method coke quenching by a specific structural method, saves the water sources, and simultaneously reduces the environment pollution.

The invention relates to a novel wastewater fluorine-removing technology. The original technology and equipment can be maximally utilized, waste acid is subjected to a vulcanization treatment so as to remove most heavy metal pollutants, then the waste acid is pre-neutralized in the gypsum step, and the fluorine content of gypsum filtrate in the outlet can be controlled under 60-100 mg/L. Then calcium carbide slag is used to neutralize gypsum filtrate, a flocculating agent is added to carry out flocculation, finally the filtrate is filtered to remove the heavy metal pollutants in wastewater, and the fluorine concentration of the flocculation filtrate can be controlled under 20 to 40 mg/L. Then an aluminum sulfate solution is added to absorb and complex the fluorine ions, the fluorine concentration of wastewater can be reduced to 5 mg/L or less, and other element concentrations are qualified.

The invention discloses a mobile terminal control device. The mobile terminal control device comprises an obtaining module and a setting module, wherein the obtaining module is used for obtaining a first surplus flow value in a preset time interval of a first subscriber identity module card for performing network communication currently, and obtaining a second subscriber identity module card installed on a mobile terminal with the first subscriber identity module card and having a surplus flow threshold value more than a second preset threshold value when the first surplus flow value is less than or equal to a first preset threshold value; and the setting module is used for setting the second subscriber identity module card as the subscriber identity module card for performing network communication currently. The invention further provides a mobile terminal control method. According to the invention, flow waste of other subscriber identity module cards, besides default subscriber identity module cards, can be avoided; simultaneously, flow exceeding of the default subscriber identity module cards can be avoided; and thus, the mobile terminal is more flexible to communicate.

The invention provides a RO water treating system and a control method thereof. The system comprises a water treating module, a control module and a booster pump, which are arranged between a raw water inlet pipe and a water purifying faucet, and the system further comprises a pressure sensor and a one-way valve; the water treating module comprises a RO filter element, the booster bump is connected with a water inlet end of the RO filter element, the pressure sensor is arranged between the booster bump and the water purifying faucet, the one-way valve is arranged between the raw water inlet pipe and the pressure sensor, and the pressure sensor is used for detecting pressure between the one-way valve and the water purifying faucet; a control module receives a signal of the pressure sensor and controls on-off of the RO water treating system. According to the system, an original high-tension switch and a low-tension switch are canceled, one pressure sensor completes the control on the whole RO water treating system, the inner space of a RO machine is saved, the production cost of the RO machine is reduced, the structure is simple, the assembly is convenient and quick, and the production efficiency is improved.

The invention discloses a method for treating fluosilicate waste residues. The method comprises the following steps: determining the total content of fluosilicate in the waste residues, so as to determine the usage amount of sodium hydroxide required to react with fluosilicate; mixing the waste residues and water according to the mass ratio of (1:30) to (1:40), heating up, then, adding a sodium hydroxide solution, stirring and reacting; removing manganese ions and permanganate ions from the solution obtained through reaction in the step (2); carrying out first-time filtration on the solution obtained in the step (3) so as to obtain a first filtrate and filtrated residue; concentrating and crystallizing the first filtrate, and then, carrying out second-time filtration so as to obtain sodium fluoride solid and a second filtrate; concentrating and crystallizing the second filtrate, then, carrying out third-time filtration so as to obtain a crude product potassium fluoride solid and a third filtrate, and recrystallizing the crude product potassium fluoride solid, so as to obtain a product potassium fluoride and a fourth filtrate. The method disclosed by the invention is aimed at treating and utilizing the fluosilicate waste residues generated from potassium permanganate and sodium fluosilicate which serve as raw materials.

The invention provides a harmless treatment method of cyanide-containing tailings, and belongs to the field of mine waste residue treatment. The harmless treatment method of the cyanide-containing tailings comprises the following steps that immobilization treatment is carried out on the cyanide-containing tailings through pretreatment, wheel grinding mixing and digestion steps; a consolidating agent and a cementing material are added into the cyanide-containing tailings after immobilization treatment to consolidate and prepare harmless filling materials; the harmless filling materials are cured, and the materials are piled into a tailing pond; and according to the pretreatment, multifunctional water-soluble polymer is added to the cyanide-containing tailings, and the mixture is sent into aconcentration tank, stir and filter pressing are carried out to obtain concentrated ore pulp. According to the harmless treatment method of the cyanide-containing tailings, the cyanide-containing tailings are used for preparing the filling materials which are not compatibilized, do not greatly shrink, have excellent compressive strength, do not have cyanide toxicity, and have good freezing-thawing resistance and heat resistance. The treatment method has mature process, high settling rate, large cyanide capture amount, cost saving, construction in all seasons, less reagent consumption, large treatment amount, continuous treatment, low energy consumption, and can realize sustainable development of economy, society and environment.

The invention discloses a culture medium for Chinese yams and a making method thereof. The culture medium is prepared from, by weight, 10-30% of bottom mud, 25-30% of mushroom residues, 25-30% of corn straw and 20-30% of earthworm cast. The culture medium for the Chinese yams is rich in nutrient substance and good in gas permeability of soil, contains various waste, and being high in recycling and utilizing rate because the waste materials are recycled and lasting in fertilizer efficiency; the yield of the Chinese yams can reach 71% compared with existing yield increase, the yield increase is remarkable, culture cost is low, labor intensity is low, operation is easy, and the continuous cropping obstacles of the Chinese yams can be overcome. The yield of the Chinese yams is high, the Chinese yams are easy to produce on a large scale and popularize, and the culture medium has the advantages of being low in carbon content and environmentally friendly.