46results about How to "Reduced chance of poisoning" patented technology

The invention discloses a multifunctional composite seed coating agent, which is a crop seed treatment agent prepared by mixing active ingredients such as pesticides, fertilizers, plant growth regulators and the like with inactive ingredients such as film forming agents, emulsifying agents, dispersing agents, anti-freezing agents, defoaming agents, antiseptic agents, PH value regulators, pigments and the like. The invention not only can effectively prevent and control plant diseases and insect pests in the seedling stage but also can promote and control seedling growth, ensures that seedlings grow regularly and luxuriantly with multiple tillers, and obviously improves the seedling survival rate. The traditional method can be used for soaking coated seeds in flowing water to accelerate germination for carrying out water breeding, dry breeding or direct seeding, and the coated seeds can be stored safely.

The invention discloses a preposing cyclone pre-dedusting SCR flue gas denitration technique. The flue gas extracted from a boiler economizer (12) primarily passes through a high temperature resistant cyclone separator (6), then passes through a flue gas current equalizer (7) and a static mixer (2) to unify the flow direction of the flue gas evenly; meanwhile, the flue gas after being mixed evenly with ammonia is preprocessed before reacting with a catalyst of an SCR reactor (3); finally, the flue gas is output after the temperature is reduced through an air preheater (4) and the flue gas is dedusted through an electrical precipitator (5). The invention reduces the volume of the catalyst and the SCR reactor, reduces the requirements of the support, eliminates an SCR bypass and greatly reduces engineering cost of the SCR; meanwhile, the invention also prolongs the service life of the catalyst and the cleaning period of the air preheater without installing a soot blower or prolonging the period of sootblowing.

The invention relates to a method for preparing hydrogenated C9 petroleum resin by directional hydrogenation. The method comprises the following steps: (1) uniformly mixing C9 petroleum resin with a mixing solvent and then removing impurities through a Al2O3 packed bed; (2) conveying a pretreated liquid resin into a one-stage hydrogenation reactor loaded with Ni / Mo / W-Al2O3 catalyst and performing hydrogenation reaction, thereby acquiring a one-stage hydrogenated liquid resin; (3) conveying the one-stage hydrogenated liquid resin into a pressure-stabilizing flash column, thereby acquiring desulfurized liquid resin at the column bottom; (4) uniformly mixing the desulfurized liquid resin with hydrocracking aviation fuel and then feeding into a two-stage hydrogenation reactor, and performing hydrogenation reaction, thereby acquiring two-stage hydrogenated liquid resin; and (5) conveying the two-stage hydrogenated liquid resin into a decompression rectifying column, thereby acquiring the hydrogenated C9 petroleum resin at the column bottom. According to the method provided by the invention, the process is simple and convenient; the hydrogenation cost is low; the middle solvent is basically recycled; the prepared hydrogenated C9 petroleum resin has an excellent performance and a higher industrial value.

The present invention discloses a SCR denitration catalyst and a preparation method. According to the present invention, titanium tungsten silicon powder is adopted as a carrier, and the components are subjected to mixing, kneading, primary staling, filtration pre-extrusion, secondary staling, vacuum molding extrusion, primary drying, secondary drying, calcination, cutting and assembling to prepare the product, and comprise, by weight, 56.0-59.0% of titanium tungsten silicon powder, 1.0-7.0% of an auxiliary catalyst, 0.1-1.5% of ammonium metavanadate, 0.1-1.0% of lactic acid, 3.5-5.0% of ammonia water, 0.1-1.0% of monoethanolamine, 3.0-5.0% of a structure aid, 0.2-1.1% of a binder, and 28.0-31.0% of water. The SCR denitration catalyst of the present invention has effects of effective alkali metal poisoning resistance improving and deactivation resistance so as to prolong the chemical use life of the catalyst.

The invention discloses a design method of an SNCR-SCR combined flue gas denitrification system process. The method comprises the steps: firstly, establishing an SNCR-SCR combined denitrification process mathematical model for calculation of the reducing agent volume flow rate and calculation of the catalyst volume; then measuring concentration information of NOx in flue gas, flue gas flow quantity and flue gas temperature information by a measuring instrument; and finally, combining the measured information and the mathematical model, and calculating the reducing agent volume flow rate and the catalyst volume. Through the SNCR-SCR denitrification process mathematical model, the ammonia-containing reducing agent volume flow rate and the designed catalyst volume are resolved, the denitrification efficiency of a medium and small sized boiler can be improved, the size of an SCR catalyst is reduced, the probability of catalyst poisoning is reduced, and the input cost is reduced.

The invention discloses a process for preparing heparin sodium through membrane separation. The process comprises the steps: intestinal mucosa enzymolysis, ceramic membrane filtration, ion exchange column chromatography, nanofiltraiton membrane concentration, alcohol precipitation and drying, wherein the optimal condition for the intestinal mucosa enzymolysis is formed by the proper proportion of intestinal mucosa to water, enzymolysis temperature and pH value of a system. A protease can take the optimal enzymolysis effect, the structure and activity of heparin are not damaged when the glucosidic bond linked between protein and the heparin is hydrolyzed, meanwhile, fewer low-molecular heparins are generated, the activity of the heparin can be improved by 20%, and the generated low-molecular heparins can be reduced by 10%. Due to the adoption of the ceramic membrane filtration, protein impurities and the heparin in an enzymatic hydrolysate can be effectively separated, so that the heparin loss is greatly reduced and can be reduced by 5-8% as comparison with that of the traditional process, the production cost is reduced, the discharged wastewater can be reduced by 50-60%, the resin utilization ratio can be increased by 40-50%, the consumption of auxiliary materials is low, the quality of the heparin sodium is stable, the process is convenient to operate, and the defects such as high impurity content in the enzymatic hydrolysate, serious waste liquid discharge pollution, high personnel utilization rate and the like are overcome.

The invention discloses a water-cooled seal fuel cell stack. The fuel cell stack is encapsulated in a housing, and comprises a plurality of single cells connected in series and stacked; each cell comprises a membrane electrode, a hydrogen plate and an oxygen plate; the hydrogen plate and the oxygen plate are respectively arranged on two sides of the membrane electrode; an anode sealing plate tightly presses one end of the fuel cell stack; a cathode sealing plate tightly presses the other end of the fuel cell stack; a pipe inlet and a pipe outlet are formed in the housing; the pipe inlet is provided with a hydrogen input pipeline and an air input pipeline which are led to the fuel cell stack; hydrogen required by fuel cell stack reaction flows in from a hydrogen pipeline, and oxygen required flows in from an air pipeline; the pipe inlet is provided with a cooling tank led to the fuel cell stack, and a cooling water pipeline for providing cooling water for the fuel cell stack; and a hydrogen output pipeline, an air output pipeline and a cooling water drain pipeline, connected with the fuel cell stack, are connected to the exterior of the housing through a pipe outlet. The fuel cell stack is influenced a little by the environmental temperature, the pollution of air impurities on the membrane electrode can be reduced, the overall uniformity of the fuel cell stack is good, and the service life of the fuel cell stack is prolonged.

The invention discloses an industrial furnace sulfur trioxide pre-removing and denitration device and method. Low-temperature denitration is performed after pre-removing of sulfur trioxide. The device is composed of a pipeline, a sulfur trioxide removing tower, an induced draft fan, an ammonia ejecting device, a process water nozzle, a rectifier, smoke detection equipment, a valve and a flowmeter. The industrial furnace sulfur trioxide pre-removing and denitration device and method has the advantages that the sulfur trioxide removing tower is additionally mounted in front of a denitration reaction tower, so that service life of a catalyst is prolonged; the device can realize part dedusting effect; in addition, an ammonia spraying device in the denitration reaction tower is abandoned, structural design of the denitration reaction tower is optimized, and catalyst layer number, type and structural form in the denitration reaction tower are designed according to working conditions and activity and using amount of the catalyst. Denitration efficiency reaches higher than 90%, ammonia escape amount is less than 3.8 mg / m3, and the device is still stable and efficient when running time exceeds 20 h.

The invention discloses an old Chenzhou fish meal seasoning. The old Chenzhou fish meal seasoning comprises the preparation raw materials in parts by weight are as follows: a sauce pack including 40 parts of palm oil, 5 parts of rapeseed oil, 10 parts of linseed oil, 5 parts of raw ginger, 5 parts of garlic, 5 parts of yellow wine, 8 parts of salt, and 10 parts of fresh fish; a powder pack including 58 parts of salt, 5 parts of white granulated sugar, 16 parts of sodium glutamate, 2.5 parts of white pepper powder, 3 parts of raw ginger powder, 4 parts of nucleotide disodium, 2 parts of youxiantai (a pure natural flavor agent), 3 parts of small chilli powder, 3 parts of pod pepper powder, 10 parts of flatfish powder, 4 parts of chive, and 1 part of red dates; and a chili oil pack including 40 parts of palm oil, 6 parts of garlic, 10 parts of red pepper powder, 1 part of star aniseed powder, 1 part of orange meal, 0.4 part of seed powder of Chinese prickly ash, 1 part of raw ginger, 20 parts of pod pepper powder, 0.5 part of semen myristicae and 0.15 part of capsanthin. The invention discloses a method for preparing the peppery chicken seasoning.

The invention relates to a zinc-gallium-aluminum ternary oxide (hollow tubular shape) rotary ceramic target and a preparation method thereof. The rotary ceramic target is characterized by comprising the following raw materials in percentage by mass: 0.5-3.5% of gallium oxide, 0.5-2.5% of aluminum oxide, 0.002-0.05% of tungsten oxide and the balance of zinc oxide. According to the preparation method, the zinc oxide, gallium oxide, aluminum oxide and trace tungsten oxide are used as raw materials, and the components are uniformly distributed in a matrix by virtue of the dry mixing, roasting and wet ball milling dispersion treatment processes; and the ternary oxide mixed powder has good dispersity and sintering activity. The rotary ceramic target has high density and high yield, the process equipment is simple, the cost is relatively low, and industrialization is easy to realize. The target has high density, low poisoning rate, visible light (400-700nm) transmittance (more than or equal to 90%) and near-infrared region (700-1,400nm) transmittance ( more than or equal to 85%), and is suitable for DC-magnetron sputtering large-area film photovoltaic cell coating.

The invention discloses a method for making bone-free common Japanese mackerel fillets through cold air drying and impregnating for flavoring and mainly solves the problems that an existing common Japanese mackerel product does not have fresh taste and tastes bad. The method comprises steps as follows: fresh common Japanese mackerels or thawed frozen fresh common Japanese mackerels are selected as raw materials, after the head is removed, each fish body is sliced along the vertebra, then viscera, belly bone and fishbone are removed, and the common Japanese mackerel fillets are prepared from the fish body through cutting; the common Japanese mackerel fillets are cleaned up and soaked in salt and sugar water for reduction of histamine, then the common Japanese mackerel fillets are taken out, subjected to surface salt and sugar removing and placed in clear water for ultrahigh pressure processing and then are impregnated in a flavoring liquid for impregnating and flavoring, and after low-temperature fermentation, cold air drying, anti-freezing impregnation processing, electron-beam cold sterilization, quick-freezing, packaging and detection of qualification, the bone-free common Japanese mackerel fillets are obtained. The making method has the advantages of reasonable technology, high operability and high making efficiency; the common Japanese mackerel fillets made with the method taste mellow and delicious, are free of fishy smell, and have palatable sweet and salty taste, unique flavor, abundant nutrition and long guarantee period.

The invention discloses a storm type water heater and a safety detection method thereof. The storm type water heater comprises one heater, one gasses proportioning valve, one air blower, one detecting device and one operation device. The safety detection method is as follows: the detecting device is utilized to detect whether one running motor of the air blower is in RPM (Revolutions Per Minute) value reference range or not, while the RPM level of the running motor is not in the RPM level reference range, the operation device will control the gasses proportioning valve to block the gasses supply path so as to stop supplying gasses to the heater.

The invention discloses a making method of quick-frozen seasoned pacific saury. The method mainly solves the problems of no fresh taste and poor mouthfeel of existing canned pacific saury products and short shelf life of frozen fresh fish segments. The making method includes: selecting frozen and brine thawed fresh pacific saury as the raw material, conducting scaling, decapitating, viscus removing and washing to obtain pacific saury strips; soaking the pacific saury strips in salt sugar water to reduce histamine, washing off the salt sugar on the strip surfaces, then putting the pacific saury strips in clear water to conduct ultrahigh pressure treatment, then dipping the pacific saury strips into seasoning liquid in order to be tasty, then putting the pacific saury strips into a mycose antifreeze solution to conduct antifreeze dipping treatment, draining the antifreeze solution from the surfaces of the pacific saury strips, then carrying out electron beam cold sterilization, quick-freezing, packaging and inspection to be qualified. The making method provided by the invention has the characteristics of reasonable process and strong operability. The made pacific saury not only has the characteristics of safety and sanitation, and long shelf life, but also has bright color, mellow taste, palatable sweet and salty taste, and unique flavor.

The invention relates to the field of galvanizing, and particularly relates to a galvanized steel wire galvanizing device. The galvanized steel wire galvanizing device comprises a galvanizing tank, wherein a pair of guide rollers is mounted on the galvanizing tank, a galvanizing solution tank is dug in the galvanizing tank, a pair of limiting rollers are rotatably connected in the galvanizing solution tank, and steel wires are connected between the guide rollers and the limiting rollers; and an automatic heat preservation scraping mechanism is arranged in the galvanizing solution tank, arranged on the upper sides of the limiting rollers and comprises a cover plate. According to the galvanized steel wire galvanizing device, by arranging the corresponding mechanisms on the galvanizing tank,the solidification speed of a surface layer galvanizing solution is greatly decreased, an operator does not need to frequently conduct scraping work, meanwhile, the hands of the operator are liberated, the operator does not need to manually scrape the galvanizing solution solidified on the inner surface layer of the galvanizing tank, the whole device can be automatically removed, the safety of theoperator is greatly improved, meanwhile, the scraping efficiency is improved, the steel wire galvanizing effect is greatly improved, and the situation that the steel wires are affected by the solidified galvanizing solution is avoided.

The invention belongs to the technical field of composite material preparation, and particularly relates to a Fe-modified nano manganese oxide / MIL-125 (Ti) catalyst and a preparation method thereof. The preparation method comprises the following steps: A, ultrasonically mixing MnSO4, NaClO3 and NaCl in deionized water; adding ferric trichloride hexahydrate for ultrasonic treatment; then dropwise adding concentrated sulfuric acid into the solution under the condition of ice bath stirring, and reacting in a reaction kettle; B, centrifugally washing the precipitate with absolute ethyl alcohol anddeionized water, drying, grinding, and calcining in a muffle furnace to obtain iron modified nano MnOx; C, after DMSO and C3H8O are mixed, adding 1, 3, 5-BTC and nano MnOx for ultrasonic treatment, and then dropwise adding C12H28O4Ti during stirring at the room temperature; putting the solution into a reaction kettle to react; and finally, centrifugally washing with isopropanol and water, and freeze-drying to obtain the composite catalyst. The composite catalyst provided by the invention can effectively reduce the conversion temperature of nitrogen oxides, improve the toxicity resistance andprolong the service life of the catalyst.

The invention provides a preparation method of a supported catalyst and a supported catalyst. The preparation method of the supported catalyst comprises the following steps: a. dipping an adsorbent in an active component solution to obtain an active adsorbent; wherein the adsorbent is one or more than one of active carbon, meso-porous carbon, amorphous carbon; b. mixing the active adsorbent with a carrier in the presence of water to form slurry; wherein the carrier contains alumina, a cocatalyst, nitrates with or without active metals, and a binder; c. coating the slurry on a honeycomb ceramic substrate, drying, roasting in oxidizing atmosphere to remove the adsorbent by ablation so as to obtain the supported catalyst. The supported catalyst prepared by the method has high catalytic efficiency, good poisoning resistance, and long service life.

The invention discloses a sustained release non-protein nitrogen feed and a preparation method thereof. The method comprises the following steps of: mixing 20 to 70 weight parts of corn meal or soybean meal and 20 to 70 weight parts of urea, crushing, and sieving by a sieve of 60 to 100 meshes; adding 10 to 30 weight parts of molasses, mixing uniformly, feeding into a rotary dryer, and gelatinizing at the temperature of between 120 and 150 DEG C; and finally, cooling a gelatinized product by a cyclone separator which is communicated with the drying equipment, and crushing to obtain the sustained release non-protein nitrogen feed. By the method, the disadvantage that the sustained release non-protein nitrogen feed prepared by an expansion method is not coated uniformly is overcome, the sustained release time of the feed is prolonged, and the probability of the toxication of ruminants is reduced; and the prepared feed has acid and sweet taste, and improves the palatability of the ruminants.

The invention discloses a convenient pesticide spraying device for planting of grapes. The device comprises a baseplate, a stirring device, a water pumping device and a driving device. A groove is formed in the left side of the upper surface of the baseplate, and the lower surface of the inner wall of the groove is fixedly connected to the lower surface of a pesticide box; the left side of the upper surface of the pesticide box is clamped to a feeding port, and the stirring device is clamped to the middle of the upper surface of the pesticide box; the bottom of the stirring device is located in the pesticide box, and a fixing frame is fixedly and separately connected to the left and right sides of the part, on the upper surface of the pesticide box, of the stirring device. According to theconvenient pesticide spraying device for planting of the grapes, through arrangement of a placement plate, a second motor, a first gear, a second gear, a second rotating shaft, a spraying head, a third motor, a gear disc and a gear rod, people can push the device for spraying pesticide on the grapes, so that the labor intensity of people is reduced, the poisoned probability of people is decreased, more inconvenience is avoided for people, and the work efficiency of people is improved.

The invention relates to a non-metal doped low-temperature SCR catalyst which separately comprises the following components in percentage by weight: 84-86wt% of a carrier titanium dioxide, active ingredients: 2-5wt% of vanadium pentoxide and 3-5wt% of ceric oxide, 5-7wt% of an auxiliary agent tungsten trioxide and doped elements: 0.4-2wt% of fluorine and 0.4-2wt% of sulfur. The invention also provides a preparation method of the catalyst. By doping non-metal elements fluorine and sulfur into the SCR catalyst, the low-temperature activity of the catalyst can be improved, so that a denitration device can be directly mounted behind a dust collector for a low-temperature denitration catalyst, or even behind a desulfurizing device, so that on the one hand, the catalyst poisoning probability isreduced and the service life is prolonged, and on the other hand, the flue gas repeated heating step is reduced, so that the cost is lowered.

The invention discloses a vertebral body internal expansion device based on three-column fixation, an implantation sleeve and an implantation method. An elongated implant (1) with a hollow middle anda hollow screw (2) form an integrated or separated expansion device, the implantation sleeve (3) comprises an outer sleeve (31) and an inner rod (32), the inner rod (32) can move in the outer sleeve (31), and an external thread (321) is arranged at one end of the inner rod (32), an integrated vertebral body internal expansion device or a separated assembly type vertebral body internal expansion device can be implanted into target area in a vertebral body through an established working channel (4) by means of the implantation sleeve (3), and the distance between a front end and a proximal end of the implant (1) is shortened through the acting force between the outer sleeve (31) and the inner rod (32); the middle part of the implant (1) is expanded to have a certain supporting force, so thatimmediate mechanical support in an operation is realized; and three-column fixation is realized through the implant (1) and the screw (2), so that the stability of the expansion device in the vertebral body is further enhanced.

The invention relates to a method for preparing antidepressant fluoxetine, and belongs to the method for preparing a medicinal compound. The technical scheme in the invention comprises the following three steps of aminolysis, catalytic hydrogenation and aromatic etherification reaction, wherein the three steps are performed in one pot without separation. In the method, the conventional chemical reduction method is replaced by the catalytic dehydration process, and the used reducing agent is hydrogen gas, so that the environmental pollution is reduced; the methylamine is gaseous methylamine, so that the reaction conversion rate is improved, and other substances, such as water and the like, are prevented from being introduced into a reaction system; and p-chlorobenzotrifluoride is added dropwise in the etherification reaction, so that the reaction speed can be conveniently controlled, the yield of a target product is improved, and the possibility of catalyst poisoning is reduced.

The invention discloses a multifunctional composite seed coating agent, which is a crop seed treatment agent prepared by mixing active ingredients such as pesticides, fertilizers, plant growth regulators and the like with inactive ingredients such as film forming agents, emulsifying agents, dispersing agents, anti-freezing agents, defoaming agents, antiseptic agents, PH value regulators, pigments and the like. The invention not only can effectively prevent and control plant diseases and insect pests in the seedling stage but also can promote and control seedling growth, ensures that seedlings grow regularly and luxuriantly with multiple tillers, and obviously improves the seedling survival rate. The traditional method can be used for soaking coated seeds in flowing water to accelerate germination for carrying out water breeding, dry breeding or direct seeding, and the coated seeds can be stored safely.

The invention relates to the technical field of gas defense safety helmets and particularly relates to a gas defense safety helmet with a real-time monitoring function. The safety helmet is characterized in that the safety helmet comprises an environment detection module which is used for detecting the current environment in real time and acquiring the information data of the current environment; a vital sign detection module which is used for detecting and acquiring vital signs of a person wearing the gas defense safety helmet in real time and acquiring life body information data of the person wearing the gas defense safety helmet; and a central processing chip which is used for acquiring the environment information data sent by the environment detection module and acquiring life information data sent by the vital sign detection module and performs data interaction with a terminal system, sends current detection data to the terminal system for display and receives the instruction information sent by the terminal system. The anti-poison safety helmet has the effects of evaluating the risk degree of the working environment and monitoring vital signs of constructors, the poisoning probability of the constructors can be reduced, and rescue efficiency of the constructors after an accident occurs is improved.

The invention discloses a rice production operation platform and operation method based on an intelligent agricultural technology. The rice production operation platform comprises a blockchain technology platform, the blockchain technology platform is connected with a breeding processing unit, an unmanned aerial vehicle, an intelligent agricultural machine, a rice processing unit and a field management unit. The blockchain technology platform is also connected with a trusteeship platform, a customization platform, a traditional channel wholesale platform, an e-commerce direct sale platform andan achievement allocation platform. Individuals and collections are connected in the trusteeship through a protocol, the traditional channel wholesale and e-commerce direct sale platform are connected with clients, and product data sources are connected through the clients.. According to the invention, through the technical applications of the big data platform, the unmanned aerial vehicle application technology, the intelligent agricultural machine technology and the like, the standardized management and large-scale operation service of rice production are realized in combination with the data transmission and recording of the operation process, and the product plastic source is facilitated.

The invention provides a visual monitoring system and method for harmful gas in an animal house based on a terahertz spectroscopy. The harmful gas visual monitoring system comprises a terahertz spectroscopy detection device and a harmful gas detection tank which are fixedly arranged, an air sampling device which is arranged in the target animal house, computer equipment which is in communication connection with the terahertz spectroscopy detection device, and visual alarming equipment which is in communication connection with the computer equipment, wherein the air sampling device is communicated with the harmful gas detection tank; the terahertz spectroscopy detection device is used for carrying out terahertz spectroscopy detection on each harmful gas in the air in the harmful gas detection tank, sending a detection result into the computer equipment and controlling the visual alarming equipment to carry out alarming according to types of the harmful gas with exceeding content. According to the visual monitoring system and method, provided by the invention, detection, advanced early warning and visual alarming of the harmful gas can be accurately realized in real time, and the timeliness and the safety of detection are improved, so that influences, caused by the harmful gas, on livestock are effectively reduced.

The present invention provides a cloud desktop mobile device security management method. During the data transmission process between the cloud desktop and the mobile terminal, a device authority control module is set to control the data transmission between the mobile terminal and the cloud desktop. Its advantage is that it restricts the use of cloud desktop mobile devices, which can enhance the data security of cloud desktop and prevent data leakage of cloud desktop; reduce the channel of viruses transmitted through mobile devices, and reduce the chance of cloud desktop poisoning; flexible operation: in special cases, When it is necessary to copy cloud desktop data, the administrator can selectively enable the mobile device interface of the specified cloud desktop to facilitate data interaction.

The invention discloses a method for culturing human limbal stem cells. The method includes the steps: pretreating a trophoblast; inoculating the trophoblast into a porous membrane; placing the porousmembrane into a container, dividing the container into a first culturing chamber and a second culturing chamber, and enabling the trophoblast to be positioned in the second culturing chamber; injecting a culture medium into the container; placing the human limbal stem cells into the first culturing chamber. Compared with learning and knowing technologies, according tot the method for culturing the human limbal stem cells, the human limbal stem cells are cultured by the aid of a culturing technique of the porous membrane, and the expansion rate of the human limbal stem cells is superior to that of human limbal stem cells cultured by a traditional culture mode. Besides, the used culture medium does not contain toxic dimethyl sulfoxide components, and the toxic killing probability of the cells is reduced.

The invention relates to a method for preparing hydrogenated C9 petroleum resin by directional hydrogenation. The method comprises the following steps: (1) uniformly mixing C9 petroleum resin with a mixing solvent and then removing impurities through a Al2O3 packed bed; (2) conveying a pretreated liquid resin into a one-stage hydrogenation reactor loaded with Ni / Mo / W-Al2O3 catalyst and performing hydrogenation reaction, thereby acquiring a one-stage hydrogenated liquid resin; (3) conveying the one-stage hydrogenated liquid resin into a pressure-stabilizing flash column, thereby acquiring desulfurized liquid resin at the column bottom; (4) uniformly mixing the desulfurized liquid resin with hydrocracking aviation fuel and then feeding into a two-stage hydrogenation reactor, and performing hydrogenation reaction, thereby acquiring two-stage hydrogenated liquid resin; and (5) conveying the two-stage hydrogenated liquid resin into a decompression rectifying column, thereby acquiring the hydrogenated C9 petroleum resin at the column bottom. According to the method provided by the invention, the process is simple and convenient; the hydrogenation cost is low; the middle solvent is basically recycled; the prepared hydrogenated C9 petroleum resin has an excellent performance and a higher industrial value.

The invention discloses a veterinary compound sodium closantel injection which reduces poisoning probability generated when killing the parasites of cows and sheep. The invention belongs to a medical product which contains organic effective components. The preparation method thereof is as follows: 30 to 100kg of sodium closantel is added into 50 to 200L of propanediol, heated to the temperature of 50 to 60 DEG C and stirred for 10 to 25min until the mixture is clear; 1 to 20kg of ivermectin is added into 200L of glycerol formal and stirred for 15 to 20min until the liquid is clear; after the two obtained liquids are combined, the glycerol formal is added to 1000L, stirred uniformly and maintained for 15 to 20min; and after the medicine liquid is clear, the veterinary compound sodium closantel injection is obtained. The invention adopts a compound preparation, is highly effective to the parasites of cows and sheep, can be broadly applied to the parasites of cows and sheep, reduce the infection rate of the parasites and increase the weights of cows and sheep.