Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

43results about How to "Have an unexpected effect" patented technology

Compound probiotics and drug for treating ulcerative colitis and preparation method thereof

The invention discloses compound probiotics and drug for treating ulcerative colitis and a preparation method thereof. The compound probiotics comprises Lactobacillus acidophilus CGMCC10436 and Lactobacillus plantarum CGMCC9961, and the drug for treating the ulcerative colitis adopts the two strains of the probiotics in a combined mode. According to the compound probiotics and drug for treating the ulcerative colitis and the preparation method thereof, Balb / c mice serve as test objects to establish an ulcerative colitis model, and the effect of the drug for resisting the ulcerative colitis is researched by starting from the angles such as apparent states and pathological conditions of the tested mice. It is shown through the test results that the drug has a good effect on resisting the ulcerative colitis, relapse of symptoms does not occur in a short period, the intestinal mucosa damage caused by the ulcerative colitis can be well repaired, and the drug for treating the ulcerative colitis can be widely applied to the field of preclinical medicine.
Owner:NORTHEAST AGRICULTURAL UNIVERSITY

Purification method of high-purity quartz sand with SiO2 purity more than or equal to 99.99%

The invention discloses a purification method of high-purity quartz sand with SiO2 purity more than or equal to 99.99%, and the purification method comprises the following steps: (1) flotation-multiple flotation separation to remove feldspar particles and layered aluminosilicate mineral particle impurities; (2) high temperature activation and water quenching cooling; (3) high-temperature alkalinewashing to remove impurities; (4) high-temperature oxidation pickling to remove impurities; (5) ultrasonic washing for many times, dewatering and drying; and (6) high-temperature heating and chlorination to remove impurities. The purification method has the beneficial effects that the high-purity quartz sand with SiO2 purity more than or equal to 99.99% is obtained after raw material quartz sand with the purity of 99.5% is purified, the economic benefits of enterprises are obviously improved; a new method to remove gas, liquid and solid inclusions in quartz particles is explored; crystal transformation temperature of the quartz particles is increased to 1600 DEG C, so that structural water (hydroxyl groups), gas inclusions and liquid inclusions in crystal lattices quickly escape from the crystal lattices, and metal impurities are fully exposed, the metal impurities are removed by high-temperature chlorination, and the purity of the product is improved.
Owner:HUANGGANG NORMAL UNIV +1

Composition of dithiocyano-methane and macrolide insecticide component

ActiveCN102960359ASignificant synergy of activityHave an unexpected effectBiocideNematocidesSpinosadAvermectin
The invention relates to a composition of dithiocyano-methane and macrolide insecticide component. The macrolide insecticide component is one of abamectin, ivermectin, emamectin benzoate and pleocidin. The mass ratio of the dithiocyano-methane to the macrolide insecticide component is (0.05-50):1, and the mass sum of the dithiocyano-methane and the macrolide insecticide components accounts for 0.1-60 percent of the total mass of the composition. The composition is used for controlling nematode, is applied to crops suffering from nematode pest invasion or soil in which the crops grow, and the application dosage of the composition is 50-2000mg / Kg.
Owner:HAINAN ZHENGYE ZHONGNONG HIGH TECH

Ti-Al-Mo-N multi-component hard gradient film as well as preparation method and application thereof

The invention relates to a Ti-Al-Mo-N multi-component hard gradient film as well as a preparation method and application thereof, and belongs to the technical field of special material preparation. The Ti-Al-Mo-N multi-component hard gradient film comprises the following components in percentage by mass: 55-85% of Ti, 8-30% of Al, 4-15% of Mo and 3-25% of N. Through arc ion plating, the Ti-Al-Mo-N multi-component hard gradient film can be prepared into a coating with a substrate / TiN / Ti-Al-Mo-N, and the coating can be applied to the fields of papermaking and printing. The preparation method provided by the invention is reasonable in component design, simple in technology, and convenient for large-scale application, especially the large-scale application to the field of printing.
Owner:长沙科辉炉业科技有限公司

Chocolate-flavored yeast source pet nutrient solution and preparation method thereof

The invention belongs to the technical field of pet foods, and provides a chocolate-flavored yeast source pet nutrient solution and a preparation method thereof. The chocolate-flavored yeast source pet nutrient solution comprises the following components in parts by weight of 68.9-87.9 parts of water, 3-7 parts of enzymolysis chicken liver meal, 2-5 parts of enzymolysis chicken meat, 2-5 parts ofgoat milk powder, 1-3 parts of a thickening agent, 0.5-2.5 parts of taurine, 0.8-2.0 parts of calcium carbonate, 1 part of a compound premix, 0.5-2 parts of composite glue, 0.3-0.8 part of lecithin, 0.2-0.5 part of a yolk extract, 0.2-0.6 part of yeast beta-1, 3 / 1, 6-glucan, 0.2-0.6 part of mannan oligosaccharides, 0.2-0.6 part of rapeseed oil, 0.2-0.5 part of sodium tripolyphosphate and 0.1-0.3 part of monostearin. Through the technical scheme, the problems that in the prior art, pet nutrient supplementing products are poor in palatability and are poor in effects on improvement of the immunity of pets, and improving health of intestines of pets, are solved.
Owner:唐山拓普生物科技有限公司

Hydrodynamic water quality monitoring electrode cleaning device

The invention belongs to the technical field of electrode cleaning devices, and proposes a hydrodynamic water quality monitoring electrode cleaning device. The device comprises a device body, an electrode connecting member, a lifting mechanism, an electrode brush head, a water flow channel, a water inlet and a first water outlet, wherein the electrode connecting member is arranged on the device body and is used for placing an electrode, the lifting mechanism is arranged in the device body, the electrode brush head is arranged on the lifting mechanism and rises or falls with the lifting mechanism, the electrode is cleaned after the electrode brush head rises, the water flow channel is arranged on the device body, the water inlet is arranged on the water flow channel, the first water outletis arranged on the water flow channel, and the water flowing in the water flow channel passes through the first water outlet and applies pressure to the lifting mechanism to make the lifting mechanismrise. According to the above technical scheme, the problem that an electrode cleaning device in the prior art is poor in cleaning effect, short in service life and high in price can be solved.
Owner:石家庄兆准科技有限公司

Toilet paper raw material pulp package metal detection system

The invention relates to metal detection equipment of a toilet paper production line. The invention particularly relates to a toilet paper raw material pulp package metal detection system. The systemcomprises an upper computer, a DCS controller, an A / D analog-to-digital conversion device, a chain conveyor, a plate chain conveyor and a transition roller frame. The chain conveyor, the transition roller frame and the plate chain conveyor are sequentially arranged. The transition roller frame comprises a rack, a direct-current power supply module, a wiring terminal strip, a metal detection plate,a first transition roller strip and a second transition roller strip, the first transition roller strip and the second transition roller strip are arranged on the rack, wherein the metal detection plate comprises a bearing bottom plate, a plurality of inductive proximity switches fixedly arranged on the upper surface of the bearing bottom plate at intervals along the length direction of the bearing bottom plate, and a panel arranged on the upper surface of the bearing bottom plate; and all the devices and electronic components are connected in a matched mode. The toilet paper raw material pulp package metal detection system is suitable for an existing toilet paper production line, simple in structure, convenient to install and capable of accurately detecting whether metal iron wires existon the bottom face of a toilet paper raw material pulp package.
Owner:FUJIAN HENGAN HLDG CO LTD +2

Normal-temperature purification material for removing formaldehyde and preparation method of normal-temperature purification material

The invention belongs to the technical field of purification materials, and provides a normal-temperature purification material for removing formaldehyde and a preparation method of the normal-temperature purification material. The normal-temperature purification material for removing the formaldehyde is prepared from an inorganic component and an organic component, wherein the inorganic componentis prepared from the following components in parts by weight: 1-28 parts of attapulgite, 5-30 parts of montmorillonite, 0-15 parts of sepiolite and 0-13 parts of diatomite, and the organic componentis prepared from the following components in parts by weight: 0.1-3 parts of flavan-3-ols, 1.5-7 parts of chitosan, 2-8 parts of lysine, 1-5 parts of histidine, 0.5-8.2 parts of N-cocoyl glumatic acid, 1.5-5 parts of imidazolidinone and 0.5-3 parts of polyethylene glycol. According to the preparation method of the normal-temperature purification material, an organic matter aqueous solution is added into an inorganic mixture to be stirred and subjected to still standing for layering, and a mixture is obtained after the liquid level is higher than the upper surface of a solid by 0-1 mm in a drying oven, and the obtained mixture is cooled to the room temperature firstly, then precooled for 8-12 h at minus 20-minus 30 DEG C, and finally subjected to freeze drying at minus 50 DEG C. Through thetechnical scheme, the problem that in the prior art, a purification material is low in formaldehyde removal rate is solved.
Owner:河北国康绿研建筑科技有限公司

Stable paroxetine hydrochloride tablet and preparation method thereof

The invention belongs to the technical field of medicines, and provides a stable paroxetine hydrochloride tablet and a preparation method thereof. The paroxetine hydrochloride tablet comprises the following components in parts by weight: 7.6 parts of paroxetine hydrochloride, 67.4-81.9 parts of a filler, 2-5 parts of an adhesive, 3-10 parts of a stabilizer, 5-7 parts of a disintegrant and 0.5-3 parts of a lubricant, wherein the stabilizer is sucrose, the filler is calcium hydrogen phosphate dihydrate, the disintegrant is sodium carboxymethyl starch, the adhesive is povidone K30, and the lubricant is magnesium stearate. The preparation method of the paroxetine hydrochloride tablet adopts a wet granulation process. The method solves the problems that paroxetine hydrochloride products turn red in the wet granulation process and the hardness of paroxetine hydrochloride tablets is poor at high temperature when calcium phosphate dihydrate is used as a main filler.
Owner:山东启荣科技有限公司 +1

Pipe flange protection cover

The invention discloses a pipe flange protection cover and aims to solve the problems that an existing pipe flange protection cover is molded or cast through a die as required, the production cost is high, dimension adaptability is low, the existing material is not breathable, the pipe is easy to heat and expand, and accordingly the flange cover is dropped off; in addition, since the existing material is excessively heavy, the transportation cost is increased. The pipe flange protection cover is characterized in that the lower end and bottom are made of polypropylene non-woven fabric or composite leather, the upper end is made of soft material and forms an opening end in a surrounded manner, and an adjusting part used for adjusting the diameter of the opening end is arranged on the side wall. The bottom and side wall of a pipe flange protection cover body is made of the polypropylene non-woven fabric or composite leather, the cover has the advantages of breathability, environment protection, wear resistance, oil prevention, water prevention, solar radiation aging resistance and small specific gravity, the temperature in a tube is decreased effectively, the transportation cost is reduced greatly, the diameter of the opening end can be adjusted so that the cover can be adaptive to pipes with different diameters, production cost is reduced, and the unforeseen effect is achieved.
Owner:周福义

Sodium bicarbonate Ringer's injection and preparation method thereof

The invention relates to a sodium bicarbonate Ringer's injection and a preparation method thereof. Effective components of each 1000ml of the sodium bicarbonate Ringer's injection comprise 5.84 g of sodium chloride, 0.30 g of potassium chloride, 0.22 g of calcium chloride dehydrate, 0.20 g of magnesium chloride hexahydrate, 2.35 g of sodium bicarbonate, citric acid and L-malic acid. The sodium bicarbonate Ringer's injection obtained by the method has good stability, is not easy to generate precipitate, has a small number of insoluble particles and is stable, and the safety of medication is greatly improved.
Owner:WUHAN UNIV

Rotary transformer resolving device

In order to overcome the defect in the prior art that two resolving chips and matched circuits are needed so that miniaturization of a seeker is not facilitated when the seeker is used for the infrared seeker, the invention provides a rotary transformer resolving device which comprises a main control unit, a rotary transformer digital converter and an exciting circuit. The rotary transformer digital converter generates an excitation signal in response to the excitation instruction of the main control unit, and the excitation signal enables the excitation circuit and a rotary transformer to generate mutual inductance; the device further comprises a signal switching processing circuit, and the signal switching processing circuit is used for selecting signals passing through a coarse channelor a fine channel and sending the signals to the rotary transformer digital converter so that the rotary transformer digital converter stores the digital quantity of the output signal of the rotary transformer in a register. The rotary transformer resolving device is suitable for the rotary transformer control system in the infrared seeker.
Owner:哈尔滨新光光电科技股份有限公司

Traditional Chinese medicine composition for treating diarrhea and fatigue as well as preparation and application of traditional Chinese medicine composition

The invention discloses a traditional Chinese medicine composition for treating diarrhea and fatigue as well as preparation and application of the traditional Chinese medicine composition. The traditional Chinese medicine composition is prepared from the following components in parts by mass: 3-6 parts of rhizoma atractylodis, 1-4 parts of fructus zanthoxyli, 3-6 parts of rhizoma zingiberis recens, 3-6 parts of alpinia katsumadai and 3-6 parts of clove. The composition stimulates the Shenque acupoint of a human body to play a treatment role, and has treatment effects which do not exist in treatment methods such as intravenous drip, intramuscular injection, oral administration and the like, and particularly can play an unexpected effect on virus pneumonia accompanied by novel coronary diarrhea fatigue. Aiming at the etiology and pathogenesis of diarrhea fatigue caused by COVID-19, syndrome differentiation and treatment are carried out, the human body Shenque acupoint is stimulated through the composition, human body internal organs, qi and blood, yin and yang are adjusted, body resistance is strengthened, evil is eliminated, and the effect is unique.
Owner:ZHEJIANG CHINESE MEDICAL UNIVERSITY

Anti-tracking submarine missile launcher

The invention discloses an anti-tracking submarine missile launcher. The launcher comprises a profiling air bag, wherein a sonar system and a water jetting pusher are arranged at the head part and the tail part of the profiling air bag; a missile launching rack, a communication control device, a gas generator, a storage battery pack and a pressure releasing device are arranged in the profiling air bag; the missile launching rack is arranged on a launching rack base; the signal input end of the communication control device is connected with an antenna on the sonar system and the profiling air bag, respectively; and the signal output end of the communication control device is connected with the control signal input end of the missile launching rack, the signal input end of the water jetting pusher, the control signal input end of the gas generator and the control signal input end of the pressure releasing device, respectively. Compared with the existing submarine missile launching device, the anti-tracking submarine missile launcher has the advantages of high concealment, high safety, low cost and the like; meanwhile, a starting time of the missile can be set in launching missile; the anti-tracking submarine missile launcher is high in concealment in drifting process, so that the launcher is unlikely to be detected by enemies and can help to win victory by surprise.
Owner:HENAN UNIV OF SCI & TECH

Novel process for preparing recombinant chicken interferon alpha with strong activity and high expression quantity

PendingCN112175065AResolve low protein expressionSolve problems that are not conducive to purificationInterferonsVector-based foreign material introductionInterferon alphaPichia
The invention belongs to the technical field of interferon, and provides a novel process for preparing recombinant chicken interferon alpha with strong activity and high expression quantity. The process comprises the following steps of S1, constructing a cloning vector of the recombinant chicken interferon alpha; S2, constructing a pichia pastoris expression vector of the recombinant chicken interferon alpha; and S3, performing protein expression of the recombinant chicken interferon alpha. Through the technical scheme, the problems that in the prior art, the protein expression quantity of a recombinant chicken interferon alpha gene is low, and purification is not facilitated are solved.
Owner:SHIJIAZHUANG SHIMU ANIMAL HUSBANDRY PHARMA CO LTD

High-altitude oxygenating starting device of engine

The invention discloses a high-altitude oxygenating starting device of an engine. The device comprises a plurality of air cylinders of the engine, an air filter, and an oxygen transmission and distribution device, and is characterized in that the oxygen transmission and distribution device comprises a liquid oxygen storage tank, a liquid pressure regulator, a liquid oxygen gasifier, an oxygen regulator, and an oxygen content meter; the liquid oxygen storage tank, the liquid pressure regulator, the liquid oxygen gasifier, and the oxygen regulator are commercially available products; the liquidoxygen storage tank, the liquid pressure regulator, the liquid oxygen gasifier and the oxygen regulator are respectively and sequentially connected through a oxygen delivery pipe; the front end of theoxygen delivery pipe is connected with an engine air inlet pipe of the air filter; the engine air inlet pipe is connected with the multiple air cylinders of the engine; and the oxygen content meter is arranged on the engine air inlet pipe. According to the high-altitude oxygenating starting device of the engine, the oxygen content in mixed gas in the engine air cylinders in a high-altitude area can reach the standard content, so that the engine can output the design power and the running-out design speed in the high-altitude area, and a series of adverse factors such as the maintenance amount, the high oil consumption and the like when various engines are used in the high-altitude area are reduced.
Owner:刘凤德

Method for preparing taltirelin tetrahydrate alpha crystal form crystal by using beater

InactiveCN104725468AImprove stabilityRetention of crystalline propertiesPeptide preparation methodsOperabilityTaltirelin
The present invention provides a taltirelin (formula I) tetrahydrate alpha crystal form crystal preparation method, particularly to a method for preparing a taltirelin tetrahydrate alpha crystal form crystal by using a beater. The method specifically comprises: adding taltirelin to a non-protonic solvent, stirring, and using crystallization of the temperature difference method, solid-liquid separation, and drying to obtain the taltirelin alpha crystal form crystal. The method is characterized in that the stirring is specifically the complete stirring at a temperature of 20-60 DEG C by using a beater, the stirring speed is controlled to 300-500 r / min, and the non-protonic solvent is tetrahydrofuran, ethyl acetate, acetone, and acetonitrile. According to the present invention, the method has characteristics of good process stability, strong operability, high yield, and the like; and the obtained product has characteristics of low free water content, melting point close to the upper limit of the standard value, easy formulation processing, storage, and transportation, and the like. The formula I is defined in the instruction.
Owner:重庆莱美隆宇药业有限公司

Method for detecting medical polyethylene glycol

The invention relates to a method for checking drug carbowax, wherein it comprises: heating carbowax into 90-110Deg. C to be fused; using glass rod to dip some liquid to coat the carrier plate which is heated to same temperature; cooling and solidifying, and arranging it under optical microscope to watch the crystal state of drug carbowax. The watched drug carbowax is radial arranged whose center is crystal core, while the connecting point between three crystals is Y-shape angle, which is the special state of solid carbowax, different with other drop agent. The invention can avoid pretreatment on the drug carbowax.
Owner:津药达仁堂集团股份有限公司第六中药厂
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Eureka Blog
Learn More
PatSnap group products