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

33results about How to "Meet the needs of the domestic market" patented technology

Minocycline hydrochloride sustained release tablet and preparation method thereof

InactiveCN101822650AReduce peak and valley fluctuationsEffectively control adverse reactionsAntibacterial agentsTetracycline active ingredientsSustained Release TabletBlood concentration
The invention relates to a minocycline hydrochloride sustained release tablet and a preparation method thereof. In the technical scheme, the minocycline hydrochloride sustained release tablet is composed of a tablet core and a film coat, the tablet core is composed of minocycline hydrochloride, a sustained release material, a bonding agent, a filling agent and a lubricating agent, the film coat is composed of a film forming material, in the preparation method, the granule is manufactured by means of the high shear wet method and obtained through the drying of a boiling bed, the temperature of the material dried by a fluidized bed is controlled to be 25-35 DEG C, and the moisture content of the granule is controlled to be 2.0-4.0 percent. The invention belongs to the technical field of pharmaceutical preparation, which aims to provide an available preparation process for the minocycline hydrochloride sustained release tablet and greatly reduce the relevant materials introduced druing the preparation by controlling the key parameters in the preparation process. The preparation method of the minocycline hydrochloride sustained release tablet and the method for controlling of the relevant materials aim to develop a sustained release formulation of minocycline hydrochloride, and various specifications can be issued based on the body weight of a patient, thereby reducing the peak valley fluctuation of the blood concentration, effectively controlling the adverse drug reaction, and improving the drug bioavailability.
Owner:HUZHOU R & D CENT FOR NUTRITION & HEALTH SHANGHAI INST FOR BIOLOGICAL SCI CHINESE ACADEMY OF SCI +1

Stone slab surface profile size measurement device and measurement method thereof

The invention discloses a stone slab surface profile size measurement device and a measurement method thereof, and relates to a measurement device for building stone and a measurement method thereof. The measurement device comprises hardware parts and software parts in which an image pickup system, a camera control system and a mechanical movement and supporting mechanism are arranged; and the hardware part comprises a stone slab workbench, a camera supporting post, a camera transverse movement and vertical movement guide rail and a camera transverse movement and vertical movement driving servo motor. The method comprises the following steps of: putting the stone slab on the workbench, adjusting the height and the central position of the camera, shooting the stone slab, transmitting the image into a computer and performing image processing on the image through a Visual Studio (VC) ++ software to obtain the appearance and the edge profile of the stone slab so as to compute the size of the slab. The invention realizes the online measurement of the stone slab, can facilitate the scientific management of the slab for a factory, simplify the production step, save the time, improve the utilization rate of raw materials, improve the quality, and reduce the cost.
Owner:SHENYANG JIANZHU UNIVERSITY

Multifunctional waveguide aerator

The invention discloses a multifunctional waveguide aerator, which comprises an air path system and an electric circuit board that are arranged in an external shell. The air path system comprises an air compressing and filtering device, an air drying device, an air conveying device and an electromagnetic valve; an electronic steering switch, a signal generator, a pressure sensor, a signal amplifier, a dual-limit comparer and a controller are arranged on the electronic circuit board, wherein the pressure sensor is used for detecting the pressure of air conveyed by the air conveying device; and the air path system also comprises an environment condition detection unit, an alarm unit and an intelligent analysis unit, wherein the intelligent analysis unit is used for carrying out comprehensive analysis on signals detected by the environment condition detection unit and the pressure sensor and adjusting pressure upper-limit and lower-limit control parameters of the controller according to the analysis result. The multifunctional waveguide aerator has the advantages of reasonable structure and design, stable working performance, safety, reliability, high intelligence degree, simpleness and convenience for operation and automatic pressure limiting function and can be used for effectively overcoming multiple defects of the traditional waveguide aerator.
Owner:XIAN JIAODA KAIDA NEW TECH

In-line common rail fuel feed pump capable of controlling low-pressure fuel inlet amount

The invention discloses an in-line common rail fuel feed pump capable of controlling low-pressure fuel inlet amount. The in-line common rail fuel feed pump capable of controlling low-pressure fuel inlet amount comprises a pump body connected with a fuel delivery pump and a plurality of common rail unit pumps which are abreast arranged on the pump body, wherein a driving cam for driving the common rail unit pumps to work is arranged in the pump body, the axis of the driving cam is perpendicular to the axis of the plurality of common rail unit pumps, a cam position sensor for monitoring the phase of the driving cam is arranged at the side part of the pump body, the cam position sensor is connected with an ECU (Electronic Control Unit) in a signaling manner, and a lubricating oil joint, a fuel pipe joint and a fuel inlet joint are arranged on the side wall of the pump body. The in-line common rail fuel feed pump capable of controlling low-pressure fuel inlet amount has the advantages that an electronic proportional valve is not needed to control low-pressure fuel inlet amount, the low-pressure fuel inlet amount is controlled through electromagnet parts of the plurality of common rail unit pumps, the structure of the electromagnet parts is simple, the reliability and durability are high, the cost is relatively lower, the in-line common rail fuel feed pump can be produced at home and does not need to depend on import, and the domestic market demands can be satisfied.
Owner:NANYUE FUEL INJECTION SYST CO LTD

Sand mold casting method for medium-pressure 22nd-stage stationary blade of H-stage combined cycle turbine

The invention discloses a sand mold casting method for a medium-pressure 22nd-stage stationary blade of an H-stage combined cycle turbine. The method comprises the steps of (1) process design, comprising design of a mold, a casting position, a casting head, a chiller system, a pouring cup and an exhaust groove, (2) raw and auxiliary material selection and control, comprising sand selection, coating selection and burden pretreatment, (3) pouring, comprising hot-mold hot pouring and control over molten steel tapping temperature and pouring temperature, (4) heat treatment, comprising normalizing treatment and tempering treatment, (5) chemical component detection, (6) mechanical performance detection and (7) product acceptance. A fired mold casting process is replaced with the sand mold casting method which is low in cost, short in period and wide in application, the manufacturing process is simplified, the production period is shortened, the manufacturing cost is reduced, the environmental pollution is reduced, the medium-pressure 22nd-stage stationary blade meets the quality requirement which can be satisfied by the blade cast by the fired mold casting process, and the international competitiveness of a product is improved.
Owner:上海宏钢电站设备铸锻有限公司

Preparation device and preparation method of hydrogenated nitrile rubber

The invention discloses a preparation device and a preparation method of a hydrogenated nitrile rubber. The preparation device of hydrogenated nitrile rubber comprises a barrel and a control cabinet, wherein a hollow interlayer of the barrel can be heated, the control cabinet is arranged on the outer side of the barrel, a heat-preserving sleeve is sleeved outside of the barrel, the top end of the barrel is provided with a feed inlet and a catalyst inlet, a stirring shaft is suspended in the barrel, one end of the stirring shaft extends out of the barrel and then is connected with a motor, and the other end of the stirring shaft is connected with a stirring blade; the bottom of the barrel is provided with a hydrogen gas inlet and a drain outlet, and the hydrogen gas inlet is connected with an aerator through a pipeline; the lower half part of the barrel is provided with a discharge outlet; and the top end of the barrel is provided with a pressure gauge and a temperature gauge which are respectively used for monitoring the pressure and temperature of the inside of the barrel. The preparation device and preparation method disclosed by the invention are simple in structure, reasonable in design, short in reaction time, complete in reaction, energy-saving and environment-friendly, improves the production efficiency, and can meet the demands of domestic markets.
Owner:张家港市进润彩印包装有限公司

Overlength slim hole steel pipe drilling machining technology

The invention discloses an overlength slim hole steel pipe drilling machining technology. The technology includes the following steps of drilling preparation: an existing lathe body is lengthened or drilling equipment whose lathe body length is more than twice the size of the length of an overlength slim super-high pressure alloy steel pipe product is manufactured; a forging blank after turning machining is clamped on the drilling equipment, and the head and the tail of the forging blank are fixed by adopting a chuck of the drilling equipment and a drilling cutter frame, and are fixed to be ina horizontal state by utilizing a center frame along the blank length direction; and formal drilling: one end of the blank is subjected to hole guiding by using a hole guiding cutter head before theformal drilling, a drilling cutting tool is used to carry out test drilling after the hole guiding is finished, and a trend of the drilling cutting tool is judged when the drilling is carried out. According to the technology, an overlength slim hole steel material whose length is more than 15000mm can be opened, the wall thickness is comparatively even, the technology is implemented to completelyget rid of dependence on imports, a lot of foreign exchange can be saved, and meanwhile domestic blank technologies can be filled.
Owner:包头市银海机械技术有限公司

Preparation device of hydrogenated butadiene-acrylonitrile rubber

The invention discloses a preparation device of hydrogenated butadiene-acrylonitrile rubber. The preparation device of the hydrogenated butadiene-acrylonitrile rubber comprises a cylinder body and a control cabinet, wherein a hollow sandwiched layer of the cylinder body can be heated up; the control cabinet is arranged on the outer side of the cylinder body; the cylinder body is externally sleeved with a temperature preservation sleeve; the top end of the cylinder body is provided with a material inlet and a catalyst inlet; a stirring shaft is suspended in the cylinder body; one end of the stirring shaft extends out of the cylinder body and is connected with a motor, and the other end of the stirring shaft is connected with stirring blades; the bottom of the cylinder body is provided with a hydrogen inlet and a sewage draining outlet; the hydrogen inlet is connected with an aerator by a pipeline; the lower half part of the cylinder body is provided with a material outlet; the top end of the cylinder body is provided with a pressure meter and a temperature gauge which can monitor the pressure and temperature in the cylinder body. The preparation device of hydrogenated butadiene-acrylonitrile rubber, which is provided by the invention, is simple in structure, reasonable in design and short in reaction time, reacts completely, saves energy, protects the environment, improves the production efficiency, and can meet the domestic market requirement.
Owner:张家港市进润彩印包装有限公司

An in-line common rail oil supply pump for controlling low-pressure oil inlet

The invention discloses an in-line common rail fuel feed pump capable of controlling low-pressure fuel inlet amount. The in-line common rail fuel feed pump capable of controlling low-pressure fuel inlet amount comprises a pump body connected with a fuel delivery pump and a plurality of common rail unit pumps which are abreast arranged on the pump body, wherein a driving cam for driving the common rail unit pumps to work is arranged in the pump body, the axis of the driving cam is perpendicular to the axis of the plurality of common rail unit pumps, a cam position sensor for monitoring the phase of the driving cam is arranged at the side part of the pump body, the cam position sensor is connected with an ECU (Electronic Control Unit) in a signaling manner, and a lubricating oil joint, a fuel pipe joint and a fuel inlet joint are arranged on the side wall of the pump body. The in-line common rail fuel feed pump capable of controlling low-pressure fuel inlet amount has the advantages that an electronic proportional valve is not needed to control low-pressure fuel inlet amount, the low-pressure fuel inlet amount is controlled through electromagnet parts of the plurality of common rail unit pumps, the structure of the electromagnet parts is simple, the reliability and durability are high, the cost is relatively lower, the in-line common rail fuel feed pump can be produced at home and does not need to depend on import, and the domestic market demands can be satisfied.
Owner:NANYUE FUEL INJECTION SYST CO LTD

Stone slab surface profile size measurement device and measurement method thereof

The invention discloses a stone slab surface profile size measurement device and a measurement method thereof, and relates to a measurement device for building stone and a measurement method thereof. The measurement device comprises hardware parts and software parts in which an image pickup system, a camera control system and a mechanical movement and supporting mechanism are arranged; and the hardware part comprises a stone slab workbench, a camera supporting post, a camera transverse movement and vertical movement guide rail and a camera transverse movement and vertical movement driving servo motor. The method comprises the following steps of: putting the stone slab on the workbench, adjusting the height and the central position of the camera, shooting the stone slab, transmitting the image into a computer and performing image processing on the image through a Visual Studio (VC) ++ software to obtain the appearance and the edge profile of the stone slab so as to compute the size of the slab. The invention realizes the online measurement of the stone slab, can facilitate the scientific management of the slab for a factory, simplify the production step, save the time, improve the utilization rate of raw materials, improve the quality, and reduce the cost.
Owner:SHENYANG JIANZHU UNIVERSITY

A kind of equipment and method for extracting refined N2O from tail gas of petrochemical industry

The invention discloses a device for extraction and refinement of N2O from petrochemical industrial tail gas. The device includes a chemical purification apparatus, a compression cooling apparatus, a physical purification apparatus, a gas separation apparatus and a product collection apparatus that are sequentially connected through a pipeline. The compression cooling apparatus comprises a compressor and a water cooler, the physical purification apparatus is a molecular sieve purifier, the gas separation apparatus comprises a heat exchanger, a throttle valve, a fractionating tower and an expansion machine, and the gas collection apparatus is a gas reservoir. In addition, the invention provides a method for extraction and refinement of N2O by the device. The raw material gas is subjected to chemical purification, dedusting and dewatering, compression cooling, physical purification and low temperature rectification so as to obtain the N2O product. The method and device provided by the invention have the advantages of energy saving and emission reduction, lower cost than traditional N2O preparation technology, high productivity, and greatly enhanced safety factor, unique process, and strong operability. Also, the prepared N2O product has high purity, and can meet the market demand and be exported abroad.
Owner:SHANDONG JINBO ENVIRONMENTAL PROTECTION TECH CO LTD

Sand Casting Method for Medium Pressure 22nd Stator Blade of H-Class Combined Cycle Steam Turbine

The sand casting method for the medium-pressure 22nd stage stationary blade of H-stage combined cycle steam turbine of the present invention comprises the following steps: (1) process design, including mold design; pouring position and pouring and riser design; cold iron system design; sprue cup design; Exhaust groove design; (2) selection and control of raw and auxiliary materials, including sand selection, coating selection and charge pretreatment; (3) pouring, including hot-type hot pouring and control of molten steel temperature and pouring temperature; (4) heat treatment, including normalizing and tempering Fire treatment; ⑸ chemical composition testing; ⑹ mechanical performance testing; ⑺ product acceptance. The invention adopts the sand casting method with low cost, short cycle and wide adaptability to replace the investment casting process, which simplifies the manufacturing process, shortens the production cycle, reduces the manufacturing cost, and reduces the pollution to the environment. The medium pressure No. 22 The quality of the stage stator vane has reached the same quality requirement as that of the investment casting process; the international competitiveness of the product has been improved.
Owner:上海宏钢电站设备铸锻有限公司

Minocycline hydrochloride sustained release tablet and preparation method thereof

InactiveCN101822650BReduce peak and valley fluctuationsEffectively control adverse reactionsAntibacterial agentsTetracycline active ingredientsMoistureSustained Release Formulations
The invention relates to a minocycline hydrochloride sustained release tablet and a preparation method thereof. In the technical scheme, the minocycline hydrochloride sustained release tablet is composed of a tablet core and a film coat, the tablet core is composed of minocycline hydrochloride, a sustained release material, a bonding agent, a filling agent and a lubricating agent, the film coat is composed of a film forming material, in the preparation method, the granule is manufactured by means of the high shear wet method and obtained through the drying of a boiling bed, the temperature ofthe material dried by a fluidized bed is controlled to be 25-35 DEG C, and the moisture content of the granule is controlled to be 2.0-4.0 percent. The invention belongs to the technical field of pharmaceutical preparation, which aims to provide an available preparation process for the minocycline hydrochloride sustained release tablet and greatly reduce the relevant materials introduced druing the preparation by controlling the key parameters in the preparation process. The preparation method of the minocycline hydrochloride sustained release tablet and the method for controlling of the relevant materials aim to develop a sustained release formulation of minocycline hydrochloride, and various specifications can be issued based on the body weight of a patient, thereby reducing the peak valley fluctuation of the blood concentration, effectively controlling the adverse drug reaction, and improving the drug bioavailability.
Owner:HUZHOU R & D CENT FOR NUTRITION & HEALTH SHANGHAI INST FOR BIOLOGICAL SCI CHINESE ACADEMY OF SCI +1

Multifunctional waveguide aerator

The invention discloses a multifunctional waveguide aerator, which comprises an air path system and an electric circuit board that are arranged in an external shell. The air path system comprises an air compressing and filtering device, an air drying device, an air conveying device and an electromagnetic valve; an electronic steering switch, a signal generator, a pressure sensor, a signal amplifier, a dual-limit comparer and a controller are arranged on the electronic circuit board, wherein the pressure sensor is used for detecting the pressure of air conveyed by the air conveying device; and the air path system also comprises an environment condition detection unit, an alarm unit and an intelligent analysis unit, wherein the intelligent analysis unit is used for carrying out comprehensive analysis on signals detected by the environment condition detection unit and the pressure sensor and adjusting pressure upper-limit and lower-limit control parameters of the controller according to the analysis result. The multifunctional waveguide aerator has the advantages of reasonable structure and design, stable working performance, safety, reliability, high intelligence degree, simpleness and convenience for operation and automatic pressure limiting function and can be used for effectively overcoming multiple defects of the traditional waveguide aerator.
Owner:XIAN JIAODA KAIDA NEW TECH
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
Try Eureka
PatSnap group products