35results about How to "No need to take out" patented technology

The invention relates to an immersed type on-line cleaning method and device for a slab ceramic membrane. The invention aims to provide the method which can be used for cleaning the slab ceramic membrane in an in-situ or online manner without separating the ceramic membrane and a reactor, and the method has the characteristics of high membrane flux recovery speed, low energy consumption, high cleaning efficiency, low operation cost and automatic control. The provided device has the characteristics of simple structure and convenience in use. According to the technical scheme, the immersed type on-line cleaning process for the slab ceramic membrane comprises the following steps in sequence: (1) turning on on-line cleaning; (2) back-flushing a liquid phase; (3) back-flushing gas and liquid in a combined manner; and (4) finishing the on-line cleaning. The immersed type online cleaning device for the slab ceramic membrane comprises an aeration pipeline and a control system, wherein the on-line cleaning device further comprises a liquid-phase back-flushing system; the liquid-phase back-flushing system is assorted with a back-flushing pump and is communicated with the aeration pipeline through a pipeline; a cleaning agent preparation device is communicated with the liquid-phase back-flushing system through a pipeline.

The invention provides a biological culture device based on a hemodialyzer. The biological culture device comprises the hemodialyzer, a circulating pump, a swing weighing device, a sample collecting and storing device, a medicine-dosing device and a culture bag. The culture bag comprises a main culture bag and an auxiliary culture bag. The main culture bag is connected with the two ends inside a hemodialyzer main body to form a main circulation loop, and the auxiliary culture bag is connected with the two ends outside the hemodialyzer main body to form an auxiliary circulation loop. The sample collecting and storing device and the medicine-dosing device are connected with a pipe between the main culture bag and the hemodialyzer. The biological culture device is a cell or bacterium culture device which can monitor culture conditions, keep the monitor culture conditions stable, perform automatic liquid adding and sample, can simulate medicine concentration changes and is based on the hemodialyzer.

The invention discloses a portable fruit and vegetable food inspection apparatus. The apparatus comprises: a housing; a sampling head comprising a first portion, a second portion, and a third portion;a crushing member comprising a second gear plate and a plurality of second blades; a soaking tank; a first blocking plate; a material guide tank; a second blocking plate; a first inspection tank; a second inspection tank; a recovery tank; a liquid storage tank; and a second rotating shaft. According to the portable fruit and vegetable food inspection apparatus, food sampling, sample pretreatmentand sample inspection are integrated. The food can be inspected in the field, and the food sample can be inspected multiple times. The whole inspection process is carried out inside the housing without touching an inspection sample and a test paper by hand, thereby proving a sterile inspection environment, avoiding the influence on an inspection result by external contact, and ensuring the accuracy of the inspection result.

The invention discloses a nanofiber tissue filler and a preparing method thereof. The nanofiber tissue filler comprises a frame formed by nanofiber and a filling material filling among the nanofiber, the nanofiber frame is formed by the nanofiber prepared from a slow-to-degrade material, and the filling material is prepared from a fast-to-degrade material. The method comprises: using a dry spraying wet method electrospinning technique to prepare the slow-to-degrade material into a spinning solution and then performing electrospinning for coagulating bath, obtaining nanofiber agglomerates by receiving, then cleaning to remove the coagulating bath, soaking in fast-to-degrade material solution, and finally sizing, and freeze-drying to form the nanofiber tissue filler. The nanofiber tissue filler has good mechanical support performance, tissue effusion eliminating performance and tissue regeneration promoting performance, histocompatibility is good without taking out, operation is simple, pain and an economic burden of a patient caused by long term dressing change for many times are avoided, and the nanofiber tissue filler has very high clinical application value in filling and repairing of a tissue cavity.

The invention discloses a device and method for continuously producing a high-adhesive-force aluminized film, and belongs to the technical field of flexible packaging base material films. The device is composed of an unwinding roller (1), a tension roller (2), a sputtering chamber (3), a film coating chamber (4), a winding roller (5), auxiliary water way, circuit and gas way systems and an auxiliary vacuum system. The method comprises the steps that uniform-speed film coating is carried out on a flexible base material under the drive of the unwinding roller (1) and the winding roller (5), the flexible base material is provided with a buffer layer in a sputtered and deposited mode when passing through the sputtering chamber (3), and the flexible base material with the buffer layer deposited is subjected to aluminum film deposition when passing through the film coating chamber (4). According to the device and the method, continuous operation can be achieved, the buffer layer sputtering process and the aluminizing process are completed in the same system, the flexible base material does not need to be taken out in the operation process, industrial continuous production is promoted, and the production efficiency can be greatly improved.

The invention discloses anti-inflammatory antiphlogistic hemostatic sponge, which is prepared from the following major active pharmaceutical ingredients in proportion by weight: 25 to 40 parts of chitin, 7 to 9 parts of mung beans, 6 to 12 parts of adder tongue herb, 8 to 12 parts of goodyera schlechtendaliana, 5 to 8 parts of carrots, 9 to 13 parts of radix puerariae, 6 to 10 parts of nauclea officinalis, 10 to 15 parts of zornia gibbosa, 8 to 13 parts of commelina communis, 6 to 10 parts of cacumen biotae, 5 to 9 parts of tithymalus-like pedilanthus herb, a proper amount ofglacial acetic acid and a proper amount of glycerin. The anti-inflammatory antiphlogistic hemostatic sponge has the good effects that the obtained hemostatic sponge achieves the fast hemostatic anti-inflammatory effects, can effectively promote the wound heeling, can be absorbed and degraded in the body and does not need to be taken out; safety and effectiveness are realized; and no any toxic or side effect exists.

The invention relates to a method for preparing a vascular tissue engineering stent material carried with pravastatin sodium. The method consists of the following steps: (1) preparing chitosan solution and gelatin salutation; (2) preparing cross-linking agent solution; (3) mixing the chitosan solution, the gelatin salutation and the cross-linking agent solution, then adding chitosan microspheres entrapping pravastatin sodium, performing uniform mixing, pouring the mixture into a vascular stent mold, performing freeze-drying and then performing demolding; (4) repetitively washing the vascular stent after demolding and then performing freeze-drying. The vascular tissue engineering stent material carried with pravastatin sodium prepared by adopting the method has a pore diameter of 10-600mu m, the chitosan microspheres entrapping pravastatin sodium are well dispersed in the stent and the release time reaches more than 60 days.

The invention discloses an anti-deformation process for hot-melting socket welding of a thin-wall plastic pipe. The anti-deformation process comprises the following step of: step 1: conducting preparatory work; and step 2, hot-melting socket: simultaneously heating and melting the outer surface of the end part of an inner pipe and the inner surface of the end part of an outer pipe by using a heating tool, and mutually inserting the end parts of the inner pipe and the outer pipe after the surfaces are melted, and then a flattening mechanism is pushed to the outside of the outer pipe connectingend to flatten the end of the outer pipe, the fusion end of the inner pipe and the fusion end of the outer pipe can be solidified after 15-20 seconds, and pipeline connection is completed. The invention relates to the technical field of pipeline installation. According to the anti-deformation process for hot-melting socket welding of the thin-wall plastic pipe, a hard lining is arranged to supportthe inner wall of the inner pipe, so that inward collapse of the pipe during hot-melting welding can be avoided, the whole lining is made of a water-soluble material, and the lining can be graduallydispersed by water and dissolved in water during later used. The inner diameter of the inner pipe is not reduced due to the thickness of the inner pipe, the flow speed of water flow is not affected, the supporting effect is good, the lining does not need to be taken out, and using is convenient.

The invention relates to the field of paleontological fossils, in particular to a paleontological fossil surface repairing treatment device for elemental analysis. The device comprises an X-direction workbench, a horizontal driving mechanism is arranged at the upper end of the workbench, a horizontal moving mechanism is arranged in the middle of the horizontal driving mechanism, and a placing mechanism is arranged at the upper end of the horizontal moving mechanism. The placing mechanism is used for placing and soaking paleontological fossils. An X-direction treatment mechanism is arranged on one side of the upper end of the workbench, a Y-direction treatment mechanism is arranged at the upper end of a first supporting plate, and a Z-direction treatment mechanism is arranged at the upper end of a second supporting plate. During use, the X-direction treatment mechanism and the Y-direction treatment mechanism realize cleaning of X-direction and Y-direction lines on the surface of the paleontological fossil, the Z-direction treatment mechanism realizes cleaning of the surface of the upper end of the paleontological fossil, and a third cleaning brush rotates while revolving, so that the cleaning degree of the upper end of the paleontological fossil is improved, the cleaning efficiency is ensured, and automatic operation is realized.

The invention relates to the field of cell culture, and particularly discloses an efficient pig raising method and culture system capable of improving the maturation rate of oocytes. The system comprises a carbon dioxide incubator and a control panel. A sliding plate is arranged in the carbon dioxide incubator, and a group of culture dishes are arranged in the sliding plate. Liquid supplementing assemblies are arranged inside and outside the carbon dioxide incubator, and a liquid discharging assembly is arranged inside the carbon dioxide incubator. The control panel is mounted on the outer side of the carbon dioxide incubator, and a timer is mounted on the outer side of the carbon dioxide incubator. According to the invention, the replacement of an oocyte culture solution is conveniently and automatically completed, the workload of researchers is reduced, meanwhile, the culture environment of the oocytes cannot be changed, the observation and recording of the culture condition of the oocytes are also very convenient, and the method and the system are convenient to popularize and use.

The invention belongs to the technical field of wastewater treatment and specifically discloses a wastewater efficient treatment technology. The wastewater efficient treatment technology comprises thefollowing steps: (1) conveying wastewater into a heat energy utilization device and heating, and then conveying the wastewater into a steam utilization device and heating; (2) conveying the wastewater in the steam utilization device into a heater, heating the wastewater to a boiling state through the heater, discharging steam, obtained by heating through the heater, through a steam-liquid separation device, and carrying out pressurizing and temperature rising treatment on the output steam; and keeping the residual wastewater in the steam-liquid separation device, and recirculating the wastewater in the steam-liquid separation device into the steam utilization device; (3) introducing the steam into the steam utilization device and heating the wastewater, and converting the steam into high-temperature distilled water; (4) introducing the high-temperature distilled water into the heat energy utilization device and heating the wastewater; and (5) discharging a concentrated solution. Whenthe technology is used for treating the wastewater, electroplating rinsing water is effectively treated, and meanwhile, the heat circulation utilization and heat efficiency are improved; and a lot ofenergy sources and operation cost are saved.

The invention provides a slope reinforcing structure, which comprises a protective pipe network which is paved on the surface of a slope, wherein the protective pipe network comprises a plurality of transverse conveying pipes and a plurality of longitudinal conveying pipes which are staggered and fixed together with the transverse conveying pipes; the transverse conveying pipes are provided with liquid discharge holes; each transverse conveying pipe is provided with a lower tail end of each longitudinal conveying pipe communicated with the transverse conveying pipe; the protective pipe networkalso comprises a liquid feeding pipe positioned at the top; and the upper tail end of each longitudinal conveying pipe is communicated with the liquid feeding pipe. According to the invention, a plant fiber pipe made of a degradable material is used as a main body of the protection pipe network; the protection pipe network not only provides enough holding power for the mixed soil in the middle period and prevents the mixed soil from losing, but also provides a nutrient conveying channel for the growth of microorganisms in the early period, and can convey water and nutrients for the growth ofplants in the later period; and after the mixed soil is covered, the protective pipe network covered by the mixed soil is gradually decomposed, so that nutrients are provided for the growth of the plants, the growth of the plants is promoted, and the protection pipe network is environment-friendly and convenient.

The invention relates to the technical field of medical apparatus and instruments, and specifically discloses a composite fiber including a polyamide 6 fiber core and a poly(methyl methacrylate-co-N-vinyl pyrrolidone) polymer cladded and compounded on the surface of the polyamide 6 fiber core. The invention also discloses a preparation method of the composite fiber and an orthopaedic strapping line prepared from the composite fiber. The composite fiber is a composite fiber material having the advantages of sufficient tensile strength, good elasticity, good toughness, good plasticity, and good biocompatibility. The surface cladding layer can increase the friction force of the fiber, has hydroscopicity, and can absorb tissue fluid. When the orthopaedic strapping line obtained from the composite fiber is used for strapping and fixing, elastic flexible fixation is formed, stress shielding cannot be produced, and the periosteal blood movement is not affected; the product is easily tied into a knot, cannot slip, can be implanted for a long term without taking out the strapping line, and is quite applicable in adjuvant therapy of orthopedics.

The invention discloses a portable fruit and vegetable food detection device, comprising: a casing; a sampling head, which includes a first part, a second part and a third part; a pulverizing part, which includes a second gear plate and a plurality of second blades; A soaking box; a first baffle plate; a material guide box; a second baffle plate; a first detection box; a second detection box; a recovery box; a liquid storage tank and a second rotating shaft. The invention integrates food sampling, sample pretreatment and sample detection, and can perform on-site detection of food, and can perform multiple detections on food samples. The entire detection process is carried out inside the shell without touching it by hand. The test samples and test strips provide a sterile test environment, avoid the influence of external contact on the test results, and ensure the accuracy of the test results.

The invention provides a biological culture device based on a hemodialyzer. The biological culture device comprises the hemodialyzer, a circulating pump, a swing weighing device, a sample collecting and storing device, a medicine-dosing device and a culture bag. The culture bag comprises a main culture bag and an auxiliary culture bag. The main culture bag is connected with the two ends inside a hemodialyzer main body to form a main circulation loop, and the auxiliary culture bag is connected with the two ends outside the hemodialyzer main body to form an auxiliary circulation loop. The sample collecting and storing device and the medicine-dosing device are connected with a pipe between the main culture bag and the hemodialyzer. The biological culture device is a cell or bacterium culture device which can monitor culture conditions, keep the monitor culture conditions stable, perform automatic liquid adding and sample, can simulate medicine concentration changes and is based on the hemodialyzer.

The invention relates to a method for preparing a pravastatin-loading vascular tissue engineering scaffold material by electrospinning. The method comprises: (1) preparing a polyhydroxyalkanoate solution; (2) preparing a pravastatin sodium solution; 3) preparing an electrospinning solution; and (4) electrospinning to obtain a vascular tissue engineering scaffold material. According to the presentinvention, the hydrophilic pravastatin sodium is loaded into the hydrophobic polyhydroxyalkanoate matrix, such that the prepared vascular tissue engineering scaffold material can achieve the long-acting release of pravastatin.

The invention relates to a preparation method of a vascular tissue engineering scaffold material loaded with pravastatin sodium. The method is composed of the following steps: (1) preparing a chitosan solution and a gelatin solution; (2) preparing a crosslinking agent solution; ( 3) Chitosan solution, gelatin solution and cross-linking agent solution are mixed, then add the chitosan microspheres loaded with pravastatin sodium and mix evenly and pour into the vascular stent mold, demold after freeze-drying; (4) Demoulding The molded vascular stent is washed repeatedly, and then freeze-dried. The vascular tissue engineering scaffold material loaded with pravastatin prepared by the invention has a pore size of 10-600 μm, the chitosan microspheres loaded with pravastatin sodium are well dispersed in the scaffold, and the drug release time is as long as more than 60 days.

The garbage can comprises a can body, an inner cover arranged in the can body and a can cover arranged on the upper portion of the can body, and exhaust holes are formed in the inner cover; the dust collection system comprises an air inlet channel which is formed by butt joint of the first air channel cover plate and the first groove; the exhaust passage is formed by butting the second air passage cover plate and the second groove; the dust-gas separation device comprises a frame, a filtering device and a fan, the fan is communicated with the exhaust passage and the exhaust hole in the inner cover, and an exhaust port communicated to the outside of the barrel body is formed in the fan; the packaging system comprises an opening closing mechanism arranged on the outer side of the bag opening of the garbage bag laid in the inner cover, and an opening sealing mechanism arranged at the closed position of the bag opening of the garbage bag and used for sealing the bag opening of the garbage bag. The dust collection garbage can has the functions of a dust collector and a garbage can, packaging and sealing can be achieved, a user is prevented from making contact with dust when treating a garbage bag, and use is sanitary and convenient.

The invention provides visual interventional anesthesia equipment. The visual interventional anesthesia equipment comprises an outer sleeve; a miniature camera is fixedly arranged at the end, away from an outer limiting ring, of the outer sleeve; a cleaning plate is fixedly arranged on the side face of the side, away from the outer limiting ring, of a rotary sleeve; an inner catheter is movably arranged in a tube cavity of the rotary sleeve; the outer sleeve is movably arranged in a notch formed in a transverse plate, a magnet block is embedded in the sliding rod, and a third electromagnet is fixedly arranged in the mounting groove; teeth are fixedly arranged on the sliding rod, a gear rod is hinged to the side wall of the inverted-T-shaped pipe, and a T-shaped block is arranged below a cam; and a compression ring is fixed at the bottom of the T-shaped block. According to the visual interventional anesthesia equipment, the miniature camera can be cleaned in the interventional anesthetic injection process, after injection, the compression ring can be automatically pressed downwards to press a wound for hemostasis, the miniature camera can be protected against collision and extrusion after use, and the visual interventional anesthesia equipment is quite worthy of popularization.

The present invention is a distance measuring device with a mobile power supply, comprising an instrument body, the front end of the instrument body is fixed with a distance measuring component, and the distance measuring component includes an optical transmitter and an optical receiver for measuring distance, located in the The front end surface of the instrument body near the distance measuring component is also provided with a control button for adjusting the parameters in the distance measuring component, and the upper end surface of the instrument body is provided with a display for displaying the distance measurement result. A battery slot for installing batteries is also provided in the upper end surface of the battery. The beneficial effects of the present invention are: the design is used to measure the distance between the object to be measured and the main body of the instrument through the light transmitter and the light receiver in the distance measuring component, the measurement result is presented in the display, and the staff can It is very intuitive to read data; in addition, the main body of the instrument is powered by a mobile power source, that is, a battery, which avoids the trouble of taking off long wires to find a suitable fixed power source.

The invention relates to a clothes rack. The clothes rack comprises a clothes rack and is characterized in that the clothes rack is of frame shape; a hollow cylinder with an opening at the upper end is arranged at the center of the bottom of the frame shape and a camphor ball or an air freshener is embedded in the hollow cylinder. The clothes rack provided by the invention has the following advantages that: the camphor ball or the air freshener is put in the hollow cylinder at the center of the clothes rack so that the camphor ball does not contact the clothes; therefore, the camphor ball is not needed to be taken out during wearing the clothes again so that convenience is obtained in use. Meanwhile, the consumption situation of the camphor ball can be checked only by opening the clothes.

The invention provides a slope reinforcement structure, which includes a protective pipe network for laying on the surface of the slope. The protective pipe network includes a number of horizontal conveying pipes and a number of longitudinal conveying pipes interlaced with the transverse conveying pipes. There are drain holes on the pipe, and each horizontal conveying pipe has a lower end of a longitudinal conveying pipe communicating with it. The protective pipe network also includes a liquid supply pipe at the top, and the upper end of each longitudinal conveying pipe Connected with the liquid supply pipe. The invention uses plant fiber tubes made of degradable materials as the main body of the protective pipe network. The protective pipe network not only provides sufficient holding force for the mixed soil in the middle stage, prevents the loss of the mixed soil, but also provides nutrient delivery channels for the growth of microorganisms in the early stage, and can Transport water and nutrients for later plant growth. After covering the mixed soil, the protective pipe network covered by the mixed soil gradually decomposes to provide nutrients for plant growth and promote plant growth. It is environmentally friendly and convenient.

The invention relates to a method for preparing a pravastatin-loading vascular tissue engineering scaffold material by electrospinning. The method comprises: (1) preparing a polyhydroxyalkanoate solution; (2) preparing a pravastatin sodium solution; 3) preparing an electrospinning solution; and (4) electrospinning to obtain a vascular tissue engineering scaffold material. According to the presentinvention, the hydrophilic pravastatin sodium is loaded into the hydrophobic polyhydroxyalkanoate matrix, such that the prepared vascular tissue engineering scaffold material can achieve the long-acting release of pravastatin.

The invention relates to the field of furniture, in particular to a multifunctional indoor cabinet. The multifunctional indoor cabinet comprises a cabinet body, a lifting area, a combination area, a long object area and a cabinet bed area, wherein the lifting area, the combination area, the long object area and the cabinet bed area are formed in the cabinet body. The cabinet body comprises a first side wall, a second side wall, a top plate, a bottom plate, a third side wall, a fixed wall plate and a movable wall plate, wherein the first side wall and the second side wall are arranged on the two sides of the cabinet body respectively, the top plate and the bottom plate are arranged at the upper end and the lower end of the cabinet body respectively, and the fixed wall plate and the movable wall plate are arranged inside the cabinet body. The movable wall plate is connected with the top plate and the bottom plate through a translational mechanism and has the function of conducting parallel translation in the cabinet body, and the movable wall plate changes the space sizes of the combination area and the long object area through translation; the lifting area is composed of the first side wall, the top plate, the bottom plate and the fixed wall plate and comprises a first movable cabinet body located at the upper end of the lifting area, a second movable cabinet body located at the lower end of the lifting area and a clothes hanging area located between the first movable cabinet body and the second movable cabinet body, and the first movable cabinet body and the second movable cabinet body are connected with the first side wall and the fixed wall plate through a lifting mechanism and achieve the rising or falling function through the lifting mechanism.

The invention provides a weighing medicine box. The weighing medicine box comprises an outer box with an open top, wherein the top of the outer box is covered with a box cover, the box cover is rotatably pivoted with the outer box, the box cover is connected with the outer box through a switch device, the switch device can control the opening and closing of the box cover, a weighing sensor is arranged on a bottom plate of the outer box, a tray is arranged on the weighing sensor, the tray is provided with an object-containing box, lifting devices are separately arranged between the outer wallsof two ends of the object-containing box and the inner walls of two ends of the outer box, and the lifting devices are connected with the box cover and the outer box. According to the weighing medicine box, through the lifting devices, when the box cover is opened, the object-containing box is separated from the tray, and when the measured medium is taken from the object-containing box at the time, the force received by the object-containing box cannot be transmitted to the tray and the weighing sensor, thus the inaccurate weighing caused by repeated stress of the weighing sensor is directly avoided; and in addition, when the object-containing box is separated from the tray, the weighing sensor can be conveniently calibrated without taking out the measured medium in the object-containing box, so that the calibration operation is very convenient.

The invention provides an ecological slope reinforcing and greening method. A protection tube net is laid on the surface of a slope; the protection tube net consists of a plurality of plant fiber tubes with central through holes and liquid discharge holes in a staggered manner. According to the method, a plant fiber tube of a degradable material is adopted as the main body of the protection tube net, and the protection tube net is used for providing sufficient immobilization force for mixed soil at a middle stage, preventing mixed soil loss, and providing nutrition conveying channels for microorganisms to grow at a former stage, in addition, is used for conveying water and nutrient components to plants to grow at a later stage; after mixed soil covering, the protection tube net which is covered by the mixed soil is gradually decomposed, then nutrient components can be provided for plants to grow, plant growth can be promoted, the protection tube net is just or is to be completely decomposed after plants survive, the protection tube net does not need to be taken out, and the method is convenient and environmental-friendly, and is very applicable to open-air mines with high and steepslopes.