318results about How to "Novel idea" patented technology

The invention relates to a skin medicine-applying device for the surgery department. Therefore, problems of a conventional medicine-applying method such as poor efficiency, great waste and low cleanness are effectively resolved. In order to the resolve the above problems, the technical scheme is characterized in that the device comprises a housing; the housing is divided into a medicine liquid cavity and a separation cavity; a liquid inlet pipe is connected between the medicine liquid cavity and the separation cavity; the bottom of the separation cavity is equipped with multiple liquid outletpipes which is internally provided with liquid outlet heads; conical surfaces of the liquid outlet heads are matched with conical surfaces of the liquid outlet pipes; the upper ends of the liquid outlet heads are sealed; the conical surfaces of the liquid outlet heads are equipped with first through holes; the lower ends of the liquid outlet heads are equipped with rolling balls; spherical surfaces of the rolling balls are equipped with grooves; a piston is installed in the separation cavity; a pressure spring is arranged above the piston; the upper end of the pressure spring is equipped witha pressing board; the upper surface of the pressing board is connected with a screw rod; a fixed nut sleeves the rod; a separation sleeve sleeving outside the pressure spring is installed in the medicine liquid cavity; and the upper surface of the piston is fixedly connected with a vertical pull rod; the upper end of the pull rod penetrates through the pressure spring, the pressing board and the screw rod and extends out of the housing. The skin medicine-applying device for the surgery department is novel in concept and indigenous in structure.

The invention discloses a nano-silver sol and a preparation and purification method thereof. The stable nano-silver sol is formed through the steps that silver salt, protective agents and cosolvent are used, water serves as a solvent, the silver salt solution and the protective agent water solution are mixed, a certain amount of reducing agents are added to carry out reduction, an initial nano-silver sol is obtained, and the nano-silver sol with needed concentration is obtained through pH value adjustment, sedimentation, separation, washing and redissolution. The nano-silver sol is characterized in that nano-silver particles are controllable in size and even in distribution, and the concentration of the sol is adjustable. According to the nano-silver sol and the preparation and purification method thereof, the adjustment of the pH value is used for purifying the nano-silver sol for the first time, the purification is simply carried out through the pH value adjustment, the sedimentation, the separation, the washing and other steps, and the nano-silver sol has the advantages of being few in harmful impurity and environmentally friendly. The preparation and purification method for the nano-silver sol has the advantages of being low in cost, simple in technology and capable of being applied to mass production.

The invention relates to a working method for a satellite communication system based on single channel single carrier time division multiple access, which comprises the following operating steps: (1) when a satellite communication network is established initially, all ground base stations compete for a temporary centre base station which acquires the information of the ground base stations of thenetwork in a mode of calling the name, and when calling the name, all the ground base stations adopt a competition mode to finish the response of calling the name; (2) the temporary centre base station elects the optimal centre base station of the current network according to the information of all the ground base stations in the network; (3) the temporary centre base station delivers controllingright and the information of the ground base stations to the centre base station at the same time; and (4) the centre base station manages the space-time link resources of the whole satellite network, and controls the network to operate normally as follows: the centre base station firstly distributes TDMA frame slot time, and performs the respective keep-alive control together with the common ground base station; and the centre base station also comprises all the controlling operations such as the distribution of data slot time, the addition of new ground base station and the departure of theground base station.

A natural non-toxic adhesive for wood used as building material or decorative material contains main material which is prepared from corn or cassava starch, water and assistant through emulsifying, oxidizing, etherifying, esterifying and cross-linking, polyvinyl alcohol as intensifer, solution of sodium polyacrylate as stabilizer, assistant and water. Its advantages are no poison and irritation, good water-proof nature, high drying speed and adhesion.

The invention relates to an oil spilling positioning alarm buoy device, which comprises an oil spilling sensor, a buoy and an alarm device, wherein the oil spilling sensor is bound with the buoy, and the oil spilling sensor is an electrochemical sensor; the buoy is a single hollow sealing sphere or the combination of three and or more sealing balls; the alarm device consists of a detection circuit module, a communication control positioning device and a power source module; and the oil spilling sensor is connected with the detection circuit module in the alarm device via a cable, and the sensor information passes through the detection circuit module and is transmitted to a control module by the communication module. The device has novel conception and unique structure, can actually reflect the displacement and spread condition of oil spilling on the sea, is manufactured conveniently, has low cost and provides reliable help for the emergency rescue department.

The invention relates to a buoy device for tracking and positioning of spilled oil and real-time monitoring of oil film pollution to a water surface. The buoy device comprises a buoy shell, wherein an oil film detecting sensor is arranged outside the buoy shell, and a detection module electronic equipment assembly is arranged in the buoy shell. The buoy device further comprises a remote monitoring platform. The sensor is a conducting oil film detecting sensor, the detection module electronic equipment assembly generates alternating-current signals, applies voltage to the conducting oil film detecting sensor and collects and processes the signals, and due to the fact that the oil film detecting sensor is the conducting oil film detecting sensor, the oil film detecting sensor can judge whether oil film pollution information exists or not and collect and process the information. The buoy device for tracking and positioning of the spilled oil and real-time monitoring of the oil film pollution to the water surface is novel in design concept and unique in structure, can help oil spill accident emergency reaction commanding and decision-making departments rapidly find a possible position, on the water surface, polluted by oil and obtain pollution data, and can provide an advanced water surface oil spilling electronic information method for pollution control implementation.

The invention relates to a teflon electret multihole filter membrane preparing method, adopting corona or electron beam charging to change permeability of teflon filter membrane, and adjusting voltage (namely needle membrane electric field), charge time, electrifying time and needle membrane distance to change permeability of the filter membrane, so as to realize the filter membrane with different cell sizes and apertures, applied to medium liquid with different grain sized pollutants. It can very effectively purify polluted medium liquids such as gasoline, transformer oil and silicon oil.

This invention provides method and equipment for removing NH3-N from wastewater by vacuum pumping. The equipment comprises a vacuum denitrification tank, a rotational gas absorption tank or a Venturi gas absorption column, and a vacuum pumping system. At least one water flow clapboard is set in the vacuum denitrification tank and the rotational gas adsorption tank, respectively. Besides, a vacuum pumping orifice and a gas-discharging valve are set on the top of the two tank, a water-entering valve and a water-discharging valve are set along both sides of the lower parts, a liquid-emptying valve is set is at the bottom, and a NH3-N concentration sensor and an adjustable autocontroller are set on the bodies. The method and equipment have such advantages as low operation cost and no secondary pollution.

The present invention discloses an adaptive conjugate resonant spring fatigue testing instrument. It includes vibration system and control circuit. Said vibration system is a dynamic force closed system formed from two vibrator systems with identical quality, rigidity and spring position. Said invention also provides the concrete structure of said vibrator system. Its control circuit includes successively-connected sensor, feedback control circuit, amplitude-stabilizing circuit, exciter power supply and exciter, etc.

The invention discloses a measuring method and device for the deviation of the shape of a sealing head of a pressure container, and belongs to the technical field of pressure containers. The measuring method comprises the following steps of: acquiring a two-dimensional pole coordinate value of a target point on the basis of a laser distance sensor and an angle sensor, implementing mapping after right-angled coordinate value transformation and least square fitting processing, determining the deviation of the shape in comparison with the standard shape of the sealing head, and automatically carrying out judgment on qualification. The corresponding measuring device comprises a positioning device, a sensor device and a computer, wherein the positioning device is used for connecting with the measured sealing head and installing the sensor device; the sensor device comprises the laser distance sensor, the angle sensor and a stepping motor which are respectively in controlled connection with the computer containing programs; the angle sensor is in coaxial butt-joint with the stepping motor; and the laser distance sensor rotates coaxially along the stepping motor. The measuring method and device disclosed by the invention have the advantages that the concept is novel; and based on a laser measuring technology, the intuitive, accurate and quantitative detection of the deviation of the shape of the sealing head can be realized, and a reliable scientific means is provided for measuring the deviation of the shape of the sealing head of the pressure container.

The invention relates to a cloth bag dust collector which solves the problem that dust adhered to a filter bag cannot be cleaned immediately and is hard to clean effectively. The technical scheme is as follows: the cloth bag dust collector comprises a dust collecting device which triggers a filter bag loosening device and a filter bag cleaning device to start at the same time. The filter bag loosening device tensions the filter bag from a loosened state, so that the filter bag is cleaned conveniently by the filter bag cleaning device. After a working cycle, the filter bag loosening device loosens the filter bag from the tensioned state. The cloth bag dust collector is novel in concept, skillful in structure and high in practicality. The filter bag is tensioned and cleaned by means of dustaccumulating amount, and the filter bag is in the tensioned state when a hair brush cleans the filter bag, so that the hair brush can clean dust particles on the outer side of the filter bag. The filter bag is changed from being loosened to be tensioned quickly, so that part of dust attached to the filter bag can be shaked off. In the cleaning process, normal work of the dust collector is not affected.

The invention relates to a leg joint rehabilitation device. The problems of single recovery effect and poor effect of an existing joint rehabilitation device are effectively solved. According to the technical scheme for solving the problems, a through groove is formed in a flat plate, a threaded pipe capable of moving up and down and moving left and right is arranged in the through groove, the upper end of the threaded pipe is rotatably connected with a cross rod, a first support plate is hinged to the left side of the cross rod, a sliding plate is arranged on the first support plate, the upper end face of the sliding plate is rotatably connected with a semi-circular arc plate, a foot pedal is hinged to the upper end of the semi-circular arc plate, and a sliding block is hinged to the leftend of the first support plate. A first hydraulic telescopic rod is hinged to the sliding block, the other end of the first hydraulic telescopic rod is hinged to the foot pedal, a second hydraulic telescopic rod communicated with the first hydraulic rod telescopic rod is fixed to the right end of the sliding block, a second support plate is fixed to the right side of the cross rod, a winding wheel is arranged at the front end and the rear end of the cross rod respectively, a rope is arranged on the semi-circular arc plate, and the ropes are respectively wound around the two second winding wheels in opposite winding modes.

The invention discloses a large dynamic high speed weak pulse signal linear measuring circuit. The circuit comprises a photoelectric detector, a prepositive current pressure conversion circuit, a high speed integrating circuit, a peak holding circuit, a low frequency voltage amplifying circuit and an AD sampling circuit; wherein the photoelectric detector is sequentially connected with the prepositive current pressure conversion circuit, the high speed integrating circuit, the peak holding circuit, the low frequency voltage amplifying circuit and the AD sampling circuit. The invention has novel conception, reasonable design and stable performance and provides a large dynamic high speed weak pulse signal linear measuring circuit. A common peak holding circuit is adopted in the invention, slower signal can be effectively held; measuring range switching manner is still adopted, thus the aim of expanding measuring range can be achieved; and dynamic measuring range of more than 30dB can be achieved without switching channel.

The invention relates to a multifunctional universal screw machine which is particularly applicable to the assembly manufacturing industry and specifically discloses a screw machine which can realize the self-detecting and the self-positioning and automatically choose positions to strike corresponding screws according to detection results. The screw machine comprises a screw striking mechanism, a control system, a feed mechanism and a rack. The control system comprises a charge-coupled device (CCD), an image capturing card, a personal computer (PC), an input/output (I/O) card, a controller and a human machine interface (HMI). The rack comprises a screw machine body and an outer cover. The body is provided with a power distribution unit and various safety protection devices and the outer cover is transparent. The whole device applies advanced vision measurement technology to automatic control skillfully to realize the automatic forming and positioning of screw holes. The screw machine has the advantages of novelty in concept, high detection precision, improvement in the assembly quality and efficiency of products, simplicity in structure, convenience in programming, high automation degree and strong universality. The self-detecting self-positioning universal screw machine is suitable for large-scale popularization.

The invention relates to a natural plant health preservation pillow, which belongs to the technical field of living needs of human beings. The invention consists of mixing medicines, internal sleeve grass cloth, external sleeve charmeuse surface and thin plastic films. The mixing medicines comprises cassia occidentails, masson pine needles, prunella, chrysanthemum, mulberry leaves, Chinese mugwort leaves, acid jujube kernels, herba gynostemae, jasminum nudiflorum, Chinese rose flowers, albizzia flowers, etc. Each component is configured according to the weight percentage. The manufacturing technique has the steps as follows: material selecting, grinding, sieving, evenly mixing, pillow packing and packaging. The invention has the advantages of novel conception, standard technique, simple and convenient manufacturing, no pollution and no side-effect and is easy to form the batch production; the invention also has the health care and health preservation functions of aromatic, anti-hypoxia, central nervous adjustment, tranquilization, reducing blood pressure, cervical pain relief, etc. The production is proper in price and convenient in use, is acceptable to consumers and is especially suitable for the crowd who have neurasthenia, amnesia, fatigability, hypertension, headache and cervical spondylosis and for women who want to keep youthfulness and moisten skin and adolescents who want to improve the intelligence.

The invention relates to a magnetic monogroup negative electricity static developing ink powder for several types of machines. The said ink powder is made by resin, magnetic powder, electric charge controller, polyacrylic acid, earth silicon, earth silicon, lubricating oil viscosity, through batching, mixing, coarse crushing, fine powder crushing, rear leveling, additional mixing, screening, inspection and packing. It is unique in ink powder formula, process specification, easy for mass production, with extensive compatibility, matching with machines of various types, getting high quality printing material. It can be used as attached consumption material for magnetic mono group negative electricity digital printer, and laser printer.

The invention provides a smoke pipe filtering device with an automatic ash cleaning function, aiming at effectively solving the problem of an existing flue pipe dust removing device that the utilization of a filtering screen is low. According to the technical scheme, the smoke pipe filtering device comprises a cylinder, wherein a sector-shaped channel is arranged on an inner wall of the cylinder;a core shaft is arranged at the center of the cylinder; a filtering disc is arranged in the cylinder; a cam is mounted at the left end of the core shaft; a first arc-shaped groove is formed in the cam; a stopping block is arranged in the groove; the lower side of the cam is connected with a connecting rod; the connecting rod is hinged with a first rack; the first rack is engaged with a first gear;a rotary rod is connected onto the first gear; an arc-shaped rod is connected onto the rotary rod; a dust scraping plate is arranged at one end, close to a filtering disc, of the arc-shaped rod; a device capable of automatically retracting an upper arc-shaped plate toward the inside is arranged at one end, close to the arc-shaped rod, of the dust scraping plate; the retracting device is connectedwith the rotary rod to form a rotary rod driving retracting device, so that the retraction of the dust scraping plate in an upward movement process is realized and the effect of stretching out the dust scraping plate to scrape dust in a descending process is realized; the smoke pipe filtering device has a novel concept and an ingenious structure.

The invention discloses a ladle nozzle casting combined drainage plug, belongs to an accessory device for ladle casting operation, and particularly relates to a ladle brick cup nozzle casting drainage device. The drainage plug is characterized by consisting of a sand storage, an inosculation cylinder, clamping plates and supporting sheets which are connected; the bottom of the sand storage is greater than the diameter of the upper part of a nozzle, a bottom plate is provided with a double-wall annular sand storage chamber in which drainage sand is filled, and a plug cover is tightly covered on the sand storage chamber; the bottom plate is provided with a guide hole corresponding to the center of the plug cover; and the inosculation cylinder is a thin-shell cylinder equivalent to the shape of the inner wall of the nozzle, the upper part of the inosculation cylinder is connected with the bottom plate of the sand storage, the lower part of the inosculation cylinder is provided with the clamping plates in pairs, one end of the supporting sheet is fixed on the clamping plate, and the free end of the supporting sheet is jacked on the opposite clamping plate. The drainage plug has novel conception, compact and reasonable structure; the components are manufactured separately, so the drainage plug is convenient to process, store and transport; the drainage plug saves materials, has light weight, and is easily installed accurately in place; the strength of the drainage plug is remarkably increased, so the drainage plug is stable to install and safe and reliable in use; the nozzle is clean, so the casting success rate is improved; and the drainage plug saves the expense and time for treating drainage faults, and is favorable for smooth operation of steelmaking production.

The invention provides a method for optimizing an aluminum/steel metal inert-gas (MIG) soldered joint through a tungsten inert gas (TIG) voltaic arc cooperating with heating. The method comprises the following steps: (1) laboratory equipment is prepared; (2) a TIG welding gun is mounted beside a MIG main welding gun and mutually parallel to the MIG main welding gun; (3) acetone is adopted to wipe greasy dirt impurities off in an aluminium plate, a steel plate beveled edge and the surrounding; (4) the TIG voltaic arc is confirmed to be located beside a steel side for assisting, namely, the TIG voltaic arc heats the steel additionally in the welding process; (5) official welding is carried out; (6) and after the welding is finished, the MIG main welding gun is firstly closed, and then the TIG welding gun is closed. The method for optimizing the aluminum/steel metal inert-gas (MIG) soldered joint through the tungsten inert gas (TIG) voltaic arc cooperating with heating has the advantages that conception is ingenious, heat balance when a single voltaic arc is welded can be changed, the temperature of solid-state steel substrates can be improved, changes of form of interface compounds is promoted, an interface intermetallic compound layer is changed from the fact that the interface intermetallic compound layer singly grows to welded joints so as to form a layer shape to the fact that the interface intermetallic compound layer grows to the steel side with a high melting point in a sawtooth shape, pinning effects are enhanced, and the mechanical property of a connector can be obviously improved.

The invention relates to a multistage smashing device for producing antler powder. The problems that existing antler powder is poor in smashing effect and is not thoroughly smashed are effectively solved. According to the technical scheme, the multistage smashing device comprises a box, a filtering screen is fixed to an opening in the lower end of the box, and a volume-variable frame composed of first vertical plates, second vertical plates and U-shaped plates is arranged on the upper surface of the filtering screen. A vertical rod is arranged over the frame, a pressing hammer is arranged at the lower end of the vertical rod, and a stirring rod capable of contracting towards the pressing hammer and resetting in the reverse direction is arranged below the pressing hammer. First ratchet wheel and pawl structures are arranged on the two sides of the vertical rod, the outer side of each U-shaped plate is rotationally connected with a reciprocating lead screw, when the vertical rod moves upwards, first pawls drive the first ratchet wheels on the same side to rotate, and therefore the rectangular frame is reset after the volume becomes large. A baffle is arranged at the lower end of thefiltering screen, when the vertical rod moves upwards, a rope drives the baffle to move backwards, and when the vertical rod moves downwards, the baffle is reset forwards. The multistage smashing device is novel in conception, ingenious in structure and high in practicality.

The present invention belongs to the biotechnology field and aims at providing one kind of domestic packing film capable of being degraded completely. The packing film is produced with corn starch asmain material and degradable polyvinyl alcohol and other supplementary material and through the steps of making colloid, mixing, crosslinking, drying to form film, film surface treatment, etc. The said process can produce domestic packing film with excellent performance for application widely in light industry, food product, daily used article and other packing fields.

The invention relates to an automatic cooking machine for fried bread sticks. The machine is characterized by comprising a blank making device, a blank drawing and stretching device, a cooking device and a discharging device which are connected in a cooperative mode. By the cooperation of the blank making device, the blank drawing and stretching device, the cooking device and the discharging device, all processes are automatically completed from slicing, flour spreading, blank pressing, automatic drawing and stretching to fried bread stick cooking and discharging, and it is only needed to regularly feed a dough box and a flour box and replace the oil in an oil tank, so that automated operation of cooking the fried bread sticks is achieved, and automatic vending of the fried bread sticks is achieved if combined with a vending machine.

The invention discloses a steering transmission mechanism. The steering transmission mechanism comprises a bottom plate (10), a link mechanism, a supporting plate (5), a transverse rack (6) and a longitudinal rack (7), and is characterized in that the link mechanism is connected with the supporting plate (5) through a swing stem (8), wherein the transverse rack (6) and the longitudinal rack (7) are arranged on the right side and in the lower space of the supporting plate (5) respectively; a groove cam (1) rotates to drive a push-pull rod (3) to push the swing stem (8) to do reciprocating motion along big and small-radius grooves (1a), so that the supporting plate (5) connected to the swing stem (8) rotates at an angle of 90 degrees; an article is pushed through the supporting plate (5) from the transverse rack (6) under the action of external pushing force to be conveyed to the longitudinal rack (7). The steering transmission mechanism has the advantages of novel conception, rational design, simple mechanism, compact structure and stable operation, and has the advantages of high degree of automation, high production efficiency, safety and reliability when being matched with a production line.

A method for deodorizing garbage by utilizing a composite microbial agent comprises the steps: taking the composite microbial agent as a bacterial source, taking water harmless to a strain as a carrier, cooperating with a strain-required nutrient source, preparing a composite microbial deodorant, then utilizing the composite microbial deodorant to be blended with the same amount of clear water to obtain a bacterial liquid, and directly spraying the bacterial liquid in an atomization state to a garbage material, so as to reach the purpose of deodorization. Through the implementation of the method, the composite microbial deodorant liquid is simple in preparation process and can be successfully rejuvenated through room temperature culture, and no pollutants are produced in the rejuvenation process. In an application process, the deodorant firstly absorbs malodorous substances in gas through the larger specific surface area and then converts the malodorous substances into other odorless substances through metabolism of microbial flora. The used strain used in the implementation of the method has an official registration certificate awarded by the nation and is harmless to both the environment and surrounding organisms, so that the use of the compound biological deodorant does not cause secondary pollution to the environment, and the environmental load is low.

The invention provides an optical fiber detection device, which effectively solves the problems that the existing device has single function and is inconvenient to use, the tension cannot be kept constant, and the measurement is unprecise due to uneven winding. According to the technical scheme, the optical fiber detection device comprises a base, wherein the upper end of the base is provided witha fixed column, the upper end surface of the base is provided with a plurality of wire winding columns which are positioned around the fixed column and have different thicknesses, a plurality of annular grooves are formed in the outer circumferential surface of the fixed column, the number of the annular grooves equals that of the wire winding columns, a tension device capable of rotating insideeach annular groove is fixed therein, and each wire winding column is provided with a pressing block corresponding to the height of the corresponding annular groove; and each tension device comprisesan arc-shaped block clamped in the corresponding annular groove, a rotatable supporting column is mounted on each arc-shaped block, a sleeve perpendicular to each supporting column is fixed on the supporting column, a first through hole is formed in the center of the sleeve, a plurality of clamping blocks are arranged inside one end of each sleeve, and each sleeve is internally provided with an adjusting column which can move along the axial direction of the sleeve. The optical fiber detection device is novel in concept and ingenious in structure.

A multifunctional nursing bed able to run on floor is composed of a nursing bed with U-shaped frame, a wheelchair, and an electric drive mechanism consisting of motor and driver unit for lifting up or lowering down said wheelchair and turning over the lift frame and supporting frame. When it is used as a nursing bed, said wheelchair can be used as the part of bed.

The invention discloses a millimeter-wave radar-based tracking and obstacle avoidance system for an unmanned ship. The system comprises the unmanned ship, and millimeter-wave radars, a satellite positioning system, an inertial navigation system and a main control computer arranged on the unmanned ship, wherein the millimeter-wave radars are uniformly mounted around the unmanned ship, and measure position, speed and acceleration information of environments on the front side, the back side, the left side and the right side of the unmanned ship relative to the unmanned ship; the satellite positioning system and the inertial navigation system detect the position, speed and acceleration information; and the satellite positioning system, the inertial navigation system and the millimeter-wave radar are connected with the main control computer through cables. The system is novel in concept, accurate in detection, high in reliability, low in cost and simple in algorithm, and is very suitable for autonomous motion of small unmanned equipment subjected to unmanned operation.

The invention belongs to the technical field of prefabricated bridge concrete pouring and particularly relates to a prefabricated bridge concrete pouring rainproof construction method and a device thereof. The invention solves the problem that the construction of the existing prefabricated bridge is seriously affected by rainy seasons. The device comprises a template rainproof awning, a hopper and a rainproof mobile pouring trolley, wherein the template rainproof awning comprises a template rainproof awning framework and a template rainproof awning roof; a hopper rainproof cap is arranged at the top of the hopper; the rainproof mobile pouring trolley comprises a walking trolley, a bracket platform, a receiving hopper, a fixed chute and a rotating chute. The method comprises the steps: covering the template rainproof awning, conveying concrete by using the hopper with the rainproof cap and pouring the concrete through the rainproof mobile pouring trolley. The prefabricated bridge concrete pouring rainproof construction method and the device thereof have the benefits that the rainproof pouring construction method of prefabricated bridge concrete through the bridge template rainproof awning, the rainproof mobile pouring platform and other tools is initiatively utilized, the problem of prefabricated bridge concrete pouring construction in rainy seasons is solved, and the construction quality of the prefabricated bridge concrete in the rainy seasons is ensured.

The invention relates to a hydroponic method of mushrooms. The method specifically includes the steps of proportioning, bagging, sterilizing and inoculating according to a conventional method; timely allowing air to escape from each mushroom stick through several holes during bacteria culture so as to enable mycelia to grow rapidly with low pollution rate; setting up cultivation strip beds in a mushroom greenhouse, and then arranging the mushroom sticks for 'further cultivation' and fully soaking the same in water to be moistened sufficiently after the mushroom sticks are colored uniformly. By the hydroponic method, conversion rate of the mushrooms is maximized due to sufficient moisture, and management is facilitated due to overall fertigation of the water; the hydroponic mushrooms are not accompanied with sediments, so that drying rate is equivalent to that of earthing cultivation while quality is much better than that of the earthing cultivation; further, the hydroponic method of the mushrooms has great advantage not only in summer but also in other seasons, and convenience in artificial regulation thereof can even be used in facility cultivation. The hydroponic method is quite suitable for factorized, intensified and large-scaled production of the mushrooms, and worthy of vigorous promotion.

The invention relates to a push type brush for degreasing cleaning of a steel pipe inner wall. The push type brush comprises a brush rod and at least one propeller blade which can push the brush rod to move under liquid or gas, wherein the propeller blade is arranged on the end of the brush rod, and the brush rod is provided with brush bristles. The push type brush for degreasing cleaning of the steel pipe inner wall provided by the invention has the advantages that the structure is simple, the conception is novel, the manufacture is easy, the steel pipe inner wall is effectively cleaned at high efficiency so as to achieve the special cleanness requirements such as pipes for nuclear power, the steel pipe inner wall after cleaning is not damaged, and the quality of a steel pipe is unaffected; and the steel pipe inner wall is easy to clean up no matter how long the steel pipe, the time is saved, the labour is saved, and the operational efficiency is high.