67results about How to "Good promotion prospect" patented technology

The preparation method of the bouquet type non-combustible reconstituted tobacco for the heating non-combustible cigarette comprises the following steps: respectively extracting a tobacco stem raw material and a leaf powder raw material, and carrying out solid-liquid separation after extraction to obtain tobacco stem residues and a tobacco stem extracting solution as well as leaf powder residues and a leaf powder extracting solution; mixing and grinding the tobacco stem residues and the leaf powder residues into pulp, and obtaining tobacco mixed pulp; respectively carrying out vacuum concentration on the tobacco stem extracting solution and the leaf powder extracting solution to obtain stem paste and leaf paste, and mixing the stem paste and the leaf paste to obtain a tobacco extract; mixing the tobacco mixed pulp, wood pulp fibers, a solid-phase wine aroma type substance and a filler to prepare pulp, adding an auxiliary agent, and making paper into a substrate by adopting a papermaking process; mixing and blending the tobacco extract, the atomizing agent and the essence to obtain coating liquid, coating the coating liquid on the sheet base, and drying to obtain the bouquet type non-combustible reconstituted tobacco. The reconstituted tobacco prepared by the method has unique wine fragrance and good bulk, and is particularly suitable for making low-temperature heating non-combustible cigarette products.

The invention belongs to the technical field of medical instruments, and achieves a sputum suction device with a breath simulating function. The content mainly relates to the method that through simulating of breath of a patient, influence on work of a breathing machine in the working process of the sputum suction device is avoided. The sputum suction device is different from a traditional sputum suction device, the sputum suction device and the breathing machine are connected to a breathing circuit of the patient in parallel, through the self learning function of the sputum suction device, the mechanical ventilation characteristic of the patient is learned, and through simulating of a breath process of the patient, the influence on the breathing machine due to the cutting off of mechanical ventilation circuit is avoided in a sputum suction process of the sputum suction device. The sputum suction devices simulates the breath process of the patient, the influence on the breathing machine due to the cutting-off of mechanical ventilation circuit is avoided in the sputum suction process, influence on mechanical ventilation by the patient after the sputum suction is reduced, and therefore the sputum suction device has excellent popularizing prospects.

The invention relates to virus-like particle recombinant protein of a virus variation strain VP2 gene of an infectious bursal disease, belonging to the field of biologic pharmacy. The IBDV variation strain (AH1) VP2 gene is cloned, converted and transfected to obtain a recombinant baculovirus vBac-VP2; an infected Sf9 insect cell has specific fluorescence, and the antigen valence of the infected Sf9 insect cell is above 1.6*10<3>; the molecular weight of a recombinant VP2 protein is 53kDa, and the recombinant VP2 protein is in the state of virus-like particles; an indirect ELISA detection method established for an envelope antigen by the purified recombinant VP2 protein has good specificity and sensibility; an immune chicken can resist IBDV virulent attack, and the protection ratio achieves 100 percent. The novel virus-like particle recombinant VP2 protein prepared by the IBDV variation strain VP2 gene has high pertinence on the immune prevention of a current prevalent IBDV virulent strain and good practical value and popularization prospects.

A method for obtaining a micro-nano SiO2 particle containing coating on a surface of aluminium and aluminium alloy. Samples are firstly subjected to alcohol immersing, chemical removing for oil and alkali, acid erosion, water washing and zinc dipping, and finally pre-treated by acetone and alcohol ultrasonic cleaning; SiO2 nanometer particles are placed in a non-ionic surface active agent OP-21 to immerse; and then the samples are subjected to composite chemical plating and washed by cold water to obtain the finished product. The method is reasonable in technology and easy to operate, can produce the coating just by using equipment of traditional nickel-phosphorous chemical plating technology, and has relatively good economic benefit and popularization prospect. The obtained coating is compact and firm, and has advantages of good combinability, uniform surface, high hardness, wear resistance, heat resistance and high comprehensive properties; and hardness and wear resistance of the obtained coating are all higher than that of single nickel-phosphorus coatings. The active agent is nontoxic, environmentally-friendly, highly-efficient, simple in formula, easy to operate and low in cost.

A system and method for playing Flash-based media are disclosed in the present invention. The method comprises that: when a Flash conversion server receives a Flash play request sent from a media server, it parsing the request, if the Flash play request is a dynamic Flash request or a real-time Flash request, the Flash conversion server converting the Flash file that is requested to be played into code stream data, and pushing the code stream data to the media server; and the media server playing the received code stream data to the terminal. With the technical solution in the present invention, the Flash animation can be converted and played to a terminal in real time.

The invention relates to a cooking range generating steam by using waste heat. The cooking range a furnace body, a furnace head and a water tank, wherein the furnace body is combined by an inner furnace wall and an outer furnace wall; a hollow region surrounded by the inner furnace wall is a hearth; a plurality of tubular fire bars are uniformly arranged below the hearth at intervals in the furnace body; the furnace head comprises an outer furnace ring, an inner furnace ring and a pot body supporting ring; the lower end of the inner furnace ring is connected to the inner furnace wall; the lower end of the pot body supporting ring is connected to the outer furnace wall; a cavity among the inner wall furnace, the outer wall furnace and the furnace head is a heating cavity; a coil surrounding the hearth is arranged in the heating cavity; a steam pipe communicating with the top of the heating cavity is arranged in the upper part of the water tank; a water outlet pipe communicating with the bottom of the heating cavity is arranged in the lower part of the water tank; a gas outlet pipe is arranged on the top of the water tank; a water inlet is formed between the steam pipe and the water outlet pipe on the water tank; and a float ball water inlet valve is arranged on the water inlet. The cooking range provided by the invention realizes efficient recovery of smoke heat and automatic control of water inflow in a stove using process.

The invention discloses a method for controlling the power generation state of a three-phase grid-connected photovoltaic inverter. The method comprise the following steps of: calculating an active power reference value P* and a reactive power reference value Q* which are output by an optimal three-phase grid-connected photovoltaic inverter; controlling a conduction control signal of a direct-current boosting circuit and a conduction control signal of an inverter circuit in the three-phase grid-connected photovoltaic inverter; and automatically adjusting the magnitudes of the output active power and the output reactive power to ensure that the three-phase photovoltaic inverter always runs at a maximum benefit point and brings greatest benefit to a user. The algorithm is suitable for single-stage or two-stage three-phase three-bridge-arm or four-bridge-arm grid-connected photovoltaic inverters, and has a wide application range and a good popularization prospect.

The invention discloses a geothermal water supply system. The geothermal water supply system mainly consists of a geothermal water well, a pump, a water treater, a hot water variable-frequency pump, a coil heat exchanger, an expansion tank, a negative-pressure eliminator, a control cabinet and a hot water pipe network, wherein the pump is mounted in the geothermal water well; outlet water of the pump is connected with a water transmission pipe; the water transmission pipe is connected with inlet water of the water treater; outlet water of the water treater is provided with a connecting pipe for connecting with inlet water of the coil heat exchanger; the connecting pipe enters from the bottom of the coil heat exchanger, and extends to the upper part of the coil heat exchanger; the negative-pressure eliminator is mounted at the top of the coil heat exchanger; and a temperature control transducer is additionally arranged on the coil heat exchanger. The geothermal water supply system has such advantages as energy conservation, economy, safety and good use effect, has the beneficial effects of complete system configurations, high intelligent control degree, complete protective functions, convenience for management and maintenance, low operation cost, and has excellent practical value and promotion prospect in such hot water fields as houses, offices, hotels and bath centers.

The invention discloses an expansive type halogen-free flame-retardant ethylene propylene diene monomer material. The material is prepared and processed from the following raw materials in parts by weight: 50-70 parts of ethylene propylene diene monomers, 30-50 parts of a surface-modified expansive type halogen-free flame retardant, 1-5 parts of a smoke suppressant, 1-3 parts of a processing aid and 2-5 parts of a vulcanizing aid, wherein the surface-modified expansive type halogen-free flame retardant is prepared from polyphenylphosphonate piperazine, phenyl phosphinate, melamine cyanurate or melamine polyphosphate through compounding. After the compound halogen-free flame retardant is subjected to wet process modification by virtue of a polysiloxane compounded titanate surface modifying agent, the water tolerance and consistency are obviously improved, the compound material has excellent flame retardance, water tolerance and physical and electric properties, the oxygen index reaches 43% or above, and the compound material reaches (1.6mm) V-0 level, can be widely applied to the fields of new energy automobile parts, electric wires and cables, electronic devices and equipment and the like and has good application prospects.

The invention discloses a pancreas cancer prevention use of polycyclic fused macrocyclic lactam compounds. The structural formula of the polycyclic fused macrocyclic lactam compounds is shown in the description; and in the formula, R1 is OCH3 or H, R2 is Cl or OH, and R3 is OCH3 or H. The polycyclic fused macrocyclic lactam compounds are separated through separating and purifying a fermentation liquid of Streptomyces xiamenensis CGMCC No.4.3534 from mangrove soil. Prepared ikarugamycin and derivatives thereof can inhibit proliferation and vitality of human pancreas cancer cells, and can be used to prepare pancreas cancer prevention drugs.

The invention discloses an automatic back rubbing device. The automatic back rubbing device comprises two height adjusting guide rods, an upper support plate, a lower support plate, a drive motor, a guide pipe and a reversing groove; a drive screw is arranged in the guide pipe; a T-shaped drive block is arranged on the drive screw; the T-shaped drive block is connected with a reversing gear arranged inside the reversing groove; two reversing toothed plates are arranged on the two sides of the reversing gear; the reversing gear is further connected with a rubbing head assembly through a spherical cardan joint; a waterproof cover is arranged outside the drive motor; and an infrared proximity switch and a control circuit board for controlling the drive motor to run forwards and backwards are arranged inside the waterproof cover. When the automatic back rubbing device is used, the height of the back rubbing device is adjusted according to the personal height, then a power source is switched on, the back is leaned on a rubbing head, the automatic back rubbing device will run automatically, automatic rubbing on the back of the human body is carried out, the rubbing head rotates left and right whole moving up and down, and the effect of manual rubbing is simulated. As a height adjusting device is arranged on the automatic back rubbing device, the automatic back rubbing device can be suitable for people with different heights.

The invention relates to a self-resetting one-way sliding tensile support seat. The support seat comprises a lower support seat plate, a spherical sliding plate, a spherical crowning lining plate, anintermediate lining plate and an upper support seat plate, the bottom of the lower support seat plate is used for being welded and fixedly connected with a bridge pier, the spherical sliding plate ismounted on the upper portion of the lower support seat plate, the spherical crowning lining plate is mounted in the spherical sliding plate, the spherical crowning lining plate is slidable in the spherical sliding plate to meet the requirement of the large corner of a bridge, the lower side of the intermediate lining plate is located above the spherical crowning lining late, the upper side of theintermediate lining plate is located below the upper support seat plate, the upper support seat plate is used for being welded with a bridge body, the intermediate lining plate is fixed to a plate spring assembly in a bridge forward direction to ensure that the support seat slides to conduct self-resetting in the bridge forward direction, and the intermediate lining plate is fixed to a guide sliding strip in a cross bridge direction for guiding and constraint. Compared with the prior art, the support seat has the advantages of slip self-resetting, vertical tensile resistance, stable performance, low cost and the like.

The invention discloses a pot-type pressure-superposed secondary water supply device. The pot-type pressure-superposed secondary water supply device comprises a flow stabilization tank, a negative pressure eliminator, a water sterilizer, a water pump, an air pressure water tank, a flow detecting device and a control cabinet. The negative pressure eliminator is installed on the flow stabilization tank, inlet water of the flow stabilization tank is connected with a tap water inlet pipe, and outlet water of the flow stabilization tank is connected with the water pump through an arranged water distribution pipe; and the water sterilizer is further installed on the water distribution pipe, a first pressure detecting meter is arranged on the tap water inlet pipe connected with the flow stabilization tank, a second pressure detecting meter is arranged on a water outlet header pipe, and a water-free detecting device is arranged inside the flow stabilization tank. The pot-type pressure-superposed secondary water supply device has the beneficial effects of being simple in structure, small in occupied land, low in cost, convenient to install and maintain, good in using effect and the like; in addition, the energy-saving effect can be achieved through the pressure of the tap water inlet pipe, and therefore the pot-type pressure-superposed secondary water supply device. The pot-type pressure-superposed secondary water supply device has the good practical value and the good popularization prospect.

The invention discloses an abnormal high-pressure gas reservoir dynamic reserve calculation method based on real strain. The method comprises the following steps of 1, building a target abnormal high-pressure gas reservoir rock compression coefficient expression, and specifically carrying out sampling of an abnormal high-pressure gas reservoir multi-port single-well reservoir rock core, carrying out rock stress sensitivity testing, establishing a logarithmic regression function of rock pore volume and effective stress to obtain an average dimensionless parameter b suitable for a target block to reflect comprehensive properties of rock; 2, establishing an abnormal high-pressure gas reservoir dynamic reserve calculation model based on the real strain, and specifically establishing a dynamicreserve calculation model based on the real strain according to the established rock compression coefficient expression; and 3, calculating dynamic reserves of the abnormal high-pressure gas reservoir, and specifically calculating dynamic reserves of the block through using monitored average pressure and a model pressure drop equation according to the dynamic reserve calculation model. According to the abnormal high-pressure gas reservoir dynamic reserve calculation method based on the real strain, the problems that a dynamic reserve calculation result is large through using a conventional pressure drop method and that parameter values of an existing abnormal high-pressure gas reservoir reserve calculation formula is difficult to obtain can be solved.

The invention relates to the technical field of mechanical equipment, and in particular to a turning washing device, which comprises a washing tank with a square structure; the upper portion of the washing tank is provided with a closed upper chamber which is of a square structure, a plurality of nozzles are arranged on the bottom of the inner wall of the upper chamber, and the interior of each nozzle is provided with a plurality of sprinkling holes; a lower chamber is arranged under the upper chamber, the front and back of lower chamber is of a penetration chamber structure, mounting shafts are rotatably mounted on the left sidewall and right sidewall of the lower chamber through bearings, a turning table is fixedly connected between the mounting shafts, both sides of the turning table are provided with square mounting grooves in symmetry, retractable hydraulic rods are arranged in the mounting grooves, sliders are arranged at the inner ends of the hydraulic rods, the inner sides of the sliders are provided with T-shaped grooves, T-shaped blocks are mounted in the T-shaped grooves, and the T-shaped blocks are arranged on the outer sides of lateral protrudings of the upper ends ofclamping blocks; and the lateral protrudings are symmetrically arranged on the two sides of the upper portions of the clamping blocks. The turning washing device has a good application prospect, so the turning washing device has high adaption value and popularization prospect.

The invention discloses a synchronous brake device used for a medical sickbed. The device comprises trundles, a rear brake pedal and a brake release pedal. The trundles are symmetrically arranged on a bottom frame of the medical sickbed and facilitate walking. A lifting structure is arranged between the bottom frame and an upper bed frame in a connected mode, two middle brake pedals are symmetrically arranged in the middle of the bottom frame, and a middle brake connecting rod is connected between the two middle brake pedals. Side pipes on the left side and the right side of the bottom frame are of hollow structures, a first brake pull rod is arranged in the side pipe on the left side, the first brake pull rod is connected with the rear brake pedal, a second brake pull rod is arranged in the side pipe on the right side, and the second brake pull rod is connected with the brake release pedal. The middle brake pedals, the rear brake pedal and the brake release pedal are in rotational clearance fit installation with the bottom frame. Independent brake operation of a tailstock and independent brake operation of a bed middle can be achieved, dual brake operation of the tailstock and the bed middle can be achieved, and the stability of the brake effect is improved.

The invention belongs to the technical field of air purification, and discloses an aluminum-loaded noble metal monolithic catalyst as well as a preparation method and application thereof. The monolithic catalyst is prepared by the following steps: soaking an aluminum carrier in a pickling solution, taking out the soaked aluminum carrier, and washing the aluminum carrier with water; putting the pickled aluminum carrier into a noble metal precursor solution, carrying out a water bath reaction at 40-70 DEG C, taking out the aluminum carrier, and washing the aluminum carrier with water; and finally, drying the aluminum carrier until the weight of the aluminum carrier becomes constant. The noble metal precursor solution is an aqueous solution of one of palladium chloride and chloroplatinic acidand any one of ethylene diamine, sodium chloride, glycine, and sodium ethylene diamine tetraacetate. Under a condition that the content of noble metals in the monolithic catalyst is very low (0.02-0.15 wt.%), the monolithic catalyst shows an excellent low-temperature purification performance, can be ignited at 154-192 DEG C, and achieves a complete purification effect on toluene pollutants at 205-261 DEG C.

The invention discloses a multi-directional coordinated rotating fixed bridge support, comprising an upper support plate, a spherical crown lining plate and a lower support plate, wherein a bridge forward-direction rotating block and a bridge cross-direction rotating block are arranged between the inner side wall of a check block of the upper support plate and the outer edge periphery of the top of the lower support plate; the outer side faces of the bridge forward-direction rotating block and the bridge cross-direction rotating block are separately connected with the plane of the check blockof the upper support plate in a sliding way, the inner side faces of the bridge forward-direction rotating block and the bridge cross-direction rotating block are separately and rotatably connected with the spherical surface of the outer edge of the upper end of the lower support plate, the bottom surfaces of the bridge forward-direction rotating block and the bridge cross-direction rotating blockare separately and rotatably connected with the spherical surface of a horizontal rotary check block fixedly connected with the bottom of the check block of the upper support plate, and adjustable gaps are reserved between the rabbet inner wall of the check block of the upper support plate and the top surfaces of the bridge forward-direction rotating block and the bridge cross-direction rotatingblock, so that multi-directional coordinated rotation of the support is realized. The multi-directional coordinated rotating fixed bridge support is simple in structure, low in manufacturing cost, andconvenient and fast to install; by means of multi-azimuth spherical rotational connection, all the components are in a surface contact stress state during work of the support, so that the service life of the support is significantly prolonged; therefore, the support has good economical practicability and popularization prospect.

The invention discloses a passive hydrogen recombiner with a wind electricity conversion function and application thereof. The passive hydrogen recombiner comprises a hydrogen recombiner body, a wind electricity conversion module and an energy storage module, wherein the side wall of the upper part of the hydrogen recombiner body is provided with an opening, and the wind electricity conversion module is arranged at the opening; the energy storage module comprises a protective shell, a storage battery built in the protective shell, and an asbestine layer arranged between the inner wall of the protective shell and the storage battery for thermal insulation; the wind electricity conversion module is connected with the storage battery through a leading wire. According to the passive hydrogen recombiner provided by the invention, hydrogen can be removed, and electric energy can be produced for being used by other emergency equipment at the same time under an emergency condition, so the tension condition of emergency power energy under the emergency condition is relieved, and further, the kinetic energy of flue flow circulation is converted into electric power while a containment and hydrogen safety are guaranteed, and the comprehensive utilization of energy sources is realized, and the safety of the nuclear power containment is improved, which has an important meaning to nuclear power safety.

The invention relates to a new spray coating material and a preparation method of the spray coating material. The spray coating material can endow a surface layer with agate luster and texture and is fully elegant when used on the surface layer to be spray-coated. The spray coating material can be used as an inner wall paint, or directly spray-coated on the outer layer of sanitary wares; the use method of the spray coating material is identical to that of common paint; and the spray coating material has the characteristics of delicate coating, convenience for operation, corrosion resistance and the like.

The invention discloses a device and method for improving radio frequency sterilizing uniformity for almonds. The apparatus comprises a first tier of almond container, a second tier of almond container, a third tier of almond container, a third tier of almond container, a fourth tier of almond container and a fifth tier of almond container. The method comprises the steps of placing the five tiers of almond container in sequence; heating almonds for 3 min by hot air assisted radio frequency; placing the five tiers of almond container in reverse direction; heating the almonds for 3 min by hot air assisted radio frequency; stopping heating the almonds by radio frequency, and holding the temperature of 72 DEG C for 15 min by hot air; stopping temperature holding by hot air, and cooling quickly to room temperature. By using the apparatus and method, nutrition loss in almonds in corners of the containers due to too high temperature is avoided, and the almonds can be heated more evenly in radio frequency treatment.

The invention discloses a method for establishing an accumulation body slope numerical calculation model by adopting a stone throwing mechanism. The method comprises the steps of selecting typical parts of an accumulation body, and shooting images by adopting a digital camera to collect a batch of dimension stones; extracting the outlines of the dimension stones through a digital image processingtechnology, and establishing a dimension stone library; then, according to the range of the accumulation body provided by survey data, constructing a real calculation model of the accumulation body byadopting the stone throwing mechanism; and finally, converting the real calculation model into a graphic interaction file, and constructing model data of corresponding geotechnical material for analysis and calculation. According to the design, the real calculation model of the accumulation body is constructed by constructing the dimension stone library, calling the data of the dimension stone library and randomly putting the dimension stones, so that the real simulation of the composition of the accumulation body is realized, the calculation accuracy of the stability of the accumulation bodycan be effectively improved, and besides the stability coefficient of the accumulation body can be calculated, relevant information parameters such as stress and strain of the accumulation body can be obtained, so that good practicability and popularization prospects are achieved.

The invention discloses a quick drying type digital printing dispersing ink as well as a preparation method and application of the quick drying type digital printing dispersing ink. The quick drying type digital printing dispersing ink comprises the following components by mass percentage: 25%-50% of color paste of a disperse dye, 2%-5% of butyl carbitol, 10%-30% of humectant, 0.5%-2% of a bactericide, 1%-4% of a surfactant, 0.1%-2% of a pH regulator, and the balance of deionized water. The quick drying type digital printing dispersing ink is excellent in applicability, is good in smoothness and stability in the printing process, not only has excellent moisture retention and wettability, but also accelerates the drying speed of the ink on a matrix, and reduces the drying temperature of thematrix and shortens the drying time; in addition, the quick drying type digital printing dispersing ink is stable in performance, can be stored for a long time, does not generate precipitates or suspended materials, and has a better industrial application and promotion prospect.

The invention discloses high-toughness narrow-hardenability belt 20CrMnTiH gear steel. The gear steel further comprises the following chemical elements in percentage by mass besides Fe: 0.17%-0.20% of C, 0.17%-0.25% of Si, 0.8%-0.85% of Mn, 1%-1.1% of Cr, 0.02%-0.03% of Al, 0.04%-0.05% of Ti, 0.009%-0.014% of N, 0.01%-0.03% of V, less than or equal to 0.02% of Mo, less than or equal to 0.03% of Ni, less than or equal to 0.05% of Cu, less than or equal to 0.02% of Nb, less than or equal to 0.004% of Ca and less than or equal to 0.0003% of B. In addition, the invention further discloses a bar material prepared from the high-toughness narrow-hardenability belt 20CrMnTiH gear steel. The invention further discloses a preparation method of the high-toughness narrow-hardenability belt 20CrMnTiH gear steel. In addition, the invention also discloses a manufacturing method of the bar, which comprises the following steps: (1) smelting and casting; (2) heating; (3) forging or rolling; (4) quenching and tempering, wherein the austenitizing temperature of quenching is 840-1050 DEG C, and oil quenching is adopted after austenitizing; the tempering temperature is 180-220 DEG C, and air cooling or water cooling is carried out after tempering.

The invention relates to a skull coronal CT (computed tomography) scanning fixator which comprises a baseplate capable of being conveniently fixed at a CT operation table, a left side plate and a right side plate, which can act on bilateral buccal surfaces of a skull, are vertically arranged on the baseplate, and the fixator is characterized in that a lower jaw positioning groove is arranged on the baseplate between the left side plate and the right side plate; a forehead limiting elastic band for limiting the forehead of the skull of a patient is arranged at the front parts of the left side plate and the right side plate; and an occiput limiting elastic band for limiting the occiput of the skull of the patient is arranged at the back parts of the left side plate and the right side plate. The fixator can effectively comfortably assist the patient in lifting the skull upwards till the lower jaw is almost vertical to a scanning bed and fixed, thereby not only reducing the fatigue of keeping the skull raised upwards of the patient under the state without dependence for a long time, but also effectively solving the problem of CT image artifacts caused by involuntary movement of the skull of the patient. By using the CT scanning fixator, the smooth completion of CT scanning can be favored, and clear and accurate CT scanned images can be obtained, thereby having good application and popularization prospects.

The invention discloses low-narrow hardenability band 20CrMnTiH gear steel which comprises the following chemical elements in percentage by mass besides Fe: 0.17%-0.20% of C, 0.17%-0.25% of Si, 0.8%-0.85% of Mn, 1%-1.1% of Cr, 0.02%-0.03% of Al, 0.04%-0.05% of Ti, 0.009%-0.014% of N, less than or equal to 0.02% of Mo, less than or equal to 0.03% of Ni, less than or equal to 0.05% of Cu, less than or equal to 0.02% of Nb, less than or equal to 0.01% of V, less than or equal to 0.004% of Ca and less than or equal to 0.0003% of B. In addition, the invention further discloses a bar material prepared from the low narrow hardenability belt 20CrMnTiH gear steel. In addition, the invention also discloses a manufacturing method of the bar, which comprises the following steps: (1) smelting and casting; (2) heating; (3) forging or rolling; (4) quenching and tempering, wherein the austenitizing temperature of quenching is 840-1050 DEG C, and oil quenching is adopted after austenitizing; the tempering temperature is 180-220 DEG C, and air cooling or water cooling is carried out after tempering.

The invention discloses a multidirectional coordination type rotary one-way movable bridge support. The bridge support comprises an upper base plate, a middle base plate and a lower base plate; rotating blocks are arranged between the inner side of an upper base plate check block and the outer edge of the upper end of the lower base plate; the outer side surfaces of the rotating blocks are connected to the inner side wall of the upper base plate check block in a plane sliding mode; the inner side surfaces of the rotating blocks are connected to the outer edge of the upper end of the lower baseplate in a spherical sliding mode; the bottom surface of the rotating blocks are connected to horizontal rotating check blocks arranged on the two sides of the bottom of the upper base plate check block in a spherical sliding mode; and adjusting gaps for compensation of rotational displacement generated by the rotating blocks are reserved between the top surfaces of the rotating blocks and the inner wall of a notch of the upper base plate check block. According to the bridge support, all components can be in a surface contact stress state in the normal use process of the support, the stress concentration phenomenon caused by line-surface contact can be avoided, and therefore the service life can be remarkably prolonged on the premise that the safety of the support is achieved, the construction safety of a bridge can further be higher, the service life can be longer, the structure is simple, the manufacturing cost is low, installation is convenient and rapid, and good economical practicability and popularization prospect can be achieved.

The invention discloses a temperature / pressure-change heating heat exchanger unit. The temperature / pressure-change heating heat exchanger unit mainly consists of a temperature control valve, a plate heat exchanger, an expansion water tank, a water replenishment pump, a flow detecting device, a circulating pump, an outdoor temperature sensor and a control cabinet, wherein a primary side of the plate heat exchanger is respectively connected with a primary water supply pipe and a primary water return pipe; inlet water of a secondary side of the plate heat exchanger is connected by a secondary water return pipe after passing through the circulating pump; a heat metering device is arranged on a primary water supply pipe; the flow detecting device is mounted on a secondary water return pipe; a frequency converter 1, a frequency converter 2 and a touch screen are integrated and mounted in the control cabinet; and a remote communication interface is additionally arranged in the control cabinet. The temperature / pressure-change heating heat exchanger unit has the beneficial effects of possession of temperature / pressure-change heating energy saving comfortable effect, complete system configurations, perfect protection function, simple and direct operation, good heat supply use effect, high intelligent degree and achievement of unattended operation.

The invention discloses a method for constructing an anti-typhoon greenhouse. The method comprises the steps: firstly a greenhouse base is installed, the greenhouse base is formed by concrete prefabricated slabs in a splicing mode, the concrete prefabricated slabs are in long strip shapes, and a plurality of evenly-spaced preformed holes are formed in the length directions of the concrete prefabricated slabs; then, load-bearing rods of the greenhouse are installed, and the bottom ends of the load-bearing rods of the greenhouse are inserted into the preformed holes and are in wedge caulking through wedges. Compared with a traditional method for constructing the greenhouse, the method for constructing the anti-typhoon greenhouse has the advantages that due to the fact that the greenhouse base is formed by the concrete prefabricated slabs in the splicing mode, the weight of the concrete prefabricated slabs is quite heavy, the formed base can ensure that the greenhouse has stronger anti-typhoon capacity after the load-bearing rods are inserted into the preformed holes, the material cost for manufacturing one concrete prefabricated slab is quite small, the concrete prefabricated slabs are easily obtained, and therefore the method has excellent economical performance and popularization prospects.

The invention discloses a strain of auricularia auricula, which is named Li'er No.3 and belongs to the genera of auricularia auricula. The strain is preserved in China General Microbiological Culture Collection Center, wherein the preservation address is Chaoyang District of Beijing, Beichen West Rd., 1st yard, No.3, at Jul 5th, 2016, and the accession number is CGMCC No. 12525. The Li'er No.3 strain has the characters of solitary single-sheet fruiting body, moderate lug size, being free of root, being bowl-like or ear-like in shape, being grey in color of back side and black in abdomen surface when dried, being glossy, having significant color difference between the front and the back side, having round and complete edge of the lugs, and having non-obvious ribs and collaterals on the back side, and the like. The single sheet rate during growth of the auricularia auricular reaches more than 90%. Defects of poor resistance of "Xin Ke" and poor lug shapes in "916" are improved. The strain of auricularia auricula has excellent promotion prospect.