Cotton fertilizing and sowing combined machine and operation method

The invention provides a cotton fertilizing and sowing combined machine which comprises a main machine frame, a fertilizing mechanism and a plurality of combined operation units, the combined operation units are connected to the main machine frame in series in the width direction, and each combined operation unit comprises a frame body, a bulldozing plate, a film laying mechanism, a sowing mechanism and a drip irrigation tape laying mechanism; ploughing soil is leveled by a bulldozing plate, the leveled soil is covered with a film by a film laying mechanism, and the covering film is buried and covered with the film; the sowing mechanism is used for sowing on the soil covered with the film; the drip irrigation tape laying mechanism is used for burying a drip irrigation tape in soil, and the fertilizing mechanism is used for burying and applying a solid fertilizer. By arranging the bulldozing plate, the fertilizing mechanism, the film laying mechanism, the seeding mechanism and the drip irrigation ...

Method for detecting line welding alternate edge

Deep scarification intertillage weeding and fertilization integrated machine

The invention relates to a deep scarification intertillage weeding and fertilization integrated machine. The deep scarification intertillage weeding and fertilization integrated machine is characterized by being composed of a machine frame, a traction device, an anti-blocking device, a deep scarification intertillage weeding device, a self-locking device, an automatic resetting device, a depth control device and a layering fertilization device. Compared with the prior art, layering fertilization of crops can be performed according to different fertilizer requirements of crop growth periods. When encountering a hard barrier, a plough body can avoid the barrier, so that damage to the plough body is reduced; due to the fact that the plough body can automatically reset after passing by the barrier, the working efficiency is greatly improved.

Method for manufacturing small boats

The invention discloses a method for manufacturing small boats. The method includes firstly, manufacturing a boat mold, polishing an inner cavity of the mold, then coating epoxy resin on the inner cavity, curing the epoxy resin, and then polishing the inner cavity again; secondly, coating mold release agents on the polished inner cavity, spraying gel coat resin on the inner cavity and curing the gel coat resin by the aid of methyl ethyl ketone peroxide; thirdly, laying a layer of glass fabrics on the gel coat resin after the methyl ethyl ketone peroxide is sprayed on the gel coat resin, laying 3D (three-dimensional) braided fabrics uniformly filled with foamed plastic strips, and then laying two layers of glass fabrics on the 3D braided fabrics; fourthly, laying a flow guide net, erecting a vacuum auxiliary system, sealing the mold and enabling the vacuum degree of the inside of the mold to range from -0.05MPa to -0.15MPa; fifthly, leading prepared unsaturated resin and curing agent mixed ...

Big and small bead composite-free blasting bead filter stick and blasting bead implanting system and method of big and small bead composite-free blasting bead filter stick

The invention relates to a large and small bead composite-free blasting bead filter stick and a blasting bead implanting system and method thereof, and belongs to the field of tobacco production equipment. The first material bin and the second material bin are in butt joint with a first bead taking disc and a second bead taking disc respectively, bead taking convex teeth are evenly distributed on the first bead taking disc and the second bead taking disc in the outer circumferential direction, negative pressure bead taking holes are formed in the bead taking convex teeth, the first bead taking disc and the second bead taking disc are in butt joint with a bead planting disc, bead planting convex teeth are evenly distributed on the bead planting disc, and the negative pressure bead taking holes are formed in the negative pressure bead taking holes. The first bead taking disc, the second bead taking disc and the bead planting disc are all connected with motors, the first bead taking disc and ...

Method for fast switching channels

The invention provides a fast channel switching method, belonging to the digital TV field. In order to solve the problem of slow channel switching of TV programs in the prior art, the invention provides a method for switching channels rapidly, consisting of the following steps: an authorized control information generator sends a plurality of control bytes produced by a byte control generator to the generator of authorized managing information, which transmits all the control bytes to a set top box through the synchronizer with the same density; the set top box receives and stores all the control bytes; when switching channels, the set top box finds the control bytes corresponding to the turbulent flow of target channels from the stored control bytes, and then uses the control bytes to descramble the turbulent flow. Through the previous storage of all the control bytes of the turbulent flow in the set top box, the fast channel switching method greatly improves the channel switching speed ...

Preparation method of ginseng-monkshood-salvia miltiorrhiza freeze-dried oral preparation

The invention discloses a preparation method of a ginseng-monkshood-salvia miltiorrhiza freeze-dried oral preparation, and relates to a preparation method of an oral preparation, and the ginseng-monkshood-salvia miltiorrhiza freeze-dried oral preparation is used for solving the existing problems that common Western medicines in the existing market are high in side effect, traditional Chinese medicine injection is subjected to a certain restriction due to inconvenient use, and other dosage forms such as tablet and granule are slow to absorb. The preparation method comprises the following steps: I, preparing a red ginseng extracting solution; II, preparing a monkshood extracting solution; III, preparing a salvia miltiorrhiza extracting solution; IV, mixing the red ginseng extracting solution, the monkshood extracting solution and the salvia miltiorrhiza extracting solution, and freeze-drying a clear paste by virtue of a freeze-drying technology to obtain the ginseng-monkshood-salvia miltiorrhiza ...

Breed controlling means of aquarium fish

The utility model discloses a breed controlling means of aquarium fish, including light, bactericidal lamp, water pump, air pump, lighting lamp control switch, pump control switch, gas pump control system switch, timer, display, heating rod, water temperature sensor, temperature display screen and controller for to the timing switching of light, water pump and air pump, the self -heating of water, and the intellectuality is disinfected, adopt the utility model discloses can make and breed the automatic and function abundanceization of controlling means intelligence, practice thrift user's time cost, the user arranges more conveniently, has reduced the death rate of aquarium fish.

Production of trichodermin agricultural chemicals

Recombinant adenovirus and construction method thereof

The invention provides a recombinant adenovirus and a construction method thereof. The construction method comprises the following steps of: inserting swine fever virus E2 genes into a multiple cloning site Bg1 II and a Sa1 I enzyme cutting site on the downstream of a CMV (cytomegalovirus) promotor of the adenovirus; and inserting porcine reproductive and respiratory syndrome virus GP5 genes into enzyme cutting sites Kpn I and Not I on the downstream of the CMV promotor of the adenovirus. The problems of low expression yield and weak protection effect when the E2 and GP5 genes are fused and connected in series are solved. Only by once immune vaccination, a pig can obtain antibodies for a swine fever virus and a porcine reproductive and respiratory syndrome virus. The recombinant adenovirus is a nonreplicative virus and is not reproduced in a pig body. The phenomena of virus atavism and toxicity strengthening caused by long-term vaccination of an attenuated vaccine are avoided. Moreover, ...

Sulfonated polyaniline and a preparation method thereof

The invention relates to sulfonated polyaniline which is a block copolymer with a sulfonated aniline chain segment and an aniline chain segment and has good electrical conductivity and heat resistance, heat decomposition temperature more than 400 DEG C and electrical conductivity higher than or equal to 10<-1> S/cm. A stepwise polymerization method is used for preparing the sulfonated polyanilinewith the electrical conductivity and the heat resistance and comprises the following steps: preparing a sulfonated aniline prepolymer under an alkaline condition; and then copolymerizing the sulfonated aniline prepolymer and an aniline monomer to obtain the sulfonated polyaniline in a block structure under an acidic condition. The invention has easy material obtaining, simple synthesis technology,little environment pollution and easy industrialized production; and in addition, the sulfonated polyaniline can be melted and mixed with thermoplastic resin with good mechanical property and processable ...

Method for fast switching channels

The invention provides a fast channel switching method, belonging to the digital TV field. In order to solve the problem of slow channel switching of TV programs in the prior art, the invention provides a method for switching channels rapidly, consisting of the following steps: an authorized control information generator sends a plurality of control bytes produced by a byte control generator to the generator of authorized managing information, which transmits all the control bytes to a set top box through the synchronizer with the same density; the set top box receives and stores all the control bytes; when switching channels, the set top box finds the control bytes corresponding to the turbulent flow of target channels from the stored control bytes, and then uses the control bytes to descramble the turbulent flow. Through the previous storage of all the control bytes of the turbulent flow in the set top box, the fast channel switching method greatly improves the channel switching speed ...

Mould machine automatic control device is beaten to unginned cotton

The utility model relates to a mould machine automatic control device is beaten to unginned cotton mainly beats the mould and carries out automatic control stepping on to press, and through control relay KM1, KM2, KM4, KM5 and time relay KT1, KT2 and limit switch SQ1, SQ2's cooperation, control solenoid YA1 -YA4's action realizes playing partial the stepping on compressing cylinder (9) and step on the automatic control of the head work of motor (10) of marcing of mould to stepping on the pressure. Compared with the prior art, the utility model discloses automatic control beats stepping on of mould machine and presses and beat the die worker and do, only needs can operate alone very easily and makes the mould machine, can replace the manual work, especially can lighten intensity of labour, improvement work efficiency.

Sulfonated polyaniline and a preparation method thereof

The invention relates to sulfonated polyaniline which is a block copolymer with a sulfonated aniline chain segment and an aniline chain segment and has good electrical conductivity and heat resistance, heat decomposition temperature more than 400 DEG C and electrical conductivity higher than or equal to 10<-1> S/cm. A stepwise polymerization method is used for preparing the sulfonated polyaniline with the electrical conductivity and the heat resistance and comprises the following steps: preparing a sulfonated aniline prepolymer under an alkaline condition; and then copolymerizing the sulfonated aniline prepolymer and an aniline monomer to obtain the sulfonated polyaniline in a block structure under an acidic condition. The invention has easy material obtaining, simple synthesis technology, little environment pollution and easy industrialized production; and in addition, the sulfonated polyaniline can be melted and mixed with thermoplastic resin with good mechanical property and processable ...

Self resetting fuse operation time detector

The self-resetting fuse response time tester includes PCL-812 multifunctional card connected to EISA bus of computer mainboard, resistor R1, sampling resistor R2, current limiting resistor R3 and DPDT switch connected together. The tester has simple structure and convenient use, and is used in measuring the response time of self-resetting fuse precisely for user to select.

Method for improving operation efficiency and reliability of conditioned receiving system

The invention provides a method for improving the operation efficiency and the reliability of a conditional access system, belonging to the field of digital TV communication. In order to abate the problems of lower operation efficiency and poor reliability of the conditional access system of the digital TV in the prior art, the method provides the method of improving the operation efficiency and reliability of the conditional access system, consisting of the following steps: an event information scheduler obtains the corresponding relation of channels and program streams from an authorized control information generator and asks a receiving standard generator for receiving standards of each channel in a certain time period; then the receiving standards are arranged to be corresponding to the program streams and a certain amount of the receiving standards are sent to the authorized control information generator which generates an authorized control information packet including the receiving ...

Method for scheduling user authorization information

The invention provides the method of the authorized information of a multi-level scheduling user, belonging to the digital TV field. In order to solve the problems of unstable system, low performance and inflexibility caused by a precarious CAS system which adopts a database for storing the authorized information of the user. The invention provides the method of the multi-Level Scheduling user authorized information, consisting of the following steps: the authorized information of the user is stored in a database; the authorized information of the user is organized to generate authorized management information data to be stored in another database and stored in the hardware with conditional access to the system. With the authorized information stored through the multi-level scheduling, the invention improves the operation efficiency and the reliability of the CAS system so as to manage millions of users easily. Moreover, the coupling degree between the couplings of every level is low so ...

Wet dust removal system and method

The invention discloses a wet dust removal system and method. The system comprises a first deduster and a second deduster, wherein the first deduster is communicated with a nanometer foam machine, nanoscale foam groups are generated to be subjected to convection with smoke, so that physical and chemical reaction in the smoke are accelerated, an ideal dust removal effect is achieved, meanwhile, through the arrangement of the second deduster, acidic or alkaline impurities and other impurities in the smoke are further removed, and the pollution to the environment and the harm to human bodies caused by the smoke are reduced.

Special district seeder in soybean breeding experimental plot

The utility model relates to an experimental apparatus technical field of experimental plot seeding, in particular to special district seeder in soybean breeding experimental plot, including feeding box, seeding pipeline mechanism, seeding control mechanism, play magazine, ridge mechanism and frame mechanism, the feeding box is fixed in the upper portion of frame mechanism, goes out the magazine and is fixed in the lower part of frame mechanism, and seeding pipeline mechanism is fixed to be set up in the feeding box with on going out the braced frame between the magazine, just sows the upper end and feeding box intercommunication of pipeline mechanism, the lower extreme and the play magazine intercommunication of seeding pipeline mechanism, parallel braced frame of seeding control system and adjustable geocline are to in inserting seeding pipeline mechanism, seal that ridge mechanism is fixed to be set up in braced frame's rear end lower part, the utility model discloses a special district ...

Vibration subsoiler

The invention relates to a vibration subsoiler, which is characterized by comprising a frame, a traction device, a transmission device, a vibration deep scarification device and depth controlling devices. The traction device is arranged at the front of the frame, the transmission device comprises a power input shaft, a transmission shaft, a drive sprocket, a crankshaft, a driven sprocket, a drive connecting rod and a driven connecting rod, wherein the power input shaft is arranged at the front of the frame, the transmission shaft is arranged on the lower portion of the frame, the drive sprocket is arranged on the transmission shaft, the crankshaft is arranged in the middle of the frame, the driven sprocket and the drive connecting rod are respectively arranged on the crankshaft, and the driven connecting rod is arranged on the drive connecting rod; the vibration deep scarification is arranged at the back of the frame, the depth controlling devices are arranged on the bilateral sides of ...

Dark pine intertillage weeding fertilization all -in -one

The utility model relates to a dark pine intertillage weeding fertilization all -in -one, its characteristics lie in: by frame, draw gear, prevent that stifled device, dark pine intertillage weeding device, self -lock device, automatic re -setting device, depth control device and layering fertilizer injection unit constitute, compared with the prior art, the utility model, it is different to the chemical fertilizer demand period according to crop growth, can implement the crop layer by layer manuring. When meetting hard barrier, the barrier can be avoided to the plough body, consequently can reduce the damage of plough body to after the cut -through thing, the plough body can automatic re -setting, greatly increased work efficiency.

Ethyl hydrogen sulfate/density examination liquid preparation method and ethyl hydrogen sulfate/density examination liquid preparation apparatus

The invention belongs to the technical field of measurement testing. The ethyl hydrogen sulfate density examination liquid preparation method comprises raw material liquid constant-temperature and density test, component calculation, preparing, stabilizing, and evaluating, wherein a liquid dropping device is adopted to control the liquid dropping speed, a constant temperature groove having a cooling function is used to match the heat discharge and heat elimination rate, and the liquid temperature during the preparing process is controlled, such that the preparing efficiency and the system stability are significantly improved, and the transparency of the density examination liquid is good. According to the present invention, the preparation apparatus comprising a container having a stirring device, the constant temperature groove having the cooling function, and the liquid dropping device is provided, has characteristics of simple operation, easy control, working time saving, and good process ...

Method for measuring HPLC (High Performance Liquid Chromatography) fingerprint spectrum of

The invention relates to a method for determining the HPLC (High Performance Liquid Chromatography) fingerprint of a Guanxintai pill, aiming at solving the problems that the traditional Chinese medicine components of the existing Guanxintai pill preparation are complicated and the medicinal components are not clear. The determination method comprises the following steps: 1, grinding Guanxintai pills, adding a methanol solution as an extraction solvent, heating and refluxing, dropwise adding the methanol solution to the weight before heating and refluxing, and uniformly shaking to obtain a test solution; 2, taking salvianolic acid B as a reference substance, and adding a methanol solution to prepare a reference substance solution; 3, carrying out gradient elution by taking acetonitrile as a mobile phase A and a phosphoric acid solution with the volume concentration of 0.1% as a mobile phase B; and 4, respectively sucking the test solution and the reference solution and injecting into a liquid ...

Method for multi-stage scheduling for user authorization information

Method for improving operation efficiency and reliability of conditioned receiving system

The invention provides a method for improving the operation efficiency and the reliability of a conditional access system, belonging to the field of digital TV communication. In order to abate the problems of lower operation efficiency and poor reliability of the conditional access system of the digital TV in the prior art, the method provides the method of improving the operation efficiency and reliability of the conditional access system, consisting of the following steps: an event information scheduler obtains the corresponding relation of channels and program streams from an authorized control information generator and asks a receiving standard generator for receiving standards of each channel in a certain time period; then the receiving standards are arranged to be corresponding to the program streams and a certain amount of the receiving standards are sent to the authorized control information generator which generates an authorized control information packet including the receiving ...

Mould machine hydraulic control device is beaten to unginned cotton

The utility model relates to a mould machine hydraulic control device is beaten to unginned cotton, it beats mould and drawing of patterns two parts to contain to step on to press, step on to press and beat partial step on compressing cylinder (9) of mould, step on head march motor (10), hydro -cylinder (13) were opened and close to box lift cylinder (12) and back chamber door switching -over valve (6) are respectively through solenoid YA1 -YA8 control, among the hydraulic system, step on to press and beat one hydraulic oil pump (3) of mould and the sharing of drawing of patterns two parts, step on to press to beat and adopt meso position function " M " type tribit cross magenetic exchange valve (6) series connection between mould and the drawing of patterns system, step on to press and beat stepping on of mould part and press and be equipped with the hydraulic pressure bridge type of forming by buffering pressure valve (8) and 4 check valve (7) in the return circuit and cushion the valves ...

Tremella aurantialba basswood stock seeds and preparation method thereof

The invention discloses tremella aurantialba basswood stock seeds and a preparation method thereof. The tremella aurantialba basswood stock seeds are obtained by carrying out inoculated culture on a culture medium prepared from fine weed tree sawdust, wheat bran, sugar and gypsum as raw materials; and the survival rate of basswood cultivation of the tremella aurantialba basswood stock seeds is 90% or above. The preparation method comprises the steps of pretreatment and inoculated culture. According to the tremella aurantialba seeds obtained through inoculation culture, the survival rate of basswood cultivation reaches 90% or above, and the economic benefits of tremella aurantialba basswood cultivation are greatly improved; and the production period of the tremella aurantialba stock seeds is shortened, and the production cost is reduced.

Macromolecular conductive composite heat sensitive material and method for preparing same

The invention is high molecular conducting heat-sensitive material, whose components and mass ratios are: polyethylene with high density 56-62%, carbon black 36-42%, initiator 0.05-0.1%, maleic anhydride 1-2%. The chemical grafting method is used, which includes the following steps: neigh the polyethylene with high density, carbon black initiator and maleic anhydride in accordance with the components dispensation, mix them and in pour into Banbury mixer, mix for 12-18 minutes in 160-170deg.C, the get them out and press in mold. The invention produces the high molecular conducting heat-sensitive material by maleic anhydride grafting, its electric resistance in inside temperature is stable, has good performance of turning on and off, and has benefit for promoting development and application of PTC material.

Manufacturing method for light plastic packing boxes

The invention discloses a manufacturing method for light plastic packing boxes. The method includes: firstly, utilizing a light board to make a packing box body with two sides open; secondly, preheating the periphery of a bottom cover of the box body, coating the bottom cover with hot melt adhesive prior to continuous heating, and then rapidly combining the bottom cover on one opening of the packing box body to seal the opening; thirdly, after the hot melt adhesive is cooled to normal temperature, coating gap positions inside the packing box body with the hot melt adhesive; fourthly, fixedly mounting stainless steel seal edges on all ridges outside the packing box body, and hinging an end cover at the other opening, wherein the end cover is in seal fit with the packing box body when closed. The light board is composed of a middle core layer of a hexagonal honeycomb structure and surface layers, the surface layers are arranged on two side faces of the middle core layer, the middle core layer ...

Crushing roller

The utility model relates to a crushing roller, smash tooth, guard shield, pull out the excrement including cow dung and mention the traction frame, cow dung is smashed the tooth and is included grinding wheel and set up the sawtooth on grinding wheel that grinding wheel is nested on a radical axis, it is the grinding wheel outside that the guard shield both ends set up at the both sides edge, andincluding partly cladding of tooth was smashed cow dung to the guard shield, the guard shield forward position is equipped with pulled out the excrement tooth, pulls out excrement tooth and crisscross setting of the crushing tooth of cow dung, and traction frame one end is fixed on the guard shield, and the other end is pull by the four -wheel car. The utility model discloses an adding on herdingthe original 18 horsepowers of four -wheel tractor bases in family and establishing crushing roller, can break cow dung stone roller, tear to shreds, the as fertilizer sources can loosen the soil simultaneously ...