391results about How to "Low cost of improvement" patented technology

The invention discloses a method for biologically improving saline-alkali soil. The method includes the steps of 1, deep ploughing and deep tilling the saline-alkali soil and making the saline-alkali soil exposed under the sun, 2, digging wells to lower the underground water level, 3, constructing tall ridges, 4, adding biological modifiers and turning over the soil after the biological modifiers are evenly broadcasted to effectively increase organic matter and nutrients in the soil, loosen the soil, enrich microbial flora in the soil, increase activity of the soil, and neutralize saline and alkaline through some activated adsorption base ions in the modifiers, and 5, planting oats to absorb part of the base ions in the soil, convert the base ions into substances needed by growth of the oats and reduce the content of saline and alkaline of the soil. The method can be suitable for saline-alkali soil formed due to different factors, and the saline-alkali soil is improved through physical measures, water conservation measures, utilization of the biological modifiers and plantation of the oats. The method has the advantages that improvement economic benefits can be achieved early, operation is easy to conduct, promotional reproductively is high, improvement is sustainable, effects can be accumulated, in situ saline-alkali soil improvement can be achieved, and improvement cost is reduced.

The invention provides an electric energy meter capable of measuring residual currents. The electric energy meter comprises a shell, a wiring terminal base, a phase line, a null line, a relay, a phase line current sampling resistor, a residual current transformer and a circuit device. The relay, the phase line current sampling resistor and the residual current mutual inductor are all arranged in the shell. The phase line and the null line penetrate through the residual current mutual inductor. The circuit device comprises a voltage sampling module, a signal processing module, an A / D conversion module, an electric energy metering module, a single-chip microcomputer processing module, a relay control module, a communication module, an LCD display module, a button module and a power module. The electric energy meter can measure and record the residual currents in user lines in real time and has the functions of residual current over-limit warning and event recording. The electric energy meter only needs to be improved on the basis of an existing intelligent electric energy meter, is not high in improvement cost, does not affect the functions and the overall dimension of the existing electric energy meter and is convenient to popularize in large scale.

The invention discloses a method for improving saline-alkali soil. The method includes selecting saline-alkali soil improvement fertilizer comprising coal with not less than 40% of humic acid, organic farmyard manure, rhizobium manure and fulvic acid potassium; ploughing the soil and applying the saline-alkali soil improvement fertilizer; applying base fertilizer; irrigating the soil; soaking rice seeds in warm water until the seeds are cracked, sowing the seeds after water in the field evaporates and the soil layer is exposed, and irrigating the soil after the rice seeds take root; performing topdressing, and applying the saline-alkali soil improvement fertilizer and earing nourishing fertilizer according to seedling conditions, water quality and soil quality. The method has the advantages that salt-alkali resistant rice varieties are combined with the saline-alkali soil improvement fertilizer organically, the saline-alkali soil improvement fertilizer can meet nutrition requirements for rice growth, reasonable matching is achieved, raw materials used are from extensive minerals and industrial and agricultural waste, low cost and high pertinence are realized, improvement cost is reduced, and technical popularization and promotion are benefited.

The invention discloses a method for recovering vegetation on a strong-acid tailing waste land without soil. The method is characterized by comprising the following steps: A. performing early-stage preparations, and draining off water; B. changing the pH value of the land; C. culturing the fertility of the tailing waste land; D. screening and culturing plant varieties; and F. managing transplanted seedlings. The method has the advantages that by adopting the method for recovering the vegetation without soil, disturbance to the tailing land is reduced, and the purposes that water can be drained off, the influence of acid water to the vegetation can be alleviated, the heavy metals can be stabilized, and the living environment of plants is improved are achieved. In addition, according to the method, the cost is low, the effect taking is rapid, the effect is good and the operability is high.

The invention discloses a method for improving heavy metal-polluted soil, which comprises the steps of: (1) modifying the heavy metal-polluted soil; (2) adding soil conditioner into soil; and (3) covering the soil, evenly mixing, and balancing for 0-6 months. The method restrains the oxidation of matrix by reactions such as absorption, chelation and complexation, and the like, fixes the heavy metal ion, reduces the biological toxicity of the soil, and reduces the diffusion and the leakage of the heavy metal ion to periphery soil or water. The method has low investment cost, can not break the structure of the soil, and is easily preformed.

A network communication method includes: allocating a pseudo wire (PW) label and / or an Ethernet (ETH) label through a layer 2 label allocation protocol; and performing data communication according to the allocated PW label and / or the allocated ETH label. According to the embodiments of the present invention, the label is allocated through the layer 2 label allocation protocol, thus maintaining the node device as a layer 2 device, meanwhile implementing label allocation, and reducing the complexity and improvement cost of network access.

The invention provides a method and system for adjusting the brightness of a digital television displayer; in the method, a mobile terminal is used for classifying light intensity and establishing corresponding relationships between the grades of the light intensity and brightness values of a television; the method comprises the following steps: the mobile terminal collects the light intensity information of current environmental lighting and determines the grades of the light intensity of the current environmental lighting according to the collected light intensity information; and the mobile terminal finds out the corresponding brightness value of the television from the corresponding relationships according to the determined grades of the light intensity and transmits the found brightness value of the television to a digital television receiving terminal for carrying out brightness adjustment on the digital television displayer. According to the technical scheme, the intelligent adjustment of the mobile terminal on the digital television displayer is realized.

The invention discloses a method of utilizing an electrolytic manganese residue to improve red mud land. The method comprises the following steps: mainly utilizing the electrolytic manganese residue to treat red mud, neutralizing the alkali of the red mud with the acidity of the electrolytic manganese residue, treating the waste with processes of the waste against one another, regulating the pH value of the two wastes to a normal range suitable for plant growth at a low cost, adding expanded perlite with strong properties of absorption and adsorption, so as to increase the loose permeability and the moisture retention of the red mud land and increasing the draught resistant ability; adding an organic matter, a soil loosening agent, a microbial preparation, a nitrogen phosphorous and potassium element fertilizer, other element fertilizer and a micro additive, so as to purposefully regulate the plant to normally and generally grow on the red mud land. The method is adopted mainly to regulate proportion of various soil conditioners to process the growth state of various plants on the red mud land, so as to achieve the purpose that various plants can normally and generally grow on the red mud land.

The invention discloses a method for rapidly improving plough-layer soil of newly cultivated barren lands in southern hilly and mountainous regions, belonging to the technical field of soil improvement. The method comprises the steps of cultivating the barren lands for preparation; digging latticed fertilizing and planting ditches; preparing and applying mixtures including a fertilizer and a water-retaining agent; sowing seeds of ryegrass for the first time, cradling and covering; sowing seeds of ryegrass next year, cradling and covering; and the like. The method disclosed by the invention is definite in step and simple and feasible in process, after two years continuous integrated improvement, the soil bulk density is reduced, the void fraction is increased, the level of nutritive substances such as organic matters, total nitrogen, quick-acting nitrogen, phosphorus and potassium is improved obviously, the plough-layer soil can reach a medium fertility level, and normal agricultural utilization can be carried out. The method can be popularized and applied in newly cultivated barren lands in southern hilly and mountainous regions of China.

The invention discloses a method of vegetation restoration of a red soil eroded degraded site, which comprises: firstly screening plant varieties, including comprehensive analysis on restoration vegetation species and planting modes of different red soil eroded sites in south China and screening red soil restoration species of different granite red soil eroded sites, secondly constructing planting modes, including a water conservation grass planting mode which is a mixed mode of arbor shrub grasses in the extremely highly red soil eroded site, a near-nature reforming mode of runtish pine trees in the highly red soil eroded site, and a grass mulching mode of economic forest in the slightly red soil eroded site, and thirdly monitoring and estimating growth condition and water-soil conservation of constructed vegetational communities. The method is feasible and simple in operation, improves the eroded degraded red soil, reduces water and soil loss, enhances the water conservation function, improves the suitability of the red soil to plant growth, highly efficiently restores vegetation in the degraded red soil area, and promotes quick restoration of the vegetation.

The invention discloses a tension control device for fiber tows. The tension control device comprises a first positioning roller, a second positioning roller, a tension roller, a guide device, a detection device, a controller and a motor speed regulator, wherein the guide device is used for guiding the movement of the tension roller; the detection device is used for detecting position change of the tension roller; the tension roller is positioned in a region between the first positioning roller and the second positioning roller; the axes of the tension roller, the first positioning roller andthe second positioning roller are parallel to one another; the tension roller is connected with the guide device; the detection device is used for feeding detection information of position change of the tension roller to the controller; and the controller is used for controlling the motor speed regulator to regulate the speed of a driving roller motor. By adopting the tension control device, the walking tension of carbon fiber tows can be regulated and controlled effectively, and carbon fibers with uniform and consistent quality can be produced; and the tension control device is suitable for large-scale industrial production, and has very good economic benefit and very wide application prospect.

The invention relates to a desert soil amendment and a method for improving desert soil. The amendment is a vegetable gum powder. The improving method is as follows: sandy soil in the desert is grinded by using a grinding machine in order that the sandy soil with a particle size of less than 0.074mm accounts for over 80wt%; then the desert soil is improved by one of the following two steps: step one, the amendment with a ratio of 100+ / -10kg amendment to the sandy soil per ton is mixed into the grinded sandy soil to obtain a mixture, the mixture is spread over the desert surface to be improved, and then the spreading layer is uniformly wet by water; step two, the grinded sandy soil is spread over the desert surface to be improved, an amendment solution is prepared, and the amendment solution is uniformly sprayed onto the spreading layer for penetrating the amendment solution into the spreading layer. The method has the advantages of no pollution to the environment, low good-cost and high efficiency, solves the problems of flows of sand dunes, sandy soil flying upwards with storms and low survival rates of sandy vegetation in the desert, and is suitable for a large area reconstruction of the desert.

The invention relates to the field of agricultural machinery, in particular to a device for automatically adjusting and balancing tractor rear-suspension through electric control. The device comprises a controller, a parameter input unit used for inputting preset angle values into the controller, a lifting pull rod, a first traction pull rod, a second traction pull rod, a first lifting arm, a second lifting arm, a vehicle body, an electromagnetic directional valve, a horizontal sensor, an oil cylinder and an oil cylinder length sensor, the horizontal sensor is installed in the middle of a rear axle of the vehicle body, the controller controls the oil cylinder to extend and contract by controlling the electromagnetic directional valve, the first traction pull rod and the second traction pull rod are arranged between an agricultural implement and the vehicle body in a symmetrical mode, one end of the oil cylinder is hinged to the second traction pull rod, and the other end of the oil cylinder is hinged to the second lifting arm; the oil cylinder length sensor is installed on the oil cylinder. By means of the device, various agricultural implements can be adapted to travelling on rugged terrain, the reaction is flexible, existing tractor rear suspension needs no great modification, the modification cost is low, and the application scope is wide.

The invention relates to the technical field of lithium ion battery preparation, in particular to a break-resistant high-energy-density lithium ion battery positive plate and a preparation method. The break-resistant high-energy-density lithium ion battery positive plate comprises a first positive material layer, an aluminum foil and a second positive material layer from top to bottom, an empty aluminum foil part is arranged on the surface of the aluminum foil, a positive lug is welded at the empty aluminum foil part, a break-resistant adhesive is adhered on the surface of the lower half part of the empty aluminum foil part, the positive lug comprises a cap welding part, a middle part welding part and a tail part from top to bottom, the tail part is adhered on the surface of the break-resistant adhesive, the middle part welding part is arranged at the middle part of the empty aluminum foil part, and the cap welding part of the positive lug extends out of the upper end of the empty aluminum foil part. During preparation, the break-resistant adhesive is adhered on the empty aluminum foil part coated with a positive material, the positive lug wound with winding adhesive is welded, and then a layer of electrode lug adhesive is respectively adhered on parts, located on the two surfaces of the positive plate, of the empty aluminum foil part. The positive plate has a simple structure and good break-resistant effect, and can support the use of a lithium ion battery with high volume energy density.

The invention belongs to the technical field of non-linear optical imaging and particularly relates to an excited Raman spectrum imaging system based on a fast scanning optical path. A galvanometer scanning unit capable of quickly generating optical path delaying and the excited Raman spectrum imaging system are combined together, and the excited Raman spectrum imaging system based on the fast scanning optical path is simple in structure, low in modification cost and easy to implement. Since the excited Raman spectrum imaging system can quickly generate the optical path delaying required by a spectral focusing method, excited Raman spectrums of a sample can be quickly collected, the spectrums collected many times can be averaged, so that the signal-to-noise ratio can be greatly improved, and thus the detection sensitivity is improved; target objects of various ingredients are detected in real time; and when Raman spectrums of two target objects in a measured sample overlap (such as lipid and protein), spectral errors caused by movement of the sample are eliminated. According to the system, the excited Raman spectrums can be quickly collected, and simultaneous imaging can be performed according to multiple Raman vibrational peaks.

The invention discloses an automatic calibration method for reconstructing voxel sizes of a cone beam 3D-CT scanning system. The method comprises utilizing diameter information of DR projection of spherical target bodies under different stroke distances along an X axis, using a least squares method for regression of a stroke-voxel size relationship V=b+kD under different imaging positions, and then embedding the V=b+kD in an automatic calibration module of the cone beam 3D-CT scanning system. When the cone beam 3D-CT scanning system operates, the calibration module automatically calculates exact values of the voxel sizes according to different scanning positions, thereby ensuring accuracy of data analysis and characteristic measurement based on 3D-CT images. The calibration method prevents difficulties of large difficulty in calculating a projective geometry amplification ratio and low precision existing in present calibration method, does not need to calibrate standard components after a CT scanning, and has advantages of simple operation, high precision and high automatic degree.

The invention discloses a method for improving and greening natural saline soil. The method comprises the following steps: (1), concealed conduits are laid in an experimental field at a depth of 60 cm at intervals of 5 m, the soil is leveled, the field is divided into small areas each of which is 5 m in width and 10 m in length, and field ridges which are 0.5 m in height and 0.5 m in width are arranged between the small areas for preventing side leakage; and before the rainy season, each small area is irrigated with saline water which contains 3 to 10 grams of salt per liter for twice in a manner that the use amount is 1000 to 1500 m<3> / hm<2>; (2), the soil is deeply turned, and meanwhile corn straws with 50 to 150 m<3> / hm<2> are added; (3), ameliorant I or ameliorant II with the use amount of 5000 to 9000 kg / hm<2> is applied after each small area is plowed; and (4), natural rainfall in the rainy season is utilized to wash off the soil, and the change of physicochemical properties of the soil is measured. The experimental results show that the method provided by the invention has the following advantages: harmful salinity in the soil can be reduced quickly; emergency of alkalization in the desalination process of soil can be avoided; greening plants can be planted and survive; physical properties of soil can be effectively improved; soil bulk density can be reduced; total porosity and final infiltration rate of soil can be increased obviously; and a favorable soil environment can be provided for greening plants to grow better for a long term.

The invention relates to a dealkalized wet desulfurization waste fertilizer which is prepared from power plant wet desulfurization waste-desulfurization gypsum, acid-soluble chitosan, chitosan oligosaccharide, fertilizer substances and assistants. The preparation method comprises the following steps of: respectively preparing acid soluble chitosan, chitosan oligosaccharide, fertilizer substances,assistants and other additives; and proportionally mixing the power plant desulfurization gypsum with the additives, drying the mixture, pulverizing, and filtering with a 200-mesh screen to obtain the dealkalized fertilizer. The invention rationally utilizes the power plant desulfurization waste, introduces organic substances, cooperates with the microbial action to enhance the self remediation effect of soil on the premise of ensuring fertilizer efficiency, phosphorization and water retention, and has obvious effects on improved utilization of saline alkali soil.

The invention discloses a sponge soil structure with high water retaining and water storage properties. The structure is composed at least of a buffer layer, a water storage layer and a water retaining layer; the buffer layer is located at the bottom of the structure, the buffer layer is filled with a first filler, the first filler is formed by rubble and coal gangue, and the interior of the buffer layer is provided with a water discharging pipe; the water storage layer is located on the buffer layer, the water storage layer is filled with a second filler, the second filler is stirred matter of an agricultural waste compost substrate and soil, and the agricultural waste compost substrate comprises corn and straw stalks, and sludge in urban sewage plants; and the water retaining layer is located on the water storage layer, the water retaining layer is filled with a third filler, and the third filler is soil to which a water-retaining agent is added. The structure can repair and improve degraded and polluted soil, especially soil in arid areas, air permeability and water holding capacity of improved soil are greatly improved, soil irrigation in a later period can be effectively reduced, and water resource high-efficiency utilization is realized. The structure and materials are easy to obtain, and the structure has extremely high application value in improvement aspects of the degraded and polluted soil.

The invention discloses a magnetized CCP source driven by RF and DC mixedly. The magnetized CCP source comprises a plasma discharge cavity, a gas inlet, a gas outlet, a first pole plate, a second pole plate, a substrate, a DC source, an RF power supply and a magnetic field generator, the first and second pole plates are arranged in the plasma discharge cavity in parallel, one end of the DC power supply is connected to the first pole plate, the other end of the DC power supply is grounded, one end of the RF power supply is connected to the second pole plate, the other end of the RF power supply is grounded, the substrate is arranged on the second pole plate and positioned in the surface opposite to the first pole plate, the gas inlet is arranged in one side of the plasma discharge cavity, the gas outlet is arranged in the other side of the plasma discharge cavity, the magnetic field generator is arranged outside the plasma discharge cavity, and a magnetic field generated by the magnetic field generator is parallel with the first pole plate and the second pole plate. Due to influence of the magnetic field, high-energy secondary electrons and thermions are limited in a main plasma area, the ionization degree is improved, and the plasma density is increased greatly.

This invention discloses a method for setting up communication service connection in a communication system including: A, a communication terminal initiates an access request carrying an ID of the communication service kind, B, an applied server receives the access request to determine the communication service kind based on the ID carried by the access request, C, setting up communication service connection corresponding to the determined service kind in the communication system.

The invention relates to a method for ecologically restoring pits. The method is used for vegetation restoration by adopting a combination method of foreign soil greening and palisades spray seeding on slope toe platforms, improves the crumble structure and the smell of sludge, reduces the quantity of pathogenic bacteria and parasitic ova, and improves the available contents of nutrient indexes comprising N, P, K and the like by utilizing the organic fertilizer features of urban sludge per se, medicine dregs, agricultural wastes and the like through fertilizer composting so that the fertilizers are more beneficial to plant adsorption. The method ensures that a great amount of urban sludge is effectively handled, can be also used for improving the pits having no soil substrates for vegetation growth into soil suitable for reclamation, and is a good method which has the advantages of low improving cost, waste reclamation, simple and easy enforcement and effectiveness and can create huge environmental benefits, economic benefits and social benefits.

The invention discloses a remote control system and a mobile terminal and belongs to the technical field of remote control over televisions. The remote control system comprises an image shooting unit, a display unit, a touch screen unit, a storage unit, a processing unit and a communication unit, wherein the image shooting unit is used for acquiring a display image of an intelligent display device, the display unit is connected with the image shooting unit and used for displaying a shot image, the touch screen unit is connected with the display unit and used for acquiring input operation, the storage unit is used for saving a touch control interface template and a control command corresponding to preset operation, the processing unit is connected with the image shooting unit, the touch screen unit and the storage unit and used for obtaining the touch control interface template according to the display image and obtaining a corresponding control command according to the touch control interface template and user operation, and the communication unit is connected with the processing unit and the intelligent display device and used for sending the control command to the intelligent display device. The mobile terminal comprises the remote control system. The remote control system and the mobile terminal have the advantages that the remote control process is simplified, remote control over the televisions can be achieved, and the improvement cost is quite low.

The invention relates to a coastal saline-alkali soil improving method and belongs to the technical field of saline-alkali soil improvement. The method comprises the following steps that 1, a drainage ditch is built; 2, soil tillage is conducted; 3, drip washing and salt elimination are conducted; 4, the third step is repeated until the salinity and alkalinity are lowered to the specialized range; 5, resin is poured into saline-alkali soil to form a salt prevention layer; 6, the bottom of the drainage ditch is filled with filling materials; 7, soil conditioner and organic fertilizer are applied to the soil. According to the coastal saline-alkali soil improving method, firstly a drainage system is built, soil tillage is conducted, then the tilled soil is subjected to drip washing, after drip washing is conducted repeatedly, the salinity and alkalinity of the soil are lowered quickly, and the method accords with the growth of general plants; due to the fact that fertilizer in the soil is also taken away at the same time of drip washing, the soil is poorer and easier to harden, and therefore, complex fertilizer operation such as application of biological fertilizer is also conducted after drip washing on the soil, so that the fertility of the soil is improved quickly, and the method is suitable for the growth of plants.

The invention belongs to the technical field of nonlinear optical imaging, and relates to a bicolor stimulated raman scattering imaging system based on bi-channel orthogonal detection. With skillful combination of the spectrum focusing method and bi-channel orthogonal output of a lock-phase amplifier, the light path is simple in design, and the bicolor stimulated raman scattering imaging system is low in modification cost, and stable as adjustment of any photoelectric devices is not needed after optimization. The system can realize that fat and protein can be imaged by double spectrum in real time, and image information can be provided in real time for pathological examination; spectrum errors caused by sample moving are eliminated, and technical support is provided for living body and dynamic detection. For spectral imaging of the samples containing various components or imaging of large-area samples, imaging speed can be increased by more than 2 times. The bicolor stimulated raman scattering imaging system can greatly promote clinical application of the stimulated raman imaging technology.

The invention discloses a control method of robot intelligent welding. The method sequentially comprises the following steps that image marking is carried out on a welding point of a part to be welded; an image recognition system is built, and the image mark of the welding point is recorded into the image recognition system; the image recognition system is matched with a welding robot; unification and standardization are carried out on the image recognition system and a three-axis coordinate system inside the welding robot; the part to be welded is placed to a welding platform of the welding robot; the image recognition system and the welding robot are started; the image recognition system detects the image mark, the same as the recorded mark, on the part to be detected, and a three-dimensional coordinate of the part to be detected is obtained; the welding robot obtains a three-dimensional coordinate of a welding gun on a welding arm; the three-dimensional coordinate of the obtained image mark is compared with the three-dimensional coordinate of the welding gun, and vector operation is carried out; and a mechanical arm is controlled to move according to a vector operation result. The control method has the advantages that the improvement cost is low, improvement can be directly carried out on existing equipment, a self-inspection function is achieved, and working stability is high.

A method for improving reliability of LLC resonant converter and related device can obtain the intrinsic parameter information of the LLC resonant converter and the parameter information of the current load condition of the LLC resonant converter. According to the intrinsic parameter information, the parameter information of the current load condition of the LLC resonant converter and the workingcharacteristic information of the LLC resonant converter which is pre-stored in advance, the LLC resonant converter is determined to operate at the lowest operating frequency value of the ZVS region.If the minimum value of the value range of the operating frequency of the currently set LLC resonant converter is determined to be smaller than the lowest operating frequency value, the minimum valueof the value range of the operating frequency is adjusted to be not lower than the lowest operating frequency value. That is to say, according to the load condition, the minimum value of the operatingfrequency of the LLC resonant converter can be adjusted in real time. It is ensured that the LLC resonant converter always operates in ZVS mode. The reliability of the LLC resonant converter is effectively improved.

The invention discloses a method for improving alkaline soil. The method is characterized by comprising the following steps of: loosening soil and porphyrizing the soil; and adding composted sheep manure and fungus dreg into the soil and mixing uniformly, wherein the volume ratio of the soil to the composted sheep manure to the fungus dreg is (5-10):(3-2):1; the composted sheep manure is sheep manure which is composted and fermented; the organic matter content of the composted sheep manure is more than or equal to 30 percent; the water content of the composted sheep manure is less than or equal to 30 percent; and the fungus dreg is waste after mushroom is planted agriculturally, is abundant in phosphorus and belongs to organic phosphate fertilizer. In the implementation process, raw materials can be obtained from the local resources, so that improvement cost is reduced, waste of husbandry is utilized effectively and the problem of environmental pollution caused by the waste of husbandry is solved. By the method, the pH value of the soil is effectively reduced and the survival rate of green plants is increased. The method is very easy to operate and worthy of popularizing.

The invention discloses a signal modulation method, an execution device, a channelization method and a processing system. The process of the signal modulation method comprises the following steps: after carrying out interleaved filtering on signal optical combs, carrying out modulation and filtering on microwave signals based on two paths of optical signals respectively, and then carrying out combination processing. According to the channelization method, coherent signal light and local oscillation light are generated through a light source, a signal optical comb and a local oscillation optical comb are generated on the basis of the coherent signal light and the local oscillation light respectively, a combined signal is obtained through the signal modulation method, and after the combined signal and the local oscillation optical comb are combined, channelization processing based on coherent beat difference is carried out. The system comprises a coherent light generation module, a signal light comb generation module, a local oscillation light comb generation module, an overlapping signal processing device, a channel separation module and a coherent processing module. The upper limit of the working frequency of the microwave signal can be widened to two times of the original working frequency.

The invention discloses a method for improving saline-alkali soil texture through microbial straw fermentation. The method comprises the following steps that 1, saline-alkali soil is excavated to establish microbial fermentation pit channels; 2, the pit channels are covered with straw and microbial flora; 3, saline-alkali 'removal' treatment and complete coverage of the saline-alkali soil are performed; 4, plant root systems are improved. By adopting the method for improving saline-alkali soil, the ecological environment of a mud flat can be improved, and the utilization rate of straw turnover is greatly improved.