732 results about "Ground temperature" patented technology

In this disclosure, we have the following examples and teachings: A geothermal heating and or cooling system is introduced here which is deriving cooled or heated liquid via existing infrastructure of water pipe system in use for the houses and buildings, e.g. from the city water system or pipe network, or from the well water (or lake or river or sea or ocean or the like), piped or channeled to the buildings, through pipes or conduits or channels or closed enclosures. The system derives cooled liquid from existing underground infrastructure, including or for example, below-ground water pipes. The system gains a temperature advantage from the geothermal ground temperature, which remains roughly constant throughout the year in most regions. The system uses (e.g.) a storage tank to contain a working fluid and store thermal energy. In one example, multiple chambers and / or tanks are used for water heaters or coolers, with different connection and flow mechanisms. Other examples and designs are also discussed and shown here.

The invention relates to a water-soluble plant growth nutrient solution and a preparation method. In the plant growth nutrient solution, the content of small molecular weight water-soluble chitosan accounts for 8-120g / L, the sum of the content of nitrogen, phosphorus and potassium is larger than or equal to 60g / L, the sum of the content of medium trace elements accounts for 3-30g / L, the content of organic matter accounts for 30-200g / L, the content of plant growth regulator accounts for 0.01-5g / L, and the content of spread penetrating agents is larger than or equal to 0.2g / L; the small molecular weight water-soluble chitosan is obtained through the preparation steps that chitosan is firstly subjected to alkalization of strong base, then subjected to carboxyl chemical modification, degraded through strong oxidant after carboxyl chemical modification and finally neutralized through acid. The water-soluble plant growth nutrient solution integrates the effects of nutritional complement, growth promotion, antibiosis, virus resistance, stress tolerance and the like and has multiple functions and effects of improving soil, preventing hardening, increasing ground temperature, resisting to disease, being tolerant to stress, resisting to continuous cropping, supplementing nutrition rapidly, raising the yield and improving fruit quality and the like.

The invention discloses a high-yield Shanhua-15 peanut precise-cultivation method. The method comprises the following steps such as field selection, soil preparation, fertilization, seed treatment and sowing and specifically comprises, on the basis of sufficient soil preparation and base fertilizer application, ditching three fertilizing furrows on every ridges during ridging, which include one in the middle and the other two on both sides, and the depth of the furrows is 10-15 cm; applying biological organic insect-prevention fertilizer inside the furrows, performing full irrigation and then soil covering on the furrows, and sowing 2 seeds for each hole between every two fertilizing furrows with a spacing of 15-17 cm; performing film mulching after the sowing. The high-yield Shanhua-15 peanut precise-cultivation method has the advantages of improving the ground temperature inside the sowing ridges, enhancing the fertility of soil and increasing the organic matter content in the soil.

A heat transfer fluid can be cooled using the atmospheric thermal lapse rate. The heat transfer fluid can be ascended to a predetermined altitude above ground level where a temperature of the atmosphere is less than a temperature at the ground level. The heat transfer fluid can be cooled to a predetermined temperature by heat exchange between the heat transfer fluid and the atmosphere. The heat transfer fluid can then be descended to ground level while inhibiting heat transfer with the atmosphere tending to warm the cooled fluid.

Theinvention discloses a permeable concrete. The permeable concrete is prepared from the following components in parts by weight: 1500-1700 parts of coarse aggregate, 300-550 parts of cement, 90-120 parts of water, 30-80 parts of admixture, 50-150 parts of mesoporous material, and 150-220 parts of reinforced fiber. The permeable concrete has the following advantages and effects: first, the mesoporous material, reinforced fiber and cement in the permeable concrete are mixed and then form an adhesive layer in the coarse aggregate particles, the reinforced fiber in the adhesive layer is connected through the mesoporous material so as to form a mesh structure, so that the strength of the permeable concrete is improved; second, due to the mesh structure in the adhesive layer on the surface of the coarse aggregate particle, the permeable concrete has higher mechanical property at high temperature, and the high temperature resistance of the permeable concrete is improved; and third, the coarse aggregate is of a single grain level, so that the permeable concrete has excellent permeability, has ecological functions of discharging water, reducing noise and adjusting ground temperature and humidity, protects the environment, and achieves the effect of good permeability, environment protection, high strength, high temperature resistance, and wide application range.

The invention discloses a biodegradable liquid agricultural film, and relates to a liquid ground film. The invention aims at solving the problems that the current liquid ground film contains a great amount of petrol derivatives, is not easy to be degraded, can harden soil and generate toxicity after a long term application, and that the raw material resource is limited and the cost is comparatively high. The liquid agricultural film of the invention is made from 10 portions to 50 portions of plant straw, more than 0 portion to 30 portions of humic acid, 30 portions to 70 portions of water, 3 portions to 15 portions of film-forming agent, 0.5 portion to 1 portion of surfactant, more than 0 portion to 20 portions of fertilizer and more than 0 portion to 20 portions of stabilizer by weight. The liquid agricultural film of the invention can be made by the spraying of ordinary sprayers, thus saving labor, time and energy and avoiding the operations of seedling placing and waste film collection. After 2 months to 3 months, the agricultural film starts to be degraded into organic fertilizer of humic acid and the final degradation product is carbon dioxide and water. The agricultural film can be complexed with fertilizers and pesticide to prolong the fertilization effect and drug effect. The ground temperature can be increased by 1 DEG C to 6 DEG C and the crop output can be increased by 6 percent to 50 percent.

The invention discloses a natural planting method of a mushroom, solving the problems of low quality and easiness of manual pollution because the traditional mushroom planting technology is limited in the room. The natural planting method comprises the following steps of: 1, culturing a strain: separating a field-planted sporocarp to obtain a patent seed, culturing the patent seed according to the conventional expanding propagation method, continuously culturing a breeder seed to obtain a planting strain; 2, culturing a mycelium; 3, selecting a natural environment for planting: selecting an original forest, a secondary forest and an artificial forest with the ground temperature of 4-15 DEG C, the air humidity of 42-88 percent, the soil pH value of 6-7 and the forest land and grassland canopy density of 0.3-0.7; and 4, managing fruiting. The mushroom is cultured and planted by using the natural environment, and the mushroom sporocarp grows and develops under a natural and wild condition to ensure that the growth environment of the mushroom is more excellent and the product quality is better.

The invention discloses a compound fertilizer special for flue-cured tobacco, which belongs to the field of fertilizers. The compound fertilizer comprises the following components in percentage by mass: 31.34-32.40 percent of organic substance, 64.46-65.34 percent of inorganic fertilizer and 2.93-3.88 percent of trace element, wherein the organic substance comprises four kinds of farm fertilizer,such as chicken manure, pig manure, cow manure and oil cake. The compound fertilizer is prepared by fermenting, drying and pulverizing treatment. The compound fertilizer which is suitable for the flue-cured tobacco variety is researched according to the fertilizer demanding rule of cigarette 103 in the flue-cured tobacco variety represented in the Luzhou cigarette area; on one hand, the tobacco leaf yield can be increased and the tobacco leaf quality is improved, the income is increased and the production investment can be reduced; on the other hand, the pollution of fertilizer loss to the environment can be reduced. After the organic and inorganic compound fertilizer is applied to the soil, beneficial microorganisms in the soil can be rapidly activated and bred, nutrient substances unabsorbed by the flue-cured tobacco are changed into absorbable nutrient substances, and the fertilizer effect is durable; meanwhile, the invention has the effects of improving soil ground temperature andsoil and increasing both production and income of the tobacco.

The invention provides an ecological environment remote sensing monitoring method. The method is used for monitoring ecological environment of a monitor area comprising a water body. The method comprises steps of S1, receiving and processing remote sensing image data of the ecological environment monitor area, and acquiring processed remote sensing data; S2, creating a water quality parameter inverse model, and inputting remote sensing data of step S1 into the model, and calculating water quality index of the monitor area; S3, calculating four remote sensing characteristic parameters of the monitor area: vegetation index, bare earth index, humidity index and ground temperature; and S4, creating an ecological environment comprehensive evaluation model of a water containing body by using a main component analysis method, and inputting five remote sensing characteristic parameters of steps S2 and S3 into the ecological environment comprehensive evaluation model of the water containing body, so as to monitor the ecological environment of the monitor area. In the method, the ecological environment is monitored by using remote sensing images, so that human intervention is prevented, andthe ecological environment is monitored more effectively and accurately.

The invention relates to a drip irrigation under a film of a fruit tree and root field microenvironment regulation and controlling integrated method. The method comrpsies: firstly opening a regulation and control delve on the anterior limb projected on the fruit tree canopy ground, laying a seeding raising film on the lateral surface and the bottom part of the regulation and controlling delve, and placing filling materials on the seeding raising film; then disposing a drip irrigation pipe along the fruit tree row according to duplex tubes or three tubes; and laying the ground film along both sides of the tree row, covering the drip irrigation pipe and the regulation and controlling delve, and compacting with soil. Through the invention, the water and fertilizer integration drip irrigated under the film, watering and manuring automation as well as the water and fertilizer slow release and growth control and flower promotion regulated and controlled at the root field microenvironment are combined together, the root system range of the fruit tree is controlled at a certain volume, the nutrient is released in the delve through regulating and controlling the soil moisture percentage, ground temperature, fertilizer and the like of the root field, the growing development of hair root is promoted, vegetative growth and reproductive growth process above the ground part is regulated, and the hair root is regulated and controlled within the range of the delve to reach the function of coronal controlling and flower promotion. The method is simple, practical, economic and reasonable, and is a fruit tree root field microenvironment regulation and controlling integrated method with ecological environment protection and water and fertilizer conservation.

The invention discloses a high ground temperature tunnel cooling heat dissipation and heat energy conversion apparatus, comprising a cold water circulating cooling apparatus, a thermoelectric generation module and an accumulator electric set. The thermoelectric generation module comprises a thermoelectric generation cold end, a thermoelectric generation hot end, a heat insulation material, a lead, silicon semiconductors, germanium semiconductors and flow deflectors. The thermoelectric generation module is arranged between a cold water tank and a hot water tank; the thermoelectric generation cold end is in contact with the cold water tank; the thermoelectric generation hot end is in contact with the hot water tank; the heat insulation material is filled between the thermoelectric generation cold end and the thermoelectric generation hot end; the silicon semiconductors and the germanium semiconductors are in connection with the flow deflectors; cold water in a tunnel circulates in a pipeline to discharge high temperature heat quantity, thereby reducing the tunnel inner high ground temperature influence to a tunnel structure and the safety; cold water is changed into water with heat quantity, and enters the hot water tank; under the temperature difference effect of the cold water tank and the hot water tank on two sides, the thermoelectric generation module generates electric energy; the electric energy is stored in an accumulator set by employing the lead to supply power for an electric device.

The invention discloses an air conditioner control system and a control method. The air conditioner control system comprises a plurality of human body induction sensors in different directions for detecting the positions of people in 360 degrees, and human body induction sensors are matched with a plurality of independent drive swinging blades to intelligently supply air for people. Besides the normal functions of the general air conditioner, the air conditioner can enter an intelligent human body induction control mode, the air conditioner automatically regulates the refrigerating / heating air direction according to human body induction and ground temperature induction signals so as to make the human body feel most comfortable in the environment and achieve man-machine interaction; the air conditioner control system is convenient and easy to control, is convenient to mount, is low in cost, is economical, and enables the user to enjoy the high quality of life.

The invention relates to a novel geothermal energy solar central air conditioner system and belongs to the technical field of central air conditioning systems, in particular to a high-efficient and energy-saving device for refrigerating or supplying heat for a green environmental protection area. The device comprises a solar thermal collector, a hot water storage tank, a water tank valve, a ground tube valve, a circulating water pump, a ground tube heat collecting system, a heat exchanger, and a floor radiation or fan coil. A ground source heat pump uses energy of normal-temperature soil on shallow ground or ground temperature in water source as a low-grade heat energy resource. The system is suitable for houses and commercial buildings, and is the energy-saving technology with sustainable development. The system realizes heat transmission to ground heat sources by using flowing of a cyclic medium in a closed ground pipe. The system adopts solar energy as auxiliary heat sources. The solar thermal collector is preferentially used for colleting heat when sunshine is sufficient. The heat pump system can be designed with smaller load, and thus, the initial investment of the ground source heat pump can be greatly reduced.

The invention relates to a biogas residue fiber mulch film and a manufacturing method thereof, which belong to the technologies of protective cultivation biomass materials of paddy and upland crops. The fiber mulch film consists of biogas residue fibers, plant fibers and an environment-friendly functional auxiliary agent, wherein the biogas residue fibers account for 50-90%, the plant fibers account for 10-50%, and the sum of the two types of the fibers is 100% by weight of dry matters; and the environment-friendly functional auxiliary agent mainly comprises rosin, bauxite and a wet strengthening agent and accounts for 6%-7.4% of 100% of the total weight of the two types of the fiber dry matters. The manufacturing technology adopts the biological and mechanical way for preparing the fibersand pulp and adds the environment-friendly functional auxiliary agent for manufacturing paper and forming the film. The biogas residue fiber mulch film has excellent performance for inhibiting the breeding of weeds and can simultaneously adjust the ground temperature, preserve the soil moisture, increase the humidity, improve the ecological environment of the crops, can be completely biodegradedduring the growth period of the crops, improve the content of organic matters in the soil, have no residue or pollution and realize good economy.

The invention relates to a heat-resistant lining structure of a tunnel with high ground temperature. According to the invention, the carrying capacity of a tunnel lining structure is ensured not to be reduced in the high ground temperature environment, the heat-resistant or heat-proof performance is good, the cracking of the tunnel lining due to the temperature stress can be effectively avoided and the durability of the tunnel lining structure can be ensured. The lining structure comprises a wall rock (10), an initial support (11) and a secondary liner (20), wherein the initial support (11) covers the surface of the wall rock (10); the secondary liner (20) is built in the initial support (11); the initial support (11) is formed from injecting ceramsite concrete; a heat-insulating layer and a drainage-proof heat-insulating composite layer (40) are arranged in the initial support (11); and the heat-insulating layer is formed from die-building ceramsite concrete.

The invention relates to the field of crop planting, and particularly to a method for planting potatoes, which comprises the following steps: preparing land, fertilizing, and ditching; putting the potato seedlings into ditches, ridging, covering soil, covering parts on ridges, where the potato seedlings are planted, with colorless and transparent film, and covering two sides of the colorless and transparent film with black film; conducting field management, and harvesting potatoes. The method adopts the colorless and transparent film and the black film, which are in a matched manner, to plant the potatoes, the colorless and transparent film has good light transmittance and increases temperature quickly at the early stage, so the potatoes can root early; the black film has low visible light transmittance and can restrain weeds from growing, and the weeding rate can reach about 90 percent; during the middle and later periods of growth, the root systems enter below the black film, high temperature below the film, caused by strong sunlight, is prevented, and the premature senility of the root systems is avoided; the method can create a good environment for potato tuber growth in the period of tuberization, and has a ground temperature adjusting function that other film does not have; not only is the labor intensity of weeding reduced, but also the yield is increased by a large margin.

The invention discloses a heating system for performing seasonal solar energy storage with a ground-source heat pump. The heating system comprises a solar thermal collector (1), a thermal collection water tank (2), a ground temperature recording system (3), a plurality of underground buried pipe heat exchangers (4), a soil heat pump unit (5) and a heating user (6), wherein a signal input end of the ground temperature recording system (3) is connected with a signal output control line of a ground temperature measuring device buried underground; the underground buried pipe heat exchangers are buried underground and arranged in parallel connection; a pipeline water inlet of the heating user is communicated with a water supply outlet of the soil heat pump unit through a heating pipeline, and a pipeline water outlet of the heating user is communicated with a water supply and water return port of the soil heat pump unit through a water return pipeline. The heating system has the advantages of being simple in structure, reliable in control and economically feasible. Meanwhile, a large amount of solar energy heat is stored in the thermal storage process, and thus the soil temperature is raised and the system efficiency of the soil source heat pump is improved. The heating system for performing seasonal solar energy storage with the ground-source heat pump is economical and safe.

The invention discloses a coal-heat co-mining method based on a high ground temperature mine. The method uses a goaf formed after coal mining as a reservoir; at the same time, a geothermal well is excavated into a thermal reservoir in a roadway. Hot water is pumped out through a geothermal exploitation well, and cold water is recharged through a geothermal recharging well; at the same time, a WSHP(Water Source Heat Pump) heat exchange station and a wind source heat pump station are built on surface to recover heat energy in the hot water and the hot wind. Through the method, coal mining can effectively change structure of a underground rock stratum, and exert a certain pressure relief and anti-reflection effect on the thermal reservoir, thereby improving heat extraction efficiency of thegeothermal well; by the method, the waste high ground temperature mine can also be reused for reproduction; the extracted geothermal resources are energy-saving and emission-reducing; and the geothermal well is excavated in the mine, which greatly reduces mining depth of the geothermal well, reduces drilling difficulty, shortens drilling cycle and reduces mining cost.

An aerial sowing seed arrow is applied in the plant sowing work of forest, agriculture and environmental protection and other fields. During the prior desert aerial sowing works, the seeds are exposed on the ground after landed, which is easy to blow away with the desert wind or parched by the high ground temperature, thus the seed buds damaged can not be germinated. The invention is in the use of the novel method for the aerial sowing of plant seed to change the prior direct sowing method of plant seed in the field trees and grass planting. The aerial sowing seed is utilized as a means of delivery, which carries the plant seed, nutrient soil and water to be in the formation of the aerial sowing seed arrow together. The purposes of sowing, as well as trees and grass planting are achieved through the airdrop broadcast sowing. The aerial sowing seed arrow is in the utilization of the impact force formed from the acceleration of air gravity, which bores into the position under the ground sand layer, thus the blowing away by wind and the high temperature baking of seeds can be avoided. Moreover the nutrient soil and water carried by the arrow itself is utilized for the germination and growth under the ground surface sand. With this method, the survival rate of aerial broadcasting is greatly enhanced. The methods of ejection, injection and broadcast sowing can also be used to the aerial seed arrow for the implementation of trees, grass or crops planting.

The invention relates to a thermo-sensitive water-soluble gel water block sealing technique, which is used to block water in the oil field. Wherein, the invention uses thermo-sensitive reversible water-soluble gel to prepare the solution by adding modifying agent and solidifying agent, as the working substance for blocking water to be filled into the ground; and said gel can be reversible change in a certain range of temperature with the change of temperature; therefore, the it can be changed into gel or liquid in the functions of catalyst and ground temperature field (gel high-temperature and liquid in low-temperature, to block the ground and change the flow direction of water, to improve the oil extraction rate. The invention has simple process and wider application.

A method for generating electricity from a ground source. A temperature differential is created across a thermoelectric generator by passing a first fluid that has been maintained at air temperature over one side of the generator, and passing a second fluid that has been maintained at ground temperature over the other side of the generator. Electricity is generated from a voltage induced by the temperature differential across the thermoelectric generator.

The invention discloses a ground-type tidal Irrigation system, which is used for irrigating potted plants with water or nutrient solution and comprises an upper water supply and drainage trench which is arranged at the upper part of a seedbed, a lower water supply and drainage pipeline which is arranged below the seedbed and is connected with the upper water supply and drainage trench, a water supply system and a water drainage system which are respectively connected with the lower water supply and drainage pipeline and a nutrient solution pond, and a comprehensive control system which are connected with the water supply system, the water drainage system and the nutrient solution pond. An ultraviolet ozone disinfection system and an electric floor heating system are additionally arranged in the system. The ground-type tidal Irrigation system can simulate tide rising and tide falling to irrigate the plants from roots, realizes the continuous cyclic use of the nutrient solution through the ultraviolet ozone disinfection system, reduces the spreading of soil-borne diseases and improves the production benefit of crops; good ground temperature can be provided for the growth and the irrigation of the crops in cold seasons and the situation that the crops grow slowly is avoided; and the comprehensive control system can realize the comprehensive control of the irrigation system, the disinfection system and the electric floor heating system to enable the application to be more convenient and faster.

The invention discloses a water-soluble fertilizer containing chitin and humic acid and a production method thereof. The method is characterized by degrading chitin, a natural high polymer, and then mixing chitin with humic acid solution and nitrogen fertilizer to produce the water-soluble fertilizer containing chitin and humic acid. The produced water-soluble fertilizer contains 20-40g / l of chitin, 20-40g / l of nitrogen, 170-190g / l of humic acid and 1-5g / l of plant growth regulators. The method is simple, easy to operate and high in feasibility of implementation. The produced water-soluble fertilizer integrates the functions of nutrition supplement, bacteria immunity and virus immunity, improves soil conditions, prevents hardening, raises ground temperature, promotes prematurity, resists diseases and tolerates stress, resists continuous cropping and balances nutrition, and features stable status and lasting fertilizer efficiency.

The invention discloses an artificial high yield and high quality polyporus umbellatus cultivation method. The method comprises the following steps that a slope and a flat ground, with the altitude ranging from 900m to 1200m, in a mountainous area are selected, ring-cupped oak mushroom sticks which are cultivated by high-quality oak honey mushrooms and are suitable for growing of polyporus umbellatus are selected one year before the polyporus umbellatus is planted; six mushroom sticks and healthy, strong, elastic and purely wild grey polyporus umbellatus and black polyporus umbellatus which are cultivated in advance and are free of plant diseases and insect pests are planted in each pit in November of the year or March of the next year; 20-30cm pits are dug, and the sticks are placed in a ridging mode and are planted into only one layer; when the polyporus umbellatus is planted in March in spring or early November in fall, mulching film covering is carried out. The artificial high yield and high quality polyporus umbellatus cultivation method has the advantages of reducing planting attitude of the polyporus umbellatus, improving planting environment, raising the ground temperature and prolonging growing time because mulching film covering is additionally carried out, facilitating mushroom collection in advance and satisfying aerobic polyporus umbellatus and honey mushrooms because the mushroom sticks are cultivated in advance and are planted in a one-layer mode.

The invention discloses a buried pipe ground temperature measuring device and three methods for measuring buried pipe ground temperature. The device is suitable for an initial ground temperature test of a ground source heat pump buried pipe of a rock-soil body heat physical property test and for long-term monitoring buried pipe project dynamic temperature. The key technical scheme includes that one temperature sensor is used for measuring temperatures of multiple points, is placed into a heat exchange pipe or a heat measuring pipe, can be moved along the heat exchange pipe or the heat measuring pipe, and at the same time, measures the temperatures. Therefore, only one temperature sensor can complete a temperature measuring task in a whole testing hole. Data recording interval time of a temperature data recorder is adjusted, or moving speed of the temperature sensor is adjusted, or the data recording interval time of the temperature data recorder and the moving speed of the temperature sensor are adjusted simultaneously, and the number of temperature measuring points which are required at will can be simply achieved, and therefore the testing precision requirement is guaranteed.

The invention relates to a low-power ground-temperature automatic detector and relative detecting method, used to detect the ground temperature on large frozen soil, wherein said detector comprises automatic collector, hand-held device, two wireless data transmitters and manage computer; the automatic collector is formed by power manage module, single chip system, AD converter, signal obtainer, serial port communicator, memory module, and time system; the hand-held device via serial port can lead the data of automatic collector into manage computer. The invention has wide collecting resistance range, high temperature measuring accuracy as 0.05Deg. C, many ports that connecting at most 36 paths of thermal sensitive resistances. And it has low power consumption while month consumption is lower than 10Ah. It can read data via computer directly, and use hand-held device to store the data into USB disc or user wireless communication.

The invention discloses a highway bridge pavement deicing and snow melting system based on energy pile and a running mode. The system comprises a heating pipeline, a heat extraction pipeline and an earth source heat pump device, wherein an earth source heat pump heat exchanger is connected with the heating pipeline and a heat extraction port of the earth source heat pump device respectively so as to form a heat storage loop and a heat extraction loop respectively; and the heating pipeline is connected with the heating port of the earth source heat pump device so as to form a heating loop. The system can thoroughly solve the problem of snow and ice on a highway bridge pavement, and can save more than 70% of energy compared with the traditional electric heating deicing and snow melting technology. Solar energy in summer is stored in underground soil for heating in winter, so that the ground temperature of rock and soil body around a pile foundation caused by unbalance of cooling and heating load is prevented from decreasing year by year.

The invention discloses a remote sensing retrieval method for moisture of farmland soil. The method is based on an energy-balance equation and TVDI, and provides a quantitative dry and wet edges determination method and an improved TVQI model-temperature vegetation quantitative index (TVQI). The method is characterized in that A) forming a vegetation index-ground temperature characteristic space based on a remote sensing image observation value, according to the surface energy-balance equation, obtaining a quantitative dry edge, wherein the quantitative dry edge is determined by two points of Tds and Tdv; B) obtaining the quantitative wet edge, wherein the quantitative wet edge is determined by two points of Tws and Twv; and C) according to the TVQ1 model, calculating a soil moisture estimate value. The method overcomes restriction of vegetation cover types in calculation of VI-Ts characteristic space, and remote sensing retrieval precision of soil moisture can be increased.

The invention relates to a sowing technique, in particular to a stub-leaving no-tillage mechanical sowing cultivation method. The stub-leaving no-tillage mechanical spring-manure wheat sowing cultivation method comprises the steps of harvesting wheat, irrigating in winter, performing medical treatment on selected spring-manure wheat seeds, mixing the selected spring-manure wheat seeds with chemical fertilizer, performing stub-leaving no-tillage mechanical spring-manure wheat sowing, performing field management of stub-leaving no-tillage spring-manure wheat, and performing stub-leaving no-tillage spring-manure wheat harvesting and the like. The method has the advantages of increasing moisture in soil, reducing wind corrosion and waster and soil loss, regulating ground temperature, increasing nutrients in soil, improving activity of soil enzymes and the like.

The invention discloses a cold-region tunnel temperature field monitoring device and a testing method thereof. The cold-region tunnel temperature field monitoring device comprises a model train accelerating device, an outside air temperature control device, a tunnel interior air temperature control device, a surrounding rock ground temperature control device and a temperature and air speed detecting device. The cold-region tunnel temperature field monitoring device and a testing method are used for researching the change rule of tunnel interior radial and longitudinal temperature fields underthe situations of different ambient air temperatures, tunnel interior temperatures, surrounding rock air temperatures, tunnel interior air speed magnitude, time duration, train launching speed magnitude and frequencies, and have the advantages that the applicable range is wide, the reliability degree is high, the testing precision is high, and the building cost is low; in order to further define the change rule of a cold-region tunnel interior air temperature field and surrounding rock radial and longitudinal temperature fields, the basis is provided for cold-proof and heat insulation design of a cold-region tunnel, and important theoretical significance and application value are achieved.