514 results about "Moisture capacity" patented technology

The invention relates to a composite admixture used in concrete that incineration fly ash of urban living garbage, fly ash, slag powder and natural mineral powder are taken as the main raw materials and a preparation method thereof, and pertains to the technical field of building material preparation technique. The composition and weight percent of the composite admixture in the invention are: incineration fly ash, 10-30%; fly ash, 20-40%; slag powder, 30-50%; and natural mineral powder, 5-15%. The composite admixture of the invention can replace 30-50% of use volume of the cement in concrete; the prepared concrete can not only improve the grade of the grains of the concrete system, but also improve fluidity, cohesiveness and moisture capacity of concrete mixture, and can improve slump constant, anti-sulfate performance and anti-carbonization performance of the concrete; and the durability performance of the concrete can also be improved. The waste such as incineration fly ash, industrial slag, and the like, can be recycled, thus being in favor of environmental protection, and saving cement, sources and energy.

A moisture removal device for reducing the moisture content of air associated with an appliance including a body of moisture removing material, apparatus for moving air associated with the appliance into contact with the body, a heat sink for the body for the dissipating heat of condensation of moisture condensing on the body from air associated with the appliance, and an apparatus for deforming the body to regenerate the moisture capacity of the moisture removing material. The apparatus for deforming the body can compress, stretch, or twist the body of moisture removing material to mechanically remove liquid from the body. The moisture removal device can be part of a refrigerator, cooker hood, room air conditioner, dehumidifier, dishwasher, clothes dryer and a drying cabinet.

A method for producing a webbed fibrillar material includes providing a polymer material including a solvent; injecting the polymer material into an electric field toward an electrically charged target; controlling at least one process parameter to produce the webbed fibrillar material having one or more desired characteristics; and collecting the webbed fibrillar material from the target. The process parameter may be selected from the group consisting of an electric field strength, a temperature, a solution viscosity of the polymer material, a distance between an injection point and the target, a solvent type, a relative concentration of the solvent and polymer material, a molecular weight of the molecules of the polymer material, an environmental temperature, an environmental humidity, and a drying time of the injected polymer material.

The invention discloses a method and an apparatus for detecting deep soil humidity through microwave remote sensing, and relates to the technology of microwave remote sensing. The method for detecting deep soil humidity through microwave remote sensing is provided by utilizing an object-penetrative property of microwave low-frequency bands and also disclosed is the apparatus for detecting deep soil humidity through microwave remote sensing. Backscattering coefficients of soils are tested. Soil humidity of different depth is obtained through inverting a deep soil scattering model and a soil dielectric model. A three dimensional image of the distribution of soil humidity in a tested area is formed. The working frequency of the apparatus is in the VHF/UHF band. Soil dielectric constants and humidity parameters of different types of soils in a depth of 0.1-10 m can be detected in a contactless and lossless manner.

The invention provides a method for remedying soil polluted with cadmium by using interplanting. In the soil polluted with cadmium, cadmium high-accumulation plants and cadmium low-accumulation plants are planted simultaneously in an interplanting manner and planted alternatively at the number ratio of 1 to 1; four plants around each plant are all different from the plant in variety, the plant spacing is 10 to 30 cm and the line spacing is 10 to 30 cm; the plants are watered by using a water source without being polluted by heavy metal and the field moisture capacity of the soil is kept to be 80%; compound fertilizers and carbamide are applied, depending on the soil property and the crop variety; edible parts of the interplanted plants are harvested at the harvest time and the cadmium content in the plant variety with relative low cadmium accumulation is decreased to the specified safe standards for consumption in China, so that the purpose of yielding safe edible products from the soil polluted with cadmium is achieved. The method for remedying soil polluted with cadmium by using interplanting, provided by the invention, has the advantages of rational design, low expense and strong operability and can be applied to the purpose of yielding products at the same time of remedying the soil polluted cadmium.

A method for determining field readiness using moisture modeling of a plurality of fields in a region of interest includes (a) generating a detailed set of moisture factors covering a plurality of scenarios for each field element of the plurality of field elements for a particular field; (b) repeating act (a) for each field of the region of interest; (c) generating a general set of moisture factors for a particular field of the plurality of fields to be applied to each field element of the plurality of field elements in the particular field; (d) repeating act (c) for each field of the plurality of fields in the region of interest; and (e) estimating soil moisture for each field element in the region of interest based on the detailed set of moisture factors and the general set of moisture factors.

The invention relates to a method for improving the drought resistance of drought substrate tall fescue by adopting urban household fine garbage compost, which comprises the following steps of: respectively scattering fine garbage compost of which the particle diameter is respectively 1200nm, 600nm and 300nm uniformly on the surface of soil, wherein the ratio of the particle diameter to parts by weight of the soil is 1:60-80, the temperature is controlled at 20-26 DEG C, the relative humidity is controlled at 40-60%, and natural light permeating a room is used for illuminating; fully watering at the initial stage of seeding; weighing and watering every one or two days according to 55-65% of field moisture capacity after two weeks to maintain the field moisture capacity in the stress range; and measuring each index from the 44th day. The result shows that under the drought stress, the fine compost increases the biomass of the tall fescue to a certain extent, and the research result of growth of root systems of lawn plants can be basically met by matching the compost with the substrate for cultivating turf.

The invention discloses a constructional energy-saving ceramic brick with a passive humidity adjusting function and a production method thereof. The ceramic brick contains humidity-adjustable submicron holes which are left after sintering of high-temperature-sintered plastic-lost soil, diatomaceous shale, vermiculite, bauxite and attapulgite; the ceramic brick is prepared by sintering at low temperature, wherein a glass phase is not generated and holes are not plugged; and due to the mismatches of expansion coefficients of various raw materials, small microcracks are produced on the submicron moisture absorption holes, so moisture absorption and deabsorption abilities of the ceramic brick are enhanced. The production method provided by the invention overcomes the problems of small moisture deabsorption amount, slow moisture deabsorption, small moisture capacity, complicated manufacturing process and high production cost of conventional humidity adjusting materials.

The invention discloses compound biochar-based slow-release fertilizer and an application method thereof and mainly relates to the field of biochar-based fertilizer. A preparation method of the compound bio-carbon-based slow-release fertilizer comprises mixing agricultural rice straws and wood shavings, preparing char, adding sodium selenite into the char to obtain biochar, mixing pig manure and chicken manure, carrying out fermentation on the pig manure and chicken manure, carrying out metal passivation treatment to obtain manure-based fertilizer, further fermenting the biochar and the manure-based fertilizer, and adding diatomite into the fermentation product for modification to obtain slow release fertilizer granules. In use, preferably, the slow-release fertilizer granules are applied to the field according to a ratio of 256 kg per mu, and a field moisture capacity measured value is kept in a range of 70% to 80% in the whole growth period. The compound biochar-based slow-release fertilizer can meet the demand of nitrogen and phosphorus in the early stage and the whole period of rice seedling, has sufficient and lasting fertilizer effects, prevents the effects of heavy metals, improves the soil environment, inhibits methylmercury, and can produce high-yield good-quality selenium-rich rice.

The invention relates to a method of in-situ ore leaching and leachate discharge of ion adsorption type ore; the leachate is collected in a vacuum mode; a porous capillary leachate-guiding layer is disposed between the ore body and a vacuum leachate outlet and has the function of obstructing air; the leachate is transferred from the ore body to the vacuum leachate outlet under the vacuum pressure conducted by capillary action. The invention also provides a system for realizing the method. The method and system of the invention facilitate the improvement of vacuum leachate discharge area and system vacuum degree, greatly decrease the energy consumption required for maintaining vacuum, thus reduce the moisture capacity of the ore layer, enlarge the control range, and increase the leachate discharge efficiency.

A jujube fruit cracking prevention method aims to achieve the purposes of good simplicity and convenience and high practicability, can be easily accepted by peasants and can effectively lower the jujube cracking rate in autumn. The method comprises the following steps: at the early stage of blooming of jujube trees, within 15 days after start of the early flowering season, a flower thinning agent is sprayed to the jujube flowers to thin off the early flowers, so that the late flowers are fruitful; accordingly, the fruit development time is put off by about 10-15 days, and the probability of sliding over the rainy days in the later period of fruit development is higher; from the intermediate stage of fruit development, whether to water the jujube trees or not is determined according to the soil moisture content every day to enable the rhizosphere soil moisture to be kept 60-80% of the field maximum moisture capacity till the last ten days of September, so that the demand for normal jujube fruit development on moisture can be satisfied.

The invention discloses a multiscale macroscopic-microscopic tester for rock and soil materials under multi-field coupling, which is suitable for real-time tracking measurement of the deformation and damage of rock and soil mediums under different coupling conditions of force-water-temperature. The tester comprises an MTS rigidity press, an airtight transparent testing box, a macroscopic optical camera, a microscopic optical camera, an LVDT displacement sensor, a humidity controller, a temperature-humidity sensor, a control and acquisition system and a rigidity working platform. The equipment has complete functions and high measurement precision, tracks the microscopic characteristics and the macroscopic representations of the material damage variation in real time, can realize the determination of mechanical parameters of the materials under the single-shaft condition and the identification of waterpower damage mechanism and long-term rheology mechanism, and is very suitable for the modern rock and soil research demands.

The invention discloses a system for the real-time monitoring and prediction of soil moisture content, and a detection method for the soil moisture content. The system comprises a monitoring module and a prediction module. The monitoring module comprises a detection system, a data collector, a wireless transmitter, and a data receiver. The detection system comprises at least two detectors, and the detectors comprise a soil moisture content detector disposed at a to-be-detected point, a precipitation detector, a ground surface wind speed detector, a ground surface temperature detector, a ground temperature detector, and a ground surface air moisture detector. The data collector is connected with the detection system, and the detection system enables the detected data to be transmitted to the data collector and to be transmitted to the data receiver through the wireless transmitter. The prediction module comprises a comprehensive cloud computing platform and an information publishing and self-determining inquiry platform. The comprehensive cloud computing platform is connected with the data receiver, and receives the detection data transmitted by the data receiver. After processing, the detection data is transmitted to the information publishing and self-determining inquiry platform. The system is simple in operation, is stable in performance, is safe in data, is diversified in function, and is high in adaptability.

The invention discloses a humidity-adjustable tile and a production method thereof and relates to the field of ceramic products. Production raw materials of the humidity-adjustable tile comprise diatomaceous earth, kaolin, clay, zeolite, quartz sand, vermiculite, guar powder, sodium carboxymethyl cellulose, calcium chloride, ammonium bicarbonate, magnesium oxide and aluminum oxide. Through optimization and improvement of the raw materials and the production method, the produced tile has better moisture absorption and desorption performance and fracture resistance. Detection proves that the tile has the moisture capacity being 750.33-768.15 g/m<2>, the moisture desorption capacity being 489.21-504.13 g/m<2>, the fracture strength being 40.19-42.01 MPa and the porosity being 40.97-46.87%.

The invention discloses a method for stimulating the action of soil under extreme climate, and an apparatus thereof. The method and the apparatus are suitable for the indoor manual controlled stimulation research of the change of physical and mechanical properties of soil under the action of drought, rainfall (acid rain) and drought and rainfall coupled extreme climate processes, and can stimulate the influences of the extreme climate on the properties of soil. The stimulation ground temperature is in a range of 0-75DEG C, the air humidity is in a range of 0-95%RH, and the rainfall intensity is 0-250mm/h and can be adjusted at will as needed to generate many types of rainfall (heavy rain and acid rain). Different work modules are started to research the mechanical response of soil under the environment action influences of drought, rainfall and drought and rainfall coupled climates; and the apparatus has the advantages of mutually independent systems, simple structure, convenient installation and dismounting, high flexibility and strong applicability.

The supercharged diesel engine wet air-diesel oil homogeneous combustion system is characterized by that it adopts the Venturi tube and waste gas recirculation pipe device to introdue small quantity of waste gas, utilizes the high temperature of waste gas to quickly evaporate fuel oil, and introduces it into cylinder from tail end of air intake pipe of diesel engine. It also uses air humidifying device to humidity pressurized air and control air temperature, and utilizes the moisture capacity of air to control temperature and composition of working medium so as to indirectly control combustion process. Said system can be used for easily preparing diesel oil/air mixed gas, can be self-regulated, and can implement low-discharge combustion.

The invention discloses a preparation method of a porous spherical compound humidifying agent, which comprises the following steps of: a, activating zeolite for 2-3h at a temperature of 450 DEG C to obtain activated zeolite; b, adding 30 parts by mass of polyacrylic acid into a sodium hydroxide solution prepared from 15 parts by mass of sodium hydroxide and 100 parts by mass of distilled water so that polyacrylic acid is neutralized, then adding 0.9-2.7 parts by mass of sodium carboxymethylcellulose, 3-6 parts by mass of activated zeolite and 0.3 part by mass of potassium persulfate into a container containing the solution, stirring for reaction at a temperature of 70-80 DEG C; 30min later, dissolving 0.3 part by mass of aluminium chloride in 10 parts by mass of distilled water to obtain a solution, adding the solution in the reactor; adding 0.3 part by mass of N,N-methylenebisacrylamide, continuously stirring for reaction for 0.5-1h till a gel effect happens; and c, adding 0.9 part by mass of sodium bicarbonate into the reactor to generate aluminium hydroxide and carbon dioxide, carrying out primary foaming, stirring for reaction for 0.5-1h to obtain a synthetic product; heating for 1-2h at a temperature of 150 DEG C so that the aluminium hydroxide is decomposed and water is evaporated, and carrying out secondary foaming and drying to obtain the porous spherical compound humidifying agent. The porous spherical compound humidifying agent has the advantages of high humidifying response speed, high moisture content and moisture capacity, good regulation stability, convenience in preparation, low cost, good effect, environmental friendliness and no pollution.

The invention relates to garden greening artificial intelligence watering equipment which includes a traveling module, a navigation module, a soil moisture detection module, a watering module and an analysis control module. The traveling module is used for moving and walking of a watering equipment body, the navigation module is used for building a greening area map and planning a travel path of the watering equipment body, the soil moisture detection module is used for detecting the moisture of soil for planting plants, and the analysis control module is used for determining whether the moisture detection is carried out on the soil or not based on the real-time location of the watering equipment body, calculating the amount of watering based on a detected soil moisture value and a set plant optimal moisture value, controlling the watering module to perform quantitative watering, and controlling the watering equipment body to travel according to the planned travel path. The garden greening artificial intelligence watering equipment can automatically walk in a greening area, and plants are automatically watered accurately and quantitatively according to the moisture of the plantingsoil, so that the plants are always in the best water growth environment, the whole process does not need manual participation, and the automation and intelligence of greening watering are realized.

The present invention provides a partial radiation refrigerating device which includes the following components: a compressor which does adiabatic compression to the vaporing refrigerant and discharges it with the high temperature and high pressure refrigerant air form; a condenser which extracts condensing latent heat from the high temperature and high pressure refrigerant gas and changes it to the high temperature and high pressure liquid refrigerant; an expansion valve which uses the throttling expansion to switch the high temperature and high pressure liquid refrigerant to refrigerant with low temperature and low pressure state; a radiation panel which includes an evaporator, the inner side of the evaporator is formed with a pipeline with which the low temperature and low pressure liquid refrigerant gets through, make the liquid evaporate and extract the surrounding heat; and a dehumidifying part which eliminates the moisture in the indoor air to avoid the moisture condensation on the radiant panel. The partial radiation refrigerating device according to the structure prevents the moisture condensation on the surface of the radiant panel and can refrigerate partially, it can be moved and it can keep the comfortable feeling at the condition of high moisture capacity.

The invention relates to a tobacco fertilization method capable of conserving tobacco-planting soil. The tobacco fertilization method is characterized by comprising the following steps: a, fertilizing base fertilizer; b, transplanting; c, further applying seedling fertilizer; d, further applying potash fertilizer; and e, carrying out field management measures. By adopting the tobacco fertilization method capable of conserving the tobacco-planting soil, the volume weight, overall porosity, capillary porosity and aeration porosity of the soil are reduced, so that the capillary moisture capacity and moisture content of the tobacco-planting soil are increased, the quantity of microbes in the soil is increased, the pathogenic bacteria of tobacco bacterial wilt are reduced, and the yield, output value, average price and high and medium tobacco rate of tobacco are obviously improved.

The invention relates to the technical field of humidity conditioning, and discloses a device for conditioning moisture. The device comprises a shell and a moisture absorption turntable; a first channel and a second channel are defined in the shell; the moisture absorption turntable is rotatably arranged in the shell, part of the moisture absorption turntable is located in the first channel, and the other part is located in the second channel; and an air supplementing opening is formed between the first channel and the second channel. According to the device, the indoor environment can be humidified or dehumidified through the moisture absorption turntable which continuously rotates, in the humidification or dehumidification process, outdoor air can enter a room through the air supplementing opening, outdoor fresh air is supplemented into the room, the quality of the indoor air is improved, and then the user experience is improved.

The invention relates to the field of soil environment monitoring, and discloses soil humidity data acquisition equipment which comprises a humidity sensor shell, a screw rod arranged along the axis of the shell, a sleeve plate screwed to the periphery of the screw rod, a limiting mechanism enabling the sleeve plate to reciprocate in the axial direction of the screw rod, a plurality of traction rods having upper ends connected with the sleeve plate, and a drill bit hollow inside. The telescopic mechanism is arranged between the screw and the drill bit, the upper end of the rotating rod extendsout of the upper end of the screw, an outer gear structure is arranged on the periphery of the part, extending into the drill bit, of the rotating rod, an inner gear structure is arranged on the inner circumferential wall of the gear and meshed with the outer gear structure, and the rack is meshed with outer teeth of the gear. One end of the rack is fixedly connected to a humidity sensor. According to the soil humidity data acquisition equipment provided by the invention, the drill bit rotates and moves downwards, so that the situation that the probe of the humidity sensor directly collides with a hard object in soil is avoided, the probe of the humidity sensor is prevented from being damaged, and the measurement precision is ensured.

The invention discloses a humidity detection and moisturizing control method and system for large-volume concrete. A humidity detector is arranged on a constructed concrete surface layer; the humidity sensor is connected with a signal input end of a controller of a spray system through a time delayer A; an output end of the controller of the spray system is connected with a water pump or a fan; besides, a time delayer B or a flow meter is arranged on the water pump or the fan. The system disclosed by the invention can realize an automatic detection and spray moisturizing function, and can overcome the defect that concrete is artificially moisturized through experience at present; through the adoption of the system disclosed by the invention, time and labor are saved; the moisturizing time is accurate; the precision of water supply amount is high; the moisturizing effect is good. T time delayer A and the time delayer B are arranged, so that the misjudgment of the sensor can be avoided, the degree of automation is high, and manual work is not needed.