216 results about "Arid" patented technology

The invention discloses an ecological restoration method for a bare rock side slope in a high and cold arid area, and belongs to the technical field of ecological restoration, the ecological restoration method for the bare rock side slope in the high and cold arid area comprises the following steps: (1) side slope pretreatment: firstly, mechanically chiseling a bare rock slope surface to form micro holes; a rhombic iron gauze is laid and anchored; (2) spray-seeding an anti-freezing and thawing base material to ensure that the base material uniformly covers the slope surface; wherein the freeze-thaw resistant base material comprises the following raw materials: weathered gravels, straw fibers, attapulgite clay, an inorganic compound fertilizer, a slow-release water-retaining agent, a cold-resistant microbial agent and mixed anti-freezing grass seeds; (3) covering the surface of the bare rock slope with an ecological blanket; (4) water management. The structural stability is enhanced through mechanical pretreatment, the anti-freezing and drought-resisting capabilities are improved through the composite anti-freezing and thawing base material, vegetation growth is promoted through cooperation of microorganisms and grass seeds, precise maintenance is achieved through an intelligent system, and a systematic solution for ecological restoration of the bare rock slope in the high and cold arid area is formed. The method has remarkable advantages in the aspects of improving the restoration efficiency, guaranteeing the ecological sustainability and the like.

The invention belongs to the technical field of hydrology and water resources, and discloses a cold and dry mountainous area drainage basin runoff simulation method based on an MIKE SHE / MIKE 11 coupling model in combination with GIS / RS data. According to the multi-source data fusion technology, a cold and dry mountainous area distributed input data set is constructed through TRMM satellite rainfall data, an MODIS LAI product and an ASTER DEM, and the rainfall space representation precision is improved by 40%. According to the model coupling mechanism, an MIKE SHE / MIKE 11 collaborative simulation framework is provided, earth surface-groundwater flow data interaction is achieved through river channel linkage, and the complex river network flood routing simulation error is reduced to 10% or below. According to the parameter partition calibration method, a drainage basin is divided into five hydrogeological regions, sensitive parameters such as a Manning coefficient and a hydraulic conduction coefficient are optimized in combination with a genetic algorithm, and the basic flow simulation precision is improved by 25%.

The invention discloses a method for predicting the irrigation amount of crops in an arid saline-alkali soil area and related equipment. The method comprises the steps that the potential evapotranspiration of a target crop is calculated through a double-source evapotranspiration mechanism model based on key meteorological parameters, obtained through prediction, of a target area, and the leaf area index and the plant height are dynamically updated according to the accumulated temperature process; respectively constructing different stress inhibition functions aiming at the attention salt ions and the pH value in the saline-alkali soil solution, and applying composite inhibition at the stomatal conductance and / or the apparent evapotranspiration resistance site to correct the potential evapotranspiration so as to obtain the ideal crop evapotranspiration corrected by the salinity and the pH value; and based on the corrected ideal crop evapotranspiration, predicting day-by-day irrigation amount and water distribution schedule suggestions in a future preset period. The method can solve the problem that current crop irrigation of saline-alkali soil in an arid inland region depends on experience, influences on different salt types and contents are caused, and quantitative analysis is lacked.

The invention relates to the technical field of water environment detection, in particular to a sampling device based on arid region water environment detection, which comprises a sampler, a protection unit is mounted on the lower side of the sampler, and a side suction unit is mounted on the protection unit. A plurality of elastic bottom-touching-preventing rods are adopted to support the sampling barrel, the water inlet pipe is prevented from being too close to a river bottom sediment layer, meanwhile, the water inlet pipe arranged laterally is adopted to extract a water sample in a side suction mode, disturbance of water flow to river bottom sediment is reduced, and the lower portion of the water inlet pipe is protected through an impurity blocking set; by means of the multi-stage device for preventing silt from being synchronously extracted, the normal sampling flow speed is maintained, meanwhile, it is avoided that too many impurities such as alkaline substances exist in a sampled water sample, and detection of the water body is affected, and the water body sampling detection accuracy is effectively improved. The inner cavity of the sampling barrel is divided into the two independent sampling cavities through the isolation plate, and the two piston extracting pieces are matched for extracting in sequence, so that independent collection of two water bodies with different depths can be completed through single-time lowering.

The invention discloses a compound microbial agent and application thereof in quality improvement of liquorice in saline-alkali soil in an arid region, and belongs to the field of microbial technology and agricultural planting. The compound microbial agent is prepared from arthrobacter globiforme, filamentous pseudomonas, sinorhizobium meliloti bacillus and bacillus subtilis; the viable count concentration of the compound microbial agent is (1-2) * 10 < 10 > CFU / mL. The compound microbial agent can remarkably improve the yield and quality of liquorice, and meanwhile, the compound microbial agent can improve the fertility of saline-alkali soil by activating soil phosphorus and potassium and improving the activity of urease and alkaline phosphatase. The invention solves the problems of weak glycyrrhiza rhizosphere colonization ability and low component conversion rate of the existing fungicide, and provides an innovative technical scheme for efficient glycyrrhiza planting in the saline-alkali soil in the arid region.

The invention relates to the technical field of grassland ecological restoration, in particular to a degraded grassland soil function improving method based on microbial community regulation and control, which comprises the steps of target plot preparation, improved matrix application, plant optimization configuration and the like. A multi-layer grassland ecosystem is constructed by combining microbial agents and plant functional characters, and the soil nutrient conversion efficiency and the vegetation stability are remarkably improved. The method can effectively solve the problems of insufficient attention of soil microflora and single vegetation in the prior art, is suitable for restoration engineering of degraded grassland in arid and semi-arid regions of Qinghai-Tibet Plateau in China, has wide popularization value, and can remarkably improve soil functions, restore vegetation coverage and biological diversity and assist construction of regional ecological safety barriers.

The invention relates to the technical field of ecological restoration of a coal mine in an arid region, and discloses an ecological restoration method for a waste dump of the coal mine in the arid region. According to the method, a multi-parameter environment sensing model containing soil humidity, soil components, surface temperature, vegetation indexes and regional gradient data is established, and whether ecological restoration is started or not is judged according to the model. And selecting at least one of water, a nutrient solution or a soil conditioner as a restoration medium, and quantitatively conveying the restoration medium to a predetermined area through an independent conveying path isolated from natural rainfall. The recovery area is composed of an independently-arranged conveying pipe network, the water flow direction is dynamically judged according to the gradient of the area, and natural diffusion advantage position pipe section conveying is preferentially started. During conveying, the operation time period is determined according to the medium absorption rate, intermittent conveying is executed on the selected pipe section, and the average flow in each cycle is controlled not to exceed the system reserve capacity. And when the reserve is insufficient, conveying is suspended, operation information is recorded, remaining operation continues to be completed after the reserve is recovered, and closed-loop recovery control is achieved.

The invention provides an arid desert region asphalt pavement screening method, and belongs to the technical field of asphalt pavement screening. Comprising a first frame body, a screening device body is installed at the top of the first frame body, a second frame body is installed at the top of the first frame body, first shells are fixedly connected to the two sides of the top of the second frame body, a second shell is installed at the top of the first shell, and a screening net body is installed in the screening device body. According to the multi-stage screening device, by arranging the rotation adjusting mechanism, multi-stage screening treatment of the device can be achieved through a vibration machine, a vibration machine connecting part and a screening barrel driving mechanism, meanwhile, vibration screening and rotation screening are used in cooperation, the screening efficiency of the device is higher, and by means of the rotation adjusting mechanism, the screening efficiency of the device is improved. And the size of the particle size capable of being screened by the screening device is adjusted, so that the aperture of the screen can be flexibly adjusted in combination with the specific requirements of the asphalt pavement in the arid desert region in the screening process.

The invention provides a power transmission and transformation project concrete mix proportion optimization method considering drought and cold region constraints, and relates to the technical field of design optimization. Key parameters are randomly allocated, and a time partition concept is adopted, so that the flowability and the hardening performance are respectively optimized in a concrete generation stage and a concrete hardening stage; through double screening of a fluidity index vector and a hardening index vector, the method ensures that the concrete has excellent resistance in a freeze-thaw cycle, and the service life of the structure is prolonged; the time position of the minimum freezing and thawing cycle number is selected through a simulation experiment, the defect that freezing and thawing influences are neglected in a traditional method is effectively overcome, the durability and reliability of concrete under the extreme weather condition are remarkably improved, and the optimization method can effectively reduce material waste and construction cost and is suitable for popularization and application. An economical and efficient solution is provided for concrete construction in the drought and cold areas, and the method has wide application prospects.

The invention relates to the technical field of ecological environment restoration, in particular to an arid / semi-arid mining area waste dump soil reconstruction method which comprises the following steps: S1, stripping surface soil of a waste dump, and leveling and compacting the surface of the waste dump to obtain a parent material layer; s2, coal gangue and an ionic curing agent are mixed, the rotating speed is 50 rpm, stirring is conducted for 10 min, and a mixture is obtained; the parent material layer is covered with the mixture in a layered mode, the thickness of each layer is 15-20 cm, after the mixture is covered every time, the mixture is compacted, then the next layer of mixture is covered, and after the last layer of mixture is compacted, a water-resisting layer is obtained; s3, the water-resisting layer is covered with the water storage layer and laid flat; and S4, covering the water storage layer with the vegetation layer. Heavy metal pollutants in the coal gangue can be effectively fixed, surface water and surrounding soil are prevented from being polluted by leaching of the coal gangue, good durability is shown, and functions can be kept for a long time.

The application provides a kind of method and device for high-cold arid coal mine area vegetation damage repair, it is related to mine vegetation technical field, the present application is divided into sub-region to coal mine area, the water content monitoring is carried out to each sub-region, the meteorological data of meteorological station is combined, to analyze the evapotranspiration of each sub-region, combined with evapotranspiration, rainfall, vegetation water absorption, to analyze whether the water content of sub-region meets the requirement of plant growth, and output irrigation index reflecting the current demand irrigation degree of sub-region, while also image shooting and multispectral data acquisition are carried out to sub-region, generate greening evaluation index for reflecting the growth condition of sub-region vegetation, combined with greening evaluation index and irrigation index analysis, obtain sub-region repair index, finally output sub-region repair priority area, priority is carried out targeted vegetation damage repair to repair priority area, greatly improve repair efficiency.

The invention belongs to the technical field of biomedicine, and particularly relates to an animal model and a modeling method thereof. According to the method, the northwest dryness syndrome type sub-health animal model is successfully constructed, an open model evaluation mode is adopted, and the established model is evaluated through goodness of fit; furthermore, autumn pear syrup is used for indicating that the prescription corresponds to the syndrome. The northwest dryness syndrome type sub-health target model established by the invention can provide a stable and reliable research model for external dryness syndrome essence exploration, arid region sub-health prevention and treatment, drug effect and pharmacological mechanism research of traditional Chinese medicines, prescriptions and the like with body resistance strengthening and dryness moistening effects, health product research and development and the like. An open model evaluation mode is adopted, and the higher the goodness of fit is, the closer the model to the northwest dryness syndrome type sub-health target model is. The northwest dryness syndrome type square domain dryness evil sub-health rat model is more suitable for arid region sub-health status research, and the northwest dryness syndrome type autumn cause dryness evil sub-health rat model is more suitable for autumn moistening health care research.

The application provides a design method of structural parameters of a rainwater collection root zone supplemental irrigation device, which simultaneously considers a rainwater collection surface area, a water storage tank volume and a ceramic emitter design flow rate, establishes a rainwater collection and utilization behavior calculation formula in the device at a daily scale, and according to the formula, combines with local daily rainfall data, soil water holding capacity and nursery root zone range, and takes the highest operation guarantee rate of the rainwater collection micro-porous ceramic root zone supplemental irrigation device in the arid region as the target to design the structural parameters including the rainwater collection surface area, the water storage tank volume and the ceramic emitter rated flow rate. The application first proposes the design method of the structural parameters of the rainwater collection micro-porous ceramic root zone supplemental irrigation device, which is helpful to improve the rainwater utilization efficiency of the rainwater collection root zone supplemental irrigation of the nursery seedling in the arid region, and further helps to improve the nursery achievement rate and the preservation rate in the afforestation project in the arid region.

The invention relates to the technical field of plant growth synchronous monitoring, in particular to a cold and arid mining area mine water and soil remediation and plant growth synchronous monitoring planting device which comprises a base, a supporting mechanism is installed at the top of the base, the supporting mechanism comprises a supporting rod, and the supporting rod is fixedly installed at the top of the base; a plurality of first sliding grooves are formed in the surface of the supporting rod, the fixing rings are slidably installed in the first sliding grooves, second sliding grooves are formed in the surface of the fixing rings, and the telescopic rods are slidably installed in the second sliding grooves. Through the arrangement of the supporting mechanism, a worker can directly judge the growth condition of plant branches through the position of a pointer on an indicating dial, an arc-shaped plate provides stable and adjustable clamping force through a spring, the arc-shaped plate can be precisely attached to plant stalks, measurement errors caused by clamping looseness are avoided, and the measurement accuracy is improved. The accuracy of stem diameter change data is ensured, and the quantitative requirement of experimental data is met.

The application discloses a tail water grading purification system for arid saline-alkali farmland, and discloses a purification method thereof, and belongs to the technical field of energy saving and emission reduction. Through the tail water detection system, the preliminary purification treatment system and the deep purification treatment system, and the purification treatment system comprising multiple water purification modules, multi-stage purification of the tail water of the farmland is realized. The whole system comprises three-stage detection, a special toxic detection module is arranged, the safety of the produced water is ensured, the recycling of the inorganic salt in the preparation process is realized, the whole process is controlled and decided through the central control system, the operation cost is reduced, the system is economic and practical, energy-saving and environment-friendly, and the problem that the tail water of the farmland is complex in composition, contains a large amount of inorganic salt, heavy metal ions and organic matter and is difficult to treat is solved.

The present application relates to the technical field of fruit tree propagation, in particular to a pear, plum or apricot germplasm resource nursery strip soil cutting method in cold and arid regions, first, one-year-old branches are selected, after disinfection, soaked in rooting mud containing humic acid and growth regulator, then, a cubic soil nub is dug in the rhizosphere of the mother plant, wrapped with non-woven fabric, injected with water-retaining agent, sprayed with humic acid potassium and chitin mixed solution, and inoculated with mycorrhizal fungi, finally, a planting hole is dug according to the set plant spacing, a straw root protection cover is set, the strip with soil is planted, water is poured thoroughly and slow-release fertilizer is buried. The technology effectively protects the root system and promotes rooting through comprehensive treatment, ensuring the rapid and high-quality construction of the resource nursery under the harsh conditions in the cold and arid regions. Through the triple root protection soil cutting technology, the survival rate of pear, plum, apricot and other deciduous fruit tree germplasm resource strips in cold and arid regions is increased from less than 60% of the traditional method to more than 85%.

The invention provides a method and device for inverting the moisture content of a reconstructed soil layer, electronic equipment and a storage medium, and the method comprises the steps: detecting the structure of the reconstructed soil layer through a ground penetrating radar system, and obtaining the electromagnetic wave propagation data of each layer of the reconstructed soil layer; detecting the reconstructed soil layer provided with the reflector based on a ground penetrating radar system to obtain two-way travel time data, obtaining a relative dielectric constant of the dielectric layer based on the two-way travel time data and the burying depth of the reflector, and obtaining an empirical formula based on the relative dielectric constant; and correcting the empirical formula based on the actual moisture content of the reconstructed soil layer to obtain a moisture content model, and performing inversion based on the moisture content model to obtain the moisture content of the reconstructed soil layer. By combining the ground penetrating radar system and the corrected empirical formula, the method can significantly improve the accuracy of soil layer moisture content inversion, and is especially suitable for land reclamation and ecological restoration engineering in arid and semi-arid strip mine areas.

This utility model discloses a storage device for generating water from air in arid desert areas, relating to the field of air-to-water technology. It includes a water storage tank, with a three-way valve threadedly connected to the tank opening. One end of the three-way valve has an air inlet, and the other end is fitted with an induced draft fan. A semiconductor cooling chip is installed inside the water storage tank, with a heat dissipation plate at the cooling end of the chip, located on the upper wall of the three-way valve. A filter tube is located at the lower end of the three-way valve, containing a nanofiber filter layer and an activated carbon adsorption layer. A pair of fixing rings are provided on the outer wall of the water storage tank, each threadedly connected with a fastening bolt. The semiconductor cooling chip is located directly above the filter tube. This utility model designs a simple air-to-water structure, offering strong convenience. It can continuously generate water while preserving water sources in deserts, increasing the water production capacity, making it highly practical.

The invention belongs to the technical field of ecological restoration, and particularly relates to a method for restoring vegetation of a transformer substation in a high-altitude cold and arid region. The method comprises the following steps: 1) soil preparation and fertilization, and growing point planning; 2, holes are formed in the growing points, and seedlings are planted after a growth promoter is put in the holes; and 3) growing point management. According to the method, within 60-90 days, the vegetation coverage of the exposed ground surface of the transformer substation in the cold and arid region can reach the coverage degree larger than or equal to 95%, the height smaller than or equal to 15 cm, the landscape is uniform, and the overwintering survival rate is larger than or equal to 92%; reseeding is not needed in the planting period; single species, low plants and few vertical wilt objects meet the fireproof requirement of the transformer substation; the total cost is reduced by more than 40% compared with the traditional turf laying method; the whole process is less in irrigation, only 2-3 times of water replenishing are needed, water is saved by more than 80%, the defects of slow lawn building, difficulty in overwintering and high maintenance cost in the prior art are overcome, and the method has practical popularization and application value.

The invention discloses an arid region underground water detection stratified sampling device, and belongs to the technical field of water quality detection, the arid region underground water detection stratified sampling device comprises a sampling barrel, at least two sealing assemblies are arranged in an inner cavity of the sampling barrel, a plurality of stratified sampling cavities are formed through the sealing assemblies, sample separation barrels are arranged in the stratified sampling cavities, and a plurality of sample separation boxes are arranged in the sample separation barrels in a surrounding manner; a trigger assembly is arranged on the inner side of the sample separation barrel corresponding to the sample separation box. According to the invention, through the designed expansion liquid bag, a medium can be fed into the expansion liquid bag through external pumping equipment, the expansion liquid bag can expand after liquid injection, the expansion liquid bag is unfolded to seal the opposite spaces on the two sides of the sampling barrel, a multi-partition layered sampling structure can be formed, and the sampling efficiency is improved by sealing different partitions. Compared with a traditional sampling mechanism with a single sampling cavity and valve switching, mixing of water at different layers can be avoided, and the sampling data precision is improved.

The invention provides a greenhouse grape early-maturing-promoting cultivation method which comprises the following cultivation steps that S1, a gobi land parcel is excavated by 1.2 m to form a semi-underground structure, and a wall body is formed by mixing and ramming local gravel, straw and a cement curing agent. Efficient utilization of photo-thermal resources and facility stability are achieved under extreme climate, a degradable root limiting container and a biochar improved matrix are adopted, a root system micro-domain environment is improved, soil degradation is avoided, a multi-parameter sensing and photo-temperature coupling model can accurately regulate and control the dormancy period and the germination process, and the method is suitable for large-scale popularization and application. Meanwhile, active defense of disasters such as sand and dust and cold waves is achieved through an adversity response mechanism, the fruit quality and production benefits are remarkably improved, and a sustainable cultivation scheme with high environmental adaptability and high resource intensification degree is provided for the arid gobi area facility grape industry.

The invention discloses a drought forest fire disaster-inducing element extraction and identification method and system, a storage medium and a computer program product, and relates to the technical field of remote sensing disaster monitoring, and the method comprises the steps: collecting a multi-source data set of a drought forest fire region, and extracting disaster-inducing factors from the multi-source data, the multi-source data set comprising satellite data; performing time-space two-dimensional thermal anomaly recognition based on the satellite data, and obtaining a fire point recognition result in combination with a drought forest fire disaster chain anomaly index output by a pre-constructed drought forest fire disaster chain anomaly index extraction model; the drought forest fire disaster chain anomaly index extraction model is constructed based on a drought forest fire disaster chain knowledge model, and the drought forest fire disaster chain knowledge model is obtained based on spatial and temporal distribution relation analysis of disaster-inducing factors. Through collection of multi-source data, construction of a knowledge model and an anomaly index extraction model and space-time two-dimensional thermal anomaly identification, efficient identification and accurate extraction of disaster-causing elements of a drought forest fire disaster chain are realized.

The application discloses a kind of arid region coal-based solid waste recycling crushing device and method, belong to coal-based solid waste processing field.A kind of arid region coal-based solid waste recycling crushing device, including crushing box and with the screening box being communicated with crushing box, further include: the crushing assembly for being set in crushing box, for carrying out crushing to coal-based solid waste, wherein, the inner wall of crushing box is provided with protection assembly, and part of structure vibration in protection assembly can be driven when coal-based solid waste is crushed;Primary screening mechanism is arranged on the inner wall of crushing box, secondary screening mechanism is arranged on the inner wall of screening box, and secondary screening mechanism is communicated with primary screening mechanism by pipeline;The application can overcome the problem that coal-based solid waste crushing operation process is complicated, crushing efficiency is low, and screening equipment is easily blocked.

This utility model discloses a water replenishment device for arid desert ecosystems based on micro-moisture self-circulation in the field of soil replenishment equipment technology. It includes a water replenishment pipe with a seepage port at its bottom, buried within the desert soil. A rain collection tray and an air supply mechanism are connected to both ends of the water replenishment pipe, respectively, both located above the desert soil. A humidity sensor for detecting soil moisture is installed on the water replenishment pipe, and a humidity sensor for detecting air humidity is installed on the air supply mechanism. This utility model delivers water to the water replenishment pipe deep in the soil through the rain collection tray and delivers micro-moisture into the water replenishment pipe through the air supply mechanism. The warm air carrying the micro-moisture condenses in the water replenishment pipe, and the condensed water seeps into the soil through the seepage port, replenishing the desert soil's moisture and improving the desert ecological environment.

The invention provides a pond fishery and rice co-culture ecological breeding method. A pond planting area and an aquaculture area are included. A concentric-square-shaped planting circular groove is formed in the outer side of the pond planting area, a rice planting area is arranged in the planting circular groove of the pond planting area, and a water lifting and taking area is arranged on one side of the planting circular groove; a water storage pond and at least two land-based culture round ponds are arranged in the aquaculture area, water in the water lifting and taking area is conveyed into the water storage pond through a water suction pump, and each land-based culture round pond is communicated with a water inlet main pipe; the center of the bottom of each land-based cultivation round pond is further communicated with a drainage branch pipe and connected with a drainage main pipe through a water level limiting well, and the water outlet end of the drainage main pipe extends into the planting circular ditch and the rice planting area. According to the method, the industry development trouble that the height of pond culture water resources in the cold and arid region is limited is solved, the culture capacity is stabilized, the water resources are remarkably saved, the yield is increased, the planting and breeding benefits are improved, planting-breeding integrated efficient development is achieved, and the method is economical and practical.

This invention relates to the field of vegetation restoration equipment technology, and more particularly to a vegetation restoration device for engineering sites in arid river valleys. The device includes a vehicle body with symmetrically fixed support blocks on its upper surface. A drive motor is mounted on each of the two support blocks via a lifting block. The output shaft of the drive motor is equipped with a rotating rod and a spiral blade. A storage box is fixedly mounted on the vehicle body, and a discharge pipe is connected to the side of the storage box. A rectangular hole is formed on the upper surface of the discharge pipe, and a sealing plate is slidably inserted into the rectangular hole. A transmission assembly is provided on the vehicle body. After drilling, the device utilizes the cooperation of the discharge pipe, sealing plate, and transmission assembly to open one end of the discharge pipe in a short time, allowing the seeds in the storage box to automatically slide into the drilled hole. The operation is simple, eliminating the need for manual seed insertion, saving time and effort, effectively improving planting efficiency, and preventing seed loss.

The invention provides an unpowered air source water drawing device and method applied to an arid region, a water drawing device body comprises a condensate water collecting cavity located on the lower portion, an air condensation cavity is arranged above the condensate water collecting cavity, and a chimney type air duct is arranged above the air condensation cavity; the condensate water collecting cavity, the air condensing cavity and part of the chimney-shaped air duct are buried in the soil body, and an exhaust port is formed in the top of the chimney-shaped air duct; a photovoltaic PN junction patch for generating current is adhered to the outer wall of the upper part of the chimney-shaped air duct, and is electrically connected with an energy storage device and a refrigeration PN junction patch through a controller; the refrigeration PN junction patch is arranged on the air condensation cavity in a pasted mode and electrically connected with the energy storage device at the same time. An air inlet pipeline is arranged in the air condensation cavity, extends out of the chimney-shaped air duct and is used for introducing air; and a water collecting device is arranged in the condensate water collecting cavity. The device can be used for water drawing operation in the desert environment.

The application discloses a kind of self-compacting geopolymer concrete mix design methods considering arid cold region, and the application relates to the technical field of concrete mix design.It includes the following steps: obtaining self-compacting geopolymer concrete samples with different mix proportions, testing their flow characteristic parameters including T500 flow time, emptying time, setting time and mechanical characteristic parameters after hardening.Map the mix proportion and the corresponding parameters to generate a training sample set, and based on the set, establish a neural network model, and train to obtain a feature prediction model.Generate different mix proportion combinations through the known material addition range, input the feature prediction model to predict the flow and mechanical characteristic parameters.Calculate the mechanical performance parameters and combine the flow characteristic parameters to construct a fitness function.Using genetic algorithm to optimize the mix proportion combination, get the scheme with the highest fitness value, provide reliable protection for building construction in arid and cold regions, improve the safety and durability of the project.

The present invention relates to the field of forestry planting technology, and more particularly to a method for improving water conservation and afforestation in arid soil. The afforestation method comprises the following steps: (1) preparing a soil conditioner; (2) preparing a water-retaining material; (3) planting seedlings for afforestation; and (4) performing routine management after the seedlings are planted. Utilizing the method of the present invention for afforestation can effectively improve the survival rate of the afforestation.

A method and apparatus for cultivating vegetation at an arid location includes rooting vegetation in a mat combined with a super absorbent polymer; applying waste vegetation onto the mat; and installing a perforated cover sheet onto or suspended above the mat. The waste vegetation provides additional moisture and nutrients as it decays. The mat can be isolated from surrounding sand or soil by an underlying layer, and the waste vegetation and mat can be sufficient to support mature vegetation. A shade layer between the waste vegetation and the cover sheet can reduce sunlight intensity. The mat can be placed above a water reservoir, with at least one wick extending from the mat into the reservoir. The wick can include nutrients and / or fertilizer. The reservoir can be covered by a perforated lid. Downward extending hollow tubes, which can surround the wicks, can enable excess water to flow into the reservoir.