110 results about "Desert environment" patented technology

The invention discloses a desert control method of a chemical sand-fixing greening technology based on organic composite materials, and the desert control method is characterized in that hydrophilic polyurethane resin curing agent solution is sprayed on a sand or soil layer of greening objects for sowing the vegetation for forming a porous fixed sand layer. The fixed sand layer formed by the method has appropriate thickness and strength, good durability, good anti-freeze and melt properties and functions of water retention, thermal insulation, ventilation, vegetation and the like. According to the method of the invention, the stable and effective solidifying can be carried out on sand even under the specific desert environments of no abundant groundwater sources and strong wind erosion, and the purpose of vegetation greening can be also realized. The method has large-scale construction properties and good economic performances, thereby being applicable to the needs of large-scale chemical sand fixing and vegetation greening of the vast desert and realizing the plant greening function and the ecological restoration and the control of desertified land.

A method of desert environmental control using the apparatus as disclosed herein that can be installed in huge expanse of desert area, evenly spaced in a square matrix type formation, forming a protective layer against sunlight, and turning the sun's natural energy into electrical power by the solar panel or photo-voltaic cells that can be placed upon the shade panel as disclosed herein, creating a friendly environment that promotes plants growth and thus turning arid desert land into human friendly land at a cost lower than other current systems.

The invention discloses a polycarboxylate water reducing agent for a gobi desert environment. The polycarboxylate water reducing agent is mainly prepared by the following steps of: synthesizing poly(ethylene glycol methyl ether) maleic anhydride active macromonomer (PAM) by performing esterification reaction on poly(ethylene glycol methyl ether) (MPEG) and maleic anhydride (MAH) which serve as main raw materials; preparing a terpolymer by copolymerization of the PAM, sodium methallyl sulfonate (MAS) and itaconic acid (ITA) which serve as raw materials by free radicals; and neutralizing the terpolymer with a base solution. The polycarboxylate water reducing agent has excellent performance, such as high water reducing ratio, little cement paste gradual loss, high cost performance and the like, so that the problem that monomer with large activity difference is difficult to control is solved, and the requirement of construction in the gobi desert environment can be met.

The invention relates to a block sparse compressed sensing-based desert seismic exploration random noise suppression method and belongs to a method for eliminating the low-frequency random noise in the desert seismic exploration environment. The accurate positioning of effective signals is achieved through the research on the non-uniform property of the desert noise. The characteristic that a seismic signal structural block is sparse is fully considered by the block sparse compressed sensing algorithm, so that the purpose of random noise suppression in the desert area is achieved. According tothe invention, on the premise that the random noise in the desert area is reduced, the amplitude of effective reflection waves in seismic record can be effectively kept. The resolution of seismic data is improved. The method provides a favorable condition for the seismic data treatment of petroleum and natural gas exploration in the complex and variable desert environment.

The invention discloses a desert planting method. The method of the invention is applied to planting the short plants with thin main stalks. In the method of the invention, water hammer is carried out on sandlot, and holes are prepared for planting thin and small plants, thus avoiding the heavy labor for manually digging tree wells by shovels. As the tree wells are relatively small, the water poured in can guarantee the water demanding by new seedlings, water is saved and labor for additionally taking water is reduced. The seedlings are planted with water, i.e. 'water is accompanied by seedlings', and the drift sand at the openings of the holes washed out by water is used for filling the holes, thus saving procedure, filling sturdily and improving the survival rate of seedlings. A plurality of branch water pipes are arranged for simultaneous work, and the efficiency is improved. The method of the invention solves the water source problem well by utilizing the characteristic of desert that the wells with small openings can be dug easily, and the wells with small openings become the water sources for irrigation after planting. The method has the advantages of less input, saving manpower, high efficiency, survival rate of seedlings and easy to realize, and according to the local condition, the planting method can make full use of desert environment to carry out flow operation.

The present invention provides a method of sequestering carbon dioxide and water in a desert environment. In a first step heat that would otherwise cause thermal expansion of the ocean and resultant sea level rise is extracted to produce energy. A portion of the energy is used to desalinate seawater. The desalinate water is pumped into a desert environment and vegetation is planted in the irrigated desert portion. The vegetation sequesters carbon dioxide. The seawater extracted for desalination further reduces sea level rise. Irrigation water moderates the day and nighttime temperature fluctuations of hot deserts. Lowering the daytime temperature increases the deserts potential to sequester water. The commercial and arable potential of the desert is augmented by the enrichment of its soil by composted vegetation, its irrigation and the moderation of its diurnal temperature fluctuations.

The invention provides a desert quadruped robot imitating a lizard. The desert quadruped robot imitating the lizard comprises a robot body, a C-type leg structure and a tail structure, the C-type leg structure comprises 2N C-type legs which are symmetrically arranged on the two sides of the robot body through drive motors respectively, the tail structure has two degrees of freedom through a horizontal swinging steering engine and a vertical swinging steering engine and is arranged in the middle of the rear end of the robot body through the horizontal swinging steering engine, and the drive motors of the C-type legs and the horizontal swinging steering engine and the vertical swinging steering engine of the tail structure are connected with a controller through wires. The desert quadruped robot imitating the lizard can ensure a stable and rapid walking state in the desert environment, and is high in adaptability to the desert environment. Meanwhile, intensity of pressure on sand grains from the legs is reduced, and small sinkage of the robot is ensured. The flexible tail structure not only can keep balance of the robot body in the walking process of the robot, but also can help the robot better escape from danger after the robot sinks into the sand.

The invention discloses an air-ground channel modelling method and device applicable to a gobi desert environment. The method comprises the steps of: analyzing practical factors of air-ground channel transmission in the gobi desert environment, and extracting related parameters required by air-ground channel modelling in a practical weather condition in the environment; according to obtained given information of a transmitting end and a receiving end, setting reasonable parameters and establishing an initial channel model; and, extracting influence factors influencing air-ground channel modelling, and performing refined correction of the initial channel model, so that an air-ground channel transmission model of a gobi desert is obtained. The consistency between the established channel model and a real scene is relatively high; and, the transmission characteristics of a practical channel can be effectively reflected.

The invention provides a sand-fixing and dust-suppressing agent, a sand-fixing and dust-suppressing method and a desert improvement method. The sand-fixing and dust-suppressing agent comprises the following two components: a component A which comprises water glass, starch, a surfactant and water; and a component B which is an acid solution curing neutralizer. According to the sand-fixing and dust-suppressing agent, the sand-fixing and dust-suppressing method and the desert improvement method provided by the invention, the sand-fixing and dust-suppressing agent has characteristics of rapid consolidation, neutrality, temperature resistance and long duration period, and a tough solidified layer can be formed; and the solidified layer can exerts effects of preventing wind erosion, fixing sandand suppressing dust, can maintain underground moisture, also can provide nutrients needed for growth of vegetation, and can improve a desert environment.

The invention relates to a mountainous-area protecting meadow building method of arid areas, which comprises selecting plant varieties suitable for mountainous-area environmental characteristics, building a protecting strip and an isolation strip on the periphery of an artificial meadow and in the meadow at an early period, and technical measures including widths of the protecting strip and the isolation strip, variety allocation, space sequences (positions), planting intervals, an irrigation method and the like are designed through orthogonal tests. Protecting effects are provided for growth of grass by building the peripheral protecting strip of the mountainous-area protecting meadow and the internal isolation strip, hazards of sand blown by wind and strong wind weather on sprouting and growth of the grass are reduced to maximum extent, survival rate of the grass and yield of the meadow are improved, and success of mountainous-area artificial meadow building under the dry desert environment is promoted. The mountainous-area protecting meadow building method of the arid areas is the optimum technical mode of mountainous-area meadow building of arid areas and achieves high increase of grass survival and yield in mountainous-area artificial meadow building of the arid areas.

A thermal camouflage material for use on a tank or other military vehicle in a desert environment includes an outer layer of knitted fiberglass alone or with polyester having an outer coating of PVC and carbon black, and an inner film of aluminum; and an inner layer defined by a three-dimensional decoupling fabric between the aluminum film on the outer layer. The decoupling fabric is formed of outer and inner polyester mesh films with polyaramid sandwiched therebetween.

The invention provides a cave system type water and soil loss monitoring method and an apparatus thereof. The method comprises the following steps: carrying out tracing researches to determine a superimposed soil point position corresponding to a cave water and soil loss point; collecting the superimposed soil point corresponding to the cave water and soil loss point; monitoring the water and soil loss of the cave water and soil loss point, and sampling the cave water and soil loss point; carrying out experiment analysis on a collected water sample and a collecting soil sample; and analyzing and processing obtained data to obtain a conclusion. Important references are provided for researching the underground water and soil loss of rocky desert areas and systemically researching the water and soil loss of the earth's surface in order to provide scientific basis for monitoring and evaluating rocky desert environment and assessing treatment benefits. The method and the apparatus belong to the field of rocky desert environment researches.

The invention discloses a water collection device applicable to a desert environment. The water collection device comprises an air filtering device, a condensing cavity body and a water collection device body, wherein radiator grid sheets are uniformly distributed in the air filtering device; the condensing cavity body is arranged at the back of the air filtering device; the condensing cavity bodyis connected to the water collection device body; the water collection device is characterized in that the condensing cavity body comprises an air intake end, a water collection end and an air discharge end sequentially from front side to back side; cross sections of the air intake end, the water collection end and the air discharge end are sequentially diminished, and the condensing cavity bodyis integrally represented as a structure which is gradually shrunken; water collection needles are arranged in the water collection end; the water collection needles are of conical structures which are provided with tip ends at the tops; polymer fiber wires wind the outer surfaces of the water collection needles in a spiral form; a gutter way is formed between two polymer fiber wires; and the water collection device body is connected to the lower ends of the water collection needles.

The invention discloses a gene KerA with the function of degrading complex structural proteins, which is found from desert environment strains. The invention constructs a recombinant vector containingthe gene and expresses the recombinant vector in prokaryotic host cell Escherichia coli. Experiments show that the gene can degrade the function of complex structural proteins after being expressed in prokaryotic host cells, and can be used in protease-catalyzed biodegradation and related industrial production.

The invention provides a preparation method of a multi-color electrochromic thin film with a tin dioxide/vanadium pentoxide core-shell structure. The preparation method comprises the following steps that a stannous chloride dihydrate compound is dissolved into an aqueous solution of hydrochloric acid and mercaptoacetic acid, then the mixture is added into a reaction kettle with a conductive substrate, and after hydrothermal reaction, high-temperature heat treatment is carried out to obtain a uniformly-grown tin dioxide nanosheet array; and vanadyl sulfate hydrate is treated as a vanadium source, vanadium pentoxide is deposited on the tin dioxide nanosheet array by using a constant potential method, and finally heat treatment is carried out in the air to obtain the multi-color electrochromic thin film with the core-shell structure. According to the preparation method, tin dioxide nanosheets are perpendicular to the substrate, grow uniformly and are distributed uniformly, and the vanadium pentoxide uniformly fills gaps of the nanosheets and is coated on the surfaces of the nanosheets. The composite thin film has excellent cycling stability and electrochromic performance, the rapid reversible transformation can be realized among blue, green and yellow, and the thin film is expected to be applied to the field of self-adaptive camouflage of marine, oasis and desert environments.

The invention provides fireproof wind-sand-resistant paint for a desert environment wood ancient building and a preparation method of the fireproof wind-sand-resistant paint. The paint comprises a component A and a component B, wherein the mass ratio of the component A to the component B is 1:2; the component A is prepared by adopting the following ingredients in parts by weight: 90 to 120 parts of acrylic polyurethane aqueous dispersion, 0.5 to 1.5 parts of a thickening agent and 5 to 20 parts of deionized water; the component B is prepared from the following ingredients in parts by weight: 2 to 8 parts of PMA, 0.5 to 5 parts of a dispersion agent, 0.2 to 0.8 part of a defoaming agent, 10 to 30 parts of deionized water, 10 to 40 parts of superfine talcum powder, 10 to 40 parts of kaolin, 10 to 30 parts of iron oxide red and 0.8 to 1.2 part of dimethyl methyl phosphonate. The combination force between the prepared paint and an iron tower foundation body is strong, and the prepared paint is environmentally friendly, has wind-sand impact resisting property and can meet the protection requirement of the desert environment wood ancient building. The paint is simple to produce and good in construction performance and does not need high-temperature curing and is rapid to dry at room temperature.

The invention discloses a construction method for a desert photovoltaic power station system. The method comprises the following steps: in 5-10 days before plants are planted, leveling a construction land for a photovoltaic power station, and then applying fertilizers and watering, wherein the content of organic matters in soil is 0.8-1.2% by mass; watering the obtained construction land for the photovoltaic power station, wherein the relative humidity of soil is 50-80%; sowing first herbal plant seeds under photovoltaic panels, sowing second herbal plant seeds among the photovoltaic panels, and transplanting shrubs at the periphery of the photovoltaic panels; and carrying out field management on the planted first and second herbal plants and shrubs. The invention further provides the desert photovoltaic power station system obtained by the method. By adopting the technical scheme, the construction method disclosed by the invention can be used for improving the survival rate of plants, and the desert photovoltaic power station system obtained by the method can be further used for preventing wind and fixing sand and improving the desert environment while protecting the photovoltaic power station.

The invention discloses a wind driven generator comprising a track pushing device, and relates to the wind driven generator. The wind driven generator comprises a base, a support column and a power generation platform; the wind driven generator is arranged on the power generation platform; the base comprises a platform base and a support base; multiple direct passing grooves are formed in the bottom of the platform base; the direct passing grooves are distributed in a concentric circle form by multiple laps, and are provided with screw rods inside; fixers are spirally rotationally arranged onthe screw rods, and are fixed in the direct passing grooves; the screw rods extend into the support base; rotating motors cooperating with the screw rods are arranged in the support base; the platformbase and the support base can move up and down; the wind driven generator can be stored in the platform base; and a track pusher is arranged at the bottom of the support base. Compared with the priorart, the wind driven generator is suitable for desert windy regions; and the generator can be automatically stored before coming of the sand storm, and is automatically released after the sand stormis finished, so that the damage of the generator caused by sandy dust and strong breeze is prevented, and the problem of incapability of using the wind driven generator for a long time under the desert environment is solved.

The invention relates to the field of petroleum drilling equipment and in particular relates to a novel rapid moving drilling rig derrick base structure. The novel rapid moving drilling rig derrick base structure comprises a base and a derrick, wherein a rear trailer and a trailer frame which can be detached are arranged at the rear end and front end of the base, respectively; the derrick is arranged on the base and can be kept at a vertical state or a horizontal state on the base; a jacking device through which the base and the trailer frame can lift in the vertical direction is arranged on the base and the trailer frame. The invention aims to provide a novel rapid moving drilling rig derrick base structure which is short in detachment time, large in transport height, suitable for a desert environment and high in moving efficiency.