424 results about "Natural environment" patented technology

The invention relates to the technical field of electronic component rain test, and discloses electronic product waterproof test equipment, which comprises a test box body, a cylinder and a water pipe, a turntable is arranged in the test box body, a rotating shaft is mounted on the turntable, a cavity is formed in the test box body, and a servo motor is fixedly mounted in the cavity. An electric push rod is fixedly mounted at the output end of the servo motor, and an electronic component is further arranged on the turntable; a support is fixedly installed in the test box body, a water storage frame rotationally connected with the support is installed on the support, and a wave making mechanism is further arranged in the water storage frame. According to the electronic product waterproof test equipment, through the collaborative design of a triangular arc-shaped protruding block and a wave making floating body, a soaking test is upgraded from static water level simulation to dynamic wave impact; the arc-shaped protruding blocks intermittently impact the rolling wheels, rapid resetting of the floating body is achieved through the spring mechanism, the dynamic hydraulic action of water fluctuation on electronic components in the natural environment can be reproduced, and the limitation that traditional equipment can only achieve static soaking is overcome.

The invention provides a foreign matter intelligent identification and dynamic monitoring method based on remote sensing data fusion, and belongs to the field of image identification. The problem of low foreign matter recognition efficiency is solved; the method specifically comprises the following steps: acquiring and extracting fusion features of remote sensing pictures of various road foreign matters; similarity learning is carried out on the fusion features, and a high-dimensional index structure is established; acquiring a real-time remote sensing picture on the road, and judging whether foreign matters exist on the road or not; if so, marking a foreign matter; if not, not processing; acquiring a historical natural image of a target area, designing a time sequence feature analysis module, a spatial feature analysis module and a spatio-temporal joint prediction module, and outputting a natural environment prediction image of the target area at a future moment; acquiring an actual remote sensing image, and marking an abnormal region in the actual remote sensing image according to the natural environment prediction image; according to the method, the foreign matter recognition efficiency is improved through obtaining and feature extraction of the remote sensing images in the road and natural environment of the target area.

The invention discloses a bacteriostatic and antiviral bamboo pulp paper-based sanitary isolation bag as well as a preparation method and application thereof, and belongs to the field of functional paper-based packaging materials. The isolation bag takes bamboo pulp fiber paper as a base material, and the surface of the isolation bag is coated with a water-based polyhydroxyalkanoate functional coating. According to the preparation method, a special polyphenol derivative-chitosan quaternary ammonium salt-nano zinc oxide organic-inorganic hybrid factor is introduced, and the problem of agglomeration of nano particles is effectively solved by utilizing the special bridging effect of polyphenol, so that high-density cation capture and oxidation inactivation sites are constructed on the surface of the coating. Compared with the prior art, the method has the advantages that the method does not need to depend on organic fluorine compounds, and the excellent waterproof and oil-proof barrier effect and the efficient inactivation of viruses can be achieved only through the extremely low coating amount. In addition, the isolation bag has unique environmental chemical responsiveness, can be efficiently dissociated under the alkaline condition to facilitate repulping recovery, can be completely biodegraded in the natural environment, and perfectly considers the requirements of biological safety protection and green environmental protection.

The invention discloses a multi-scenario land utilization carbon reserve simulation method based on combination of deep learning and a PLUS-InVEST model. The method comprises the following steps: collecting and preprocessing historical land utilization, natural environment and social economic data; analyzing land utilization change characteristics; optimizing an LEAS module of the PLUS model by using a deep neural network, excavating a nonlinear relationship between land utilization expansion and driving factors, and generating an expansion probability graph; configuring a neighborhood weight and a transfer matrix of the CARS module; predicting future land utilization requirements under different scenes by adopting a long-short-term memory neural network; inputting the demand into a CARS module, and simulating and generating a future land utilization space pattern under multiple scenes in combination with differential constraint conditions; based on the InVEST model carbon reserve module and the carbon density data, calculating, comparing and analyzing the carbon reserve of each scene; and outputting a result, carrying out precision verification, and proposing a land utilization planning and carbon regulation strategy. According to the method, the land utilization simulation precision and the carbon reserve evaluation scientificity are improved, and decision support is provided for regional low-carbon land utilization.

The invention relates to the technical field of building design, in particular to an ancient building visual color matching method, which comprises the following steps of: 1, acquiring multi-source data; step 2, color feature extraction; 3, constructing a historical color knowledge base; step 4, constructing a color matching model; and step 5, performing three-dimensional visual rendering. According to the historic building visual color matching method, qualitative analysis of'regional culture-natural environment 'is converted into quantitative collection of multispectral images and three-dimensional point clouds, and spatial accurate positioning of color features is achieved; a standardized knowledge base containing historical periods and technologies is constructed, and the fragmentation problem of traditional color matching experience is solved; through physical realistic rendering, the method is expanded to color simulation of the ancient building under different climate conditions, and the recovery credibility is improved.

The invention discloses environment-friendly cassava cat litter and a preparation method thereof, and belongs to the technical field of pet supplies, and the environment-friendly cassava cat litter is prepared from the following raw materials in parts by weight: 45-55 parts of cassava starch, 20-30 parts of cassava peel, 8-15 parts of corn starch, 8-12 parts of water hyacinth fiber, 5-10 parts of bamboo fiber, 2-4 parts of propolis and 1.5-3.0 parts of mussel mucin. The raw materials are subjected to step-by-step synergistic enzymolysis and step-by-step fermentation to obtain the environment-friendly cassava cat litter. According to the mode, natural raw materials are combined, and the preparation process of step-by-step enzymolysis and step-by-step fermentation is adopted, so that the antibacterial performance and water absorption performance of the cat litter are improved, the defecation comfort and cleanliness of pet cats are improved, sanitation and health of pets and family environments are guaranteed, meanwhile, the product can be completely degraded in the natural environment after being used, and the environment is protected. The cat litter does not generate permanent solid waste like bentonite and silica gel cat litter, and is very environment-friendly.

The invention provides a wetland ecological restoration effect comprehensive evaluation method and system, and belongs to the technical field of big data analysis. According to the method, real-time data of multi-dimensional ecological elements such as water turbidity, vegetation coverage density and soil acidity and alkalinity are collected, a multi-dimensional element correlation matrix based on time sequence correlation is constructed, and the dynamic change frequency of each element is captured. Core influence factors are screened by quantifying the contribution degree of each element to ecological restoration, weight distribution corresponding to clustered element clusters is determined, and then an accurate quantitative score is generated and mapped into a clear restoration condition level through multiplication and summation of inter-cluster correlation coefficients and weights item by item. Meanwhile, an evolution track is compared and analyzed by combining historical time sequence data, and the weight is dynamically adjusted to ensure that evaluation adapts to an actual repair process. The comprehensive, dynamic and accurate evaluation of the wetland ecological restoration effect is realized, scientific support is provided for the accurate adjustment of the restoration strategy, and the fine management of the wetland and the sustainable development of the natural environment are guaranteed.

The invention provides a composition for luring bactrocera cucurbitae and application thereof, and relates to the technical field of green prevention and control of agricultural pests. The composition comprises the following active ingredients in percentage by weight: 10% of muscovone, 0.1% of heptanal and 0.1% of hexene. The main components of the composition all come from natural plant volatile matters, and the composition is easy to degrade in the natural environment, has no residual risk and is friendly to the ecological environment. Meanwhile, the composition has high safety to bees, pollination insects and other non-target organisms, and ecological side effects possibly brought by traditional chemical attractants are effectively avoided. According to the implementation of the method, an efficient and specific tool is provided for field monitoring of bactrocera cucurbitae populations, the occurrence dynamic of the bactrocera cucurbitae can be accurately mastered, the early warning capability is improved, a new technical path and an implementation basis are provided for promoting green comprehensive treatment of the bactrocera cucurbitae, and the method has good popularization and application prospects.

The invention provides a closed watershed lake water level evolution prediction method based on multi-source data, and relates to the technical field of hydrological resources. The method comprises the following steps: firstly, collecting natural environment and social economic multi-source data of a closed drainage basin, and constructing a normalized multi-source feature input matrix; carrying out total element analysis on the features and extracting a nonlinear response threshold value; and meanwhile, Mantel statistical test is executed on the feature matrix to obtain a statistical correlation coefficient. And judging the characteristics which simultaneously meet the statistical significance and mechanism threshold conditions as real causal driven factors, and eliminating false related factors which are statistical significance but have no physical threshold. And finally, reconstructing a prediction model based on the screened causal-driven feature set, and outputting a water level evolution prediction value. Through'statistics-mechanism 'dual verification, interference of false correlation is effectively eliminated, the problem that a traditional black box model cannot distinguish causal and coincident trends is solved, and physical interpretability and robustness of water level prediction are remarkably improved.

The invention discloses a combined cadmium telluride photoelectric curtain wall structure and a construction method thereof, relates to the technical field of wastewater treatment, and aims to solve the technical problem that a current combined cadmium telluride photoelectric curtain wall is easily influenced by the natural environment. Comprising a plurality of mounting parts, a mounting frame mechanism fixed on the mounting parts and a same-color frame arranged on the front surface of the mounting frame mechanism; the mounting frame mechanism comprises a side vertical beam, a middle vertical beam, a first cross beam and a second cross beam, the first cross beam and the second cross beam are mounted between the side vertical beam and the middle vertical beam, and the same-color frame comprises a side barrier strip, an upper barrier strip, a lower barrier strip and a middle barrier strip which are used for shielding the mounting frame mechanism. The photovoltaic module has the advantages that dust adhesion is reduced through the design of the air cavity and the air port, the arc-shaped barrier strip and the water tank rapidly drain water, the rectangular-ambulatory-plane sealing groove is matched with the sealant for multiple protection, the Sudoku structure is stably installed, the same-color frame gives consideration to decoration and circuit protection, the influence of the natural environment is effectively resisted, the photoelectric conversion efficiency is maintained, the waterproofness is improved, and the service life is prolonged.

The invention relates to the technical field of rubber products, and particularly discloses a rubber composition with high thermal conductivity and heat dissipation and a preparation method thereof. The rubber composition with high thermal conductivity and heat dissipation is prepared from the following raw materials in parts by weight: 120 to 125 parts of rubber base material, 35 to 45 parts of carbon black, 1 to 3 parts of thermal superconducting filler, 1 to 2 parts of sulfur, 3 to 4 parts of accelerant, 4 to 7 parts of activating agent and 3 to 4 parts of anti-aging agent, the thermal superconducting filler comprises a graphene modified filler and aluminum oxide whiskers. The rubber composition with high heat conduction and heat dissipation can be used for military vehicles, has excellent heat conduction and heat dissipation performance, can quickly export heat generated by rubber products, effectively improves the concealment of the military vehicles in complex environments such as forests, deserts and snowfields, is not easily detected by infrared rays, helps the vehicles to better merge into the natural environment, and has good application prospects. And the concealment and the survivability of military actions are enhanced.

The invention discloses a deep and large foundation pit deformation monitoring method based on multi-modal data fusion, and the method comprises the steps: monitoring the natural environment of a target foundation pit, obtaining monitoring data, and obtaining an initial data monitoring set of the target foundation pit; according to the initial data monitoring set of the target foundation pit, constructing a foundation pit state description model for describing the target foundation pit to obtain a collapse risk value of a corresponding foundation pit collapse test; performing data reprocessing according to the collapse risk value, and constructing a collapse risk influence parameter relationship network for describing the foundation pit collapse test; performing target foundation pit collapse risk analysis and assessment through the collapse risk description graph to obtain a corresponding collapse risk assessment description; and a collapse risk warning model is set according to the collapse risk assessment description, and deformation monitoring and early warning are conducted on the target foundation pit. According to the scheme, through multi-parameter dynamic trend analysis, a collaborative change rule among different parameters is captured, a multi-scene test is carried out by constructing a three-dimensional model, and key risk factor combinations in different construction stages can be identified.

The invention relates to an urban gas risk dynamic sensing method, device and equipment and a medium, and belongs to the technical field of gas safety monitoring, and the method comprises the steps: extracting an entity from multi-source data; wherein the multi-source data comprises gas data and external environment data; the entities comprise a gas facility entity, a construction facility entity and a natural environment element entity; determining a relationship between entities; wherein the relationship comprises a physical connection relationship, a space threat relationship and an environment coupling relationship; taking the entities as nodes, and connecting the nodes according to the relationship to generate a heterogeneous graph; and predicting the urban gas risk according to the isomerism map. According to the method, the gas side data and the external environment side data are fully fused, secondary gas disasters caused by construction, extreme weather and the like can be early warned, and the accuracy and timeliness of urban gas risk prediction are improved.

The invention relates to the technical field of biological fireproof forests, and discloses a design method for a biological fireproof barrier forest belt, which comprises the following steps of: 1, designing a biological fireproof forest belt based on the canopy density of 0.2-0.5 of a broadleaf mixed forest by taking the existing forest stand type as the broadleaf mixed forest, screening suitable fireproof tree species by integrating site conditions, natural environment and hydrothermal conditions of the biological fireproof forest belt of the broadleaf mixed forest; 2, cleaning and soil preparation are conducted on a biological fireproof forest belt to form a hole belt-shaped area, comprehensive complementary planting is conducted on fireproof tree species, the complementary planting density of a broad-leaf mixed forest is 2520 plants per kilometer as tree planting points, the fireproof tree species are planted in the hole belt-shaped area through the tree planting points, and the fireproof tree species are planted in the hole belt-shaped area; after planting, a compound fertilizer is used for topdressing, so that the fireproof tree seeds absorb fertility to accelerate the growth speed.

This invention discloses a device and method for the propagation, release, and rewilding training of large yellow croaker fry, relating to the field of marine biological resource conservation technology. The device includes: a water tank containing water, with multiple artificial reefs placed inside; a light source positioned above the water tank; multiple wave-making pumps evenly distributed along one side of the inner wall of the water tank; a release structure for releasing predator pheromones into the water tank; a camera mounted on the inner wall of the water tank; and a controller electrically connected to the camera, light source, and wave-making pumps. The camera collects behavioral characteristic information of the large yellow croaker during rewilding training and sends this information to the controller. A fish behavior analysis system comprehensively analyzes the swimming and reef usage of the large yellow croaker fry in the water tank to determine the effectiveness of the rewilding training. The advantages of this invention are enhanced ability of large yellow croaker fry to adapt to the marine environment and improved survival rate of released fry.

The application discloses a kind of based on stirling machine's emergency water collecting equipment, including condensing unit and water storage unit, and water in water-containing air is condensed to form liquid water droplets by the top condensing unit work, liquid water droplets from the condensing unit drop into bottom water storage unit and realize the collection of pure water.The relatively pure water is efficiently obtained in natural environment by the stirling device, without the fire source and other dangerous factors of distillation, safer and more efficient;The purity is higher than that of filtration and sedimentation;Compared with solar distillation, the device does not need to consider the sun angle, temperature and other conditions, and has wider application conditions and higher efficiency;The temperature of the produced water is low, the taste is better for drinking, and the rotation speed is limited by disassembling the speed limiting device for ice making, preservation or treatment in emergency.

The invention relates to a whole-course artificial cultivation method for bamboo borers. The method comprises the steps of female and male egg recognition and screening, artificial incubation, cultivation carrier preparation, larva transplantation, larva cultivation and the like. According to the method, the male and female eggs are accurately distinguished according to the appearances of the eggs, the high-quality female eggs are screened for incubation, and the technical defects of uneven matching of the male and female eggs, low mating rate, poor survival rate and limited yield in the existing natural cultivation are solved by means of controlling the incubation temperature and humidity, optimizing the cultivation carrier and transplanting conditions, artificially regulating the adult mating environment and the like; the survival rate of the bred bamboo borer eggs reaches 90% or above, the stocking survival rate of larvae also reaches 90% or above, the yield is 20 times that of an existing natural breeding technology, operation is easy, the cost is controllable, the method is suitable for large-scale popularization, the win-win situation of ecological protection and economic benefits is achieved, the method has extremely high practical value and market prospects, bamboo cannot be damaged by breeding, and disease and pest spreading is avoided. And economic benefits are achieved on the premise of protecting the natural environment, and the concept of green development is met.

The invention relates to the technical field of carbonate rock detection, and discloses an environment control device for simulating carbonate rock weathering under freeze-thaw cycle, which comprises an environment simulation cabinet, a water tank is fixedly mounted in the control cabinet, a water pump is fixedly mounted in the water tank, and the output end of the water pump is fixedly connected with a valve. The valve is connected with a spraying mechanism and an atomizing mechanism, a partition plate is fixedly connected to the interior of the environment simulation cabinet, a machine box is fixedly connected to the outer wall of the partition plate, a fan is fixedly installed in the machine box, and a refrigerating machine and a heating pipe are fixedly installed on the outer wall of the partition plate. By integrating core components such as a spraying mechanism, an atomizing mechanism, a refrigerating machine, a heating pipe and a fan, freezing and thawing circulation can be reproduced, complex natural conditions such as rain wash, high-humidity foggy days and natural wind power can be simulated, various weathering scenes of carbonate rocks in the natural environment are comprehensively covered, and an experimental platform which is more practical is provided for research of a weathering mechanism.

This application provides a method for track grinding and sludge removal, comprising: a grinding vehicle and a sludge suction vehicle moving to the work area; the grinding vehicle lowering its grinding device and reciprocating between the start and end points of the work area to perform grinding operations; when the grinding vehicle reaches the end where the sludge suction vehicle is located, the sludge suction vehicle lowers its waste collection device; when the grinding vehicle turns back from the end where the sludge suction vehicle is located, the sludge suction vehicle follows the grinding vehicle to perform sludge suction operations. Using the above-mentioned track grinding and sludge removal method can effectively reduce maintenance time during track closures, improve grinding efficiency, achieve fully automated grinding and cleaning, reduce cleaning personnel and labor intensity, and efficiently absorb grinding iron powder, dust, and other contaminants, protecting the natural environment and human health.

The invention relates to a preparation method and application of low-cost water and fertilizer slow-release functional hydrogel, and belongs to the technical field of new environment-friendly materials.The preparation method comprises the steps that polyacrylonitrile-containing acrylic old clothes and animal bones are smashed, then subjected to compression molding, pre-oxidized in an air atmosphere and finally subjected to a hydrothermal reaction, and the low-cost hydrogel is obtained. The prepared low-cost hydrogel is high in water content, durable in water retention, rich in nitrogen, phosphorus, potassium and other elements necessary for plant growth, long in water and fertilizer slow release time and used for desert control and greening. According to the method, waste such as old clothes and waste bones which are difficult to degrade in the natural environment is prepared into the hydrogel material suitable for plant growth, and the hydrogel material is used for desert greening and desertification control, has economic significance and environmental significance and is relatively feasible.

The application provides a visual device for rock single fracture solute migration under cyclic temperature variation, comprising: a transparent fractured rock mass, comprising upper and lower transparent fractured rock masses each provided with a rough fracture surface, and the upper and lower transparent fractured rock masses are placed in opposition to form a single fracture channel; a cyclic temperature variation assembly for simulating the cyclic temperature variation phenomenon in a natural environment; a solute concentration monitoring assembly for injecting a fluorescent reagent solution into the single fracture channel, visualizing the solute migration in the single fracture channel based on laser-induced fluorescence, and monitoring the solute concentration in the single fracture channel; a fracture temperature monitoring assembly for monitoring the temperature change inside the single fracture channel under the cyclic temperature variation based on a fiber Bragg grating sensor; and a data processing unit connected with the cyclic temperature variation assembly, the solute concentration monitoring assembly and the fracture temperature monitoring assembly. The application can simultaneously visualize and monitor the solute exchange concentration, flow characteristics and thermodynamic characteristics in the fracture.

The invention belongs to the technical field of disease and pest control, discloses application of tyrosine hydroxylase as a target spot in prodenia litura pest control for the first time, screens out a dopamine synthesis inhibitor AMPT aiming at tyrosine hydroxylase, and develops a technology for efficiently controlling prodenia litura. According to the technology, AMPT is injected into the fourth-instar larvae of the prodenia litura, and the melanin deposition of the exoskeleton of the larvae is reduced, the color of the body surface becomes light and the athletic ability is remarkably reduced by utilizing the dopamine synthesis inhibition function of AMPT. On one hand, reduction of melanin deposition weakens the environmental adaptability of pests, and the exposure risk of the pests in the natural environment is increased; on the other hand, the migration behavior of the pests is directly influenced by the decline of the exercise ability, and the population diffusion and hazard range of the pests are limited. The dual-action mechanism reduces the environmental adaptability and survival competitiveness of the pests, and provides a new strategy for green prevention and control.

Electric heating clothing typically includes an electric heater and a battery. Battery energy is finite, and if the battery supplying energy to heat the clothing discharges in extremely cold weather, the user's health and life are at risk. This invention discloses a system for electric heating clothing, comprising means for converting energy present in the surrounding natural environment into electrical energy for heating the clothing and extending its heating cycle. The energy is obtained using one or more means selected from wind-induced vibration, acoustic vibration, ambient air humidity, snow friction generators using snow, temperature fluctuations in ambient air, and the temperature difference between the ground surface temperature and the ambient air temperature.

The invention provides a facial expression recognition method based on multi-level feature extraction and fusion in a natural environment. The method is characterized by comprising the following steps: (1) a feature extraction module: carrying out convolution calculation by using three different convolution kernel scales and dense blocks with DenseNet as a backbone network to generate facial expression feature maps (Feature Maps) at a low level, a middle level and a high level; different dense blocks are connected through transition layers; (2) a feature fusion module which performs global attention and local attention processing on the processed high-level feature map and low-level feature map after element addition calculation so as to generate a fused facial expression feature map; and (3) optimizing a strategy: adopting a strategy of combining a smooth label (Label Smoothing) and L2 regularization to avoid over-fitting.

The invention relates to the technical field of fosthiazate medication popularization, and provides a fosthiazate microcapsule suspending agent detection system, method and equipment, the system comprises: a detection platform for detecting related technical parameters of a certain batch of fosthiazate microcapsule suspending agents; the server is used for receiving and storing the related technical parameters, responding to a technical requirement instruction of a target user, generating a medication technical scheme of the fosthiazate microcapsule suspending agent according to the related technical parameters, and sending the medication technical scheme to the user side for medication popularization; and the user side is used for generating a technical demand instruction based on the soil parameters input by the target user, sending the technical demand instruction to the server, and receiving and displaying the medication technical scheme sent by the server. A scientific and reasonable pesticide application scheme of the fosthiazate microcapsule suspending agent can be provided for a user, the technical threshold of agricultural planting is reduced, excessive residue of fosthiazate and pollution to the natural environment possibly caused by pesticide application depending on personal experience of the user are reduced, and the fosthiazate microcapsule suspending agent has good market prospects and agricultural technology popularization and application values.

The invention relates to a preparation method of a degradable bio-based packaging material. The degradable bio-based packaging material comprises the following raw materials in parts by weight: 50-80 parts of a biomass raw material; 12-43 parts of an auxiliary material; 5-18 parts of a functional material; 1-9 parts of a bacterial strain; comprising the following steps: 1, pretreating a biomass raw material to obtain the biomass raw material for later use; 2, adding the biomass raw material obtained in the step 1 into a mixing box, adding auxiliary materials into the mixing box, and stirring and mixing to obtain a fermentation substrate; step 3, mixing the strain and the fermentation substrate according to a ratio of 1-10, and then culturing to obtain a culture material; 4, the culture material is subjected to water washing desugaring, drying and smashing and then mixed with part of the functional materials, and the final base material for preparing the packaging material is obtained. Biomass raw materials, auxiliary materials and the like are adopted for preparing the packaging material, so that the packaging material can be completely degraded in the natural environment, white pollution is not caused, and the packaging material can be degraded by 90% or above within 6 months in the natural environment.

This application relates to the field of children's playground technology and discloses a children's activity area based on a suspended walkway. The activity area includes a ground surface, a suspended walkway on the ground surface, and a movable house on the ground surface, located on one side of the suspended walkway. The movable house includes a single-story building with a second-story building on top. This children's activity area based on a suspended walkway, through the movable house, the first climbing frame inside the movable house, and the slide on one side of the suspended walkway, fully utilizes vertical space. The three-dimensional design of the activity area based on the suspended walkway allows for more diverse playground facilities within a limited ground area. The activity area features various playground facilities, providing children with more challenging and fun play experiences. The suspended walkway within the park enhances the interaction and integration with the natural environment.

The invention discloses an abandoned mine slope stability monitoring device and method, and relates to the technical field of abandoned mine slope stability monitoring, the abandoned mine slope stability monitoring device comprises a fixed ring plate, the top of the fixed ring plate is fixedly connected with a mounting rod, and the bottom, close to the end, of the mounting rod is fixedly connected with a suspender. According to the abandoned mine slope stability monitoring device and method disclosed by the invention, when the abandoned mine slope stability monitoring is carried out, the contact type monitoring plate is directly placed at the slope, and the contact type monitoring plate is in close contact with soil at the slope under the action of the counterweight ball and the embedded ground gripping teeth; the stability of the abandoned mine slope is known through the change of the contact type monitoring plate, the method is visual and simple, various precise instruments are not needed for real-time monitoring, the monitoring device put into use does not need long-term maintenance, the method is suitable for various natural environments, the application range is wide, and the monitoring precision and accuracy of the device cannot be affected by the advantages and disadvantages of the environment. And the accuracy of a monitoring result is improved.

This invention relates to the field of sludge treatment technology, and more specifically, to a biodegradable green sludge dewatering drainage board, comprising: a biodegradable drainage board structure, the biodegradable drainage board structure including: a glue-free straw core board and a biodegradable filter membrane wrapped around the glue-free straw core board; one or more longitudinal grooves are formed on the glue-free straw core board to allow water flow, so that water filtered through the biodegradable filter membrane flows in the drainage channel formed between the longitudinal grooves and the biodegradable filter membrane. Both the glue-free straw core board and the biodegradable filter membrane are biodegradable. The glue-free straw core board itself is a natural material, contains no glue, and can be gradually decomposed by microorganisms in the natural environment, preventing incomplete degradation. In stark contrast to traditional plastic drainage boards, this invention avoids the long-term environmental pollution problems caused by non-biodegradable plastics, conforms to the current concept of environmental protection and sustainable development, and helps reduce soil and water pollution, protecting the ecological environment.

The utility model relates to the field of test boxes, and discloses a multifunctional soil test box for engineering detection, which comprises a box body, a sliding groove is arranged on the side surface of the inner wall of the box body, a sliding frame is slidably connected to the inner wall of the box body, a sliding block is fixedly connected to the side surface of the outer wall of the sliding frame, and a water seepage hole is arranged at the bottom of the inner wall of the sliding frame. An inclined air opening is formed in the top of the inner wall of the box body, a fan is fixedly connected to the top of the outer wall of the box body, a heating wire is arranged at the top of the inner wall of the box body, and a water storage tank is slidably connected to the bottom of the inner wall of the box body. According to the utility model, through the arrangement of the sliding frame, the water seepage hole, the inclined air port, the fan, the heating wire and the water storage tank, when rock soil is detected, the rock soil is uniformly laid in the sliding frame, a proper amount of water source is uniformly sprayed on the rock soil, then the door plate is closed, and the fan and the heating wire are started, so that the inner wall of the box body simultaneously simulates normal-temperature, air-drying and high-temperature tests; therefore, the water seepage amount of rock soil in different natural environments can be detected.