23 results about "Rock weathering" patented technology

The invention discloses a method for quantifying response of two carbon utilization modes of microalgae to weathered carbon sink of magnesium-containing silicate rock, which comprises the following steps: culturing two groups of microalgae under the same culture condition, adding magnesium-containing silicate rock and microalgae into one group, and setting an inhibitor (AZ / DIDS) added with a certain carbon utilization mode as an experimental group; and only magnesium-containing silicate rock and microalgae are added into one group as a blank group without adding an inhibitor (AZ / DIDS) of a certain carbon utilization mode. Setting the treatment group added with AZ (10mM) and DIDS (2mM) as an experimental group, and subtracting the weathering quantity of the magnesium-containing silicate rocks in the treatment group not added with AZ / DIDS and the treatment group added with AZ / DIDS to obtain the weathering quantity delta Ti of the magnesium-containing silicate rocks under the influence of the microalgae anion channel utilization mode, namely delta Ti = Ti-Ti (AZ / DIDS), and rock weathering carbon sink Qi = delta Ti under the influence of the microalgae anion channel utilization mode. Fitting a polynomial function Q = Q (i) to obtain the response function of the microalgae extracellular carbonic anhydrase mode or the microalgae anion channel utilization mode to the weathering carbon sink of the magnesium-containing silicate rock. According to the method, the rock weathering carbon sink quantity under the influence of two carbon utilization modes of the microalgae can be rapidly and accurately obtained. The invention provides the method for quantifying the response of the two carbon utilization modes of the microalgae to the weathered carbon sink of the magnesium-containing silicate rock so as to overcome the defect that the response of the two carbon utilization modes of the microalgae to the weathered carbon sink of the magnesium-containing silicate rock cannot be quantified in the prior art.

The invention discloses a side slope ecological regreening method for improving granite weathering based on microorganisms, and belongs to the technical field of side slope ecological restoration, and the side slope ecological regreening method comprises the following steps: S1, screening weathered strains; s2, intelligent irrigation; s3, slope green plants are planted; v-shaped grooves are engraved in the surface of the slope and filled with microorganism-granite weathering matrixes, and dominant strains are inoculated; planting amorpha fruticosa and herbaceous plants, and starting an intelligent irrigation system according to the dynamic model; monitoring rock mineral composition change, vegetation coverage rate and soil organic matter content; planting amorpha fruticosa and herbaceous plants, and starting the intelligent irrigation system according to the dynamic model. The method solves the problems that traditional slope rock weathering mainly depends on natural weathering, the speed is extremely low, plants growing on rocks easily break away from the surfaces of the rocks or die after absorbing nutrients completely, a basic soil environment is difficult to provide for vegetation growth in a short time, soil nutrients are deficient, the effectiveness is low, vegetation growth is limited, and the soil quality is poor. The ecological stability is influenced.

The invention discloses a mining disturbance and rock mass weathering degree evaluation method based on rock core length intelligent identification, and belongs to the technical field of mine safety monitoring and rock mass engineering detection, and the method comprises the steps: constructing a multi-layer neural network model, identifying a single rock core section from a rock core image before mining, and determining the rock mass weathering degree of the single rock core section; calculating the average length of the rock core before mining in different depth intervals of each drill hole; geometric parameter information of a slope surface structural plane after mining is measured, a discrete fracture network model is constructed, and the average length of a virtual drilling rock core after mining is obtained through a virtual drilling method; and converting the average length of the rock core into fracture density, and constructing a fracture density change rate to quantitatively evaluate the influence of mining disturbance and weathering on the rock mass. According to the method, the influence of engineering disturbance and weathering is effectively separated from the total fracture development through the actual and virtual comparison thought, quantitative evaluation of the rock mass damage source is achieved, and the result is more accurate.

Technologies for modeling carbon dioxide removal include a compute device with circuitry configured to obtain parameter data for use in modeling carbon dioxide removal from the atmosphere through enhanced rock weathering. The circuitry may also be configured to produce, using one or more models from a library of models, at least one prediction indicative of an amount of carbon dioxide that will be removed through enhanced rock weathering, including simulating co-precipitation of iron with one or more toxic metals. Further, the circuitry may be configured to present a visual representation of the at least one prediction in a user interface. Other embodiments are also described and claimed.

Disclosed is a method comprising: mixing air 002 with water or a water-based solution in an evaporative cooling chamber 003, thereby reducing the temperature and increasing the relative humidity of th

This invention provides a method for predicting the weathering degree of open-pit mine slopes. In the field of dynamic weathering degree classification, the method includes: taking samples from the area to be evaluated to prepare multiple rock samples; conducting longitudinal wave velocity tests, uniaxial compression tests, and nitrogen adsorption specific surface area tests on the multiple rock samples; conducting XRD mineral diffraction tests on the multiple rock samples; obtaining a rock weathering degree classification standard based on the weathering grade of the rock samples under longitudinal wave velocity ratio conditions, the weathering grade of the rock samples under peak intensity ratio conditions, the rock porosity of the rock samples, and the rock alteration mineral content of the rock samples; and constructing a spatiotemporal evolution model of the weathering degree of open-pit mine slope rocks using the mining years as the target time series sample to predict the future weathering time and the weathering degree of rocks at the mining location.

The utility model belongs to the field of water body carbon sink detection, and provides a portable water body rock weathering carbon sink detector which comprises a bearing box body, a partition plate is arranged in the bearing box body, a collecting pipe and a carbon sink detector which are arranged in the bearing box body are arranged on the two sides of the partition plate respectively, bandages which are distributed at intervals are arranged in the bearing box body, and the carbon sink detector is arranged in the bearing box body. A buckle for fixing the collecting tube and the carbon sink detector is arranged between the two binding bands, and a handle is arranged at the top of the bearing box body; a plurality of sealing plates distributed at intervals are arranged in the collecting pipe, the interior of the collecting pipe is divided into a plurality of collecting cavities by the sealing plates, a collecting opening penetrating through the collecting pipe is formed in each collecting cavity, and a sealing assembly for blocking the collecting opening is arranged on each collecting opening; according to the utility model, the acquisition device is fixed in the acquisition box body, so that the device is convenient to carry, the safety of the device is improved, and meanwhile, the data accuracy is improved through multi-point acquisition.

The application discloses a kind of stone cultural relics weathering degree evaluation method and system based on high-definition photography technology, comprising: using high-definition close-range photography technology to photograph stone cultural relics, obtain the high-definition image of the stone cultural relics;Determine the weathering characteristic color scale of stone cultural relics;Using image processing technology, the high-definition image of the stone cultural relics is processed, weathering partition evaluation is carried out, the area of different weathering grades in stone cultural relics and the area ratio of the whole cultural relics are calculated;Assess the weathering degree present situation of stone cultural relics.The method uses image analysis technology to calculate the surface color weathering degree coefficient of stone cultural relics from three aspects of original rock weathering degree, water penetration surface and pigment weathering, and uses structural similarity SSIM algorithm to quantitatively calculate the overall weathering degree coefficient of stone cultural relics, to significantly evaluate the weathering degree of stone cultural relics, not only significantly improve the evaluation efficiency, but also solve the problem of quantitative evaluation, can intuitively show the weathering degree of stone cultural relics.

The utility model relates to the technical field of open caisson equipment, in particular to an open caisson structure suitable for a soft rock dynamic side slope, which comprises a retaining wall, the retaining wall adopts a cylindrical structure with an upper opening and a lower opening, a top ring is mounted at the top of the retaining wall, a stone laying layer is mounted at the bottom opening of the retaining wall, a winding pipe is arranged on the inner side of the retaining wall, and a well cover is mounted at the top of the top ring. A water pump support is placed on the well lid. In the open caisson structure suitable for the soft rock dynamic side slope, the retaining wall is of a structure that the concrete layer is poured outside the steel bar frame, and the overall bearing capacity and deformation resistance of the open caisson can be enhanced. Compared with a traditional open caisson, the open caisson can better adapt to complex geological conditions of a soft rock dynamic side slope and effectively resist influences caused by rock weathering and breaking and external load changes, so that side slope displacement is accurately controlled, the stability of the side slope in the long-term using process is guaranteed, and the risk of occurrence of disasters such as landslide is reduced.

The present disclosure relates to methods of verifying enhanced rock weathering using immobile trace elements found within a mineral amendment. Further disclosed are mineral amendments that enable enhanced rock weathering.

The invention belongs to the technical field of spectral analysis, and provides a water rock weathering carbon sink rapid detection method and system based on a spectrum technology, and the method comprises the following steps: distributing points in a research area according to gridding, and selecting representative sampling points to obtain water and rock samples; performing field spectral measurement and laboratory chemical analysis on the water body sample; removing impurities and grinding the rock sample for spectrum and chemical analysis; preprocessing the spectrum detection data of the two types of samples to extract a comprehensive characteristic spectrum wave band, and calculating the weathered carbon sink quantity through a quantitative relation model based on the comprehensive characteristic spectrum wave band to obtain a detection result; according to the method, water and rock spectrum information is integrated, the rapid detection characteristic of a spectrum technology is utilized, and an advanced data processing and modeling method is combined, so that efficient, comprehensive and accurate detection of water rock weathering carbon sinks is realized, reliable data support is provided for deeply researching a carbon circulation mechanism in a water rock weathering process, and the method is suitable for popularization and application. And the requirements of field on-site rapid detection and large-area detection are met.

This disclosure discloses a simulation system for rock weathering in an extreme environment of Mars. The simulation system for rock weathering in an extreme environment of Mars includes a vacuum chamber, a storage structure, a temperature simulation unit, a gas circulation simulation unit, a wind speed simulation unit, and an illumination simulation unit. This disclosure further discloses a simulation test method for rock weathering in an extreme environment of Mars. Compared with the prior art, the simulation system for rock weathering in an extreme environment of Mars prepared by this disclosure can synchronously simulate extreme environments such as a vacuum environment, an atmospheric environment, a temperature environment, an illumination environment, and a sand and dust environment on a surface of Mars, monitors changes such as mass, porosity, and surface deformation of the sample in the weathering process in the extreme environment of Mars of the simulation system.

The invention belongs to the field of rock weathering research, and particularly relates to a device and a method for simulating rock particle weathering in a dry and cold climate environment in a cold and cold mountain area. Solar radiation and temperature rise are simulated through the ultraviolet radiation lamp and the bath heater lamp, the condensation pipe devices are arranged on the periphery of the interior of the box body, rapid cooling is achieved, moisture of rock mass can be dried by arranging the air heater, and high-frequency freezing and thawing and dry-wet cycle conditions of the high-altitude mountainous area are reproduced by combining multi-sensor monitoring such as the air temperature and the slope surface temperature. The water power system sprays water from the upper portion in a directional mode, scouring of rainfall or ice and snow melting water flow with different intensities on rock particles is achieved, and hydraulic erosion of rock is simulated. Rock body particles are turned over through the vibration device below the rock body, so that different faces of the rock body can be weathered, and fine particles are easily generated through weathering. Through multi-factor coupling simulation, parameter adjustment and real-time monitoring technologies, the device provides an experimental platform for the research on the weathering mechanism of the rock mass in the high-altitude mountainous area under the actions of radiation, freeze thawing, dryness, wetness, weak water power scouring and the like.

The application relates to a rock mass quality rapid evaluation method, device and equipment and a readable storage medium, which comprises the following steps: obtaining target drilling parameters after a drilling machine drills into a rock mass to be measured; inputting the target drilling parameters into a preset rock hardness prediction model, a preset rock weathering prediction model and a preset rock mass integrity prediction model to obtain a target rock hardness comprehensive index, a target rock weathering comprehensive index and a target rock mass integrity comprehensive index; determining a target rock strength grade based on a mapping relationship between the target rock hardness comprehensive index, the target rock weathering comprehensive index and rock strength grades; determining a target rock mass integrity grade based on a mapping relationship between the target rock mass integrity comprehensive index and rock mass integrity grades; and determining a target rock mass quality grade of the rock mass to be measured based on a mapping relationship between the target rock strength grade, the target rock mass integrity grade and rock mass quality grades, so that drilling, rapid and accurate evaluation of engineering rock mass quality is realized.

The utility model relates to the technical field of rock weathering measurement, and particularly discloses a device for measuring the weathering corrosion denudation rate of a rock surface, which comprises a measurement frame, a protection measurement mechanism and a laser measurement sensor, the protection measuring mechanism comprises a square sliding groove formed in one side of the top of the measuring frame. According to the utility model, under the action of the measurement protection mechanism, the plurality of laser measurement sensors at the bottom of the mounting plate are attached to the top of the measurement frame, so that the laser measurement sensors are stably protected above the measurement frame, and then the laser measurement sensors can be stably protected above the measurement frame under the condition that the laser measurement sensors are not used; more dust is prevented from being attached to the outer wall, and correspondingly, the laser measurement sensor can be conveniently used for measurement, so that the working efficiency of a worker for measuring the corrosion denudation rate of rock surface weathering by using the laser measurement sensor is improved.

The application discloses a method for strengthening basalt carbon sequestration and application thereof, and belongs to the field of novel carbon sequestration technology. The application introduces a mixture of pyrolytic carbon and hydrothermal carbon to treat basalt particles, utilizes the characteristics of abundant pore structure and oxygen-containing functional groups of biochar, especially the role of the biochar as an electron donor, promotes the reduction and conversion of Fe (III) on the surface of basalt to Fe (II), thereby effectively inhibiting or destroying the iron-based passivation layer which hinders the weathering reaction; meanwhile, the local supersaturation is reduced by adsorbing and chelating Ca 2+ , Mg 2+ and the like, so that the dissolution reaction is continuously driven. Experiments show that the method can significantly improve the corrosion current density and dissolution rate of basalt in water phase, and greatly enhance the carbon capture and storage capacity of carbon dioxide in air. The application has the advantages of low cost, environmental friendliness, significant carbon sequestration and efficiency enhancement, and is suitable for farmland soil improvement and large-scale rock weathering carbon sequestration engineering.

The invention provides a buried soil water collection system, and belongs to the technical field of rock weathering carbon sequestration and salinized soil transformation and governance, a porous ceramic tube is buried in soil, a porous water absorption material and an extrusion assembly for extruding the porous water absorption material are arranged in the porous ceramic tube, and soil water adsorbed in the soil is absorbed by the porous ceramic tube under the capillary action, so that the soil water is absorbed by the porous ceramic tube; the soil water is adsorbed and transmitted to the porous water absorption material through the microporous structure of the porous ceramic tube, and the porous water absorption material can continuously adsorb and store the soil water. When the water storage amount in the porous water absorption material is sufficient, the extrusion assembly is driven by the driving device to extrude the porous water absorption material, so that the soil water stored in the porous water absorption material is extruded out, and the extruded soil water is drained to the water storage container through the water outlet holes in the porous ceramic pipe and the liquid guide pipe, so that the soil water is centrally stored in the water storage container. Therefore, the real soil water sample can be stably and efficiently collected for a long time under the field condition that the in-situ structure and the moisture dynamic state of the soil are not damaged.

The invention discloses a karst artificial forest heterohabitat coupling regulation and weathering promotion near-natural restoration method. The method comprises the following steps: firstly, dividing an under-forest region of a man-made forest which grows slowly in a karst rocky desertification region into a soil microhabitat and a rocky microhabitat; in the soil microhabitat, a vertical structure of leguminous arbor-herbaceous plant-microorganism is constructed to optimize and complement a vegetation efficient growth system supplied with multi-source nutrients; in the stony microhabitat, a'pioneer woody-moss-lava bacteria 'rock weathering promoting and plant rapid planting system is constructed, and a moss layer is constructed through'matrix-adhesive agent-moss'. Through regulation and control of key nodes of plants and microbial networks, biochemical weathering of the karst carbonate rocks is accelerated, the utilization capacity of the plants on rock source nutrients is remarkably enhanced, and the problem that the stability of a man-made forest is restricted due to lack of water and soil resources in the karst region is solved; the stable succession of the artificial forest ecosystem growing slowly to the near-natural community is promoted.

The invention provides leaching equipment for simulating chemical weathering of silicate rock powder under natural temperature and humidity conditions, and belongs to the technical fields of rock weathering and carbon sequestration enhancement, mineral fertilizer development and saline soil improvement and treatment. The invention provides leaching equipment for simulating chemical weathering of silicate rock powder under natural temperature and humidity conditions. The leaching equipment comprises a temperature control device, a leaching assembly, a rainfall simulation device, a temperature and humidity sensor and a controller, wherein the temperature control device comprises a support frame and a constant temperature box device arranged on the support frame. The leaching assembly comprises a leaching column arranged in the constant-temperature box device and a liquid collecting container arranged below the leaching column. The equipment can simulate a chemical weathering leaching experiment of silicate minerals under the conditions of natural rainfall and soil temperature and humidity in a controllable temperature and humidity environment so as to really simulate a chemical weathering process of the silicate minerals in a natural environment of saline-alkali soil; scientific basis and experimental support are provided for research and development of multifunctional silicate mineral conditioners, novel mineral fertilizers and saline-alkali soil improvement.

The application discloses a kind of electrical parameter calculation methods of orthometamorphic rock weathering crust, comprising: reading the conventional logging curve data of the depth corresponding to orthometamorphic rock weathering alteration index;Logging curve data and orthometamorphic rock weathering alteration index data are fitted into linear relationship chart;According to the correlation of the linear relationship chart of fitting, select the logging curve with high sensitivity of orthometamorphic rock weathering crust identification;The logging curve data with high sensitivity of orthometamorphic rock weathering crust identification is normalized;Fitting orthometamorphic rock weathering crust electrical parameter calculation formula;The logging curve data after normalization is brought into orthometamorphic rock weathering crust electrical parameter calculation formula.The present application is based on the analysis of a large amount of logging curve data, establishes a new orthometamorphic rock weathering crust electrical parameter calculation model, and proposes a new method for identifying orthometamorphic rock weathering crust.