22 results about "Weathering index" patented technology

The invention provides a weather index insurance scheme optimization and optimization degree evaluation method based on basis risk, and belongs to the technical field of agricultural insurance, and the method comprises the following steps: step 1, obtaining meteorological data of a place where an insured crop is located; step 2, obtaining actual loss of crops caused by disasters; step 3, obtaining the compensation amount obtained by the insuring crop location; step 4, obtaining the basic difference risk of the weather index insurance scheme and the basic difference over the years of the place where each insured crop is located; step 5, decomposing the base difference to obtain space, time and design base difference; step 6, optimizing a weather index insurance scheme; step 7, decomposing the ground base differences over the years into space, time and design base differences; step 8, obtaining the optimization degree of the weather index insurance scheme; and step 9, constructing F test statistics, and judging the significance of the optimization degree of the weather index insurance scheme. According to the method, basis difference quantitative decomposition, basis difference risk quantitative calculation, a weather index insurance scheme optimization method and an optimization degree evaluation method are introduced, and optimization of the weather index insurance scheme is promoted.

The invention discloses a regional resident load meteorological sensitivity analysis method, device and equipment based on fused meteorological indexes, and a medium, and relates to the field of power load characteristics, and the method comprises the steps: constructing a multi-factor fused meteorological index model of a single meteorological point, determining a multi-meteorological point fusion meteorological index of the target area according to the resident load proportion corresponding to the target area and a multi-factor fusion meteorological index model, and then constructing a target data set according to the multi-meteorological point fusion meteorological index and the resident load data; and segmenting the target data set to perform piecewise nonlinear regression analysis on the obtained target first data set and the target second data set, and determining the current residential load meteorological sensitivity of the target area through a target piecewise regression analysis function obtained through analysis and the target data set. Therefore, nonlinear segmented regression modeling and sensitivity analysis of the resident load and the fused meteorological indexes in the target area can be realized, and support is provided for refined analysis and management of the resident load.

The invention discloses a production method of 890MPa-grade fire-resistant and weathering-resistant steel with the thickness of 20-60mm. The 890MPa-grade fire-resistant and weathering-resistant steel with the thickness of 20-60mm is obtained by adopting a low-C and low-Mn component design, adding a proper amount of Cr, Ni, Mo and Cu alloy elements, ensuring relatively low carbon equivalent and welding crack sensitivity coefficient, ensuring grain refinement of a steel plate and stabilizing the yield strength in a required range through a reasonable production process, and ensuring that the 890MPa-grade fire-resistant and weathering-resistant steel with the thickness of 20-60mm has the advantages of high strength, high strength, high strength and the like. The yield strength at room temperature is larger than or equal to 890 MPa, the impact energy at-40 DEG C is larger than or equal to 150 J, the weather resistance index I is larger than or equal to 7.0, the high-temperature strength at 600 DEG C is larger than or equal to 2 / 3 of the room-temperature strength, and the obtained steel has good fire resistance, weather resistance and comprehensive mechanical performance. The application requirements of 890MPa-grade fire-resistant and weather-resistant steel are completely met, and the 890MPa-grade fire-resistant and weather-resistant steel can be widely applied to the fields of buildings, bridges, ships

The embodiment of the invention relates to the field of testing or analyzing materials by means of measuring chemical or physical properties of the materials, in particular to a method for determining the producing area of sandstone, which comprises the following steps: acquiring a sandstone sample to be determined and a control sample with a known producing area, determining illite, montmorillonite, chlorite, kaolinite, chlorite / montmorillonite mixed layer and illite / montmorillonite mixed layer content of the sandstone sample and the control sample; determining chemical weathering indexes of the sandstone sample and the control sample; determining the ratio of the content of SiO2 to the content of Al2O3 in the sandstone sample and the control sample; determining a classification function related to the producing area; and determining the production place of the sandstone sample according to the classification function, the chemical weathering indexes of the control sample and the sandstone sample, the ratio of the content of SiO2 to the content of Al2O3, and the content of illite, montmorillonite, chlorite, kaolinite, a chlorite / montmorillonite mixed layer and an illite / montmorillonite mixed layer. The method provided by the embodiment of the invention can effectively and accurately determine the producing area of the sandstone sample of which the producing area is to be determined.

The invention discloses a high-precision recovery marine facies compact limestone sedimentary environment and oil-gas dessert area prediction method. The method comprises the steps that S1, an argillaceous limestone phase, an argillaceous limestone phase, a mud-powder crystal limestone phase and a paste limestone phase are divided through X-ray diffraction and slice identification; s2, utilizing a chemical weathering index CIA, a Sr / Ca salinity index and delta 13Corg organic carbon isotope to synergistically recover paleo-climate and paleo-hydrological conditions; s3, combining total organic carbon TOC, organic matter maturity Ro, terrestrial input Al and Ti content and nanopore development degree, and establishing an organic matter-rich high-quality lithofacies evaluation standard; and S4, according to an evaluation standard, well drilling, well logging and seismic data are fused to predict the oil and gas sweet spot area. Through the four steps of lithofacies division, paleoenvironment recovery, evaluation standard establishment and dessert area prediction, high-precision recovery of the marine facies compact limestone sedimentary environment is realized, the dessert area prediction success rate is improved to 78%, and efficient technical support is provided for oil-gas exploration.

The embodiment of the invention relates to the field of testing or analyzing materials by means of measuring chemical or physical properties of the materials, in particular to a method for determining the producing area of sandstone, which comprises the following steps: acquiring a sandstone sample of which the producing area is to be determined and a control sample of which the producing area is known, determining the content of illite, montmorillonite, chlorite, kaolinite, chlorite / montmorillonite mixed layer and illite / montmorillonite mixed layer in the sandstone sample and the control sample; determining chemical weathering indexes of the sandstone sample and the control sample; determining the ratio of the SiO2 content to the Al2O3 content of the sandstone sample and the control sample; determining a production place distribution rule of the control sample; and determining the production place of the sandstone sample according to the chemical weathering indexes of the control sample and the sandstone sample, the ratio of the SiO2 content to the Al2O3 content, the illite content, the montmorillonite content, the chlorite content, the kaolinite content, the chlorite / montmorillonite mixed layer content and the illite / montmorillonite mixed layer content. The method provided by the embodiment of the invention can effectively and accurately determine the producing area of the sandstone sample of which the producing area is to be determined.

The invention relates to the technical field of paleoclimate quantitative reconstruction, in particular to a method for rapidly and quantitatively reconstructing paleoclimate based on soil weathering indexes. The method comprises the following steps: selecting a paleo-temperature sensitive index and a paleo-rainfall sensitive index according to data of a paleo-soil sample; establishing a function based on a Chinese modern soil profile for reconstructing paleoclimate; a McLenna method is adopted to correct CaO *, and interference of carbonate and apatite on a result is eliminated; and substituting into the transfer function, correcting the influence of the dust deposition rate difference through a thickness weighted average method, and outputting the results of the annual average precipitation and the annual average temperature, thereby realizing the reconstruction of the paleoclimate.

Systems and methods for converting live weather data to a weather index for offsetting weather risk. Weather data source systems generate one or more weather data streams that include weather forecast model and observations data. A data distribution system receives a weather index request, identifies at least one instrument and at least one location associated with the request. Weather risk indication data is extracted among the weather data streams associated with the identified location based on predefined parameters associated with the identified instrument. The extracted data is converted into a set of weather index values corresponding to the location, based on a predetermined algorithm associated with the identified instrument. A weather index presentation package is generated that includes the set of weather index values for distribution to at least one user device. The weather index presentation package being distributed is updated concurrent with changes to weather risk indication data.

The invention provides an ancient building exterior wall tile weathering degree detection and evaluation method, which comprises the following steps: acquiring a missing volume value, a surface hardness value and an elastic wave velocity value of an ancient building exterior wall tile needing to be evaluated, and calculating a volume missing rate, a surface hardness decrease rate and an elastic wave velocity decrease rate of the ancient building exterior wall tile; according to the relative importance degrees of the volume missing rate, the surface hardness decrease rate and the elastic wave velocity decrease rate in the ancient building weathering degree evaluation, determining the volume missing rate weight, the surface hardness decrease rate weight and the elastic wave velocity decrease rate weight by using an analytic hierarchy process, thereby calculating the weathering index of the ancient building exterior wall tile. Determining the weathering grade of the ancient building exterior wall brick according to the weathering index, and evaluating the weathering degree of the ancient building exterior wall brick by using the weathering grade. The method comprehensively considers three factors of the volume loss rate, the surface hardness decrease rate and the elastic wave velocity decrease rate of the external wall tile to scientifically and comprehensively evaluate the weathering degree of the external wall tile of the ancient building.

This invention discloses a Q295NH weathering-resistant wire rod, belonging to the field of iron and steel metallurgy. The chemical composition of this weathering-resistant wire rod, by mass percentage, includes: C≤0.15%, Si 0.10%~0.50%, Mn 0.30%~1.00%, P≤0.030%, S≤0.030%, Cr 0.55%~0.65%, Ni≤0.65%, Cu 0.25%~0.55%; the remainder is Fe and unavoidable impurities. This weathering-resistant wire rod has a yield strength ≥295MPa, a tensile strength of 430~560MPa, an elongation after fracture ≥24%, a tensile strength difference within the same coil ≤10MPa, and a weathering index of 6.23~6.98, meeting the long-term service requirements of photovoltaic brackets in outdoor environments. Furthermore, this invention also discloses a production method for the above-mentioned weathering-resistant wire rod and its application in photovoltaic bracket tie rods.

1. Name of the product in this design: Voice-activated graphical user interface for weather query on electronic devices. 2. Purpose of this design: An electronic device. 3. The key design feature of this product is its graphical user interface. 4. The picture or photo that best illustrates the key design points: Design 1 front view. 5. Design 1 is designated as the basic design. 6. Purpose of the graphical user interface: For querying weather via voice. 7. Human-computer interaction method of graphical user interface: Ask questions by voice and display the answer information through the interface pop-up window. Design 1 and Design 2's main view shows the day's weather query via voice, with a pop-up window on the left side of the interface displaying the day's weather information. Design 3's main view is an interface for querying weather indices via voice, with a pop-up window on the left side of the interface displaying weather index information. Design 4's main view is an interface for querying the air quality index for multiple days via voice, with an air quality index information displayed in a pop-up window on the left side of the interface. Design 5's main view is an interface for querying the weather conditions of multiple locations on the same day via voice. A pop-up window on the left side of the interface displays the weather information for multiple locations on the same day. Design 6's main view is an interface for querying the weather for a certain location for the next week via voice. A pop-up window on the left side of the interface displays the weather information for that location for the next week. 8. Other situations requiring explanation: The red semi-transparent coating area is not fixed content and is not the part for which patent protection is sought; the design for which protection is sought does not include color.

The invention provides a terahertz spectrum-based method for detecting the quantity of feldspar minerals in a weathered stone cultural relic and a method for quantitatively analyzing the weathering degree. The method comprises the following steps: preparing a feldspar mineral standard sample and collecting a terahertz absorption spectrum of the feldspar mineral standard sample; analyzing and determining a specific characteristic absorption peak of a feldspar mineral standard substance in a terahertz wave band by combining a quantum chemistry theory, extracting a characteristic peak parameter, and establishing a quantitative fitting model; performing terahertz scanning on the weathered stone cultural relic sample; extracting specific characteristic peak parameters corresponding to the standard sample, and substituting the specific characteristic peak parameters into a quantitative fitting model and a weathering index calculation formula; calculating the quantity of feldspar minerals in the weathered stone cultural relics and a dimensionless terahertz weathering index; and evaluating the weathering degree of the feldspar minerals in the stone cultural relic sample. According to the method, the specific absorption response of the feldspar minerals in the terahertz frequency band and the change rule of the feldspar minerals along with the weathering process are fully utilized, the quantitative model special for analyzing the weathering state of the minerals in the stone cultural relics is constructed, and the method has the characteristics of being non-destructive, high in sensitivity, capable of achieving quantitative analysis of feldspar mineral weathering and the like. The method is suitable for weathering analysis of stone cultural relics containing feldspar components, and a quantitative basis can be provided for protection and restoration strategies of the stone cultural relics.

The embodiment of the invention relates to the field of testing or analyzing materials by means of measuring chemical or physical properties of the materials, in particular to a method for determining the producing area of sandstone. The method comprises the following steps: acquiring a plurality of sandstone samples of which the producing areas are to be determined and a plurality of control samples of which the producing areas are known, and determining illite, montmorillonite, chlorite, kaolinite, chlorite / montmorillonite mixed layers and illite / montmorillonite mixed layer contents in the sandstone samples and the control samples; determining chemical weathering indexes of the sandstone sample and the control sample; the method comprises the following steps: determining illite, montmorillonite, chlorite, kaolinite, a chlorite / montmorillonite mixed layer and mineral components of the illite / montmorillonite mixed layer related to the production place; and determining the producing areas of the plurality of sandstone samples of which the producing areas are to be determined according to the contents of the mineral components related to the producing areas and the chemical weathering indexes in the control samples and the sandstone samples. The method provided by the embodiment of the invention can effectively and accurately determine the producing area of the sandstone sample of which the producing area is to be determined.

The invention discloses a sewage treatment plant biochemical unit carbon source prediction method based on time sequence data driving, which comprises the following steps: S1, carrying out data acquisition on a plurality of key process sections, and adopting a clock synchronization technology to keep multi-source data of different process sections consistent in time; s2, screening out core features with relatively high correlation with carbon source demands from the multi-source data by using a mutual information algorithm, and constructing a feature data set containing seasonal features and weather indexes; s3, constructing and training a hybrid prediction model, wherein the model comprises an input layer, a data preprocessing layer, a multi-scale attention layer, a bidirectional LSTM layer and a full-connection fusion layer; and S4, according to a set time interval, triggering model reasoning, inputting latest characteristic data, outputting a carbon source demand prediction curve in a future period of time, and automatically starting a rapid prediction mode when detecting that the water quality is suddenly changed. The method improves the accuracy of carbon source prediction.

The invention discloses a power grid low-temperature congelation disaster weather index construction method and system, and relates to the technical field of power grid disaster assessment, and the method comprises the steps: obtaining low-temperature congelation disaster events based on power grid observation data, carrying out the preliminary classification, and determining the disaster types of which weather indexes need to be established; evaluating the matching relationship between the temperature and humidity in the high temporal-spatial resolution meteorological data and the power grid observation data, and establishing a multi-element database corresponding to the low-temperature congelation disaster event; extracting multi-element features and combinations corresponding to different disaster types in a multi-element database through a deep learning algorithm; and analyzing the multi-element characteristics and combination to obtain a corresponding relation between the power grid congelation disaster and the combined meteorological condition, and establishing a weather index. According to the method, high-temporal-spatial-resolution meteorological data, power grid observation data, a deep learning algorithm and the like are utilized, basic characteristics which effectively extract influence low-temperature congelation meteorological conditions are constructed for power grid high influence meteorological conditions, and power grid congelation weather indexes are established.

The embodiment of the invention relates to the field of testing or analyzing materials by means of measuring chemical or physical properties of the materials, in particular to a method for determining the producing area of sandstone, which comprises the following steps: acquiring a plurality of sandstone samples of which the producing areas are to be determined and a plurality of contrast samples of which the producing areas are known, respectively determining illite content, montmorillonite content, chlorite content, kaolinite content, chlorite / montmorillonite mixed layer content, illite / montmorillonite mixed layer content, K2O content, Na2O content, CaO content, Fe2O3 content, MgO content, Al2O3 content and chemical weathering indexes in the plurality of sandstone samples and the plurality of control samples; and according to the contents of the plurality of control samples, the chemical weathering indexes of the plurality of control samples, the contents of the plurality of sandstone samples and the chemical weathering indexes of the plurality of sandstone samples, determining the producing area of each sandstone sample of which the producing area is to be determined. The method provided by the embodiment of the invention can effectively and accurately determine the producing area of the sandstone sample of which the producing area is to be determined.

The invention relates to a magmatic rock weathering crust structure division method based on logging data machine learning. The method comprises the following steps: firstly, collecting element logging data and cable logging data of a target area to generate an original data set; lithologic sensitive elements are extracted through a feature screening algorithm and standardized; inputting the standardized element data set into an unsupervised clustering model for lithology initial classification, and correcting lithology labels through a supervised classification model based on cable logging data; the element logging data are converted into oxide data, a weathering index data set is calculated, and abnormal values are cleaned in groups according to lithologic labels; based on the oxide content data set, performing multi-stage multi-band division through an unsupervised clustering model; and on the basis of cable logging data, performing cross validation on zoning results through the supervision classification model to select optimal parameters. According to the method, automatic and high-precision hierarchical division of the magmatic rock weathering crust structure is realized, and the exploration efficiency and reliability of oil and gas reservoirs in complex lithologic regions are remarkably improved.

The invention discloses a volcanic rock weathering crust structure division method and device, equipment and a medium, and relates to the technical field of petroleum geological exploration and development, a first indication parameter formula for indicating weathered clay and porosity increase is constructed, and a normalized logging curve, a weathering index and a geological division weathering crust structure correlation relationship are analyzed to obtain a first indication parameter formula; obtaining a first undetermined coefficient, and calculating a first indication parameter; constructing a second indication parameter formula of rock mechanical characteristic change, analyzing a correlation relationship between rock color, rock breaking characteristics, the normalized logging curve, the weathering index and a geological division weathering crust structure to obtain a second undetermined coefficient, and calculating a second indication parameter; and performing weathering crust structure division on the volcanic rock according to the first indication parameter and the second indication parameter to obtain a volcanic rock weathering crust structure division result. According to the method, the volcanic rock weathering crust structure division accuracy can be improved, the volcanic rock weathering crust structure division complexity is reduced, and the volcanic rock weathering crust structure division efficiency is improved.

This application relates to the field of medium and heavy plate manufacturing technology, and in particular to a weathering steel plate and its preparation method, to solve the problems of high production cost, low weathering index, and poor performance and weldability of ordinary weathering steel. The technical solution provided by this application to solve the above-mentioned technical problems is as follows: the chemical composition of the designed steel plate includes: 0.06 wt% ≤ C ≤ 0.09 wt%, 0.3 wt% ≤ Si ≤ 0.40 wt%, 0.9 wt% ≤ Mn ≤ 1.0 wt%, 0.02 wt% ≤ Alt ≤ 0.05 wt%, 0.010 wt% ≤ Nb ≤ 0.020 wt%, 0.025 wt% ≤ Ti ≤ 0.035 wt%, 0.03 wt% ≤ Ni ≤ 0.07 wt%, 0.55 wt% ≤ Cr ≤ 0.65 wt%, 0.30 wt% ≤ Cu ≤ 0.40 wt%, 0.075 wt% ≤ P ≤ 0.095 wt%, S < 0.002 wt%, Fe. The weathering steel manufactured under the composition and process conditions designed in this application has a high weathering index, high strength, low yield strength ratio, good low-temperature toughness and weldability, realizing the low-cost production of high weathering index high performance weathering steel.

The invention discloses a method for tracing the hydrothermal activity of a sedimentary basin, and belongs to the technical field of geochemistry and isotopic tracing. The tracing method comprises the following steps: pre-treating a mixed mineral sample, separating and purifying a lithium element, and measuring a delta 7 Licarb value; carrying out correlation analysis on the delta 7 Licarb value and the main trace element characteristics of the sample; correcting the measured delta 7 Licarb value of the mixed mineral sample; performing correlation analysis on the corrected data of the mixed mineral sample, a hydrothermal activity index and an anti-weathering index; and determining a corrected background value of delta 7Li in the research sequence, and judging a hydrothermal activity enhancement period, a hydrothermal activity weakening period or a non-hydrothermal dominant period by comparing a difference between a lithium isotope ratio of a continuous layer section and a background interval value. The method has the advantages of continuous high resolution, wide temperature range sensitive response, clear mechanism, strong anti-interference capability and strong universality.

The application discloses a kind of sedimentary basin hydrothermal activity tracer method, belong to geochemistry and isotopic tracer field.The tracer method includes the pretreatment of mixed mineral sample, lithium element separation and purification and δ 7 Li carb Value determination;The correlation analysis of δ 7 Li carb Value and the main trace element characteristics of sample;The measurement δ 7 Li carb Value of mixed mineral sample is corrected: the correlation analysis of corrected data of mixed mineral sample and hydrothermal activity index and anti weathering index;Determine the δ 7 Li 校正后 Background value in study sequence, judge hydrothermal activity enhancement period, hydrothermal activity weakening period or non-hydrothermal dominant period by comparing lithium isotopic ratio of continuous section and background interval value difference.The method has the advantages of continuous high resolution, wide temperature range sensitive response, mechanism is clear, strong anti-interference ability and strong universality.

The invention provides a quantitative evaluation method for the weathering degree of a landslide accumulation body, and the method comprises the steps: screening and weighing a landslide accumulation body sample, and obtaining the mass percentages of fragments of different particle sizes; collecting the screened debris of each size fraction as a chemical analysis sample; carrying out chemical total analysis on the collected fragment samples of each size fraction to obtain content data of various chemical components of the fragments of each size fraction; according to the content data of the chemical components, one or more chemical weathering index values are calculated for each particle fraction of debris; integrating the mass percent of the debris of all size fractions and the chemical weathering index value, and calculating to obtain a comprehensive weathering evaluation value representing the overall weathering degree of the landslide accumulation body; and judging the weathering degree grade of the landslide accumulation body according to a predefined numerical interval in which the comprehensive weathering evaluation value is located. The accuracy and reliability of stability evaluation of the landslide accumulation body can be improved.