505results about How to "Easy to master" patented technology

The invention relates to the technical field of Internet of Things gateways, in particular to an Internet of Things gateway and an operation method thereof. The method comprises the following steps: acquiring power system data, and constructing a power grid node topological structure diagram, so as to form a power system Internet of Things gateway; based on an Internet of Things gateway, power grid transmission demand prediction is carried out, an abnormal load state is analyzed, abnormal fluctuation of voltage and frequency is detected, and the stability of a power system is ensured; according to the frequency abnormity and voltage fluctuation data, the aging trend of power grid equipment is estimated, power resource loss estimation is carried out, abnormity early warning is carried out on power resource loss and equipment damage prediction data by utilizing an Internet of Things gateway, safe operation of a power grid is ensured, and early warning information is fed back to a terminal in time. According to the method, the intelligent level of the power system is effectively improved, and efficient resource configuration and fault management can be realized. According to the method, the Internet of Things gateway early warning is optimized, so that the Internet of Things gateway prediction is more efficient and accurate.

The invention relates to the technical field of material storage management, in particular to a BIM-based construction site material monitoring management method and system. The method comprises the following steps: obtaining a construction project drawing; performing drawing information extraction on the construction project drawing to obtain construction project material information data and construction project structure data; performing construction project three-dimensional modeling on the construction project material information data and the construction project structure data to generate construction project three-dimensional modeling data; obtaining total construction material data; and carrying out material information modeling on the total construction material data by using a BIM technology to generate total construction material modeling data. According to the invention, accurate three-dimensional modeling, intelligent marking, regionalized storage and real-time allocation of the construction site materials are realized through the BIM technology, and the accuracy of construction site material monitoring management and the emergency response real-time performance are improved.

The invention discloses a mathematics virtual-real fusion teaching system. A scene construction module is used for constructing a virtual teaching scene by using a virtual reality technology according to teaching contents and learning requirements of students; the animation simulation module is used for creating a mathematical model and an animation in the virtual teaching scene by utilizing a three-dimensional modeling technology and an animation production technology; the data acquisition module is used for acquiring learning behavior data and physiological data of students through the intelligent teaching terminal and the wearable sensor to obtain learning feedback data; analyzing the learning feedback data by using a machine learning algorithm to obtain learning state data of the student; and the teaching feedback module is used for adjusting a teaching mode and a teaching scene in the virtual teaching scene according to the learning state data. Through virtual reality and augmented reality technologies, in combination with a highly vivid virtual teaching scene and an innovative interaction mode, mathematics learning is more vivid and interesting, and the learning interest of students is greatly improved.

The invention discloses an optomagnetic hybrid navigation method applied to a mandible angle cutting operation, which comprises the following steps of: fixing an optical mark on an osteotomy tool, and configuring optical equipment for tracking; a six-degree-of-freedom miniature electromagnetic sensor is fixed on the mandible, and electromagnetic equipment is configured for tracking; comprising the following steps: constructing a three-dimensional European coordinate system; based on a homogeneous coordinate transformation matrix # imgabs0 # among different three-dimensional European-style coordinate systems, mapping a cutter pose psSS in a local coordinate system {SS} of the osteotomy cutter to a CT image space; updating the navigation interface in combination with an automatic hybrid navigation strategy based on a distance threshold and a time threshold; and performing accuracy evaluation until a navigation interface meeting a preset condition is output. According to the photomagnetic hybrid mandible angulation operation navigation method, through multi-modal fusion, automatic dynamic adjustment, accurate space registration and equipment calibration and a real-time feedback correction mechanism, the positioning precision, adaptability, consistency and reliability of an operation are remarkably improved.

The invention relates to an intelligent neural navigation system for neurosurgery and a use method thereof.The intelligent neural navigation system comprises an image collecting and processing unit, an intelligent planning unit, a positioning and tracking unit, a visual interaction unit and a data management and updating unit. The optimal operation scheme is selected through operation simulation operation, so that a doctor is helped to master the condition of a patient more clearly, personalized adjustment can be carried out in real time, the operation scheme better fits the actual condition of the patient and the operation habit of the doctor, and the success rate and the quality of an operation are improved. Meanwhile, an optical positioning sensor and an electromagnetic positioning sensor are integrated, accurate position information of the surgical instrument and the area, needing to be treated, of the patient is obtained in real time, operation of the surgical instrument is accurately guided, then it is ensured that the surgical instrument is accurately matched with the preoperative planned path, and mistaken damage to surrounding normal tissue in the surgical process is reduced; and the accuracy and the safety of the operation are improved.

The invention relates to the technical field of artificial intelligence data processing, in particular to an optimization method for agricultural intelligent questions and answers based on LLM. By combining natural language processing, deep learning and agricultural knowledge, the invention aims to improve the performance of the agricultural intelligent question-answering system and provide more accurate, efficient and personalized services for users. Farmers can quickly obtain required agricultural knowledge and technology through the intelligent question-answering system without looking up a large number of literatures or asking for experts.

The invention discloses a railway engineering unfavorable geology knowledge base construction method and system, and the method comprises the steps: collecting and preprocessing multi-source railway engineering text data, and obtaining a multi-source text data set; performing knowledge extraction, knowledge fusion and knowledge processing based on the multi-source file data set; constructing a railway engineering unfavorable geology knowledge base; and carrying out user interaction design based on a railway unfavorable geology knowledge base. According to the method, unfavorable geological knowledge of railway engineering can be automatically extracted from a large amount of text data, a structured knowledge base is constructed, the knowledge base not only improves the knowledge extraction efficiency and accuracy, but also provides scientific and accurate information support for safety management and decision-making of railway engineering in the form of the knowledge graph, and the method is suitable for popularization and application. Therefore, key fault information can be better mastered for railway operation enterprises, and accurate and effective information data and technical support are provided for decision making.

The invention provides an order data processing method and device, equipment and a storage medium. Relates to the technical field of data processing. The method comprises the steps of obtaining an order image in response to an order identification trigger operation of a user on a preset operation interface; performing keyword recognition processing on the order image by adopting an optical character recognition technology to obtain a plurality of keyword recognition results; according to the plurality of keyword identification results, determining an order number and order attribute information of at least one order corresponding to the order image; generating an order confirmation interface according to the order number and the order attribute information of the at least one order, and displaying the order confirmation interface; determining a target order number and target order attribute information of at least one order in response to confirmation and / or modification operation of a user on the order confirmation interface; and according to the target order number and the target order attribute information of the at least one order, updating a pre-stored order table.

The invention belongs to a treatment method for mud bursting and water bursting collapse of a water-rich weathering fracture zone of a high-altitude tunnel, which comprises the following steps of: temporarily sealing a tunnel face, drilling collapse and water bursting to drain water and relieve pressure, radially grouting and reinforcing a constructed primary support behind a section influenced by water bursting and mud bursting, and performing water bursting and water bursting on the primary support after the section influenced by the water bursting and mud bursting to treat the water bursting and water bursting collapse of the water-rich weathering fracture zone of the tunnel. According to the treatment method, the water-rich weathered broken zone of the high-altitude tunnel is subjected to water-rich weathered broken zone mud bursting and water bursting collapse section treatment, then a probe hole is formed in the front portion to detect the front condition, concrete pumping and grouting are conducted on a collapsed cavity, and finally a temporary support is used for additionally arranging an advanced pipe shed to reinforce the collapse section, so that the high-altitude tunnel water-rich weathered broken zone mud bursting and water bursting collapse section can be effectively treated. According to the method, the tunnel construction can smoothly pass through the mud burst and water burst section of the water-rich weathering fracture zone, the tunnel can be smoothly and timely communicated, the treatment method is simple, efficient, low in economic cost and high in treatment speed, the treatment period is shortened, and meanwhile a large amount of construction cost is saved.

The invention relates to a polyester fiber with a phase change temperature regulation function and a preparation method thereof, and belongs to the technical field of textile materials. The polyester fiber with the phase change temperature regulation function comprises a skin layer unit and a core layer unit, the skin layer unit adopts a polyester fiber base material, the core layer unit adopts lauric acid, a cavity is formed in the polyester fiber base material, and the lauric acid is packaged in the cavity of the polyester fiber base material. The polyester fiber with the phase change temperature adjusting function can be prepared, the preparation method is simple, and the polyester fiber can be well applied to textiles such as outdoor work clothes, sportswear and home textile bedding.

The invention relates to the technical field of hevea brasiliensis seedling breeding, and particularly discloses a method for mass production of hevea brasiliensis seed grafted seedling scions and seed grafted seedlings. The method for mass production of rubber tree seed grafted seedling scions comprises the following steps: S1, sawing a trunk of a scion plant at a position 50-60 cm above the ground to promote new branches to grow; s2, primary branches are cut off when the primary branches of the plants to be picked grow to 10-15 cm, tops are cut off from dense node buds when the primary branches grow to second canopy leaves, fertilization is carried out, large leaf buds of new branches are promoted to germinate to form secondary branches, secondary branches are cut off when the secondary branches grow to 10-15 cm, and secondary branches are cut off when the secondary branches grow to 10-15 cm; the reserved secondary branches grow to form green small branches with more than two fluffy leaves; s3, pruning petioles of leaves on the green small branches to promote the petioles to fall off, and obtaining the rubber tree seed grafting seedling scion after the petioles fall off completely. By means of the method for mass production of the rubber tree seed grafted seedling scions, the number of the scions is remarkably increased and is 1.60-2.50 times that of a conventional method.

The invention discloses a pre-splitting blasting half-wall porosity intelligent identification system and method, and the system comprises a front-end display platform and a rear-end operation system which carry out data interaction through a computer, and the operation result information is displayed and checked through the front-end display platform; the front-end display platform consists of a menu bar, a toolbar, a display window and a command line; the rear-end operation system mainly comprises a half-wall hole image database, an image denoising module, an image segmentation module, a data statistical analysis module, an identification calculation module and the like, half-wall hole photo images are collected on steps on the two sides of the platform through the unmanned aerial vehicle oblique photography technology with or without the RTK function, a three-dimensional image database marked with half-wall hole information is established, and the three-dimensional image database is used for storing the half-wall hole information. An intelligent half-wall porosity recognition algorithm based on computer deep learning is developed, accurate recognition of the half-wall porosity is achieved, the traditional presplitting blasting quality evaluation efficiency can be greatly improved, and the method can be widely applied to slope presplitting blasting effect evaluation in the fields of surface mines, water conservancy and hydropower, transportation and the like.

The invention relates to the technical field of concrete strength detection, and particularly discloses a concrete strength detection device and method based on hydraulic engineering supervision. The concrete strength detection device comprises a pressure bearing mechanism which is arranged at the bottom of the inner side of a machine body and is used for being matched with a downward pressing mechanism to detect the compressive strength of a concrete test piece; the driving mechanism drives the limiting mechanisms arranged in an annular array to clamp the concrete test piece from the side wall of the concrete test piece, so that the center of the concrete test piece is vertically aligned with the center of the bearing plate, and the downward pressure of the downward pressing mechanism on the concrete test piece is stably distributed on the concrete test piece; the detection precision is improved, repeated adjustment by workers is not needed, the detection efficiency is improved, the position of each limiting plate is conveniently mastered through the monitoring assembly and the identification assembly, the position of the deviated limiting plate is adjusted through the adjusting assembly, and the concrete compressive strength can be conveniently detected for a long time.

The construction method comprises the following steps that S1, equipment enters a site, and pile positions are marked according to construction requirements; s2, the bottom end of the prefabricated pipe pile is not sealed, after the prefabricated pipe pile is pressed downwards to a designed bearing stratum at the pile position, the topsoil in the hollow part of the prefabricated pipe pile is taken out, and the soil taking depth exceeds the bottom end of the prefabricated pipe pile; or penetrating a force transmission hammer into the hollow part of the prefabricated pipe pile, and pressing the force transmission hammer and the prefabricated pipe pile to the designed bearing stratum; s3, filling materials are put into the hollow part of the prefabricated pipe pile in batches, a force transmission hammer with the length larger than that of the prefabricated pipe pile extends into the hollow part of the prefabricated pipe pile, the force transmission hammer extrudes the filling materials in a downward pressing, spinning or hammering mode, and the filling materials form a compacted expanded head at the bottom of the prefabricated pipe pile; and S4, concrete is poured into the hollow part of the prefabricated pipe pile to form an inner pile. The bottom of the prefabricated pipe pile is not sealed, holes are not guided in advance, the pile descending efficiency can be improved, and the pile end bearing capacity can be ensured after soil is taken in the hollow part of the prefabricated pipe pile.

The invention provides a flexible photovoltaic panel support and an installation method thereof, the flexible photovoltaic panel support comprises middle rods, a main cable, two end rods as a group and are located at the tail end of the main cable, and a plurality of middle rods are arranged and are distributed between the end rods at the two ends to support the main cable. A main roller and a power roller are arranged at the top of the end rod, the main roller is used for bearing a main cable, and the power roller is used for bearing a power cable; a detachable clamping sliding piece is installed on the power cable, the clamping sliding piece is installed on the photovoltaic panel support and clamped on the power cable through a locking piece, and the clamping sliding piece further abuts against the main cable in a sliding mode. The photovoltaic panel is pulled to move on the main cable through the power cable, and long-distance transportation of the photovoltaic panel is achieved. The middle rod drives the photovoltaic panel on the main cable to be adjusted in the horizontal direction and the vertical direction by arranging the elevation angle driver and the azimuth angle driver, it is ensured that the photovoltaic panel faces the sun, and the illumination receiving efficiency is optimized.

The invention discloses an intelligent emergency monitoring command system, which comprises a login unit, an on-duty management unit, a comprehensive monitoring command unit, a jump unit and an exit unit, and is characterized in that the on-duty management unit and the comprehensive monitoring command unit are in signal connection with the jump unit. According to the intelligent emergency monitoring and commanding system, through combination of the duty management unit and the comprehensive monitoring and commanding unit, unified management and maintenance of various emergency resources and visual display based on map distribution conditions are realized, and multi-dimensional query of the emergency resources and statistical analysis based on charts are provided; the comprehensive monitoring and commanding unit obtains a final comprehensive natural disaster risk evaluation and analysis result by adopting a processing mode of combining an AHP-entropy weight method and utilizing a GIS (Geographic Information System) technology, and realizes visual display of an emergency resource query result and a statistical result, so that emergency personnel can conveniently master space-based distribution and statistical conditions of emergency resources; and emergency personnel can conveniently and accurately propose related optimization strategies.

The invention discloses a multifunctional anhydrous hydrogen fluoride conveying pipeline device, and relates to the technical field of anhydrous hydrogen fluoride conveying. The device comprises a first conveying pipeline and a second conveying pipeline, and a connecting frame body used in cooperation is arranged between the first conveying pipeline and the second conveying pipeline in a communicating mode; by arranging and using a sampling mechanism, a driving gear can be driven to rotate, so that a driven gear ring can be driven to rotate, a rotating sleeve can be driven to rotate, four sampling main pipes and corresponding sampling bottle bodies can be driven to rotate, and four connecting through holes can be sequentially communicated with a connecting through hole; therefore, part of anhydrous hydrogen fluoride which is conveyed in real time can be sequentially guided into the two corresponding sampling bottle bodies, so that stage sampling operation of the anhydrous hydrogen fluoride can be realized in the conveying stage of the produced anhydrous hydrogen fluoride, and further, a user can conveniently master the states of different stages in the production period of the anhydrous hydrogen fluoride; and the practicability and functionality of the anhydrous hydrogen fluoride conveying pipeline device are effectively improved.

The invention relates to the technical field of education, and discloses a personalized intelligent tutoring system and method. According to the system, personalized intelligent tutoring is realized by constructing a digital resource library and comprehensively analyzing answering conditions of students. According to the technical key points, the method comprises the steps of evaluating test question quality and student learning cognition quality through a student test question answering big data analysis model, and generating a comprehensive analysis result; and through a personalized tutoring decision analysis model, specific reasons of wrong questions of the students are determined based on an analysis result, and corresponding tutoring measures are provided. The system can accurately identify weak links in learning according to double dimensions of test question quality and student learning cognition, formulate a targeted review scheme, and effectively improve the learning effect and review efficiency of students.

The invention discloses a DC electric arc furnace reactive power prediction method and system, and relates to the field of data analysis. According to the main scheme, a reactive power predicted value # imgabs9 # is calculated according to the working voltage # imgabs0 #, the working current # imgabs1 #, the power factor # imgabs2 #, the reactive power component 1 # imgabs3 #, the reactive power component 2 # imgabs4 #, the reactive power component 3 # imgabs5 #, the reactive power component 4 # imgabs6 #, the reactive power component 5 # imgabs7 # and the reactive power component 6 # imgabs8 # of the direct-current electric arc furnace. And acquisition of indirect factor data influencing reactive power is not enough, so that the accuracy of reactive power prediction is influenced. Whether the working state of the direct-current electric arc furnace is normal or not is judged according to the reactive power change value # imgabs10 # and the reactive power change threshold value # imgabs11 #, a specific judgment basis is provided for workers, problems can be found in time, and major faults are prevented.

The present invention belongs to the technical field of lost foam casting, and specifically discloses a lost foam casting mold, comprising a first sand box, wherein the bottom of the first sand box is fixedly connected to a base, and both sides of the inner wall of the first sand box are provided with evenly distributed second sand outlets, and both sides of the outer wall of the first sand box are slidably connected to closed doors, and the closed doors block the second sand outlets, and both sides of the inner wall of the first sand box are slidably connected to reciprocating plates, and one side of the outer wall of the reciprocating plate is fixedly connected to evenly distributed compacting plates. In the present invention, by arranging structures such as compacting plates and warping edges, the quartz sand inside the first sand box can be shaped and lifted to prevent it from sinking downward quickly after the second sand outlet is opened, and at the same time, it can also block the quartz sand in the middle, limit the flow speed of the quartz sand, facilitate operators to guide and collect it in an orderly manner in a safe environment, and ensure that the casting is not affected by it.

The present invention discloses a reaming drill bit, which includes a drill barrel, an end head, an expansion wing assembly, a piston assembly, and a detection device, wherein the end head is installed at the end of the drill barrel, the piston assembly slides relative to the drill barrel, the piston assembly is suitable for driving the expansion wing assembly to expand or retract, a first injection channel is provided in the drill barrel, and the piston assembly is provided with a first pressure relief channel and a second pressure relief channel. When the piston assembly drives the expansion wing assembly to expand into place, the first pressure relief channel is connected to the first injection channel; when the piston assembly drives the expansion wing assembly to retract into place, the second pressure relief channel is connected to the first injection channel, and the detection device is suitable for detecting the pressure or flow in the first injection channel to check whether the expansion or retraction of the expansion wing assembly is in place. The present invention realizes the drive control of the expansion wing with an economical and effective solution, improves the rigidity of the equipment, is more suitable for hard rock and soil, and can help operators master the working status of the equipment.

The invention relates to a method for quantitatively monitoring the pollution degree of groundwater. The method comprises the steps of near-infrared hyperspectral imaging, construction of a prediction model and fitting of a prediction function. The invention further provides a groundwater analysis system and application of the method. According to the method, a hyperspectral imaging technology is adopted to shoot a mixed sample of organic pollutants and water, key features of a sample image are obtained by combining an image preprocessing technology and a feature extraction technology, the sample features with remarkable performance are used as training data, and a machine learning algorithm is applied to obtain training data; the model can accurately predict the water-oil volume ratio in a sample, and meanwhile, provides spatial distribution of the organic pollutants in the environment, so that an efficient and innovative solution is provided for quantitative analysis of the organic pollutants.

The utility model discloses a small household fitness treadmill, which belongs to the technical field of fitness treadmills and comprises a bottom plate component, a treading component is arranged at the upper end of the bottom plate component, a pedal is arranged at the upper end of the treading component, the bottom plate component comprises a fixed base, and a plurality of anti-slip gaskets are fixedly connected to the lower end of the fixed base. According to the technical scheme, all parts of a treading assembly are transversely arranged, the gravity center of the machine is lower, the structure is more stable, more stable supporting can be provided for a user, the risk of falling down is reduced, space is saved, and the arrangement mode is generally more compact, small in occupied area and convenient to use. The device is convenient to place in an environment with limited space, suitable for being used by multiple persons at the same time, easy to operate, easy to master and use by a user due to the simple structure and operation mode, balanced in exercise, uniform in stimulation to leg muscles in the exercise process and beneficial to comprehensive exercise of the leg muscles.

The present invention discloses a state-monitorable solenoid valve, including a solenoid valve body, an upper chamber fixedly installed above the solenoid valve body, a static iron core placed in the center of the upper chamber, an electromagnet coil with the center of the upper chamber as the axis wound on the static iron core, the bottom of the static iron core is fixedly connected to one end of a reset spring, the other end of the reset spring extends into a circular hole at the top of a moving iron core, the bottom of the moving iron core is fixedly connected to a sealing member, the sealing member is used to seal the valve port of the water outlet chamber of the solenoid valve body, and two working condition monitoring sensors symmetrically arranged about the reset spring are also provided at the bottom of the static iron core, and the working condition monitoring sensors are electrically connected to a signal processing module. The present invention receives and processes the pressure signal of the working condition monitoring sensor at the bottom of the static iron core through the signal processing module, accurately judges the real-time working condition of the solenoid valve, effectively solves the problem that the working state of the traditional solenoid valve cannot be monitored, and provides a reliable basis for daily use and maintenance.

The invention discloses a zinc gallate film prepared by a two-step method, and a preparation method and application thereof, and belongs to the technical field of semiconductor materials. The invention provides a method for preparing a zinc gallate film through a two-step method. The method comprises the following steps that a C-face sapphire substrate is pretreated, surface impurities and water are removed, and a pretreated sapphire substrate is obtained; mixing the gallium acetylacetonate solution and the zinc acetylacetonate solution, adding hydrochloric acid, stirring until the mixture is completely dissolved, and standing to obtain supernatant liquid; under the normal pressure condition, inert gas is used as current-carrying gas, the supernatant liquid is subjected to ultrasonic atomization treatment and then conveyed to the surface of the pretreated sapphire substrate, a nucleating layer is formed through deposition at the temperature of 500-550 DEG C, then the temperature is increased to 600-650 DEG C, an epitaxial film is formed through deposition, and the single crystal spinel zinc gallate thin film is obtained. The zinc gallate thin film with higher quality is prepared through a two-step method.

The invention discloses an online learning system and method based on a self-adaptive engine, and belongs to the technical field of online learning. In order to solve the problems of insufficient learning demand identification and insufficient personalized recommendation, learning demands and weak links of a user can be accurately identified by monitoring the learning progress and behavior of the user in real time, a basis is provided for personalized recommendation, a personalized learning path is generated for the user according to a learning model and progress of the user, and the user experience is improved. The most relevant resources are obtained from the learning resource management module based on the learning features and preferences of the user, optimal distribution and utilization of the learning resources are achieved, personalized learning content and teaching modes are pushed in real time according to the learning requirements of the user, it is ensured that the user can obtain the needed learning resources in time, the learning efficiency is improved, and the user experience is improved. By collecting and analyzing the feedback data of the user to the pushed content, the pushed content and the teaching mode can be dynamically adjusted, and it is ensured that the pushed content is matched with the learning progress and interest of the user.

The invention provides a control method and device for an electric vertical take-off and landing aircraft, a hand control part comprises a fixed seat, a control rod and a trigger, the control rod is controlled to move forwards, backwards, leftwards and rightwards, and the trigger is controlled to be lifted and pressed down; the operation on the foot rudder comprises the steps of stepping on the left pedal and stepping on the right pedal; the processing module is used for acquiring control information of the control rod, the trigger and the foot rudder, and generating an operation control command according to the control information of the control rod, the trigger and the foot rudder in combination with the working mode and the operation state of the aircraft; the execution module executes the operation control command on the aircraft. A traditional accelerator and a total distance rod are omitted, the control structure of the aircraft is simplified, a pilot can more quickly adapt to the operation requirements in different flight states by simplifying control logic, and the potential error risk caused by control mode switching is reduced.

The invention relates to the technical field of chemical analysis and detection, in particular to a fluorescence determination method for free amino acid in tobacco leaves, based on the fluorescence characteristic of epinephrine-based zinc-doped carbon dots Zn / NA-CDs, free amino acid reacts with phthalic dicarboxaldehyde to generate a Schiff base product, and Zn / NA-CDs and Schiff base have hydrogen bond interaction and charge transfer effect, so that the content of free amino acid in tobacco leaves is determined. Therefore, the Schiff base has a fluorescence sensitization effect on the Zn / NA-CDs, and a free amino acid fluorescence detection method is established. According to the method, the detection limit can reach 0.01 mg / L, and the recovery rate is between 90.52% and 105.33%, so that the method also has high sensitivity to low-concentration free amino acid, can meet the requirement for accurately measuring trace amino acid in tobacco leaves, and has excellent accuracy and reliability. Meanwhile, the method further has the advantages of being easy and convenient to operate, low in cost, environmentally friendly, wide in applicability and the like, a new technical means is provided for tobacco leaf quality detection, and beneficial reference is provided for amino acid determination in other fields.

The present invention relates to a method for determining the content of palladium in palladium ash, and belongs to the technical field of secondary resource detection of precious metals. The present invention mixes palladium ash and a mixed oxidant for melting decomposition, leaches with dilute hydrochloric acid, and boils after adding nitric acid to obtain a palladium ash sample solution, the palladium ash sample solution is precipitated by dimethylglyoxime under acidic conditions, and then dissolved by hydrochloric acid-hydrogen peroxide to prepare a palladium test solution; a palladium standard stock solution is transferred, a palladium standard working solution is prepared, and the concentration of the palladium standard working solution is determined by an inductively coupled plasma emission spectrometer to construct a standard working curve; according to the standard working curve, the palladium ion concentration of the palladium test solution is determined by an inductively coupled plasma emission spectrometer, and then the palladium content in the palladium ash is calculated. The present invention enhances the decomposition ability of the sample, can solve the problems of limited palladium capture capacity and incomplete impurity separation in the existing method, and significantly improves the accuracy of the palladium determination result.

The invention discloses an intelligent cigar tobacco airing system and method based on a programming control technology, and relates to the technical field of intelligent cigar airing, the intelligent cigar tobacco airing system comprises a platform, and the platform is provided with a tobacco leaf bundling and rod stringing area, a tobacco rod moving area and a tobacco leaf airing area. The problems that an air temperature and humidity regulation and control device cannot be controlled through real-time data in an air-curing system in the prior art, the optimal environment condition cannot be adjusted in different air-curing stages of cigar tobacco leaves, the moisture content of the tobacco leaves in the air-curing period cannot be detected in real time through a ventilation system, and mildew and diseases cannot be reduced are solved; the problem that an existing air-curing system cannot analyze the air-curing progress conditions of tobacco leaves in different areas in real time is solved, so that the disease and mildew conditions and key nodes in the air-curing period are determined; the problems that tobacco leaves cannot be automatically unbundled and bunched, the tobacco leaves are unbundled and bundled, and each tobacco leaf rod is independently timed and the position is automatically changed during the airing process, so that the airing uniformity is ensured are solved.