82results about "Material analysis by observing immersed bodies" patented technology

The invention provides a method and a system for evaluating the biological health condition of cultivated land soil based on exploratory factor analysis, and relates to the technical field of evaluation of the biological health condition of soil. The precise analysis of the complex interaction relationship between the soil microorganism function and the environmental factor is realized; through multi-dimensional index fusion and deep mining of a factor model, key biological function factors are effectively discriminated and quantified, and the scientific evaluation capability of soil ecological functions is improved; in combination with causal path analysis, the scheme can reveal the influence of environmental pressure on a microbial regulation and control mechanism, and intelligent attribution and traceability of abnormal health conditions are realized; based on dynamic fusion and grading judgment of function and environment scores, the scheme supports accurate health condition evaluation and hierarchical intervention, the early warning capability and decision scientificity of soil management are enhanced, and the agricultural sustainable development guarantee level is remarkably improved.

The utility model discloses a suspension type viscosity and density on-line measuring device. The device comprises a cavity, a rotating part, a reference rotor, a suspension rotor, a torsional elastic piece and a distance measuring sensor, the rotating part is fixedly connected to the cavity; the reference rotor is fixedly connected to the outer wall of the rotating shaft, synchronously moves along with the rotating shaft and is higher than the liquid level of measured liquid; a suspension detection end is arranged at the upper end of a suspension body of the suspension rotor, the suspension body is connected with the rotating shaft through a torsion elastic piece, the suspension body suspends in detected liquid, the suspension detection end is exposed out of the detected liquid, and the suspension rotor is driven by the rotating shaft to rotate; the distance measuring sensor fixed in the cavity measures the rotating speed of the reference rotor, the axial displacement of the suspension detection end and the phase difference between the reference rotor and the suspension rotor so as to calculate the viscosity and density of the liquid to be measured. The device has the effects of measuring the density and the viscosity of liquid in real time and being high in measurement precision.

The invention relates to the technical field of rock mechanics and intelligent detection, in particular to a rock strength and failure mode prediction method and system. The method comprises the following steps: acquiring data of a rock sample to be detected to obtain a multi-source feature set; constructing a feature coefficient prediction model, and inputting the multi-source feature set into the feature coefficient prediction model to obtain a feature coefficient; screening the multi-source feature set based on the feature coefficient to obtain an optimal feature subset; constructing a rock strength and failure mode prediction model, and optimizing hyper-parameters of the rock strength and failure mode prediction model by adopting an automatic hyper-parameter optimization framework; and inputting the optimal feature subset into the optimized rock strength and failure mode prediction model to obtain a rock strength prediction value and a failure mode. The problem that rock strength and failure mode prediction precision is not accurate enough and cannot be predicted at the same time in the prior art is solved, and the prediction precision is greatly improved through multi-source data collaborative prediction.

A system and method of determining a density of a drilling fluid in a wellbore. The system includes a drill string in the wellbore, the drill string including a downhole rotor. A drilling fluid flowin

A meter electronics (20) for detecting an orientation and compensating a measurement based on the detected orientation is provided. The meter electronics (20) comprises an interface (401) configured to communicatively couple to a sensor assembly (10) and a processing system (402). The processing system (402) is configured to detect an orientation of the sensor assembly (10) based on one or more sensor signals provided by the sensor assembly (10).

According to the portable in-situ slurry specific gravity detection system and the using method thereof, a lower mechanical structure of the detection system can directly measure slurry of a fixed volume at a time, secondary canning is not needed, and personal errors caused by multiple times of operation are avoided. And meanwhile, the mud in the middle and lower parts of the mixing tank can be measured, so that the result is representative. The upper electronic structure not only can calculate the current specific gravity of the mud, but also can calculate the amount of clean water or dry mud or wet mud which is still required for reaching the target specific gravity of the mud under the condition that parameters (the specific gravity of the dry mud and the moisture content of the wet mud) are fully given, so that the mud preparation time is greatly shortened.

The utility model discloses a device for measuring the volume weight of wheat seeds by using a drainage method, which comprises a barrel body and further comprises a water soaking component, a water outlet component and a water outlet component, the water soaking assembly comprises a sliding frame, a sliding rod and clamping plates, the sliding frame is slidably connected to the can body, the sliding rod is slidably connected with the sliding frame, and the clamping plates are symmetrically and slidably connected to the two sides of the sliding rod; the wheat seed volume weight measuring device can effectively reduce wheat seed volume weight measuring errors.

The utility model discloses an integrated measuring instrument for melt viscosity and density. The measuring instrument comprises a vacuum chamber, an oscillation device, a density measuring assembly and a viscosity measuring assembly, wherein the density measuring assembly and the viscosity measuring assembly are arranged in the vacuum chamber; the oscillating device comprises a suspension fiber, a connecting rod and a driving element; two ends of the suspension fiber are respectively connected with the driving element and the density measuring assembly; one end of the connecting rod is hinged with the density measuring assembly, the other end of the connecting rod is fixed with the viscosity measuring assembly, and the density measuring assembly and the viscosity measuring assembly are respectively driven by the suspension wire and the connecting rod to do periodic torsional vibration motion. The density measurement assembly and the viscosity measurement assembly are connected into a whole by arranging the oscillation device, the density of the melt is calculated according to the density measurement assembly, and the viscosity of the melt is calculated according to motion data of the viscosity measurement assembly of the melt. Therefore, the viscosity and density of the melt can be measured at the same time through one device, and the cost and time for measuring the viscosity of the melt are reduced.

The utility model provides a high-temperature melt density measuring device which comprises a base, a high-temperature furnace mounted above the base, a sample bearing assembly, a first lifting sliding table mounted on the base, a furnace door connected to the first lifting sliding table, and a second lifting sliding table connected to the second lifting sliding table and capable of driving the furnace door to move up and down so as to enable the furnace door to be separated from or abut against the lower part of the high-temperature furnace; the lower end of the sample bearing assembly is supported on the furnace door and can move upwards to be separated from the furnace door; the upper clamp is connected to the lower end of the sample bearing assembly; the lower clamp is butted with the upper clamp; the second lifting sliding table enables the lower clamp and the upper clamp to achieve up-down butt joint and further drives the sample bearing assembly to move upwards to be separated from the furnace door or enables the lower clamp to be separated from the upper clamp; the force sensor is arranged below the lower clamp, and the first industrial camera is arranged on one side of the high-temperature furnace and is used for recording the liquid level height change of the molten sample. The device can be used for detecting the density values of various melts in a molten state at different high temperatures on line.

The application provides a cultivated soil biological health condition evaluation method and system based on exploratory factor analysis, relates to the soil biological health condition evaluation technical field, and realizes accurate analysis on the complex interaction relationship between soil microbial functions and environmental factors by constructing a soil biological health evaluation system based on a nitrogen biological regulation coordination network; through multidimensional index fusion and deep mining of a factor model, key biological function factors are effectively identified and quantified, and the scientific evaluation ability of soil ecological functions is improved; combined with causal path analysis, the scheme can reveal the influence of environmental pressure on microbial regulation mechanism, realize intelligent attribution and tracing of abnormal health conditions, based on dynamic fusion and hierarchical determination of function and environment scores, the scheme supports accurate health condition evaluation and layered intervention, enhances the early warning ability and decision-making scientificity of soil management, and significantly improves the guarantee level of agricultural sustainable development.

A concentration measuring apparatus of the present invention includes: an acquiring unit that acquires a height position of a float which floats in a liquid and whose floating height changes in accordance with a concentration of the liquid, the height position being measured using a radio wave; and a measuring unit that measures the concentration of the liquid based on the height position.

The application relates to an artificial intelligence technology and discloses a ceramic product performance detection method, which comprises the following steps: measuring the first weight of a ceramic product, measuring the drainage volume of the ceramic product after being immersed in a water pool to calculate the density of the ceramic product, measuring the second weight of the ceramic product after being immersed in the water pool, calculating the water absorption performance according to the first weight and the drainage volume, calculating the wear resistance of the ceramic product by measuring the weight of the ceramic product after being polished, testing the compressive strength of the ceramic product by using a pressure loading device to obtain the maximum compressive strength, and judging whether the ceramic product meets preset performance indexes according to the measured density, water absorption performance, wear resistance and maximum compressive strength. The application further discloses a ceramic product performance detection system. The application can improve the efficiency of ceramic product performance detection and make the detection more comprehensive.

The utility model relates to the technical field of density measurement of objects, and particularly provides a laser sensing type high-precision irregular solid density measuring instrument, which comprises a container part (1), a laser sensing part (2) and a laser sensing part (3), the second container can be communicated with the first container; (2) a floating portion comprising: a float portion capable of floating in the liquid contained in the first container; the floating container can be located in the liquid contained in the second container in a floating mode, a containing space is formed in the floating container, and an object to be measured can be placed in the containing space; and (3) a distance detection part which can detect the state change of the floater part in the first container. With such a configuration, the density of an object to be measured having an irregular shape can be determined on the basis of a change in the liquid level (the height of the float portion changes with the change in the liquid level) on the basis of the device.

The utility model relates to engineering test technical field, concretely is a kind of asphalt mixture slab test piece density testing device, including water injection tank, the front and back side wall of water injection tank is equipped with observation port, and observation port is provided with transparent plate;The outer surface of front side transparent plate is equipped with outside scale rule;The inside of rear side transparent plate is equipped with the inside water level ruler of vertical extension;Inside water level ruler is equipped with vertical sliding rail side, and the sliding block of vertical sliding is configured on sliding rail;Sliding block is connected with the suspension piece that can float on water surface, and suspension piece one end is equipped with the pointer of inside water level ruler direction.This utility model's beneficial effect lies in by the transparent plate (observation port) of being set up in front and back, allow direct observation water level change, avoid the cumbersome operation of traditional overflow collection;It is simultaneously provided with double scale rule of inside and outside to provide double reference, reduce visual error, and suspension piece is driven pointer along with water level rise and fall, directly indicate water level height on inside water level ruler, greatly simplify reading process and reduce artificial error.

The present technology relates to a battery cell jig including a spacer laminate, a battery cell volume measuring apparatus including the battery cell jig, and a battery cell volume measuring method performed by using the apparatus. It is possible to easily adjust a space between first and second plates where a battery cell has been interposed therebetween by including a spacer which can be assembled in the spacer laminate. Further, it is possible to preventing stagnation of water at a space between the battery cell jig and the spacer when measuring the volume change of the battery cell by including a slit unit opened along a longitudinal direction in the spacer.

The utility model discloses an underground diaphragm wall mud specific gravity automatic detection device, and belongs to the technical field of mud detection.The underground diaphragm wall mud specific gravity automatic detection device comprises a display module and a detection module, and the detection module comprises a detection mounting rod and a mud specific gravity sensor; the mud specific gravity sensor is mounted on the detection mounting rod and used for detecting the specific gravity of mud in the mud pit, the display module comprises a display screen arranged at the top of the mud pit, and the display screen is electrically connected with the mud specific gravity sensor and used for displaying data detected by the mud specific gravity sensor. The mud pit has the advantages that detected data in the mud pit can be conveniently and visually observed, and then the proportion of mud in the mud pit can be rapidly adjusted in time.

This invention relates to the field of rock mechanics and intelligent detection technology, specifically a method and system for predicting rock strength and failure modes. The method includes: obtaining a multi-source feature set based on data acquisition from a rock sample; constructing a feature coefficient prediction model, inputting the multi-source feature set into the feature coefficient prediction model to obtain feature coefficients; filtering the multi-source feature set based on the feature coefficients to obtain an optimal feature subset; constructing a rock strength and failure mode prediction model, and optimizing the hyperparameters of the rock strength and failure mode prediction model using an automated hyperparameter optimization framework; inputting the optimal feature subset into the optimized rock strength and failure mode prediction model to obtain the predicted rock strength value and failure mode. This invention solves the problems of insufficient accuracy and inability to predict rock strength and failure modes simultaneously in existing technologies. Through multi-source data collaborative prediction, the accuracy of the prediction is greatly improved.

The utility model relates to the technical field of slurry specific gravity detection devices, and discloses a suspension type electronic slurry specific gravity detection device which comprises a device body, pressure sensors are arranged at openings in the two ends in a cylinder of the device body, and an insertion opening is formed in the upper end of the outer surface of the device body. And protective covers are arranged on the end faces of the two ends of the device body, and hanging rings are arranged at the centers of the ends, away from the device body, of the protective covers. According to the suspension type electronic mud specific gravity detection device, the detection rod and the lifting rope are arranged, the device body can be overhung out and slowly put into mud liquid, operation does not need to be conducted by being close to the side of a mud pit, the upper pressure sensor and the lower pressure sensor which are arranged in the device body are used for measuring pressure, the specific gravity of mud is calculated, operation is easy, and time and labor are saved.

This invention discloses a testing device and process for electroplating solution treatment of electronic components, relating to the field of electroplating solution testing technology. It includes a testing host with a display screen electrically mounted on its surface, a support base fixedly mounted on the upper surface of the host, a measuring frame fixedly mounted on the surface of the host, a hook rod sleeved on the surface of the measuring frame, and a glass weight hooked on the lower surface of the hook rod. The invention also includes a wiping device disposed on the upper side of the testing host for wiping the glass weight after use. By incorporating the wiping device, this invention facilitates the guidance and rapid wiping and drying of the glass weight, further reducing the possibility of residual electroplating solution adhering to the glass weight during use and potentially affecting subsequent experimental results. While facilitating normal operation of the testing host, it minimizes the error in electroplating solution measurement results and improves the accuracy of experimental results to a certain extent.

The invention relates to a device for measuring the capacity of diamagnetic porous materials to capture substances dissolved in a liquid medium. The device comprises: a sample holder containing a diamagnetic porous material, and an adsorbate captured in the pores of the diamagnetic material, a sample holder permanent magnet attached to the lower base of the sample-holding container, a receptacle inside which the container and the sample holder permanent magnet are housed in liquid suspension, and an external permanent magnet aligned vertically with the sample holder permanent magnet. The two magnets generate magnetic fields aligned vertically and facing each other, to float the sample-holding container, so that the separation distance between the sample holder permanent magnet and the external magnet or the electromagnet depends on the mass supported by the sample holder permanent magnet.

The utility model discloses an auxiliary device for measuring the density of a powder object, which comprises a base, four buffer grooves are arranged in the base and are symmetrically arranged on the front side and the rear side of the base, the inner surfaces of the four buffer grooves are slidably connected with sliding plates, one end of each sliding plate is fixedly connected with a movable column, and the other end of each sliding plate is fixedly connected with a fixed column. A handle is fixedly connected to the end, away from the sliding plate, of the movable column, a spring is arranged on the outer surface of the movable column, one end of the spring makes contact with the sliding plate, a connecting plate is fixedly connected to the outer surface of the sliding plate, the connecting plate is slidably connected with the interior of the buffer groove, and a supporting block is fixedly connected to the upper surface of the connecting plate. The collision buffer block can be tightly attached to the side wall of the container through rotation of the rotating block on the fixed column, the container can be accurately positioned and stably clamped from multiple directions, displacement or shaking of the container in the measurement process is effectively prevented, and accurate powder object density data can be obtained.

The invention discloses a device and a method for rapidly detecting ethyl acetate on line, and particularly relates to ethyl acetate detection equipment, the device comprises a floating densimeter and also comprises a temperature adjusting measuring cylinder, the temperature adjusting measuring cylinder comprises an outer cylinder and an inner cylinder, and the inner cylinder is used for bearing a solution and the floating densimeter; and the temperature adjusting assembly comprises a ceramic refrigeration sheet with a cold end and a hot end, the cold end and the hot end are each provided with a pipeline, the two ends of each pipeline communicate with the inner cylinder, and the solution flows and circulates along the pipelines so as to adjust the temperature. The ceramic refrigeration sheet is electrified, the two pipelines are heated by the hot end and the cold end, so that sample solutions in the two pipelines are exchanged according to the temperature of a sample, the temperature of the sample in the temperature-adjusting measuring cylinder is adjusted for temporary density detection, the whole implementation process is convenient, and the detection efficiency is high. And the density is detected at a lower price, so that the method is more suitable for detection on a production line.

The invention discloses a full-automatic measurement method and system for the density of a cable protection pipe, and belongs to the technical field of material physical property detection. The method is executed based on automatic equipment integrated with a weighing system, a carrying system and a control system, and comprises the following steps: after automatic peeling, a robot clamps a sample and places the sample on a dry sample table for dry weight weighing; then, through lifting of the lifting driving mechanism, the dry sample table is linked to break away from weighing, the wet sample table is pulled to break away from the impregnation liquid, and overtravel lifting continues to enable the cover plate to be separated from the wet sample table; after the robot transfers the sample to the wet sample table, the lifting mechanism descends to enable the cover plate to cover and fix the sample, the wet sample table is immersed in the impregnation liquid, and meanwhile, the dry sample table is reset for wet weight weighing; finally, the sample density is automatically calculated according to dry and wet weight data. The full-process automation of density measurement by the impregnation method is realized, and the measurement precision, efficiency and reliability are remarkably improved through precise sequential control and anti-pollution design.

The utility model discloses a detection platform suitable for a densimeter, and particularly relates to the technical field of densimeters, the detection platform comprises a densimeter and a transparent water tank arranged at the top of the densimeter, the bottom of the transparent water tank is provided with a supporting pressing plate, and the periphery of the top of the supporting pressing plate is symmetrically and fixedly connected with fixed cylinders; a fastening bolt is inserted into one side of the top end of the fixing cylinder, and an inserting rod is inserted into the top of the fixing cylinder. According to the utility model, the inserted link is inserted at the top of the fixed cylinder, the height of the support frame can be adjusted as required by rotating the fastening bolt and controlling the inserted link to move up and down, and the adjusted height is fixed, so that objects with different sizes can be conveniently adapted to carry out soaking test; through cooperation of the second connecting rod and the connecting rotating shaft, the two hooks can be operated at the same time by pinching or unfolding the second connecting rod, disassembly or hanging use is convenient, assembly and disassembly are convenient, and operation smoothness is improved.

The utility model discloses specific gravity detection alarm equipment for celecoxib production, which comprises a detection cylinder, an installation disc is fixed on the detection cylinder, an alarm box is arranged on the installation disc, a controller and an audible and visual alarm are arranged on the alarm box, a floating ring and a floating cylinder are arranged in the detection cylinder, the floating ring is sleeved outside the floating cylinder, and the controller is connected with the audible and visual alarm. A distance measuring sensor is installed on the floating ring and used for detecting the distance between the floating ring and the floating cylinder, the floating ring and the floating cylinder are supported through a bracket, the edge of the bracket extends out of a strip groove in the surface of the detection cylinder and is provided with a sliding sleeve, a screw penetrates through the sliding sleeve and is in threaded connection with the sliding sleeve, and one end of the screw is connected with a motor. The floating ring and the floating cylinder can directly extend into the reaction kettle for easy specific gravity detection, the trouble of repeated sampling detection is saved, and the floating ring and the floating cylinder can lift and move under the control of the sliding sleeve and the screw rod, so that the floating ring and the floating cylinder can be lifted to be away from a solution during stirring reaction in the reaction kettle, and the solution is prevented from overturning the floating ring and the floating cylinder.

The invention discloses a composite hydrometer capable of remotely transmitting signals, belongs to the technical field of solution density detection, and solves the problems that a traditional hydrometer needs manual reading and cannot automatically transmit data, and an electrode is easy to corrode and the precision needs to be frequently corrected in a conductivity measurement method. According to the technical scheme, a first floating unit and a second floating unit are sleeved in a sliding mode to form a combined body, and the ratios of the weights to the cross sectional areas are different; a sensing unit is arranged to detect the height difference or variable quantity of the two floating units caused by liquid density change, and converts the height difference or variable quantity into an electric signal or an optical signal; and the signal processing unit receives the signal and calculates the liquid density or the variable quantity according to the ratio, and the hydrometer realizes real-time remote transmission of measured data through a combination body with a specific shape and structure, and is suitable for various liquid density measurement scenes.

The present invention provides a double-sphere detection device and method for orbital atmospheric density. The device includes a first spherical device and a second spherical device. The diameter of the first spherical device is larger than that of the second spherical device, and the two spherical devices are connected by a connecting force-measuring device. The orbital atmospheric damping force is usually of a small magnitude, which requires extremely high requirements for detection equipment and is difficult to research, develop and manufacture. The double-sphere detection method and device for orbital atmospheric density of the present invention utilize double spheres with a huge difference in area-mass ratio, which can cleverly convert non-contact atmospheric damping into tensile force, reduce the design requirements for measurement equipment, and effectively extend the detection life and improve the detection accuracy by adjusting the masses and windward areas of the two spheres.

A simulated lunar soil inspection method for construction research. The method comprises: determining a particle size distribution parameter of a simulated lunar soil sample, and calculating a particle size distribution parameter similarity between the simulated lunar soil sample and real lunar soil; determining a mineral composition parameter of the simulated lunar soil sample, and calculating a mineral composition parameter similarity between the simulated lunar soil sample and the real lunar soil; determining a particle shape parameter of the simulated lunar soil sample, and calculating a particle shape parameter similarity between the simulated lunar soil sample and the real lunar soil; determining a density parameter of the simulated lunar soil sample, and calculating a density parameter similarity between the simulated lunar soil sample and the real lunar soil; and when the particle size distribution parameter similarity, the mineral composition parameter similarity, the particle shape parameter similarity and the density parameter similarity all exceed corresponding thresholds, the simulated lunar soil sample passing the inspection.

The invention discloses a liquid specific gravity monitor which comprises a detection rod, and a floater is installed on the detection rod in a sliding mode. The detection rod is further provided with two limiting blocks, and the two limiting blocks are arranged above and below the floater respectively. The detection rod is further provided with a reed switch, and the reed switch is arranged above the floater. A permanent magnet is further arranged in the floater, and the weight of the floater is increased by adding a balance weight into the floater. The device has the advantages of being simple in structure and stable in performance, and can be applied to most occasions where continuous detection is not needed.

An apparatus for testing a mechanical property of a buoyancy material in an abyssal environment and a test method are provided. The apparatus includes a split-type high-pressure tank. An independent tester is fixedly mounted inside the high-pressure tank. The tester includes a rack fixed inside the high-pressure tank by using mounting screws. A base is disposed on an upper surface of the rack. A column is vertically mounted to the base. A guide key is mounted to the column. A spherical-cage apparatus is mounted at a top of the column by using a ball holder. A spherical test piece is disposed inside the spherical-cage apparatus. A bottom of the spherical-cage apparatus is connected to a grating assembly by using a hook. A guide mechanism and a support are respectively mounted at a middle part and a lower part of the column. A light sensor and a light source are respectively disposed on two sides of the grating assembly. A bottom of the grating assembly is connected to the base by using a metering tension spring. Therefore, the mechanical property of the buoyancy material can be conveniently tested, to provide a new and effective method for performing technical judgment on the buoyancy material used in the abyssal environment, determining an effect generated in research of the buoyancy material, satisfying a balanced design requirement of a submersible, and the like.