296 results about "Plant stem" patented technology

The invention discloses a method and system for estimating irrigation water consumption and water utilization efficiency, and relates to the technical field of water resource management, and the method comprises the steps: collecting the plant stem flow rate, canopy temperature and soil profile water content data of a target area through a multi-source sensing device, and obtaining a gradient and permeability distribution diagram of a geographic information system; dividing the farmland of the target area into sub-areas with different irrigation priorities based on a soil conductivity mutation point detection algorithm; constructing a dynamic water demand model fused with the plant transpiration hysteresis effect, performing space-time correlation analysis on the stem flow rate data and the soil moisture content gradient, and calculating the real-time water demand intensity of each sub-region; the method comprises the following steps: accessing short-time rainfall prediction data of a meteorological radar, dynamically correcting a future irrigation decision by adopting a sliding time window mechanism, and triggering a gradient delay irrigation instruction when the predicted rainfall amount exceeds an irrigation threshold value; and calculating the actual moisture utilization efficiency based on the inversion data of the moisture content of the irrigated soil and the unmanned aerial vehicle multispectral image.

1. The name of the product under this design: Gardening shears. 2. Purpose of the product of this design: A pair of scissors used for gardening, especially suitable for delicate work such as pruning flowers, young branches, small plant stems or leaves. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: Stereoscopic diagram 1.

1. The name of the product under this design: Gardening shears. 2. Purpose of the product of this design: A pair of scissors used for gardening, especially suitable for delicate work such as pruning flowers, young branches, small plant stems or leaves. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: Stereoscopic diagram 1.

The invention discloses application of ZmRIN4 protein in regulation and control of corn stalk strength, and belongs to the technical field of biological breeding. The technical problem to be solved by the invention is how to regulate and control the stalk strength of plants, for example, how to regulate and control the stalk strength of corns. In order to solve the technical problem, the invention provides a method for increasing the stalk strength and / or stalk diameter of a plant, and the method can be used for increasing or improving the stalk strength and / or stalk diameter of a receptor plant by knocking out ZmRIN4 protein in the receptor plant. The receptor plant is a plant containing a coding gene of the ZmRIN4 protein, and the ZmRIN4 protein is a protein with an amino acid sequence as shown in SEQ ID No. 1. The application discloses the effect of ZmRIN4 in regulating and controlling the strength of corn stalks for the first time; the method can be applied to corn breeding to directionally and accurately improve lodging-resistant and close-planting molecular design breeding of corn, and has a wide market prospect.

The invention belongs to the technical field of agricultural microorganisms, and particularly relates to pseudomonas fluorescens as well as a microbial agent and application thereof. The invention discloses a pseudomonas fluorescens TJ194, which is preserved in the China General Microbiological Culture Collection Center (CGMCC), and the preservation number is CGMCC No.33697. The pseudomonas fluorescens TJ194 has the advantages that the pseudomonas fluorescens TJ194 can be used for preparing the pseudomonas fluorescens TJ194, and the pseudomonas fluorescens TJ194 can be used for preparing the pseudomonas fluorescens TJ194; tests prove that the strain has the activity of inhibiting the growth of fusarium pseudograminearum; by applying a fungicide containing the strain, the disease index of the wheat stem rot is remarkably reduced, and meanwhile, the fresh weight of the overground part and the underground part of wheat is increased, so that the pseudomonas fluorescens TJ194 and the fungicide thereof can be applied to prevention and treatment of the plant stem rot and promotion of plant growth.

The invention relates to a deep learning-based soybean plant stem related phenotype automatic acquisition method, which comprises the following steps of: fusing deep learning and an image processing technology for use through eight steps, training a target detection model to identify stem nodes through deep learning aiming at a whole soybean plant image in a mature period in combination with soybean plant morphological characteristics, and automatically acquiring the related phenotype of a soybean plant stem. A semantic segmentation model is trained to extract a stem region, a stem node detection result is optimized in combination with a stem region extraction result, then in combination with image binarization processing, a multipath planning algorithm is designed to realize stem node positioning, sorting, counting and stem node spacing calculation on the reconstructed main stem and branches, and the stem thickness of the main stem and the stem thickness of the branches are obtained by using a maximum inscribed circle method; the automatic acquisition of the related phenotypes of the whole plant stalks of the soybeans in the mature period is realized, and massive phenotype data is provided for breeders. The defect that the phenotypic data of the whole soybean plant is acquired by an existing manual and sensor detection method and an image processing method is overcome, and the phenotypic data can be acquired objectively, accurately, automatically and efficiently.

The invention provides a wearable multi-element synergistic plant growth monitoring device and system, and relates to the technical field of plant cultivation. The device comprises a gas sensing module for detecting gas information of a surrounding environment of a plant, a laser sensing module for detecting the diameter of a plant stem, an electrochemical sensing module for collecting juice of a target plant and obtaining biological information of the target plant based on the juice, and a central control module for coordinating and controlling actions of multiple modules, the diameter of the stem of the target plant is obtained through the laser sensing module, and the biological information is collected through the electrochemical sensing module after the gas information and / or the diameter of the stem reach the preset judgment condition, so that the multiple modules work cooperatively, key detection nodes are concerned, the plant growth monitoring precision and the effectiveness of the detection result are improved, and the detection efficiency is improved. The precision and efficiency of planting in agricultural work are improved, and improvements such as yield increase, quality improvement and energy conservation are achieved.

The present invention belongs to the field of daily chemicals, and discloses a mitochondrial energy improvement composition, application and cosmetic based on plant stem cells. The composition comprises the following components in parts by weight: 0.0005 - 1 part of sunflower bud extract; 0.0005 - 1 part of lemon balm extract; 0.0005 - 1 part of epigallocatechin gallate or epigallocatechin gallate. The composition of the present invention combines sunflower bud extract, lemon balm extract, epigallocatechin gallate or epigallocatechin gallate, and it is found that the combination of the three has obvious ability to improve cell mitochondrial dysfunction, enhance mitochondrial energy and increase the content of type I collagen, and can be used as a potential alternative for anti-wrinkle active ingredients in cosmetics.

The invention belongs to the field of daily chemicals, and discloses a mitochondrial energy improving composition based on plant stem cells, application and cosmetics, the composition comprises the following components by weight: 0.0005-1 part of sunflower bud extract; 0.0005 to 1 part of a melissa officinalis extract; and 0.0005 to 1 part of epigallocatechin gallo glucoside or epigallocatechin gallate. According to the composition disclosed by the invention, the sunflower bud extract, the melissa officinalis extract, the epigallocatechin gallyl glucoside or the epigallocatechin gallate are combined, and the combination of the sunflower bud extract, the melissa officinalis extract, the epigallocatechin gallyl glucoside and the epigallocatechin gallate has the effects of obviously improving the cell mitochondrial dysfunction, improving the mitochondrial energy and increasing the content of I-type collagen; the composition can be used as a potential optional scheme of anti-wrinkle active ingredients in cosmetics.

The invention discloses a method for promoting growth or resisting diseases of oilseed rape. The research finds that any one or a combination of more of bacillus subtilis B.subtilis 168, trichoderma harzianum T.harzianum 25852 and trichoderma harzianum T.harzianum 52623 can effectively promote the growth of rape seedlings, and the growth mainly shows that the plant stem diameter, the plant height and the increase of the biomass of the overground part and the underground part. Wherein the trichoderma harzianum T.harzianum 25852, and the combination of the bacillus subtilis B.subtillis 168 and the trichoderma harzianum T.harzianum 25852 also have a relatively good sclerotinia rot prevention and treatment effect. The microorganism provided by the invention has the characteristics of high efficiency, no pollution, difficult generation of drug resistance and the like in the aspect of oilseed rape production, has great application potential, and has important significance for promoting the improvement of oil productivity and green low-carbon efficient production in China.

The invention relates to the field of agricultural seedling raising, and discloses a net shed seedling raising substrate and a preparation method and application thereof, the net shed seedling raising substrate comprises a modified peat-attapulgite composite material, perlite, a water-absorbing gel, a complex microbial inoculant and a fertilizer component; the modified peat-attapulgite composite material is prepared by compounding peat and attapulgite in an acid leaching manner by using a hydrochloric acid solution; the water-absorbing gel is prepared by forming a double-layer network structure by using aminated diatomite, an aminated water-absorbing polymer, sodium alginate, an initiator, a cross-linking agent, an accelerator, calcium bentonite and a calcium chloride solution, the aminated diatomite is prepared by modifying by using dopamine, and the aminated water-absorbing polymer is prepared by using polyvinyl alcohol and agar as polymeric monomers. According to the invention, the water-absorbing gel and the modified peat-attapulgite composite material are added into the seedling culture substrate, so that the conductivity can be reduced, the maximum water-holding capacity is improved, and the cultured plant has thick stems and strong seedlings.

The invention relates to the technical field of plant genetic engineering, in particular to a transcription factor CsKNAT1 and application thereof in regulation and control of development of tea trees. The nucleotide sequence of the gene is as shown in SEQ ID NO: 1, and the sequence of protein coded by the gene is as shown in SEQ ID NO: 2. Research finds that overexpression of the CsKNAT1 gene can influence the form of plant leaves: the edges of the leaves are promoted to have notches (asymmetric leaves are formed, resulting in increase of sawteeth at the edges of the leaves); the formation of compound leaves can be promoted; leaves on plant stems can grow in a rosette form, and secondary stems are bolted in the middles of rosette leaves; the research also finds that the overexpression of the CsKNAT1 gene can obviously influence the flowering phase and the flower form of the plant; the delay of the flowering phase is promoted; overexpression of the CsKNAT1 gene can further influence development of floral organs and formation of siliques, part of arabidopsis plants have phenotypes that corolla becomes small, stamens are exposed, petals gradually extend and are zigzag in a wavy shape, the length of mature siliques is remarkably shortened by 20%-36.1%, and the phenomenon that the fruits are aborted occurs.

The invention discloses a granular bio-organic fertilizer containing biostimulant and a production process thereof, the bio-organic fertilizer comprises the following raw materials by mass: 35%-55% of activated mineral source humic acid, 40%-50% of plant stalk, 5%-15% of oil cake, 0.5%-1.0% of a decomposing inoculant, 0.2%-0.4% of aminobutyric acid, 0.8%-1.6% of polyglutamic acid, and 0.5%-1.0% of a functional inoculant. The production process comprises the steps of fermentation, after-ripening, granulation and film coating. The biological organic fertilizer containing various active substances is obtained by efficiently integrating four types of biostimulants, namely activated mineral source humic acid, aminobutyric acid, polyglutamic acid and functional microorganisms; the production process is simple, the production cost is low, obvious adhesion, caking or hypha growth cannot occur in the shelf life, the survival time of the strain is effectively prolonged, and application and popularization and fertilizer efficiency exertion of the product are facilitated.

The invention relates to the field of plant molecular biology, in particular to a gene for controlling stem diameter and height of a tomato plant and application of the gene, the gene is an MYC1 gene, and the MYC1 gene is a nucleotide sequence capable of coding the following protein (a) or (b): (a) a protein composed of an amino acid sequence shown in SEQ ID NO: 2; and (b) a protein which is derived from (a) and has the same enzyme activity, wherein one or more amino acid sequences are substituted, deleted or added into the amino acid sequence in (a). The gene can control the stem diameter and height of a tomato plant, and by increasing the expression quantity of the MYC1 gene in the tomato plant, the stem of the tomato plant can be thickened, the internode spacing of the tomato plant can be shortened, and the tomato plant can be shortened. Furthermore, the stem diameters and heights of different plants and the subsequent cultivation of varieties with different stem diameters and heights can be controlled through a subsequent cloning technology.

A method for determining cross track error, comprising calibrating a stalk sensor with two or more set points, detecting plant stalks by the stalk sensor, measuring a stalk angle for each plant stalk, and measuring presence and amount of cross track error based on the stalk angle.

The invention relates to the technical field of plant cultivation, and discloses a plant root growth regulation and control method which comprises the steps of drying inorganic soil, fixing roots of nursery stocks or cutting living stumps, digging pits, treating soil, laying isolating membranes, backfilling the inorganic soil and the like. The non-rooting area of the plant root is backfilled with relatively dry inorganic soil with low organic matter content and covered with the isolating membrane, moisture and nutrient exchange between the plant stem and surrounding soil is isolated, an artificial improved soil environment for inhibiting development of the root system of the plant stem is formed, and the plant root system does not grow or grows less in the area. Nutrient components required by root growth are injected into the plant root rooting area in advance to form a soil environment beneficial to full development of plant roots, and the plant roots are guided to be fully developed in the area by utilizing the characteristics of hydrophilicity and mineral affinity of the plant roots, so that the purpose of regulating and controlling the plant roots to fully grow in deep soil is achieved.

The invention discloses a plant combination extract with whitening and anti-aging effects and a preparation method and application thereof, and particularly relates to the field of application of natural active substances, and the plant combination extract comprises a sterile tissue culture method of plant stem cells, a functional component enrichment strategy under regulation and control of an inducer, and a cell wall enzymolysis and grinding centrifugation synergistic extraction process. The invention also provides a synergistic application path of the obtained composite extract in multiple skin care mechanisms such as whitening, oxidation resistance, inflammation resistance, collagen metabolism regulation and the like. A compound active extract system is constructed by combining a multi-source induction enrichment mechanism of ginseng stem cells, centella stem cells and schizonepeta stem cells based on tissue culture with a plant cell wall enzymolysis extraction process, so that a natural, safe and efficient multi-channel synergistic whitening and anti-aging function is realized; therefore, the problems of single source of functional components, strong irritation, poor safety, insufficient long-term efficacy and the like in the existing product are effectively solved.

The invention belongs to the technical field of three-dimensional image processing, and particularly relates to a seedling-stage sweet pepper point cloud skeletonization and phenotype measurement method. Comprising the following steps: step 1, acquiring a crop plant point cloud image; 2, preprocessing the point cloud image; step 3, segmenting the stem point cloud of the point cloud image; step 4, segmenting the leaf point cloud of the point cloud image; 5, measuring the plant height of the capsicum annuum plants; 6, measuring the stem diameter of the sweet pepper plant; and 7, evaluating a phenotypic data result. According to the method, the continuous stem lines can be more reliably extracted from a complex structure, then the complete stem point cloud is restored, it is ensured that the measurement result is not sensitive to noise, the stem thickness of the designated position can be accurately reflected, the measurement accuracy and repeatability are remarkably improved, the trunk can be intelligently and automatically recognized, and the accuracy and repeatability of the measurement are improved. Depending on manual selection or simple rules is avoided, and the automation degree and reliability of the method on complex plants are improved.

The invention provides a plant physiological status monitoring method and device based on a flexible wearable sensor, is applied to a plant physiological status monitoring system, and relates to the technical field of agriculture. The system comprises a flexible wearable stem diameter detection device and a monitoring terminal. The flexible wearable stem diameter detection equipment is arranged on a stem of a plant; the method comprises the following steps: acquiring the stem diameter of a plant based on flexible wearable stem diameter detection equipment; carrying out real-time physiological status monitoring on the plant based on the stalk diameter of the plant; wherein the plant physiological status monitoring at least comprises one of plant transpiration monitoring, plant fruit cracking monitoring, plant nutrient deficiency monitoring, plant flooding stress monitoring and plant drought stress monitoring; the stalk diameter of the plant is acquired through the flexible sensor arranged on the stalk of the plant, and the physiological status of the plant is monitored based on the stalk diameter of the plant, so that the labor management cost is reduced, the growth environment of the crop is optimized, and the healthy growth of the crop is promoted.

The utility model provides a grassland stem girth measuring device for ecological restoration, which comprises a handle, a measuring device and a measuring device, the winding assembly is arranged on the inner side face of the mounting cavity; the measuring tape is wound on the outer side face of the winding assembly, and one end of the measuring tape extends to the outer side face of the handle; the caliper is arranged at one end of the handle, and the winding assembly comprises a rotating shaft and a torsional spring. According to the grassland stem circumference measuring device for ecological restoration, through mutual cooperation of the handle, the rolling assembly, the measuring tape, the caliper and other structures, when the grassland plant stem circumference is measured, the thick stem circumference and the thin stem circumference can be measured by a user through the measuring tape and the caliper respectively, the user does not need to carry many measuring tools, and the measuring efficiency is improved. Not only is the use of a user facilitated, but also the burden of workers is reduced.

The invention discloses a plant stem cell nutrition synergist, and belongs to the technical field of plant stem cell nutrient solutions. The nutrient synergist can significantly improve the proliferation rate and survival rate of stem cells, promotes differentiation of the stem cells to target cell types, plays an important role in stem cell culture, can significantly improve the culture efficiency of the stem cells, provides comprehensive nutrient support and a suitable growth environment for stem cell culture, and has good application prospects. Proliferation and differentiation of the stem cells are promoted, and further research on the plant stem cells is facilitated.

The invention discloses a corn ZmGLN3 gene and application of the corn ZmGLN3 gene in increasing the protein content of plant stems. QTL positioning is carried out based on a BC2S2 group of wild corn Ames21814 and modern cultivated corn B73, a key gene ZmGLN3 for controlling the corn stalk protein content is excavated, and structural variation analysis finds that the ZmGLN3 gene has tandem repeat variation in the Ames21814, so that the expression quantity of the gene in the Ames21814 is remarkably improved, and the total protein content of the stalk and the whole plant of the Ames21814 is further effectively improved. The invention also finds that the stem protein content of the ZmGLN3 gene overexpression material is also obviously improved. The discovery of the ZmGLN3 gene and the excellent haplotype thereof provides an efficient means for genetic improvement and germplasm resource innovation of whole-plant silage corn, and has important application value and economic prospect.

The invention provides a feedback irrigation method and device based on a plant wearable device and electronic equipment, is applied to a feedback irrigation system, and relates to the technical field of agriculture. The method comprises the steps that stem diameter detection equipment obtains stem diameter data of a plant and sends the stem diameter data to a data receiver; the data receiver uploads the stem diameter data to a cloud server; the monitoring terminal obtains target stem diameter data of the target plant in the cloud server; the monitoring terminal inputs the target stem diameter data into a pre-trained irrigation model, outputs an irrigation strategy and sends the irrigation strategy to feedback irrigation equipment; wherein the irrigation strategy comprises irrigation time, irrigation volume, irrigation flow and working pressure of feedback irrigation equipment; feedback irrigation equipment executes an irrigation strategy; the stem diameter detection device is used for detecting the diameter change of the plant stem, and whether the plant is short of water or not and the needed watering amount can be directly known through data analysis.

The utility model discloses an anti-toppling fixing support for gardening planting, and relates to the technical field of gardening planting, the anti-toppling fixing support comprises four groups of supporting columns, movable rods are arranged in the middle of the upper ends of the four groups of supporting columns, and a group of top plates are arranged between the upper ends of the movable rods on the left side and the right side; mounting rods are arranged between the side walls of the two sets of supporting columns on the left side and the right side, a transmission rod is arranged between the side walls of the two sets of supporting columns on the front side, a crank is arranged on the outer wall of one set of supporting columns and located in front of one set of mounting rods, and first threaded sleeves are arranged in the middles of the upper ends of the two sets of mounting rods correspondingly; first threaded rods are arranged in the middles of the upper ends of the two first threaded sleeves correspondingly, and the upper ends of the two first threaded rods are connected with the lower ends of a set of top plates correspondingly. According to the anti-toppling fixing support for gardening planting, the height can be adjusted according to the growth condition of plants, and plant stems can be fixed more conveniently.

A mowing and intake device (14-21) for a machine (10) for mowing stalk-like crops, which is equipped with a frame (12) movable in a forward direction (V) over a field, wherein: the mowing and intake device (14-21) is equipped with a lower cutting disc (24) and conveying discs (28) arranged above it, with recesses (26) distributed around their circumference for receiving plant stems, and the cutting disc (24) and the conveying discs (28) are rotatably supported on a gearbox housing (44) about a common axis of rotation, one or more dividing tips (32) located upstream of the mowing and intake device (14-21) are attached to a bracket (46) which is connected by screw connections in a positionally adjustable manner to a console (48) which in turn is attached to the frame (12), and the holder (46) is only positionally adjustable relative to the console (48) about the axis of rotation of the cutting disc (24) and conveyor discs (28).

The present invention relates to the field of biotechnology and relates to a kind of alfalfa MsCAL Gene, and its application, MsCAL The nucleotide sequence of the gene is shown in SEQ ID No.29. MsCAL The gene is specifically expressed in the plant stem apex, with the highest expression level in the floral organs during the reproductive growth stage, indicating that it is specifically involved in the plant flowering process. MsCAL Gene overexpression caused transgenic Arabidopsis to flower early, become dwarfed, and have fewer rosette leaves. In addition, the transgenic Arabidopsis changed from an indeterminate inflorescence to a finite inflorescence. Quantitative results of known genes regulating flowering time and floral organ development in Arabidopsis showed that MsCAL It can regulate the expression of downstream flowering and flower organ development related genes. MsCAL The expression delayed flowering, reduced crude fiber and lignin content, and increased forage digestibility and crude protein content.

The invention relates to the technical field of green soy bean harvesters, and discloses a portable green soy bean harvester which comprises a flapping assembly, a supporting leg, a base fixed to the top of the supporting leg, a machine shell fixed to the top of the base, a feeding plate arranged on one side of the base, a supporting arm fixed to the interior of the machine shell, and a first rotating roller rotationally connected to the interior of the supporting arm. And a second rotating roller is rotationally connected into the other supporting arm, and beating rods are fixed to the surfaces of the first rotating roller and the second rotating roller correspondingly. The device has the advantages that automatic conveying and clamping are achieved, manpower is saved, waiting is avoided, in the separating assembly, green soybean plant stalks can be automatically clamped and conveyed through a conveying belt, a clamping base and a clamping cover of a conveying piece, an extrusion plate and an extrusion wheel of a matched extrusion piece and a blocking rod of an auxiliary piece, and manual hand holding is not needed; the plants are driven to move in the machine shell in the conveying process, the beating assembly is matched for operation, the waiting time for manually placing and taking the plants is saved, and the continuous operation efficiency is improved.

The invention relates to the technical field of plant growth synchronous monitoring, in particular to a cold and arid mining area mine water and soil remediation and plant growth synchronous monitoring planting device which comprises a base, a supporting mechanism is installed at the top of the base, the supporting mechanism comprises a supporting rod, and the supporting rod is fixedly installed at the top of the base; a plurality of first sliding grooves are formed in the surface of the supporting rod, the fixing rings are slidably installed in the first sliding grooves, second sliding grooves are formed in the surface of the fixing rings, and the telescopic rods are slidably installed in the second sliding grooves. Through the arrangement of the supporting mechanism, a worker can directly judge the growth condition of plant branches through the position of a pointer on an indicating dial, an arc-shaped plate provides stable and adjustable clamping force through a spring, the arc-shaped plate can be precisely attached to plant stalks, measurement errors caused by clamping looseness are avoided, and the measurement accuracy is improved. The accuracy of stem diameter change data is ensured, and the quantitative requirement of experimental data is met.

The invention provides a fixing device for planting single submerged plants in shallow lakes, and belongs to the technical field of planting device.The fixing device comprises a fixing rod and a grapnel fixedly connected to the bottom wall of the fixing rod, a telescopic groove is formed in the inner wall of the grapnel, and a first reinforcing rod and a second reinforcing rod are slidably connected to the inner wall of the telescopic groove; the top wall of the first reinforcing rod is fixedly connected with a first spring, the top wall of the second reinforcing rod is fixedly connected with a second spring, the ends, away from the first reinforcing rod and the second reinforcing rod, of the first spring and the second spring are further fixedly connected with a claw hook, and the inner wall of the claw hook is connected with an adjusting assembly used for conducting telescopic adjustment on the first reinforcing rod and the second reinforcing rod. The outer wall of the fixing rod is slidably connected with a fixing part used for fixing the plant stem, the stability of the fixing rod is further improved under the action of the first reinforcing rod and the second reinforcing rod, and meanwhile, the convenience of adjusting the plant stem state is conveniently improved under the action of the fixing part.

The utility model relates to the technical field of plant detection, in particular to plant stem length increase acquisition equipment, which comprises a hollow rack and a hollow protective shell, a support plate is detachably connected in the rack, a data processing component is detachably connected to the top of the support plate, and a data acquisition module is detachably connected to the top of the data processing component. A shooting assembly used for shooting a test sample is arranged on one side of the rack, a signal receiving assembly used for receiving signals is arranged on one side of the shooting assembly, and a radar ranging assembly used for measuring the height of the test sample is arranged on the lower half portion of the side, facing the test sample, of the rack. Through the arrangement of the guide rail and the chain, the guide rail controls the advancing direction, the chain controls the advancing distance of the rack, and the rack moves regularly, data sent by different samples passing through the rack in the moving process within different time can be collected, stalk data of different samples can be measured at the same time, the maintenance cost is reduced, and the working efficiency is improved. And meanwhile, the consistency of equipment is controlled, and the accuracy of measured data is ensured.