CN110031348A - A kind of hand-held Fresh Grade Breast degree of lignification detection device and its detection method - Google Patents
A kind of hand-held Fresh Grade Breast degree of lignification detection device and its detection method Download PDFInfo
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- CN110031348A CN110031348A CN201910345355.7A CN201910345355A CN110031348A CN 110031348 A CN110031348 A CN 110031348A CN 201910345355 A CN201910345355 A CN 201910345355A CN 110031348 A CN110031348 A CN 110031348A
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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Abstract
The present invention relates to a kind of hand-held Fresh Grade Breast degree of lignification detection device and its detection methods, including shell, the enclosure interior is divided into left chamber body and right chamber body, sensor unit is fixed in left chamber body, sensor unit is composed of pressure sensor, tension sensor and sensor mat plate, pressure sensor connects the center conductive bar for passing perpendicularly through shell left end, and tension sensor connects periphery conductive bar connecting plate, and periphery conductive bar connecting plate connects the peripheral-traction bar for passing perpendicularly through shell left end；Installation A/D converter and data processor in right chamber body；The device of the invention structure is simple, it is light, it is easy to carry about with one, the portable inspectiont classification to Fresh Grade Breast lignifying grade in poultry meat processing may be implemented, save grade on production line the employing of personnel, the corresponding spending of nursery, Fresh Grade Breast quality ratings standard, while simple and direct-viewing operation have been standardized, the objectivity, accuracy rate and working efficiency of Fresh Grade Breast Quality Detection are improved.
Description
Technical field
The present invention relates to the detection and judgement of Fresh Grade Breast credit rating is related to, belong to processing of farm products and detection field, it is special
It is not a kind of hand-held Fresh Grade Breast degree of lignification detection device and its detection method.
Background technique
In recent years, bone-free Fresh Grade Breast is because its is full of nutrition, be easy to cook, the feature of price material benefit becomes consumer and likes
Meat products；Increase with market to bone-free Fresh Grade Breast demand, poultry farming enterprise constantly promote feeding efficiency, cultivate out
Meat rate is high, grows rapid broiler chicken kind.
Nowadays, broiler breeding rate compared with 50 years before shorten nearly half, and the liveweight of broiler chicken is that broiler chicken is living before 50 years
Twice of weight；However the popularization of poultry market fast-growing broiler chicken kind also brings a series of quality of poultry products with development
Problem, wherein the most urgent, maximum influence is wooden Fresh Grade Breast (Woody Breast, WB), production of poultry meat processing enterprise is every
Year is more than 200,000,000 U.S. dollars because of the economic loss that wooden Fresh Grade Breast generates.
The immediate cause for generating wooden meat, the quality of Fresh Grade Breast are not disclosed to the correlative study of wooden meat pathogenesis at present
Artificial finger pressure hardness determination method is taken in grade classification, but artificial finger pressure hardness rating method has the shortcomings that its is basic: first is that having
Subjectivity when different grading persons carries out lignifying ranking to identical Fresh Grade Breast, determines that there may be differences for result；
Second is that when same grading person carries out hardness level evaluation twice to identical Fresh Grade Breast, and its determining result there are inconsistency
It is also likely to be present difference；Third is that the grading of this method is at high cost, low efficiency.
Therefore, be badly in need of to Fresh Grade Breast lignifying grade classification methods and techniques further investigate, develop it is objective, accurate,
Efficient Fresh Grade Breast lignifying grade stage division.
Summary of the invention
It is an object of the invention to it is wooden to provide a kind of hand-held Fresh Grade Breast for deficiency present in above-mentioned background technique
Change degree detection device and its detection method.
To achieve the above object, the invention adopts the following technical scheme:
A kind of hand-held Fresh Grade Breast degree of lignification detection device, comprising:
Shell, the enclosure interior are divided into left chamber body and right chamber body；
Sensor unit, the sensor unit are fixed in left chamber body, and sensor unit includes the pressure sensing being disposed opposite to each other
Device and tension sensor, and the sensor backing plate being fixed between pressure sensor and tension sensor；
The right end of center conductive bar, the center conductive bar is connect with pressure sensor；The left end of center conductive bar passes perpendicularly through
Shell left side；
The right end of at least three periphery conductive bars, each periphery conductive bar is connected with periphery conductive bar connecting plate jointly, described
Periphery conductive bar connecting plate is located in left chamber body and connect with tension sensor；The left end of each periphery conductive bar passes perpendicularly through
Shell left side；And the height of center conductive bar stretching shell left end is higher than the height that periphery conductive bar stretches out shell left end；
Data processor, the data processor are fixed in right chamber body, for receiving sensor assembly signal and calculate pigeon breast
Meat lignifying grade；
A/D converter, the A/D converter are fixed in right chamber body, A/D converter respectively with sensor unit and data processing
Device connection.
Preferably, there are two liquid crystal display, the liquid crystal displays for setting on the right side of the shell
Screen is connect with data processor；Two liquid crystal displays are respectively used to display pressure and lignifying grade.
Preferably, the shell is cylindrical, and the left chamber body and right chamber body are circular cylindrical cavity；Institute
State the left side center of circle and the right side center of circle of pressure sensor and tension sensor difference face left chamber body；The periphery conductive bar
Connecting plate is the plectane parallel with left chamber body end face, and the periphery conductive bar totally three, three periphery conductive bars are with periphery conductive bar
It is distributed centered on the center of circle of connecting plate in product word；The tension sensor is connect with the center of periphery conductive bar connecting plate.
Preferably, sensor pressing plate is provided between the periphery conductive bar connecting plate and tension sensor
One, sensor pressing plate two is provided between the center conductive bar and pressure sensor；Two sensor pressing plates are accurately to pass
It pops one's head in up to pressure to pressure sensing.
Preferably, the pressure sensor and the lead of tension sensor from sensor backing plate stretch out with
A/D converter connection.
Preferably, the difference in height of the center conductive bar and periphery conductive bar is 1cm.
Preferably, handle is fixed on the shell；Convenient for testing staff's hand-held.
Invention also provides a kind of detection method of above-mentioned hand-held Fresh Grade Breast degree of lignification detection device, packets
Include following steps:
S1, it is manually graded by degree of lignification of the finger-press method to Fresh Grade Breast, rating scale is normal, slight, moderate, sternly
Four grades are weighed, respectively corresponds and is recorded using 0,1,2,3 four numerical value；
S2, the Fresh Grade Breast after artificial grading is placed on horizontal table top, operator's hand-held device makes center conductive bar and periphery
Conductive bar is perpendicular to Fresh Grade Breast apex zone surface；
Device is pressed down on Fresh Grade Breast by S3, operator, and center conductive bar first contacts Fresh Grade Breast, with the increasing of pressing dynamics
Add, pressure sensor detects the pressure F1 that center conductive bar is subject to；Continue to push with device, periphery conductive bar also contacts
Fresh Grade Breast and the effect of being under pressure, tension sensor receive each periphery conductive bar to Fresh Grade Breast table by periphery conductive bar connecting plate
The pressure F2 in face；The piezoelectric signal of measurement is transmitted to data processor by A/D converter, data processor records F1, F2, and
Calculate the pressure difference F of F1 and F2；
S4, S3 step is repeated more than three times to same Fresh Grade Breast, data processor seeks F1, F2 and the F repeatedly obtained respectively
Average value record；
S5, S1-S4 step is repeated, establishes Fresh Grade Breast lignifying rating database, every record of database is by same Fresh Grade Breast
F1, F2, the F obtained through S4, and the lignifying grade composition obtained through S1；
S6, training set is used as to every record in Fresh Grade Breast lignifying rating database, F1, F2 and the F recorded with every is
Input is output with lignifying grade, according to BP neural network modeling method, establishes the BP nerve net of Fresh Grade Breast degree of lignification
Network model；
S7, the Fresh Grade Breast that do not graded manually is detected by step S2-S3, F1, F2 and F that data processor obtains processing
The BP neural network model for inputting the Fresh Grade Breast degree of lignification that S6 is established, is calculated the lignifying grade of Fresh Grade Breast.
It is non-integer since BP neural network model calculates resulting lignifying grade point, it is therefore desirable to wooden to Fresh Grade Breast
Change grade and carry out the rounding method for being rounded the lignifying grade for the Fresh Grade Breast convenient for determining, being calculated in the S7 are as follows:
The numerical value of resulting lignifying grade is calculated less than 0.5, lignifying grade takes 0；
The numerical value of resulting lignifying grade is calculated between 0.5 and 1 (including 1), lignifying grade takes 1；
The numerical value of resulting lignifying grade is calculated between 1 and 2 (including 2), lignifying grade takes 2；
The numerical value for calculating resulting lignifying grade is greater than 2, and lignifying grade takes 3.
Compared with prior art, beneficial effects of the present invention are as follows: the device of the invention structure is simple, light, is easy to take
Band may be implemented to save rating reviewer on production line to the portable inspectiont classification of Fresh Grade Breast lignifying grade in poultry meat processing
Member employ, the corresponding spending of nursery, standardized Fresh Grade Breast quality ratings standard, while simple and direct-viewing operation, improved chicken
Objectivity, accuracy rate and the working efficiency of brisket Quality Detection.
Detailed description of the invention
Fig. 1 is the main view of apparatus of the present invention；
Fig. 2 is the right view of apparatus of the present invention；
Fig. 3 is the left view of shell；
Fig. 4 is housing interior structure schematic diagram；
Wherein: the periphery 1- conductive bar one, the periphery 2- conductive bar two, the periphery 3- conductive bar three, 4- center conductive bar, the conduction of the periphery 5-
Bar connecting plate, 6- sensor pressing plate one, 7- sensor backing plate, 8- sensor unit, 81- pressure sensor, 82- tension sensor,
9- sensor pressing plate two, 10- shell, 101- left chamber body, 102- right chamber body, 11-A/D converter, 12- LCD cover, 13-
Data processor, 14- liquid crystal display one, 15- liquid crystal display two, 16- power supply, 17- handle.
Specific embodiment
With reference to embodiment and attached drawing the present invention will be further described:
Referring to Fig.1 with a kind of hand-held Fresh Grade Breast degree of lignification detection device shown in Fig. 4, comprising: shell 10, shell 10 are
Cylindrical-shaped structure is fixed with handle 17 on shell 10, is convenient for testing staff's hand-held.
Two cylindrical left chamber bodies 101 and right chamber body 102 are divided into inside shell 10.
The inside of left chamber body 101 is fixed with sensor unit 8, and those skilled in the art can choose suitable installation and fix
Mode such as increases bracket and fixes, and guarantees that the whole position in left chamber body 101 of sensor unit 8 remains constant.
Sensor unit 8 includes the pressure sensor 81 being disposed opposite to each other and tension sensor 82, pressure sensor 81 and drawing
It is integral between force snesor 82 by the linking of sensor backing plate 7.
Sensor backing plate 7 plays the role of firm and obstructs two sensors, ensure that the stability of power sensing process, and two
It will not influence each other between a sensor；The lead of two sensors can be unified to lead to A/D across sensor backing plate 7 simultaneously
Converter 11 transmits electric signal.
The unification in power direction is detected in the present embodiment, pressure sensor 81 and tension sensor 82 are just respectively
The left side center of circle and the right side center of circle to left chamber body 101.
A center conductive bar 4 and three peripheral-traction bars (peripheral-traction bars 1, periphery biography are provided in left chamber body 101
Lever 22, peripheral-traction bar 3 are 3).
Pressure sensor 81 connects the right end of center conductive bar 4, and it is left that the left end of center conductive bar 4 then passes perpendicularly through shell 10
End face.
The right end of three periphery conductive bars is connected with periphery conductive bar connecting plate 5 jointly, and periphery conductive bar connecting plate 5 is and left chamber
The parallel plectane in 101 end face of body；Referring to shown in Fig. 3, three periphery conductive bars are in centered on the center of circle of periphery conductive bar connecting plate 5
The distribution of product word, guarantees three periphery conductive bar uniform forces when detection.
The left end of each periphery conductive bar passes perpendicularly through 10 left end of shell；And center conductive bar 4 stretches out the height of shell left end
It is higher than periphery conductive bar and stretches (peripheral-traction bar 1, peripheral-traction bar 22,33 protrusion height of peripheral-traction bar are consistent) and goes out shell
The difference in height of the height of 10 left end of body, center conductive bar 4 and periphery conductive bar is preferably 1cm.
Tension sensor 82 is connect with the center of periphery conductive bar connecting plate 5.
In the present embodiment, it is connected solid by sensor pressing plate 1 between periphery conductive bar connecting plate 5 and tension sensor 82
It is fixed, fixation is connected by sensor pressing plate 29 between center conductive bar 4 and pressure sensor 81, two sensor pressing plates to
Realize accurate reception and registration power to sensor probe.
In use, operator's hand-held device, by the periphery center conductive bar 4(conductive bar) face Fresh Grade Breast apex zone,
Then it gradually pushes with dynamics appropriate and (contacts Fresh Grade Breast stress to center conductive bar and periphery conductive bar), center when detection
Conductive bar 4 can first contact Fresh Grade Breast because height is higher, and the pressure F1 of Fresh Grade Breast feedback is detected by pressure sensor 81, with
Further pushing, each periphery conductive bar contacts Fresh Grade Breast, and the pressure F2 of Fresh Grade Breast feedback is acted on to periphery conductive bar connecting plate 5, by
Tension sensor 82 detects.
The center conductive bar 4 and week that the pressure sensor 81 and tension sensor 82 of the structure design of the present apparatus are respectively cooperating with
Side conductive bar, primarily to it is skimble-scamble to solve the problems, such as manually to exert a force when repeated detection to a certain extent, with two pressure
The hardness number of value F1, F2 and the two pressure difference value F overall merit Fresh Grade Breast, although not simple anti-of the pressure variable detected
Pigeon breast meat toughness is answered, but comprehensive three indexs can reduce the artificial influence for applying pressure size to a certain extent, in favor of inspection
The accuracy of survey.
Installation data processor 13 and A/D converter 11 in right chamber body 102, A/D converter 11 respectively with sensor unit 8
It is connected with data processor 13, is sent to data processing to receive the electric signal of sensor unit 8 and be converted to data-signal
Device 13；Data processor 13 is for receiving storage data-signal and calculating Fresh Grade Breast lignifying etc. according to the model of internal preset
Grade.
The right side of the shell 10 of the present embodiment is designed as LCD cover 12, and there are two liquid crystal displays for setting above
(liquid crystal display 1, liquid crystal display 2 15) and power supply 16(device can be with internal batteries, can also be with external power supply), liquid crystal
Display screen is connect with data processor 13；Liquid crystal display 1 and liquid crystal display 2 15 are respectively used to the pressure of display detection
With corresponding Fresh Grade Breast lignifying grade.
The specific detection method of aforementioned present invention equipment, comprising the following steps:
S1, manually graded by degree of lignification of the finger-press method to same a collection of Fresh Grade Breast, rating scale be it is normal, slightly,
Moderate, serious four grades are respectively corresponded and are recorded using 0,1,2,3 four numerical value.
Specific artificial ranking process is as follows: by after centainly training and having research or the staff couple of grading experience
Fresh Grade Breast carries out artificial crawl observation degree of lignification grading, rating scale are as follows:
Normally, whole sufficiently flexible, smooth in appearance, exquisiteness, flexibility is good, weighs Fresh Grade Breast both ends in the hand in the hand and freely hangs down.
Slightly, whole soft, there is slight hardness sense of touch in meat sample apex zone.
Moderate, meat sample hardness is concentrated mainly on apex zone, but bottom is still soft, weigh in the hand bottom in the hand still have it is certain
Sagging sense, meat sample can integrally perceive hardness presence, but still have certain flexibility at middle part to bottom section, and bottom is hidden
Boss caused by consideration hardness increases.
Seriously, meat sample entirety sense of touch is hard and without flexibility, increases with scoring score, integral hardness increases, and surface is presented
Lignitoid's texture structure.Weigh in the hand in the hand without sagging sense, usually can integral vertical in the hand, there are moisture film shape secretion and bottom in entire body surface
Portion is evident that boss, and position sample surface different piece is with the presence of accessibility bloodstain.
Artificial rating scale provided in this embodiment is the routine evaluations standard in industry, standard that however, it is not limited to this,
Existing lignifying ranking method, which can be included in the method for the present invention, to be carried out using final unified wooden with 0,1,2,3 four
Change level value record.
S2, the Fresh Grade Breast after artificial grading is placed on horizontal table top, operator's hand-held device makes center conductive bar 4
And periphery conductive bar is perpendicular to Fresh Grade Breast apex zone surface.
Device is pressed down on Fresh Grade Breast (dynamics is moderate, is gradually increased to periphery conductive bar stress) by S3, operator, in
Heart conductive bar 4 first contacts Fresh Grade Breast, and with the increase of pressing dynamics, pressure sensor 81 is detected by sensor pressing plate 29
The pressure F1 that center conductive bar 4 is subject to；Continue to push with device, periphery conductive bar 1,2,3 also contacts Fresh Grade Breast simultaneously simultaneously
The effect of being under pressure, tension sensor 82 receive each periphery conductive bar by periphery conductive bar connecting plate 5 and sensor pressing plate 1
To the pressure F2 on Fresh Grade Breast surface.
While detection, F1, F2, F can be shown simultaneously on liquid crystal display 1, be convenient for operator's control.
The piezoelectric signal of measurement is converted into data signal transmission to data processor 13, at data by A/D converter 11
It manages device 13 and records F1, F2, and calculate the pressure difference F of F1 and F2.
S4, S3 step is repeated more than three times to same Fresh Grade Breast, data processor 13 is to F1, F2 and the F repeatedly obtained points
Other averaged record.
S5, repeat S1-S4 step, Fresh Grade Breast lignifying rating database established by data processor 13, database it is every
Item records F1, F2, the F obtained by same Fresh Grade Breast through S4, and the lignifying grade composition obtained through S1.
S6, data processor 13 are used as training set to every record in Fresh Grade Breast lignifying rating database, with every
F1, F2 and F of record are input, are output with lignifying grade, according to BP neural network modeling method, it is wooden to establish Fresh Grade Breast
The BP neural network model of change degree.
S7, the Fresh Grade Breast that do not graded manually is detected by step S2-S3, data processor 13 obtains processing
F1, F2 and F input the BP neural network model for the Fresh Grade Breast degree of lignification that S6 is established, it can the Fresh Grade Breast is calculated
Lignifying grade.
It is non-integer since BP neural network model calculates resulting lignifying grade point, it is therefore desirable to wooden to Fresh Grade Breast
Change grade and carry out the rounding method for being rounded the lignifying grade for the Fresh Grade Breast convenient for determining, being calculated in the S7 are as follows:
The numerical value of resulting lignifying grade is calculated less than 0.5, lignifying grade takes 0, normally；
The numerical value of resulting lignifying grade is calculated between 0.5 and 1 (including 1), lignifying grade takes 1, slightly；
The numerical value of resulting lignifying grade is calculated between 1 and 2 (including 2), lignifying grade takes 2, moderate；
The numerical value for calculating resulting lignifying grade is greater than 2, and lignifying grade takes 3, seriously.
Above embodiments and Figure of description are only that preferred embodiments of the present invention will be described, not to this hair
Bright range is defined, and without departing from the spirit of the design of the present invention, those of ordinary skill in the art are to of the invention
The various changes and improvements that technical solution is made should all be fallen into the protection scope that claims of the present invention determines.
Claims (9)
1. a kind of hand-held Fresh Grade Breast degree of lignification detection device, it is characterised in that: include:
Shell, the enclosure interior are divided into left chamber body and right chamber body；
Sensor unit, the sensor unit are fixed in left chamber body, and sensor unit includes the pressure sensing being disposed opposite to each other
Device and tension sensor, and the sensor backing plate being fixed between pressure sensor and tension sensor；
The right end of center conductive bar, the center conductive bar is connect with pressure sensor；The left end of center conductive bar passes perpendicularly through
Shell left side；
The right end of at least three periphery conductive bars, each periphery conductive bar is connected with periphery conductive bar connecting plate jointly, described
Periphery conductive bar connecting plate is located in left chamber body and connect with tension sensor；The left end of each periphery conductive bar passes perpendicularly through
Shell left side；And the height of center conductive bar stretching shell left end is higher than the height that periphery conductive bar stretches out shell left end；
Data processor, the data processor are fixed in right chamber body, for receiving sensor assembly signal and calculate pigeon breast
Meat lignifying grade；
A/D converter, the A/D converter are fixed in right chamber body, A/D converter respectively with sensor unit and data processing
Device connection.
2. a kind of hand-held Fresh Grade Breast degree of lignification detection device, it is characterised in that: be provided on the right side of the shell
Two liquid crystal displays, the liquid crystal display are connect with data processor.
3. a kind of hand-held Fresh Grade Breast degree of lignification detection device, it is characterised in that: the shell is cylindrical, the left chamber
Body and right chamber body are circular cylindrical cavity；The left side center of circle of the pressure sensor and tension sensor difference face left chamber body
With the right side center of circle；The periphery conductive bar connecting plate be the plectane parallel with left chamber body end face, the periphery conductive bar totally three,
Three periphery conductive bars are distributed centered on the center of circle of periphery conductive bar connecting plate in product word；The tension sensor and periphery are conducted
The center of bar connecting plate connects.
4. a kind of hand-held Fresh Grade Breast degree of lignification detection device according to claim 1 or 3, it is characterised in that: institute
It states and is provided with sensor pressing plate one between periphery conductive bar connecting plate and tension sensor, the center conductive bar and pressure sensor
Between be provided with sensor pressing plate two.
5. a kind of hand-held Fresh Grade Breast degree of lignification detection device according to claim 1, it is characterised in that: the pressure
Force snesor and the lead of tension sensor are stretched out from sensor backing plate to be connect with A/D converter.
6. a kind of hand-held Fresh Grade Breast degree of lignification detection device according to claim 1 or 3, it is characterised in that: institute
The difference in height for stating center conductive bar and periphery conductive bar is 1cm.
7. a kind of hand-held Fresh Grade Breast degree of lignification detection device according to claim 1, it is characterised in that: the shell
Handle is fixed on body.
8. a kind of detection method of hand-held Fresh Grade Breast degree of lignification detection device according to claim 1, feature
It is: the following steps are included:
S1, it is manually graded by degree of lignification of the finger-press method to Fresh Grade Breast, rating scale is normal, slight, moderate, sternly
Four grades are weighed, respectively corresponds and is recorded using 0,1,2,3 four numerical value；
S2, the Fresh Grade Breast after artificial grading is placed on horizontal table top, operator's hand-held device makes center conductive bar and periphery
Conductive bar is perpendicular to Fresh Grade Breast apex zone surface；
Device is pressed down on Fresh Grade Breast by S3, operator, and center conductive bar first contacts Fresh Grade Breast, with the increasing of pressing dynamics
Add, pressure sensor detects the pressure F1 that center conductive bar is subject to；Continue to push with device, periphery conductive bar also contacts
Fresh Grade Breast and the effect of being under pressure, tension sensor receive each periphery conductive bar to Fresh Grade Breast table by periphery conductive bar connecting plate
The pressure F2 in face；The piezoelectric signal of measurement is transmitted to data processor by A/D converter, data processor records F1, F2, and
Calculate the pressure difference F of F1 and F2；
S4, S3 step is repeated more than three times to same Fresh Grade Breast, data processor seeks F1, F2 and the F repeatedly obtained respectively
Average value record；
S5, S1-S4 step is repeated, establishes Fresh Grade Breast lignifying rating database, every record of database is by same Fresh Grade Breast
F1, F2, the F obtained through S4, and the lignifying grade composition obtained through S1；
S6, training set is used as to every record in Fresh Grade Breast lignifying rating database, F1, F2 and the F recorded with every is
Input is output with lignifying grade, according to BP neural network modeling method, establishes the BP nerve net of Fresh Grade Breast degree of lignification
Network model；
S7, the Fresh Grade Breast that do not graded manually is detected by step S2-S3, F1, F2 and F that data processor obtains processing
The BP neural network model for inputting the Fresh Grade Breast degree of lignification that S6 is established, is calculated the lignifying grade of Fresh Grade Breast.
9. a kind of detection method of hand-held Fresh Grade Breast degree of lignification detection device according to claim 8, feature
It is: the rounding method of the lignifying grade for the Fresh Grade Breast being calculated in the S7 are as follows:
The numerical value of resulting lignifying grade is calculated less than 0.5, lignifying grade takes 0；
The numerical value of resulting lignifying grade is calculated between 0.5 and 1 (including 1), lignifying grade takes 1；
The numerical value of resulting lignifying grade is calculated between 1 and 2 (including 2), lignifying grade takes 2；
The numerical value for calculating resulting lignifying grade is greater than 2, and lignifying grade takes 3.
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Cited By (2)
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| CN110018164A (en) * | 2019-04-17 | 2019-07-16 | 滁州学院 | A kind of Fresh Grade Breast lignifying grade classification method and device based on three-dimensional imaging |
| CN113358705A (en) * | 2021-05-25 | 2021-09-07 | 南京农业大学 | Chicken breast lignification grading method based on bioelectrical impedance technology |
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