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57 results about "Head length" patented technology

A human head will typically range from 54 to 57 inches in circumference. The length is on average 21 to 22 inches and the width is 17 to 18 inches. add a comment.

Method and special device for rapidly identifying wild large yellow croaker

The invention discloses a method for rapidly identifying a wild yellow croaker, comprising the steps of measuring eye diameter, head length, body height, body length, lip length, head length, caudal peduncle height and caudal peduncle length and screening out the wild yellow croaker according to a screening standard, wherein the ratios of the eye diameter to the head length, the body height to the body length, the lip length to the head length and the caudal peduncle height to the caudal peduncle length are calculated. The invention also discloses a special device with the method, comprising a machine base provided with a conveyer belt, wherein the upper edge of the machine base is provided with a glass plate so that the conveyer belt, the machine base and the glass plate form a tube body cavity the upper side of which is transparent; a support is arranged at the middle part of the side of the machine base and is provided with a video camera; the support is also provided with a diffuse reflection light; the machine base near the discharging end of the conveyer belt is provided with sorting holes; a sorting device is arranged near the discharging end of the conveyer belt; and the sorting device and the video camera are connected with a control computer. The special device has the advantages of high sorting efficiency, accuracy in sorting and less harm to the croaker body.
Owner:ZHEJIANG OCEAN UNIV

Recombination method for irrelevant mirror images of file system

ActiveCN105183383AQuick searchReasonable result of restructuringInput/output to record carriersFile systemPhysical address
The invention relates to the technical field of information security and mobile phone applications, in particular to a recombination method for irrelevant mirror images of a file system. The method includes the mirror image acquisition step, the head mark taking step, the mark confirming step and the group type and head length confirming step. In the mirror image acquisition step, physical mirror images of a mobile terminal are acquired, and physical structures of the physical mirror images are analyzed. In the head marker taking step, front N bytes of each physical block are taken as head marks of the physical block. In the mark confirming step, data of one physical block where the head marks are located are read, whether the physical block is a mapping table or not is judged, if yes, the next step is executed, and if not, the next physical block is skipped, and the head mark taking step is executed again. In the group type and head length confirming step, all mapping information of the heads of one group is traversed, one logical block number is taken out according to the marks, a physical address is calculated according to the formula that the physical address=group physical address offset + group head length + mapping length * marker serial number, the next physical block address is skipped, the head mark taking step is returned, and the process continues to be executed till all the physical block addresses are traversed. Recombination efficiency is high.
Owner:XIAMEN MEIYA PICO INFORMATION

Fish-experiment biology observation instrument and using method

The invention discloses a fish-experiment biology observation instrument and a using method and belongs to the field of fish biology. The observation instrument comprises an aquarium, a support, a reflection observation device, a shooting device, a measurement device, a wireless transmission device, an image data receiving terminal and a temperature control system; the aquarium is installed on the support and is communicated with the temperature control system; the reflection observation device is installed on four supporting legs of the support, and the measurement device is mounted on the reflection observation device; the shooting device with the wireless transmission function is installed on one of the supporting legs of the support, wireless communication with the image data receiving terminal is achieved through the wireless transmission device, and thus data and images are transmitted in time; the temperature control system is connected with the aquarium to guarantee the appropriate temperature of water in the aquarium; thus, observation and recording of the blind side body color of an experiment fish and measurement of biological characters such as the total length, body length, body height, head length can be facilitated, stress influences, caused by manual operation, on the experiment fish can be drastically reduced, the experiment success rate is increased, the work efficiency is improved, and the labor cost is saved.
Owner:宁德市富发水产有限公司 +1

Method for correcting machined workpiece angles

The invention discloses a method for correcting machined workpiece angles. The method includes the following steps that (1), a machined workpiece is preliminarily set right at the position of a working table-board, and the workpiece is tightly clamped; and (2), a machine tool controller controls a measuring head to detect, (2.1), a coordinate system is established, and an X-axis and a Y-axis of a working table of the machine tool are rapidly positioned to a first alignment point; (2.2) measuring head length compensation is executed, and a Z-axis is positioned to a position which is 30mm away from the workpiece; (2.3) the Z-axis approaches to a position which is 7mm away from the workpiece at a low speed, the first alignment point measurement is started, and when the alignment returns to a safety point, alignment data is automatically recorded in a Z compensation of the coordinate system; (2.4) the Z-axis is rapidly movably positioned to a second alignment point; (2.5), the Z-axis approaches to a position which is 7mm away from the workpiece at the low speed, the second alignment point measurement is started, and when the alignment returns to a safety point, the alignment data is automatically recorded in a Z compensation of the coordinate system; and (2.6), the Z-axis returns to a tool changing point, a distance difference is converted to angles to be compensated to the coordinate system, and the correction is finished. The method for correcting the machined workpiece angles is convenient, rapid and high in accuracy.
Owner:慈溪汇丽机电股份有限公司

Microsatellite marker relevant with tachysurus fulvidraco growth characteristics and detection and application thereof

The invention discloses a microsatellite marker relevant with tachysurus fulvidraco growth characteristics and detection and application thereof. That is, four microsatellite loci are found on a tachysurus fulvidraco GH sequence, the microsatellite loci are amplified by screening specific primers, relevance between the microsatellite loci and growth traits is analyzed, and dominant genotypes favorable for the growth traits are found. Results indicate that three loci are remarkably or extremely remarkably relevant with the growth traits, a locus GA is remarkably relevant with body weight, body length, standing height and body thickness and is extremely remarkably relevant with total length and depth of caudal peduncle, wherein CD is a dominant genotype; a locus TCTT is remarkably relevant with head length and depth of caudal peduncle, wherein BD is a dominant genotype; and a locus AC is remarkably relevant with body thickness and head length, wherein DD is a dominant genotype. The four microsatellite loci obtained by primer amplification have high genetic diversity and are remarkably or extremely remarkably relevant with the growth traits. The microsatellite marker is of great significance for molecular breeding practice.
Owner:SOUTH CHINA AGRI UNIV

Method for accurately identifying spatial geometrical characteristics of coal mine goaf based on subsidence monitoring

The invention relates to a method for accurately identifying spatial geometrical characteristics of a coal mine goaf based on subsidence monitoring. The method comprises the following steps: firstly,defining eight parameters for characterizing the spatial geometrical characteristics of a rectangular coal mining goaf: m (mining height), alpha 0 (coal bed pitch), (the formula is shown in the specification) (heading azimuth angle of the goaf), H (central mining depth of the goaf), D3 (heading length of goaf) ), D1 (inclination direction length of the goaf), X0 (X-axis coordinate of the central plane of the goaf), and Y0 (Y axis coordinate of the central plane of the goaf); then, assuming that the coal mining surface subsidence form conforms to a probability integral method model, and deducing and establishing an observation equation of the spatial geometrical characteristic parameters of the goaf with respect to the surface movement and deformation on the basis; and finally, based on theestablished observation equation of the spatial geometrical characteristic parameters of the goaf, constructing a quantum genetic algorithm solution method of the spatial geometrical characteristic parameters of the goaf. By adoption of the method provided by the invention, the spatial geometrical characteristics of the goaf can be identified comprehensively in detail, and the accuracy and stability of inversion of the spatial geometrical characteristic parameters of the goaf are effectively improved.
Owner:ANHUI UNIV OF SCI & TECH

Insulation pull rod press-fitting tool and method

The invention relates to an insulation pull rod press-fitting tool and method. The insulation pull rod press-fitting tool comprises a base, a press-fitting pad and a limiting pressure head, wherein the press-fitting pad is detachably arranged on the base, and the limiting pressure head is arranged in a guiding and moving mode in the thickness direction of the press-fitting pad. The base, the press-fitting pad and the limiting pressure head are each provided with a supporting structure used for being in force fit with an insulation rod or a connector of an insulation pull rod. The limiting pressure head has a press-fitting station and a releasing station in the guiding and moving stroke, wherein the press-fitting station is used for enabling the distance between the supporting structure on the limiting pressure head and the overall length of the insulation pull rod to be equal to the distance between the supporting structure on the base and the overall length of the insulation pull rod, and the releasing station is used for releasing the insulation pull rod. The press-fitting pad has the thickness equal to the difference between the overall length of the insulation pull rod and the single-head length. The press-fitting tool further comprises a limiting structure used for preventing the limiting pressure head moving to the press-fitting station from continuously moving to the base. According to the press-fitting tool, by means of the cooperation of the press-fitting pad and the limiting structure, the assembling precision of the insulation pull rod is ensured, the structure is simple, and use is convenient.
Owner:HENAN PINGGAO ELECTRIC +2

Full-rock roadway longitudinal shaft type heading machine

The invention discloses a full-rock roadway longitudinal shaft type heading machine and belongs to the technical field of underground coal mine development equipment. The full-rock roadway longitudinal shaft type heading machine consists of a cutting part, a shoveling plate part, a main frame, a traveling part, a supporting part, an electrical system, a conveyor, a guard plate, a hydraulic system, a water system and the like, wherein a temperature monitoring system and a video monitoring system are equipped in the electrical system. The shovel plate is convenient to assemble and disassemble; the problem that a joint of a shovel plate chute and a conveyor chute is severely worn or a conveying chain is clamped after the shovel plate is lifted can be solved; temperature or oil level conditions of hydraulic oil and gear oil can be monitored in real time, damage of a key component is reduced, the machine maintenance time is reduced, and the production schedule is guaranteed; the operating conditions of a rocker arm and the shovel plate can be monitored in real time, so that the operation of the heading machine is reliable, the production efficiency is improved, and safety of an operator is guaranteed. In addition, the rock/coal breaking force is strong, so that the working efficiency of the whole machine is improved, and the daily heading length is large.
Owner:JIANGSU PUYUE HEAVY IND MACHINERY

Assembling device and assembling method of automobile vacuum booster and brake master cylinder

The invention relates to an assembling device and an assembling method of an automobile vacuum booster and a brake master cylinder. The assembling device comprises an assembling rack body (I), and three press fitting tables, a PLC control device (1), a vacuum booster output lever end face and rear shell end face distance measurement device (2), an output lever head length measurement device (3), abrake master cylinder first piston depth measurement device (4) and a sliding table device (5) are arranged on the assembling rack body (I). The PLC control device (1) is used for respectively collecting the measured data of the vacuum booster output lever end face and rear shell end face distance measurement device (2), the output lever head length measurement device (3) and the brake master cylinder first piston depth measurement device (4), automatically working out the thickness of an adjusting shim, placing the proper shim, controlling the action of the sliding table device, and automatically completing press fitting. The amount of minimum clearance of the output lever of the vacuum booster and the first piston of the brake master cylinder during assembly is ensured, and the productquality and the production efficiency are improved.
Owner:WENZHOU RUILI KEMI AUTOMOTIVE ELECTRONICS CO LTD

Medicine feeder capable of preventing medicine choking

The invention discloses a drug feeder for anti-choking medicine, which relates to the technical field of medical equipment and solves the problem that the existing bitter medicine feeding head makes infants and young children choke on the medicine. The part is provided with a non-bitter medicine feeding head and a bitter medicine feeding head, the bitter medicine feeding head is connected with the medicine feeding device bottle, the non-bitter tasting medicine feeding head is detachably connected with the medicine feeding device bottle, and the length of the bitter medicine feeding head is longer than The length of the non-bitter drug feeding head, the two sides of the end of the bitter drug feeding head are respectively provided with a drug outlet hole 1, and the top of the non-bitter drug feeding head is provided with a drug outlet hole 2, which also includes matching with the bitter drug feeding head The bitter-tasting medicine feeding head cover is provided with a sealing protrusion matching the medicine outlet hole 1 on the bitter-tasting medicine-feeding head cover. The head cover is provided with a sealing protrusion 2 matched with the medicine outlet hole 2, and when the baby is fed bitter medicine, the medicine liquid does not touch the taste buds, so that people do not feel the bitter taste and avoid choking on the medicine.
Owner:弘毅天承知识产权股份有限公司

Drawing method for style chart of tops for men, template for tops for men and making method of template

The invention provides a drawing method for a style chart of tops for men, a template for the tops for men and a making method. The drawing method includes the steps that a horizontal line, namely a shoulder width line, is drawn; a vertical line is made at the middle point A of the shoulder width line and serves as a front center line; with the point A on the shoulder width line being the center, a human head length X value is made on the left, a human head length X value is made on the right, and the values are marked as a point a and a point a'; with the point a and the point a' being end points, line segments are made upwards to form an included angle of 13 degrees with the shoulder width line and intersect with the front center line at a point B, and a line is made across the point B and serves as a neck circumference line; with the point B on the neck circumference line being the center, 1/4 of the head length line is made as b on the left, and 1/4 of the head length line is made as b' on the right; 3/5 of the head length is made upwards from the point A to serve as a vertical line at a point C; with the point C being the center, 1/4 of the head length is made on the left as a point c, 1/4 of the head length is made on the right as a point c', and the point c and the point c' are connected to form an upper neck circumference line; 2/3 of the head length is made downwards from the point A of the front center line to a point D, and a vertical line is made across the point D to serve as a bust line; 5/6 of the head length is made downwards from the point D of the front center line to a point E, and a vertical line is made across the point E to serve as a waistline; one head length is made downwards from the point E of the front center line to a point F, and a vertical line is made across the point F to serve as a hip line. The modification frequency is low, and chart output efficiency and accuracy are high.
Owner:JIANGXI INST OF FASHION TECH

SNP molecular marker related to growth traits of high-flesh-content hybrid pelteobagrus fulvidraco Huangyou #1 and application of SNP molecular marker

The invention discloses an SNP molecular marker related to growth traits of high-flesh-content hybrid pelteobagrus fulvidraco Huangyou #1 during breeding and application of the SNP molecular marker. The sequence of the SNP molecular marker is shown in SEQ ID NO:1, the SNP molecular marker is located at the 118th site of the sequence shown in SEQ ID NO:1, and the basic group is C or T. The invention also discloses a primer pair, a kit and a detection method for detecting the molecular marker. By utilizing the SNP site, hybrid pelteobagrus fulvidraco Huangyou #1 with a larger ratio of the body length to the head length can be effectively screened out. The SNP site can be free of limitation of the age, sex and the like of the hybrid pelteobagrus fulvidraco Huangyou #1, and can be used for body form selection and classification of fry of the hybrid pelteobagrus fulvidraco Huangyou #1 in the early stage, so that the flesh content of the hybrid pelteobagrus fulvidraco Huangyou #1 is effectively increased, and the breeding economic benefits of the hybrid pelteobagrus fulvidraco Huangyou #1 are remarkably improved. The method is accurate, reliable and easy and convenient to operate.
Owner:NANJING NORMAL UNIVERSITY

Experimental mouse response monitor

The invention discloses an experimental mouse response monitor, which comprises a mouse accommodating area, a grating, a grating driving module, a camera module and an upper computer, wherein the mouse accommodating area is constituted by a barrel; the grating is an enclosed annular surface which is constituted by black and white stripes which are distributed alternately; the grating driving module and the grating are connected to the upper computer; the upper computer can transmit control signals to the grating driving module, so that the grating is driven to rotate in a mode of taking a circle center thereof as a rotating shaft; the camera module is arranged at the top of the barrel and is connected to the upper computer, so that mouse images, which are shot, are transmitted to the upper computer; a mouse head length L1, a distance L2 between the center of a mouse head and the center of a mouse body and a preset proportion P1, which are measured under a natural state, are pre-saved in the upper computer, and the preset proportion P1 is a reference value of body elongation response of a normal mouse relative to the rotating grating; and the upper computer is used for processing each frame of mouse image, so as to judge a probability of elongation change of the mouse within a time T, and subsequently to judge whether neurological functions of the mouse are normal or not.
Owner:HARBIN MEDICAL UNIVERSITY
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