Portable round quadrat calibration device for density of harmful rats
The invention discloses a portable round quadrat calibration device for the density of harmful rats. The device comprises a large-headed nail column and an annular measuring scale, the annular measuring scale is rotationally connected to a nail body of the large-headed nail column, a sleeve ring is...
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Format | Patent |
Language | Chinese English |
Published |
03.12.2021
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Abstract | The invention discloses a portable round quadrat calibration device for the density of harmful rats. The device comprises a large-headed nail column and an annular measuring scale, the annular measuring scale is rotationally connected to a nail body of the large-headed nail column, a sleeve ring is detachably connected to the tail end of a tape measure in the annular measuring scale, the sleeve ring is used for being connected with a positioning column on one side of the annular measuring scale in a sleeving mode, and the sleeve ring can move in the height direction of the positioning column. The problems that an existing density survey device is poor in precision, not accurate enough in estimation of the density rate of the harmful rats, poor in reusability and inconvenient to carry are solved.
本申请公开一种便携式害鼠密度圆形样方标定装置,包括大头钉柱、环形量尺,大头钉柱的钉身上转接有环形量尺,环形量尺内的卷尺端末可拆装连接有套环,套环用于和环形量尺一侧的定位柱套接,套环可沿定位柱的高度走向运动;本发明避免现有的密度调查装置精度欠佳、害鼠密度率估算不够准确、重复使用性较差、携带不便的问题。 |
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AbstractList | The invention discloses a portable round quadrat calibration device for the density of harmful rats. The device comprises a large-headed nail column and an annular measuring scale, the annular measuring scale is rotationally connected to a nail body of the large-headed nail column, a sleeve ring is detachably connected to the tail end of a tape measure in the annular measuring scale, the sleeve ring is used for being connected with a positioning column on one side of the annular measuring scale in a sleeving mode, and the sleeve ring can move in the height direction of the positioning column. The problems that an existing density survey device is poor in precision, not accurate enough in estimation of the density rate of the harmful rats, poor in reusability and inconvenient to carry are solved.
本申请公开一种便携式害鼠密度圆形样方标定装置,包括大头钉柱、环形量尺,大头钉柱的钉身上转接有环形量尺,环形量尺内的卷尺端末可拆装连接有套环,套环用于和环形量尺一侧的定位柱套接,套环可沿定位柱的高度走向运动;本发明避免现有的密度调查装置精度欠佳、害鼠密度率估算不够准确、重复使用性较差、携带不便的问题。 |
Author | CHEN GUOKANG FU HEPING SONG YALING YUAN SHUAI LI LINLIN WANG QIANCHENG LI XIN WU XIAODONG |
Author_xml | – fullname: WU XIAODONG – fullname: FU HEPING – fullname: YUAN SHUAI – fullname: SONG YALING – fullname: LI XIN – fullname: LI LINLIN – fullname: CHEN GUOKANG – fullname: WANG QIANCHENG |
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Snippet | The invention discloses a portable round quadrat calibration device for the density of harmful rats. The device comprises a large-headed nail column and an... |
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SubjectTerms | CALCULATING COMPUTING COUNTING COUNTING MECHANISMS COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS PHYSICS TESTING |
Title | Portable round quadrat calibration device for density of harmful rats |
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