Combined grassland survey sample square frame
The utility model discloses a combined type grassland survey sample square frame, and belongs to the field of sample collection. A combined type grassland survey sample square frame comprises a plurality of round pipes and further comprises connecting pieces arranged between the round pipes, a first...
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| creator | ZHANG XIAOMING YAO MENG BILIGEJIFU YANG YONG HASIBATEER WANG XIAODONG SHI FENGLING XIE WEI WAN TAO WANG DANLAN LIU AIJUN |
| description | The utility model discloses a combined type grassland survey sample square frame, and belongs to the field of sample collection. A combined type grassland survey sample square frame comprises a plurality of round pipes and further comprises connecting pieces arranged between the round pipes, a first connecting pipe and a second connecting pipe are arranged at the ends of every two adjacent round pipes respectively, the first connecting pipes and the second connecting pipes are rotationally connected, threaded baffle rings are arranged in the middles of the first connecting pipes, and threadedbaffle rings are arranged in the middles of the threaded baffle rings. According to the utility model, the connecting pieces and the round pipes are combined with each other, so that quadrat frames with different sizes can be assembled, the working requirements of workers are met, the labor intensity of the workers is reduced, the working efficiency is improved, and the labor intensity of the workers is reduced. By means |
| format | Patent |
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| language | chi ; eng |
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| subjects | ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR PHYSICS TARIFF METERING APPARATUS TESTING |
| title | Combined grassland survey sample square frame |
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