Hydraulic based sampling equipment for under-ice fauna

7. Sampling Equipment

Practical meiofauna work usually begins with sampling. Almost all investigators have considered the problems associated with sampling, and many have arrived at individualized solutions to their problems. However, certain concepts apply to all sampling methods. In this chapter we shall discuss these principles and describe the more common sampling methods and equipment for use in different habit...

Accuracy and precision in sampling hyporheic fauna

A series of interstitial faunal samples was taken from a riffle in the Speed River, southern Ontario, Canada, to compare the field performance of four hyporheic samplers: the standpipe, colonization, and freeze corers and a pump sampler. Each of the samplers proved useful for collecting purely qualitative data, but statistical differences in some of the measured quantitative parameters were ide...

Design and Application of Hydraulic-Walking Incremental Launching Equipment

This work designs a novel hydraulic-walking incremental launching equipment. The working principle of the equipment is proposed. Considering that the contact in incremental launching construction is a typical elastic contact problem, and changes in contact state will directly affect the stability of the incremental launching, this work proposes the equilibrium equations of computational contact...

Sampling-Based Planning Under Differential Constraints

Dynamic Analysis of Hydraulic System of a Mobile Garbage Compression Equipment Based on AMESim

The hydraulic system of mobile garbage compression equipment was studied according to its actual working conditions. A simulation model of the hydraulic system was established with AMESim software, and the speed and acceleration of the piston rod were simulated. Simulation results show that the designed hydraulic system can achieve the action requirements. The experiment also shows the similar ...