The establishment of wave impeding barriers (WIBs) beneath the railway track or below the protected residential buildings resting on soft soil can be commonly used to reduce the ground borne vibrations caused by high-speed train traffic.
In tissues with high cellularity (e.g. tumour tissue), the motion of water protons are more impeded by barriers imposed by cell membranes, macromolecules and tortuosity of the extracellular spaces.
However, major challenges arose in conducting this study which prompted the team to hypothesize that a lack of research orientation within the clinics was a fundamental barrier impeding the conduct of outcomes research.
While this is commonly recognized as a key advantage of SOFC, it also, together with the elevated operating temperature, becomes the main barrier impeding the in-situ or operando investigations of the anode surface chemistry.
Divergent selection across habitats constitutes an ecological barrier impeding migration between habitats and probably played an important role in reducing gene flow between populations along the depth gradient.
In apoptotic cells, AMN seemed to work as a physical barrier impeding active caspases to reach the cellular cortex and plasma membrane.
The lack of a cardiac unit and minimal cardiac specialists in remote areas and in town acted as a significant barrier, impeding HCU.
Apoptotic microtubules seemed to work as a physical barrier impeding the access of active caspases to the cellular cortex and plasma membrane.
Taken together, these observations do not support a simple passive restrictive barrier impeding access of hydrophilic solutes to the endoneurial microenvironment, but rather the operation of endoneurial homeostatic mechanisms, much as in the blood-tissue interfaces of other organs.
