نتایج جستجو برای: angularity
تعداد نتایج: 199 فیلتر نتایج به سال:
Abstract The increasing use of polymer solutions as support fluids in pile drilling, diaphragm walling or tunnelling applications demands a more detailed discussion their penetration behaviour and prediction thereof. In this context, the capillary bundle approach can be useful tool. However, while it is widely discussed oil gas application, subject currently addressed only scarcely with regard ...
Glacial reworking of paraglacial rock slope material has been inferred from long-deglaciated terrains to be an important component of glacial sediment transfer. We provide the first description from a contemporary glacial environment of the geomorphological consequences of glacier advance (of the Feegletscher Nord, Switzerland) across a paraglacial rock avalanche deposit. The landform-sediment ...
In this paper, we will present the results of several case studies focusing on RADARSAT-2 InSAR monitoring of several different types of landslides and the uses of enhanced RADARSAT-2 polarimetric composites for surficial geological and terrain mapping in Canada. InSAR techniques are increasingly being used in slope stability assessment [1, 2 3]. Our research has shown that both differential In...
Various models featuring horizontal wells with multiple fractures have been proposed to characterize flow behavior over time in tight and shale gas systems. Currently, only very little is known about the effects of nonideal fracture patterns and coupled primary-secondary fracture interactions on reservoir performance in unconventional gas reservoirs. We developed a 3D Voronoi mesh-maker that pr...
T eeth are the most common elements in the mammalian fossil record. Thus it is not surprising that they have yielded many insights into the lives of extinct creatures. When researchers in the 1970s noted that subtle differences in molar tooth shape could be correlated with significant dietary differences (1–7), it opened the door for a vast array of ‘‘functional analyses’’ of teeth in which var...
Statistical process control is a major part of industrial statistics and consists not only of control charting, but also of capability analysis, of design of experiments and other statistical techniques. This paper reviews and comments some available techniques for the univariate as well as for the multivariate case from the viewpoint of industrial application. 1 Distribution of a Quality Chara...
Maximum likelihood multivariate techniques are used to classify pixels from remotely sensed data into specific crop and other land cover types. This approach, although useful in estimating the acreage planted to specific crops, tends to create a visually speckled (or noise filled) image where misclassification and/or missing crop areas occur in a field. Past research into reducing this effect i...
Cape Roberts Project drill core 3 (CRP-3) was obtained from Roberts ridge, a sea-floor high located at 77oS, 12 km offshore from Cape Roberts in western McMurdo Sound, Antarctica. The recovered core is about 939 m long and comprises strata dated as being early Oligocene (possibly latest Eocene) in age, resting unconformably on ~116 m of basement rocks consisting of Palaeozoic Beacon Supergroup ...
This article describes a class of theories, the distinguishing characteristic of which is that elements of each of a series of representational systems (levels) are constructed from those of an immediately subordinate, qualitatively distinct, system. Each of these ascending levels of representation (LOR) succeeds in modeling attributes of the environment that are not captured by lower levels (e...
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