Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 31 for “"uncut"”.
-
Nutrient dynamics of the forest floor in an Appalachian oak forest stand following clearcutting and whole-tree removal
… collected from the clearcut area and an adjacent uncut area. Nutrient analyses included total N, P, K, Ca, and Mg, and pH, NH₄-N, and NO₃-N for the soil solutions only. Comparisons were made between nutrient contents in the forest floor and mineral soil from the clearcut and uncut areas, between …
-
The influence of habitat disturbances on bird populations
… in each of the following habitats: cut and uncut, bottom and middle slope stands. Three transects were located in cut and three in uncut middle slope stands with wildlife clearings. Twenty transects were located along the trails. Significantly more birds inhabited cut stands during the …
-
Impact of clearcutting on indigenous mammals of southwest Virginia
… that the shrub stratum had not caught up to the uncut forest i n the number of stems per acre, however, the 2 herb strata had surpassed the uncut forest jn density. These floristic changes apparently influenced the make-up of the faunal segment of the community. Mammals generally associated with …
-
Enhancing biotic mortality of the potato leafhopper, Empoasca fabae
… fields in early spring.;The effects of a 3 m uncut strip at first harvest on the distribution of E. fabae and predatory species in alfalfa were examined from 1998 to 2000. Higher numbers of E. fabae were observed in the uncut strips than in the regrowth for 2--3 weeks after harvest in 2 of 3 …
-
Vision based guidance of an agricultural combine
… head mounted camera that directly viewed the cut/uncut crop edge. The LHMCA was used under actual field conditions in 1999; however, shadows and poor crop condition compromised performance of the algorithm. The High Head Mounted Camera Algorithm (HHMCA) used a camera mounted on the head directly …
-
Study of wound healing and the involvement of the cytoskeleton in Vaucheria longicaulis variety macounii
… associated and appear to move along them. In uncut filaments, the different classes of organelles move independently of one another and travel at different speeds. Chloroplasts, mitochondria, RBIs, and smaller organelles (SSIs) exhibit a bulk pattern of motion characterized by brief reversals …
-
The effects of age and size of canopy gaps on the mycorrhizae of yellow birch (Betula alleghaniensis Britton) and sugar maple (Acer sacchrum Marsh.) from deciduous forests of the Québec city region
… in the seedlings from the gaps vs those from the uncut areas. No differences in ECM colonization between uncut and 1-year old gaps were noted in the yellow birch seedlings and high levels of colonization occurred throughout the season. In the 5- and 10-yr old gaps, colonization in both species …
-
Finite element modeling of cutting and burnishing processes at micro- and nanoscales
… cutting energy changes nonlinearly as the uncut chip thickness changes, due to the material strengthening. All these phenomena are hard to describe analytically. Thus, finite element analysis is utilized to numerically model the micro/nano cutting and micro/nano burnishing processes. The …
-
Global Finish Curvature Matched Machining
… in the steep regions, but there will be some uncut materials. This thesis focuses on how to determine the uncut or rework areas of the previous CM2 and how to define the boundary of these regions. Strategies for generating more efficiency CM2 tool paths are also discussed. These methods will …
-
Habitat Use by Beaver Along the Big Sioux River
… smaller in diameter (p < 0.01) than uncut trees. Mean distance from water of cut trees was also less (p < 0.01) than for uncut trees. Over half (52%) of the trees damaged by beaver were not killed and either resprouted or remained alive and standing. Of 8 variables examined at lodge …
-
The fatigue ageing of vulcanised rubbers
… failure surface of the vulcanisates. Exceptional uncut and cut initiated fatigue lives are observed for blends having an interconnecting network morphology. The network structure and cross-link density of the elastomers in the blends and the addition of carbon black and antioxidant are all found …
-
The effects of rehabilitation management on the vegetation of Fenn’s, Whixall and Bettisfield Mosses National Nature Reserve – a cut-over lowland raised mire
… carried out three times at five-year intervals. Uncut areas and areas of recent commercial cuttings were rehabilitated earliest having significant increases in target mire species without the loss of other mire species from excess inundation. In the recent commercial cutting areas, a successional …
-
A Method for Winding Advanced Composites of Unconventional Shapes using Continuous and Aligned Fibers
… process has achieved this by winding continuous, uncut, and aligned fibers. This process is called Lotus Filament Winding.</p>
-
Effect of Crosslink Density on the Tearing of Gum Natural Rubber Cured with Dicumyl Peroxide (DCP)
… Tensile strengths refer to breaking stress for uncut specimens, while tear strengths are for specimens with precuts.DCP-cured gum natural rubber vulcanizates with different crosslink densities (10 different amounts of curatives were added to the masterbatch) were prepared. Normal tensile and …
-
Mapping Ancient Baldcypress Forests for Conservation at Black River, North Carolina
… extensive logging during the early 20th century. Uncut stands in the Southeast that survived centuries of disturbance following European settlement tended to be too senescent and non-commercial to justify logging. Remnant ancient baldcypress forests at Black River, North Carolina, appear to …
-
A comparative study of the population dynamics of four Amaranthaceae species
… were planted as either unmanipulated seedlings (uncut A. japonica) or as a seedling cut back to the soil surface at the four-node stage (cut A. japonica) at which point seedlings have reached a perennial growth stage. The greenhouse experiment showed that the four species each drew down light …
-
Calibration, recognition, and shape from silhouettes of stones
… batches of 1200 six-view silhouette sets of uncut gemstones are correctly matched in approximately 68 seconds (using a 3.2 GHz Pentium 4 machine]. An experiment that compares silhouette-based shape estimates with mechanical sieving demonstrates an application using the developed methods. A …
-
Effects of group selection and clearcut openings on wildlife in Appalachian hardwood forests
… openings where groups of trees were left uncut were not used more by birds than clearcut sites without trees. (The number and proportion of stumps with sprouts browsed by white-tailed deer was greater in group selection openings than in clearcut openings. Clearcut and large group selection …
-
Interesting Shapes of Vegetables: Is it A Strategy to Promote Consumption Among Preschool Children?
… to provide an indication of the consumption of uncut vegetables as baseline data. The children were later provided with vegetables cut in different shapes (flower-shaped, star-shaped and owl-/bat-shaped). Lastly, the natural shape of vegetables was provided again to the children to determine how …
-
Evaluation and breeding of Hilaria belangeri for turfgrass use.
… best color and highest ground cover. Control (uncut) plots exhibited low vigor and color. Broad-sense (h²(b)) and narrow-sense (h²(n)) heritability estimates were computed for measured and rated characters on clones and their open-pollination progeny grown at Safford (S) and Tucson (T), AZ. …
Page 1 of 2