This study examines the tradition of beaded capes among the Lower Colorado River Yuman groups, with the goal of understanding the meaning and cultural significance that the capes held in the past and continue to hold for those that wear and create them today. Questions posed by this study ask how and to whom do beaded capes hold meaning; and why were the beaded capes overlooked by collectors if they are culturally significant? As a marker of River Yuman identity and artistic expertise, the lack of historic beaded capes that are held within museum collections is surprising, with only twenty-two museums across the United States and Europe housing a composite total of fifty-eight River Yuman beaded capes. This study attempts to answer the proposed questions by conducting interviews with River Yuman beadworkers and community members, regarding their perspectives on the meanings and symbolism presented by beaded capes, and the cultural significance of these items. In contrast, this study examines the views of Euro-American collectors that were collecting beaded capes in the late 19th and early 20th centuries when others were not. An understanding of outsider perspectives and motivation for collecting beaded capes is achieved through analysis of collector's field notes, journals, and museum accession files. Combining ethnography, archival research, and museum collections-based research, this study seeks to present a more detailed understanding of the River Yuman beaded cape as a marker of gender and ethnic identity. This research addresses the existing voids in knowledge about the cultural significance that the beaded capes hold for Quechan (Yuma) and Pipa Aha Macav (Mojave) people, and introduces that information to outsiders, creating a record of the views of River Yuman community members on the contemporary meanings that the beaded capes hold.

The extant venomous Gila monster and beaded lizards, species of Heloderma, live today in southwestern USA and south along the Pacific coastal region into Central America, but their fossil history is poorly understood. Here we report helodermatid osteoderms (dermal ossicles) from the late Miocene-early Pliocene Gray Fossil Site, eastern Tennessee USA. Twenty-three species of mammals are known from the fauna including abundant Tapirus polkensis, as well as fishes, anurans, salamanders, turtles, Alligator, birds, and snakes. Beaded lizards belong to the Monstersauria, a clade that includes Primaderma + Paraderma + Gobiderma + Helodermatidae (Estesia, Eurheloderma, Lowesaurus, and Heloderma). Osteoderms of lizards in this clade are unique within Squamata; they typically are circular to polygonal in outline, domed to flat-domed in cross-section, have a vermiculate surface texture, are not compound structures, and do not have imbricate surfaces as on many scincomorph and anguid lizards. We review and characterize the osteoderms of all members of Monstersauria. Osteoderms from the cranium, body, and limbs of Heloderma characteristically have a ring-extension (bony flange) at least partly surrounding the dome. Its presence appears to be a key character distinct to all species of Heloderma, consequently, we propose the presence of a ring-extension to be an apomorphy. Three osteoderms from the Gray Fossil Site range from 1.5 to 3.0 mm in diameter, have the circular shape of helodermatid osteoderms with a domed apical surface, and have the ring-extensions, permiting generic identification. Macrobotanical remains from the Gray Fossil Site indicate an oak-hickory subtropical forest dominated by Quercus (oak) and Carya (hickory) with some conifer species, an understorey including the climbing vines Sinomenium, Sargentodoxa, and Vitis. Plant and mammal remains indicate a strong Asian influence.

The purpose of this study is to investigate variation in water export and instream temperatures throughout the open water season in a beaded Arctic stream, consisting of small pools connected by shallow chutes. The goals are to better understand heat and mass movement through these systems, how this may impact chemical and biological processes, and the resulting shifts with changes in climate. This is accomplished by first examining the extent and variability of water storage and export through qualitative analysis of observational data. Further, heat fate and transport is examined through development of an instream temperature model. The model formulation, a simple approach to model calibration and validation, and information regarding residence and characteristic times of different pool layers are presented. Using temperatures measured at high spatial resolution within the pools and surrounding bed sediments as well as other supporting data (e.g., instream flow, specific conductivity, weather data, and bathymetry), various types of storage within the pools, banks, and marshy areas within the riparian zone, including subsurface flow paths that connect the pools, were found. Additionally, data illustrated that some pools will stay stratified during higher flow periods under certain weather conditions. Through modeling efforts, the dominant heat sources were found to vary between stratified layers. It was also found that potential increases in thaw depths surrounding these pools can shift stratification and mixing patterns. These shifts can further influence mass export dynamics and instream water quality. Given the amount and different types of storage within these systems and the influence of stratification patterns on the residence times in the pools, Imnavait Basin and similar beaded Arctic watersheds will likely experience delayed export of nutrients that are limiting in most Arctic systems.

The problem of the formation of the beaded pipe ends by reduction described in this work. Patent and literature review ways to reduce the longitudinal varying wall thickness is made. Technology for the production of pipes for pipe-rolling plant is shown. An improved method for calculating changes in wall thickness of the pipe in the reducing mill developed. Mode calculation thinning ends of the pipe before the reducing mill is made. / В данной работе описана проблема образования утолщенных концов труб при редуцировании. Выполнен патентно-литературный обзор способов снижения продольной разностенности при редуцировании труб. Приведена технология производства труб на ТПА-80. Разработана усовершенствованная методика расчета изменения толщины стенки трубы в редукционном стане. Выполнен расчет режима утонения концов труб перед редукционным станом.