Selenium and molybdenum enrichment in uranium roll-front deposits of Wyoming and Colorado, USA

Acknowledgements The authors wish to thank Cal VanHolland, Jim Bonner and John Cooper of Ur-Energy (Casper, Wyoming) for their assistance with sampling, data provision and feedback. We are grateful to Adrian Boyce and Alison McDonald of the Isotope Community Support Facility at SUERC for technical support with isotope sample preparation and analyses. Critical comments that greatly improved the manuscript from Samuel Spinks and Marat Abzalov are gratefully acknowledged. Funding This research was supported by a grant from the Natural Environment Research Council (NERC) (NE/M010953/1).Peer reviewedPublisher PD

An Ounce of Prevention: What Promotes Crisis Readiness and How Does It Drive Firm Performance?

Organizations develop crisis readiness to avoid and mitigate crises. This study investigates several factors that influence crisis readiness, including market dynamism, perceived likelihood of a crisis (PLC), and firm size. It also evaluates the impact of crisis readiness on firm performance. Results from a PLS-SEM assessment of 301 managers in the United States suggest that market dynamism drives firm performance while heightening both PLC and crisis readiness. When compared to large organizations, managers in small- and medium-sized enterprises (SMEs) reported higher PLC but lower crisis readiness, underscoring the challenges faced by small firms regarding crisis preparation. Crisis readiness was also positively linked to both financial and non-financial performance. The model tested in this study supports the influence of external and organizational factors on crisis preparation, as well as subsequent links with firm performance

Howard Johnson\u27s: Rise and Fall of an American Icon

The Howard Johnson’s restaurant chain was one of the first franchise success stories in the United States. Climbing in size to be over 1,000 restaurants, the chain today boasts fewer than 30 units. How could such a successful company spiral downward to virtually nothing? This article examines the history of the chain and offers reasons for its success and demise

Tellurium, selenium and cobalt enrichment in Neoproterozoic black shales, Gwna Group, UK : Deep marine trace element enrichment during the Second Great Oxygenation Event

We are grateful to John Still for his skilled technical support and the ACEMAC facility at the University of Aberdeen. Research funded by NERC grant NE/M010953/1 and NERC facility grant IP-1631-0516. AJB is funded by NERC support of the Isotope Community Support Facility SUERC. The authors thank Eva Stüeken, Ross Large and one anonymous reviewer for their constructive feedback on the original manuscript.Peer reviewedPublisher PD

The Impact of Organizational Capabilities, Environmental Uncertainties, and Generic Strategies on Crisis Readiness: An Empirical Examination of Retail Professionals

This paper examined the factors—organizational capabilities, environmental uncertainties, and generic strategies—that potentially contribute to an organization’s crisis readiness. A survey of 277 retail professionals indicated that those companies that display a high level of crisis readiness follow a differentiation generic strategy and had higher levels of supply chain capabilities. Companies that pursued a cost leadership generic strategy displayed lower levels of crisis readiness. Implications for researchers and managers are offered

New Frontiers in Management Research: The Case For Industrial Archeology

Management scholars traditionally rely on the review of journals and empirical data for information used in research projects and in the classroom. However, there is also a vast amount of material that remains virtually untapped by many management researchers - the artifacts, pictures, and remains of industrial and commercial organizations. Industrial archeologists specialize in studying organizational life, particularly, the life of manufacturing facilities, by examining of empirical data, as well as pictures, records, internal and external correspondence, other printed materials, and artifacts. This article delineates how management scholars can also take advantage of the wealth of secondary material that exists by integrating an industrial archeological perspective into their teaching and research programs

Prediction of LDEF ionizing radiation environment

The Long Duration Exposure Facility (LDEF) spacecraft flew in a 28.5 deg inclination circular orbit with an altitude in the range from 172 to 258.5 nautical miles. For this orbital altitude and inclination two components contribute most of the penetrating charge particle radiation encountered - the galactic cosmic rays and the geomagnetically trapped Van Allen protons. Where shielding is less than 1.0 g/sq cm geomagnetically trapped electrons make a significant contribution. The 'Vette' models together with the associated magnetic filed models were used to obtain the trapped electron and proton fluences. The mission proton doses were obtained from the fluence using the Burrell proton dose program. For the electron and bremsstrahlung dose we used the Marshall Space Flight Center (MSFC) electron dose program. The predicted doses were in general agreement with those measured with on-board thermoluminescent detector (TLD) dosimeters. The NRL package of programs, Cosmic Ray Effects on MicroElectronics (CREME), was used to calculate the linear energy transfer (LET) spectrum due to galactic cosmic rays (GCR) and trapped protons for comparison with LDEF measurements

Organizational Life Cycle and Innovation Among Entrepreneurial Enterprises

Organizational life cycle has been studied for several decades by management researchers. Most efforts, however, have focused on relationships between a specific life cycle stage and another construct, such as organizational effectiveness, management priorities, organizational behavior, or competitive strategy. This study categorizes 107 organizations located in six contiguous counties in the southeastern United States into life cycle stages. Respondents were also asked to identify the importance of innovation and change in their industries, their perceived satisfaction with performance, and their perceived level of threats from the environment. Support was found for four of the five proposed life cycle stages, with none of the respondents indicating that their organizations were in the decline stage. Firms in Stage 1 (existence) and Stage 4 (renewal) reported high scores for innovation and change in their industries and a high level of satisfaction with performance. Stage 1 firms also reported the highest amount of perceived threat from the environment, in contrast to firms in Stage 3 (success) who reported the lowest

What Next for Chaos Theory? From Metaphor to Phase Space

In the management and social sciences literature, chaos theory has been used primarily as a metaphor to understand organizational phenomena. Using metaphors to understand organizations is a novel idea that has gained much acceptance, thanks to the pioneering work of Morgan (1986). However, chaos theory\u27s value as a metaphor has been overused and offers little that cannot already be explained using existing theories and frameworks. Because chaos theory is a mathematical theory, we believe its mathematical principles offer the greatest application to the management literature. In this paper, we offer the use of phase space, a tool of chaos theory, as a way to analyze firm performance