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Due to variation in pH, ionizable pharmaceuticals entering aquatic environments experience different degrees of ionization, which may affect toxicity. Using data from toxicity testing at only neutral pH may potentially under- or overestimate actual toxicity at pH ranges found in natural aquatic environments. Here we show relative pH-dependent acute toxicity to Daphnia magna for the pharmaceutical
A tax financed universal basic income for everyone as a means to improve the environment and improve the quality of life.
The papers in this volume seek to adress three principal areas of concern: Pastoral issues and development, Biodiversity and grazing resource availability, and Range resource management. This unique collection of research papers touches on the value of the unique flora and fauna of the rangelands and the need to preserve them in order to conserve biodiversity.
The following article treats the Swedish så-construction (involving the so-called “adjunctive” så). The så-construction consists of a first element, which is typically an adjunct, followed by så „so‟, and an inverted declarative clause. It is argued that adjunctive så is a head word, more precisely a relational predicate that introduces a new point of departure in the discourse, by relating the pr
The aims of this chapter are to (i) place the research on new venture creation into the historical context of entrepreneurship research in general, (ii) highlight the pioneering works of William Gartner, and (iii) describe the development and characteristics of the research on new venture creation as an area within entrepreneurship research. The discussion in the chapter is mainly based on a set o
A comparative case study is performed of three working groups containing pairs and triads. Effects on cohesion and group development are analyzed and a model is constructed A distinction is made between pairs formed 1. out of earlier relationships, 2. and/or to pursue work and those that form, 3. as a reaction to the former. Pairs can contribute to work and development in constructive ways, but pa
Cerebral perfusion parameters were measured using dynamic susceptibility contrast magnetic resonance imaging (DSC-MRI) in eight healthy volunteers examined during normal breathing and spontaneous hyperventilation. DSC-MRI-based cerebral blood flow (CBF) decreased during hyperventilation in all volunteers (average decrease 29%), and the corresponding global CBF estimates were 73 +/- 19 ml/(min 100g
Human systems create problem spaces that are ambiguous, uncertain and constantly changing. This requires researchers to find approaches to inquiry that can be used to explore inconsistent and ill-defined phenomena. Much analytical work is done without in-depth consideration of context. This means that important dimensions are lost – rigour in investigation is prioritised over relevance. Research m
This thesis describes the development and application of an equilibrium terrestrial biosphere model, BIOME3. The model simulates vegetation distribution and biogeochemistry, and couples vegetation distribution directly to biogeochemistry. A photosynthesis scheme was developed with maximum photosynthetic rates derived using a theory based on optimal nitrogen allocation; the scheme has the important
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The Article is an introduction to the theology of Benedikt XVI/Joseph Ratzinger based on an analysis of his main works. It is shown that Joseph Ratzinger is part of the general renewal of Roman Catholic theology during the second half of the 20th century. Contrary to widespread assumptions there can be shown only small changes in the writings of this important theologian and present pope.
Consider the American put and Russian option (Ann. Appl. Probab. 3(1993)603; Theory Probab. Appl. 39 (1994)103; Ann. Appl. Probab. 3(1993)641) with the stock price modeled as an exponential Lévy process. We find an explicit expression for the price in the dense class of Lévy processes with phase-type jumps in both directions. The solution rests on the reduction to the first passage time problem fo
