The first edition, by P.R. Bunker, published in 1979, remains the sole textbook that explains the use of the molecular symmetry group in understanding high resolution molecular spectra. Since 1979 there has been considerable progress in the field and a second edition is required; the original author has been joined in its writing by Per Jensen. The Material of the first edition has been reorganized and much has been added. The molecular symmetry group is now introduced early on, and the explanation of how to determine nuclear spin statistical weights has been consolidated in one chapter, after groups, symmetry groups, character tables and the Hamiltonian have been introduced. A description of the symmetry in the three-dimensional rotation group K(spatial), irreducible spherical tensor operators, and vector coupling coefficients is now included. The chapters on energy levels and selection rules contain a great deal of material that was not in the first edition (much of it was undiscovered in 1979), concerning the Jahn-Teller effect, the Renner effect, Multichannel Quantum Defect Theory, the use of variational methods for calculating rotational-vibration energy levels, and the contact transformed rotation-vibration Hamiltonian. A new chapter is devoted entirely to weakly bound cluster molecules (often called Van der Waals molecules). A selection of experimental spectra is included in order to illustrate particular theoretical points.
In this chapter, we begin by defining domestication as a genetic process, whereby animals change phenotypically and genetically as a response to living under human supervision. This has caused a convergent set of phenotypic modifications across numerous different species, through a combination of relaxed natural selection, increased human selection, and correlated responses. The genetic mechanisms underlying these processes are discussed in addition to genetic drift and inbreeding. The driving types of mutations are dealt with, as is the way in which genes are organized in the genome to give rise to a specific genetic architecture facilitating selection responses. The different methods used to discover genes and mutations are divided into either top-down approaches, where one starts with the phenotype and uses mapping methods to find the causative genes, or bottom-up, where the genetic polymorphism is the starting point and the phenotype the desired response variable. A number of examples of single genes and mutations that have been coupled to behavioral variation are given, among them genes showing pleiotropic effects on pigmentation, and genes involved in regulation of the effects of neuropeptides. Finally, the relatively novel area of behavioral epigenetics is examined, in particular with its possible relation to domestication effects.
This is an open access title available under the terms of a [CC BY-NC-ND 4.0] License. It is free to read, download and share on Elgaronline. This prescient book provides a theoretical and empirical analysis of retirement practices in Denmark, Germany and the UK. Per H. Jensen interrogates the factors behind rapidly increasing retirement ages in these countries between 2000 and 2018.
Chief Inspector Jensen is a policeman in an unnamed European country where the government has criminalized being drunk, where newspapers are designed for reassurance, and where the city centers have been demolished to devote more space to gleaming new highways. Recovering in a hospital room abroad after a liver transplant, Jensen receives a note instructing him to return home immediately, but when he reaches the airport he discovers that all flights home have been cancelled and all communication from within his homeland has ceased. One of the last messages sent requested urgent medical help from abroad. But what has happen? Has an epidemic taken hold? And why has the government fled the capital? To penetrate the silence and mystery that has fallen over the country and its people, Jensen returns only to discover the unthinkable.
In an unnamed country, in an unnamed year sometime in the future, Chief Inspector Jensen of the Sixteenth Division is called in after the publishers controlling the entire country's newspapers and magazines receive a threat to blow up their building, in retaliation for a murder they are accused of committing. The building is evacuated, but the bomb fails to explode and Jensen is given seven days in which to track down the letter writer. Jensen has never had a case he could not solve before, but as his investigation into the identity of the letter writer begins it soon becomes clear that the directors of the publishers have their own secrets, not least the identity of the 'Special Department' on the thirty first floor; the only department not permitted to be evacuated after the bomb threat.
Philo of Alexandria and Flavius Josephus are amongst the most influential ancient writers. In his long scholarly career, Per Bilde (1939–2014) published various essays, studies and articles examining early Judaism and the historical Jesus from the angle of the work of Philo and Josephus. Many of the articles contain in-depth treatment of primary sources, and thus are of great value for scholars to come. The studies in this volume have yet been compiled by Per Bilde himself. They are now edited posthumously with contributions from Steve Mason (Groningen) and Mogens Müller (Copenhagen) responding to Bilde's work.
A dramatic and worldwide increase is occurring in the prevalence of overweight and obesity in women of childbearing age. Obese women carry a significant excess risk of a variety of serious complications during pregnancy, and in addition, maternal obesity predisposes to obesity in the offspring. This book provides a timely update on the latest knowledge on maternal obesity and pregnancy. A very wide range of issues are covered, including macrosomia and associated shoulder dystocia; the risk of miscarriage, malformations, and complications of pregnancy; the impact of hyperglycemia; clinical management; consequences for anesthesia and ultrasound; impacts on breastfeeding, fertility, and childhood obesity; and pregnancy following gastric surgery. All of the authors are recognized experts in their fields, and the book has been designed to meet the practical needs of obstetricians, gynecologists, internists, and general practitioners.
The Science of Construction Materials is a study and work book for civil engineering students. It includes a large number of thoroughly prepared calculation examples. The book is also suitable for self-study for the researcher and practicing civil engineer.
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