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Dynamic Mechanical Analysis (DMA) is a powerful technique for understanding the viscoelastic properties of materials. It has become a powerful tool for chemists, polymer and material scientists, and engineers. Despite this, it often remains underutilized in the modern laboratory. Because of its high sensitivity to the presence of the glass transition, many users limit it to detecting glass transitions that can’t be seen by differential scanning calorimetry (DSC). This book presents a practical and straightforward approach to understanding how DMA works and what it measures. Starting with the concepts of stress and strain, the text takes the reader through stress–strain, creep, and thermo...
Particles and Health is an international conference taking place in October 2021 addressing issues in science and regulation. Regulatory initiatives in the European Union (EU) have suggested uniform hazard classifications for all poorly soluble low toxicity particles (PSLTs). Examples of PSLTs include carbon black, titanium dioxide and iron oxide, among others. Approaches have also been proposed for setting workplace exposure limits for PSLTs such as those of the German MAK Commission. The conference will include specific sections over a two day period of about 25 presentations, associated with PSLTs regarding the following major topics: (1) human studies, (2) animal inhalation studies assoc...
Procesul lui Corneliu Zelea Codreanu, liderul Mi?carii Legionare a marcat un moment critic din istoria Romaniei in perioada interbelica. A distrus ultimele vestigii ale democratiei ?i a stat la baza dictaturii lui Carol al II-lea.“Procesul lui Corneliu Zelea Codreanu” prezinta stenogramele procesului insotite de un studiu introductiv scris de doi specialisti in istoria Romaniei, Gheorghe Buzatu ?i Kurt W. Treptow. De asemenea, volumul contine o serie de apendici, inclusiv scrisori si file de jurnal scrise de Codreanu in inchisoare.
Corneliu Codreanu was a far-right, Romanian politician who established the Legion of the Archangel Michael in 1927. Alternately known as the Legionary Movement, this organization supported an ultra-nationalist, anti-Semitic, anti-communist, and anti-parliamentary position that would later become targeted by the reigning communist party. This book begins with the establishment of King Carol II's dictatorship and ends with the Palace coup of 1944, the moment in which Romania entered a Soviet sphere of influence and the legionnaires were made to suffer for their previous alliance with Germany. Most scholarship places the failure of Romanian-German collaboration solely upon the activities of the legionnaires. Ilarion Tiu offers a different view, providing a more detailed account of the legionnaires' history, philosophy both before and after Codreanu's 1938 death.
This book covers both basic scientific and clinically relevant aspects of dental composite materials with a view to meeting the needs of researchers and practitioners. Following an introduction on their development, the composition of contemporary composites is analyzed. A chapter on polymerization explains the setting reactions and light sources available for light-cured composites. The quality of monomer-to-polymer conversion is a key factor for material properties. Polymerization shrinkage along with the associated stress remains among the most challenging issues regarding composite restorations. A new classification of dental composites is proposed to offer more clinically relevant ways ...
In “Istorie si biografie: Corneliu Zelea Codreanu”, autorul, Cristian Sandache, prezinta o perioada din istoria interbelica a Romaniei cand, pe scena politica, a aparut o personalitate care a reusit sa adune si sa canalizeze, pe ideea nationala, elita intelectualitatii romanesti, intemeind o noua formatiune politica, Legiunea Arhanghelului Mihail. Avem, de asemenea, prezentat contextul economic, politic si cultural generat de guvernarile si de oamenii politici ai celor mai importante partide din acea vreme (PNL, PNT).
Environmental pollution raises serious concern worldwide about effects on human health. Based on a recent meeting, this book focuses on diverse aspects of environmental hygiene, dealing with the evaluation of chemical and physical agents and their relevance to human health. To assess the toxicity, mutagenicity and carcinogenicity of environmental pollutants, a variety of methodological approaches, both in vivo and in vitro, as tissue cultures, isolated organs and animal models, were developed and are described in detail. Data on human exposure, biological monitoring and epidemiological studies are also included. Problems of environmental control and legislation as well as possible provisional steps are discussed.
The trial of Corneliu Zelea Codreanu, leader of the Legionary Movement in Romania, marked a critical moment in the history of the country between the two World Wars. It destroyed the last vestiges of democracy and laid the groundwork for the establishment of the royal dictatorship by Carol II.Romanian Crucible presents the transcript of the trial, for the first-time in English translation, edited and accompanied by an introductory study by two leading specialists on Romanian history, Gheorghe Buzatu and Kurt W. Treptow. The book also contains a series of appendixes, which include journal entries from Codreanu in prison.