The best understanding of complex biological systems ultimately comes from details of the underlying atomic structures within it. In the absence of known structures of all protein complexes and interactions in a system, structural bioinformatics or modeling fill an important niche in providing predicted mechanistic information which can guide experiments, aid the interpretation of high-throughput datasets and help provide key details to model biological systems. This introductory review discusses the current state of this field and suggests how current datasets in systems studies can profit from a better integration of predicted or known structural information.
The book provides a characteristic of sulfate karst, the features of its distribution and development in the Perm region, based on their own research and generalization of data accumulated in recent years. An updated zoning of the territory is given, partly based on the use of GIS technologies. This book also offers a detailed description of areas with characteristics of geological and hydrogeological conditions for the development of karst and karst phenomena. Besides, it also provides a detailed description of a number of caves, information about specially protected natural areas associated with sulfate karst and new unique objects that need protection. The book describes the influence of karst on economic activity and the ecological situation. The publication is intended for geologists, geographers, ecologists, karst scientists, speleologists, local historians, teachers and students of specialties related to earth sciences, as well as a wide range of karst and cave enthusiasts.
An absorbing exploration of Soviet-era family photographs that demonstrates the singular power of the photographic image to command attention, resist closure, and complicate the meaning of the past. A faded image of a family gathered at a festively served dinner table, raising their glasses in unison. A group of small children, sitting in orderly rows, with stuffed toys at their feet and a portrait of Lenin looming over their heads. A pensive older woman against a snowy landscape, her gaze directed lovingly at a tombstone. These are a few of the evocative images in In Visible Presence by Oksana Sarkisova and Olga Shevchenko, an exquisitely researched book that brings together photographs from Soviet-era family photo archives and investigates their afterlives in Russia. In Visible Presence explores the photographic images’ singular power to capture a fleeting moment by approaching them as points of contestation and possibility. Drawing on over a decade of fieldwork and interviews, as well as internet ethnography, media analysis, and case studies, In Visible Presence offers a rich account of the role of family photography in creating communities of affect, enabling nostalgic longings, and processing memories of suffering, violence, and hardship. Together these photos evoke youthful aspirations, dashed hopes, and moral compromises, as well as the long legacy of silence that was passed down from grandparents to parents to children. With more than 250 black and white photos, In Visible Presence is an astonishing journey into domestic photography, family memory, and the ongoing debate over the meaning of the Soviet past that is as timely and powerful today as it has ever been.
The book provides practical recommendations for creation of fire retardant materials with an increased service life. The enhanced fire resistance seen in these materials is based on the regularities of the chemical and physicochemical interaction of the components of intumescent composition in the process of thermolytic synthesis of heat-insulating char-foamed layers. The aim of fire protection of various objects with intumescent materials is to create a heat-insulating charred layer on the surface of structural elements; this layer can withstand high temperatures and mechanical damage which are typical during fires. The authors describe the contribution of basic components (melamine, pentaerythritol, ammonium polyphosphate), additional components (chlorinated paraffin, urea, cellulose, carbon nano additives, etc.) and polymer binders of intumescent compositions on the process of charring. The technological aspects of manufacturing, application and operation of fire retardant intumescent compositions, which can be useful for organizations that produce and use fire retardant materials, are also described.
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