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[null,"1.","Record Nr.",null,"UNICAMPANIASUN0038644"]
[null,null,"Autore",null,"Sienko, Michell Joseph"]
[null,null,"Titolo",null,"Chimica / Michell J. Sienko, Robert A. Plane ; edizione italiana a cura di A. Fava"]
[null,null,"Pubbl/distr/stampa",null,"Padova : Piccin, 1977"]
[null,null,"Edizione",null,"[4. ed]"]
[null,null,"Descrizione fisica",null,"XX, 748 p. ; 25 cm. - Trad. di A. Mattucci"]
[null,null,"Disciplina",null,"540"]
[null,null,"Soggetti",null,"Chimica"]
[null,null,"Lingua di pubblicazione",null,"Italiano"]
[null,null,"Formato",null,"Materiale a stampa"]
[null,null,null,"Livello bibliografico","Monografia"]
[null,"2.","Record Nr.",null,"UNISA996279881403316"]
[null,null,"Titolo",null,"ANSI N42.25-1997 : American National Standard Calibration and Usage of Alpha/Beta Proportional Counters / / Institute of Electrical and Electronics Engineers"]
[null,null,"Pubbl/distr/stampa",null,"Piscataway, New Jersey : , : IEEE, , 1997"]
[null,null,"ISBN",null,"0-7381-0749-2"]
[null,null,"Descrizione fisica",null,"1 online resource (32 pages)"]
[null,null,"Disciplina",null,"621.372"]
[null,null,"Soggetti",null,"Calibration - Standards"]
[null,null,"Lingua di pubblicazione",null,"Inglese"]
[null,null,"Formato",null,"Materiale a stampa"]
[null,null,null,"Livello bibliografico","Monografia"]
[null,null,null,"Sommario/riassunto","This standard establishes methods for the calibration and use of gas proportional counters with and without active guard detectors. This standard also establishes methods for measuring the alpha and beta counting plateau, crosstalk factors, background, alpha and beta efficiency from prepared standards, correction factors for samples whose self-attenuation or mass differs from that of the standard, and calculation of the sample activities together with their random and total uncertainties. Correction for pulse pileup due to high count rate is also discussed. Although many principles articulated in this standard apply to the counting of radionuclides emitting a maximum beta energy below 100 keV as well, the counting of these low-energy beta emitters requires a higher degree of attention to detail in sample preparation, instrument calibration, and measurement correction factors than addressed in this standard. Therefore, this standard is intended for measuring radionuclides with maximum beta energies above 100 keV."]
[null,"3.","Record Nr.",null,"UNINA9910346828103321"]
[null,null,"Autore",null,"Wilson W. Johnny"]
[null,null,"Titolo",null,"Conservation Biology in Sub-Saharan Africa"]
[null,null,"Pubbl/distr/stampa",null,"[Erscheinungsort nicht ermittelbar], : Open Book Publishers, 2019"]
[null,null,"Descrizione fisica",null,"1 online resource (694 p.)"]
[null,null,"Soggetti",null,"Applied ecology"]
[{"$nulls":4},"Conservation of the environment"]
[{"$nulls":4},"Conservation of wildlife and habitats"]
[{"$nulls":4},"Sub-Saharan Africa"]
[null,null,"Lingua di pubblicazione",null,"Inglese"]
[null,null,"Formato",null,"Materiale a stampa"]
[null,null,null,"Livello bibliografico","Monografia"]
[null,null,null,"Sommario/riassunto","\"Conservation Biology in Sub-Saharan Africa comprehensively explores the challenges and potential solutions to key conservation issues in Sub-Saharan Africa.    Easy to read, this lucid and accessible textbook includes fifteen chapters that cover a full range of conservation topics, including threats to biodiversity, environmental laws, and protected areas management, as well as related topics such as sustainability, poverty, and human-wildlife conflict. This rich resource also includes a background discussion of what conservation biology is, a wide range of theoretical approaches to the subject, and concrete examples of conservation practice in specific African contexts. Strategies are outlined to protect biodiversity whilst promoting economic development in the region.    Boxes covering specific themes written by scientists who live and work throughout the region are included in each chapter, together with recommended readings and suggested discussion topics. Each chapter also includes an extensive bibliography.  Conservation Biology in Sub-Saharan Africa provides the most up-to-date study in the field. It is an essential resource, available on-line without charge, for undergraduate and graduate students, as well as a handy guide for professionals working to stop the rapid loss of biodiversity in Sub-Saharan Africa and elsewhere.  \""]