Documentos Relativos Al Ingreso Y A La Separacion De La Primera Secretaria De Estado De La Republica Mexicana De Jose Maria Gutierrez De Estrada 2a Edicion
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International Code of Conduct on Pesticide Management
| Author | : Food and Agriculture Organization of the United Nations |
| Publisher | : Food & Agriculture Org. |
| Total Pages | : 37 |
| Release | : 2018-09-03 |
| Genre | : Social Science |
| ISBN | : 9251091870 |
The understanding that some pesticides are more hazardous than others is well established. Recognition of this is reflected by the World Health Organization (WHO) Recommended Classification of Pesticides by Hazard, which was first published in 1975. The document classifies pesticides in one of five hazard classes according to their acute toxicity. In 2002, the Globally Harmonized System of Classification and Labelling of Chemicals (GHS) was introduced, which in addition to acute toxicity also provides classification of chemicals according to their chronic health hazards and environmental hazards.
Employment in Metropolitan Areas
| Author | : United States. Bureau of Labor Statistics |
| Publisher | : |
| Total Pages | : 126 |
| Release | : 1947 |
| Genre | : Labor supply |
| ISBN | : |
How Tobacco Smoke Causes Disease
| Author | : United States. Public Health Service. Office of the Surgeon General |
| Publisher | : |
| Total Pages | : 728 |
| Release | : 2010 |
| Genre | : Government publications |
| ISBN | : |
This report considers the biological and behavioral mechanisms that may underlie the pathogenicity of tobacco smoke. Many Surgeon General's reports have considered research findings on mechanisms in assessing the biological plausibility of associations observed in epidemiologic studies. Mechanisms of disease are important because they may provide plausibility, which is one of the guideline criteria for assessing evidence on causation. This report specifically reviews the evidence on the potential mechanisms by which smoking causes diseases and considers whether a mechanism is likely to be operative in the production of human disease by tobacco smoke. This evidence is relevant to understanding how smoking causes disease, to identifying those who may be particularly susceptible, and to assessing the potential risks of tobacco products.
Soil and Sediment Remediation
| Author | : Piet Lens |
| Publisher | : IWA Publishing |
| Total Pages | : 545 |
| Release | : 2005-09-30 |
| Genre | : Science |
| ISBN | : 1843391007 |
Soil and Sediment Remediation discusses in detail a whole set of remediative technologies currently available to minimise their impact. Technologies for the treatment of soils and sediments in-situ (landfarming, bioscreens, bioventing, nutrient injection, phytoremediation) and ex-situ (landfarming, bio-heap treatment, soil suspension reactor) will be discussed. The microbiological, process technological and socio-economical aspects of these technologies will be addressed. Special attention will be given to novel biotechnological processes that utilise sulfur cycle conversions, e.g. sulfur and heavy metal removal from soils. Also the potential of phytoremediation will be highlighted. In addition, treatment schemes for the clean-up of polluted megasites, e.g. harbours and Manufactured Gaswork Plants (MGP), will be elaborated. The aim of Soil and Sediment Remediation is to introduce the reader in: the biogeochemical characteristics of soil and sediments- new techniques to study soil/sediment processes (molecular probes, microelectrodes, NMR) clean up technologies for soils polluted with organic (PAH, NAPL, solvents) or inorganic (heavy metals) pollutants- preventative and remediative strategies and technologies available in environmental engineering novel process applications and bioreactor designs for bioremediation the impact of soil pollution on society and its economic importance.
Environmental Transport Processes
| Author | : Bruce E. Logan |
| Publisher | : John Wiley & Sons |
| Total Pages | : 493 |
| Release | : 2012-03-20 |
| Genre | : Science |
| ISBN | : 1118230078 |
A unique approach to the challenges of complex environmental systems Environmental Transport Processes, Second Edition provides much-needed guidance on mass transfer principles in environmental engineering. It focuses on working with uncontrolled conditions involving biological and physical systems, offering examples from diverse fields, including mass transport, kinetics, wastewater treatment, and unit processes. This new edition is fully revised and updated, incorporating modern approaches and practice problems at the end of chapters, making the Second Edition more concise, accessible, and easy to use. The book discusses the fundamentals of transport processes occurring in natural environments, with special emphasis on working at the biological physical interface. It considers transport and kinetics in terms of systems that involve microorganisms, along with in-depth coverage of particles, size spectra, and calculations for particles that can be considered either spheres or fractals. The book's treatment of particles as fractals is especially unique and the Second Edition includes a new section on exoelectrogenic biofilms. It also addresses dispersion in natural and engineered systems unlike any other book on the subject. Readers will learn to tackle with confidence complex environmental systems and make transport calculations in heterogeneous environments with mixtures of chemicals.
Primates in Fragments
| Author | : Laura K. Marsh |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 543 |
| Release | : 2013-09-07 |
| Genre | : Science |
| ISBN | : 1461488397 |
This book is number two in a series for Primates in Fragments. In this volume, ten years after the first http://www.springer.com/social+sciences/anthropology+%26+archaeology/book/978-0-306-47696-9, we continue to address issues regarding primates within a fractured landscape. There are seven sections based on specific categories of primates in fragments. In the Introductory section, authors discuss the issues surrounding primates in remnant habitats as well as encourage discussion about what we mean by fragmentation on a landscape scale. In the Long-Term and Regional Studies section, authors present information on changes that have occurred during longer studies as well as changes that have occurred over regions. In the Landscape, Metapopulations and the Matrix section, authors cover topics from dry to moist forests, and from metapopulations to single species use of multiple fragments locations. In Feeding and Behavioral Ecology, authors take a closer look at the flexibility and responsiveness of primates in fragments in terms of their food choices, resource use, and behavioral changes. In Endemic, Endangered, and Nocturnal Primates authors uncover details involving critical primates living in major city centers to the heights of the Himalayas. In Genetics, Disease and Parasites authors cover topics including population viability, disease and parasite transmission between primates in fragments and humans. Finally, in the Conservation and Ecology: Threats and Management section, we synthesize information in this volume and make recommendations for the future of work in this field and the survivability of primates in fragments.
The Poisoned Water
| Author | : Fernando Benítez |
| Publisher | : Carbondale : Southern Illinois University Press |
| Total Pages | : 168 |
| Release | : 1973 |
| Genre | : Fiction |
| ISBN | : |
This first English translation makes available to English-speaking readers a powerful modern Mexican novel, first published in 1961. Fernando Benítez, well-known Mexican author, journalist, and winner of Mexico's 1968 best-book award, exploits a true but little-known incident by building it into a tightly structured, tense, and tragic novel of social protest. The incident on which the novel is based is a bloody rebellion against the village feudal master touched off by joking comment on the "poisoning" of the water as one of Don Ulises's men is pushed into the plaza fountain. Feeding on itself, the rumor spreads that the "boss" has poisoned the local spring, and rebellion follows, with its violent and unforeseen consequences. The result is a frightening look at one of Mexico's major social problems and glaring ironies--that over fifty years after a revolution fought by the peasant and for the peasant, most rural groups are still living below the national economic standard.
Primates in Fragments
| Author | : Laura K. Marsh |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 408 |
| Release | : 2013-06-29 |
| Genre | : Social Science |
| ISBN | : 147573770X |
This volume was created initially from a symposium of the same name presented at the International Primatological Society's XVIII Congress in Adelaide. South Australia. 6-12 January 2000. Many of the authors who have contributed to this text could not attend the symposium. so this has become another vehicle for the rapidly growing discipline of Fragmentation Science among primatologists. Fragmentation has quickly become a field separate from general ecology. which underscores the severity of the situation since we as a planet are rapidly losing habitat of all types to human disturbance. Getting ecologists. particularly primatologists. to admit that they study in fragments is not easy. In the field of primatology. one studies many things. but rarely do those things (genetics. behavior. population dynamics) get called out as studies in fragmentation. For some reason "fragmentation primatologists" fear that our work is somehow "not as good" as those who study in continuous habitat. We worry that perhaps our subjects are not demonstrating as robust behaviors as they "should" given fragmented or disturbed habitat conditions. I had a colleague openly state that she did not work in fragmented forests. that she merely studied behavior when it was clear that her study sites. everyone of them. was isolated habitat. Our desire to be just another link in the data chain for wild primates is so strong that it makes us deny what kinds of habitats we are working in. However.
