Elementos de química general para uso de los alumnos de ciencias, medicina, farmacia, ingenieros industriales, agrónomos, de minas, etc., etc PDF Download

Author: Ramón Torres Muñoz de Luna
Publisher:
ISBN:
Category :
Languages : es
Pages : 598

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Author: Angel Aparicio
Publisher:
ISBN:
Category : Periodicals
Languages : en
Pages : 958

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Author: Ramón Torres Muñoz de Luna
Publisher:
ISBN:
Category :
Languages : es
Pages : 622

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Author: Food and Agriculture Organization of the United Nations
Publisher: Food & Agriculture Org.
ISBN: 9251091870
Category : Social Science
Languages : en
Pages : 37

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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.

Author: Ramon Torres Muñoz de Luna
Publisher: Legare Street Press
ISBN: 9781020124044
Category :
Languages : es
Pages : 0

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Manual de química para estudiantes avanzados y profesionales de diferentes áreas, con énfasis en la teoría atómico-molecular y su aplicación práctica. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

Author: M.H. Zimmermann
Publisher: Springer Science & Business Media
ISBN: 3642661610
Category : Science
Languages : en
Pages : 548

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When WILHELM RUHLAND developed his plan for an Encyclopedia of Plant Physiol ogy more than three decades ago, biology could still be conveniently subdivided into classical areas. Even within plant physiology, subdivisions were not too difficult to make, and general principles could be covered sufficiently in the two introductory volumes of the Encyclopedia on the physical and chemical basis of cell biology. But the situation changed rapidly even during the 12-year publication period of the Encyclopedia (1955-1967). The new molecular direction of genetics and structural research on biopolymers had an integrating effect on all other biological fields, including plant physiology, and it became increasingly difficult to keep previously distinct areas separated. RUHLAND'S overall plan included 18 volumes and about 22,000 pages. It covered the entire field of plant physiology, in most cases from the very beginning. But, as each volume appeared, it was clear that its content would soon be outdated.

Author: Ibrokhim Y. Abdurakhmonov
Publisher: BoD – Books on Demand
ISBN: 9535124552
Category : Science
Languages : en
Pages : 312

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Plant genomics aims to sequence, characterize, and study the genetic compositions, structures, organizations, functions, and interactions/networks of an entire plant genome. Its development and advances are tightly interconnected with proteomics, metabolomics, metagenomics, transgenomics, genomic selection, bioinformatics, epigenomics, phenomics, system biology, modern instrumentation, and robotics sciences. Plant genomics has significantly advanced over the past three decades in the land of inexpensive, high-throughput sequencing technologies and fully sequenced over 100 plant genomes. These advances have broad implications in every aspect of plant biology and breeding, powered with novel genomic selection and manipulation tools while generating many grand challenges and tasks ahead. This Plant genomics provides some updated discussions on current advances, challenges, and future perspectives of plant genome studies and applications.

Author: Nuria Bosch
Publisher: Edward Elgar Publishing
ISBN: 1848442718
Category : Political Science
Languages : en
Pages : 279

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This highly original book analyzes political decentralization and fiscal federalism in Canada and Germany, both traditional federal countries, and in Spain, a unitarian country engaged in the last two decades in a process of decentralization. The three key issues required for a well designed financing system are analyzed in depth herein, namely: tax assignment, equalization grants (i.e. redistribution of money from the wealthy regions or the national government to poorer regions) and the role of regional government in the administration of taxes. Fiscal Federalism and Political Decentralization will be of particular interest to academics and researchers of economics, public economics, public finance and public choice. It will also appeal to politicians and policy makers as well as organizations and agencies related to the economy and fiscal federalism.

Author: Andrea Canepari
Publisher: Temple University Press
ISBN: 1439916470
Category : History
Languages : en
Pages : 422

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"The Italian Legacy in Philadelphia examines the impact and influence of Italian arts, culture, people, and ideas on the city of Philadelphia from the founding to the present"--

Author: Patricia Vit
Publisher: Springer Science & Business Media
ISBN: 146144960X
Category : Science
Languages : en
Pages : 655

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The stingless bees are one of the most diverse, attractive, fascinating, conspicuous and useful of all the insect groups of the tropical world. This is a formidable and contentious claim but I believe it can be backed up. They are fifty times more species rich than the honey bees, the other tribe of highly eusocial bees. They are ubiquitous in the tropics and thrive in tropical cities. In rural areas, they nest in a diversity of sites and are found on the flowers of a broad diversity of crop plants. Their role in natural systems is barely studied but they almost certainly deserve that hallowed title of keystone species. They are popular with the general public and are greatly appreciated in zoos and gardens. The chapters of this book provide abundant further evidence of the ecological and economic importance of stingless bees.