Radio Meteorology PDF Download
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Author: Bradford R. Bean
Publisher:
ISBN:
Category : Radio meteorology
Languages : en
Pages : 456
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Book Description
Author: Bradford R. Bean
Publisher:
ISBN:
Category : Radio meteorology
Languages : en
Pages : 456
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Book Description
Author: D.R. Karsa
Publisher: Springer Science & Business Media
ISBN: 0751402060
Category : Technology & Engineering
Languages : en
Pages : 278
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Book Description
The awareness and development of 'biodegradable' surfactants pre-dates current pressures by the environmental movement by nearly three decades, wherein a responsible industry mutually agreed to replace 'hard', non-biodegradable com ponents of household detergents by 'soft', biodegradable alternatives, without course to legislation. The only requirement at that time was for surfactants used in detergents to exhibit a 'primary biodegradability' in excess of 80%; this referring to the disap pearance or removal from solution of the intact surface active material as de tected by specified analytical techniques. This proved useful, as observed environmental impacts of surfactants, e.g. visible foam on rivers, are associated with the intact molecule. Test methods for 'primary biodegradability' were eventually enshrined in EU legislation for nonionic surfactants (Directive 821242/EEC, amended 73/404IEEC) and for anionic surfactants (Directive 8212431EEC, amended 73/405IEEC). No approved test methods and resultant legislation have been developed for cationic and amphoteric surfactants to date. The environmental classification of chemical substances, which of course includes surfactants, and associated risk assessment utilises a second criterion 'ready biodegradability'. This may be assessed by a number of methods which monitor oxygen uptake (BOD), carbon dioxide production or removal of dis solved organic carbon (DOC). Some surfactants which comply with the above Detergents Directive are borderline when it comes to 'ready biodegradability'.
Author: Jessica Campese
Publisher: CIFOR
ISBN: 9791412898
Category : Biodiversity conservation
Languages : en
Pages : 334
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Book Description
Author: E. S. Domalski
Publisher: American Institute of Physics
ISBN:
Category : Science
Languages : en
Pages : 312
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Book Description
Author: Robert Donald Swisher
Publisher:
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 524
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Book Description
Author:
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 760
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Book Description
Author: Tim A. Zayatz
Publisher:
ISBN:
Category : Disability insurance
Languages : en
Pages : 88
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Book Description
Author: Karl Pearson
Publisher:
ISBN:
Category : Biology
Languages : en
Pages : 238
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Book Description
Author: Egon Sharpe Pearson
Publisher:
ISBN:
Category : Biomathematics
Languages : en
Pages : 240
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Book Description
Author: Neha Yadav
Publisher: Springer
ISBN: 981130761X
Category : Technology & Engineering
Languages : en
Pages : 1209
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Book Description
The book covers different aspects of real-world applications of optimization algorithms. It provides insights from the Fourth International Conference on Harmony Search, Soft Computing and Applications held at BML Munjal University, Gurgaon, India on February 7–9, 2018. It consists of research articles on novel and newly proposed optimization algorithms; the theoretical study of nature-inspired optimization algorithms; numerically established results of nature-inspired optimization algorithms; and real-world applications of optimization algorithms and synthetic benchmarking of optimization algorithms.
