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751 tulosta hakusanalla Halina Ross

Prétraitement de l'eau de mer

Prétraitement de l'eau de mer

Khedidja Dahmani; Ahmed Boucherdoud; Halima Delali

Editions Universitaires Europeennes
2024
pokkari
La formation du tartre au niveau des surfaces chaudes de transfert de chaleur dans les usines de dessalement par le pr c d d tentes tag es (MSF). Le tartre se forme s'il y a une pr cipitation de sels contenus dans l'eau de mer tels que les carbonates de calcium et de magn sium. Le pr traitement est bas sur l' limination des ions de calcium et de magn sium de l'eau de mer, en utilisant la r sine cationique en tant qu' changeur des ions et des agents de pr cipitation tels que: soude, carbonate de sodium et couplage de carbonate de sodium - soude. Les agents de pr cipitation donnent de bons r sultats pour liminer les ions de calcium et de magn sium de l'eau de mer. Ce pr traitement par pr cipitation limine les ions de calcium et de magn sium de 620 et 644 mg/L 5 et 9.11 mg/L, avec un taux d' limination de 99.19% et 98,58 %, respectivement.Le pr traitement d'adoucissement par la r sine cationique Lewatit S100, limine les ions de calcium et de magn sium de 620 et 644 mg/L 300 et 486 mg/L, respectivement, la caract risation par infrarouge et par diffraction de rayons X par MEB et EDX ont valid s ces r sultats.
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Tutkimusmatka Tarkoitusten merellä

Tutkimusmatka Tarkoitusten merellä

Pyry Hannila; Sami Hoisko; Helinä Juurinen

Books on Demand
2015
pokkari
Tutkimusmatka Tarkoitusten merellä -menetelmäopas on syntynyt osana Non Fighting Generation ry:n vuosina 2013-2015 toteuttamaa "Valoa elämään" -hanketta. 3-vuotisen terveyden edistämisen hankkeen tarkoituksena on ollut kehittää ja pilotoida 13-25-vuotiaiden nuorten tunnistamisen, mini-intervention ja pitkäkestoisen yksilöauttamisen menetelmiä.Teoksessa esiteltävän tarkoituskeskeisen menetelmän painopiste on nuoren (1) itsetuhoisuudelle lyhyellä ja pitkällä aikavälillä altistavien riskitekijöiden mahdollisimman varhaisessa tunnistamisessa; (2) henkisten vahvuuksien, voimavarojen ja elämisen syiden vahvistamisessa; sekä (3) elämänarvojen mukaisiin tarkoituksiin suuntautumisessa.Tämä menetelmäopas on tarkoitettu terveydenhoidon, kasvatusalan ja nuorisotyön ammattilaisille, jotka kohtaavat työssään itsetuhoisesti oireilevia nuoria.
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Degradation Theory of Long Term Operated Materials and Structures

Degradation Theory of Long Term Operated Materials and Structures

Grzegorz Lesiuk; José A.F.O. Correia; Halyna V. Krechkovska; Grzegorz Pekalski; Abílio M.P. de Jesus; Oleksandra Student

Springer Nature Switzerland AG
2021
sidottu
This book addresses the fatigue behavior of riveted connections from ancient Portuguese metallic bridges as well as the fatigue crack propagation behavior of related materials. Some examples of the fatigue assessment of long-term operated metallic bridges are presented and discussed. The phenomena of degradation is discussed in chapter 2, devoted to the material aspects of the Degradation Theory. Applications of structural integrity assessment/ corrosion aspects are discussed in chapter 3; case studies in chapter 4 and fatigue and fracture test results in chapter 5.
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Degradation Theory of Long Term Operated Materials and Structures

Degradation Theory of Long Term Operated Materials and Structures

Grzegorz Lesiuk; José A.F.O. Correia; Halyna V. Krechkovska; Grzegorz Pekalski; Abílio M.P. de Jesus; Oleksandra Student

Springer Nature Switzerland AG
2022
nidottu
This book addresses the fatigue behavior of riveted connections from ancient Portuguese metallic bridges as well as the fatigue crack propagation behavior of related materials. Some examples of the fatigue assessment of long-term operated metallic bridges are presented and discussed. The phenomena of degradation is discussed in chapter 2, devoted to the material aspects of the Degradation Theory. Applications of structural integrity assessment/ corrosion aspects are discussed in chapter 3; case studies in chapter 4 and fatigue and fracture test results in chapter 5.
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Media and Mediation in the Eighteenth Century

Media and Mediation in the Eighteenth Century

Penelope Corfield; Jonas Nordin; Sophie Holm; Ylva Haidenthaller; Fokko Jan Dijksterbuis; Halima Ouanada; Maria Isabel Limongi; Antonio Carlos dos Santos

Lunds universitet, Media-Tryck
2023
nidottu
While eighteenth-century print media in essence rested on the same technical apparatus as in previous centuries – letterpress printing, woodcuts, and intaglio prints – the growth in quantity created a media revolution. The effect was a qualitative shift in terms of literacy, growth of newspapers, the spread of images and distribution of knowledge, but also of misinformation and propaganda. In this volume eight scholars from three continents investigates various aspects of media and mediation in the history, culture, and politics of the eighteenth century.
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Instant Insights: Phosphorus Uptake and Use in Crops

Instant Insights: Phosphorus Uptake and Use in Crops

Jiayin Pang; Zhihui Wen; Daniel Kidd; Megan H. Ryan; Rui-Peng Yu; Li Long; Wen-Feng Cong; Kadambot Siddique; Hans Lambers; J. L. Havlin; A. J. Schlegel; Richard J. Simpson; Rebecca E. Haling; Phillip Graham; Andrew N. Sharpley

Burleigh Dodds Science Publishing Limited
2023
pokkari
This collection features four peer-reviewed reviews on phosphorus uptake and use in crops.The first chapter summarises the progress in research on root traits associated with phosphorus acquisition, including root morphology, architecture, biochemistry, colonisation by arbuscular mycorrhizal fungi, and fine root endophytes. The chapter also reviews the recent advances in breeding programmes to improve phosphorus acquisition efficiency.The second chapter discusses interactions between phosphorus management (phosphorus rate, source timing, and placement) and diverse cropping systems and climate and how these interactions are essential to efficient utilization of phosphorus resources.The third chapter assesses the key soil, root and microbial processes that influence phosphorus acquisition with a focus on factors that can be managed to ensure optimal use of fertiliser and development of root systems for improved phosphorus acquisition. A case study from Australia is used to demonstrate how phosphorus efficiency of grasslands can be improved.The final chapter reviews the environmental effects of phosphorus fertilisation in agriculture, primarily its impact on water quality. The chapter considers how future water quality issues can be mitigated and also examines the cycling, fate and transport of phosphorus in agriculture.
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Under Ukrainas öppna himmel

Under Ukrainas öppna himmel

Natalka Blok; Olga Bragina; Daryna Gladun; Rita Burkovska; Anna Jablonskaja; Volodymyr Jermolenko; Kateryna Kalytko; Irena Karpa; Ija Kiva; Halyna Kruk; Maksim Kurotjkin; Andrij Ljubka; Vasyl Lozynskyj; Oleg Michajlov; Kateryna Misjtjenko; Julia Musakovska; Lesyk Panasiuk; Oryna Petrova; Olena Stepanenko; Nadija Suchorukova; Irina Susjkova; Tetiana Teren; Natalija Vorozjbyt; Oksana Zabuzjko; Serhij Zjadan

Ariel Förlag
2022
nidottu
Under Ukrainas öppna himmel. Röster ur ett krig är en antologi med texter som ger uttryck för erfarenheterna av den ryska invasionen av Ukraina och som ger en inblick i ­bakgrunden till den. Boken innehåller nära tre hundra sidor poesi, dramatik, krönikor, dagboks­anteckningar och essäer om och ur det krigsdrabbade Ukraina – det mesta skrivet under det senaste halvåret. Boken är också den första litterära antologin från Ukraina som kommer ut på ­svenska på nära tre decennier. Boken ges ut av Ariel förlag i samarbete med Svenska PEN. Hela överskottet från försäljningen går till Svenska PEN:s arbete att stödja Ukraina.
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