Sökning: "duty to contribute"

Visar resultat 6 - 10 av 41 avhandlingar innehållade orden duty to contribute.

  1. 6. Towards sustainable urban transportation : Test, demonstration and development of fuel cell and hybrid-electric buses

    Författare :Anders Folkesson; Per Alvfors; Peter Treffinger; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; acceptance; analysis; auxiliary system; bus; Clean Urban Transport for Europe; concept; CUTE; demonstration; driver; drive cycle; duty cycle; energy flow; evaluation; fuel cell; heavy duty vehicle; hybrid management; hybrid vehicle; hydrogen; passenger; PEM; safety; Sankey diagram; series hybrid; sustainable; test; urban transport; vehicle simulation; acceptans; analys; hjälpaggregat; buss; Clean Urban Transport for Europe; koncept; CUTE; demonstration; körcykel; förare; energiflöde; utvärdering; bränslecell; tunga fordon; hybridsystemkontroll; hybridfordon; vätgas; passagerare; PEM; säkerhet; Sankey-diagram; seriehybrid; uthållig; hållbar; test; stadstransport; fordonssimulering; Vehicle engineering; Farkostteknik; Chemical engineering; Kemiteknik;

    Sammanfattning : Several aspects make today’s transport system non-sustainable: • Production, transport and combustion of fossil fuels lead to global and local environmental problems. • Oil dependency in the transport sector may lead to economical and political instability. LÄS MER

  3. 7. Den reglerade invandringen och barnets bästa : Barns rätt till familjeliv och privatliv enligt barnkonventionen, Europakonventionen, EU-rätten och svensk utlänningslagstiftning

    Författare :Louise Dane; Anna Kaldal; Jane Reichel; Rebecca Thorburn Stern; Stockholms universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Right to respect for private and family life; child rights; child law; migration law; immigration control; the best interest of the child; proportionality assessment; legality; objectivity; duty to give reasoned decisions; human rights; Rätt till respekt för privatliv och familjeliv; barnrätt; migrationsrätt; reglerad invandring; barnets bästa; proportionalitet; legalitet; objektivitet; motiveringsskyldighet; offentlig rätt; mänskliga rättigheter; utlänningslagen; offentlig rätt; Public Law;

    Sammanfattning : This thesis analyses the principle of the best interests of the child and the right to private and family life in relation to the societal interest of controlling immigration. The aim of the thesis is to contribute to ensuring more predictable and transparent legislation and decision-making.States, generally, have the right to control immigration. LÄS MER

  4. 8. Av kärlek och plikt : Att bli familjehem till ett barnbarn, syskon eller syskonbarn

    Författare :Sofia Linderot; Socialhögskolan; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; släktinghem; släktinghemsförälder; familjehem; livslopp; doing family; intervjuer; Kinship care; Foster home; Kinship carers; Upbringing by relatives; Doing family; Life Course; Interviews;

    Sammanfattning : This dissertation focuses on kinship foster parents and their experiences caring for their kinship children, something that is rarely touched on in kinship care research. The primary purpose of this study is to, based on a life-course perspective and with family theoretical concepts, analyze what it might mean to take care of a family member’s child through a formal commitment such as a foster care home. LÄS MER

  5. 9. Measures to Enhance the Dynamic Performance of Railway Catenaries

    Författare :Zhendong Liu; Sebastian Stichel; João Pombo; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Vehicle and Maritime Engineering; Farkostteknik;

    Sammanfattning : The pantograph-catenary system is used in railways to transfer electric power from infrastructure to trainset. As the pantograph slides against the catenary, the contact between the two surfaces is not stable due to stiffness variation, propagating wave and other environmental perturbation, especially at high speeds or in multi-pantograph operation. LÄS MER

  7. 10. Supervisory control for emission compliance of heavy-duty vehicles

    Författare :Mohammed Razaul Karim; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; supervisory control; Euro VI emission legislation; exhaust aftertreatment system; Pontryagin’s minimum principle; E-NMPC.; Diesel engines;

    Sammanfattning : Heavy freight trucks globally contribute to a significant proportion of transport-related air pollution. The dominant air pollutants from heavy freight trucks with diesel engine and exhaust aftertreatment system (EATS) are CO2, hydrocarbons (HC), CO, particulate matter (PM), NOX (NO and NO2), and NH3. LÄS MER