Sökning: "EMIM"

Hittade 2 uppsatser innehållade ordet EMIM.

  1. 1. Toluene Mediated FCC of LDPE Using Ionic liquids

    Master-uppsats, Högskolan i Borås/Institutionen Ingenjörshögskolan

    Författare :Sachin Chalapati; [2014]
    Nyckelord :EMIM; AlCl3;

    Sammanfattning : Polyethylene is one of the most widely used synthetic materials produced by mankind and its accumulation in the biosphere is exceeding at an alarming rate. There are several methods to recycle or remediate the waste polyethene apart from land filling and generation of useful products from the waste is on demand for research and development. LÄS MER

  3. 2. En komparativ studie av fem rankningsalgoritmer för query expansion

    Magister-uppsats, Högskolan i Borås/Institutionen Biblioteks- och informationsvetenskap / Bibliotekshögskolan

    Författare :Johan Eklund; Anders Stenström; [2002]
    Nyckelord :query expansion; ir-system; återvinningseffektivitet; rankningsalgoritmer; testkollektioner;

    Sammanfattning : The purpose of this thesis is to compare five different ranking algorithms for query expansion. The algorithms compared are f4, f4mod, porter, wpq, and emim. This is done using a TREC collection, a selection of topics, and relevance judgements. Relative recall is measured before and after the expansion of the query. LÄS MER