Sökning: "höljen"

Hittade 3 uppsatser innehållade ordet höljen.

  1. 1. Thermal Properties of a 5G Telecom Equipment Casing Design for Noise Suppression

    Master-uppsats, KTH/Skolan för industriell teknik och management (ITM)

    Författare :Per Rundström; [2021]
    Nyckelord :Acoustics; Casing; Shroud; Telecom; Thermal; Akustik; Hölje; Strömningsmekanik; Telecom; Värmeöverföring;

    Sammanfattning : Around the world the implementation of the 5G mobile network is under way. With this latest generation of mobile data transfer comes many advantages compared to the previous generations. One tradeoff however is the reduced range of the transmitting radios due to the higher frequencies of the signal. LÄS MER

  3. 2. Pharmaceutical Quality and Syringeabilityof Pre-filled Syringes : An explorative study on the effect of different syringe barrel andplunger combinations on a proteinaceous pharmaceutical.

    Master-uppsats, KTH/Skolan för kemi, bioteknologi och hälsa (CBH)

    Författare :Emma Sevegran; [2020]
    Nyckelord :Pre-filled syringes; protein aggregation; break loose; gliding force; pharmaceutical quality; subvisible particles; silicone oil; barrel; plunger;

    Sammanfattning : 4AbstractA pre-filled syringe consists of a number of different components and materials e.g. glass, polymer and silicone oil, which will, in various degrees, interact with the pharmaceutical protein and excipients contained within. LÄS MER

  4. 3. Enhanced dielectric AC breakdown strength of polyethylene using voltage stabilizing additives

    Master-uppsats, Lunds universitet/Centrum för analys och syntes

    Författare :Klas Esbo; [2016]
    Nyckelord :cross-linked polyethylene; LDPE; low density polyethylene; polyethylene; voltage stabilizing additives; fast avalanche breakdown; dielectrical breakdown strength; High voltage cable; HVAC; XLPE; Weibull distribution; AC breakdown; materials chemistry; materialkemi; Technology and Engineering; Chemistry;

    Sammanfattning : There is currently a need to increase the voltage level in high voltage transmission and distribution systems in order to transmit power in a more efficient way. However, the insulation of the conductor in high voltage alternating current (HVAC) cables needs to be improved in order to withstand these high voltages. LÄS MER