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Vpliv velikosti iverja in delež dodanega lepila na stopnjo oblepljenosti : diplomsko delo (visokošolski strokovni študij)
ID Grudnik, Jure (Author), ID Medved, Sergej (Mentor) More about this mentor... This link opens in a new window, ID Šernek, Milan (Reviewer)

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PID: 20.500.12556/dkum/05926cf1-d120-4f93-b4e9-c4e3c914d4c7

Abstract
Proučevali smo, v kolikšni meri vplivata tako delež dodatnega lepila (faktor oblepljanja) kot tudi velikost frakcije iverja na dejansko stopnjo oblepljenosti ivernih delcev. S pomočjo slikovne analize smo prikazali, pri katerih velikostih frakcije in pri kateri stopnji oblepljanja je delež lepila največji. Za lažjo analizo smo lepilu dodali barvilo, ki je pod vplivom fluoroscentne svetlobe oblepljeno površino obarvalo rdeče. Z digitalnim fotoaparatom smo preko mikroskopa poslikali vzorce in jih obdelali s programom za analizo slike, ki je omogočal izmero površine celotnega in površino oblepljenega iverja. Izračunali smo stopnjo oblepljenosti iverja pri različnih stopnjah oblepljanja. Ugotovili smo, da je ob višjem faktorju oblepljanja in večji frakciji večja dejanska oblepljenost iverja. S pomočjo slikovne analize smo opazovali tudi nanos lepila na iverne delce in ugotovili, da pri delcih z manjšo površino pride do prekritja z lepilom, medtem ko se pri večjih frakcijah lepilo nanese točkovno.

Language:Slovenian
Keywords:iverje, sejalna analiza, oblepljanje iverja, slikovna analiza
Work type:Undergraduate thesis (m5)
Typology:2.11 - Undergraduate Thesis
Organization:BF - Biotechnical Faculty
Year:2007
Publisher:[J. Grudnik]
Number of pages:IX, 50 f., [16 f. pril.]
Place:Ljubljana
PID:20.500.12556/RUL-206 This link opens in a new window
UDC:630*862.2
COBISS.SI-ID:1508745 This link opens in a new window
Publication date in RUL:11.07.2014
Views:715
Downloads:279
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Secondary language

Language:English
Title:Influence of the particle sizes and adhesive quantity on surface covered with adhesive : graduation thesis (higher professional studies)
Abstract:
It was researched how the blending factor and the size of particles influence the blending level. Using the image analysis it was described which particle sizes and which blending degree contain more glue. To distinct better the blended - red colored from non blended areas of particles a special pigment was added to the gluue; then the samples were placed under the fluoroscent light. To define areas of the whole parts and those of the blended ones the images, obtained by a digital camera and a microscope, were processed using computer programme for picture analysis. The level of the blended particles was calculated at different blending levels. It was found out that at higher blending levels and larger size particles the blending is higher. Usage of the image analysis helped us to observe how the glue was spread upon the particles; smaller were practically poured all over, while bigger particles had glue spread in spots.

Keywords:particle, sowing analysis, bonding, image analysis

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