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Ultrafine grinding of FGD and phosphogypsum with an attrition bead mill and a jet mill : optimisation and modelling of grinding and mill comparison
(Lappeenranta University of Technology, 1997-12-22)
Fine powders of minerals are used commonly in the paper and paint industry, and for ceramics. Research for utilizing of different waste materials in these applications is environmentally important.
In this work, the ...
On the Reversed Brayton Cycle with High Speed Machinery
(1996)
This work was carried out in the laboratory of Fluid Dynamics, at Lappeenranta University of Technology during the years 1991-1996. The research was a part of larger high speed technology development research. First, there ...
Ash Particle Erosion on Steam Boiler Convective Section
(1997)
In this study, equations for the calculation of erosion wear caused by ash particles on convective heat exchanger tubes of steam boilers are presented. Anew, three-dimensional test arrangement was used in the testing of ...
Competitor Information andCompetitive Knowledge Management in a Large Industrial Organization
(1997-12-05)
Thisthesis supplements the systematic approach to competitive intelligence and competitor analysis by introducing an information-processing perspective on management of the competitive environment and competitors therein. ...
The effects of productivity on profitability: a case study at firm level using an activity-based costing approach
(1995-08-04)
Productivity and profitability are important concepts and measures describing the performance and success of a firm. We know that increase in productivity decreases the costs per unit produced and leads to better profitability. ...
Mk-factor Equations and Crack Growth Simulations for Fatigue of Fillet-welded T-joints
(Lappeenraata University of Technology, 1993-06-22)
Thermal-Hydraulic Studies on the Safety Of VVER-440 Type Nuclear Power Plants
(Lappeenranta University of Technology, 1994-01-07)
This thesis includes several thermal hydraulic analyses related to the Loviisa WER 440 nuclear power plant units. The work consists of experimental studies, analysis of the experiments, analysis of some plant transits and ...
Knapsack sets for cryptography
(Lappeenraata University of Technology, 1994-05-06)
The basic goal of this study is to extend old and propose new ways to generate knapsack sets suitable for use in public key cryptography. The knapsack problem and its cryptographic use are reviewed in the introductory ...
Merchandising Strategies and Retail Performance for Seasonal Fashion Products
(Lappeenranta Univesity of Technology, 1999-03-19)
This study presents mathematical methods for evaluation of retail performance with special regard to product sourcing strategies. Forecast accuracy, process lead time, offshore / local sourcing mix and up front / replenishment ...
Use of neural networks in robot positioning of large flexible redundant manipulators
(Lappeenranta University of Technology, 1999-10-06)
Deflection compensation of flexible boom structures in robot positioning is usually done using tables containing the magnitude of the deflection with inverse kinematics solutions of a rigid structure. The number of table ...