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以稳定期的浸矿细菌菌液为研究对象，探讨苯酚-硫酸法测定浸矿细菌胞外聚合层中多糖含量的最佳条件，并用红外光谱检测浸矿细菌胞外聚合层中多糖的结构组成。研究结果表明，苯酚-硫酸法测定浸矿细菌胞外聚合层中多糖含量的最佳条件为：最大吸收波长490 nm，浓硫酸用量5 mL，苯酚溶液质量分数5%；在最佳条件下测得的浸矿细菌胞外多聚合层中的多糖质量浓度为12 mg/L；由红外光谱分析浸矿细菌胞外聚合层中的多糖，...
The management of accidents
Accidents Causes Results Management
2009/12/14
Purpose: This author’s experiences in investigating well over a hundred accident occurrences has led to questioning how such events can be managed - - - while immediately recognising that the idea of ...
Calculation of the cooling condition in the phase change problem
Solidification Inverse Stefan Problems Genetic algorithm
2009/12/14
Purpose: The purpose of the paper is to present the method of calculation of the cooling condition in the phase change problem. The considered problem consists of the reconstruction of a function desc...
Integration of management systems on the chosen example
Quality management Environmental management Occupational health and safety management
2009/12/14
Purpose: The paper presents effects of integrated management systems implementation. Integration of these systems makes possible organization image and working efficiency improvement.
Design/methodol...
Reverse task of passive and active mechanical system in torsional vibrations
Process systems design Polar graphs Structural numbers
2009/12/14
Purpose: The main aim of this paper is to develop a method for finding structure and parameters, i.e. a structural and parameter synthesis, of an active model of a viscous damper mechanical system in ...
The Poka-Yoke method as an improving quality tool of operations in the process
Quality management Mistake proofing Poka-Yoke method
2009/12/14
Purpose: A new approach for the implementation of quality philosophy Zero Quality Defects with usage of the Poka-Yoke method in the polish organization has been presented.
Design/methodology/approach...
Hybrid ANFIS-ants system based optimisation of turning parameters
Machining Turning optimization ANFIS-Ants technique
2009/12/14
Purpose: The paper presents a new hybrid multi-objective optimization technique, based on ant colony optimization algorithm (ACO), to optimize the machining parameters in turning processes.
Design/me...
Assessment of the didactic measurement results using FCM type networks
E-learning Computer aided teaching Course management system
2009/12/3
Purpose: The paper presents students egzamination system developer for the scaleable e-learning system. Organisation of the teaching and examination processes, as well as the implementation details ar...
Analysis of structural properties of aluminium skeleton castings regarding the crystallization kinetics
Casting Skeleton casting Solidification
2009/12/3
Purpose: The aim of this research was the definition of technological parameters influence and modification treatment on structural properties of closed skeleton castings. Approach obtained maximal re...
Criteria of microstructural assessment of the conventional and new TBC layers
Metallic alloys Thin & thick coatings TBC
2009/12/3
Purpose: The purpose of this paper is to present principles and criteria of microstructural assessment of thermal barrier coatings (TBCs). The conventional layers are described in expert papers, where...
Powder pneumatic injection as a tool for wastes utilization
Cleaner production Industrial application of cleaner production methods Casting
2009/12/3
Purpose: Metallurgical process generates many solid, gaseous and liquid wastes. Nowadays when environmental protection is one of the most important problems and when pollution limits are very tight as...
FEM analysis of drills used in bone surgery
Numerical techniques Finite Elements Methods Metallic materials
2009/12/3
Purpose: The aim of the work was determination of biomechanical analysis of a surgical drill – bone system in simulated conditions of drilling in a bone.
Design/methodology/approach: Geometrical mode...
Effects of particle size distribution on the refractory properties and corrosion ultra-low cement castables
Ultra-low cement castables (ULC) Particle size distribution Rheolology Slag penetration
2009/12/2
Design/methodology/approach: In this study the effect of particle size distribution on refractory properties of
ultra-low cement castables was investigated. Secar 71 cement was used as a binder. The ...
Blended learning in teaching materials science subjects at full time studies
Computer supported education Moodle Blended learning
2009/12/2
Purpose: The main aim of this article is to present the advantages and disadvantages of the use of blended
learning in teaching Fundamentals of Materials Science and Metal Materials. The purpose of c...
Factors determining the durability of steam superheater chambers
The outlet chamber of steam superheater Intermediate pipelines Attemperators A discrete superheater model
2009/12/2
Purpose: The paper presents the results of calculations of effort for the material of selected superheater chambers’
constructional systems in unsteady operation conditions.
Design/methodology/appro...