All Stories

  1. Current-carrying-coil magnetic field influences methane production in anaerobic digestion of water hyacinth by modulating reactive oxygen species levels
  2. Progress in enhancing strategies for hydrogen production from microbial fermentation of organic wastes
  3. Biohythane production from agro-industrial wastes – Current status and future prospects
  4. The impact of advancing mine liquidation processes on the ability to reopen previously abandoned deposits
  5. A modified fly ash-based geopolymer as a sustainable solution for ammonia storage by sorption
  6. Green energy production using a hydro-generator in an underground mine water pumping station – case study
  7. The Financial Results of Energy Sector Companies in Europe and Their Involvement in Hydrogen Production
  8. National Energy and Climate Plan—Polish Participation in the Implementation of European Climate Policy in the 2040 Perspective and Its Implications for Energy Sustainability
  9. High-speed rail, technological improvement, and carbon emission efficiency
  10. Current-carrying-coil-based magnetic field (CCC-MF) favored hydrogenotrophic methanogens for enhanced methane production in high ammonium-nitrogen food waste anaerobic digestion
  11. Optimization Study of Hydrothermal Liquefaction Sewage Sludge to Biocrude Oil in Continuous Multiphase Plug Flow Reactor
  12. Control of contour evolution, burn rate variation, and reaction channel formation in coal gasification
  13. Effects of Lignocellulosic Biomass-Derived Hydrolysate Inhibitors on Cell Growth and Lipid Production During Microbial Fermentation of Oleaginous Microorganisms—A Review
  14. Methane Emissions from Mining in the European Union
  15. Energy procurement management in innovative energy self-sufficiency projects on post-mining sites
  16. Viruses in anaerobic digestion systems: Diversity, role and future prospects
  17. Physical and chemical conditions for the diamond formation
  18. Recent achievements in magnetic-field-assisted anaerobic digestion for bioenergy production
  19. MANAGING GREENHOUSE GAS AND DUST EMISSIONS IN THE POLISH HARD COAL MINING INDUSTRY
  20. Microbial Lipid Technology Based on Oleaginous Bacteria
  21. Microbial Lipid Technology Based on Oleaginous Yeasts
  22. Process Engineering Technologies for Optimization and Enhancement of the Microbial Fermentation for Lipid Production
  23. Production of Crude Biodiesel by Transesterification of Microbial Lipid and Its Purification Technology
  24. Sustainable Management of Iron Ore Extraction Processes using Methods of Borehole Hydro-Technology
  25. Coal mines in light of the provisions of the proposed Regulation of the European Parliament and of the Council on the reduction of methane emissions in the energy sector, amending Regulation (EU) 2019/942
  26. Airborne particulate matter measurement and prediction with machine learning techniques
  27. Green Transformation of Mining towards Energy Self-Sufficiency in a Circular Economy—A Case Study
  28. Modified method for assessing the required expenditures and estimated time of hard coal mine liquidation
  29. Comprehensive Method for Estimating the Time and Expenditures Required for Mine Liquidation Processes of Business Processes
  30. Experimental study of the new composite materials for thermochemical energy storage
  31. Assessment of the benefits of cooling vests on working conditions of mine operators in hard climatic conditions: A case study
  32. Hydrogen Storage and Combustion for Blackout Protection of Mine Water Pumping Stations
  33. The Cost Reduction Analysis of Green Hydrogen Production from Coal Mine Underground Water for Circular Economy
  34. Increasing overall agricultural productivity in the Yellow River Delta Eco-economic Zone in China
  35. An Analysis of Risks and Challenges to the Polish Power Industry in the Year 2024
  36. Mathematical model for the management of the wave processes in three-winding transformers with consideration of the main magnetic flux in mining industry
  37. Investigation of co-gasification characteristics of coal with wood biomass and rubber seals in a fixed bed gasifier
  38. Analysis of the Uncontrolled Emissions of Mine Gases at the Surface of the Closed Mine
  39. Analysis of thermal energy consumption management of energy-intensive enterprises
  40. Correction: Retrosynthesis from transforms to predictive sustainable chemistry and nanotechnology: a brief tutorial review
  41. Pilot project to increase the economic efficiency of surface water pumping stations
  42. The impact of economic factors on the management of the structure of an energy-self-sufficient mine water pumping station
  43. The management of power supply security of mine water pumping station
  44. Experimental investigation and chemometric analysis of gasification and co-gasification of olive pomace and Sida Hermaphrodita blends with sewage sludge to hydrogen-rich gas
  45. Thermochemical energy storage in CaCl2-NH3 pair evaluated by rapid multiple adsorption-desorption cycles controlled with wasted iron induction heating
  46. Multi-criteria analysis of the possibility of retrofitting the system of rainwater drainage from subsidence basins in a liquidated mine
  47. Techno-Economic Analysis of Hydrogen Production from Swine Manure Biogas via Steam Reforming in Pilot-Scale Installation
  48. Social capital as a factor of innovative development
  49. Managing the rock mass destruction under the explosion
  50. Analysis of Mercury Content Inside Mining Waste Dump – Case Study in the Upper Silesia in Poland
  51. Towards Symmetric Thioamides: Microwave-Aided Synthesis of Terephthalic Acid Derivatives
  52. Municipal wastewater reclamation: Reclaimed water for hydrogen production by electrolysis – A case study
  53. Utilization of Carbon Dioxide and Fluidized Bed Fly Ash in Post-Industrial Land Remediation
  54. Mechanism of Interaction of Backfill Mixtures with Natural Rock Fractures within the Zone of Their Intense Manifestation while Developing Steep Ore Deposits
  55. Sorption–Dilatometric Properties of Coal from a High-Methane Mine in a CO2 and CH4 Atmosphere
  56. Towards Arginase Inhibition: Hybrid SAR Protocol for Property Mapping of Chlorinated N-arylcinnamamides
  57. Experimental study on combined valorization of bituminous coal derived fluidized bed fly ash and carbon dioxide from energy sector
  58. In-situ experimental study on hydro-borehole technology application to improve the hard coal excavating techniques in coal mine
  59. A new method of coronavirus virion detection – innovative method of identification transforming
  60. Method of estimating the expenditures required to carry out the liquidation processes of a mining site
  61. Retrosynthesis from transforms to predictive sustainable chemistry and nanotechnology: a brief tutorial review
  62. Research into Impact of Leaving Waste Rocks in the Mined-Out Space on the Geomechanical State of the Rock Mass Surrounding the Longwall Face
  63. Use of coals and wastes in a co-gasification process aimed at producing hydrogen rich gas
  64. Application and Validation of Analytical Software (SQX) for Semi-Quantitative Determination of the Main Chemical Composition of Solid, Bulk and Powder Fuel Samples by Wavelength Dispersive X-ray Fluorescence Technique
  65. Gasification of lignite from Polish coal mine to hydrogen-rich gas
  66. Bio-Hydrogen Production in Packed Bed Continuous Plug Flow Reactor—CFD-Multiphase Modelling
  67. The European Education Initiative as a Mitigation Mechanism for Energy Transition
  68. The Application of Statistical Methods in the Construction of a Model for Identifying the Combustion of Waste in Heating Boilers Based on the Elemental Composition of Ashes
  69. Co-gasification of refuse-derived fuels and bituminous coal with oxygen/steam blend to hydrogen rich gas
  70. Clean Coal Technologies as an Effective Way in Global Carbon Dioxide Mitigation
  71. Dust from chlorine bypass installation as cementitious materials replacement in concrete making
  72. Mine Field Preparation and Coal Mining in Western Donbas: Energy Security of Ukraine—A Case Study
  73. Implementing Silica Nanoparticles in the Study of the Airborne Transmission of SARS-CoV-2
  74. Multi-Case Study on Environmental and Economic Benefits through Co-Burning Refuse-Derived Fuels and Sewage Sludge in Cement Industry
  75. A Generalized View of Longwall Emergency Stop Prevention (Ukraine)
  76. Improved method of fire hazard assessment taking into account the effect of the primary temperature of a coal seam on the desorption ratio of gas indicators
  77. A meta-analysis of research trends on hydrogen production via dark fermentation
  78. Numerical Simulations of Carbon Dioxide Storage in Selected Geological Structures in North-Western Poland
  79. The Hydrodynamics of Translational−Rotational Motion of Incompressible Gas Flow within the Working Space of a Vortex Heat Generator
  80. Hydrogen rich gas production through co-gasification of low rank coal, flotation concentrates and municipal refuse derived fuel
  81. The feasibility of CO2 emission reduction by adsorptive storage on Polish hard coals in the Upper Silesia Coal Basin: An experimental and modeling study of equilibrium, kinetics and thermodynamics
  82. CFD Numerical Modelling of a PV–TEG Hybrid System Cooled by Air Heat Sink Coupled with a Single-Phase Inverter
  83. Raw Biogas Desulphurization Using the Adsorption-Absorption Technique for a Pilot Production of Agricultural Biogas from Pig Slurry in Poland
  84. Toward a viable ecological method for regenerating a commercial SCR catalyst – Selectively leaching surface deposits and reconstructing a pore landscape
  85. Risk Management Scenarios for Investment Program Delays in the Polish Power Industry
  86. Gas Migration in the Aspect of Safety in the Areas of Mines Selected for Closure
  87. Transport of Aerosols in Underground Mine Workings in Terms of SARS-CoV-2 Virus Threat
  88. Functional and Material Properties in Nanocatalyst Design: A Data Handling and Sharing Problem
  89. The application of hierarchical clustering to analyzing ashes from the combustion of wood pellets mixed with waste materials
  90. New Method for Analysis of the Temporomandibular Joint Using Cone Beam Computed Tomography
  91. An analysis of self-ignition of mine waste dumps in terms of environmental protection in industrial areas in Poland
  92. Synthesis and Hybrid SAR Property Modeling of Novel Cholinesterase Inhibitors
  93. Conventional and Alternative Sources of Thermal Energy in the Production of Cement—An Impact on CO2 Emission
  94. Sewage sludge and phytomass co-pyrolysis and the gasification of its chars: A kinetics and reaction mechanism study
  95. Texture features for bulk rock material grain boundary segmentation
  96. Process Kinetics of the Carbonation of Fly Ashes: A Research Study
  97. Radium measurements in bottled natural mineral-, spring- and medicinal waters from Poland
  98. Modelling and process integration study of dimethyl ether synthesis from syngas derived from biomass gasification: Flowsheet simulation
  99. Estimation of Dense Plasma Temperature Formed under Shock Wave Cumulation
  100. CFD Modeling of the Catalyst Oil Slurry Hydrodynamics in a High Pressure and Temperature as Potential for Biomass Liquefaction
  101. Assessment of Heating and Cooling of a Spontaneous Fire Source in Coal Deposits—Effect of Coal Grain Size
  102. Unified method for the determination of chemical composition in different types of materials using Wavelength Dispersive X-ray Fluorescence Spectrometry
  103. The impact of alder litter on chemistry of Technosols developed from lignite combustion waste and natural sandy substrate: a laboratory experiment
  104. Biological Activities and ADMET-Related Properties of Novel Set of Cinnamanilides
  105. Consensus-Based Pharmacophore Mapping for New Set of N-(disubstituted-phenyl)-3-hydroxyl-naphthalene-2-carboxamides
  106. Ru and Ni—Privileged Metal Combination for Environmental Nanocatalysis
  107. Natural desorption of carbon monoxide during the crushing of coal simulating natural rock mass pressure
  108. Coal oxidation with air stream of varying oxygen content and flow rate - Fire gas emission profile
  109. Effect of porous structure of coal on propylene adsorption from gas mixtures
  110. A Study of Heat Exchange Processes within the Channels of Disk Pulse Devices
  111. A study on the static field of a point charge in three-dimensional electrodynamics
  112. Research Collaboration Patterns in Sustainable Mining—A Co-Authorship Analysis of Publications
  113. Nano-Ru Supported on Ni Nanowires for Low-Temperature Carbon Dioxide Methanation
  114. Resource Assessment and Numerical Modeling of CBM Extraction in the Upper Silesian Coal Basin, Poland
  115. The Mechanisms of Endogenous Fires Occurring in Extractive Waste Dumping Facilities
  116. Reasons for breaking of chemical bonds of gas molecules during movement of explosion products in cracks formed in rock mass
  117. Some Aspects of the Control for the Radial Distribution of Burden Material and Gas Flow in the Blast Furnace
  118. Profile of CO2, CO, and H2 Emissions from Thermal Oxidation of Polish Coals
  119. Hydrogen energy, electrolyzers and fuel cells – The future of modern energy sector
  120. Improvement of hydrogen production by metabolic engineering of Escherichia coli: Modification on both the PTS system and central carbon metabolism
  121. Research on the Processes of Injecting CO2 into Coal Seams with CH4 Recovery Using Horizontal Wells
  122. An Assessment of the Formations and Structures Suitable for Safe CO2 Geological Storage in the Upper Silesia Coal Basin in Poland in the Context of the Regulation Relating to the CCS
  123. A study of dynamic adsorption of propylene and ethylene emitted from the process of coal self-heating
  124. Determination of mercury content in hard coal and fly ash using X-ray diffraction and scanning electron microscopy coupled with chemical analysis
  125. Effect of flow rates of gases flowing through a coal bed during coal heating and cooling on concentrations of gases emitted and fire hazard assessment
  126. Taguchi Method and Response Surface Methodology in the Treatment of Highly Contaminated Tannery Wastewater Using Commercial Potassium Ferrate
  127. Simultaneous Analysis of Heavy Metal Concentration in Soil Samples
  128. SAR-mediated Similarity Assessment of the Property Profile for New, Silicon-Based AChE/BChE Inhibitors
  129. Numerical Modeling of CO2 Migration in Saline Aquifers of Selected Areas in the Upper Silesian Coal Basin in Poland
  130. The Bioconversion of Sewage Sludge to Bio-Fuel: The Environmental and Economic Benefits
  131. Electrochemical Corrosion Monitoring in Low Conductive Fluid: Pilot-Scale Study on Sulfolane Corrosion Potential
  132. Analysis of the Excess Hydrocarbon Gases Output from Refinery Plants
  133. Journal of Sustainable Mining – The continuous quality improvement strategy
  134. Thermochemical utilization of low rank coal and flotation concentrate
  135. The effect of coal grain size on the sorption of hydrocarbons from gas mixtures
  136. Novel Benzene-Based Carbamates for AChE/BChE Inhibition: Synthesis and Ligand/Structure-Oriented SAR Study
  137. Testing Device for Radon Migration Experiments, the Construction and Preliminary Results
  138. Toxicological Evaluation of Thermal Treatment of Drilling Waste from Shale Gas Exploration in Poland
  139. Selective adsorption of ethane, ethylene, propane, and propylene in flammable gas mixtures on different coal samples and implications for fire hazard assessments
  140. Utilization of Carbon Dioxide in Coal Gasification—An Experimental Study
  141. Determination of random pore model parameters for underground coal gasification simulation
  142. Multi-component gas mixture transport through porous structure of coal
  143. Sulphur contamination impact on seasonal and surface water chemistry on a reforested area of a former sulphur mine
  144. Study of the Hazard of Endogenous Fires in Coal Mines—A Chemometric Approach
  145. Changes in the Distribution of Temperature in a Coal Deposit and the Composition of Gases Emitted during Its Heating and Cooling
  146. Probability-driven 3D pharmacophore mapping of antimycobacterial potential of hybrid molecules combining phenylcarbamoyloxy and N-arylpiperazine fragments
  147. Towards Intelligent Drug Design System: Application of Artificial Dipeptide Receptor Library in QSAR-Oriented Studies
  148. Research on a Gas Index Reflecting the Sorption Process on Carbon Materials in Coal Mines
  149. Microbiota of edible Liometopum apiculatum ant larvae reveals potential functions related to their nutritional value
  150. POSSIBILITIES AND LIMITATIONS RELATED TO THE APPLICATION OF NIR SPECTROSCOPY IN THE MONITORING OF SOIL CONTAMINATION
  151. Mathematical and Geomechanical Model in Physical and Chemical Processes of Underground Coal Gasification
  152. Porous Structure Properties of Andropogon gerardi Derived Carbon Materials
  153. Utilization of Energy Crops and Sewage Sludge in the Process of Co-Gasification for Sustainable Hydrogen Production
  154. Analysis of Biomass Blend Co-Firing for Post Combustion CO2 Capture
  155. Assessment of Emission of Selected Gaseous Components from Coal Processing Waste Storage Site
  156. The interaction between coal and multi-component gas mixtures in the process of coal heating at various temperatures: An experimental study
  157. Application of chemometrics for identification of chemical constituents of essential oils of importance for biological activities of selected aromatic lamiaceae species
  158. Chemometric Exploration of the Data Concerning Gases Emitted from Burning Mine Waste Dump
  159. Lipophilicity assessment of new spirohydantoin derivatives
  160. Effect of Coal Grain Size on Sorption Capacity with Respect to Propylene and Acetylene
  161. THERMAL UTILIZATION OF SEWAGE SLUDGE IN THE PROCESS OF STEAM CO-GASIFICATION WITH COAL TO HYDROGEN-RICH GAS
  162. Analysis of Porous Structure Parameters of Biomass Chars Versus Bituminous Coal and Lignite Carbonized at High Pressure and Temperature—A Chemometric Study
  163. In silico estimation of basic activity-relevant parameters for a set of drug absorption promoters
  164. Chemometric Modelling of Experimental Data on Co-gasification of Bituminous Coal and Biomass to Hydrogen-Rich Gas
  165. Environmental impact and damage categories caused by air pollution emissions from mining and quarrying sectors of European countries
  166. RP-HPTLC Data in Correlation Studies of a 5-Arylidene-2,4-Thiazolidinedione Derivatives
  167. Modelling Test of Autothermal Gasification Process Using CFD
  168. Co-firing coal and biomass blends and their influence on the post-combustion CO2 capture installation
  169. Sorption characteristic of coal as regards of gas mixtures emitted in the process of the self-heating of coal
  170. Reactivity of chars gasified in a fixed bed reactor with the potential utilization of excess process heat
  171. Biowaste utilization in the process of co-gasification with bituminous coal and lignite
  172. Environmental life cycle assessment of methanol and electricity co-production system based on coal gasification technology
  173. Economic efficiency analysis of substitute natural gas (SNG) production in steam gasification of coal with the utilization of HTR excess heat
  174. Modeling of experimental data on trace elements and organic compounds content in industrial waste dumps
  175. Assessing the risk of corrosion in amine-based CO2 capture process
  176. Quantitative Modelling of Trace Elements in Hard Coal
  177. Eco-efficiency of underground coal gasification (UCG) for electricity production
  178. Kinetics of Sewage Sludge Pyrolysis and Air Gasification of Its Chars
  179. Co-gasification of coal/sewage sludge blends to hydrogen-rich gas with the application of simulated high temperature reactor excess heat
  180. Chemical composition of essential oils and its activity
  181. Determination of rare earth elements in combustion ashes from selected Polish coal mines by wavelength dispersive X-ray fluorescence spectrometry
  182. Carbon dioxide sorption on EDTA modified halloysite
  183. Thermodynamic Feasibility of Pure Hydrogen Production and Storage in Iron and Germanium Based Double Chemical Looping Process
  184. Multidimensional (3D/4D-QSAR) probability-guided pharmacophore mapping: investigation of activity profile for a series of drug absorption promoters
  185. Thermodynamic Feasibility of Hydrogen-Rich Gas Production Supported by Iron Based Chemical Looping Process
  186. Experimental Study on Sorption and Desorption of Propylene on Polish Hard Coals
  187. Study of the polycyclic aromatic hydrocarbons content in gas released from burning mine waste dump
  188. Experimental study on application of high temperature reactor excess heat in the process of coal and biomass co-gasification to hydrogen-rich gas
  189. Analysis and assessment of a critical event during an underground coal gasification experiment
  190. Chemometric Study of the Antiproliferative Activity of Some New Hydantoin Derivatives: Assessment of Activity and Chromatographic Lipophilicity Data
  191. Experimental Study of Hydrogasification of Lignite and Subbituminous Coal Chars
  192. Greetings from the Editor-in-Chief
  193. Science-Economy-Technology Concordance Matrix for Development and Implementation of Regional Smart Specializations in the Silesian Voivodeship, Poland
  194. Influence of fuel blend ash components on steam co-gasification of coal and biomass – Chemometric study
  195. Chemometric Study of Retention Indices of Some Thiazolidinediones Derivatives in Two Low Polarity Stationary Phases
  196. Effect of fuel blend composition on the efficiency of hydrogen-rich gas production in co-gasification of coal and biomass
  197. Analysis of the Impact of Physicochemical Parameters Characterizing Coal Mine Waste on the Initialization of Self-Ignition Process with Application of Cluster Analysis
  198. Calibration of the Method for Measuring 14C in Combustion Gases
  199. Chemometric Study of Trace Elements in Hard Coals of the Upper Silesian Coal Basin, Poland
  200. Comparison of the Chemical Properties of Forest Soil from the Silesian Beskid, Poland
  201. Steam co-gasification of coal and biomass – Synergy in reactivity of fuel blends chars
  202. THE INFLUENCE OF FEEDSTOCK TYPE AND OPERATING PARAMETERS ON TAR FORMATION IN THE PROCESS OF GASIFICATION AND CO-GASIFICATION
  203. Partial Least Square and Hierarchical Clustering in ADMET Modeling: Prediction of Blood – Brain Barrier Permeation of α-Adrenergic and Imidazoline Receptor Ligands
  204. Application of gas chromatography in the study of steam gasification and co-gasification of hard coal and biomass chars
  205. Analysis of the organic contaminants in the condensate produced in the in situ underground coal gasification process
  206. Analysis and Assessment of Parameters Shaping Methane Hazard in Longwall Areas
  207. APPLICATION OF CLASSIFICATION AND SYSTEMATIZATION METHODS IN ASSESSMENT OF THE LEVEL OF ASSOCIATED HAZARDS IN THE EXPLOITATION AREAS / ZASTOSOWANIE METOD KLASYFIKACJI I SYSTEMATYZACJI ZBIORÓW DO OCENY POZIOMU ZAGROŻEŃ SKOJARZONYCH W REJONACH EKSPLOATAC...
  208. Equilibrium Model of Steam Gasification of Coal
  209. Modelling of Gas Flow in the Underground Coal Gasification Process and its Interactions with the Rock Environment
  210. Selected Environmental Aspects of Gasification and Co-Gasification of Various Types of Waste
  211. The Chemometric Study and Quantitative Structure Retention Relationship Modeling of Liquid Chromatography Separation of Ziprasidone Components
  212. Chemometric Study of the Ex Situ Underground Coal Gasification Wastewater Experimental Data
  213. Semi-technical underground coal gasification (UCG) using the shaft method in Experimental Mine “Barbara”
  214. Multivariate evaluation of the correlation between retention data and molecular descriptors of antiepileptic hydantoin analogs
  215. Experimental simulation of hard coal underground gasification for hydrogen production
  216. Steam co-gasification of coal and biomass derived chars with synergy effect as an innovative way of hydrogen-rich gas production
  217. Study of retention of 31 polyoxygenated steroids by normal- and reversed-phase thin-layer chromatography
  218. A comparative experimental study of biomass, lignite and hard coal steam gasification
  219. Gasification of lignite and hard coal with air and oxygen enriched air in a pilot scale ex situ reactor for underground gasification
  220. Steam gasification of energy crops of high cultivation potential in Poland to hydrogen-rich gas
  221. Coal char reactivity as a fuel selection criterion for coal-based hydrogen-rich gas production in the process of steam gasification
  222. Dynamic experimental simulation of hydrogen oriented underground gasification of lignite
  223. Exchangeable and Bioavailable Aluminium in the Mountain Forest Soil of Barania Góra Range (Silesian Beskids, Poland)
  224. Chemometric characterization ofs-triazine derivatives in relation to structural parameters and biological activity
  225. Steam gasification of selected energy crops in a fixed bed reactor
  226. Innovation in Polish industry: The cluster concept applied to clean coal technologies in Silesia
  227. Coal-Based Hydrogen Production with CO2 Capture in the Aspect of Clean Coal Technologies
  228. PLS-EP algorithm to predict aluminum content in soils of Beskid Mountains region
  229. Laboratory scale tests of coal-based hydrogen production with CO2 capture in the aspect of clean coal technologies
  230. Gas chromatography as a tool for determining coal chars reactivity in the process of steam gasification
  231. Chemometric exploration of sea water chemical component data sets with missing elements
  232. Chemometric characterization of (chromatographic) lipophilicity parameters of newly synthesized s-triazine derivatives
  233. Rare and vulnerable species in the mollusc communities in the mining subsidence reservoirs of an industrial area (The Katowicka Upland, Upper Silesia, Southern Poland)
  234. Rare, threatened and alien species in the gastropod communities in the clay pit ponds in relation to the environmental factors (The Ciechanowska Upland, Central Poland)
  235. Robust Multivariate Calibration in Environmental Studies
  236. Exploratory analysis of data sets with missing elements and outliers
  237. Hierarchical clustering extended with visual complements of environmental data set