18 eredmény a kulcsszóra: 'hard coal'
The history of lignite exploration in Hungary differs in many aspects from that of hard and soft coal exploration. The economic significance of lignite deposits came into
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A wettability isotherm of coal sur- face by surfactants, optimal regime of coal dispersion, adsorp- tion isotherm, viscosity, fluidity and heat of combustion of 30%
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Characteristics of variability of trace elements in coal ash from the 610 and 620 coal seams (the Poruba beds) of the Upper Silesian Coal Basin.. H anak , B ronislawa and
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By adding a new sky corridor design, the landscape area is connected and at the same time it is a transition space between two landscapes with different functions.. Through the
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mounted unit of 1000 the composition of the staff can be found, but the payment of was missing.46 The possible cause of the lack of the latter was that at the time of the
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Comme nous avons signalé dans d ’autres textes, le malaise vient des librairies et des critiques qui tiennent á des repéres traditionnels : chez les libraires
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The below course of action may further assist to achieve the goal of using 100 MT of coal for coal gasification by 2030. a) Focused group discussions may be held with the
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Weighted version is #W[1]-hard [Bläser and Curticapean 2012] Unweighted version is #W[1]-hard [Curticapean 2013] — complicated proof. Unweighted version
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The coal-germanium ore deposit in Yunnan province lies in the Cenozoic Lincang basin, and the coal-germanium ore deposit in Inner Mongolia Autonomous Region is in the
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The main characteristic of top coal caving is the extraction of coal in two stages: the first stage the extraction is performed at the face support height and is a
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A com- parison between the experiments and the simulation shows that the constitutive model can better be defined consider- ing the coal-rock crushing process by a conical pick..
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The investigation of the coal measure of the Eocene Kosd Formation in northern Pannonian Basin has yielded important new results re- garding its depositional environment, organic
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Hard families coming from the packing problem + two new hard families specific for subgraph isomorphism.
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Many NP-hard (and some PSPACE-hard, or #P- hard) graph problems become polynomial or linear time solvable when restricted to graphs of bounded TW (or pathwidth or
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- high particle content in the raw gas, partly in form of partially melted 'sticky' ash particles. Generally it can be stated that synthesis gas production on coal
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A sok méréstől, számolástól, nézéstől azonban egyszer csak úgy gondolta, mintha valaha látta volna már.. Meglehet, látta is, akkor meg majd csak
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Főleg a hard-boiled változatában mindenekelőtt politikai-társadalmi-gazdasági problémákkal szembesít – ez ugyanúgy igaz a klasszikus amerikai hard-boiledra, mint a
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