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Coal is the largest and most widespread fuel resource providing 23 per cent of the worlda s energy. However widespread concern about environmental emissions from coal has started to limit the growth in use of this important energy source. While metallurgical coal and thermal coal have similar geologic origins, their commercial markets and industrial uses are vastly different. Thermal coal or steaming coal is burned for steam to run turbines to generate electricity either to public electricity grids or directly by industry consuming electrical power (such as chemical industries, paper manufacturers, cement industry and brickworks). During power generation the coal is ground to a powder and fired into a boiler to produce steam to drive turbines to produce electricity.
â?? 1. Although a major part of plant biomass is underground, we know little about the contribution of different species to root biomass in multispecies communities. We summarize studies on root distributions and plant responses to species-specific soil biota and formulate three hypotheses to explain how root responses may drive species coexistence and ecosystem productivity. 2. Recent studies suggest that root growth of some species may be stimulated in species mixtures compared with monocultures without hampering the growth of other species, leading to belowground overyielding. Further studies suggest that these responses are the result of reduced impairment of growth by species-specific plant pathogens that accumulate in monocultures. 3. First, we hypothesize that due to pathogen-constrained growth, monocultures are â??under rootedâ??, i.e. they do not have enough roots for optimal acquisition of nutrients. Although elevated root production in mixtures represents a cost to the plant, improved nutrition will eventually result in improved plant performance. 4. Second, due to the plant species specificity of the soil biotic communities, we suggest that plant species in mixtures develop an intransitive competitive network in which none of the species is competitively superior to all other species. Competitive intransitivity is proposed as a mechanism of species coexistence. Product name : Billa Fort 8-8-8 Chemical Properties : 1-Nitrogen (N):8%w/v 2-Phosphorus (P):8%w/v 3-Potassuim (K2o):8%w/v 4- Liquid Contents (Auxins-Organic acids -Chitosan - Cytokine - Organic . phosphorus) Physical Properties Form : Liquid Solubility Fully Water Soluble : Fully Water Soluble PH (1g /100ml ): 7-8 TDS 10 g / L: 700 ppm Color: Â Black Package: plastic bottle â?? Drum Size: 1 Liter, 20 Liter, 200 Liter, 1000 Liter Place of Origin: Egypt
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EQUIPMENT SUMMARY Price : $5,500.00Type : Equipment For SaleDate : May 5, 2022Make : SuperVaultModel : 1000 gallonYear :Condition : Used (good)Warranty : NoLocation : Oklahoma, USA DESCRIPTION 1000 Gallon Double Wall Fuel Tank w/ Cement Liner between walls. Ready to deploy to the job site
EQUIPMENT SUMMARY Price : $4,300.00Type : Equipment For SaleDate : April 18, 2022Make : Grant PridecoModel :Year :Condition : NewWarranty : NoLocation : USA DESCRIPTION 51 joints of Grant Prideco 6 1/2â?³ Spiral Drill Collars NC-46 w/ MTR Price is per collar We also have at the same price per collar Grant Prideco 6 3/4³ Spiral Drill Collars, NC -50 with MTR 3 joints
EQUIPMENT SUMMARY Price : $400,000.00Type : Equipment For SaleDate : April 26, 2022Make : CaterpillarModel : C280-8Year : 2011Condition : Un-Used SurplusWarranty : NoLocation : Brazil DESCRIPTION Three (3) CATERPILLAR C280-8 OFFSHORE GENSETS. Un-Used Surplus â??Newâ?? in original packaging and ready to be shipped anywhere in the world. . Serial No.: PKA00151 . Serial No.: PKA00152 . Serial No.: PKA00153 . Model: C280-8 / I-8, 4-Stroke-Cycle-Diesel . Rated Speed: 900 RPM . Generator: KATO ENGINEERING INC. . Model: AA28661000 . Potency: 3.142,9 Kwa / 2.200 Kw . 60Hz . 346/600 Volts . 3.024 Ah . 3 Phase . Never Used All certificates (BV, ABS) available. Price is per unit, FOB Brazil
EQUIPMENT SUMMARY Price : $950,000.00Type : Equipment For SaleDate : March 20, 2022Make : JienengModel : 1500Year :Condition : Used (good)Warranty : NoLocation : Oklahoma, USA DESCRIPTION Very Nice 1500HP Rig with Skidding System
