Read "10.1016/j.fuel.2012.08.030" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.
اقرأ أكثرPreliminary screening of factors (independent variables) that affect the biosolubilization process within culture of the K59 isolate was performed according to a seven-variable Plackett-Burman design Table 1.Factors included in the experiment comprised: concentration of main substrate (lignite), pretreatment of substrate with 8 N …
اقرأ أكثروتبدأ «سلسلة الفحم» تدرجها من مواد نباتية ناقصة التفحم تسمى «الخث»، ثم تتدرج إلى الفحم البني الذي يسمى «لجنيت»، ثم إلى الفحم الحجري الحقيقي (فحم الدبال)؛ وأخيرا يتكون فحم الأنثراسيت.
اقرأ أكثرالترجمات في سياق الفحم البني في العربية-الإنجليزية من | Reverso Context: الناس لا يريدون أي استثمار آخر في الفحم البني.
اقرأ أكثرA phosphate solubilizing bacterium ZB was isolated from the rhizosphere soil of Araucaria, which falls into the species Pantoea agglomerans. Optimization for phosphate solubilization by strain ZB was performed. At optimum culture conditions, the isolate showed great ability of solubilizing different insoluble inorganic phosphate sources viz. …
اقرأ أكثرThe intensity of coal biosolubilization was found maximum for coal sample B-1 (59%) and lowest for sample B-26 (17.2%) with 5% (w/v) pulp density at 28 ± 2 °C. Humification index value (A 4 /A 6 ) for biosolubilized products of coal sample B-1 was found 6.18 which was much higher than the A 4 /A 6 value (4.27) of commercially available ...
اقرأ أكثرEurope PMC is an archive of life sciences journal literature.
اقرأ أكثر5- فوائد واستخدامات أخرى لحبوب الفحم. يشيع استخدام حبوب الفحم في الحالات التالية أيضًا: التخلص من الغازات: حيث يتم استخدام حبوب الفحم للتخلص من الغازات المحتبسة في الجسم، والتي تسبب نفخة ...
اقرأ أكثرBiological nitrogen fixation (BNF) refers to a bacterially mediated process by which atmospheric N2 is reduced, either symbiotically or non-symbiotically, into ammonia …
اقرأ أكثرتعتبر الفحم البني مصدراً للطاقة الهامة حيث يتم استخدامه كوقود لتوليد الكهرباء والحرارة. وتشمل الفوائد الرئيسية لاستخدام الفحم البني كمصدر للوقود: 1- توفره بسهولة في العديد من البلدان ويتم ...
اقرأ أكثروكيف يتشكل؟. وهل هو مصدر طاقة متجدد؟. في عام 1698م عندما تم اختراع المحرك البخاري لأول مرةٍ، كان الفحم هو الذي يغذيه؛ إذ كان الفحم مصدراً رئيساً للوقود للبشرية منذ مئات وآلاف السنين، هذا الوقود ...
اقرأ أكثرThe biosolubilization of coal leads to 50% decrease in calorific value; mainly due to decrease in carbon and oxygen content. However, the product of coal solubilization could find an alternative of its application in energy production. Co-fermentation is applied for improvement of methane fermentation by dilution of the main substrate with ...
اقرأ أكثرThe most efficient biosolubilization process was achieved after substrate processing with 5 N HNO3, in the presence of 10 g/L sucrose and 50 g/L lignite, where the resultant concentration of ...
اقرأ أكثرFT-IR analysis of coal and biosolubilization products. Before and after chemical treatment, the lignite samples (tablets) as well as tablet residue after the biosolubilization process were analyzed by FT-IR spectroscopy using the Nicolet 6700 FT-IR spectrometer (Thermo Scientific company) and a light wavelength of between 4000 …
اقرأ أكثرالمقاولين المدني للحجر محطم وحدة إنشاء في الهند; أدوات البناء الصلب الدبابات; biosolubilization الفحم البني البولندية; قیمت طلا سنگ شکن فکی دهان و دندان; محطات غسل الذهب في بلجيكا. اقرأ أكثر
اقرأ أكثرالمؤتمر الدولي حول المناخ في باريس، هل سينهي عصر الفحم؟ما أسباب عدم ايقاف ألمانيا وبولندا إنتاج الفحم البُني؟
اقرأ أكثر1.1. The Need for Bio- and Bio-Organic Fertilizers. Biofertilizers are generally defined as an organism-based composition of micronutrients and carbon substrates such as bacteria, cyanobacteria, fungi, and algae, that can nourish and enhance soil quality [].They also have the advantages of being cheap alternatives to synthetic fertilizers, improving …
اقرأ أكثرBesides nitrogen (N) and phosphorus (P), potassium (K) is the third macronutrient of plant, which performs a multitude of various biological activities to maintain or even improve crop growth, grain quality, protein synthesis, enzyme activation and photosynthesis (Read et al. 2006).It is needed for the making of starch, controls root …
اقرأ أكثرأزمة الطاقة تجبر بولندا على اللجوء إلى الفحم البني تجدر الإشارة إلى أن وارسو تستمد نحو 70% من احتياجاتها من الكهرباء باستعمال الفحم في بولندا، وتريد خفض هذه النسبة إلى 35% بحلول نهاية العقد.
اقرأ أكثرThe biosolubilisation of coal is a promising coal processing technology for converting solid coal to liquid oil at ambient conditions. In this study, the biosolubilisation of Chinese lignite was studied using a fungus isolated from decaying wood. The intensity of biosolubilisation was determined by estimating the liquid formation time and by ...
اقرأ أكثر1. Introduction. Bacterial isolates from different habitats have been reported to produce many valuable metabolites for human welfare. Numerous diseases have plagued humans from the beginning of time, and bacteria and fungi bring on the majority of these illnesses and are drug-resistant.
اقرأ أكثرIn this study, the multi-faceted and complex coal biosolubilization process by Bacillus sp. RKB 7 isolate from the Kazakhstan coal-mining soil is reported, and the derived products are characterized. Lignite solubilization tests performed for surface and suspension cultures testify to the formation of numerous soluble lignite-derived substances.
اقرأ أكثروعلّقت بولندا حظرًا على استخدام الفحم البني (الليغنيت) حتى أبريل/نيسان من العام المقبل (2023)، للتخفيف من حدة أزمة الإمدادات التي بُلي بها أكبر مُنتج للفحم في الاتحاد الأوروبي، بحسب رويترز.
اقرأ أكثرAs reported in previous studies, the liberation of organics from coal is strongly affected by the coal loading ratio [35].In this experiment, raw lignite and pretreated lignite of varying coal loading ratios (from 0.5% to 3% [w/v]) were solubilized by P. ortum MJ51 over six days (Fig. 3 a). With the increasing coal loading ratio, the A 450 value of the bio …
اقرأ أكثرIn recent years, the biosolubilization of rock phosphates by phosphate-solubilizing microorganisms has become a major topic of research studies. However, the microorganisms used in previous studies were mostly single and known species, and studies seldom focused on mixed communities of microorganisms or microbial consortia …
اقرأ أكثرThe removal of heavy metals from industrial sludge through biosolubilization using sulfur-oxidizing bacteria has been shown to be a promising technology, but the process with surplus concentration of sulfur causes re-acidification of the treated residues and creates environmental issues. Thus, the study for investigating the …
اقرأ أكثرBiological nitrogen fixation (BNF) refers to a bacterially mediated process by which atmospheric N2 is reduced, either symbiotically or non-symbiotically, into ammonia (NH3) in the presence of the enzyme complex nitrogenase. In N2-fixing grain legumes, BNF is often hampered under low phosphorus (P) availability. The P status of legumes, …
اقرأ أكثرالترجمات في سياق الفحم البني في العربية-الفرنسية من | Reverso Context: في كانون الأول/ديسمبر 2015 كانت طاقة الرياح للمرة الأولى مصدر الطاقة الأهم لتوليد الكهرباء في ألمانيا، متقدمة على الفحم البني والفحم الحجري والطاقة النووية.
اقرأ أكثرRock phosphate (RP) is the main natural source of phosphorous and is used as raw material for the manufacturing of conventional phosphate fertilizers (Xiao et …
اقرأ أكثررغم أزمة الإمدادات الأوروبية التي أعادت الفحم إلى قائمة مصادر توليد الكهرباء، تتواصل خطط الطاقة النووية في بولندا للتخلص من الوقود الأحفوري، إذ تعتزم البلاد بدء بناء أولى محطاتها في وقت ...
اقرأ أكثرThe column was maintained at 40 °C and used in gradient elution mode with a flow rate of 0.35 mL min −1 and a 20 µL injection volume. The individual primary stock solutions of the selected organic acids (1.0 mg mL −1) were prepared in a water–methanol mixture (80:20, −1) and stored at 4.0 °C for one month.
اقرأ أكثرA microbial consortium was directly taken from activated sludge and was used to solubilize rock phosphates (RPs) in a lab-scale bioreactor in this study. Results showed that the microbial consortium could efficiently release soluble phosphorus (P) from the RPs, and during 30-day incubation, it grew well in the bioreactor and reduced the pH …
اقرأ أكثرbiosolubilization technique as a promising alternative, as it is a low-cost process, with high removal ef ciency, capable of regeneration, high selectivity in relation …
اقرأ أكثرThe most effective fungi at biosolubilization were reported to solubilize lignite in 2–4 weeks [18], [33], [34], but the solubilization percentages were no higher than 32%, …
اقرأ أكثرThe effects of four surfactants which were SDS, LAS, Tween 80, and Triton X-100 on coal biosolubilization were studied, it is obvious for Pseudomonas fluorescens …
اقرأ أكثرThe most effective fungi at biosolubilization were reported to solubilize lignite in 2–4 weeks [18], [33], [34], but the solubilization percentages were no higher than 32%, and most were lower than 25%.It should be noted that the lignite samples used in these previous studies were mostly pretreated with chemical reagents, including nitric acid and …
اقرأ أكثركيف يُمكن تحويل محطات الفحم إلى الطاقة النظيفة؟ #بولندا #الفحم #الطاقة_المتجددة #الطاقة تُشكّل توقعات إغلاق محطة بيلشاتو العاملة بالفحم تحديات كبيرة لتوفير الكهرباء في
اقرأ أكثرThis is the first report presenting brown coal biosolubilization by crude oil hydrocarbon-degrading bacteria. Biosolubilization of crude brown coal (7 days) by B. mycoides NS1020 and G ...
اقرأ أكثر