نتایج جستجو برای: nssc pulping effluent
تعداد نتایج: 12130 فیلتر نتایج به سال:
این تحقیق جهت بررسی امکان استفاده خمیر حاصل از گجونه های سوزنی برگ کاج سیاه (pinus nigra) و زربین (cupressus sempervirens) به جای خمیر الیاف بلند وارداتی انجام گرفت . جهت دستیابی به هدف مورد نظر ابتدا گونه کاج سیاه در دو رویشگاه ساری و عطر آچال کلاردشت و گونه زربین در سه رویشگاه تلوکلاساری، قپان گرگان و فکتج نور قطع گردیدند. ابعاد الیاف شامل طول الیاف ، قطر الیاف ، قطر حفره سلولی، ضخامت دیواره ...
Abstract The FY-3 satellites are China's second generation polar-orbiting meteorological satellites. high-energy particle detector (HEPD) suite of measures protons and electrons in different energy ranges. As the fifth satellite series, FY-3E continues to observe electrons. Here, we use Monte Carlo simulations based on GEANT4 code model electron calibrate electron/proton campaigns at Space Elec...
A study was performed to evaluate capability of aquatic macrophyte Eichhornia crassipes plants to combat oxidative stress caused by tannery effluent treatment. For this purpose, tannery effluent was collected from “Up flow Anaerobic Sludge Blanket” (UASB) Jajmau, Kanpur. Plants of Eichhornia crassipes were exposed to various concentrations of tannery effluent (0.0, 25, 50, 75 and 100%) for 2 an...
BACKGROUND Bamboo is a highly abundant source of biomass which is underutilized despite having a chemical composition and fiber structure similar as wood. The main challenge for the industrial processing of bamboo is the high level of silica, which forms water-insoluble precipitates negetively affecting the process systems. A cost-competitive and eco-friendly scheme for the production of high-p...
In all major industries increasing importance is placed on the use of instruments that analyse process streams effectively and efficiently for long periods of practically unattended operation. This helps the process operator to keep an inventory of the materials leaving the process, and check the operating efficiency. In the field of pollution, it helps to confirm that the process is operated w...
The toxicity of Cu to Daphnia magna was investigated in a series of 48-h immobilization assays in effluents from four wastewater treatment works. The assay results were compared with median effective concentration (EC50) forecasts produced by the HydroQual biotic ligand model (BLM), the refined D. magna BLM, and a modified BLM that was constructed by integrating the refined D. magna biotic liga...
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