نتایج جستجو برای: heavy industry

تعداد نتایج: 314467  

2010
Mark Fagan

Heavy haul freight railroads carrying bulk materials such as coal or iron ore are characterized by several unique challenges relating to investment in construction and maintenance as well as achievement of optimal operating efficiency. This paper examines heavy haul railroads around the world in a comparative context that highlights differences relative to operating parameters, degree of integr...

2014
S. K. Al-Musharafi I. Y. Mahmoud S. N. Al-Bahry

Oman is located in the tropic of Cancer with extremely hot temperatures ranging between 15 ̊C -25 ̊C in winter and 30 48 ̊C in the summer with low rainfall. Most of the water source is desalinated seawater. Recycling of sewage effluent is a common practice used for farming, public parks and industry. The dried sludge product is used as fertilizer. The highly concentrated sludge with heavy metals i...

2014
S Sahoo S K Pattanayak S Chand Sunanda Sahoo

Present study assessed the effect of heavy metals on soil enzyme activities like amylase, invertase, dehydrogenase and urease of open shrub lands present at 1 km, 1.5 km, 2 km and 2.5 km distance away from Bhushan sponge iron industry, in Rengali block of Sambalpur district, Odisha. The heavy metals studied were Cd, Ni, and Cr, whose concentrations in the above sites were much more than the saf...

Journal: :Aerosol and Air Quality Research 2023

This study aims to estimate the amount of air pollutants emitted from heavy industrial facilities in North Korea. The industry sector Korea was classified according South Korean definition, and pollutant emissions that it generated were estimated for 2017. Emissions carbon monoxide (CO), nitrogen oxides (NOx), sulfur (SOx) by 22, 73, 31%, respectively, those Korea’ emissions. Moreover, CO, NOx,...

Journal: :Jurnal Penelitian Pendidikan IPA (JPPIPA) 2023

The textile industry is the main source of environmental pollution in terms quality and quantity. It consumes large amounts water (200 m3/ tonne products), around 90% quantity wastewater. Improper disposal wastewater will cause serious problems due to presence heavy metals waste which adversely affect aquatic organisms. To analyze, concentration (batik) was collected from 15 small, medium, larg...

Journal: :Food Science and Technology 2022

Due to the high capacity of food factories, a lot waste is generated. presence nutrients in them can increase pollution sewerage network and cause environmental problems. To animal feed, grain be used produce fertilizer, compost, fuel, soil cover, etc. The natural pigment lycopene, thickeners, proteins, etc., produced from seeds skin tomato paste factory waste. In present paper, soybean oil res...

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