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2. Hindustan Petroleum - Wikipedia

   en.wikipedia.org/wiki/Hindustan_Petroleum

   Hindustan Petroleum Corporation Limited (HPCL) is an Indian public sector undertaking in petroleum and natural gas industry, headquartered in Mumbai. It is a subsidiary of the Oil and Natural Gas Corporation (ONGC), which is owned by the Government of India and under the administration of Ministry of Petroleum and Natural Gas .

3. High-performance liquid chromatography - Wikipedia

   en.wikipedia.org/wiki/High-performance_liquid...

   This form of chromatography is widely used in the following applications: water purification, preconcentration of trace components, ligand-exchange chromatography, ion-exchange chromatography of proteins, high-pH anion-exchange chromatography of carbohydrates and oligosaccharides, and others.

4. HPCL-Mittal Energy Limited - Wikipedia

   en.wikipedia.org/wiki/HPCL-Mittal_Energy_Limited

   HPCL-Mittal Energy Limited (HMEL) is an Indian integrated refining and petrochemical company, with operations spanning crude oil refining and petrochemical manufacturing. It is a public-private partnership between fortune 500 company, Hindustan Petroleum Corporation Limited (HPCL) and Mittal Energy Investments Pte Limited (MEIL), a part of the Lakshmi N. Mittal Group.

5. Oil and Natural Gas Corporation - Wikipedia

   en.wikipedia.org/wiki/Oil_and_Natural_Gas...

   It currently has 38 projects across 17 countries. Its oil and gas production reached 8.87 MMT of O+oEG in 2010, up from 0.252 MMT of O+OEG in 2002/03. ONGC holds 100% stake in ONGC Videsh Limited. [5] Hindustan Petroleum Corporation Limited (HPCL) is an Indian state-owned oil and natural gas company with its headquarters at Mumbai, Maharashtra ...

6. Testing and inspection of diving cylinders - Wikipedia

   en.wikipedia.org/wiki/Testing_and_inspection_of...

   [5] [6] An external visual pre-fill inspection should be done before filling a cylinder. In the United States, an annual visual inspection is not required by the USA DOT, though they do require a hydrostatic test every five years. The visual inspection requirement is a diving industry standard based on observations made during a review by the ...

7. Pachpadra Refinery - Wikipedia

   en.wikipedia.org/wiki/Pachpadra_Refinery

   Pachpadra Refinery [2] [3] is an upcoming public sector refinery and petrochemical complex in the Pachpadra (now Balotra district) of Rajasthan, India. [4] It is owned by HPCL Rajasthan Refinery Limited (HRRL), a joint venture between Hindustan Petroleum Corporation Limited and the Government of Rajasthan.