Results 31 to 40 of about 1,198,912 (332)

The Railway and Petroleum Policies of the Great Powers in the Middle East

open access: yesAvrasya İncelemeleri Dergisi, 2022
The Middle East is the focus of attention for many states and nations due to its geographical location and has hosted numerous civilizations throughout history.
İsmail Görgen
doaj   +1 more source

Microbial enzymes for the recycling of recalcitrant petroleum‐based plastics: how far are we?

open access: yesMicrobial Biotechnology, 2017
Petroleum‐based plastics have replaced many natural materials in their former applications. With their excellent properties, they have found widespread uses in almost every area of human life.
Ren Wei, W. Zimmermann
semanticscholar   +1 more source

A critical review of development and demulsification mechanisms of crude oil emulsion in the petroleum industry

open access: yesJournal of Petroleum Exploration and Production Technology, 2020
The need for efficient demulsification process to treat emulsions in the petroleum industry is well acknowledged. For decades, numerous researches have been conducted to examine mechanisms of emulsification and demulsification.
Sofiah Athirah Raya   +3 more
semanticscholar   +1 more source

CORROSIÓN EN LA SUPERFICIE INTERIOR DEL OLEODUCTO MAGISTRAL

open access: yesAvances en Ciencias e Ingeniería, 2020
In this work, the maximum potential difference on the surface of the pipeline while in contact with various phases of the oil-water emulsion was established.
Alexander Cueli   +2 more
doaj  

Source Rocks And Sorcerers: Decoding The Origin Of The Niger Delta Petroleum

open access: yesThe Proceedings of the Nigerian Academy of Science, 2015
Against the present-day credo of the organic origin of petroleum, it may be difficult to believe that in the early days of the oil industry, the abiogenic (inorganic) origin of petroleum held sway.
Chidi Adonis Ibe FAS
doaj   +1 more source

Price Volatility in the Commodity Market and the Bank’s Risk

open access: yesProblemy Zarządzania, 2017
Price volatility in raw material markets significantly affects the efficiency of real economy. Raw materials are not only used in the industry but are also very popular in periods of economic downturn.
Bogdan Włodarczyk
doaj   +1 more source

Development of an NDIR CO2 Sensor-Based System for Assessing Soil Toxicity Using Substrate-Induced Respiration

open access: yesSensors, 2015
The eco-toxicological indicators used to evaluate soil quality complement the physico-chemical criteria employed in contaminated site remediation, but their cost, time, sophisticated analytical methods and in-situ inapplicability pose a major challenge ...
Jasmeen Kaur   +3 more
doaj   +1 more source

Surfactant-Polymer Interactions in a Combined Enhanced Oil Recovery Flooding

open access: yesEnergies, 2020
The traditional Enhanced Oil Recovery (EOR) processes allow improving the performance of mature oilfields after waterflooding projects. Chemical EOR processes modify different physical properties of the fluids and/or the rock in order to mobilize the oil
Pablo Druetta, Francesco Picchioni
doaj   +1 more source

Imeglimin attenuates liver fibrosis by inhibiting vesicular ATP release from hepatic stellate cells

open access: yesFEBS Letters, EarlyView.
Imeglimin, at clinically relevant concentrations, inhibits vesicular ATP accumulation and release from hepatic stellate cells, thereby attenuating purinergic signaling and reducing fibrogenic activation. This mechanism reveals a newly identified antifibrotic action of imeglimin beyond glycemic control.
Seiji Nomura   +8 more
wiley   +1 more source

Investigation of Combustion Properties and Soot Deposits of Various US Crude Oils

open access: yesEnergies, 2019
The oil boom in the North Dakota oilfields has resulted in improved energy security for the US. Recent estimates of oil production rates indicate that even completion of the Keystone XL pipeline will only fractionally reduce the need to ship this oil by ...
Gurjap Singh   +2 more
doaj   +1 more source

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