Results 41 to 50 of about 5,529,179 (398)

Petroleum in Production and Review [PDF]

open access: yesNature, 1950
Conversion of Petroleum Production of Motor Fuels by Thermal and Catalytic Processes. By Dr. A. N. Sachanen. Second edition, revised and enlarged. Pp. xii + 602. (New York: Reinhold Publishing Corporation; London: Chapman and Hall, Ltd., 1948.) 66s. net. Petroleum Production By Park J. Jones. Vol. 5: Oil Production by Gas and Flooding. Pp.
openaire   +2 more sources

Research progress on catalytic pyrolysis and reuse of waste plastics and petroleum sludge

open access: yes, 2021
Waste plastics (e.g., polyethylene, polyvinyl chloride, polypropylene, polystyrene) and petroleum sludge (i.e., main residual from the petroleum industry) pose a severe threat to the environment and human health.
Duo Pan   +8 more
semanticscholar   +1 more source

Effect of storage temperature and storage duration on biodiesel properties and characteristics [PDF]

open access: yes, 2014
Biodiesel based on vegetable oils offer the advantage being a sustainable and environmentally attractive alternative to conventional petroleum based fuel.
B., Manshoor   +4 more
core   +1 more source

A nucleotide‐independent, pan‐RAS‐targeted DARPin elicits anti‐tumor activity in a multimodal manner

open access: yesMolecular Oncology, EarlyView.
We report a Designed Ankyrin Repeat Protein that binds and inhibits RAS proteins, which serve as central cell signaling hubs and are essential for the progression of many cancers. Its unique feature is that it does not discriminate between different RAS isoforms or mutations and is capable of binding to RAS in both its active (GTP‐bound) and inactive ...
Jonas N. Kapp   +13 more
wiley   +1 more source

Petroleum Product Pricing and Complementary Policies: Experience of 65 Developing Countries Since 2009

open access: yes, 2013
Unable to cope fully with steadily climbing world oil prices since mid-2009, many of the 65 countries reviewed in this paper have progressed slowly or even reversed course in reforming pricing of petroleum products. End-user prices in July 2012 varied by
Masami Kojima
semanticscholar   +1 more source

Information about petroleum in America prior to the nineteenth Century [PDF]

open access: yes, 2010
The petroleum substances have been used a lot of centuries ago: bitumen has been used in Neolithic Period to fix head's hammer of stone and to set beads.
Mazadiego Martínez, Luis Felipe   +2 more
core   +1 more source

Preferential α-hydrosilylation of terminal alkynes by bis-N-heterocyclic carbene rhodium(III) catalysts [PDF]

open access: yes, 2016
We describe a bis-N-heterocyclic carbene rhodium(III) complex, featuring two trifluoroacetato ligands, that affords a variety of a-vinylsilanes in good yields by hydrosilylation of terminal alkynes.
Blum   +48 more
core   +1 more source

Precision‐Optimised Post‐Stroke Prognoses

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Background Current medicine cannot confidently predict who will recover from post‐stroke impairments. Researchers have sought to bridge this gap by treating the post‐stroke prognostic problem as a machine learning problem, reporting prediction error metrics across samples of patients whose outcomes are known.
Thomas M. H. Hope   +4 more
wiley   +1 more source

Directions of increasing oil refinery revenues under conditions of energy dependence

open access: yesЕкономіка, управління та адміністрування, 2020
The rapid spread of globalization processes radically changed the functioning principles of Ukrainian enterprises. This is explained by the fact that globalization is a condition of economic entities’ functioning, and also determines the level of ...
L.P. Shapoval, A.O. Bulka
doaj   +1 more source

Impact of Petroleum Product on the Soil around Automobile Workshops in Osun State

open access: yes, 2013
Effects of petroleum product were investigated on the soil samples in automobile engineering workshops at eight different points in osun state. Composite samples were taken at two depths of 0-15cm and 15-30cm, therefore a total of sixteen samples were ...
G. FarombiA., M. OyekanmiA.
semanticscholar   +1 more source

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