Results 31 to 40 of about 2,643,922 (315)

Developing and exploring indicators of water sustainable development [PDF]

open access: yesHeliyon, 2019
The pressures of rapid economic growth, population increase, and global warming are stretching the availabilities of natural freshwater sources which have implications for economic prosperity and human life. Water resources are entwined in a complex socio-economic system, affected by water demands as well as the environmental implications of pollution ...
openaire   +4 more sources

Synthesis of super high molecular weight copolymer of AM/NaA/AMPS by oxidation–reduction and controlled radical polymerization

open access: yesPetroleum Science, 2019
Super high molecular weight copolymers of AM/NaA/AMPS were prepared by oxidation–reduction [OR-P(AM/NaA/AMPS)] and controlled radical polymerization [CR-P(AM/NaA/AMPS)].
Ji Yan-feng   +5 more
doaj   +1 more source

Application of principal component analysis on water flooding effect evaluation in natural edge-bottom water reservoir

open access: yesJournal of Petroleum Exploration and Production Technology, 2020
Water flooding effect evaluation is considered as the basic work to formulate comprehensive adjustment measures and improve the effectiveness of oilfield development.
Xiaoyan Geng   +4 more
doaj   +1 more source

Fluid Identification Based on NMR Apparent Free Water Porosity Inversion: A Case Study of Paleozoic Tight Sandstone Gas Reservoirs in Western Ordos

open access: yesGeofluids, 2022
Tight sandstone reservoirs are affected by various factors such as pore structure, formation water salinity, and siliceous cementation, which lead to the abnormal phenomenon of high-resistivity water layers and increase the difficulty in identifying gas ...
Fuqiang Lai   +9 more
doaj   +1 more source

Developing Experimental Models for NASA Missions with ASSL

open access: yes, 2010
NASA's new age of space exploration augurs great promise for deep space exploration missions whereby spacecraft should be independent, autonomous, and smart.
Hinchey, Mike, Vassev, Emil
core   +2 more sources

Plasticity as a developing trait: exploring the implications [PDF]

open access: yesFrontiers in Zoology, 2015
Individual differences in plasticity have been classically framed as genotype-by-environment interactions, with different genotypes showing different reaction norms in response to environmental conditions. However, research has shown that early experience can be a critical factor in shaping an individual's plasticity to later environmental factors.
openaire   +3 more sources

Locating experience in time and place: a look at young adult fiction and spiritual intelligence [PDF]

open access: yes, 2017
Spiritual intelligence describes self-awareness and intuition, with the development of creative thinking, compassion, and connectedness with others. Many researchers point to an awakening and development of spiritual intelligence that is enhanced through
Westenberg, L
core   +2 more sources

The future of space exploration and human development [PDF]

open access: yes, 2008
This repository item contains a single issue of The Pardee Papers, a series papers that began publishing in 2008 by the Boston University Frederick S. Pardee Center for the Study of the Longer-Range Future.
Kalam, A.P.J. Abdul
core   +1 more source

European Standard Clinical Practice Guideline and EXPeRT Recommendations for the Diagnosis and Management of Gastroenteropancreatic Neuroendocrine Neoplasms in Children and Adolescents

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Pediatric gastroenteropancreatic neuroendocrine neoplasms (GEP‐NENs) are extremely rare and clinically heterogeneous. Management has largely been extrapolated from adult practice. This European Standard Clinical Practice Guideline (ESCP), developed by the EXPeRT network in collaboration with adult NEN experts, provides (adult) evidence ...
Michaela Kuhlen   +23 more
wiley   +1 more source

Characterization and Spatial Distribution of Sand Group Architecture and Channel Types in Tight Gas Reservoirs: A Case Study From the Jurassic Shaximiao Formation of the Jinqiu Gas Field in the Central Sichuan Basin of China

open access: yesGeofluids
There is an abundance of tight gas resources in narrow channel sand-bodies from the Jurassic Shaximiao Formation of the Jinqiu gas field in the central Sichuan Basin of China. The architecture of sand group in the study area is undefined, and the spatial
Guian Guo   +12 more
doaj   +1 more source

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