Results 51 to 60 of about 3,391,068 (309)

Hydrophobic association supramolecular gel suitable for oil and gas drilling in fractured formation

open access: yesFrontiers in Chemistry
Supramolecular gel can be used to seal fractures and pores in the formation during oil and gas drilling and production. In this study, a supramolecular gel plugging agent based on hydrophobic association was prepared by free radical polymerization of ...
Yongquan Han   +4 more
doaj   +1 more source

Energy management strategies in the oil industry for chemical and thermal environment pollution reduction

open access: yesMATEC Web of Conferences, 2017
This paper depicts certain thermodynamic processes possibly involved in the oil industry specific activities operation and/or proper equipment maintenance.
Avram Lazăr   +2 more
doaj   +1 more source

Mechanism elucidation and adsorbent characterization for removal of Cr(VI) by native fungal adsorbent

open access: yesSustainable Environment Research, 2018
Mechanism of Cr(VI) bio-removal from mine drainage was studied using a native fungal isolate. The Cr(VI) tolerant species, from chromite mining at Sukinda mine water fungus characterized as Aspergillus fumigatus Fresenius was applied after inactivation ...
Biswaranjan Dhal   +2 more
doaj   +1 more source

Bone and Soft Tissue Neoplasms in Infants Versus Older Children: A Report From the Cancer in Young People in Canada Program

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background and Aims Infant bone and soft tissue neoplasms present distinct clinical challenges and lack large‐scale data to inform treatment decisions. This study aims to characterize bone and soft tissue neoplasms in infants in Canada and to compare their outcomes with those of older pediatric patients.
Samuel Sassine   +21 more
wiley   +1 more source

Damage Mechanism and Sensitivity Analysis of Cement Sheath Integrity in Shale Oil Wells During Multi-Stage Fracturing Based on the Discrete Element Method

open access: yesEng
As the retrieval of unconventional oil and gas resources extends to the deep and ultra-deep domains, the issue of cement sheath failure in shale oil wellbores seriously endangers wellbore safety, making it imperative to uncover the relevant damage ...
Xuegang Wang   +7 more
doaj   +1 more source

FULLY AUTOMATED GIS-BASED INDIVIDUAL TREE CROWN DELINEATION BASED ON CURVATURE VALUES FROM A LIDAR DERIVED CANOPY HEIGHT MODEL IN A CONIFEROUS PLANTATION [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2016
The generation of high resolution canopy height model (CHM) from LiDAR makes it possible to delineate individual tree crown by means of a fully-automated method using the CHM’s curvature through its slope.
R. J. L. Argamosa   +7 more
doaj   +1 more source

Feeding, Fear, and Acceptance: Caregivers’ Experiences of Nutritional Support During Childhood Cancer Treatment

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Purpose To explore caregivers' experiences and perceptions of the nutritional challenges faced by children and adolescents undergoing cancer treatment, including oral intake and the use of nutritional support. Methods This was a qualitative study based on focus groups with parents and caregivers at a Brazilian pediatric oncology hospital ...
Danyelle Apparecida Balsamão Marques   +5 more
wiley   +1 more source

Lorlatinib‐Containing Therapy for MYCN‐Amplified, ALK‐Mutated Neuroblastoma With Bulky Leptomeningeal Relapse: A Case Report

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Central nervous system (CNS) relapse of neuroblastoma carries a poor prognosis, and craniospinal irradiation (CSI) poses substantial long‐term toxicity in young children. We report a toddler with MYCN‐amplified neuroblastoma harboring somatic ALK R1275Q who developed extensive leptomeningeal relapse with paraplegia.
Jinwoo Kim   +11 more
wiley   +1 more source

Mild pyrolytic treatment of Gmelina arborea for optimum energetic yields

open access: yesCogent Engineering, 2019
One of the most promising routes to produce solid biofuel from biomass is mild pyrolytic treatment (torrefaction). In the present study, mild pyrolytic treatment of Gmelina arborea was carried out to obtain optimum energetic yields (mass yield, higher ...
A.A. Adeleke   +5 more
doaj   +1 more source

The Balance of Multi-phase Gathering and Transport Systems [PDF]

open access: yesMATEC Web of Conferences, 2019
Natural gases are a mixture of hydrocarbons which are generally in a gaseous state. Due to the variation in transport parameters (pressure, temperature) and gas composition, there may be sectors where those appear in liquid state, the condensate.
Eparu Cristian Nicolae   +3 more
doaj   +1 more source

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