Results 81 to 90 of about 33,936 (306)

EXPOSURE TESTS OF SURFACE TREATED SAWN COCONUT TIMBER

open access: yesCORD, 1989
An investigation was made to determine the relative performance of three readily available inorganic chemicals containing either copper or chromium when applied singly or in combination to sawn coconut timber surfaces.
R.N. Palomar, P. Jensen, V.K. Sulc
doaj   +1 more source

The continuing materials analysis of the thermal control surfaces experiment (S0069) [PDF]

open access: yes
The long term effects of the natural and induced space environment on spacecraft surfaces are critically important to future spacecraft - including Space Station Freedom.
Mell, Richard J.   +3 more
core   +1 more source

Endosymbiotic bacteria nodulating a new endemic lupine Lupinus mariae-josephi from alkaline soils in Eastern Spain represent a new lineage within the Bradyrhizobium genus [PDF]

open access: yes, 2011
Lupinus mariae-josephi is a recently described endemic Lupinus species from a small area in Eastern Spain where it thrives in soils with active lime and high pH. The L.
Albert Navarro   +61 more
core   +2 more sources

Uncovering a new species of Hemileccinum (Boletaceae, Basidiomycota) from India with morphological characteristics and multi‐gene molecular phylogeny

open access: yesNordic Journal of Botany, EarlyView.
While undertaking macrofungal forays to several forested areas of Uttarakhand (India), a noteworthy and previously unknown species of Hemileccinum was unveiled. This species is proposed here as Hemileccinum indicum sp. nov. It is presented with both morphological characteristics and multigene molecular phylogenetic analysis.
Kanad Das   +3 more
wiley   +1 more source

Development of an improved membrane for a vapor diffusion water recovery process [PDF]

open access: yes
Recovery of potable water from urine on manned space missions of extended duration was the objective of work aimed at the improvement of membrane performance for the vapor diffusion process (VDR).
Mix, T. W., Rich, T. R.
core   +1 more source

Electrochemical cell for rebalancing REDOX flow system [PDF]

open access: yes, 1979
An electrically rechargeable REDOX cell or battery system including one of more rebalancing cells is described. Each rebalancing cell is divided into two chambers by an ion permeable membrane.
Thaller, L. H.
core   +1 more source

Multi‐Functional S‐HA/ASTA NPs Coating on Biodegradable ZE21B Alloy for Cerebrovascular Applications

open access: yesRare Metals, EarlyView.
ABSTRACT Magnesium (Mg) and its alloys have attracted extensive attention of researchers in the field of cerebrovascular implants due to their good mechanical properties and biosafety. However, rapid degradation and delayed endothelialization pose challenges. To address these issues, this study introduces a multifunctional composite coating.
Aqeela Yasin   +4 more
wiley   +1 more source

Study to establish cost projections for production of Redox chemicals [PDF]

open access: yes
A cost study of four proposed manufacturing processes for redox chemicals for the NASA REDOX Energy Storage System yielded favorable selling prices in the range $0.99 to $1.91/kg of chromic chloride, anhydrous basis, including ferrous chloride.
Greco, C. C.   +3 more
core   +1 more source

f‐Block Element‐Based MOF Thin Films: A Platform for Luminescence, Sensing, and Energy Applications

open access: yesSmall, EarlyView.
f‐Block element–based metal–organic framework (f‐MOF) thin films offer exceptional potential for luminescent, sensing, and energy‐related applications. This review surveys recent progress in their synthesis, characterization, and functional implementation, emphasizing the diversity of available thin‐film fabrication strategies. The convergence of these
Dong‐Hui Chen, Christof Wöll
wiley   +1 more source

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