Results 91 to 100 of about 6,377,360 (326)
Eisei kagaku, 1988 Total hardness and concentrations of calcium and magnesium, and partly detection of nitrous ion and ammonium ion in tap water, well water, mineral water drinks, etc., in the summer of 1987 in Tokyo and the around areas, and the survey of taste for mineral water drinks were investigated. The average hardness in tap water and well water were about 69 ppm
YASUKO TAKAHASHI, YUKIKO IMAIZUMI
openaire +2 more sources
EURO-ECOLE: Assessment of the Bioavailability and Potential Ecological Effects of Copper in European Surface Waters ; subproject 4: Evaluation and improvement of the ecological relevance of laboratory generated toxicity data [PDF]
, 2002 This report summarizes the acute and chronic toxicity of copper to algae, Daphnia and a few other freshwater species in standard laboratory test water and a wide range of natural surface waters (collected across Europe), with a wide range of pH ...
Bossuyt, Bart +2 more
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Advanced Engineering Materials, EarlyView.This study proposes a new methodology for producing metal matrix nanocomposites in the solid state. The process involves the plasma‐assisted thermochemical treatment of metallic alloy powders. As a proof‐of‐concept, TiN nanoparticles are synthesized directly on the surface of FeTi intermetallic powder particles, enabling the development of the ...
Deivison Daros Paim +4 more
wiley +1 more source
Analisis Pembentukan Kerak Di Dalam Pipa Pdam Semarang [PDF]
, 2015 Pipes are important components in a system drinking water to transport water flow. If one of the pipes experiences corrode and scaling, the potential economic losses will be high.
Bayuseno, A. P. (Athanasius) +1 more
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'Fire hardening' spear wood does slightly harden it, but makes it much weaker and more brittle [PDF]
, 2016 It is usually assumed that 'fire hardening' the tips of spears, as practised by hunter-gatherers and early Homo spp., makes them harder and better suited for hunting.
Chan, Tak Lok, Ennos, Antony Roland
core +1 more source
Overcoming barriers for nitrate electrochemical reduction: By-passing water hardness.
Water Research, 2022 Aksana Atrashkevich +5 more
semanticscholar +1 more source
Advanced Engineering Materials, EarlyView.High‐temperature interactions between low‐sulfur Al‐killed Mn–B steel and MgO–C refractories (0 and 50 wt% recyclates) are studied via finger immersion tests (1600 °C). Surface‐active elements influence infiltration. MgO/CaS layer forms, along with spinel and calcium silicate.
Matheus Roberto Bellé +5 more
wiley +1 more source
Acta Scientiarum: Animal Sciences, 2010 Current experiment was undertaken during 6 weeks with Nile tilapia, Oreochomis niloticus, fingerlings (1.28 ± 0.03 g) to assess the effects of moderate Na2CO3 liming on water quality and fish growth performance. Twenty-four 25 L-aquaria, with 15 fish per
Davi de Holanda Cavalcante +2 more
doaj +1 more source
Hard times with hard water [PDF]
Nephrology Dialysis Transplantation, 2004 Ralph, Kettritz +2 more
openaire +2 more sources
The Effect of Dissolved Water on the Tribological Properties of Polyalkylene Glycol and Polyolester Oils [PDF]
, 1994 The effect of water dissolved in polyalkylene glycol and polyolester oils on the tribological behavior of two material contact pairs in three test environments is evaluated.
Cusano, C. +2 more
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