Liquid-ammonia
Kinetics and Mechanisms of Organic Reactions in Liquid Ammonia
... Because ammonia has three possible hydrogen bond donors but only one lone pair for H-bond acceptance, its arrangement in the liquid and solid phases is ...each ammonia molecule is surrounded by six ...
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Effects of alkaline or liquid-ammonia treatment on crystalline cellulose: changes in crystalline structure and effects on enzymatic digestibility
... Treatment at a low temperature (25°C) resulted in a less crystalline product, whereas treatment at elevated temperatures (130°C or 140°C) gave a more crystalline product. Treatment of cellulose I with aqueous sodium ...
16
Electron spin resonance studies of transient radical anions produced in liquid ammonia at 200 K
... ELECTRON SPIN RESONANCE STUDIES OF TRANSIENT RADICAL - ANIONS PRODUCED IN LIQUID AMMONIA AT 200 K by.. of the requirements Doctor.[r] ...
217
Optimization of Liquid Ammonia Treatment for Enzymatic Hydrolysis of Miscanthus sinensis Anderss
... and ammonia fiber explosion method, each treatment effect have advantages and disadvantages ...of ammonia explosion treatment of corn straw can improve the en- zymatic hydrolysis rate, maximum glucan yield ...
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Electron spin resonance studies of transient radical ions in liquid ammonia
... whUe the nitto group param ters were vaned untU good agreement betw "experlmentar' proton spin densities, obtatn d from the ring proton coupling constants using th value.. and calculated[r] ...
197
Modelling uranyl chemistry in liquid ammonia from density functional theory
... To summarize, after careful benchmarking of several density functionals and solvation models, we propose herein a new computational protocol, based on eq. 1, to compute complexation free energies in liquid ...
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Design Analysis of One Tonee Liquid Ammonia Vapour Absorption Refrigeration System
... aqua ammonia vapour absorption refrigeration ...of ammonia and water are gaining popularity because they use zero global warming and ozone depletion fluids as ...
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A study of free radicals in liquid ammonia by electron spin resonance
... aqueousflat cell mixing device end although excellent work has been carried out with this mixer - la particular the observation of phenoxy radicals and simple neutral radicals from the r[r] ...
186
The structure and dynamics of alkali metal-amine solutions
... The measured total structure factors together with the minimum noise fits for the 0, 2, 3, 4, 8 and 21 M PM deuterated lithium-ammonia solutions are presented in figure 5.1(a). The minimum noise fits show ...
289
Electricity from Solar Rays Using Honeycomb Lens and Nano-Particled Solar Panels
... ABSTRACT: In this study, the vapour of liquid ammonia and water mixture is produced by heating with the help of honeycomb lenses which concentrates the solar power. The vapour produced is to run a turbine ...
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Study on the mixing performance of static mixers in selective catalytic reduction (SCR) systems
... Accordingly, Fig 6 and Fig 7 suggest that the calculated B and C for an identical GK mixer unit also change with these two factors. Both B and C decrease with the increases of volume ratio of ammonia to exhaust ...
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Investigation of perovskite oxide SrCo 0 8 Cu 0 1 Nb 0 1 O 3– δ as a cathode material for room temperature direct ammonia fuel cells
... To quickly remove ammonia from wastewater, increasing the pH value of the fuel is a good choice. This can be achieved by adding alkaline waste, such as coal fly ash. The power density of the room temperature fuel ...
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Ammonia and the Fertiliser Industry: The Development of Ammonia at Billingham32-47
... A step change occurred in 1997 due to the acquisition of the BASF syngas catalyst business by ICI’s catalyst business (since acquired by Johnson Matthey). The acquisition of the BASF activities allowed the knowledge of ...
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EFFECTS OF YUCCA SHIDIGERA EXTRACT ON THE REDUCTION OF AMMONIA CONCENTRATION IN LAKE KOUMOUNDOUROU
... Twelve fish tanks were set in the hydrochem- istry laboratory of the Hellenic Centre for Marine Research (HCMR), and each of them was filled with 5 L lake water and 1.5 cm thick sediment col- lected from Lake ...
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Measurements, Modeling, and Analysis of Ammonia Flux from Hog Waste Treatment Technologies
... A carrier gas of compressed air travels into the chamber through ¼ inch Teflon lines at a constant flow rate set by a mass flow controller and monitored by a datalogger. The carrier gas transports the sample air stream ...
141
Selective non-catalytic reduction – Fe-based additive hybrid technology
... 25 KEYWORDS 26 SNCR, NOx, coal, additive, ammonia, Fe 27 NOMENCLATURE 28 AFR – Ammonia flow rate ml/min 29 NH3 – Ammonia utilisation efficiency 30 NOinitial – The concentration of NO in [r] ...
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Anhydrous ammonia in vegetable cropping
... Small precision applicator showing injection of anhydrous ammonia into a pot of soil.. (2) Ammonia Application - The small precision applicator was[r] ...
169
HYPERAMMONEMIA DUE TO A DEFECT IN HEPATIC ORNITHINE TRANSCARBAMYLASE
... Relationship of the protein intake of the patient with the concen- tration of ammonia in blood, the excretion of urea and ammonia in urine,.. and her clinical status...[r] ...
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Nitrification Performance of a Submerged Biofilter in a Laboratory Scale Size of the Recirculating Shrimp System
... the ammonia removal rate per unit volume of filter medium (the volumetric total ammonia nitrogen conversion rate, VTR) increased at the start of the experiment, reached and maintained a maximum value for a ...
6
The effects of exposure to ammonia on ammonia and taurine pools of the symbiotic clam
... of ammonia concentration in the ...external ammonia concentration. Ammonia assimilation appeared to occur at rates sufficient to account for the observed increase in taurine ...
9