نتایج جستجو برای: liquid ammonia

تعداد نتایج: 244064  

Journal: :International journal of applied thermodynamics 2022

This paper proposes an alternative for the calculation of liquid entropy binary solutions is proposed in this form correlation equations with higher computation speed. These were obtained by using both least squares method modelling reference and a classical matrix computer solving modeling entropy. Goodness-of-fit parameters such as sum estimation errors (SSE), Pearson's factor (R-squared), ro...

2006
A. D. Fortes

Introduction: The existing paradig the internal structure of Titan consists of overlain by an icy mantle bearing a deep ocean of aqueous ammonia [e.g., ref. 1]. regarding the possibility of cryovolcanic Titan [2], which is now apparently being b focused upon aqueous ammonia as cryomagma. Measurements of the v ammonia-water mixtures have been used cryovolcanoes and flows on Titan wi terrestrial ...

2004
Sulekha Bhadra Manoj Kumar Sunil Jain Shikha Agrawal G. P. Agrawal

*To whom all correspondence should be addressed. he quality of a solid pharmaceutical preparation is influenced by primary micromeritic characteristics such as the shape and size of drug crystals, especially when large amounts of poorly soluble drugs are formulated. To improve the dissolution rate of poorly soluble drugs, fine crystals are preferred over large crystals because they provide a gr...

Journal: :Chemical communications 2014
Fabian Gyger Pascal Bockstaller Henriette Gröger Dagmar Gerthsen Claus Feldmann

GaN nanoparticles, 3-4 nm in size, are synthesized in a microemulsion using liquid ammonia as the polar droplet phase. Surprisingly, GaN is readily crystalline although prepared at -40 °C. The nanoparticles show a band gap of 4.4 eV as well as light emission with its maximum at 336 nm. Both confirm the expected quantum-confinement effect.

2011
F. Estellés R. W. Melse N. W. M. Ogink S. Calvet

The use of air cleaning systems to reduce ammonia emissions from animal houses is increasing. These systems are normally used in order to comply with local or national regulations of ammonia emission. Therefore, accurate determination of the proportion of ammonia being removed by these systems is crucial. There are two main methods available to measure ammonia removal efficiency of scrubbers: a...

2012
Jon Baker

Our simple Meisenheimer model for predicting the principal site for nucleophilic substitution in aromatic perfluorocarbons is further tested on a series of recently published reactions in liquid ammonia primarily from Malykhin and coworkers. The model accurately predicts the experimental results for all of the reactions reported further confirming its general applicability.

2009
Kingo Itaya Allen J. Bard

The Journal of Physical Chemistry is published by the American Chemical Society. 1155 Sixteenth Street N.W., Washington, DC 20036 Electrogenerated chemiluminescence. 39. Reactions of solvated electrons in liquid ammonia Kingo Itaya, and Allen J. Bard J. Phys. Chem., 1981, 85 (10), 1358-1365• DOI: 10.1021/j150610a018 • Publication Date (Web): 01 May 2002 Downloaded from http://pubs.acs.org on Fe...

Journal: :Bioresource technology 2008
M Mondor L Masse D Ippersiel F Lamarche D I Massé

This project aimed at producing a concentrated nitrogen fertilizer from liquid swine manure using electrodialysis (ED) and reverse osmosis (RO), as a mean to help resolve the excess nutrient problem faced by many swine producers, and offer an alternative to chemical nitrogen fertilizer production. Different types of ED membranes were evaluated based on the NH4+ transfer rate, current efficiency...

Journal: :Occupational health; a journal for occupational health nurses 1988

Solids Liquids Gases/vapours Asbestos dust Sprayed droplets Ammonia Engine exhaust particles Paints Carbon monoxide Lead dust and fume Pesticides Carbon dioxide Silica dust Power coating mix Freon’s Welding fume Liquid jetting Helium Shot blasting dust Sewage water Nitrogen Wood dust Mercury vapour Smoke Mists Solvent vapours Fungal spores Chrome acid Engine exhaust gases Bacteria Cutting fluid...

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