Postgate's early career was dedicated to the problem of how to use sulphate-reducing bacteria to produce sulphide, which was needed as a source of sulphuric acid for industry.
Dosage of ammonia by the pH controller is a cost-saving alternative, but a suitable supplement of (NH4 2SO4 is needed as a source of sulfur and for initiating dosage of ammonia.
Resulting from the summation of expression intensities over a random number of individual cells, the observed signals may not adequately reflect the true dependence structure of intra-cellular gene expression levels needed as a source of information for network reconstruction.
But these items entered European markets long ago, and the gains from discerning American nibblers are unlikely to mean any sharp increase in profits for Iranians.Second, and more important, the vital oil sector needs America as a source of both technology and investment.
Apart from their undoubted mutual affection, Cleopatra needed Antony in order to revive the old boundaries of the Ptolemaic kingdom (though her efforts to convince him to give her Herod's Judaea failed), and Antony needed Egypt as a source of supplies and funds for his planned attack on Parthia.
76 Showing the need to work with both clinicians and patients to develop a method of data collection that serves their needs as well as providing a source of useful data for analysis.
Amazon needs Wall Street as a source of cheap capital.
Groundwater is said to be a more dynamic renewable natural resource and plays important role in drinking, agricultural and industrial needs as a timely assured source compared with surface water; however, availability with good quality and quantity in appropriate time and space is also important (Rao 2006; Chowdhury et al. 2009).
However, skeletal stores are needed as a secondary source resulting in a constant remodeling of the bone structure in laying hens, which reduces bone strength and increases the incidence of fractures.
Up-to-date evidence is needed about the range and relative importance of different information sources for young people, how well these sources meet their information needs, as well as their preferred sources and knowledge deficits, to ensure that young people are equipped with the knowledge they need to experience a happy and healthy sex life.
