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Journals and Conferences
Over the past fifty years the development of high-tech farming has led to excessive amounts of fertiliser being applied to soil. Some research aspects of this abuse are described in relation to the uptake of nitrate into vegetables. In order to monitor this problem a high precision HPLC method capable of rapid throughput has been evolved. Using this HPLC… (More)
The effects on the nitrate content of vegetables exposed to boiling in water for various lengths of time is described. Whilst certain cultivars show a steady decrease in nitrate levels, other varieties show an initial rise. The nitrate content of the cooking water used shows a sustained increase as the cooking time is extended.
Despite being commonly affected by degenerative disorders, there are few data on normal thoracic intervertebral disc dimensions. A morphometric analysis of adult thoracic intervertebral discs was, therefore, undertaken. Archival computed tomography scans of 128 recently deceased individuals (70 males, 58 females, 20–79 years) with no known spinal pathology… (More)
In a typical pulsed THz system, the source is triggered by a fast laser pulse, and the detector is triggered by a delayed part of the same laser pulse. The time delay of detection is controlled by reflecting the second laser pulse at a mirror with precisely controlled movement. It is therefore possible to make accurate measurements of small time delays in… (More)
2014 Following the recent publication of infra-red measurements on crystals of Al2O3 containing Mn3+ ions, a detailed theoretical analysis of the system has been undertaken. From these results and our earlier APR measurements, it is shown by computer analysis that all the data for this 5E ion can be satisfactorily explained by a multimode lattice model of… (More)
A tilted Mangin mirror can be designed to be free of coma and astigmatism and to cancel the chromatic aberrations of refracting components.