ANSTO Publications Online

Welcome to the ANSTO Institutional Repository known as APO.

The APO database has been migrated to version 7.5. The functionality has changed, but the content remains the same.

ANSTO Publications Online is a digital repository for publications authored by ANSTO staff since 2007. The Repository also contains ANSTO Publications, such as Reports and Promotional Material. ANSTO publications prior to 2007 continue to be added progressively as they are in identified in the library. ANSTO authors can be identified under a single point of entry within the database. The citation is as it appears on the item, even with incorrect spelling, which is marked by (sic) or with additional notes in the description field.

If items are only held in hardcopy in the ANSTO Library collection notes are being added to the item to identify the Dewey Call number: as DDC followed by the number.

APO will be integrated with the Research Information System which is currently being implemented at ANSTO. The flow on effect will be permission to publish, which should allow pre-prints and post prints to be added where content is locked behind a paywall. To determine which version can be added to APO authors should check Sherpa Romeo. ANSTO research is increasingly being published in open access due mainly to the Council of Australian University Librarians read and publish agreements, and some direct publisher agreements with our organisation. In addition, open access items are also facilitated through collaboration and open access agreements with overseas authors such as Plan S.

ANSTO authors are encouraged to use a CC-BY licence when publishing open access. Statistics have been returned to the database and are now visible to users to show item usage and where this usage is coming from.

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Communities in ANSTO Publications Online

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Now showing 1 - 5 of 5

Recent Submissions

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Cost-effective risk reduction
(Australian Institute of Nuclear Science and Engineering, 1981-11-12) Bicevskis, A
A clear distinction must be made between individual and community decisions involving some risk factor. In developed industrial countries risks controlled by community decisions (for example, occupational risks) are, in general, two orders of magnitude smaller than risks associated with individual decisions (smoking, dietary habits and general life-style). Thus, any community decisions (in peacetime) have less bearing on expectation of life (this has increased by about 25 years to more than 70 years in Australia over the last 90 years). Nowadays the central issue in community decisions is cost-effectiveness or how to achieve the greatest reduction in all risks to the community for a given total diversion of resources from other socially desirable objectives (at the discretion of the society). To implement a cost-effective strategy, risks must be quantified and, dealing with existing activities, any additional resources channelled into activities with the lowest marginal or incremental cost per life-saved irrespective of absolute risk levels. In principle, no industry can be considered in isolation but community intervention is required, in the form of rules and regulations, to achieve a rational distribution of risk reduction resources. Although the basic principles are straightforward and a reasonable amount of risk data is already available cost-effectiveness is only slowly gaining ground as an aid to community decision making.
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Characterising formation pathways of oxalate accretions: implications for radiocarbon dating rock art
(Australian Archaeological Association, 0202-12-03) Webster, C; Huntly, J; Jacobsen, GE; Balngarrawarra Aboriginal Corporation; Buubu Gujin Aboriginal Corporation; Rangers, L; Cole, N; Aubert, M; Wallis, LA
Oxalate mineral formation in rockshelter sites is a phenomenon associated with rock art across the globe. Oxalate accretions are often assumed to be the product of geological weathering or biological processes despite the definitive mechanism for their formation still being largely unknown. Carbon bearing oxalates have previously been radiocarbon dated and used to build chronological sequences associated with rock art. With the mechanism for their formation remaining ambiguous, the source of the carbon used to obtain radiocarbon dates is frequently unknown, leading to concerns regarding the accuracy and veracity of such age determinations. Under the umbrella of the ABM project, oxalate mineral accretions from rockshelter sites in south east Cape York Peninsula have been sampled with the goal of characterising the formation pathway to evaluate if they are suitable for radiocarbon dating. Here we report on the characterisation of oxalate minerals from south east CYP and possible formation pathways, assessing the hypothesis of a biological source of oxalate accretions. We trialled multiple pre-treatments for radiocarbon dating, providing insights regarding the amount of initial sample required for viability, and identifying potential contaminants. © The Authors
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Adsorption of macromolecules on alumina powders
(Trans Tech Publications, 1989-08-26) Bartlett, JR; Woolfrey, JL
The adsorption of micromolecules such as substituted poly (acrylic acids) and ethylenediamminetetraacetic acid on fine, reactive alumina powders was examined. The conformations adopted by sorbed and free macromolecular chains as a function of solution pH were characterised by Fourier transform infrared and Raman spectroscopy. In addition, the relationship between the amount of sorbed macromolecule, the iso-electric point of the alumina slurries, and the role of macromolecule sorption in powder processing will be discussed.
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Current state of Kowari and ideas on further instrument development: is double detector system practical on the constant wavelength diffractomneter?
(Australian Nuclear Science and Technology Organisation, 2012-01-10) Luzin, V; Kirstein, O
There is a noticeable difference in the design of the stress TOF spectrometer and the constant wavelength diffractometer: the later one usually has only one detector while TOF instruments are equipped with at least two banks of detectors and sometimes full or part circle of detector banks. The one detector design of the diffractometers is due to asymmetry of the resolution of the constant wavelength diffractometer when right and left position of a detector are not equivalent but can be distinguished as “+/+” and “+/-” configurations in respect to the directions of the neutron beams. The fact of the matter is that only “+/-“configuration has the best achievable resolution and flux as predicted in the parallel beam simplified model. Thus, despite all benefits of using double detector system (especially for the in-situ diffraction experiment), there is no practical solutions found yet for the constant wavelength diffractometers. The attempt has been made to study the question of practical feasibility of the double detector system on Kowari by undertaking two major approaches. First, we studied experimentally resolution and changes in flux of the two (“+/+” and “+/-“) detector positions by repeating standard powder measurements using the same detector and slit setup. Second, the instrument characteristics in the two detector position were evaluated by modelling using McStas package for the neutron optics simulation. Interpretation and discussion of the obtained results will be presented and the practical usefulness of the double detector system will be disputed.
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Preparation and characterisation of Synroc precufisor powders
(Trans Tech Publications, 1989-08) Bartlett, JR; Woolfrey, JL
Synroc B powders have been prepared by a number of techniques, involving the hydrolysis of appropriate mixtures of organometalligfnd inorganic Ti, Zr and Al precursor compounds, and subsequent sorption of Ba and Ca cations under alkaline conditions. Chemical reactions occurring during hydrolysis and precipitation of the powders were characterised by various techcniques (conductivity, pH, etc.), and the physical properties of the resulting powders were examined by electron microscopy, mercury porosimetry, BET analysis, XRD and vibrational spectroscopy. The effect of processing method on the physical properties of the powders will be discussed. © The Authors