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AbstractAbstract
[en] This conference includes papers on a broad range of applications for nuclear technologies. Some of the topics covered are the electron beam and its applications, nuclear applications in industry, nuclear power in Japan, radiobiology for the environment, significant developments in nuclear medicine and nuclear applications in agriculture
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1992; 613 p; 4. Nuclear Science and Technology Conference; Bangkok (Thailand); 20-22 Oct 1992; ISBN 974-7399-78-4;
; Some articles published in Thai.

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[en] The project on the Industrial Application of Isotopes and Radiation was carried out under the Regional Co-operative Agreement (RCA) for Research, Development and Training related to Nuclear Science and Technology in Asia and the Pacific 1982 to 1991. The project was underpinned by UNDP funding and supplemented by extra-budgetary financing mostly from Japan, Australia and IAEA but with some contributions from India and China. There were also major inputs from the 'in kind' contributions made by the participating Member States. Altogether some US$ 14.3 million have been identified as the total contribution to the support of the activities over these ten years
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Office of Atomic Energy for Peace, Bangkok (Thailand); 613 p; ISBN 974-7399-78-4;
; 1992; p. W29-W43; 4. Nuclear Science and Technology Conference; Bangkok (Thailand); 20-22 Oct 1992

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[en] Analyses for concentrations of iron, niobium and tantalum in valuable ores by X-ray fluorescence analysis (XRF) method, characteristic X-rays of Fe was interfered by the escape peak of Nb from HPGe(LEPS) detector. To solve this problem, normalizations of Nb spectra with the computer program were used. The result analyzed for Fe, Nb and Ta concentration in the sample, compared to those with the neutron activation analysis (NAA) method, the corresponding errors about 5% were obtained satisfactorily. This method of XRF can be applied efficiently instead of NAA method during the reactor shut-down for a long period
Source
Office of Atomic Energy for Peace, Bangkok (Thailand); 613 p; ISBN 974-7399-78-4;
; 1992; p. 207-216; 4. Nuclear Science and Technology Conference; Bangkok (Thailand); 20-22 Oct 1992

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Kiatkamjornwong, S.; Chvajarernpun, J.; Nakason, C.
The 4th Nuclear Science and Technology Conference. Proceedings1992
The 4th Nuclear Science and Technology Conference. Proceedings1992
AbstractAbstract
[en] Radiation modification on liquid retention properties of native cassava starch, gelatinized at 850C, by graft copolymerization with acrylonitrile was carried out by mutual irradiation to γ-rays. A thin aluminium foil was used to cover the inner wall of the reaction vessel so that the extent of homo polymer could be reduced to be less than 1.6% with a distilled water retention value of 665 g/g of the dry weight of the saponified grafted product. Confirmations of graft copolymerization and saponification reactions were made by the infrared spectrophotometric technique. The combined effect of radiation parameters in terms of an irradiation time and a dose rate to the same total dose on the extent of grafting reaction expressed in terms of grafting parameters which directly influenced liquid retention values was evaluated in conjunction with statistical analysis
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Office of Atomic Energy for Peace, Bangkok (Thailand); 613 p; ISBN 974-7399-78-4;
; 1992; p. 127-141; 4. Nuclear Science and Technology Conference; Bangkok (Thailand); 20-22 Oct 1992

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Segsarnviriya, S.; Limohpasmanee, W.; Sutantawong, M.
The 4th Nuclear Science and Technology Conference. Proceedings1992
The 4th Nuclear Science and Technology Conference. Proceedings1992
AbstractAbstract
[en] The topics of this study were to study on population fluctuation and their effects on fruit flies control project. Methyl eugenol traps were placed every one kilometer on the way to Doi Ang Khang from 8th kilometer to 23th kilometer. The trapped fruit flies were identified and counted every 2 weeks. The result was found that there are 6 species of fruit flies such as: Dacus dorsalis Hendel (59.08%), Dacus zonatus (Saunders) (39.40%), Dacus nigrotibialis (Perkins) (1.07%), Near Dacus correctus (Bezzi) (0.35%), Dacus correctus (Bezzi) (0.11%) and Dacus tau (Walker) (0.001%), and the fruit flies population in this area did not effect to fruit flies control in Doi Ang Khang
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Source
Office of Atomic Energy for Peace, Bangkok (Thailand); 613 p; ISBN 974-7399-78-4;
; 1992; p. 296-304; 4. Nuclear Science and Technology Conference; Bangkok (Thailand); 20-22 Oct 1992

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AbstractAbstract
[en] The gamma-ray spectrum analysis program SPECFIT is provided with two choices for multiplet-resolving, i.e., manual analysis and automated analysis. In manual option, user has to specify the boundary of a multiplet, the number of overlapping peaks, together with position and height of each peak, in automatic option, the prior knowledge required for the analysis is two values of peak width which can usually be obtained from normal peak-shape calibration of the measuring system. This report shows the analysis' results of both options. The results show the astonishing capability of the program SPECFIT in automatically and effectively resolving all of the nine doublets of the test spectrum G-400 of the International Atomic Energy Agency
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Source
Office of Atomic Energy for Peace, Bangkok (Thailand); 613 p; ISBN 974-7399-78-4;
; 1992; p. 158-166; 4. Nuclear Science and Technology Conference; Bangkok (Thailand); 20-22 Oct 1992

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Yathaputanont, C.; Chaiwanakupt, P.
The 4th Nuclear Science and Technology Conference. Proceedings1992
The 4th Nuclear Science and Technology Conference. Proceedings1992
AbstractAbstract
[en] A field experiment was conducted on Pak Chong soil, using 15N-dilution to examine effects of plant spacing and nitrogen fertilizer on N2-fixation, N transferred to the inter crop maize and the yields of the component crops in cropping systems involving maize and ground nut. The cropping systems were (1) L1, one row of ground nut grown between maize double rows, (2) L2, two rows of ground nut grown between maize double rows, (3) L3, one row of ground nut grown between maize single row, (4) L4, sole ground nut, and (5) M, sole maize. The rate of N-fertilizer applied to the inter crop maize was 80 Kg N/ha. L1 produced not only highest corn yield (3894 kg/ha) but also highest total crop dry matter (10962 kg/ha), i.e. that of corn plus that of ground nut, regardless of N-fertilization. Both with and without N fertilizer, L2 gave higher amount of N in ground nut derived from fixation (62.6 adn 43.8%), N2 fixed by hectare (52 and 25 kg/ha) and N2 fixed per plant (0.24 and 0.12 g/plant) than L1 and L3 but lower than L4. The values for L4 were 60.4%, 175 kg/ha and 0.44 g/plant, respectively. There was no clear evidence supporting transfer of N2 fixed by the legume to the inter crop maize, regardless of plant spacing
Primary Subject
Source
Office of Atomic Energy for Peace, Bangkok (Thailand); 613 p; ISBN 974-7399-78-4;
; 1992; p. 305-324; 4. Nuclear Science and Technology Conference; Bangkok (Thailand); 20-22 Oct 1992

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Songprasertchai, S.; Segsarnviriya, S.
The 4th Nuclear Science and Technology Conference. Proceedings1992
The 4th Nuclear Science and Technology Conference. Proceedings1992
AbstractAbstract
[en] Non-irradiated fragrant rice and white rice 100% had the multiplying of insects after storage. The rice was damaged in small pieces after three months, the bad smell of insects appeared in five to six months and the taste panels did not accept the smell significantly. Most of the insects were identified for many kinds such as Oryzaephilus surinamensis (L.), Acarus siro L. and Sitophilus oryzae (L.). Living insects could not be found in two varieties of irradiated rice and the taste panels still accepted until the six months of storage time. Weight lost and moisture content determination of both non-irradiated and irradiated rice were 1 and 0.45-0.67 percent, respectively and the rancidity testings were measured in small amount. The 95 micron thickness of polyethylene packaging had the good condition and could prevent the penetration of the storage insects very well. It may be utilized in commercial scale
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Secondary Subject
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Office of Atomic Energy for Peace, Bangkok (Thailand); 613 p; ISBN 974-7399-78-4;
; 1992; p. 264-283; 4. Nuclear Science and Technology Conference; Bangkok (Thailand); 20-22 Oct 1992

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Ong-art-harn, C.; Punnachaiya, M.; Chueinta, S.; Yamkate, P.
The 4th Nuclear Science and Technology Conference. Proceedings1992
The 4th Nuclear Science and Technology Conference. Proceedings1992
AbstractAbstract
[en] The application of nuclear technique is introduced in finding the most suitable detergents in the washing process. By counting the activity of the fixed-form contaminated radioactive tracers on 3 kinds of cloth which are cotton, calico and polyester. The 24 commercial detergents in this study are: 10 hand-washed powders, 4 machine-washed powders, 4 hand and machine-washed liquids, 3 pre-washed stain removers and 3 commercial decontaminating liquids. The washing efficiencies of 24 detergents for radioactive decontaminations on cotton, calico and polyester vary from 0 to 98.47%. The most effective detergent in each type gives the washing efficiencies for 3 radioactive decontaminations on each cloth material as follows: Hand-washed powder detergent: cotton > calico > polyester, machine-washed powder detergent: polyester > cotton > calico, hand and machine-washed liquid detergent: calico > polyester > cotton, pre-washed stain remover: calico > cotton > polyester, commercial decontaminating liquid: cotton > calico > polyester
Primary Subject
Source
Office of Atomic Energy for Peace, Bangkok (Thailand); 613 p; ISBN 974-7399-78-4;
; 1992; p. 489-513; 4. Nuclear Science and Technology Conference; Bangkok (Thailand); 20-22 Oct 1992

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[en] The versatility of nuclear medicine is demonstrated by the wide range of dynamic and static studies that can be performed with a single instrument to examine the heart, skeleton, whole body, lungs, thyroid brain and kidneys. A wide range of disease and organ specific radiopharmaceuticals are available
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Source
Office of Atomic Energy for Peace, Bangkok (Thailand); 613 p; ISBN 974-7399-78-4;
; 1992; p. W65-W80; 4. Nuclear Science and Technology Conference; Bangkok (Thailand); 20-22 Oct 1992

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