960 resultados para Conventional Logging
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"January 1977."
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Appendix (p. A 1-A 11): Tables prepared by the Bureau of Labor Statistics.
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Mode of access: Internet.
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This case study reports the post-harvest qualities of conventionally versus organically grown banana fruit from nearby plantations in the Dominican Republic. The comparison involved six repeated harvests over the transition from cooler to hotter seasons. Green mature Cavendish 'Grande Naine' banana fruit were shipped to the UK. They were triggered to ripen with ethylene gas and kept under simulated retail conditions. Fruit mass, colour, firmness and flavour parameters were measured every second day over 12 d of shelf life. Sensory comparisons were conducted on four of the six harvest times. Significant differences (P<0.05) in measured quality attributes between conventionally and organically grown fruit were few and marginal. Moreover, any differences were inconsistent across harvest-times and during shelf life. Thus, organically and conventionally grown product had almost identical qualities. Sensory comparison confirmed that there was no flavour difference. This case study provides data that challenge a general perception that organic bananas have better flavour than conventional bananas.
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Socially responsible investment is a rapidly emerging phenomenon within the field of personal investment. However, the factors that lead investors to choose socially responsible investment products are not well understood, especially in an Australian context. This study provides a comparative examination of conventional and socially responsible investors, with the aim of identifying such factors. A total of 55 conventional investors and 54 ethical investors participated in the study by completing mailed questionnaires about their investment and general behaviour and their attitudes and beliefs. Results indicated some important differences between socially responsible and conventional investors in their beliefs of the importance of ethical issues, their investment decision-making style, and their perceptions of moral intensity. These results support the notion that socially responsible investors differ in critical ways to conventional investors, and are discussed in terms of theoretical and practical implications.
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Immunotherapy strategies aimed at increasing human Valpha24(+)Vbeta11(+) natural killer T (NKT) cell numbers are currently a major focus. To provide further information towards the goal of NKT cell-based immunotherapy, we assessed the effects of age, cancer status and prior anticancer treatment on NKT cell numbers and their expansion capacity following alpha-galactosylceramide (alpha-GalCer) stimulation. The percentage and absolute number of peripheral blood NKT cells was assessed in 40 healthy donors and 109 solid cancer patients ( colorectal ( n = 33), breast ( n = 10), melanoma ( n = 17), lung ( n = 8), renal cell carcinoma ( n = 10), other cancers ( n = 31)). Responsiveness to alpha-GalCer stimulation was also assessed in 28 of the cancer patients and 37 of the healthy donors. Natural killer T cell numbers were significantly reduced in melanoma and breast cancer patients. While NKT numbers decreased with age in healthy donors, NKT cells were decreased in these cancer subgroups despite age and sex adjustments. Prior radiation treatment was shown to contribute to the observed reduction in melanoma patients. Although cancer patient NKT cells were significantly less responsive to alpha-GalCer stimulation, they remained capable of substantial expansion. Natural killer T cells are therefore modulated by age, malignancy and prior anticancer treatment; however, cancer patient NKT cells remain capable of responding to alpha-GalCer-based immenotherapies.
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Background: The 'ease of use' andaccuracy in measurement of the vertical optic cup/discratio (VCDR) was compared between the conventional direct ophthalmoscope(CO) and Panoptic direct ophthalmoscope (PO) in a group of 'naive' firstyear medical students to determine which would be more suitablefor non-ophthalmologists. Methods: In this quasi-randomized method comparison study,eight students received an introductory session on ophthalmoscopythen examined 18 eyes (9 left, 9 right) with each ophthalmoscopein a private practice. The subjects were the eight students themselvesplus two other subjects. Each subject (n = 10)had one eye dilated. Students determined a VCDR and a subjectivescore of 'ease of use' on a scale of 1 (difficult)to 10 (easy). A consultant ophthalmologist (GAG) determined thebenchmark VCDR for each eye with each ophthalmoscope. Results: Of 288 eye examinations, there were 111 measure-ments of VCDR using the CO (47 undilated, 64dilated), and 140 measurements using the PO (75 undilated, 65 dilated).Differences in the students' estimated VCDR and the benchmarkwere similar for the CO and PO (P = 0.67). 'Easeof use' was scored in 288 eyes and the median score washigher in the PO overall (CO: median 8, IQR 6-9; PO median9, IQR 8-10; P < 0.0001), andwithin each session (P < 0.0001 foreach session). Conclusions: Medical students found the PO mucheasier to use, with accuracy of rating the VCDR similar to the CO. Thiscomparison would support the wider use of the PO amongst medicalstudents, general practitioners and other primary care providers.