共查询到18条相似文献,搜索用时 46 毫秒
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探究了近红外光谱法快速测定调味料酒中酒精度含量的方法。采用基于近红外光谱技术的酒精分析仪,以料酒为研究对象,确定近红外光谱法的可行性。分别采用该方法与酒精计法对料酒的酒精度进行测定,为降低两种方法间的偏差,建立了近红外光谱法测定料酒酒精度的快速定量模型,成品样品采用修正系数0.974 4进行校正,半成品样品依据仪器示值结果,无需校正。研究结果表明,模型的测定结果很好,具有较高的精密度和稳定性。近红外光谱法可用于检测料酒酒精度,为料酒酒精度的测定提供了快速检测方法。 相似文献
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近红外光谱技术在宁夏枸杞子产地鉴别中的应用研究 总被引:2,自引:0,他引:2
利用近红外光谱技术对宁夏、新疆、青海、内蒙的4个不同产地427份枸杞子样品进行光谱扫描。在主成分分析基础上利用判别分析法,在4500-9000 cm-1光谱波数范围内,光谱经用二阶导数,Norris derivative filt-5点平滑的预处理方法建立判别模型。结果表明:利用该模型可以将宁夏产地枸杞子与其他三地分开,且宁夏产地分别于新疆、内蒙、青海产地比较,判别准确率分别为98.3%、98.1%、97.9%。表明该方法在枸杞子产地识别中具有可行性,能够满足宁夏产地枸杞子的鉴别需求。 相似文献
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本文主要探索近红外光谱分析技术在我国大米检测中的具体应用情况,分析、阐述相关知识和相关原理,以促进我国食品、技术的安全发展。 相似文献
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近红外光谱技术在食品检测与质量控制中的应用 总被引:1,自引:0,他引:1
随着人们生活水平的提高,食品安全问题受到广泛的重视,食品检测方法成为近年来食品质量控制中的研究热点。近红外光谱分析技术凭借快速、无损、方便可靠等优点,在食品检测领域获得了广泛的应用,成为食品质量检测的新手段。基于此,重点分析近红外光谱分析技术在肉质食品、乳制品和水果蔬菜中的应用。 相似文献
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Marlete Beatriz Maçaneiro Sieglinde Kindl da Cunha Zandra Balbinot 《Latin American Business Review》2013,14(3-4):179-208
ABSTRACT This study analyzes the production of knowledge in the field of eco-innovation, checking its state of the art in order to discuss topics of future research. Specifically, it assesses the pulp, paper, and paper products industry in Brazil in order to examine the drivers of the adoption of eco-innovation strategies. The study is essentially a review of the literature, with a methodology based on exploratory research, and using the documental and bibliographical qualitative method. The empirical research was based on a quantitative approach using the strategy of a cross-sectional survey by means of a self-administered online questionnaire. It was verified that the studies related to eco-innovation are still preliminary and that the subject lacks specific research with empirical data from survey and in-depth case studies. The following topics were checked for studies on innovation in environmental issues on conceptual and theoretical discussion; models and indicators for evaluating the eco-innovation; types; and political arguments for their development, with the proposition of research lines within this context. The results of the empirical research allow us to conclude that factors such as environmental regulation, the use of environmental incentives and innovation, reputation effects, top management support, technological expertise, and environmental formalization in the context of domestic enterprises are crucial to the adoption of eco-innovation. Further, the higher the extent to which companies embrace an environmental and innovative culture, the greater the internalization of eco-innovative practices. 相似文献
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我国造纸业国际竞争力的实证分析与发展对策 总被引:8,自引:0,他引:8
本文通过测算1997—2002年的市场占有率、RCA指数、TC指数和MI指数,对我国造纸业的国际竞争力进行了评估和实证分析,得出了我国造纸业出口缺乏竞争力的结论。在分析我国造纸业发展现状和存在问题的基础上,提出了提升我国造纸业国际竞争力的对策与思路。 相似文献
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Rapid internationalisation enabled by the Internet: The case of a knowledge intensive company 总被引:1,自引:1,他引:0
Pia Arenius Viveca Sasi Mika Gabrielsson 《Journal of International Entrepreneurship》2005,3(4):279-290
In this paper we will show how knowledge intensive firms can quicken their internationalisation by using the Internet as a
sales channel. When properly applied the Internet can provide a way to decrease the effects of liability of foreignness and
resource scarcity, and herewith contribute to an increased speed of internationalisation. The focus of the empirical research
is on a Finnish knowledge intensive company and the development of its international operations and sales channels. The study
applies the longitudinal case study method when examining in-depth the development of Futuremark Corporation for a period
of five years. 相似文献
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