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Bulletin of the Transilvania University of Brasov, Series II: Forestry, Wood Industry, Agricultural Food Engineering最新文献

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Experimental Study in a Pneumatic Microbiocature Separator with Apparatus Camera 气动微生物分离器的实验研究
Q3 Agricultural and Biological Sciences Pub Date : 2020-01-29 DOI: 10.31926/but.fwiafe.2019.12.61.1.10
I. Rogovskii, L. Titova, V. Trokhaniak, O. Trokhaniak, S. Stepanenko
In the article the analysis of existing designs of flat-row separators is carried out. Hypotheses are put forward, which allow to eliminate existing disadvantages of constructions. Their essence is reduced to the feeding of grain perpendicular to the direction of air flow. This is provided by the slope of the walls of the aspiration canal at an angle close to 45°, so that the aspiration channel acquires the shape of a truncated hollow cone, coaxially inside a scattered installed, in the form of a truncated cone, which is turned with a larger base upward. The equation of regression of efficiency and clarity of the process of pneumatic separation from the regime parameters of the aspiration chamber is obtained. The regression equation of the purification and precipitation of light impurities has been obtained by an improved aspiration chamber.
本文对现有的平排分离器的设计进行了分析。提出了一些设想,以期消除建筑中存在的弊端。它们的本质是垂直于气流方向的谷物供给。这是由抽吸通道壁以接近45°的角度倾斜提供的,因此抽吸通道获得截头空心锥的形状,在分散安装的内部同轴,截头锥的形式,向上转动较大的底座。从抽吸室的状态参数中获得了气动分离过程的效率和清晰度的回归方程。通过改进的抽吸室,得到了轻杂质的净化和沉淀的回归方程。
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引用次数: 17
Operational Requirements and Preferences Towards Forwarder Technology 对货运代理技术的操作要求和偏好
Q3 Agricultural and Biological Sciences Pub Date : 2020-01-29 DOI: 10.31926/BUT.FWIAFE.2019.12.61.1.1
S. A. Borz, D. Rommel, M. Ziesak, G. Vasiliauskas, Forst und Lebensmittelwissenschaften Berner Fachhochschu Agrar
Forwarders are expensive machines that fulfil the operational needs of a limited pool of customers, therefore innovation in this kind of technology needs to be pushed and sustained by the market demand. This study analysed the requirements and preferences of forwarder users in five European countries by means of a questionnaire structured on issues such as performance requirements, market analysis and innovation potential. Expectations for the future forwarder technology are related to uncertainties stemming from the operational and regulatory environments. Machine flexibility as well as acceptable purchasing and operating costs could be the solution expected by customers. These parameters are supported by the modular approach of the Forwarder 2020 project which enables customers to adapt the technology to their needs.
货运代理是昂贵的机器,只能满足有限客户的运营需求,因此这种技术的创新需要由市场需求推动和维持。本研究通过问卷调查的方式分析了五个欧洲国家的货代用户的需求和偏好,问卷调查的内容涉及绩效要求、市场分析和创新潜力等问题。对未来货代技术的期望与源于运营和监管环境的不确定性有关。机器的灵活性以及可接受的采购和运营成本可能是客户期望的解决方案。这些参数由Forwarder 2020项目的模块化方法支持,使客户能够根据自己的需求调整技术。
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引用次数: 7
Comparative Assessment of The Biocidal Potential of 3 Essential Oils 3种精油生物杀灭潜力的比较评价
Q3 Agricultural and Biological Sciences Pub Date : 2020-01-29 DOI: 10.31926/but.fwiafe.2019.12.61.1.7
D. Pop, M. Timar, A. Varodi
Essential oils can be used as wood preservatives with antifungal properties. These kinds of products can be considered potential ecological wood preservatives for special applications, such as furniture conservation. The present paper refers to a laboratory screening test designed to allow a quick and reliable evaluation of the potential biotical effect of 3 types of essential oils. The tested products were: basil (Ocimum Basilicum), thyme (Thymus vulgaris), and oregano (Origanum vulgare) essential oils at 4 different concentrations. Two types of fungi were employed as biological material: a white rot (Trametes versicolor) and a brown rot (Postia placenta). Oregano and thyme essential oils demonstrated biocidal effect against both tested fungi, being more active against brown rot than white rot. This effect depends on the concentration of the essential oils. The biocidal potential of basil essential oil is very low.
精油可以用作具有抗真菌特性的木材防腐剂。这些类型的产品可以被认为是潜在的生态木材防腐剂的特殊应用,如家具保护。本文介绍了一种实验室筛选试验,旨在对3种精油的潜在生物效应进行快速可靠的评价。受试产品为:罗勒(Ocimum Basilicum)、百里香(thyymus vulgaris)和牛至(Origanum vulgare)四种不同浓度的精油。两种真菌被用作生物材料:一种是白腐菌(Trametes versicolor),一种是褐腐菌(Postia胎盘)。牛至和百里香精油对两种测试真菌都有杀生物作用,对褐腐病比白腐病更有效。这种效果取决于精油的浓度。罗勒精油的杀菌潜力很低。
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引用次数: 2
Comparative Study of Furniture Styles from the Qing Dynasty 清代家具风格比较研究
Q3 Agricultural and Biological Sciences Pub Date : 2020-01-29 DOI: 10.31926/BUT.FWIAFE.2019.12.61.1.6
Mihaela Liu, Xinyou Liu, Wu Zhihui, Lv Jiufang
Traditional Chinese furniture is a valuable part of the world cultural heritage. The Ming and Qing dynasties are considered golden ages of Chinese furniture history. Various furniture manufacturing centres with different regional styles appeared, especially after the reign of Emperor Qianlong. The paper presents a preliminary comparative study of the six main styles of Qing furniture. These analysed data of cultural background, materials used, and modelling of different styles offer readers a better understanding of traditional Chinese furniture, aiming to bring a contribution to the relevant scientific information needed for the identification, conservation, and restoration of historic Chinese furniture.
中国传统家具是世界文化遗产的宝贵组成部分。明清两朝被认为是中国家具史上的黄金时代。特别是乾隆以后,出现了各种不同地域风格的家具制造中心。本文对清代家具的六种主要风格进行了初步的比较研究。这些对文化背景、所用材料和不同风格造型的分析数据使读者更好地了解中国传统家具,旨在为中国历史家具的鉴定、保护和修复提供所需的相关科学信息。
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引用次数: 1
Known and Newly Documented uses of Rainforest Plant Species in the Pastaza Region, Ecuador 厄瓜多尔帕斯塔萨地区已知和新记录的雨林植物物种的利用
Q3 Agricultural and Biological Sciences Pub Date : 2020-01-29 DOI: 10.31926/but.fwiafe.2019.12.61.1.3
A. V. G. Montoya, Danny D. Castillo, Vizuete, C. B. R. Yepez, M. Marcu
Knowing the uses of forest plant species is important for the conservation and sustainable use of forest ecosystem provisioning services. Based on an extensive literature survey, this paper reviews the uses of 540 rainforest species from the Pastaza region (Ecuador) and builds further the existing knowledge by field research that identified 39 new uses of local rainforest plants. Following a systematic categorization of the known and newly identified uses, it was found that the local plants are predominantly used as materials, medicines and foods (>80% of the sample), while the tree species dominate in various categories of local uses. The information given in this paper may help in building a local strategy for the sustainable use of plants and the conservation of endangered species, as well as in valuing the forest ecosystem provisioning services.
了解森林植物物种的利用对森林生态系统供应服务的保护和可持续利用具有重要意义。本文在大量文献调查的基础上,回顾了厄瓜多尔帕斯塔萨地区540种热带雨林植物的利用情况,并通过实地研究进一步建立了现有知识,确定了39种热带雨林植物的新用途。在对已知和新发现的用途进行系统分类后,发现当地植物主要用作材料、药物和食品(约占样本的80%),而树种在当地各种用途中占主导地位。本文提供的信息可能有助于制定可持续利用植物和保护濒危物种的当地战略,以及评价森林生态系统提供服务的价值。
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引用次数: 2
Stakeholders’ Interests and Roles in the Context of Secondary Norway Spruce Forest Conversion: Ukrainian Carpathians Case Study 挪威次生云杉林转换背景下利益相关者的利益和作用:乌克兰喀尔巴阡山脉案例研究
Q3 Agricultural and Biological Sciences Pub Date : 2020-01-29 DOI: 10.31926/but.fwiafe.2019.12.61.1.5
Oksana Pelyukh, Lyudmyla Zahvoyska, L. Maksymiv, A. Paletto, Wood
The investigation of stakeholders’ relationships is a crucial aspect of collective action in natural resource governance as well as in the participatory process to involve all groups of interests in sustainable forest management. The paper aims to identify and analyze stakeholders’ interests and roles in the context of secondary spruce forest conversion in the Ukrainian Carpathians. The research is structured into three steps: (1) identification of stakeholders; (2) questionnaire survey; and (3) data processing to analyze the stakeholders’ interests and roles. The results show that almost all stakeholders mainly receive benefits rather than losses from the secondary spruce forest conversion. Seven potential “supporters” and six potential “opponents” were identified. The most impacted groups of stakeholders are harvesting enterprises, wood processing enterprises, and users of forest products. The results obtained provide support for the forest policy formulation aimed at implementing sustainable forest management in the Ukrainian Carpathians context.
对利益相关者关系的调查是自然资源治理集体行动的一个重要方面,也是让所有利益集团参与可持续森林管理的参与性进程的一个重要方面。本文旨在确定和分析乌克兰喀尔巴阡山脉次生云杉林转换背景下利益相关者的利益和作用。本研究分为三个步骤:(1)利益相关者识别;(2)问卷调查;(3)数据处理,分析利益相关者的利益和角色。结果表明,次生云杉林改造对各利益相关方的收益大于损失。确定了7名潜在的“支持者”和6名潜在的“反对者”。受影响最大的利益相关者群体是采伐企业、木材加工企业和林产品用户。所取得的结果为制订旨在在乌克兰喀尔巴阡山脉实施可持续森林管理的森林政策提供了支助。
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引用次数: 2
Economic Basis of Forming and Implementation of the Biofuel Production Potential in Ukraine 乌克兰生物燃料生产潜力形成和实施的经济基础
Q3 Agricultural and Biological Sciences Pub Date : 2020-01-29 DOI: 10.31926/but.fwiafe.2019.12.61.1.4
A. Hutorov, Y. Lupenko, V. V. Posylaiev, O. Dorokhov, O. Yermolenko
It is shown that economic growth is impossible without a balanced innovative development of the main sectors of the national economy, the introduction of energy-saving technologies for the production of competitive products. Methodological research basis is the dialectic method of knowledge, the system approach to studying the initial methodological preconditions of forming and implementation of the biofuel production potential in Ukraine, the fundamental positions of economic theory and the groundwork of scientists. In its process, methods such as theoretical generalization, system analysis, synthesis, balanced calculations, computation, and constructive were applied. The economic base of forming and implementing the potential of biofuel production in Ukraine are systematized. The trends of the energy intensity of the gross domestic product in Ukraine and in certain regions of the world are investigated. The cause-effect relationships of the high energy intensity of Ukraine’s GDP and the low energy efficiency are determined. On the basis of energy balances, the dynamics of production of biofuels and energy-intensive wastes are analyzed. The theoretical, technical and economic potentials of biomass suitable for the production of biofuels are determined. The structure and dynamics of the biofuel production potentials are analyzed, the investment support of the implementation of the energy potential of biomass in Ukraine is shown. Must to be taken substantiated measures for effective development of the biofuel production potential in Ukraine.
研究表明,如果没有国民经济主要部门的平衡创新发展,没有节能技术的引进,生产有竞争力的产品,经济增长是不可能的。方法论研究的基础是知识的辩证法,研究乌克兰生物燃料生产潜力形成和实现的初始方法论前提的系统方法,经济理论的基本立场和科学家的基础。在此过程中,运用了理论概括、系统分析、综合、平衡计算、计算、构造等方法。在乌克兰形成和实施生物燃料生产潜力的经济基础是系统化的。对乌克兰和世界某些地区国内生产总值的能源强度趋势进行了调查。确定了乌克兰GDP能源强度高与能源效率低的因果关系。在能量平衡的基础上,分析了生物燃料和能源密集型废物生产的动态。确定了适合生产生物燃料的生物质的理论、技术和经济潜力。分析了生物燃料生产潜力的结构和动态,展示了在乌克兰实施生物质能源潜力的投资支持。必须采取切实措施,有效开发乌克兰的生物燃料生产潜力。
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引用次数: 3
Aromatic Compounds Valuable in Identifying Local Varieties of Kefir 芳香化合物在鉴别当地开菲尔品种中的价值
Q3 Agricultural and Biological Sciences Pub Date : 2020-01-29 DOI: 10.31926/but.fwiafe.2019.12.61.1.11
M. Tita, E. Lengyel, M. Panaitescu, L. Tamošaitienė, C. Popovici
This paper attempts to analyze the range of five types of kefir aromatic presence in Romania, particularly aiming at the concentration of higher alcohols, aldehydes, ketones, esters and carboxylic acids. GC-MS methods used have led to results which gives the aromatic characteristics of these products vary according to the manufacturer, the resulting values being situated between 230.4567 mg / L and 345.2267 mg / L higher alcohol, 235.6722 mg / L and 398.9604 mg / L to aldehydes, 130.9861 mg / L and 162.2452 mg / L ketones, 439.0863 mg / L and 463.2015 mg / L esters and 291.7619 mg / L and 333 1917 mg / L for carboxylic acids. Flavorings results in these samples are conferred majority of the metabolic activity of the microorganisms involved in the production of Kefir and the recipe used by the manufacturer default fat concentration of the product.
本文试图分析罗马尼亚存在的五种开菲尔芳香族的范围,特别是针对高级醇、醛、酮、酯和羧酸的浓度。所使用的GC-MS方法得出的结果表明,这些产品的芳香特征因制造商而异,所得值在230.4567 mg/L和345.2267 mg/L之间,在235.6722 mg/L和398.9604 mg/L之间为高级醇,在130.9861 mg/L和162.2452 mg/L之间为酮,439.0863 mg/L和463.2015 mg/L的酯和291.7619 mg/L和333 1917 mg/L的羧酸。这些样品中的风味结果被赋予了参与开菲尔生产的微生物的大部分代谢活性,以及制造商使用的配方默认的产品脂肪浓度。
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引用次数: 0
Strategic Imperatives of Institutional Development of Organic Market 有机市场制度发展的战略要求
Q3 Agricultural and Biological Sciences Pub Date : 2020-01-29 DOI: 10.31926/but.fwiafe.2019.12.61.1.8
R. Bezus, I. Bilotkach, L. Kurbatska, S. Koberniuk, I. Kadyrus
The paper studied the institutional development of organic products market in Ukraine. The relevance of the study of the development of Ukrainian organic agricultural market is explained with the necessity to create the preconditions for economic strategies in agriculture and strengthening the competitiveness of domestic producers both on a national and world markets. The aim of the article is to make a definitive analysis of the institutional imperatives of the economic development and the definition of institutional factors in effective mechanism of production, distribution, and consumption of organic agricultural products. The concept of the institutional imperatives of the organic agricultural market's development was determined. Conducted study allowed to conclude that the strategic imperatives of the Ukrainian organic market development are concentrated both in the sphere of the regulation mechanism of organic agro-industrial production and in the production of organic agricultural products.
本文研究了乌克兰有机产品市场的制度发展。对乌克兰有机农业市场发展研究的相关性进行了解释,认为有必要为农业经济战略和加强国内生产商在国家和世界市场上的竞争力创造先决条件。本文的目的是对经济发展的制度要求以及有机农产品生产、分配和消费的有效机制中制度因素的定义进行明确的分析。确定了有机农业市场发展的体制必要性的概念。进行的研究得出结论,乌克兰有机市场发展的战略重点集中在有机农产工业生产的监管机制领域和有机农产品生产领域。
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引用次数: 0
Which Silvicultural Measures Are Recommended to Adapt Forests to Climate Change? A Literature Review 建议采取哪些造林措施使森林适应气候变化?文献综述
Q3 Agricultural and Biological Sciences Pub Date : 2020-01-29 DOI: 10.31926/but.fwiafe.2019.12.61.1.2
C. Coșofreț, L. Bouriaud
Climate change is a challenge for forest managers and owners. The trees regenerated in forest stands today will have to cope with changing conditions during their lifetime. Adaptive forest management includes a large variety of silvicultural measures: changes in species composition by converting monocultures to mixed forests, changes in forest structure, intensified thinning, or the reduction of rotation time. The aim of this review is to highlight the silvicultural measures and practices that have been recommended for adaptation to climate change, and to apply Bolte’s classification of adaptation strategies in order to identify which type of strategy is recommended in the literature. The literature review shows that active adaptation strategy tends to dominate as compared with passive adaptation or forest conservation measures. On the other hand, active adaptation with intensified thinning, shorter rotation periods, and change in the forest structure presents the risk of being rejected by a part of society for which climate change adaption should be a natural process. In addition, the current policy framework may limit the freedom of active adaptation measures.
气候变化是森林管理者和所有者面临的挑战。今天在森林中再生的树木在其一生中必须应对不断变化的环境。适应性森林管理包括各种各样的造林措施:通过将单一栽培转变为混交林来改变物种组成、改变森林结构、加强间伐或减少轮作时间。本综述的目的是突出推荐的适应气候变化的造林措施和实践,并应用Bolte的适应策略分类,以确定文献中推荐的策略类型。文献综述表明,与被动适应或森林保护措施相比,主动适应策略往往占主导地位。另一方面,随着间伐加剧、轮作周期缩短和森林结构变化的积极适应,可能会遭到社会中一部分人的拒绝,而对这些人来说,气候变化适应本应是一个自然过程。此外,目前的政策框架可能限制主动适应措施的自由。
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引用次数: 6
期刊
Bulletin of the Transilvania University of Brasov, Series II: Forestry, Wood Industry, Agricultural Food Engineering
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