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Assessment of laccase activity synthesized by Basidiomycota fungi in the presence of wood impregnated with creosote oil 木酚油浸渍下担子菌合成漆酶活性的研究
Pub Date : 2022-12-28 DOI: 10.5604/01.3001.0016.2169
I. Betlej, B. Andres, D. Chludzińska, Paulina Olszewska, Ewa Pach
Assessment of laccase activity synthesized by Basidiomycota fungi in the presence of wood impregnated with creosote oil. The article presents the results of the assessment of laccase activity, synthesized by fungi causing white decomposition of wood in the presence of wood samples impregnated with creosote oil in the growth environment. The obtained results indicate that the creosote oil contained in wood modulates the activity of this enzyme. Creosote oil definitely stimulates the cells of the T. versicolor fungus to induce laccase synthesis, which may be of great practical importance in terms of the possibility of designing a biotechnological method of biodegradation of pollutants, including contaminants in the form of impregnated wood waste.
木酚油浸渍下担子菌合成漆酶活性的研究。本文介绍了在木样浸渍杂酚油的生长环境下,由真菌引起木材白色分解合成的漆酶活性的评价结果。结果表明,木材中所含的杂酚油可调节该酶的活性。杂酚油肯定会刺激T. versicolor真菌的细胞诱导漆酶合成,这对于设计一种生物降解污染物的生物技术方法,包括浸渍木材废料形式的污染物,可能具有重要的实际意义。
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引用次数: 0
Selected aspects of production and characterization of layered biopolymer composite bonded with a cellulose-based binder 用纤维素基粘合剂粘合的层状生物聚合物复合材料的生产和表征的选择方面
Pub Date : 2022-10-30 DOI: 10.5604/01.3001.0016.0519
Julia Dasiewicz, Ggrzegorz Kowaluk
Selected aspects of production and characterization of layered biopolymer composite bonded with a cellulose-based binder. This project aimed to study the possibility of using regenerated cellulose for gluing a layered composite. In the scope of research have been produced different variants of layered composite differ in wood species and pressing time. The produced composite has been characterized according to selected mechanical and physical properties. The prepared samples have been referred to as those bonded with industrial MUF resin. Obtained results proved that regenerated cellulose can be used as a bonding agent. Furthermore, the tests confirmed an improvement in mechanical and physical properties after the bonding of the regenerated cellulose.
用纤维素基粘合剂粘合的层状生物聚合物复合材料的生产和表征的选择方面。本项目旨在研究使用再生纤维素粘合层状复合材料的可能性。在研究范围内已经产生了不同种类的层状复合材料,不同的木材种类和压制时间。根据所选的机械和物理性能对所制备的复合材料进行了表征。所制备的样品被称为与工业MUF树脂粘合的样品。实验结果表明,再生纤维素可以作为粘结剂。此外,试验证实了再生纤维素粘接后的机械和物理性能的改善。
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引用次数: 3
Internationalization strategies and instruments of competition - Polish furniture companies on the foreign market 国际化战略与竞争手段——波兰家具企业对外市场
Pub Date : 2022-09-30 DOI: 10.5604/01.3001.0016.1868
E. Grzegorzewska, R. Stasiak-Betlejewska
Internationalization strategies and instruments of competition - Polish furniture companies on the foreign market. Despite the global economic situation related to the COVID-19 pandemic, the Polish furniture industry is still a dynamically developing branch of the national economy of Poland. One of the most important paths in the development of this industry is still internationalization. The aim of the article was to define the internationalization strategies of Polish furniture enterprises, as well as to indicate the instruments of competition used by these companies on the foreign market. Empirical research was carried out in a group of 100 medium and large furniture enterprises conducting export activity. The research identified the most frequently used internationalization strategies by furniture companies, identified the most effective strategies, and identified competition instruments of the greatest importance for Polish furniture manufacturers. The research showed that ethnocentric strategy is most often used in the furniture industry. This strategy is the most effective. Regardless of the size of the enterprise, the quality of products was recognized by the respondents as the most important instrument of competition on the external market.
国际化战略与竞争手段——波兰家具企业对外市场。尽管全球经济形势与COVID-19大流行有关,但波兰家具行业仍然是波兰国民经济中一个动态发展的分支。该行业发展最重要的路径之一仍然是国际化。本文的目的是明确波兰家具企业的国际化战略,并指出这些企业在国外市场上使用的竞争手段。实证研究是在100家从事出口活动的大中型家具企业中进行的。该研究确定了家具公司最常用的国际化策略,确定了最有效的策略,并确定了波兰家具制造商最重要的竞争工具。研究表明,民族中心战略最常用于家具行业。这个策略是最有效的。无论企业规模大小,产品质量都被受访者认为是外部市场上最重要的竞争工具。
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引用次数: 0
Analysis of the wood properties of Dicorynia guianensis Amsh. in the context of using in outdoor architecture 桂枝双荆的木材特性分析。在户外建筑使用的背景下
Pub Date : 2022-09-30 DOI: 10.5604/01.3001.0016.1768
Adrianna Ligęza, A. Jankowska
Analysis of the wood properties of Dicorynia guianensis Amsh. in the context of using in outdoor architecture. This article deals with the analysis angélique wood (Dicorynia guianensis Amsh.) properties to verify suitability for use in the arrangement of external architecture such as the construction of terraces. Particularly, tests included determination of hardness by the Brinell method and total and partial shrinkage. The presented characteristic of properties was complemented by the analysis of wood colour stability during exposition to natural weathering factors for six months. Changes of particular colour parameters (lightness L*, chroma C*, hue h) were determine as well as the total colour change ΔE*. The colour stability was examined on untreated wood surface as well as on wood finished with clear and colouring oils. It was found that the angélique wood belongs to the group of very heavy wood (specific gravity 807 kg/m3) and is characterized by the favourable technical parameters, primarily the high hardness (average hardness 45,64 MPa). Furthermore, the angélique wood is the wood of average shrinkage (average total shrinkage 14,37%). Dimensional stability does not differ from the properties of wood commonly and successfully used for wooden external construction. The results showed that during external exposition angélique wood became darker. Using wood surface protection preparations such as oils resulted in the slowing down the weathering processes effects.
桂枝双荆的木材特性分析。在户外建筑使用的背景下。本文分析了angacimlique木材(diorynia guianensis Amsh.)的特性,以验证其在露台等外部建筑布置中的适用性。特别地,试验包括用布氏法测定硬度和总收缩率和部分收缩率。在暴露于自然风化因素下六个月的木材颜色稳定性分析补充了所呈现的特性特征。确定特定颜色参数(亮度L*,色度C*,色相h)的变化以及总颜色变化ΔE*。在未经处理的木材表面以及用透明和着色油处理的木材表面上检查了颜色稳定性。研究发现,anglique木材属于非常重的木材(比重807 kg/m3),其特点是具有良好的技术参数,主要是高硬度(平均硬度45,64 MPa)。此外,angsamlique木材是木材的平均收缩率(平均总收缩率14.37%)。尺寸稳定性与通常成功用于木制外部建筑的木材的性能没有区别。结果表明,外晒过程中,青木变暗。使用木材表面保护制剂,如油,产生减缓风化过程的效果。
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引用次数: 0
Comparison results of visual and machine strength grading of Scots pine sawn timber from the Greater Poland-Pomerania Forestry Region in Poland 来自波兰大波兰-波美拉尼亚林区的苏格兰松锯材的视觉和机器强度分级的比较结果
Pub Date : 2022-09-30 DOI: 10.5604/01.3001.0016.1632
Sławowmir Krzosek, Izabela Burawska-Kupniewska, P. Mańkowski
Comparison results of visual and machine strength grading of Scots pine sawn timber from the Greater Poland-Pomerania Forestry Region in Poland. The paper presents an analysis of the strength grading results performed by two methods – visual (appearance) and machine, carried out for sawn timber obtained from the Greater Poland-Pomerania Forestry Region in Poland. Visual strength grading was performed in accordance with PN-D-94021:2013, while the machine strength grading with the use of MTG device (Brookhuis Electronics BV). As a result of the tests, it was confirmed that a large part of timber batch (39%) was classified as a reject while visual grading, when the machine grading resulted in a very small share of sawn timber classified as rejects (only one piece). At the same time, during machine strength grading there was only one sawn timber piece that was not classified for any class or a reject. Based on its visual appearance, this timber element should be graded as reject.
来自波兰大波兰-波美拉尼亚林区的苏格兰松锯材的视觉和机器强度分级的比较结果。本文介绍了用视觉(外观)和机器两种方法对来自波兰大波兰-波美拉尼亚林区的锯材进行强度分级的结果分析。视觉强度分级按照PN-D-94021:2013进行,机器强度分级使用MTG装置(Brookhuis Electronics BV)。作为测试的结果,当机器分级导致很小一部分锯材被分类为次品(只有一块)时,确认了很大一部分木材批次(39%)在视觉分级时被分类为次品。同时,在机器强度分级过程中,只有一块锯材没有被分类为任何等级或废品。根据它的视觉外观,这种木材应该被分级为次品。
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引用次数: 0
Biobased building materials – directions and development prospects 生物基建材——方向与发展前景
Pub Date : 2022-09-30 DOI: 10.5604/01.3001.0016.1813
K. Wilk, I. Burawska
Biobased building materials – directions and development prospects. Market of building biomaterialsis a dynamically developing branch of the construction sector. The design of buildings and the use of building biomaterials should take into account all factors influencing biomaterials throughout the life cycle of an engineering facility, so that the building can be characterized by high strength and durability. Many political organizations and others promote ecological houses made of building biomaterials as future-proof solutions in construction sector. Building biomaterials are a basic element of green construction, they enable safe disposal, reuse and they are a storehouse of carbon dioxide, which is emitted in the production of conventional materials.Diversified directions of development of ecological and new building materials create potential prospects for their application. The main factor that limits this development is the conservativeness of the construction industry.
生物基建材——方向与发展前景。建筑生物材料市场是建筑领域一个动态发展的分支。建筑设计和建筑生物材料的使用应考虑到工程设施整个生命周期中影响生物材料的所有因素,从而使建筑具有高强度和耐久性的特点。许多政治组织和其他组织将建筑生物材料制成的生态房屋作为建筑行业的未来解决方案。建筑生物材料是绿色建筑的基本元素,它们可以安全处理和再利用,而且它们是二氧化碳的仓库,而二氧化碳是在生产传统材料时排放的。生态新型建材发展方向的多元化,为其应用创造了广阔的前景。限制这一发展的主要因素是建筑业的保守性。
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引用次数: 0
Suitability of apple tree bark as a natural source for cotton dyeing 苹果树皮作为棉花染色天然原料的适宜性
Pub Date : 2022-09-30 DOI: 10.5604/01.3001.0016.0818
Gabriela Radomska, A. Radomski
Suitability of apple tree bark as a natural source for cotton dyeing. The study of dyeing cotton fabric with apple bark extract with the use of mortars - inorganic aluminum, tin, iron and copper salts, moreover oxalic acid and without mortar. The color of the fabric was determined using the CIE L*a*b* system. The result was a yellow color of varying shades, ranging from lemon to warm, intense yellow. In the case of iron and copper, a significantly different color was obtained, dark khaki and rusty brown respectively. Color fastness tests were carried out using hot water, mineral acid, mild and hot washing, dry cleaning and natural exposure to sunlight. It has been found to have excellent resistance to dry cleaning and good to a gentle wash. Dyed fabric showed the weakest resistance to sunlight and to mineral acid.
苹果树皮作为棉花染色天然原料的适宜性。用无机铝、锡、铁、铜盐和草酸在不使用砂浆的情况下对苹果皮提取物棉织物进行染色的研究。织物的颜色采用CIE L*a*b*系统确定。结果是一种深浅不一的黄色,从柠檬黄到暖黄。在铁和铜的情况下,得到了明显不同的颜色,分别是暗卡其色和锈褐色。色牢度试验采用热水、无机酸、温和和热洗、干洗和自然暴露在阳光下进行。它已被发现有极好的抵抗干洗和良好的温和洗涤。染色织物对阳光和无机酸的抵抗力最弱。
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引用次数: 2
Status of Lean Manufacturing Practices and Its Influence on the Adoption of Industry 4.0 in the Malaysian Furniture Industry 精益生产实践的现状及其对马来西亚家具行业采用工业4.0的影响
Pub Date : 2022-09-30 DOI: 10.5604/01.3001.0016.0764
J. Ratnasingam
Status of Lean Manufacturing Practices and Its Influence on the Adoption of Industry 4.0 in the Malaysian Furniture Industry. Lean Manufacturing practices is being promoted throughout the manufacturing industry in the country to boost industrial productivity. Therefore, a study was carried out to determine the level of adoption, benefits, and challenges faced by furniture manufacturers in adopting LM. Further, it was also evaluated if LM facilitated the transition towards Industry 4.0 adoption. The questionnaire-based survey involved 484 furniture manufacturers, of large-size and SMEs. The results found that the adoption of LM was prevalent among large-sized companies, and LM improved product quality and customer satisfaction, while reducing manufacturing lead time in the companies. The 5S method of work place organization, process mapping and waste reduction and elimination were the most common LM tools adopted by the companies. On the other hand, the major challenges encountered when implementing LM were lack of know-how, backsliding to old work ways, and resistance to adopt among the employees. The result also revealed that companies practicing LM also suggested that they were more prepared to adopt Industry 4.0 technologies, as the practice of LM has not only reduced waste on the production shopfloor, but also improved the information flow that is important for digital tools of Industry 4.0.
精益生产实践的现状及其对马来西亚家具行业采用工业4.0的影响。精益生产实践正在全国制造业推广,以提高工业生产率。因此,进行了一项研究,以确定采用LM的家具制造商的采用水平,收益和面临的挑战。此外,还评估了LM是否促进了向工业4.0的过渡。问卷调查共涉及484家大型及中小型家具制造商。结果发现,LM的采用在大型公司中很普遍,LM提高了产品质量和客户满意度,同时减少了公司的制造交货时间。工作场所组织的5S方法、流程映射和减少和消除浪费是企业最常用的LM工具。另一方面,在实施LM时遇到的主要挑战是缺乏专业知识,退回到旧的工作方式,以及员工之间的抵制。结果还显示,实施LM的公司也表示,他们更愿意采用工业4.0技术,因为LM的实践不仅减少了生产车间的浪费,而且改善了对工业4.0数字工具很重要的信息流。
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引用次数: 1
The influence of densification time on the tensile strength and modulus of elasticity of birch veneers 致密化时间对桦木单板抗拉强度和弹性模量的影响
Pub Date : 2022-07-25 DOI: 10.5604/01.3001.0016.0488
Adam Słupecki, Anita Wronka
The influence of densification time on the tensile strength and modulus of elasticity of birch veneers. The aim of the following study was to examine and compare tensile strength, modulus of elasticity, and thickness of birch (Betula pendula Roth) veneers modified by thermomechanical densification. Birch veneers were densified at the temperature of 100 °C at different times (ranges from 10 to 60 minutes). Tensile strength was tested longitudinally to the grain. As a result of this study change in tensile strength was observed for 60 minutes of densification. The rise in modulus of elasticity was also observed for 10, 20, 30, 50, and 60 minutes. The thickness of wooden veneers was changed significantly for each densification time
致密化时间对桦木单板抗拉强度和弹性模量的影响。以下研究的目的是检查和比较抗拉强度,弹性模量和厚度的桦木(桦树)单板修改的热机械致密化。桦木单板在100°C的温度下,在不同的时间(范围从10到60分钟)致密化。纵向测试拉伸强度。由于这项研究的结果,在60分钟的致密化中观察到拉伸强度的变化。弹性模量的上升也观察到10,20,30,50和60分钟。木单板的厚度在每次致密化时间内都有明显的变化
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引用次数: 1
Social factors affecting consumer decisions during purchasing furniture in Poland. 影响波兰消费者购买家具决策的社会因素。
Pub Date : 2022-07-25 DOI: 10.5604/01.3001.0015.9775
Adrianna Balicka, M. Niedbała
Social factors affecting consumer decisions during purchasing furniture in Poland. The aim of this study was to analyse social factors affecting consumer decisions during purchasing furniture in Poland. Currently, it is very important to understand purchasing behaviour for the purpose of developing marketing strategy for better understanding of customer needs. The situation on Polish furniture market is dynamically changing and there is a need to determine how customers make decisions. In order to find those factors a survey of 1272 respondents was carried out. Survey was conducted during March to May 2022 in Śląskie Voivodeship. The questions asked were focused to areas such as: product quality, comfort of furniture use, design and costs. Obtained results were compared and significant correlation was observe between demographic and economic factors and purchasing decisions among respondents.
影响波兰消费者购买家具决策的社会因素。本研究的目的是分析影响波兰消费者购买家具决策的社会因素。目前,了解购买行为对于制定营销策略以更好地了解客户需求是非常重要的。波兰家具市场的情况是动态变化的,有必要确定客户如何做出决定。为了找到这些因素,对1272名受访者进行了调查。调查于2022年3月至5月在Śląskie Voivodeship进行。被问及的问题集中在产品质量、家具使用舒适度、设计和成本等方面。对所得结果进行比较,发现人口、经济因素与被调查者的购买决策之间存在显著的相关关系。
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引用次数: 0
期刊
Annals of WULS, Forestry and Wood Technology
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