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The Efficiency of Different Wood Coatings against Water Surface Absorption 全文
2021
Iejavs, Jānis | Ruļuks, Oskars | Laiveniece, Laura | Jakovļevs, Vilnis | Pugovičs, Kārlis | Liše, Sigita | Spulle, Uldis
The Efficiency of Different Wood Coatings against Water Surface Absorption 全文
2021
Iejavs, Jānis | Ruļuks, Oskars | Laiveniece, Laura | Jakovļevs, Vilnis | Pugovičs, Kārlis | Liše, Sigita | Spulle, Uldis
In the market of the Latvia different wood surface coating materials suitable for use in outdoor conditions are offered, but available information on the efficiency of these against direct water exposure is insufficient. For structural timber building elements, such as glued laminated timber (GLT), the surface coating should be applied taking into account technological, visual or colour changes (ISO 7724:1984) and – last, but not least – economic aspects are considered. Wood surfaces coated with coating materials, such as varnishes, paints, etc. can stabilize some properties such as movement of moisture content, dimensional changes and attack by microorganisms and fungi. The changes in the moisture content of timber may influence such important parameters as mechanical properties and the total life time of the structural timber elements. A study has been conducted with the aim of assessing the efficiency of coating materials used for wood protection against water absorption. In this study, six different commercial coating products used for the treatment of spruce (Picea Abies L. Karst.) and pine (Pinus Sylvestris L.) samples were tested. The efficiency of different coating substances was assessed using two modified test methods according to the standards EN 382-2 (1994) and EN 927-5 (2006), determining the surface water absorption after immersion in water for 24 h and the dynamics of water absorption of the glued laminated timber for 696 h kept in water. As a result of the study, it has been ascertained that organic solvent-based commercial coating products are more efficient against short-term and long-term wood water absorption compared to oil-based coating materials.
显示更多 [+] 显示较少 [-]The efficiency of different wood coatings against water surface absorption 全文
2021
Iejavs, J., Forest and Wood Products Research and Development Inst., Ltd., Jelgava (Latvia) | Ruluks, O., Forest and Wood Products Research and Development Inst., Ltd., Jelgava (Latvia) | Laiveniece, L., Forest and Wood Products Research and Development Inst., Ltd., Jelgava (Latvia) | Jakovlevs, V., Latvia Univ. of Life Sciences and Technologies, Jelgava (Latvia) | Pugovics, K., Latvia Univ. of Life Sciences and Technologies, Jelgava (Latvia) | Lise, S., Latvia Univ. of Life Sciences and Technologies, Jelgava (Latvia) | Spulle, U., Latvia Univ. of Life Sciences and Technologies, Jelgava (Latvia)
In the market of the Latvia different wood surface coating materials suitable for use in outdoor conditions are offered, but available information on the efficiency of these against direct water exposure is insufficient. For structural timber building elements, such as glued laminated timber (GLT), the surface coating should be applied taking into account technological, visual or colour changes (ISO 7724:1984) and – last, but not least – economic aspects are considered. Wood surfaces coated with coating materials, such as varnishes, paints, etc. can stabilize some properties such as movement of moisture content, dimensional changes and attack by microorganisms and fungi. The changes in the moisture content of timber may influence such important parameters as mechanical properties and the total life time of the structural timber elements. A study has been conducted with the aim of assessing the efficiency of coating materials used for wood protection against water absorption. In this study, six different commercial coating products used for the treatment of spruce (Picea Abies L. Karst.) and pine (Pinus Sylvestris L.) samples were tested. The efficiency of different coating substances was assessed using two modified test methods according to the standards EN 382-2 (1994) and EN 927-5 (2006), determining the surface water absorption after immersion in water for 24 h and the dynamics of water absorption of the glued laminated timber for 696 h kept in water. As a result of the study, it has been ascertained that organic solvent-based commercial coating products are more efficient against short-term and long-term wood water absorption compared to oil-based coating materials.
显示更多 [+] 显示较少 [-]Backwardness of Central and Eastern Europe as a Heritage of the Soviet Period 全文
2020
Ancans, Sandris
Backwardness of Central and Eastern Europe as a Heritage of the Soviet Period 全文
2020
Ancans, Sandris
The economy of Latvia lags behind economically developed nations approximately fourfold in terms of labour productivity in the tradable sector, which is the key constituent of a modern economy, thereby affecting future sustainable development in the entire country, including the rural areas. The economic backwardness is characteristic of the entire Central and Eastern Europe. This is the heritage of a communist regime that lasted for about half a century and the economic system termed a (centrally) planned economy or a command economy. However, such a term for the communist-period economy is not correct, as it does not represent the purpose it was created for. Accordingly, the paper aims to assess the effect of the communism period on the economic backwardness of the Central and Eastern European region of the EU. A planned economy that existed in all communist countries, with the exception of Yugoslavia, was not introduced to contribute to prosperity. It was intended for confrontation or even warfare by the communist countries under the guidance of the USSR against other countries where no communism regime existed, mostly Western world nations with their market economies. For this reason, it is not correct to term it a (centrally) planned economy or a command economy; the right term is a mobilised (war) economy. An extrapolation of a geometric progression for GDP revealed that during the half a century, Latvia as part of the USSR was forced to spend on confrontation with the West not less than EUR 17 bln. (2011 prices) or approximately one gross domestic product of 2011. The research aim of the paper is to assess the effect of the communism period on the economic backwardness of the Central and Eastern European region of the EU.
显示更多 [+] 显示较少 [-]Backwardness of Central and Eastern Europe as a heritage of the Soviet period 全文
2020
Ancans, S., Latvia Univ. of Life Sciences and Technologies, Jelgava (Latvia). Faculty of Economics and Social Development
The economy of Latvia lags behind economically developed nations approximately fourfold in terms of labour productivity in the tradable sector, which is the key constituent of a modern economy, thereby affecting future sustainable development in the entire country, including the rural areas. The economic backwardness is characteristic of the entire Central and Eastern Europe. This is the heritage of a communist regime that lasted for about half a century and the economic system termed a (centrally) planned economy or a command economy. However, such a term for the communist-period economy is not correct, as it does not represent the purpose it was created for. Accordingly, the paper aims to assess the effect of the communism period on the economic backwardness of the Central and Eastern European region of the EU. A planned economy that existed in all communist countries, with the exception of Yugoslavia, was not introduced to contribute to prosperity. It was intended for confrontation or even warfare by the communist countries under the guidance of the USSR against other countries where no communism regime existed, mostly Western world nations with their market economies. For this reason, it is not correct to term it a (centrally) planned economy or a command economy; the right term is a mobilised (war) economy. An extrapolation of a geometric progression for GDP revealed that during the half a century, Latvia as part of the USSR was forced to spend on confrontation with the West not less than EUR 17 bln. (2011 prices) or approximately one gross domestic product of 2011. The research aim of the paper is to assess the effect of the communism period on the economic backwardness of the Central and Eastern European region of the EU.
显示更多 [+] 显示较少 [-]Characteristics and Challenges of the Internet of Things in Entrepreneurship 全文
2020
Licite-Kurbe, Lasma | Chandramohan, Athul
Characteristics and Challenges of the Internet of Things in Entrepreneurship 全文
2020
Licite-Kurbe, Lasma | Chandramohan, Athul
The Internet of Things (IoT) is a computing concept that describes the idea of everyday physical objects being connected to the Internet and being able to identify themselves to other devices, and day by day it becomes popular in everyday life as well as in entrepreneurship. The IoT covers broad areas, including manufacturing, the health sector, agriculture, smart cities, security and emergencies among many others. The market for the industrial IoT is estimated to surpass 107 billion euros by 2021 and reach a compound annual growth rate of 7.3% as of 2020. The IoT makes an impact on all industries and provides benefits for various areas of business; however, business may be faced with some risks as well. The research aim is to analyse the benefits and risks of the IoT in entrepreneurship. The descriptive method, analysis and synthesis, the induction and deduction methods were used to achieve the aim. The research has revealed that the IoT can provide several opportunities for business in all fields of operations – marketing, logistics, accounting and human resource management. However, businesses may be faced with some challenges related to privacy and security, processing, analysis and management of data, as well as monitoring and sensing.
显示更多 [+] 显示较少 [-]Characteristics and challenges of the Internet of Things in entrepreneurship 全文
2020
Licite-Kurbe, L., Latvia Univ. of Life Sciences and Technologies, Jelgava (Latvia). Faculty of Economics and Social Development | Chandramohan, A., Latvia Univ. of Life Sciences and Technologies, Jelgava (Latvia). Faculty of Economics and Social Development
The Internet of Things (IoT) is a computing concept that describes the idea of everyday physical objects being connected to the Internet and being able to identify themselves to other devices, and day by day it becomes popular in everyday life as well as in entrepreneurship. The IoT covers broad areas, including manufacturing, the health sector, agriculture, smart cities, security and emergencies among many others. The market for the industrial IoT is estimated to surpass 107 billion euros by 2021 and reach a compound annual growth rate of 7.3% as of 2020. The IoT makes an impact on all industries and provides benefits for various areas of business; however, business may be faced with some risks as well. The research aim is to analyse the benefits and risks of the IoT in entrepreneurship. The descriptive method, analysis and synthesis, the induction and deduction methods were used to achieve the aim. The research has revealed that the IoT can provide several opportunities for business in all fields of operations – marketing, logistics, accounting and human resource management. However, businesses may be faced with some challenges related to privacy and security, processing, analysis and management of data, as well as monitoring and sensing.
显示更多 [+] 显示较少 [-]Trends in the Development of Organic Farming in Poland and Latvia Compared to the EU 全文
2020
Pawlewicz, Adam | Brodzinska, Katarzyna | Zvirbule, Andra | Popluga, Dina
Trends in the Development of Organic Farming in Poland and Latvia Compared to the EU 全文
2020
Pawlewicz, Adam | Brodzinska, Katarzyna | Zvirbule, Andra | Popluga, Dina
The development of organic farming is determined by many factors. On the one hand, it is an increase in demand for food produced in this production system, on the other it is a subsidy system for organic farming under the CAP. The purpose of the article is a comparative analysis of the direction of changes in the development of organic farming in Poland and Latvia compared to the EU in the years 2000-2017. Information was analysed on the organic farming i.e. the area of organic crops, the number of certified farms and organic retail sales, based on FIBL data from the years 2000–2017. An analysis of the trend of changes in organic farming in Poland and Latvia indicates that the development of organic farming in both countries has clearly accelerated after their accession to the EU and after covering organic farming by the CAP support system. However, the case of Poland is definitely different from the trend of changes in organic farming in Latvia and in the EU, where both the number of organic farms and their area increased, with the simultaneous development of the organic food market. There are many indications that mistakes were made in the organic farming subsidy system.
显示更多 [+] 显示较少 [-]Trends in the development of organic farming in Poland and Latvia compared to the EU 全文
2020
Pawlewicz, A., University of Warmia and Mazury in Olsztyn (Poland). Dept. of Agrotechnology, Agricultural Production Management and Agribusiness | Brodzinska, K., University of Warmia and Mazury in Olsztyn (Poland). Dept. of Agrotechnology, Agricultural Production Management and Agribusiness | Zvirbule, A., Latvia Univ. of Life Sciences and Technologies, Jelgava (Latvia). Faculty of Economics and Social Development | Popluga, D., Latvia Univ. of Life Sciences and Technologies, Jelgava (Latvia). Faculty of Economics and Social Development
The development of organic farming is determined by many factors. On the one hand, it is an increase in demand for food produced in this production system, on the other it is a subsidy system for organic farming under the CAP. The purpose of the article is a comparative analysis of the direction of changes in the development of organic farming in Poland and Latvia compared to the EU in the years 2000–2017. Information was analysed on the organic farming i.e. the area of organic crops, the number of certified farms and organic retail sales, based on FIBL data from the years 2000–2017. An analysis of the trend of changes in organic farming in Poland and Latvia indicates that the development of organic farming in both countries has clearly accelerated after their accession to the EU and after covering organic farming by the CAP support system. However, the case of Poland is definitely different from the trend of changes in organic farming in Latvia and in the EU, where both the number of organic farms and their area increased, with the simultaneous development of the organic food market. There are many indications that mistakes were made in the organic farming subsidy system.
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