The requirement to achieve effective solutions in the shortest possible time in the manufacturing environment is essential, and it can be solved only by effective production planning methods. The ...scientific problem is that traditional methods for creating and assessing the production plans are insufficient for the future and it is necessary to look for new alternatives. The planners in the framework of designing the production layouts and subsequent capacity planning of the employees are missing the information, methods and tools for making clear decisions. The production costs in general and especially the costs for the workforce create a large part of the operating costs in many manufacturing enterprises. The scientific goal of the article is to present a design of the system for parametric modelling and assessing the working utilisation of the production staff intended for reducing costs. The described solution is based on object-oriented analysis and contains a methodology of planning and controlling the production process in the industrial environment. The designed methodology was used for developing a planning module of project software and was shown through a case study in a company dealing with the production of automotive components. Effective modelling of the digital copy of the manufacturing system in the software environment is one of the most difficult and important steps for developing reliable information systems for planning and inspection in the industry. The methodology’s results in a company are that the solution can be used as a basis for the aggregate production planning that brings savings and efficiency increases. The research results can be used in any company with strictly defined working positions, working activities, and limiting conditions.
Nuclear reaction cross section data are of great significance in optimisation of production routes of radionuclides. This article deals with some newer aspects of data research related to production ...of both standard and novel radionuclides. The recent work to standardise the known data is discussed and new measurements with regard to further optimisation of production routes of some commonly used radionuclides are mentioned. Attempts to increase the specific activity of some reactor-produced radionuclides through the use of charged-particle induced reactions are outlined. The jeopardy in the supply of
Tc
a fission-produced
Mo
Tc generator is considered and its possible direct production at a cyclotron is briefly discussed. Regarding the novel radionuclides, development work is presently focussed on non-standard positron emitters for diagnosis and on low-range highly ionising radiation emitters for internal radiotherapy. Recent nuclear reaction cross section measurements related to the production of the two types of radionuclides are briefly reviewed and some anticipated trends in nuclear data research are considered.
The Taguchi method represents a remarkable improvement of the classic experiment plan method. The Japanese specialist elaborated some standard instruments which simplify the experimenting process and ...which can be applied in a wide range of domains, that is to say 'a collection' of orthogonally fractioned experiment matrices and a set of 'accessories' - triangular tables and linear graphics which enables standard matrices to adapt to specific situations. In Taguchi's terminology, the factors that cause quality losses are called noise factors, while the performance levels targeted are called signals. Taguchi evaluates the quality of a product or of a manufacturing process through a performance synthetic indicator called signal/noise ratio, which takes into consideration both the average value of the targeted performance and its dispersion simultaneously. The paper also contains a case study regarding the quality improvement of the electrochemical cadmium plating in the drum in order to protect the representative parts of the hydraulic mining equipment. The quality criterion is the thickness of the cadmium layer target criterion. Finding the optimum configuration of the process requires the arbitration between representative factor levels in order to reach the double objective: minimising the variance and reaching an average thickness closer to the target value.
Optimization of Culture Condition for the Hydrocinnamic Acid Production from Bacillus subtilis IJ-31 Joo, G.J. (Kyungpook National University, Daegu, Republic of Korea); Kim, Y.M. (Kyungpook National University, Daegu, Republic of Korea); Lee, O.S. (Kyungpook National University, Daegu, Republic of Korea) ...
Hanʼguk Ŭngyong Saengmyŏng Hwahakhoe chi,
(Sep 2005), Letnik:
48, Številka:
3
Journal Article
The metabolites released from cultures of rhizosphere bacteria can inhibit plant growth. Bacillus subtilis IJ-31 inhibited plant growth by the production of hydrocinnamic acid (HCA). The production ...of HCA by plant-growth inhibiting rhizobacterium B. subtilis IJ-31 was optimized. 90.5 ㎍/ml of HCA was obtained under the condition of 1% rice bran as carbon source, 0.5% tryptone as nitrogen source, 0.1% ZnCl₂ as metal source at 37℃ for 60 h (pH 7.0). The optimal condition for the HCA production by B. subtilis IJ-31 in the jar fermenter was established using response surface methodology (RSM) of statistical analysis system (SAS) program.
The oil palm (Elaeis guineensis Jacq.) is an annual plant that yields vegetable oil and its derivatives. Seed plays a significant role in ensuring the long-term viability of commodities in order to ...achieve production progress. Knowing the compatibility or incompatibility between pistils and pollen by anticipating the development of the mesocarp and the pollination factor is one of the determining factors. By increasing oil yield, disease resistance, and other desirable traits, the proposed model seeks to increase the profitability and sustainability of oil palm cultivation. The mathematical model is intended to optimize production yields by obtaining superior oil palm (Elaeis guineensis Jacq) seeds through artificial pollination studies and by identifying the science of seed origin breeding, which is based on the availability of superior seeds from crossing female flowers of Dura trees with pollen from male flowers. The systematic and sustainable propagation of Pisifera trees Urgency The construction of the model included the selection of superior mother trees with the desired traits, data collection, artificial pollination processes, monitoring and evaluation of the fertilization process, seed germination and selection of the desired seeds, and field trials to confirm performance. Experimental pollination behavior was used to identify the value of the observation test with the variety, the common mean, the influence of the variety, the effect of the interaction of the variety, and the random value of the experimental data variable test by wrapping the female flower bunches with the Dura approach to produce Tenera. Keywords: Elaeis guineensis Jacq, artificial pollination, optimization of production, palm oil, sustainability.
European Association of AAC producers (EAACA) has set the goal for the AAC industry to become carbon‐neutral by 2050, so it is now more important than ever to explore ways to achieve it. One of the ...readily available solutions is a dedicated additive for AAC production, production, the effects of which positively affect the reduction of CO2e emissions. The additive is a tool helping the chemical reaction and offers improvements in two key emission sources for AAC. The first one is cement and lime usage, responsible for 74% of CO2e emissions in AAC production. A few percent cutbacks of binders consumption generate direct results in this area. The second one is the production process itself, being accountable for 13% of CO2e emissions. Lowering water content in the mix directly results in a lower requirement for steam during autoclaving, therefore impacting energy usage. Reductions in these two areas can be calculated in terms of CO2e emissions, as well as economical savings. The financial advantages generated by the additive are always higher than the cost of it. The chemical and process background presented in this paper is supported with examples from AAC plants worldwide, and complemented by GHG methodology calculation where 3,6% of CO2e emissions reductions can be achieved solely by using modern additive for production.
In the era of smart manufacturing and Industry 4.0, the rapid development of modelling in production processes results in the implementation of new techniques, such as additive manufacturing (AM) ...technologies. However, large invest-ments in the devices in the field of AM technologies require prior analysis to identify the possibilities of improving the production process flow. This paper proposes a new approach to determine and optimize the production process flow with improvements made by the AM technologies through the application of the Petri net theory. The existing produc-tion process is specified by a Petri net model and optimized by AM technology. The modified version of the system is verified and validated by the set of analytic methods safeguarding against the formal errors, deadlocks, or unreachable states. The proposed idea is illustrated by an example of a real-life production process.
Summary
Nisin is a peptide with antibacterial activity against a variety of pathogens. It was originally obtained from a Lactococcus lactis. It is classified as a class I bacteriocin, as it is ...synthesised by ribosomes and post‐translationally modified. It has been studied extensively and has a wide range of applications in the food industry, biomedicine, veterinary, and research fields. It is approved as a food preservative by the Food and Agriculture Organization (FAO). What's more, nisin, the only antimicrobial peptide that has generally considered as safe (GRAS) status from both World Health Organization (WHO) and Food and Drug Administration (FDA), has the potential to become an important natural antibiotic as bacteria become more resistant to traditional antibiotics. However, nisin purified from biological sources usually results in low yields and high production costs, limiting industrial‐scale manufacturing and application in other fields. Hence, more methods need to be used to optimise the production of nisin. Therefore, this paper aimed to understand the structure and biosynthesis mechanism of nisin and to summarise the innovative methods for increasing the production of nisin using biosynthesis regulation.
Biosymthesis, application, optimization of nisin.
Nowadays, one of the most imminent problems facing power systems in post-industrial countries is the sustainable development of power systems under conditions of increasing power consumption ...irregularity due to the reduction of the industry’s share in consumers’ demand for electric power. In today’s Russia, this issue is becoming very acute due to the significant share of electric power and heat co-generation that is demonstrating low manoeuvrability and poor adaptation to operations in the daily variation of electric power demand. This paper considers the problem of improving the power system steady-state through the optimization of the production structure of thermal power plants. We propose a combinatorial algorithm that improves the planning of the structural and technological modernization of the power equipment configuration, with a glance at the forecast of the increasing irregularity of power consumption.
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