scholarly journals Influence of Various Types of Office Desk Chair for Dynamizing the Operation Assessed by Raster Stereography

2021 ◽  
Vol 11 (11) ◽  
pp. 4910
Author(s):  
Ľuboslav Dulina ◽  
Arkadiusz Gola ◽  
Martin Gašo ◽  
Blanka Horváthová ◽  
Eleonóra Bigošová ◽  
...  

The current development trend of the operational activities indicates an increase in occupations which last for a few generations and whose primary position is the activity in the sitting position. This trend is directly connected with the technological progress and development of the society within Industry 4.0. However, the workplaces intended for sitting occupations that are designed according to the current standards are unsuitable from several perspectives. The long-term sitting activities at most actual workplaces cause an accumulation of the static load. For this reason, the article deals with dynamizing the activities in the sitting position. The presented research is based on utilizing the knowledge of the sitting posture dynamics and on the information acquired through diagnostics based on the Raster Stereography as an innovative method based on modelling a natural human spin. The article brings the first research results, which points out the fact that probably not all types of dynamic sitting that are nowadays preferred are suitable for long-term working.

ETIKONOMI ◽  
2020 ◽  
Vol 19 (2) ◽  
Author(s):  
Budiandru Budiandru ◽  
Sari Yuniarti

Investment financing is one of the operational activities of Islamic banking to encourage the real sector. This study aims to analyze the effect of economic turmoil on investment financing, analyze the response to investment financing, and analyze each variable's contribution in explaining the diversity of investment financing. This study uses monthly time series data from 2009 to 2020 using the Vector Error Correction Model (VECM) analysis. The results show that the exchange rate, inflation, and interest rates significantly affect Islamic banking investment financing in the long term. The response to investment financing is the fastest to achieve stability when it responds to shocks to the composite stock price index. Inflation is the most significant contribution in explaining diversity in investment financing. Islamic banking should increase the proportion of funding for investment. Customers can have a larger business scale to encourage economic growth, with investment financing increasing.JEL Classification: E22, G11, G24How to Cite:Budiandru., & Yuniarti, S. (2020). Economic Turmoil in Islamic Banking Investment. Etikonomi: Jurnal Ekonomi, 19(2), xx – xx. https://doi.org/10.15408/etk.v19i2.17206.


2021 ◽  
Vol 22 (1) ◽  
Author(s):  
F. Huppert ◽  
W. Betz ◽  
C. Maurer-Grubinger ◽  
F. Holzgreve ◽  
L. Fraeulin ◽  
...  

Abstract Background Musculoskeletal disorders (MSD) are a common health problem among dentists. Dental treatment is mainly performed in a sitting position. The aim of the study was to quantify the effect of different ergonomic chairs on the sitting position. In addition, it was tested if the sitting position of experienced workers is different from a non-dental group. Methods A total of 59 (28 m/31f) subjects, divided into two dentist groups according to their work experience (students and dentists (9 m/11f) < 10 years, dentists (9 m/10f) ≥ 10 years) and a control group (10 m/10f) were measured. A three-dimensional back scanner captured the bare back of all subjects sitting on six dentist’s chairs of different design. Initially, inter-group comparisons per chair, firstly in the habitual and secondly in the working postures, were carried out. Furthermore, inter-chair comparison was conducted for the habitual as well as for the working postures of all subjects and for each group. Finally, a comparison between the habitual sitting posture and the working posture for each respective chair (intra-chair comparison) was conducted (for all subjects and for each group). In addition, a subjective assessment of each chair was made. For the statistical analysis, non-parametric tests were conducted and the level of significance was set at 5%. Results When comparing the three subject groups, all chairs caused a more pronounced spinal kyphosis in experienced dentists. In both conditions (habitual and working postures), a symmetrical sitting position was assumed on each chair. The inter-chair comparisons showed no differences regarding the ergonomic design of the chairs. The significances found in the inter-chair comparisons were all within the measurementerror and could, therefore, be classified as clinically irrelevant. The intra-chair comparison (habitual sitting position vs. working sitting position) illustrated position-related changes in the sagittal, but not in the transverse, plane. These changes were only position-related (forward leaned working posture) and were not influenced by the ergonomic sitting design of the respective chair. There are no differences between the groups in the subjective assessment of each chair. Conclusions Regardless of the group or the dental experience, the ergonomic design of the dentist’s chair had only a marginal influence on the upper body posture in both the habitual and working sitting postures. Consequently, the focus of the dentist’s chair, in order to minimize MSD, should concentrate on adopting a symmetrical sitting posture rather than on its ergonomic design.


1999 ◽  
Vol 13 (1_suppl) ◽  
pp. 34-43
Author(s):  
N. Otter ◽  
K. Postema ◽  
Raj Rijken ◽  
J. van Limbeek

Objective: To compare the conventional socket for through-knee amputees with an open socket system for skin problems and other relevant items.Design: All data were collected during three visits to the prosthetic clinic. At the second visit the conventional socket was replaced by the open socket. The use of both socket types was evaluated with a questionnaire and stump inspection.Setting: The subjects were evaluated at the Rehabilitation Centre, St Maartenskliniek, Nijmegen, the Netherlands.Subjects: Twenty subjects with a unilateral through-knee amputation were included and 13 subjects had a trial with the open socket.Results: There is a significant decrease of hyperhydrosis when wearing the open socket, there is no significant decrease in skin irritation or ulcers. The open socket also gives more comfort in sitting position.Conclusion: A further trial is needed in a selected group of prosthesis users among through-knee amputees to establish the long-term acceptance and benefits of the prosthesis with an open socket.


Author(s):  
Christopher J. Fuller

This concluding chapter examines the legacy of the CIA's drone war on U.S. counterterrorism, wider U.S. national security policy, and the conduct of America's rivals—both nation-states and terrorist groups. It contemplates the nature of technological progress, judging that innovations always introduce potential threats and opportunities in equal measure. Furthermore, while it is almost inevitable that terrorist groups will exploit drone technology for heinous ends, the technology also offers wider commercial and civilian society opportunities, just as previous transformative technologies, first developed for the purpose of taking lives, eventually came to transform them in positive ways. The use of drones to neutralize terrorists is best understood as the embodiment of America's long-term counterterrorism goal made possible by advancements in both technology and the willingness of the U.S. government to authorize the CIA in undertaking lethal counterterrorist actions.


2021 ◽  
Author(s):  
Md. Mahmudul Alam ◽  
Wahid Murad

This study investigates the short-term and long-term impacts of economic growth, trade openness and technological progress on renewable energy use in Organization for Economic Co-operation and Development (OECD) countries. Based on a panel data set of 25 OECD countries for 43 years, we used the autoregressive distributed lag (ARDL) approach and the related intermediate estimators, including pooled mean group (PMG), mean group (MG) and dynamic fixed effect (DFE) to achieve the objective. The estimated ARDL model has also been checked for robustness using the two substitute single equation estimators, these being the dynamic ordinary least squares (DOLS) and fully modified ordinary least squares (FMOLS). Empirical results reveal that economic growth, trade openness and technological progress significantly influence renewable energy use over the long-term in OECD countries. While the long-term nature of dynamics of the variables is found to be similar across 25 OECD countries, their short-term dynamics are found to be mixed in nature. This is attributed to varying levels of trade openness and technological progress in OECD countries. Since this is a pioneer study that investigates the issue, the findings are completely new and they make a significant contribution to renewable energy literature as well as relevant policy development.


Author(s):  
Soheil Manouchehri

Offshore and subsea decommissioning will increase in the next five years or so as many producing fields are matured and cease production while the oil price continues to remain low. This emphasizes the need for a thorough decommissioning plan to ensure a safe and technically feasible solution while it is economically viable and safeguards the environment. Offshore and subsea decommissioning is commonly considered on a case-by-case basis using the Comparative Assessment (CA) process in which the best decommissioning solution is obtained. Health, Safety and Environmental (HSE) considerations are always paramount in any decommissioning process. The aim is to significantly reduce the long term risks to other benefactors of the sea while the associated short term risks to those responsible for decommissioning operations are minimized. A major part of any decommissioning project is subsea pipelines decommissioning (by “pipelines”, it is meant to include flowlines, trunklines and flexible too). There are a number of techniques available for decommissioning of subsea pipelines ranging from preservation for potential future use to full recovery or leaving in-situ. However, each subsea pipeline decommissioning technique should be considered on its own merit. Selection of each decommissioning technique depends on many parameters, inter alia, size of pipeline, type of pipeline (e.g. single pipe, pipe-in-pipe, piggyback), type of conveying fluid, operational environment (location), production history, Inspection, Repair and Maintenance (IRM) records, HSE considerations, connection to other facilities, technical feasibility (including potential use of advanced technologies), regulatory authorities requirements and socio-economic considerations. This paper will look at specifics of subsea pipelines decommissioning. It will examine the procedures to be undertaken from desk top activities (e.g. planning and CA) up to operational activities (e.g. pigging, flushing, cleaning, removal or leaving in-situ). Different scenarios are discussed and potential advantages and disadvantages of each scenario are presented. In addition, a guide is proposed for future pipelines decommissioning projects to follow a rational approach.


2021 ◽  
pp. 221-239
Author(s):  
Oscar Calvo-Gonzalez

This chapter explores how, behind the change in economic policymaking, lies a change in the ideas of the elite. And behind the change in ideas was a relentless scanning of experience outside Spain, especially in Europe. The chapter documents how the technocrats that held increasing power in 1960s Spain consistently sought out new ideas about policymaking from Europe and the United States. They were deliberate policy entrepreneurs. Like their Western European peers, the technocrats considered a responsibility of the state to seek to advance progress for a wide spectrum of society. To pursue this objective, they considered it critical to increase efficiency and put great faith in technological progress. The chapter concludes that what truly stands out of the technocrats is that they were able to implement their practical agenda over a sustained period. There had been previous technocratic efforts to emulate European practices, sometimes from reformers that reached even higher levels of government. A long-term horizon allowed policies to evolve without unnecessary volatility, striking a balance between policy innovation and policy continuity.


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