| 1. |
- Gubanski, Stanislaw, 1950, et al.
(författare)
-
Polyolefin composition for medium/high/extra high voltage cables comprising benzil-type voltage stabiliser
- 2021
-
Patent (övrigt vetenskapligt/konstnärligt)abstract
- The present invention relates to a polyolefin composition comprising (A) a polyolefin, (B) a benzil derivative comprising, preferably consisting of, the structural unit according to the following formula (I) wherein R1, R2, R3, R4, R5, R6, R7, R8, R9 and R10 independently from each other are hydrogen, or a hydrocarbyl group which may contain heteroatoms or at least two of said R1, R2, R3, R4, R5, R6, R7, R8, R9 and R10 together with the ring atoms of the ring system of formula (I) they are attached to, form a further aromatic or non-aromatic ring fused to the ring system of formula (I) and at least R1 or R2 is an ester group. The invention also relates to a wire or cable, in particular a medium, high or extra high voltage cable, comprising such a composition, and to the use of such a composition for the production of a wire or cable, in particular a medium, high or extra high voltage cable.
|
|
| 2. |
- Bjursell, Cecilia, 1970-, et al.
(författare)
-
Higher education as learning organizations – An empirical study of education managers perception of their work situation
- 2022
-
Ingår i: NFF 2022 Conference Papers.
-
Konferensbidrag (refereegranskat)abstract
- The paper presents a study of Swedish academic leaders’ perception of their work situation. The aim was to explore the conditions which can enable creativity and learning in higher education institutions. The KEYS survey was sent to a sample of 64 university managers from social sciences, humanities and technical departments at Swedish universities. The response rate was 39 % (n25). The result indicates that education managers perceive a lack of feedback from upper management, but at the same time, they claim to have a high level of trust from upper management.
|
|
| 3. |
- Ellonen, Hanna-Kaisa, et al.
(författare)
-
Entrepreneurial Heuristics During Crisis : How and Why Do Restaurateurs Make Decisions During Covid-19?
- 2021
-
Konferensbidrag (refereegranskat)abstract
- ObjectivesThe current Covid-19 pandemic has confronted the hospitality industry with an unprecedented challenge. The corona crisis provides an exceptional platform to further our understanding on how entrepreneurs operate under extreme uncertainty. We adopt an exploratory qualitative approach to study the decision-making heuristics Finnish restaurant entrepreneurs have used during a time of external crisis. More specifically we ask ourselves 1) how do entrepreneurs come to the decisions made, i.e. their decision making heuristics? and 2) what is the underlying logic of that rational?Prior workDecision making in the context of entrepreneurial action and uncertainty is largely covered in the effectuation framework, which outlines principles employed by experienced entrepreneurs when starting new firms and/or creating new markets. The corona crises offers a unique opportunity to study effectuation under absolute uncertainty and with unpredictable temporal dynamics.ApproachWe interviewed 11 restaurateurs in Helsinki and using a thinking aloud -protocol we analyseddecision-makers’ cognitive processes, priorities and related actions for a period of one year, starting from thecommencement of Finland’s first national Covid-19 lockdown in March 2020 and lasting until March 2021.ResultsThe 11 entrepreneurs differed considerably in terms of their use of effectual and causal logics despite their seemingly similar backgrounds and business context. In order to understand the decision-making logic of the entrepreneurs, two other aspects appear pivotal: first, the entrepreneurs’ time horizon and second, an additional set of pre-heuristics rooted in the entrepreneur’s personal beliefs and values used to steer the direction of future decisions.Implications and valueThe main contribution of the present study for the entrepreneurship research field is the identification of three separate heuristics used by entrepreneurs during a temporal crisis: 1) creating opportunities responding to personal values, 2) pragmatic action and 3) preserving business values. Both the first and third are strongly linked to values; the first to the personal values of the entrepreneur and the third to the business values of the enterprise.
|
|
| 4. |
- Ellonen, Hanna-Kaisa, et al.
(författare)
-
Simple rules and learning : Business model innovation during Covid-19
- 2021
-
Ingår i: ISPIM Innovation Conference 2021. - 9789523356917
-
Konferensbidrag (refereegranskat)abstract
- The COVID-19 pandemic has presented the hospitality industry with novel challenges. In this paper, we follow four case restaurants for a period of 12 months and track how they have innovated their business models and their learning processes through several cycles of iteration. Our work is based on the notion of simple rules. Eisenhardt and Sull (2001) propose simple rules as an approach to help businesses make decisions under fast-changing and uncertain environments. Methodologically, our study is a comparative case study with data comprising of interviews (two rounds in 2020 and 2021) and secondary data such as newspaper articles, web articles, restaurant websites and social media validating the timelines. Our results reveal that each of the case companies has 2-3 simple rules that have been pivotal for their business model innovation, and that these simple rules have become more explicit through different learning mechanisms.
|
|
| 5. |
|
|
| 6. |
- Engström, Annika, 1964-, et al.
(författare)
-
Knowledge creation in projects : an interactive research approach for deeper business insight
- 2023
-
Ingår i: International Journal of Managing Projects in Business. - : Emerald Group Publishing Limited. - 1753-8378 .- 1753-8386. ; 16:1, s. 22-44
-
Tidskriftsartikel (refereegranskat)abstract
- Purpose The purpose of this paper is to shed light on different types of knowledge created and how this links to the project design, process, and content. Design/methodology/approach In this paper the authors investigate participants' experiences from a three-year interactive research project, designed to trigger reflection among the participants. They apply a knowledge creation perspective on experiences expressed by participants as a result of different research project activities. Findings The study resulted in five categories of insights with potential for sustainable influence on the participating organizations: an understanding of concepts and theories; an understanding of the impacts of collaborative, reflective work processes; an understanding of the meaning of one's own organizational context; an understanding of the importance of increased organizational self-awareness; and an understanding of the potential for human interaction and communication. Practical implications The author's findings suggest that it is possible to design a project to promote more profound and sustainable effects on a business beyond the explicit purpose of the project. They advise practitioners to make room for iterative reflection; be mindful to create a trustful and open environment in the team; challenge results with opposing views and theories; and make room for sharing experiences and giving feedback. Originality/value This study contributes to unraveling key practices which can nurture conditions for knowledge creation in interactive research projects and business projects alike.
|
|
| 7. |
|
|
| 8. |
- Engström, Annika, 1964-, et al.
(författare)
-
Understanding Organizational Tensions During Artificial Intelligence Transformation
- 2022
-
Ingår i: Proceedings of The Annual Meeting of The Academy of Management, 2022, Vol. 2022, No. 1. - : Academy of Management. ; , s. 12745-
-
Konferensbidrag (refereegranskat)abstract
- AI has the potential to be a disruptive technology causing paradigm shifts in industries and greatly impacting both operational and strategic decision making. Adopting AI technologies requires proactively engaging both the technical and social system of the organization as processes, workflows, as well as individual employees, are influenced. This paper explores potential tensions between the social and technical systems in the early change process of AI transformation to understand the nature and degree of AI transformation. We do this by analyzing in-depth inquiry from 23 focus groups involving 112 white-collar industrial employees in large multinational industrial firms using a change management perspective. Our study revealed nine categories of tensions divided into tensions between the current and future state and tensions between humans and machines. This stresses the need to adopt a socio-technical perspective in the attempt to understand organizations approaching AI and provides practical implications for organizations considering adopting AI technologies.
|
|
| 9. |
- Gall, Dan, 1981, et al.
(författare)
-
Recirculation of NO x and SO x Scrubber Effluent to an Industrial Grate Fired MSW Boiler-Influence on Combustion Performance, Deposition Behavior, and Flue Gas Composition
- 2022
-
Ingår i: Energy & Fuels. - : American Chemical Society (ACS). - 1520-5029 .- 0887-0624. ; 36:11, s. 5868-5877
-
Tidskriftsartikel (refereegranskat)abstract
- The concept of scrubber effluent recirculation has recently received attention in connection to NOxemission control. Here, we present data from an industrial-scale MSW-fired plant, where effluent from a combined NOxand SOxscrubber was recirculated and injected into a grate-fired boiler. The combustion characteristics were carefully studied during the injections to observe the potential effects on burnout and flue gas composition. In addition, deposition measurements were performed to observe effects on growth rate and chemical composition of deposits, which are critical factors for any solid fuel-fired heat and power plant. The recirculation of the nitrogen-rich waste streams was performed via pre-existing liquid injection equipment, and the results show that the N-containing compounds in the scrubber effluent were efficaciously reduced to inert nitrogen gas. Furthermore, the recirculation of the scrubber effluent may reduce ammonia demand for selective non-catalytic reduction systems by inhibiting the formation of ammonium chloride. Sulfur and alkali components in the effluent increased the deposition growth rate and also changed the chemical composition of the deposits. Understanding how the local conditions at the injection point influence the distribution and speciation of the injected compounds is essential for a successful recirculation strategy.
|
|
| 10. |
- Johansson, Jakob, 1990, et al.
(författare)
-
Simultaneous Removal of NO x and SO x from Flue Gases Using ClO 2 : Process Scaling and Modeling Simulations
- 2021
-
Ingår i: Industrial & Engineering Chemistry Research. - : American Chemical Society (ACS). - 1520-5045 .- 0888-5885. ; 60:4, s. 1774-1783
-
Tidskriftsartikel (refereegranskat)abstract
- The concept of coabsorption of NO2 and SO2 from flue gases, in combination with the enhanced oxidation of NO by ClO2(g), is studied on three scales, 0.2, 100, and 400 N m3/h, all with flue gases of different origins. The results obtained from each setup are presented, together with modeling that was applied to assess the scale-up of the concept and to validate the model. The measurements confirm that ClO2 is highly selective toward NO oxidation for temperatures in the range of 70-155 °C. A comparison of the results obtained for each scale reveals that the 0.2 N m3/h setup confers a higher level of NOx absorption than the other setups, although the trends remain similar. Simulations of the results underpredict the level of NO2 absorption in the 0.2 N m3/h setup while capturing the levels of absorption in the 100 N m3/h setup. An important finding is the rapid and complete oxidation of S(IV) in the presence of NO2, which is not represented in the reaction kinetics.
|
|
| 11. |
- McKelvie, A., et al.
(författare)
-
The measurement of effectuation : highlighting research tensions and opportunities for the future
- 2020
-
Ingår i: Small Business Economics. - : Springer. - 0921-898X .- 1573-0913. ; 54:3, s. 689-720
-
Tidskriftsartikel (refereegranskat)abstract
- In this paper, we address issues related to the measurement of effectuation. We identify and examine 81 empirical studies focusing on research tensions (fundamental assumptions, theoretical underpinnings, boundary conditions, units of analyses, measures, and temporal issues) within the effectuation literature. Our findings suggest these tensions inhibit the accumulation of empirical knowledge. We highlight the challenges involved in effectively measuring effectuation and offer solutions and recommendations for systematic knowledge accumulation.
|
|
| 12. |
- Saguti, Fredy, et al.
(författare)
-
Surveillance of wastewater revealed peaks of SARS-CoV-2 preceding those of hospitalized patients with COVID-19
- 2021
-
Ingår i: Water Research. - : Elsevier BV. - 0043-1354 .- 1879-2448. ; 189
-
Tidskriftsartikel (refereegranskat)abstract
- SARS-CoV-2 was discovered among humans in Wuhan, China in late 2019, and then spread rapidly, causing a global pandemic. The virus was found to be transmitted mainly by respiratory droplets from infected persons or by direct contact. It was also shown to be excreted in feces, why we investigated whether the virus could be detected in wastewater and if so, to which extent its levels reflects its spread in society. Samples of wastewater from the city of Gothenburg, and surrounding municipalities in Sweden were collected daily from mid-February until June 2020 at the Rya wastewater treatment plant. Flow proportional samples of wastewater were collected to ensure that comparable amounts were obtained for analysis. Daily samples were pooled into weekly samples. Virus was concentrated on a filter and analyzed by RT-qPCR. The amount of SARS-CoV-2 varied with peaks approximately every four week, preceding variations in number of newly hospitalized patients by 19-21 days. At that time virus testing for COVID-19 was limited to patients with severe symptoms. Local differences in viral spread was shown by analyzing weekly composite samples of wastewater from five sampling sites for four weeks. The highest amount of virus was found from the central, eastern, and northern parts of the city. SARS-CoV-2 was also found in the treated effluent wastewater from the WWTP discharged into the recipient, the Göta River, although with a reduction of 4-log10. The viral peaks with regular temporal intervals indicated that SARS-CoV-2 may have a cluster spread, probably reflecting that the majority of infected persons only spread the disease during a few days. Our results are important for both the planning of hospital care and to rapidly identify and intervene against local spread of the virus.
|
|
