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3-D band-stop FSS for X-band and Ku-band
- 2017
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Ingår i: 2017 Progress In Electromagnetics Research Symposium - Fall (PIERS - FALL). - : Electromagnetics Academy. - 9781538612118 - 9781538612125 ; , s. 671-675
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Konferensbidrag (refereegranskat)abstract
- A 3-D Frequency Selective Surface (FSS) with band-stop characteristics for X-band and Ku-band is proposed. A 3-D FSS unit cell is constructed by analyzing two 2-D FSS's. The size of the 3-D FSS unit cell is 5 mm × 5 mm wherein two layers of FR4 substrate with respective widths of 0.762 mm and 0.5 mm are used. Dual stop bands are obtained with this FSS unit cell around 10 GHz and 17.4 GHz; where a wide stop-band of 5.2 GHz is obtained. The parametric study carried out on the proposed design in terms change in nature of substrate, alternate use of different substrates and variation in angle of incidence. The 3-D FSS shows its band rejection property X-band and Ku-band respectively. Ansoft HFSS commercial EM solver software is used to carry out the simulation work.
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| 2. |
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A good life for all : Essays on sustainability celebrating 60 years of making life better
- 2017. - 1
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Samlingsverk (redaktörskap) (övrigt vetenskapligt/konstnärligt)abstract
- For a better world now and in the futureFor a world that sustains itself for genereations to come, the University of Gävle is an ambitious and development-oriented organization with a focus on sustainability now and in the future. Under the leadership of Dr. Maj-Britt Johansson, the University is creating a sustainable community. This book commemorates her efforts in hounour of her 60th birthday.The ten essays here show the wide variety of sustainability activities under her leadership, not limited to ecological issues, includning science, social work, building design and contruction, and World Hertiage sites, along with a variety of other cutting-edge topics.
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| 3. |
- Abrehdary, Majid, et al.
(författare)
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Towards the Moho depth and Moho density contrast along with their uncertainties from seismic and satellite gravity observations
- 2017
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Ingår i: Journal of Applied Geodesy. - : Walter de Gruyter GmbH. - 1862-9016 .- 1862-9024. ; 11:4, s. 231-247
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Tidskriftsartikel (refereegranskat)abstract
- We present a combined method for estimating a new global Moho model named KTH15C, containing Moho depth and Moho density contrast (or shortly Moho parameters), from a combination of global models of gravity (GOCO05S), topography (DTM2006) and seismic information (CRUST1.0 and MDN07) to a resolution of 1° × 1° based on a solution of Vening Meinesz-Moritz’ inverse problem of isostasy. This paper also aims modelling of the observation standard errors propagated from the Vening Meinesz-Moritz and CRUST1.0 models in estimating the uncertainty of the final Moho model. The numerical results yield Moho depths ranging from 6.5 to 70.3 km, and the estimated Moho density contrasts ranging from 21 to 650 kg/m3, respectively. Moreover, test computations display that in most areas estimated uncertainties in the parameters are less than 3 km and 50 kg/m3, respectively, but they reach to more significant values under Gulf of Mexico, Chile, Eastern Mediterranean, Timor sea and parts of polar regions. Comparing the Moho depths estimated by KTH15C and those derived by KTH11C, GEMMA2012C, CRUST1.0, KTH14C, CRUST14 and GEMMA1.0 models shows that KTH15C agree fairly well with CRUST1.0 but rather poor with other models. The Moho density contrasts estimated by KTH15C and those of the KTH11C, KTH14C and VMM model agree to 112, 31 and 61 kg/m3 in RMS. The regional numerical studies show that the RMS differences between KTH15C and Moho depths from seismic information yields fits of 2 to 4 km in South and North America, Africa, Europe, Asia, Australia and Antarctica, respectively.
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| 5. |
- Agndal, Henrik, et al.
(författare)
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Two decades of business negotiation research : an overview and suggestions for future studies
- 2017
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Ingår i: Journal of business & industrial marketing. - 0885-8624 .- 2052-1189. ; 32:4, s. 487-504
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Forskningsöversikt (refereegranskat)abstract
- Purpose - This paper aims to present a review of articles on business negotiation published between 1995 and 2015.Design/methodology/approach - This literature review is based on 490 articles on business negotiation.Findings - When analyzing the conceptual underpinnings of this field, two paradigms emerge as dominant. The most prominent paradigm is a cognitive, psychological approach, typically relying on experiments and statistical testing of findings. The second dominating paradigm is a behavioral one, largely concerned with mathematical modeling and game-theoretical models.Practical implications - Besides offering a description of the characteristics adhered to the business negotiation field, this paper will also suggest recommendations for further research and specify areas in which the research field needs further conceptual and empirical development.Originality/value - This literature review serves to be the first representation of the characteristics adhered to the budding research field of business negotiation.
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| 9. |
- Ahlin, Catharina, et al.
(författare)
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Assessing nursing students’ knowledge and skills in performing venepuncture and inserting peripheral venous catheters
- 2017
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Ingår i: Nurse Education in Practice. - : Elsevier BV. - 1471-5953 .- 1873-5223. ; 23, s. 8-14
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Tidskriftsartikel (refereegranskat)abstract
- Venepuncture and the insertion of peripheral venous catheters are common tasks in health care, and training in these procedures is included in nursing programmes. Evidence of nursing students’ knowledge and skills in these procedures is limited. The main aim of this study was to assess nursing students’ knowledge and skills when performing venepuncture and inserting peripheral venous catheters. Potential associations between level of knowledge and skills, self-training, self-efficacy, and demographic characteristics were also investigated. The assessment was performed by lecturers at a university college in Sweden using the two previously tested instruments "Assess Venepuncture"€ and "Assess Peripheral Venous Catheter Insertion". Between 81% and 100% of steps were carried out correctly by the students. The step with the highest rating was "€œUses gloves", and lowest rating was "€˜Informs the patients about the possibility of obtaining local anaesthesia"€™. Significant correlations between degree of self-training and correct performance were found in the group of students who registered their self-training. No associations between demographic characteristics and correct performances were found. Assessing that students have achieved adequate levels of knowledge and skills in these procedures at different levels of the nursing education is of importance to prevent complications and support patient safety.
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| 10. |
- Ahmadi, Fereshteh, 1958-, et al.
(författare)
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A Survey Study Among Cancer Patients in Turkey : Meaning-Making Coping
- 2017
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Ingår i: Illness, crisis and loss. - : SAGE Publications. - 1054-1373 .- 1552-6968. ; , s. 1-21
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Tidskriftsartikel (refereegranskat)abstract
- To understand the role of culture on the use of the meaning-making coping among people who have been struck by cancer, qualitative and quantitative studies have been conducted in several countries like Sweden, China, Japan, South Korea, Malaysia, Philippines, and Turkey. This article reports on a quantitative study carried out in Turkey. The aim of the study has been to answer the following question: “Which meaning-making coping method (even nonreligious or spiritual coping methods) is used by informants?” The sample consists of 95 persons, 18+ who had been struck by cancer. The questionnaire was distributed to former/current cancer patients via a web address as an electronic survey through the media page of Cancer Survivors Association. The results of the study show that the most important coping methods used by cancer patients in Turkey are the religious coping (RCOPE) methods, particularly spiritual connection, active religious surrender, passive religious deferral, and pleading for direct intercession. Several RCOPE methods such as spiritual discontent, seeking support from clergy or members, punishing God reappraisal, and demonic reappraisal or self-directing religious coping are not used by the Turkish informants. Nor are non-RCOPE methods highly prevalent among informants.
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