• Title/Summary/Keyword: Fill-Factor

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Ovarian stimulation and liver dysfunction: Is a clinical relationship possible? A case of hepatic failure after repeated cycles of ovarian stimulation

  • Giugliano, Emilio;Cagnazzo, Elisa;Pansini, Giancarlo;Vesce, Fortunato;Marci, Roberto
    • Clinical and Experimental Reproductive Medicine
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    • v.40 no.1
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    • pp.38-41
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    • 2013
  • Liver damage induced by ovarian stimulation has been demonstrated in some cases reported in the literature. However, there has never been a fruitful debate on this topic. The present manuscript tried to fill this gap. We reported a case of a 35-year-old nulliparous woman admitted to our obstetric emergency room for severe pre-eclampsia. She had been subjected to four cycles of controlled ovarian stimulation for intrauterine insemination. At 32 weeks of gestation, she developed severe pre-eclampsia, which led to HELLP syndrome complicated by fatal liver failure. The etiological link between ovarian stimulation and HELLP syndrome is intriguing. Further investigations are needed to understand whether repeated ovarian stimulation may represent a risk factor in pre-eclamptic patients.

Organizational Justice, Job Satisfaction and Organizational Citizenship Behavior in Higher Education Institutions: A Research Proposition in Vietnam

  • Dong, Le Nguyen Thanh;Phuong, Nguyen Ngoc Duy
    • The Journal of Asian Finance, Economics and Business
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    • v.5 no.3
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    • pp.113-119
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    • 2018
  • Higher Education Institutions (HEIs) are place contributing to the intellectual advancement of the nation, quality human resource, and to a number of socio-economic improvements for society and organizations. Despite facilitators and staffs are the bare-bone of HEIs, there is a scarcity of research, both conceptual and empirical, focusing on their organizational citizenship behaviors (OCB). To attempt to fill this gap, this article develops a conceptual model of OCB under influencing of organizational justice and job satisfaction. The prospective respondents were chosen randomly from HEIs (public and private). Individuals have been employed at least one year and above will be the unit of analysis in which the experimental test of the proposed model will be conducted. The results suggest that organizational citizenship behavior is one of the most important factor influence the organizational performance. Furthermore, the performance of HEIs does not affect only the national human resources, but also impact on national economy. In this context, a conceptual framework is proposed to study the determinants of organizational citizenship behavior in the form of organizational justice and job satisfaction. Additionally, the ultimate benefits of OCB through perceived organizational justice with job satisfaction as mediator is enlightened. Finally, the authors discuss the managerial implications of their research.

System of a Selenium Based X-ray Detector for Radiography (일반촬영을 위한 셀레늄 기반의 엑스선 검출기 시스템)

  • Lee, D.G.;Park, J.K.;Choi, J.Y.;Ahn, S.H.;Nam, S.H.
    • Proceedings of the Korean Institute of Electrical and Electronic Material Engineers Conference
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    • 2002.07b
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    • pp.817-820
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    • 2002
  • Amorphous selenium based flat panel detectors convert incident x-ray to electric signal directly. Flat panel detectors gain more interest real time medical x-ray imaging. TFT array and electric readout circuits are used in this paper offered by LG.Philips.LCD. Detector is based on a $1536{\times}1280$ array of a-Si TFT pixels. X-ray conversion layer(a-Se) is deposited upper TFT array with a $400{\mu}m$ by thermal deposition technology. Thickness uniformity of this layer is made of thickness control system technology$({\leq}5%)$. Each $139{\mu}m{\times}139{\mu}m$ pixel is made of thin film transistor technology, a storage capacitor and collecting electrode having geometrical fill factor of 86%. This system show dynamic performance. Imaging performance is suited for digital radiography imaging substitute by conventional radiography film system.

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Synthesis of Novel Quinacridone Dyes and Their Photovoltaic Performances in Organic Dye-sensitized Solar Cells

  • SaKong, Chun;Kim, Se-Hun;Yuk, Sim-Bum;Kim, Jeong-Yun;Park, Se-Woong;Ko, Min-Jae;Kim, Jae-Pil
    • Bulletin of the Korean Chemical Society
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    • v.32 no.8
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    • pp.2553-2559
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    • 2011
  • Two novel quinacridone (QNC) dyes with thiophene or benzene-conjugated bridge and cyanoacrylic acid acceptor were first designed and synthesized for use in dye-sensitized solar cells (DSSCs). The absorption spectra, electrochemical and photovoltaic properties of these dyes were investigated. Under simulated AM 1.5G irradiation conditions, the solar cell based on the quinacridone dye containing thiophene as a bridge unit had a short-circuit photocurrent density of 8.51 $mA{\cdot}cm^{-2}$, an open-circuit voltage of 643.6 mV, and a fill factor of 0.70, corresponding to an overall conversion efficiency of 3.86%.

Effect of Buried Contact on the Epitaxial Base Silicon Solar Cell (에피텍셜 베이스 실리콘 태양전지에서 Buried Contact 효과)

  • Chang, Gee-Keun;Lim, Yong-Keu;Jeong, Jin-Cheol
    • Korean Journal of Materials Research
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    • v.13 no.5
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    • pp.313-316
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    • 2003
  • The new epitaxial base cell as a high efficiency Si solar cell was fabricated and the effect of buried contact on the cell characteristics was investigated. In our experiments, the cell with buried contact showed the open circuit voltage of 0.62 V, the short circuit current of 40 mA, the fill factor of 0.7, and the efficiency of 10% under the incident light of AM-1 100 ㎽/$\textrm{cm}^2$. The insertion of buried contact in the epitaxial base structure brought the fabricated cell to the efficiency improvement of about 33%. The cell proposed in this paper has the structural superiority in the fabrication of high efficiency solar cell due to the carrier drift transport in the optical absorption region and the formation of back surface field by $p^{-}$ $p^{+}$ epitaxial base, and the reduction of emitter series resistance by n+ buried contact.

The role of device attachment in post-adoption of mobile hand-held devices (모바일 휴대용 단말기의 지속적 이용에 있어서 기기애착 개념의 역할에 관한 연구)

  • Kwon, Soon-Jae;Chae, Sung-Uk
    • The Journal of Information Systems
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    • v.18 no.3
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    • pp.27-46
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    • 2009
  • Korean society frenzy about ubiquitous computing is in a rapid change into so called 'Nomadic' information environment. In many previous studies, a number of intrinsic and extrinsic motivation factors were empirically found to affect users' continuance to use mobile hand-held devices. However, the role of device attachment, a new intrinsic motivation factor with which users are known to care about their own mobile devices personally, in determining users' post-adoption behavior was not explored yet to the full scale. To fill the research void like this, this study proposes a new research model in which device attachment as well as perceived value are positively linked to satisfaction and continuance to use. The statistical results obtained by applying PLS to the valid 137 questionnaires showed that the device attachment has stronger positive influence on satisfaction and continuance to use than the perceived value. Therefore, a practical implication is suggested thai the mobile devices need 10 be designed in a way of arousing users' device attachment more strongly.

Optical Properties of CIGS Films as Deposition Conditions of Mo Back Contact (MO 배면전극의 제조조건이 CIGS 박막의 광특성에 미치는 영향)

  • Kim, S.K.;Lee, J.L.;Kang, K.H.;Yoon, K.H.;Park, I.J.;Song, J.;Han, S.O.
    • Proceedings of the KIEE Conference
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    • 2001.07c
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    • pp.1518-1520
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    • 2001
  • Bi-layer Mo films were deposited on sodalime glass substrates using DC magnetron sputtering. As the gas pressure and power density, the resistivity varied from $1.5{\times}10^{-5}$ to $4.97{\times}10^{-4}{\Omega}{\cdot}cm$. Furthermore, stress direction yielded compressive-to-tensile transition stress curves. The microstructure of the compressive stress films which had poor adhesion consists of tightly packed columns, but of the tensile-stressed films had less dense structure. Under all gas pressure conditions, Mo films exhibited distinctly increasing optical reflection with decreasing gas pressure. The expansion of (110) peak width with the gas pressure meant the worse crystalline growth. Also, The highest efficiency was 15.2% on 0.2 $cm^2$. The fill factor, open circuit voltage and short circuit current were 63 %, 570 mV and 42.6 mA/$cm^2$ respectively.

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Enhanced Electrochemical Properties of Dye-sensitized Solar Cells Using Flexible Stainless Steel Mesh Electrodes with Ti Protective Layer (Ti 보호층이 형성된 스테인레스 스틸 메쉬 전극을 이용한 염료감응형 태양전지의 전기 화학적 특성 개선)

  • Jung, Haeng-Yun;Ki, Hyun-Chul;Gu, Hal-Bon
    • Journal of the Korean Institute of Electrical and Electronic Material Engineers
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    • v.28 no.3
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    • pp.180-184
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    • 2015
  • Stainless steel (SS) mesh was used to fabricate photoelectrode for flexible dye-seisitzed solar cells (DSSCs) in order to evaluate them as replacements for more expensive transparent conductive oxide(TCO). We fabricated the DSSCs with new type of photoelectrode, which consisted of flexible SS mesh coated with 100 nm thickness titanium (Ti) protective layer deposited using electron-beam deposition system. SS mesh DSSCs with protective layer showed higher efficiency than those without a protective layer. The best cell property in the present study showed the open circuit voltage (Voc) of 0.608 V, short-circuit current density (Jsc) of $5.73mA\;cm^{-2}$, fill factor (FF) of 65.13%, and efficiency (${\eta}$) of 2.44%. Compared with SS mesh based on DSSCs (1.66%), solar conversion of SS mesh based on DSSCs with protective layer improved about 47%.

Enhanced Efficiency of Transmit and Receive Module with Ga Doped MgZnO Semiconductor Device by Growth Thickness

  • Shim, Bo-Hyun;Jo, Hee-Jin;Kim, Dong-Jin;Chae, Jong-Mok
    • JSTS:Journal of Semiconductor Technology and Science
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    • v.16 no.1
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    • pp.39-43
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    • 2016
  • The structural, electrical properties of Ga doped MgZnO transparent conductive oxide (TCO) films by ratio-frequency(RF) magnetron sputtering were investigated. Ga doped MgZnO TCO films were deposited on the sapphire substrates at $200^{\circ}C$ varying growth thickness 200 to 600 nm. The optical properties of Ga doped MgZnO TCO films were showed above 85% transmittance from 300 to 1000 nm region. In addition, the current density ($J_{SC}$) of $Cu(In,Ga)Se_2$ (CIGS) solar cells was improved by using the MgZnO:Ga films of 500 nm thickness because of outstanding electrical properties. The $Cu(In,Ga)Se_2$ solar cells with MgZnO:Ga transparent conducing layer yielded an efficiency of 9.8% with current density ($31.8mA/cm^2$), open circuit voltage (540.2 V) and fill factor (62.2) under AM 1.5 illumination.

Persian Version of Functional Assessment of Cancer Therapy- Breast (FACT-B) Scale: Confirmatory Factor Analysis and Psychometric Properties

  • Patoo, Mozhgan;Allahyari, Abbas Ali;Moradi, Ali Reza;Payandeh, Mehrdad
    • Asian Pacific Journal of Cancer Prevention
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    • v.16 no.9
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    • pp.3799-3803
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    • 2015
  • Background: The Functional Assessment of Cancer Therapy - Breast (FACT-B) scale is widely used to measure health-related quality of life in cancer patients. The aim of the present study is to validate the FACT-B in a sample of Iranian women with breast cancer. Materials and Methods: The sample consisted of 300 women selected through non-random convenient sampling procedure from oncology hospitals and clinics in Kermanshah and Shiraz cities. They were asked to fill in the Persian versions of the FACT-B scale, Hospital Anxiety and Depression Scale, the European Organization for Research and Treatment of Cancer quality of life EORTC QLQ30. Confirmatory factorial analysis of the methods, concurrent validity and discriminant, and Cronbach's alpha for internal consistency were applied. Results: Internal consistency using Cronbach's alpha was 0.63 to 0.93 for the subscales and 0.92 for the total scale. Significant correlations between FACT-B and other measures indicate that this scale had concurrent and discriminant validity. The values of fit indices were satisfactory. Conclusions: The Persian version of the FACT-B scale is valid and reliable and, therefore, the scale can be used in research and clinical settings to assess health-related quality of life in Iranian patients with breast cancer.