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      • Health-related Quality of Life in Women with Breast Cancer: a Literature-based Review of Psychometric Properties of Breast Cancer-specific Measures

        Niu, Hui-Yan,Niu, Chun-Ying,Wang, Jia-He,Zhang, Yi,He, Ping Asian Pacific Journal of Cancer Prevention 2014 Asian Pacific journal of cancer prevention Vol.15 No.8

        Background: Breast cancer is one of the most common cancers in women in the world. Health-related quality of life (HRQL) at treatment endpoint in cancer clinical trials is widely considered to be increasingly important. The aim of this review was to provide a literature-based assessment of the validity, reliability and responsiveness of breast cancer-specific HRQL instruments in women breast cancer patients. Materials and Methods: The databases consulted were Medline, PubMed, and Embase. The inclusion criteria required studies to: (1) involve use of HRQL measures; (2) cover women with breast cancer under standard treatment (surgery, radiation therapy, chemotherapy, hormone therapy, and targeted therapy); (3) involve the validity, reliability, or responsiveness of HRQL; (4) deal with validation of breast cancer-specific HRQL instruments. Results: A total of 16 studies were identified through the literature search that met the 4 inclusion criteria. Some seven instruments were assessed among these 16 studies: EORTC QLQ-BR23, FACT-B, FACT-ES, HFRDIS, LSQ-32, QLICP-BR, and SLDS-BC. EORTC QLQ-BR23, FACT-B, LSQ-32, QLICP-BR, and SLDS-BC are more general breast cancer-specific HRQL instruments. FACT-EB is the endocrine subscale combined with FACT-B in order to measure the side effects and putative benefits of hormonal treatment administered in breast cancer patients. HFRDIS is the HRQL measure focusing on hot flash concerns. Conclusions: This paper provides an overall understanding on the currently available breast cancer-specific HRQL instruments in women breast cancer patients.

      • Structure and Performance Characteristics of Saturated Iron-core Superconducting Fault Current Limiter

        Niu, Xiaoye,Chen, Zhili,Wang, Haizhen,Chen, Zhifu,Zhang, Lifeng,Niu, Guojun,Hong, Hui,Xin, Ying 대한전기학회 2014 The Journal of International Council on Electrical Vol.4 No.2

        Superconducting fault current limiter (SFCL) is a kind of short-circuit current limiting device for power grid. It's a new application of superconducting technology on power equipments. Saturated Iron-core Superconducting fault current limiter (SISFCL) is one of many types of SFCL. It takes the advantage that no quenching occurs in superconducting wires during fault current limiting process. The immediately reacting and fast recovering are also its main characteristics. The structure and function of SISFCL is similar to that of traditional transformer and current limiting reactor respectively. Based on mature technologies on design and manufacture of iron core and windings of transformers, SISFCL could be made at the same voltage level as traditional transformers. But there are also significant differences between them. SISFCL will offer an effective solution to limit short-circuit current in future HV or EHV power systems because of its peculiar structures and properties. In this paper, we introduce the structure and characteristics of the SISFCL developed by Innopower. It may help readers to understand SISFCL and its enormous application value for power grids.

      • KCI등재

        Fermented cottonseed meal improves production performance and reduces fat deposition in broiler chickens

        Niu Jun Li,Wei Lian Qing,Luo Yuan Qing,Yang Wen Ting,Lu Qi Cheng,Zheng Xin Xia,Niu Yu Jie,Sheng Wen,Cheng Hong,Zhang Wen Ju,Nie Cun Xi 아세아·태평양축산학회 2021 Animal Bioscience Vol.34 No.4

        Objective: This study was conducted to investigate the effect of fermented cottonseed meal (FCSM) on growth performance, carcass traits, and fat deposition in white-feather broiler chickens. Methods: A total of 480 male one-day-old white-feather broiler chickens were selected randomly and divided into four groups with six replicates of 20 chickens in each. The experimental chickens were fed diets including 3%, 6%, or 9% FCSM fermented by Candida tropicalis until 42 days old. In the experiment, the chickens of the control group were fed soybean meal. Results: FCSM supplementation linearly decreased the feed conversion ratio from d 15 to 21 and d 36 to 42, respectively (p<0.05). The percentage of carcass and semi-eviscerate increased in response to dietary FCSM supplementation at d 21 (p<0.05). The percentage of eviscerated and semi-eviscerate of 3FCSM was higher than that in other groups at d 35 (p<0.05). At the age of 42 d, the percentage of carcass increased in a quadratic way among increasing FCSM in diets (p<0.05). The subcutaneous fat thickness linearly decreased with the increasing levels of FCSM at d 21 (p<0.05). Gompertz and Logistic functions provided a better fit on abdominal fat and subcutaneous fat, respectively. The best fitted equation predicted that the maximum growth rate of abdominal fat weight and subcutaneous fat thickness occurred at d 28. FCSM had no significant effects on the shape of growth curve of abdominal fat weight and subcutaneous fat thickness, but reduced the height of the curve. Birds receiving the 6FCSM diet for 21 d had smaller adipocyte surface and lower serum glucose as well as triglyceride concentration. Conclusion: FCSM is beneficial for broiler chickens as it positively affects their growth and carcass in addition to altering their fat deposition. Objective: This study was conducted to investigate the effect of fermented cottonseed meal (FCSM) on growth performance, carcass traits, and fat deposition in white-feather broiler chickens.Methods: A total of 480 male one-day-old white-feather broiler chickens were selected randomly and divided into four groups with six replicates of 20 chickens in each. The experimental chickens were fed diets including 3%, 6%, or 9% FCSM fermented by <i>Candida tropicalis</i> until 42 days old. In the experiment, the chickens of the control group were fed soybean meal.Results: FCSM supplementation linearly decreased the feed conversion ratio from d 15 to 21 and d 36 to 42, respectively (p<0.05). The percentage of carcass and semi-eviscerate increased in response to dietary FCSM supplementation at d 21 (p<0.05). The percentage of eviscerated and semi-eviscerate of 3FCSM was higher than that in other groups at d 35 (p<0.05). At the age of 42 d, the percentage of carcass increased in a quadratic way among increasing FCSM in diets (p<0.05). The subcutaneous fat thickness linearly decreased with the increasing levels of FCSM at d 21 (p<0.05). Gompertz and Logistic functions provided a better fit on abdominal fat and subcutaneous fat, respectively. The best fitted equation predicted that the maximum growth rate of abdominal fat weight and subcutaneous fat thickness occurred at d 28. FCSM had no significant effects on the shape of growth curve of abdominal fat weight and subcutaneous fat thickness, but reduced the height of the curve. Birds receiving the 6FCSM diet for 21 d had smaller adipocyte surface and lower serum glucose as well as triglyceride concentration.Conclusion: FCSM is beneficial for broiler chickens as it positively affects their growth and carcass in addition to altering their fat deposition.

      • KCI등재후보

        An Empirical Analysis of Economic Determinants of Chinese Outward FDI

        Niu Zhaozhao 전북대학교 산업경제연구소 2017 아태경상저널 Vol.9 No.3

        The increase of China’s outward foreign direct investment (OFDI) has lead to a growing number of research and studies. A variety of firm, industry and institution-related factors have been examined from the perspective of home country in prior studies. This research bases on the perspective of host country and focus on the country-level economic, political, institutional and cultural factors affecting the determinants and location choices of China’s outward FDI. This research offers an empirical analysis using panel data regressions on the determinants of China’s OFDI in 23 host countries during the period from 2008 to 2013. This research suggests that the determinants of location choices of China’s OFDI change following its global strategies.

      • KCI등재

        Effect of A- and B-site doping on the low-temperature dielectric and impedance properties of BaTiO3-based ceramics

        Niu Ruifeng,Wang Depeng,Cui Liqi,Wang Weitian 한국물리학회 2023 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.83 No.6

        In this work, two series of BaTiO3-based ceramics, Ba1-xSrxTiO3 (x=0, 0.2, 0.4, 0.6, 0.8) and BaTi1-xTaxO3 (x=0.03, 0.06, 0.075, 0.09, 0.1), were synthesized by using standard solid-state reaction method. Frequency-dependent dielectric and impedance properties were investigated in low temperature range of 300–100 K. The changes in dielectric properties of Ba1-xSrxTiO3 are believed to originate from the phase transition due to the diferent A-site Sr2+ doping concentration. The local electron-pinned defect-dipole efect is responsible for the enhancement of dielectric constant observed in B-site Ta5+ doped BaTi1-xTaxO3 ceramics. The complex impedance analysis was used to discern the temperature and frequency dependence of grains and grain boundaries responses. The results suggest the application of A- and B-site doped BaTiO3 ceramics in the feld of dielectric devices at low temperatures.

      • SCIESCOPUSKCI등재

        ASYMPTOTIC NORMALITY OF ESTIMATOR IN NON-PARAMETRIC MODEL UNDER CENSORED SAMPLES

        Niu, Si-Li,Li, Qlan-Ru Korean Mathematical Society 2007 대한수학회지 Vol.44 No.3

        Consider the regression model $Y_i=g(x_i)+e_i\;for\;i=1,\;2,\;{\ldots},\;n$, where: (1) $x_i$ are fixed design points, (2) $e_i$ are independent random errors with mean zero, (3) g($\cdot$) is unknown regression function defined on [0, 1]. Under $Y_i$ are censored randomly, we discuss the asymptotic normality of the weighted kernel estimators of g when the censored distribution function is known or unknown.

      • Study on ANT-based Wireless Network for Wearable Medical Monitoring

        Niu Fu Rong,Yan Yi Xin 보안공학연구지원센터 2016 International Journal of Future Generation Communi Vol.9 No.3

        Such technical features of ANT as protocol stack structure, data frame format and channel configuration are first introduced in the paper, and then targeted at the groups that need real-time medical monitoring, an ANT protocol-based wireless network medical monitoring system is established to realize real-time acquisition of corresponding physiological data. This system adopts the chip NRF24AP2 compatible with ANT protocol as the core component of wireless network nodes of the medical monitoring system to conduct design of software and hardware. It is shown through power consumption analysis and communication reliability testing of the wireless network that this network features low power consumption under the premise of operating reliability, applicable to various applications giving priority to low power consumption.

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