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말기 위암 외래 환자에게 제공된 통증관리의 염려 및 주저정도에 미치는 효과
공성화,이상홍,정자현,김지영,이수연,김순애 임상간호사회 2004 임상간호연구 Vol.10 No.1
Purpose: This study was designed to evaluate the effect of cancer pain-management-education on the concerns and hesitancy of pain-management in out-patient of terminal gastric cancer. Method: 24 terminal gastric cancer patients who had not surgery, were assigned to the control group and 24 were assigned to the experimental group receiving pain-management-education. As Measurement-instrument of concern on pain-management and questionnaire on degrees of hesitancy were used the questionnaire developed by Ward( 1993) and translated by Kim Hong-Soo(1998). Data were analyzed per descriptive analysis, x²-test and t-test with the SPSS 10.0 program. Result: Degrees of concern of cancer-patient on pain-management between experimental-group and control-group showed significant difference: Experimental-group changed from 2.52 to 1.13 point(maximum 5 point) and control-group from 2.59 to 2.40 point(p=.000). Degrees of hesitancy of cancer-patient on pain-management between two groups showed significant difference. Experimental-group changed from 2.33 to 1.35 point and control-group from 2.77 to 2.52 point(p=.000). Conclusion: Above findings showed that pain-management-education reduces the concern and hesitancy on pain-management in out-patient of terminal gastric cancer. We conclude that the pain-management-education in this study was identified the effective nursing program.
면취기 시스템에 있어서 부하의 관성모멘트에 따른 가변 PID 일정 장력제어의 기초연구
사공건,허 진,전홍배,김철한 東亞大學校 2001 東亞論叢 Vol.38 No.-
In the winding system, the constant tension control is too important. In this study, we've investigated about a variable PID system as a function of a radius of winding roll. As a result, it was possible to measure a winding roll radius in the real time by making a mathematical model for measuring a winding roll radius. Finally, we've compared PID parameters as a function of winding roll radius after getting PID parameters in terms of the Ziegler & Nichols(ZN) method.
사공건,전홍배,허 진,김철한 東亞大學校 2001 東亞論叢 Vol.38 No.-
In this study, a measuring system of the initial permeability of soft-ferrite powder is developed by using a linear variable differential transformer's coil, and investigated about a demagnetizing factor. Magnetic powder is extensively used for a magnetic fluid and microwave absorber's materials etc.. In these applications, it is significantly important for us to measure an initial permeability of magnetic ceramic powder. Unfortunately, there are not any measuring equipment and method directly up to the present.
견/합성섬유 혼방품의 1욕염색(Ⅶ) : 견/아크릴로니트릴 섬유 혼방품의 염색거동 Adsorption Behavior of Silk/Acrylonitrile Fiber
金公朱,김경수,전재홍,이화선 全北大學校 1995 論文集 Vol.40 No.-
In one bath dyeing system of silk/acrylonitrile(acryl) fabric with acid/disperse dyes and acid/cation dyes, adsorption behavior of acid dyes, disperse dyes and cation dyes on silk and acryl fabrics were examined. In the dyeing of acryl with the C. I. Disperse Red 19(Red 19) and The C. I. Disperse Red 60(Red 60), dye uptake with Red 19 was higher than that with Red 60. When the silk and acryl fabric were dyed with C. I. Basic Red 27(Red 27), dye uptake on the acryl was higher than that on the silk. When the silk/acryl fabric was dyed with Red 19 and Basic 27, solid shade could be obtained with Red 19 but could not be obtained with Basic 27. In the dyeing of silk/acryl fabric dyed with Blue 80/Red 27 and C. I. Acid Blue 113(Blue 113)/C. I. Basic Blue 116(Blue 116), compatibility could be obtained with Blue 80/Red 27 but that could not be obtained with Blue 113/Blue 116.
유철로,김홍규,이공희,이성룡 全北大學校 1992 論文集 Vol.34 No.-
A new multiple current source inverter for reducing the harmonics in output current is presented in this study. Condenser capacity necessary for the inverter design is decided by the commutation analysis of current source inverter with induction motor as load. And the proposed system operates 24 phase inverter by adding only tap changing circuit which consists of several taps and static switching elements to the 12 phase inverter, which is the double connected 6 phase inverter with an interphase reactor. Also to optimize the effectiveness of the harmonic reduction, the optimum turn ratio and tap changing control angle of interphase reactor are decided by digital simulation and its validity is verified with experiment. And under the optimum condition, it is clarified that the harmonics components involved in the output currents of the proposed inverter are nearly equal to those of the conventional 24 pulse inverter.
3종 페라이트/고무 복합형 전파흡수체에 있어서 재료정수의 주파수 의존성
김철한,전홍배,유영준,사공건 東亞大學校 1999 東亞論叢 Vol.36 No.-
In this study, ferrite/rubber composite specimens have prepared by molding and curing the mixture of matrix silicon rubber and three kinds of filler particle Mn-Zn/Ni-Zn/Ni₂Y ferrite which are synthesized by the coprecipitation mehtod. The mixing ratio of three kinds of ferrite filler paticle gave variety to adjust the material constant of composite microwave absorbers. Material constants of composite specimens were calculated from the measured variables(s-parameter) over the frequency range from 1 to 12 GHz by means of Network Analyzer(HP8722D) with a co-axial type air line. The reflection loss was calculated from material constants on the impedance matching map utilizing simplex method. By chaging mixing ratio of three kinds of ferrite filler particle, the frequency range over than 20dB were relatively broaden and maximum reflection loss were remarkably reduced to others specimens excepted specimen D. Finally, it could make microwave absorber to be used for C-band frequency range.
Hongli Gong,Boyan Wang,Yi Shi,Yong Shi,Xiyan Xiao,Pengyu Cao,Lei Tao,Yuezhu Wang,Liang Zhou 한국미생물학회 2017 The journal of microbiology Vol.55 No.8
The pharynx is an important site of microbiota colonization, but the bacterial populations at this site have been relatively unexplored by culture-independent approaches. The aim of this study was to characterize the microbiota structure of the pharynx. Pyrosequencing of 16S rRNA gene libraries was used to characterize the pharyngeal microbiota using swab samples from 68 subjects with laryngeal cancer and 28 subjects with vocal cord polyps. Overall, the major phylum was Firmicutes, with Streptococcus as the predominant genus in the pharyngeal communities. Nine core operational taxonomic units detected from Streptococcus, Fusobacterium, Prevotella, Granulicatella, and Veillonella accounted for 21.3% of the total sequences detected. However, there was no difference in bacterial communities in the pharynx from patients with laryngeal cancer and vocal cord polyps. The relative abundance of Firmicutes was inversely correlated with Fusobacteria, Proteobacteria, Actinobacteria, and Bacteroidetes. The correlation was evident at the genus level, and the relative abundance of Streptococcus was inversely associated with Fusobacterium, Leptotrichia, Neisseria, Actinomyces, and Prevotella. This study presented a profile for the overall structure of the microbiota in pharyngeal swab samples. Inverse correlations were found between Streptococcus and other bacterial communities, suggesting that potential antagonism may exist among pharyngeal microbiota.
열처리공학회지,제27권 제1호(2014) : GZO/ZnO 적층박막의 두께변화에 따른 구조적, 전기적, 광학적 물성 변화
김승홍 ( Seung Hong Gong ),김선경 ( Dong Kyung Kim ),김소영 ( So Young Kim ),전재현 ( Jae Hyun Jeon ),공태경 ( Tae Kyung Gong ),최동혁 ( Dong Hyuk Choi ),손동일 ( Dong Ll Son ),김대일 ( Daeil Kim ) 한국열처리공학회 2014 熱處理工學會誌 Vol.27 No.1
Ga doped ZnO (GZO) single layer and GZO/ZnO bi-Iayered films were deposited on glass substrates by radio frequency magnetron sputtering and then the influence of film thickness on the structural, electrical. and optical properties of the films was considered, Thicknesses of the GZO/ZnO films was varied as GZO 100 nm, GZO 85 nm/ZnO 15 nm and GZO 70 nm/ZnO 30 nm, respectively The observed result means that optical transmittance and electrical resistivity of the films were influenced with film thickness and GZO 85 nm/ZnO 15 nm bilayered films show the higher figure of merit than that of the films prepared other films in this study,
Preparation and properties of cement based piezoelectric composites modified by CNTs
Hong-Yu Gong,Yu-Jun Zhang,Jing Quan,Songwei Che 한국물리학회 2011 Current Applied Physics Vol.11 No.3
In this study, cement based piezoelectric composites have been prepared from Portland cement with the addition of 70 vol.% of PZT powders and various amounts of modified CNTs ranging from 0 to 1.3 vol.%. The CNTs act as a conductive filler dispersed in the cement matrix, improving the poling efficiency of the composites and enabling the poling process to be carried out at room temperature, in contrast to the 120 ℃ required for the PZT/cement composites without CNTs. The addition of CNTs significantly enhanced the piezoelectric properties of the composites. With a CNT content of 0.3 vol.%, the CNTs/PZT/cement composite showed the highest piezoelectric strain factors (d_33) of 62 pC/N and piezoelectric voltage factors (g_33) 60 × 10^-3 Vm/N, which are the promising characteristics for its potential use in the smart civil engineering structures.