• 근관절건강학회지
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• 제20권1호
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• pp.10-21
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• 2013

Purpose: This study was conducted to describe the meaning units of the teaching experience of Tai Chi instructor with nursing background, consequently to expand areas where nurses can work. Methods: Participants were four nurses who have worked as Tai Chi instructors for 5 to 8 years. An in-depth interview was conducted from June, 2010 to February, 2011. Each interview took 40 min to 4 hours. The data were analyzed with qualitative content analysis, by repeatedly listening to the tapes and reading the transcription to find the emerged meaningful words, phrases, and sentences. Results: Through the content analysis, 19 theme clusters were emerged and grouped together into seven categories: 'establishing my identity as an instructor', 'enjoying myself practicing Tai Chi', 'being confident about teaching Tai Chi with nursing background', 'exploring better ways to teach and motivate the class', 'feeling good about helping people to be healthy', 'accepting teaching Tai Chi as a lifetime job', 'contributing to health promotion with Tai Chi." Conclusion: Teaching and helping others to promote health were parts of nursing. Tai Chi can be used to promote health in the low-income population with limited access to health care system.

• Journal of applied mathematics & informatics
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• 제6권3호
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• pp.937-942
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• 1999

In this paper we will show that if [G($\chi$),$\chi$] D($\chi$) and [D($\chi$), G($\chi$)] lie in the nil radical of A for all $\chi$$\in$A, then either D or G maps A into the radical where D and G are derivations on a Banach algebra A.

• Journal of applied mathematics & informatics
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• 제5권2호
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• pp.539-546
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• 1998

Let A be a noncommutative Banach algebra. Suppose that a continuos linear Jordan derivation D:A$\longrightarrow$A is such that either $[D^2(\chi),\chi^2]\;or\;(D^2(\chi),\chi]+(D(\chi))^2$ lies in the jacobson radical of A for all $\chi$$\in$A. Then D(A) is contained in the Jacobson radical of A.

• 한국수학교육학회지시리즈B:순수및응용수학
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• 제3권1호
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• pp.47-52
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• 1996

We consider the third order linear homogeneous differential equation L$_3$(y) = y(equation omitted) ＋ P($\chi$)y' ＋ Q($\chi$)y = 0 (E) P($\chi$) $\geq$ 0, Q($\chi$) ＞ 0 and P($\chi$)/Q($\chi$) is nondecreasing on [${\alpha}$, $\infty$) for some real number ${\alpha}$. (1) In this paper we discuss the distribution of zeros of solutions and a condition of oscillatory for equation (E).(omitted)

• Journal of Microbiology and Biotechnology
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• 제18권4호
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• pp.784-787
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• 2008

Antifungal activity of ChiCW and synergistic interactions between ChiCW with fungicides were investigated. Conidial germinations of phytopathogenic fungi, Alternaria brassicicola, Botrytis elliptica, and Colletotrichum gloeosporioides, were inhibited by ChiCW but A. longipes was not. In addition, ChiCW showed synergistic effect with fungicides Switch (cyprodinil+fludioxonil) and tebuconazole to inhibit fungal conidial germinations. The level of synergism of ChiCW with tebuconazole was higher than that with Switch. The results indicate that ChiCW may exhibit a higher level of synergism with fungicides that have a primary effect upon membranes.

• 한국수학교육학회지시리즈B:순수및응용수학
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• 제9권1호
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• pp.1-7
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• 2002

For A bounded subset G of a metric Space (X,d) and $\chi \in X$, let $f_{G}$ be the real-valued function on X defined by $f_{G}$($\chi$)=sup{$d (\chi, g)\in:G$}, and $F(G,\chi)$={$z \in X:sup_{g \in G}d(g,z)=sup_{g \in G}d(g,\chi)+d(\chi,z)$}. In this paper we discuss some properties of the map $f_G$ and of the set $ F(G, \chi)$ in convex metric spaces. A sufficient condition for an element of a convex metric space X to lie in $ F(G, \chi)$ is also given in this pope.

• 한국진공학회지
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• 제3권2호
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• pp.239-246
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• 1994

Cd1-xCoxIn2Se4($\chi$=0.000, 0.001, 0.005, 0.10, 0.50) 단결정을 수직 Bridgman 방법으로 성장시키고 성장된 단결정의 조성 및 결정구조를 조사하고 광학적 특성을 연구하였다. 성장된 단결정은 pesudocubic 구조이고 격자상수는 조성$\chi$가 증가함에 따라 약간씩 감소하였다. 기초 흡수단 영역에서의 광흡수 spectra 측정에서 이 단결정들은 간접전이 및 직접전이 및 직접전이 energy gap을 갖고 있으며 이들 energy gap의 조성의존성은 조성이 $\chi$=0.00에서 $\chi$=0.016까지는 기울기가 같고 $\chi$=0.016에서 기울 기가 변화되어서 $\chi$=0.016에서 $\chi$=0.50까지는 같은 기울기를 갖고 있다. 이러한 현상은 $\chi$=0.016에서부터 CdIn2Se4 내에 cobalt를 포함한 새로운 물질이 형성되고 이 물질과 a-CdIn2Se4 사이에 고체고용체를 형 성하기 때문이다.

• 대한수학회지
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• 제41권6호
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• pp.1049-1070
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• 2004

We classify all partial differential equations with polynomial coefficients in $\chi$ and y of the form A($\chi$) $u_{{\chi}{\chi}}$ ＋ 2B($\chi$, y) $u_{{\chi}y}$ ＋ C(y) $u_{yy}$ ＋ D($\chi$) $u_{{\chi}}$ ＋ E(y) $u_{y}$ = λu, which has weak orthogonal polynomials as solutions and show that partial derivatives of all orders are orthogonal. Also, we construct orthogonal polynomials in d-variables satisfying second order partial differential equations in d-variables.s.

• Journal of applied mathematics & informatics
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• 제12권1_2호
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• pp.313-321
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• 2003

In this Paper we show the following: Let R be a prime ring (with characteristic different two) and a $\in$ R. Let Θ, $\phi$ : R longrightarrow R be automorphisms and let d : R longrightarrow R be a nonzero Θ-derivation. (i) if［d($\chi$), a］Θo$\phi$ = 0 (or d(［$\chi$, a］$\phi$ = 0) for all $\chi$ $\in$ R, then a+$\phi$(a) $\in$ Z, the conte. of R, (ii) if〈d($\chi$), a〉 = 0 for all $\chi$$\in$R, then d(a) =0. (iii) if [ad($\chi$), $\chi$］$\phi$= 0 for all $\chi$$\in$R, then either a = 0 or R is commutative.

• 재활간호학회지
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• 제9권1호
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• pp.42-48
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• 2006

Purpose: The purpose of this study was to explore the effect of Tai Chi exercise on pain, balance, gait and physical function of patients with low back pain. Method: This study was designed one group pretest-posttest design. Tai Chi exercise was conducted by researcher and carried out for sixty minutes per one time and two times a week for six weeks. The subjects of this study consisted of 23 low back patients. Using the SPSS win 10.0 program was used for data analysis, which included frequency, percentage and paired t-test. Result: Tai Chi exercise decreased pain, improved balance and gait, increased physical function(back muscle strength, leg muscle strength and flexibility). Conclusion: The results suggested Tai Chi exercise can be effective nursing intervention to improve pain, balance, gait and physical function of patients with low back pain.