http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Kouhi, Mohammad,Vahedi, Ali,Akbarzadeh, Abolfazl,Hanifehpour, Younes,Joo, Sang Woo Springer 2014 NANOSCALE RESEARCH LETTERS Vol.9 No.1
<P>Quadratic electro-optic effects (QEOEs) and electro-absorption (EA) process in a GaN/AlGaN spherical quantum dot are theoretically investigated. It is found that the magnitude and resonant position of third-order nonlinear optical susceptibility depend on the nanostructure size and aluminum mole fraction. With increase of the well width and barrier potential, quadratic electro-optic effect and electro-absorption process nonlinear susceptibilities are decreased and blueshifted. The results show that the DC Kerr effect in this case is much larger than that in the bulk case. Finally, it is observed that QEOEs and EA susceptibilities decrease and broaden with the decrease of relaxation time.</P>
Influence of Apical Meristem Culture and Thermotherapy on Production of Healthy Fig Plants
Amir Sahraroo,Mesbah Babalar,Ali Ebadi,Mina Kouhi Habibi,Abdollah Khadivi-Khub 한국원예학회 2009 Horticulture, Environment, and Biotechnology Vol.50 No.1
In this study, production of healthy fig plant using apical meristem culture and thermotherapy in fig (Ficus carica L. cv. Jaami-e-Kan) was conducted. At first, apical meristem (0.2-0.4 and 0.5-0.7 ㎜ in size) of the plant with evident fig mosaic disease (FMDs) symptoms were developed on MS solid medium supplemented with 0.5 ㎎ㆍℓ<SUP>-1</SUP> 6-benzyladenine (BA) and 0.1 ㎎ㆍℓ<SUP>-1</SUP> α-naphthalene acetic acid (NAA). In addition, nodal segment from meristemic microshoots were proliferated on MS medium supplemented with BA (1, 1.5 and 2 ㎎ㆍℓ<SUP>-1</SUP>) and NAA (0, 0.1 and 0.5 ㎎ㆍℓ<SUP>-1</SUP>). Finally, the plantlets were rooted on half strength MS medium containing IBA (0.5, 1, 1.5 and 2 ㎎ㆍℓ<SUP>-1</SUP>). Significant differences were observed between the treatments. Smaller meristems (0.2-0.4 ㎜) showed the best result in removing the FMDs symptoms after 12 months (93%). Shoot proliferation rate was found to be higher in the medium containing 2 ㎎ㆍℓ<SUP>-1</SUP> BA than other concentrations. Highest numbers of rooted plantlets were obtained from 1.5 and 2 ㎎ㆍℓ<SUP>-1</SUP> IBA. At the second experiment, potted plantlets with evident symptoms were subjected with two alternating high temperature regime (35/40℃ and 30/35℃ dark/light) and were evaluated after 4 and 6 weeks. Thermotherapy regime with 35/40℃ dark/light during 6 weeks was significantly (p<0.05) effective on removing the FMDs symptoms (98%).
Reza Hoseinabadi,Akram Pourbakht,Nasrin Yazdani,Ali Kouhi,Mohammad Kamali,Farzaneh Zamiri Abdollahi,Sadegh Jafarzadeh 대한청각학회 2018 Journal of Audiology & Otology Vol.22 No.4
Background and Objectives: Although repositioning maneuvers have shown remarkable success rate in treatments of benign paroxysmal positional vertigo (BPPV), the high recurrence rate of BPPV has been an important issue. The aims of present study were to examine the effects of otolith dysfunction on BPPV recurrence rate and to describe the effect of vestibular rehabilitation exercises on BPPV recurrence in BPPV patients with concomitant otolith dysfunction. Subjects and Methods: Forty-five BPPV patients included in this study (three groups). Patients in group 1 had no otolith dysfunction and patients in groups 2 and 3 had concomitant otolith dysfunction. Otolith dysfunction was determined with ocular/cervical vestibular evoked myogenic potential (oVEMP and cVEMP) abnormalities. Epley’s maneuver was performed for the patients in all groups but patients in group 3 also received a 2-month vestibular rehabilitation program (habituation and otolith exercises). Results: This study showed that BPPV recurrent rate was significantly higher in patients with otolith dysfunction in comparison to the group 1 (p<0.05). Vestibular rehabilitation resulted in BPPV recurrence rate reduction. Utricular dysfunction showed significant correlation with BPPV recurrence rate. Conclusions:Otolith dysfunction can increase BPPV recurrence rate. Utricular dysfunction in comparison to saccular dysfunction leads to more BPPV recurrence rate. Vestibular rehabilitation program including habituation and otolith exercises may reduce the chance of BPPV recurrence.