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Risk Factors for Anxiety in Major Depressive Disorder Patients
Li-Min Xin,Lin Chen,Zhen-Peng Ji,Suo-Yuan Zhang,Jun Wang,Yan-Hong Liu,Da-Fang Chen,Fu-De Yang,Gang Wang,Yi-Ru Fang,Zheng Lu,Hai-Chen Yang,Jian Hu,Zhi-Yu Chen,Yi Huang,Jing Sun,Xiao-Ping Wang,Hui-Chun 대한정신약물학회 2015 CLINICAL PSYCHOPHARMACOLOGY AND NEUROSCIENCE Vol.13 No.3
Objective: To analyze the sociodemographic and clinical factors related to anxiety in patients with major depressive disorder (MDD). Methods: This study involved a secondary analysis of data obtained from the Diagnostic Assessment Service for People with Bipolar Disorders in China (DASP), which was initiated by the Chinese Society of Psychiatry (CSP) and conducted from September 1, 2010 to February 28, 2011. Based on the presence or absence of anxiety-related characteristics, 1,178 MDD patients were classified as suffering from anxious depression (n=915) or non-anxious depression (n=263), respectively. Results: Compared with the non-anxious group, the anxious-depression group had an older age at onset (t=−4.39, p<0.001), were older (t=−4.69, p<0.001), reported more lifetime depressive episodes (z=−3.24, p=0.001), were more likely to experience seasonal depressive episodes (χ2=6.896, p=0.009) and depressive episodes following stressful life events (χ2=59.350, p <0.001), and were more likely to have a family history of psychiatric disorders (χ2=6.091, p=0.014). Their positive and total scores on the Mood Disorder Questionnaire (MDQ) and the 32-item Hypomania Checklist (HCL-32) (p<0.05) were also lower. The logistic regression analysis indicated that age (odds ratio [OR]=1.03, p<0.001), a lower total MDQ score (OR=0.94, p=0.011), depressive episodes following stressful life events (OR=3.04, p<0.001), and seasonal depressive episodes (OR=1.75, p=0.039) were significantly associated with anxious depression. Conclusion: These findings indicate that older age, fewer subclinical bipolar features, an increased number of depressive episodes following stressful life events, and seasonal depressive episodes may be risk factors for anxiety-related characteristics in patients with MDD.
Isolation and Culture of Entomopathogenic Fungus, Cordyceps sphecocephala
( Sung Hee Nam ),( Chun Ru Li ),( In Pyo Hong ),( Kyu Byoung Sung ),( Seok Woo Kang ),( Mei Zhen Fan ),( Zeng Zhi Li ) 한국잠사학회 2006 International Journal of Industrial Entomology Vol.13 No.2
In this study, morphology of perithecia, asci, ascospores, etc. of C. sphecocephala were examined for its telemorphic characteristics. Its colony grew up to 32 mm in diameter on potato dextrose agar (PDA) for 30 days under the condition of 24 ± 1°C. PDBLA and PDBAA media were selected as optimal media for C. sphecocephala, on which the growth was 1.5 times as fast as on PDA medium. Moreover, PDBLA medium induced successfully the synnemata of anamorphic state. C. sphecocephala was able to be proliferated in vitro on both larva and adult of honeybee drone as its substrate. After inoculated onto the drone larva, it produced mycelium at 24±1°C, with the maximum yield up to 67 ± 3 mg on the 50th day.
Retrieve CAD Model Based on Face Matching Sequence
Gao Xue-Yao,Li Hui-Nan,Hu Ru,Zhang Chun-Xiang 보안공학연구지원센터 2016 International Journal of Database Theory and Appli Vol.9 No.3
A new model retrieval method based on face matching sequence is proposed in this paper. Attribute adjacent graph is used to describe two faces’ geometry similarity and topological relationship in CAD model. According to the difference of edge numbers, similarities between two models’ faces are computed and face similarity matrix is constructed. Ant colony algorithm (ACA) is applied to obtain an optimal sequence of matching faces between two models. Accumulate similarity values of optimal matching faces to calculate two models’ similarity. Experimental results show that this method can evaluate two CAD models’ shape difference effectively.
Isolation and Culture of Entomopathogenic Fungus, Cordyceps sphecocephala
Nam, Sung-Hee,Li, Chun-Ru,Hong, In-Pyo,Sung, Kyu-Byoung,Kang, Seok-Woo,Fan, Mei-Zhen,Li, Zeng-Zhi Korean Society of Sericultural Science 2006 International Journal of Industrial Entomology Vol.13 No.2
In this study, morphology of perithecia, asci, ascospores, etc. of C. sphecocephala were examined for its telemorphic characteristics. Its colony grew up to 32 mm in diameter on potato dextrose agar (PDA) for 30 days under the condition of $24{\pm}1^{\circ}C$. PDBLA and PDBAA media were selected as optimal media for C. sphecocephala, on which the growth was 1.5 times as fast as on PDA medium. Moreover, PDBLA medium induced successfully the synnemata of anamorphic state. C. sphecocephala was able to be proliferated in vitro on both larva and adult of honeybee drone as its substrate. After inoculated onto the drone larva, it produced mycelium at $24{\pm}1^{\circ}C$, with the maximum yield up to $67{\pm}3mg$ on the $50^{th}$ day.
Enhanced Phase Relaxation in a Hybrid Ferromagnet/Semiconductor System
Kuang Yao Chen,Chun-Kai Yang,N. Aoki,Y. Ochiai,Y. Ujiie,K. A. Cheng,Li-Hung Lin,C. F. Huang,Yu-Ru Li,Yen Shung Tseng,Po-Tsun Lin,Jau-Yang Wu,Sheng-Di Lin,C.-T. Liang 한국물리학회 2009 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.55 No.1
Hybrid ferromagnet/semiconductor systems have been the focus of considerable attention because of the transport properties of two-dimensional electron systems and their potential applications to magnetic storage and sensing devices. We use the weak localization effect to probe the dephasing mechanism at low temperatures. In our study, the zero-temperature phase-relaxation rate can be enhanced in a hybrid ferromagnet/semiconductor system, which may be due to the inhomogeneous magnetic field emanating from the Ni film. The result may improve understanding of the issue of zero-temperature dephasing in disordered systems. Hybrid ferromagnet/semiconductor systems have been the focus of considerable attention because of the transport properties of two-dimensional electron systems and their potential applications to magnetic storage and sensing devices. We use the weak localization effect to probe the dephasing mechanism at low temperatures. In our study, the zero-temperature phase-relaxation rate can be enhanced in a hybrid ferromagnet/semiconductor system, which may be due to the inhomogeneous magnetic field emanating from the Ni film. The result may improve understanding of the issue of zero-temperature dephasing in disordered systems.
Bin Yang,Lei Hu,Ru Xia,Fang Chen,Shu-Chun Zhao,Yan-Li Deng,Ming Cao,Jiasheng Qian,Peng Chen 한국고분자학회 2016 Macromolecular Research Vol.24 No.1
In this study, nanofillers composed of hydroxylated carbon nanotubes (h-CNT), carbon nanotubes (CNT) and graphene (GR) were separately added into the dynamically-vulcanized polypropylene (PP)/ethylene-propylenediene monomer (EPDM) blend. Differential scanning calorimetry (DSC), wide-angle X-ray diffraction (WAXD) and electrical resistivity measurements were employed to study the effect of nanofillers on the melt behavior, non-isothermal crystallization behavior and electrical conductivity of the prepared composites. WAXD results showed that h-CNT had a better induction effect of β-PP in the nanocomposites. The sequence of the activity in inducing the formation of β-PP was h-CNT>GR>CNT. However, the total crystallinity of the nanocomposites nearly remained constant. Non-isothermal crystallization kinetic analysis indicated that the presence of nanofillers improved the crystallization rate of the nanocomposites. The consequence of nucleation activity was as follows: CNT>GR>h-CNT. Although EPDM hindered the macromolecular motion of PP, interestingly it could increase the crystallization rate to an extent. Besides, the influence of nanofillers on enhancing the conductive property of the nanocomposites can be ranked as follow: CNT>GR>h-CNT.
Bin Yang,Peng Zhang,Shu-Chun Zhao,Ru Xia,Li-Fen Su,Ji-Bin Miao,Peng Chen,Jia-Sheng Qian,You Shi 한국고분자학회 2019 폴리머 Vol.43 No.5
The poly(lactic acid) (PLA)/graphene (GN) composites were prepared by solution blending. An in situ measurement technique was adopted to examine the non-isothermal crystallization of PLA/GN composites, which was different from the typical circumstances at constant cooling rate in DSC. The rheological properties of the samples were investigated, and the Carreau-A model was applied to non-linearly fit the rheological data. The non-isothermal crystallization kinetics and solidification behaviors at variant cooling rates were investigated using a modified version of Avrami equation by Jeziorny coupled with three-parameter model (TPM) and four-parameter model (FPM). Our findings showed that the viscosity of the PLA/GN composites dropped with increasing shear rate or GN content. Crystallization kinetic analysis suggested that GN served as an effective nucleating agent for PLA under non-isothermal melt crystallization conditions with variant cooling rate.
Probing Insulator-quantum Hall Transitions by Current Heating
Kuang Yao Chen,N. Aoki,Y. Ochiai,K. A. Cheng,Li-Hung Lin,C. F. Huang,Yu-Ru Li,Yen Shung Tseng,Chun-Kai Yang,Po-Tsun Lin,Jau-Yang Wu,Sheng-Di Lin,C.-T. Liang 한국물리학회 2009 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.55 No.1
We report a magneto-transport study on the two-dimensional electron system (2DES) in an Al- GaAs/GaAs heterostructure. The direct insulator to quantum Hall conductor transition is observed at low temperatures by increasing the magnetic field B perpendicular to the 2DES. We can also observe the transition by varying the current I and find a relation Te~Ia between electron effective temperature Te and current. Here, a denotes the exponent for the power law. The exponent a, however, can have different values on the two sides of the transition point, which indicates different inelastic scattering mechanisms in the low-field insulator and in the quantum Hall conductor. We report a magneto-transport study on the two-dimensional electron system (2DES) in an Al- GaAs/GaAs heterostructure. The direct insulator to quantum Hall conductor transition is observed at low temperatures by increasing the magnetic field B perpendicular to the 2DES. We can also observe the transition by varying the current I and find a relation Te~Ia between electron effective temperature Te and current. Here, a denotes the exponent for the power law. The exponent a, however, can have different values on the two sides of the transition point, which indicates different inelastic scattering mechanisms in the low-field insulator and in the quantum Hall conductor.