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71.
Dodd Alyson L.; Mansell Warren; Morrison Anthony P.; Tai Sara 《Canadian Metallurgical Quarterly》2011,23(3):635
The Hypomanic Attitudes and Positive Predictions Inventory (HAPPI; W. Mansell, 2006) was developed to assess multiple, extreme, self-relevant appraisals of internal states. The present study aimed to validate the HAPPI in a clinical sample. Participants (N = 50) with a diagnosis of bipolar disorder (confirmed by a structured clinical interview) completed a series of questionnaires pertaining to clinical factors, reward motivation, cognitive style, symptoms, and functioning at baseline, in addition to the HAPPI. Over the following 4 weeks, participants were asked to complete self-report measures of symptoms (activation, perceived conflict, depression, and well-being), as well as work and social functioning, twice weekly. The authors hypothesized that the HAPPI would be associated with prospective bipolar symptoms and functioning, when controlling for baseline symptoms and potentially confounding measures. The HAPPI was positively, independently associated with activation and conflict after 4 weeks. Furthermore, individual HAPPI factors were associated with activation, conflict, and depression. The results provided preliminary support for the predictive validity of the HAPPI in a clinical sample. The HAPPI could be used in the future as a tool in cognitive behavioral therapy for bipolar disorder to identify problematic beliefs and guide formulation. (PsycINFO Database Record (c) 2011 APA, all rights reserved) 相似文献
72.
73.
Tai Sik Lee Dong Wook Lee Hyeeun Lee Hee Sun Park 《Canadian Metallurgical Quarterly》2005,21(4):159-163
The Leader–Member Exchange (LMX) relationship quality between superiors and subordinates in Korean civil engineering companies were empirically examined for superiors’ feedback-seeking behaviors. The results showed that for superiors, affect, loyalty, and contribution toward subordinates were positively related to seeking negative as well as positive feedback from subordinates. From subordinates’ point of view, affect, contribution, and professional respect toward their superiors were positively related to superiors’ negative feedback seeking, but affect was negatively related to superiors’ positive feedback seeking. It was also found that superiors and subordinates were not consensual in LMX and superiors’ feedback-seeking behaviors. For example, for superiors, all of the four LMX dimensions were positively related to superiors’ asking subordinates directly for feedback, whereas for subordinates, none of the LMX dimensions were significantly related to superiors’ asking subordinates directly for feedback. These and other findings are discussed in detail, and implications for the findings are provided. 相似文献
74.
Heng-Ming Tai 《Systems & Control Letters》1987,8(5):425-428
This paper addresses four characterizations of detectability and stabilizability for a broad class of linear continuous-time time-varying systems. It is shown that for the class of constant-rank systems all these notions of detectability and stabilizability are actually equivalent to each other. 相似文献
75.
采用真空感应熔炼制备了La0.8Mg0.2Ni3.3Co0.2Si x(x=0、0.1)电极合金,并将铸态合金进行真空退火处理,退火温度为900、950、1000和1050℃,保温时间为8h。用XRD分析了铸态及退火态合金的相结构,测试了铸态及退火态合金的电化学贮氢性能。结果表明,铸态及退火态合金均具有多相结构,包括两个主相(La,Mg)2Ni7和LaNi5以及一个残余相LaNi3。退火处理未改变合金的相组成,但使两个主相的含量发生明显改变。合金主相的晶格常数及晶胞体积随退火温度的增加而增加。铸态及退火态合金均具有良好的活化性能,第1次循环即可达到最大放电容量。退火处理明显改善了合金的电化学循环稳定性,合金的放电容量随退火温度的升高先增加后减小。合金的高倍率放电性能(HRD)、电化学交流阻抗谱(EIS)以及氢扩散系数(D)的测试表明,合金的电化学动力学随退火温度的升高先上升后降低。 相似文献
76.
Abstract This paper proposes a simple scheme to decompose an n×n nonpositive definite matrix, A, associated with simultaneous equations, A X = B, into a triple‐factors (lower triangular, diagonal, and upper triangular matrices), i.e., Å = L D U, without interchanging rows or columns of A, but with A expanded with new rows and new columns to an m×m matrix Å. Whenever a near‐zero diagonal element, say āii , is encountered and used as a pivoting element, an appropriate positive real number, say p, is added to this diagonal element, and a new term —pxk is also added to the i‐th equation, where xk is a new variable called “dummy variable'’. If we also add a new equation —pxi + pxk = 0 to enforce the new added variable xk equal to xi then the modified i‐th equation has the same effect as the original equation. Therefore, the original solution X can be found directly from the expanded solution of the modified expanded equation. The method is very useful in solving the following problems: (1) nonlinear problems near the limit state, (2) postbuckling analysis, (3) system equations with constraint conditions, and (4) getting eigenvectors from eigenvalues. 相似文献
77.
78.
In recent years, UV nano embossing (or imprinting) process has been widely used for mass replication of nano structures. Most
of the UV embossing machines use a UV transparent mold insert (e.g. quartz or glass). However, when a master of nano structures
of interest could be realized only in a UV non-transparent mold material, it would be desirable to have a UV embossing machine
which could be operated with such a UV non-transparent mold insert. In this regard, we have designed and manufactured a new
UV embossing system in such a way that UV non-transparent (e.g., metal or ceramic) mold inserts can also be used as the master
for the mass replication of nano structures. For the new UV embossing system, we fabricate several metal mold inserts: a nickel
electroformed mold insert having grating nano structures and two AAO (anodic aluminum oxide) mold inserts having dimple nano
structures and high-aspect-ratio nanopores. Finally, corresponding nano structures are successfully replicated via the UV
nano embossing machine developed in this study. 相似文献
79.
搜索引擎作为互联网主要应用之一,能够根据用户需求从互联网资源中检索并返回有效信息。然而,得到的返回列表往往包含广告和失效网页等噪声信息,而这些信息会干扰用户的检索与查询。针对复杂的网页结构特征和丰富的语义信息,提出了一种基于注意力机制和集成学习的网页黑名单判别方法,并采用本方法构建了一种基于集成学习和注意力机制的卷积神经网络(EACNN)模型来过滤无用的网页。首先,根据网页上不同种类的HTML标签数据,构建多个基于注意力机制的卷积神经网络(CNN)基学习器;然后,采用基于网页结构特征的集成学习方法对不同基学习器的输出结果执行不同的权重计算,从而实现EACNN的构建;最后,将EACNN的输出结果作为网页内容分析结果,从而实现网页黑名单的判别。所提方法通过注意力机制来关注网页语义信息,并通过集成学习的方式引入网页结构特征。实验结果表明,与支持向量机(SVM)、K近邻(KNN)、CNN、长短期记忆(LSTM)网络、GRU、结合注意力机制的卷积神经网络(ACNN)等基线模型相比,所提模型在所构建的面向地理信息领域的判别数据集上具有最高的准确率(0.97)、召回率(0.95)和F1分值(0.96),验证了EACNN在网页黑名单判别工作中的优势。 相似文献
80.
In this paper we propose a simple GPU-based approach for discrete incremental approximation of 3D Voronoi diagram. By constructing region maps via GPU. Nearest sites, space clustering, and shortest distance query can be quickly answered by looking up the region map. In addition, we propose another representation of the 3D Voronoi diagram for visualization. 相似文献