排序方式： 共有9条查询结果，搜索用时 15 毫秒
1
1.
Koji Murofushi Shinji Sakurai Koji Umegaki Junji Takamatsu 《Sports biomechanics / International Society of Biomechanics in Sports》2013,12(3):301-314
Ground reaction force and wire tensile force were measured during test throws by three hammer throwers: the Asian record holder, who had a personal best of 83.47 m at the time of the investigation, and two university athletes, with personal bests of 59.95 m and 46.30 m respectively. They were filmed using three high-speed video cameras (250 Hz). The displacements of the hammer head and the athletes' centres of mass were calculated using three-dimensional analysis procedures. The Asian record holder's centre of mass and the hammer head on the final two turns exhibited approximate conjunctions of the hammer high point and the thrower's low point and vice versa about the hammer's azimuth angle. It is conjectured that the reason why the thrower's movement is asynchronous with the hammer's movement by approximately half a turn is to accelerate the hammer head in a manner similar to the way that the amplitude of a pendulum increases when it is pulled upward by a string against the downward movement of the swinging weight. 相似文献
2.
3.
Murofushi K Sakurai S Umegaki K Takamatsu J 《Sports biomechanics / International Society of Biomechanics in Sports》2007,6(3):301-314
Ground reaction force and wire tensile force were measured during test throws by three hammer throwers: the Asian record holder, who had a personal best of 83.47 m at the time of the investigation, and two university athletes, with personal bests of 59.95 m and 46.30 m respectively. They were filmed using three high-speed video cameras (250Hz). The displacements of the hammer head and the athletes' centres of mass were calculated using three-dimensional analysis procedures. The Asian record holder's centre of mass and the hammer head on the final two turns exhibited approximate conjunctions of the hammer high point and the thrower's low point and vice versa about the hammer's azimuth angle. It is conjectured that the reason why the thrower's movement is asynchronous with the hammer's movement by approximately half a turn is to accelerate the hammer head in a manner similar to the way that the amplitude of a pendulum increases when it is pulled upward by a string against the downward movement of the swinging weight. 相似文献
4.
This study examines changes in organizational cultures of Japanese and US corporations between 1998 and 2008 through the lens of communication. Specifically, it analyzes organizational values that are manifest in the use of specific terms in the texts of corporate annual reports (N = 255). By doing so, this study empirically determines the patterns that describe over-time changes in organizational cultures of Japanese and US corporations. Theoretically, this study investigates whether the basic premise of the theory of convergence is applicable to the study of organizational culture change. To that end, three dimensions of organizational values—performance, continuity, and growth—have been derived. To test the hypotheses and the research question offered, this study examines the effects of time in years, national culture, and the interaction between the two on the three value dimensions. Using linear growth model analysis, this study found that time and national culture had significant effects on the use of the terms related to the performance and continuity dimensions. The effects were not significant for the growth dimension. In none of the cases, the interaction effects between time and national culture were significant. The results provided evidence to support the parallel change pattern for the performance and continuity dimensions and the unitary stability pattern for the growth dimension. The findings partially support the premise of the theory of convergence. 相似文献
5.
Studying cultural differences in argument forms helps us understand the nature of communicative problems that inevitably arise in intercultural conflict and negotiation. Although a number of studies have been conducted in the past to examine cultural differences in arguments, we still do not have sufficient evidence to support that cultural groups actually differ in the manners in which they construct arguments. Given the situation, this study empirically examines whether and how cultural groups differ in forms of written arguments. Based on the theoretical framework of verbal communication styles proposed by Gudykunst and Ting-Toomey, this study employs two dimensions along which two cultural groups, Japan and the United States, are likely to differ: direct–indirect and elaborate–succinct. Five indicators of argument forms that represent values on either of the two dimensions are used to analyze differences in argument forms between the two cultural groups. A survey was conducted in Japan and the United States. A total of 329 responses from college students, including 239 from Japan and 90 from the United States, were analyzed to test the hypotheses offered in this study. Consistent with the hypotheses, results indicate that the arguments written by the Japanese respondents are significantly more indirect and succinct those written by the U.S. counterparts. The implications of these findings for future research are discussed. 相似文献
6.
Harriet Nyanchama Ocharo Shinobu Hasegawa 《Education and Information Technologies》2018,23(5):2093-2110
Reviewer comments in research articles such as journal papers or dissertations guide students during the revision process to improve the quality of their articles. Our goal is to make the comments more meaningful to the students’ revision process. Revision involves implicit cognitive processes and ICT has the potential to make such processes explicit. Previous research into the cognitive processes involved in revision has shown that novices focus on local, sentence level revision while expert writers focus on global revision of ideas or restructuring of arguments. For better quality writing, students should focus more on global revision. The reviewer comments can either trigger more meaningful global revision (content-related comments) or local revision (non content-related comments). In this paper, a machine learning algorithm was applied to classify the comments in academic drafts in our laboratory as either content-related or not. Reviewer comments in academic article drafts are usually short. Therefore, this research applied a Support Vector Machine (SVM) algorithm for the classification, which is one of the most common machine learning algorithms for short texts. Performance evaluation was based on the measures of accuracy, precision and recall for the non content-related comments. Using cross validation, highest scores of 86%, 89% and 89% were achieved for accuracy, recall, and precision, respectively. The results demonstrate the success of the automatic classification, which can be applied to filter out non content-related comments so that the students focus first on revising the content-related comments. In this way, the students can increase their awareness of the importance of global revision. 相似文献
7.
Shinobu Suzuki 《Communication quarterly》2013,61(1):123-143
This study examines how an individual's argumentative communication traits and involvement, a situational factor, account for the way the individual structures his or her written argument. Research questions were posited to ask which of the 3 models—the Interaction Model, the Mediation Model, and the Simple Main Effects Model—best predicts the use of macro- and micro-structures of written argument. Logistic and multiple regression analyses were conducted to analyze 229 usable responses collected from Japanese college students. The results revealed that the Mediation Model and the Simple Main Effects Model are viable models. Argumentative traits and involvement interrelate to explain argument structures, revealing a somewhat complex but interpretable mechanism. 相似文献
8.
This paper presents a method of structured-information extraction from patent-claim sentences. A patent-claim sentence is converted to the internal form of a case structure by a semi-automatic parsing. The internal form is normalized and the specified information is efficiently extracted by referring to a specification table given every special branch. The specification table consists of several subframes which specify the items to be extracted in a standard case structure. The extracted information is stored in relational tables for relational retrieval and some precision-oriented retrieval using role-indicators. The feasibility and the effectiveness of this method are examined by a computer simulation. 相似文献
9.
Shinobu Takamatsu Yoneharu Fujita Fujio Nishida 《Information processing & management》1980,16(3):155-167
This paper presents a method of normalizations of English titles and their retrieval. The title expressed by a noun phrase or a noun clause is converted to a function-expression by parsing. For the retrieval with a reasonable recall rate as well as a high precision rate, the function-expression is transformed to a predicate-governor form, and then normalized to a standard form. Therefrom, various items are extracted and recorded in a hierarchical tree-like inverted file.In order to keep the recall rate in a reasonable value, several retrieval stages are implemented based on the key-term and case-label matching. The retrieval is controlled by the preciseness of the specification of case-labels for each key-term. 相似文献
1