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61.
Drawing on recent ethnographic research in one single‐sex, private primary school, this paper will explore what it meant for the girls in this setting to embody the discourse of the ‘lady’. The paper will propose that classed and gendered discourses of respectability featured strongly in the girls’ lives, as they were expected to behave like ‘proper’ upper‐middle‐class ladies. However, the paper will also suggest that these discourses were being reworked through post‐feminist, neo‐liberal notions of modern girlhood, meaning that the girls also felt compelled to make themselves as heterofeminine ‘girly’ girls; as sassy, sexy and successful, as well as respectable and upper‐middle‐class(y) enough. By exploring the clash between these two sets of discourse, the paper will specifically seek to examine the lived embodiment of intersections of class, gender and sexuality and to explore the relevance of Judith Butler’s heterosexual matrix for these upper‐middle‐class girls.  相似文献   
62.
Compared with the traditional focus on developmental problems, research on positive development is relatively new. Empirical research in children's well‐being has been scarce. The aim of this study was to develop a theoretically and empirically based instrument for practitioners to observe and assess preschool children's well‐being in early childhood settings. The analysis of preschool teachers' ratings yields six dimensions of social‐emotional well‐being: (1) making contact/social performance, (2) self control/thoughtfulness, (3) self‐assertiveness, (4) emotional stability/coping with stress, (5) task orientation, (6) pleasure in exploration. Composite scales were constructed. PERIK consists of six scales of six items each. The scales differentiate in both the upper and lower range and despite their brevity have good psychometric qualities. The instrument was published together with a booklet containing examples of how PERIK observations can be employed in practical work with children.  相似文献   
63.
Almost all 3‐ and 4‐year‐olds in Scotland now experience some form of pre‐school provision prior to school entry. Given such high rates of participation, the impact of pre‐school experiences on children's readiness for primary school has become an important issue for those involved in the early stages of compulsory schooling. Teachers in early years classes need to be aware of the experiences and achievements of individual children in their pre‐school setting to enable each child to transfer into mainstream education with the least amount of disruption to their learning. This study was carried out in one small Scottish local authority and explored the perceptions of early years teachers, from a diverse range of primary schools, of what information is important for them as children start school. This article presents the perspectives of Primary 1 teachers on children's readiness for schooling. It reports the factors, which these teachers identified as having an impact on successful transition from the pre‐school setting into the primary school.  相似文献   
64.
The self‐weighted mean (WS) – in which each value is weighted by itself – is presented in several contexts and illustrated. It is incorporated in a set of more familiar means. Intuitions concerning WS are explored.  相似文献   
65.
Novel high torque bearingless two-sided rotary ultrasonic motor   总被引:3,自引:0,他引:3  
Applications are limited at present because the currently available ultrasonic motors (USMs) do not provide suffi-ciently high torque and power. The conventional travelling-wave USM needs the bearing to support, which required lubricant. To solve the above problem, a bearingless travelling-wave USM is designed. First, a novel structure of the two-sided USM consisting of a two-sided teeth stator and two disk-type rotors is designed. And the excitation principle of the two-sided travelling-wave USM is analyzed. Then, using ANSYS software, we set up the model of the stator to predict the excitation frequency and modal response of the stator. The shape of the vibration mode was obtained. Last, the load characteristics of the USM are measured using ex-perimental method. The maximum stall torque and the no-load speed were obtained. The results showed that the characteristics of the two-sided USM are better than those of the conventional one-sided USM.  相似文献   
66.
Induction motor faults including mechanical and electrical faults are reviewed. The fault diagnosis methods are summarized. To analyze the influence of stator current, torque, speed and rotor current on faulted bars, a time-stepping transient finite element (FE) model of induction motor with bars faulted is created in this paper. With wavelet package analysis method and FFT method, the simulation result of finite element is analyzed. Based on the simulation analysis, the on-line fault diagnosis system of induction motor with bars faulted is developed. With the speed of broken bars motor changed from 1 478 r/min to 1 445 r/min, the FFT power spectra and the wavelet package decoupling factors are given. The comparison result shows that the on-line diagnosis system can detect broken-bar fault efficiently.  相似文献   
67.
The present study examines the development of sight word reading in young children by examining changes in their self‐reported reading strategies over time. A sample of 65 five to seven year olds were asked to read 40 real word items, all carefully matched for letter length and word frequency, on three separate occasions. Changes in the children’s word identifications were measured using immediately retrospective verbal self‐reports. Overall, the results showed some variability in the children’s self‐reported reading strategies. Over time the children relied less on phonological strategies and moved towards reliance on directly retrieving words from memory. This change was most evident in the older children; while both year groups showed similar patterns of shifting reliance from explicit phonological strategies to retrieval, this shift was simply less frequent among the younger children. An analysis of word‐specific changes in reading strategies showed that the older children had a better sight vocabulary for more complex word items. These findings provide further support for Ehri’s mediated phase theory in explaining children’s development in learning to read.  相似文献   
68.
交流变频电动机是电力机车的一种新装置,本文主要介绍了韶山7E电力机车交流变频电动机的技术特点。  相似文献   
69.
The only major review of the education welfare service (EWS) took place in 1973 when the role and responsibilities of the service were very different from those of today. Recent legislative changes, the influence of the Children Act 2004 and revised public needs of the service, including new multidisciplinary and interdisciplinary frameworks, suggest that an up‐to‐date review would be timely. It may also help to professionalise the service in a number of different ways, something which is long overdue. This paper provides both the rationale and evidence for making the case for a major review of the EWS based on a reading of all key relevant documents and participation in a range of local and national evaluations on the role of the EWS in England and Wales. The major issues which need to be reviewed are identified and a way forward is suggested.  相似文献   
70.
Drawing on research that sought to explore the characteristics of ‘Possibility Thinking’ as central to creativity in young children's learning, this paper considers question‐posing and question‐responding as the driving features of ‘Possibility Thinking’ (PT). This qualitative study employed micro‐event analysis of peer and pupil–teacher interaction. Events were sampled from two early years settings in England, one a Reception classroom (4‐ to 5‐year olds) and the other a Year 2 classroom (6‐ to 7‐year olds). This article arises out of the second stage of an ongoing research programme (2004–2007) involving the children and practitioners in these settings. This phase considers the dimensions of question‐posing and the categories of question‐responding and their interrelationship within PT. Three dimensions of questioning were identified as characteristic of PT. These included: (i) question framing, reflecting the purpose inherent within questions for adults and children (including leading, service and follow‐through questions); (ii) question degree: manifestation of the degree of possibility inherent in children's questions (including possibility narrow, possibility moderate, possibility broad); (iii) question modality, manifestation of the modality inherent in children's questions (including verbal and non‐verbal forms). The fine‐grained data analysis offers insight into how children engage in PT to meet specific needs in responding to creative tasks and activities and reveals the crucial role that question‐posing and question‐responding play in creative learning. It also provides more detail about the nature of young children's thinking, made visible through question‐posing and responding in engaging playful contexts.  相似文献   
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