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191.
时凌 《湖北民族学院学报(哲学社会科学版)》1998,(6)
在变换条件下对于JIT准时生产制排序问题中的一种特殊情况──排序问题中只含超前损失和延误损失,得到最优序列的一些条件。 相似文献
192.
《Women and birth : journal of the Australian College of Midwives》2021,34(2):e170-e177
BackgroundRates of induction of labour have been increasing globally to up to one in three pregnancies in many high-income countries. Although guidelines around induction, and strength of the underlying evidence, vary considerably by indication, shared decision-making is increasingly recognised as key. The aim of this study was to identify women’s mode of birth preferences and experiences of shared decision-making for induction of labour.MethodAn antenatal survey of women booked for an induction at eight Sydney hospitals was conducted. A bespoke questionnaire was created assessing women’s demographics, indication for induction, pregnancy model of care, initial birth preferences, and their experience of the decision-making process.ResultsOf 189 survey respondents (58% nulliparous), major reported reasons for induction included prolonged pregnancy (38%), diabetes (25%), and suspected fetal growth restriction (8%). Most respondents (72%) had hoped to labour spontaneously. Major findings included 19% of women not feeling like they had a choice about induction of labour, 26% not feeling adequately informed (or uncertain if informed), 17% not being given alternatives, and 30% not receiving any written information on induction of labour. Qualitative responses highlight a desire of women to be more actively involved in decision-making.ConclusionA substantial minority of women did not feel adequately informed or prepared, and indicated they were not given alternatives to induction. Suggested improvements include for face-to-face discussions to be supplemented with written information, and for shared decision-making interventions, such as the introduction of decision aids and training, to be implemented and evaluated. 相似文献
193.
Experimental and empirical literature on individual decision-making has shown a remarkable difference between planning and ongoing decisions: when asked to plan their actions, people overweight events with low probability; on the contrary, in ongoing decisions, they tend to ignore them. We report on a laboratory experiment designed to explore the presence of this decisional inconsistency in taxpayers’ behavior, by means of a commitment system for compliance. In line with the overweighting of events with small probabilities (i.e. fiscal audits), we find that planning induces the majority of people not only to adopt a mechanism of commitment to tax compliance, but also to actually comply. 相似文献
194.
Gillian Youngs 《Information, Communication & Society》2001,4(1):14-33
This paper examines the gender matrix of time, arguing for cross-disciplinary consideration of political economy, globalization and technology to achieve a detailed understanding of gendered hierarchies of time and the ways in which public/private identifications of social space and time have variously constructed and maintained them. It is argued that women are alienated from their own time, which is identified as most legitimately allocated to the service of others both in the home and at work. The inter-relationship of technologies and gendered identities is explored in relation to public/private divisions and the political-economic and scientific-technological knowledge processes that contribute to upholding them. ICTs reflect these historically established gendered patterns, but international projects such as 'Women on the Net' also demonstrate the capacities of these technologies for disrupting the gender matrix of time through their use by women for women. 相似文献
195.
Following the UK’s EU referendum in June 2016, there has been considerable interest from scholars in understanding the characteristics that differentiate Leave supporters from Remain supporters. Since Leave supporters score higher on conscientiousness but lower on neuroticism and openness, and given their general proclivity toward conservatism, we hypothesized that preference for realistic art would predict support for Brexit. Data on a large nationally representative sample of the British population were obtained, and preference for realistic art was measured using a four‐item binary choice test. Controlling for a range of personal characteristics, we found that respondents who preferred all four realistic paintings were 15–20 percentage points more likely to support Leave than those who preferred zero or one realistic paintings. This effect was comparable to the difference in support between those with a degree and those with no education, and was robust to controlling for the respondent’s party identity. 相似文献
196.
Ulrich Gehmann 《Culture and Organization》2013,19(2):105-119
This article outlines some basic characteristics of modern myths that fundamentally differ from the traditional myths on which most myth research is based, namely: their relation to time, and their relation to themselves. The article also takes a closer look at the implications these differences have for our present state of Being. The aim is not to offer yet another variation on the academic discussion of myths, but rather to provide a starting point for further discussion about the peculiarities and impacts pertaining to modern myths. 相似文献
197.
《Chinese Journal of Communication》2013,6(2):198-217
China's emerging media market, despite having heavy entry regulations, attracts foreign companies that suffer from saturation and stagnation in their home markets. This paper seeks to provide an understanding of how some of the world's largest media companies perceive their opportunities and challenges in China by discussing research interviews with company managers. It analyzes the findings of the interviews in the light of existing conceptualizations, which suggest that in emerging and opening media markets, cultural barriers to the success of imported media increase with the waning interest in foreign media and the increasing strength of the domestic media industry. The article suggests that Chinese audiences will become more inwardly oriented in their media tastes and that if the Chinese media market opens further in the future, the existing advantages that the Western media companies appear to have over their Chinese counterparts will have diminished by that time. 相似文献
198.
利用1995-2006年数据,采用时序多指标综合评价法,对中国各地区经济发展水平进行评价研究。结论表明:虽然中国1995-2006年经济增长迅速,但是经济发展水平并未得到显著提高;各地区经济发展不均衡,地域差距较大且有逐年扩大的倾向。 相似文献
199.
This work presents a study about the smoothness attained by the methods more frequently used to choose the smoothing parameter in the context of splines: Cross Validation, Generalized Cross Validation, and corrected Akaike and Bayesian Information Criteria, implemented with Penalized Least Squares. It is concluded that the amount of smoothness strongly depends on the length of the series and on the type of underlying trend, while the presence of seasonality even though statistically significant is less relevant. The intrinsic variability of the series is not statistically significant and its effect is taken into account only through the smoothing parameter. 相似文献
200.
Yuriy S. Kharin Valeriy A. Voloshko 《Journal of statistical planning and inference》2011,141(9):3276-3288
A family of robust estimators for coefficients of Gaussian AR(p) time series under simultaneously influencing distortions of two types: outliers and missing values, is proposed. The estimators are based on special properties of the Cauchy probability distribution; consistency and the asymptotic normality of these estimators are proven. An approximate solution of the problem of minimization of the asymptotic variance within the proposed family of estimators is found. Performance of the proposed estimators is illustrated for simulated time series and for real data sets. 相似文献