The majority of higher plants (including almost all important crops) demonstrate strict uniparental maternal inheritance of plasmagenes in the process of conventional sexual crossing; it is therefore impossible to generate heterozygosity for these genes with standard crossing procedures. However, recent experiments have shown that hybrid plants can be produced by somatic cell fusion and that these contain the cytoplasmic genes of both parents. The phenotypic and genetic properties of these hybrid plants are described here.

Companies in the world today understand that keeping users in touch is essential to enhancing their trust. The primary objective of this study was to determine the intention-based critical determinants of E-commerce utilization in China from the end users’ perspective. We developed a framework that identifies the factors that influence E-commerce utilization in China. Besides, we introduced observational research conducted in a real-world E-commerce sense. Results are based on a sample of 400 respondents by employing a comprehensive questionnaire survey. The (...) structural equation modeling and the partial least squares regression approach was used to analyze the data. Study results show that perceived usefulness, perceived ease of use, reputation, trust in vendors, and purchase frequency significantly influence consumers’ intention to use E-commerce systems. Research outcomes emphasize transforming social norms, raising consumers’ awareness, redesigning policy frameworks, and highlighting the paybacks that E-commerce offers through integrative and consistent efforts. (shrink)

With the popularity of computer-based testing, it is easier to collect item response times in psychological and educational assessments. RTs can provide an important source of information for respondents and tests. To make full use of RTs, the researchers have invested substantial effort in developing statistical models of RTs. Most of the proposed models posit a unidimensional latent speed to account for RTs in tests. In psychological and educational tests, many tests are multidimensional, either deliberately or inadvertently. There may be (...) general effects in between-item multidimensional tests. However, currently there exists no RT model that considers the general effects to analyze between-item multidimensional test RT data. Also, there is no joint hierarchical model that integrates RT and response accuracy for evaluating the general effects of between-item multidimensional tests. Therefore, a bi-factor joint hierarchical model using between-item multidimensional test is proposed in this study. The simulation indicated that the Hamiltonian Monte Carlo algorithm works well in parameter recovery. Meanwhile, the information criteria showed that the bi-factor hierarchical model is the best fit model. This means that it is necessary to take into consideration the general effects and the multidimensionality of the RT in between-item multidimensional tests. (shrink)

Ever since the ancient Chinese paradox "white horse is not horse" was brought into the context of Western philosophy, various interpretations have been proposed by modern scholars based on different theoretical considerations, although no satisfactory consensus has been reached. Controversy focuses especially on whether the paradox implies a realist or nominalist ontology.The controversy starts from Fung Yu-lan's realist reading of Gongsun Long. Fung read "white horse is not horse" as "white-horseness is different from horseness." "The universal, horseness, is the essential (...) attribute of all horses. … Such 'horseness' is distinct from 'white-horseness'". He ascribes to Gongsun Long a Platonic realism... (shrink)

This paper investigates the association between board characteristics and the company’s corporate social responsibility assurance decision in China. By examining 2054 firm-years of Chinese listed companies with CSR reports from 2008 to 2012, we find that firms with a large board size, more female directors, and separation of CEO and chairman positions are more likely to engage in CSR assurance. Gender diversity also influences the CSR assurance provider choice. However, board independence and overseas background of the CEO do not affect (...) the CSR assurance decision. Inconsistent with our prediction, firms with foreign directors are less likely to engage in voluntary CSR assurance. In summary, this research provides in-depth insights into the determinants of Chinese firms’ voluntary CSR assurance. (shrink)

Although big data analytics capability leads to competitive performance, the mechanism of the relationship is still unclear. To narrow the research gap, this paper investigates the mediating roles of two forms of resource integration in the relationship between two forms of BDAC [big data analytics management capability and BDA technology capability] and competitive performance. Supported by Partial Least Squares-Structural Equation Modeling and the cross-sectional survey data from 219 Chinese enterprises, the results show that the resource bricolage plays a significantly mediating (...) role in the relationships between BDA management capability and competitive performance as well as in the relationship between BDA technology capability and competitive performance. Furthermore, the mediating effect in the former relationship is stronger than that in the latter relationship. Additionally, BDA technology capability only has a direct effect on resource bricolage, while BDA management capability has a stronger effect on resource optimization than that on resource bricolage. Finally, resource bricolage has a stronger impact on competitive performance than resource optimization. These findings contribute to understanding how enterprises could apply different forms of BDAC to other kinds of resource integration to achieve outstanding competitive performance. (shrink)

Although lean search is seen as an important action in lean startup, previous studies have less knowledge on how to realize it, especially in the face of traditional plans that cannot cope with sudden changes in the environment. To fill the research gap, this study investigates the effects of improvisation on lean search. Meanwhile, this research also discusses the moderating effects of entrepreneurial team heterogeneity and the environmental uncertainty to identify the boundary conditions of this relationship. Supported by the cross-sectional (...) data from 203 Chinese startups, the results show that explorative and ambidextrous improvisation are positively associated with lean search. However, the effect of exploitative improvisation on lean search is unsupported. Additionally, technology uncertainty positively moderates the relationship between exploitative improvisation and lean search. Market uncertainty positively moderates the relationship between explorative improvisation and lean search. However, the entrepreneurial team heterogeneity negatively moderates the relationship between ambidextrous improvisation and lean search. These findings contribute to understanding how startups could conduct lean search in a rapidly changing environment, which provides theoretical guidance for improving the success rate of startups. (shrink)

at ego tibi sermone isto Milesio varias fabulas conseram auresque tuas benivolas lepido susurro permulceam, modo si papyrum Aegyptiam argutia Nilotici calami inscriptam non spreveris inspicere. figuras fortunasque hominum in alias imagines conversas et in se rursum mutuo nexu refectas, ut mireris, exordior. ‘quis ille?’ paucis accipe. Hymettos Attica et Isthmos Ephyrea et Taenaros Spartiatica, glebae felices aeternum libris felicioribus conditae, mea vetus prosapia est; ibi linguam Atthidem primis pueritiae stipendiis merui, mox in urbe Latia advena studiorum Quiritium indigenam sermonem (...) aerumnabili labore nullo magistro praeeunte aggressus excolui. en ecce praefamur veniam, si quid exotici ac forensis sermonis rudis locutor offendero. iam haec equidem ipsa vocis immutatio desultoriae scientiae stilo quern accessimus respondet. fabulam Graecanicam incipimus. lector intende: laetaberis. (shrink)

In his discussion of Virgilian imitations of Lucretian phraseology Cyril Bailey examines the phenomenon of what he terms the ‘doublet’, that is, the procedure whereby Virgil imitates separate elements of a Lucretian phrase at different points in his own work. Take, for example, De Rerum Natura 1. 210–12: esse videlicet in terris primordia rerum, quae nos fecundas vertentes vomere glebas terraique solum subigentes cimus ad ortus.

O artigo visa analisar as abordagens realizadas sobre a participação e importância, ou não, dos líderes farrapos na Revolta de 1957, ocorrida no Sudoeste do Paraná, que resultou na derrota das companhias de terra e do governo de Moysés Lupion que praticavam a grilagem nas terras das glebas Missões e parte da Chopim. Nas abordagens sobre a revolta, predomina a exaltação dos líderes urbanos que atuaram no período de 1951 até outubro de 1957, bem como no período seguinte à derrota (...) lupionista, uma vez que se tornaram dirigentes políticos e considerados “heróis” do levante de Outubro de 1957, pois a vitória teria ocorrido sem o derramamento de sangue. Todavia, as referências dos líderes farrapos na área de fronteira com a Argentina, principalmente de Pedro Santin, ficaram em segundo plano ou como exemplo negativo a ser seguido e rememorado. (shrink)

As noções correlatas de senhorio e liberdade foram estudadas na IdadeMédia de forma diferente de hoje. Em inúmerosdocumentos encontra-se a menção de liberdadeda gleba, direito de locomoção, direito de disporda propriedade. Os acadêmicos de fins do séculoXIII e do século XN haverão de volver-se paraeste problema devido à disputa entre o papa e aautoridade civil. Sem dúvida, o que mais aprofundoua questão foi Guilherme de Ockham, ao examinara condição dos fiéis dentro da Igreja.