Published: Jan. 1, 2021

The surface topography of diamond coatings strongly affects surface properties such as adhesion, friction, wear, and biocompatibility. However, the understanding of multi-scale topography, and its effect on properties, has been hindered by conventional measurement methods, which capture only a single length scale. Here, four different polycrystalline diamond coatings are characterized using transmission electron microscopy to assess the roughness down to the sub-nanometer scale. Then these measurements are combined, using the power spectral density (PSD), with conventional methods (stylus profilometry and atomic force microscopy) to characterize all scales of topography. The results demonstrate the critical importance of measuring topography across all …

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Published: Jan. 1, 2020

The purpose of this study was to determine the Role of Inventory Accounting Systems in Improving the Inventory Internal Control Structure at Putri Mayasari Cilandak. The research method used in this study is a qualitative research method with a case study approach and the data collected consists of primary and secondary data. Then Primary Data is collected through interviews, observations, and documentation, while Secondary Data is collected through library research to determine the role of the inventory accounting system in improving the structure of internal inventory control. The results of the study found that the role of the inventory accounting …

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Published: Sept. 1, 2021

Surface topography of additively manufactured components often contains 3D features, e.g. particles, open surface pores. X-ray computed topography can capture these features, allowing measurement data to be used for 3D surface texture characterisation. On the basis of the newly developed 3D surface texture parameters, this paper investigates material ratio curves of the surfaces produced by additive manufacturing processes, i.e. selective laser melting and high speed sintering. The material ratio curves of these surfaces vary in their shapes, depending on the specific process and associated process parameters, as well as surface orientations. Re-entrant topography features can result in recess shapes on …

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Published: Jan. 1, 2015

An understanding of how extinct animals functioned underpins our understanding of past evolutionary events, including adaptive radiations, and the role of functional innovation and adaptation as drivers of both micro- and macroevolution. Yet analysis of function in extinct animals is fraught with difficulty. Hypotheses that interpret molariform teeth in fishes as evidence of durophagous (shell-crushing) diets provide a good example of the particular problems inherent in the methods of functional morphology. This is because the assumed close coupling of form and function upon which the approach is based is weakened by, among other things, behavioural flexibility and the absence of …

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Published: Jan. 1, 2022

This research aims to horizontally and vertically determine the financial performance of PT Unilever, Tbk, especially by observing the development of assets and financial statements through the calculation of financial ratios. Based on the research results, it can be observed that based on the analysis of the ratio of Liquidity, Profitability and Leverage tend to fluctuate. The liquidity ratio has increased, Profitability ratio has increased in GPM and NPM but decreased in Cash Ratio, ROA, and ROE. The Leverage Ratio has decreased; thus, the financial performance of PT Unilever, Tbk has not been fully optimal. Based on the horizontal analysis, …

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Published: Jan. 1, 2021

The purpose of this research is to test investments, free cash flow, earnings management, and interest coverage ratio are affecting the risk of financial distress in healthy enterprises.. Healthy companies can be seen from how large the value of working capital, retained earnings, income before tax, market value and sales implemented in the measurement of the financial difficulties model with the Altman Z-score method. Collection of data by purposive sampling and number of samples as many as 33 companies in the category of healthy companies. The results show that free cash flows and interest coverage ratio significant effect on the …

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Published: Jan. 1, 2020

The development of the savings and loan cooperative system today needs an increase that can make the system even better and correct according to the rules and laws of the Republic of Indonesia. The current cooperative system provides many loans and savings so that to make a good system it must do research that discusses it. Thus in this study discusses how the analysis of the development of cooperative systems in the savings and loan units of the cooperative of the Republic of Indonesia prosperous employees of Cirebon district, in this study explained how the process and review of the …

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Published: Jan. 1, 2020

Crowdsourcing has become an indispensable tool in the behavioral sciences. Often, the “crowd” is considered a black box for gathering impersonal but generalizable data. Researchers sometimes seem to forget that crowdworkers are people with social contexts, unique personalities, and lives. To test this possibility, we measure how crowdworkers (N = 2,337, preregistered) share a monetary endowment in a Dictator Game with another Mechanical Turk (MTurk) worker, a worker from another crowdworking platform, or a randomly selected stranger. Results indicate preferential in-group treatment for MTurk workers in particular and for crowdworkers in general. Cooperation levels from typical anonymous economic games on …

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Published: March 31, 2019

This article suggests that there is a mobility bias in migration research: by focusing on the “drivers” of migration — the forces that lead to the initiation and perpetuation of migration flows — migration theories neglect the countervailing structural and personal forces that restrict or resist these drivers and lead to different immobility outcomes. To advance a research agenda on immobility, it offers a definition of immobility, further develops the aspiration-capability framework as an analytical tool for exploring the determinants of different forms of (im)mobility, synthesizes decades of interdisciplinary research to help explain why people do not migrate or desire …

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Published: Jan. 1, 2019

What are the parameters that define a posthuman knowing subject, her scientific credibility and ethical accountability? Taking the posthumanities as an emergent field of enquiry based on the convergence of posthumanism and post-anthropocentrism, I argue that posthuman knowledge claims go beyond the critiques of the universalist image of ‘Man’ and of human exceptionalism. The conceptual foundation I envisage for the critical posthumanities is a neo-Spinozist monistic ontology that assumes radical immanence, i.e. the primacy of intelligent and self-organizing matter. This implies that the posthuman knowing subject has to be understood as a relational embodied and embedded, affective and accountable entity …

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