Ping Lu
Robert J K Wood
Published: Jan. 1, 2020
Surface textures have been of great interest within the tribology community with nearly 1500 papers published on this topic in the past two decades. With the pursuit of low emissions and environmental sustainability, the application of surface texturing to mechanical systems to lower friction and control wear is attracting increasing attention. There is no doubt that certain textured surfaces can have a beneficial effect on tribological performance but it is widely agreed that the optimization of textures should be carried out based on specific requirements of applications. The purpose of this review article is to summarize the current state of …
Nova Tri Anggraini
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, …
Mark A Purnell
Laurent P G Darras
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 …
Meryana
Erna Setiany
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 …
Ade Onny Siagian
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 …
S Lou
Z Zhu
W Zeng
C Majewski
P J Scott
X Jiang
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 …
Agus Arifin
Yolanda Rakawati
Fauziah
Taufik Ridwan
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 …
Abdullah Almaatouq
Peter Krafft
David G. Rand
Alex Pentland
Yarrow Dunham
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 …
Sonia Mukhtar
Published: Jan. 1, 2020
Background: The current ongoing pandemic outbreak of COVID-19 (Coronavirus Disease 2019) has globally affected 213 countries and territories with more than 2.5 million confirmed cases and thousands of casualties. The unpredictable and uncertain COVID-19 outbreak has the potential of adversely affecting the psychological health on individual and community level. Currently all efforts are focused on the understanding of epidemiology, clinical features, mode of transmission, counteract the spread of the virus, and challenges of global health, while crucially significant mental health has been overlooked in this endeavor. Method: This review is to evaluate past outbreaks to understand the extent of adverse …
Roland Imhoff
Pia Lamberty
Published: Jan. 1, 2020
During the coronavirus disease pandemic rising in 2020, governments and nongovernmental organizations across the globe have taken great efforts to curb the infection rate by promoting or legally prescribing behavior that can reduce the spread of the virus. At the same time, this pandemic has given rise to speculations and conspiracy theories. Conspiracy worldviews have been connected to refusal to trust science, the biomedical model of disease, and legal means of political engagement in previous research. In three studies from the United States (N = 220; N = 288) and the UK (N = 298), we went beyond this focus …