In this study, the experimental results exhibit that the mixture of water + acetic acid + methyl acetate + pxylene has interesting phase behaviors of vapor-liquid equilibrium (VLE) and vapor-liquid-liquid equilibrium (VLLE) under pressure of 101.32 kPa. The VLE and VLLE data were obtained with a condensed-vapor-phase-recirculating still as described in the text. The experimental data are useful...

In this paper, multi-angle analysis of quantitative data mining warning system is completed, by using software engineering method. The study on the core issue of early warning is conducted, during divided the learning process in VLE platforms into three stages: former learning, study of middle and after learning. The studying route of core issues is: under the mode of Windows Server Apache, MYS...

Variable-Length Encoding (VLE) is a process of reducing input data size by replacing fixed-length data words with codewords of shorter length. As VLE is one of the main building blocks in systems for multimedia compression, its efficient implementation is essential. The massively parallel architecture of modern general purpose graphics processing units (GPGPUs) has been successfully used for ac...

The blends formed mixing hydrofluorocarbons (HFC) and hydrocarbons (HC) can be classified as semi-natural refrigerants since, by optimizing the composition, it is in principle possible to adapt basic features such as GWP, TEWI and flammability to the industrial and environmental requirements. However, the energetic efficiency must be competitive with the traditional refrigerants. To evaluate th...

Hydrogen (H2) has emerged as a viable solution for energy storage of renewable sources, supplying off-seasonal demand. contamination due to undesired mixing with other fluids during operations is significant problem. Water regular occurrence; therefore, an accurate prediction H2-water thermodynamics crucial the design efficient and water removal processes. In thermodynamic modeling, Peng–Robins...

The 21st Century is driven by the enrolment of the industry 4.0 to a society 4.0. The concept of being digitally connected in human-machine-networks is more and more spread over the entire society. Smart Cities, eGovernment and quantified-self movements are only some of the key phrases. Physical reality and virtuality increasingly melt together and international teams collaborate across the glo...

Amyotrophic lateral sclerosis (ALS) is a progressive neurodegenerative disease of the motor neuron. While most cases of ALS are sporadic, 10% are familial (FALS) with 20% of FALS caused by a mutation in the gene that codes for the enzyme Cu/Zn superoxide dismutase (SOD1). There is variability in sporadic ALS as well as FALS where even within the same family some siblings with the same mutation ...

Recently, dimethyl ether (DME) has been paid much attention as a clean fuel. DME has many advantages as a substitute for liquefied petroleum gas (LPG). Sulfur oxides (SOx), and particulate matters (PM) are not produced at the combustion. Infrastructures and equipments for LPG can be used with slight improvements, because physical properties of DME are similar to those of light hydrocarbons, pro...

The reliable solution of nonlinear parameter estimation problems is an important computational problem in the modeling of vapor-liquid equilibrium (VLE). Conventional solution methods may not be reliable since they do not guarantee convergence to the global optimum sought in the parameter estimation problem. We demonstrate here a technique, based on interval analysis, that can solve the nonline...

This paper focuses mainly on the relation between the use of a virtual learning environment (VLE) and students’ performance. Therefore, virtual learning environments are characterised and a study is presented emphasising the frequency of access to a VLE and its relation with the students’ performance from a public higher education institution during the academic year of 2014-15. The main aim of...