Explanipedia

Hydrogels Based on Chitosan and Nanoparticles and Their Suitability for Dyes Adsorption from Aqueous Media: Assessment of the Last-Decade Progresses Open

Cristina-Gabriela Grigoraș, Andrei-Ionuț Simion, Cătălin Drob · 2024

Water is one of the fundamental resources for the existence of humans and the environment. Throughout time, due to urbanization, expanding population, increased agricultural production, and intense industrialization, significant pollution …

Face-to-Face versus Online or Hybrid: How Students Perceive the Educational Framework Open

Ioana Plescau, Cătălin Drob · 2023

Psychology Computer science Sociology

In the aftermath of the recent pandemic, it became more and more important for the educational system to account for the necessity of designing courses that could be delivered both in an onsite environment and in an online framework.The ai…

Analysis Regarding the Implementation of the Circular Economy in Romania Open

Liliana Topliceanu, Petru Gabriel Puiu, Cătălin Drob, Vlad Vasile Topliceanu · 2022

Business Economics Computer science

The transition to the circular economy is a basic principle of the policy of the European Union, it is the chance for a cleaner world, an ideal world with “zero waste”. This document analyzes the implementation degree of circular economy i…

THE INFLUENCE OF THE THERMAL REGIME ON THE GUIDEWAYS OF THE MAIN ACTUATION OF A GANTRY TYPE CNC MACHINE Open

L Petrea, Gheorghe Stan, Cătălin Drob · 2022

Computer science Engineering Psychology

CNC Gantry Type Machine Tools with great distance between slides (gantry milling machines, plasma and laser gantry cutting machines, vertical lathe machines, etc) are used extensively in the manufacturing of large and long components. Beca…

"INCREASING THE POSITIONING ACCURACY OF THE FEED KINEMATIC LINKAGES OF CNC MACHINE TOOLS THROUGH THE CALIBRATION METHOD " Open

Adrian Stoica, Gheorghe Stan, Cătălin Drob · 2022

Computer science Engineering Mathematics

The accuracy of a CNC machine tool is one of the most important parameters that make the geometry and dimensions of the work pieces comply with the tolerance limits specified through the designer’s technical drawing. When a machine tool is…

ANALYSIS OF THE STATISTICAL DATA GENERATED BY AN ADAPTIVE STRETCH FORMING PROCESS Open

Cosmin Constantin Grigoraș, Valentin Zichil, Cătălin Drob, Vlad Andrei Ciubotariu · 2022

Computer science Engineering Mathematics

: Constant industrial processes improvements represent a fundamental step in the evolution of efficient processing. Due to physical or financial limits, there is a limit to how the mechanical or electronic side can be optimised. A solution…

Performance of Dye Removal from Single and Binary Component Systems by Adsorption on Composite Hydrogel Beads Derived from Fruits Wastes Entrapped in Natural Polymeric Matrix Open

Cristina-Gabriela Grigoraș, Andrei-Ionuț Simion, Lidia Favier, Cătălin Drob, Lucian Gavrilă · 2022

Materials science Chemistry Engineering

The treatment of contaminated water is currently a major concern worldwide. This work was directed towards the preparation of a composite hydrogel by entrapping cherry stones powder on chitosan, which is known as one of the most abundant n…

THE EVOLUTION OF THE CAPITAL MARKET IN ROMANIA IN THE CONTEXT OF THE COVID-19 PANDEMIC Open

Cătălin Drob, Valentin Zichil, Cosmin Constantin Grigoraș, Vlad Andrei Ciubotariu, Andreea Feraru · 2022

Business Economics Geography

The purpose of this study is to emphasize the main aspects regarding the evolution of the capital market in Romania in the context of the COVID-19 pandemic. This study tries to present the main aspects which marked the evolution of the nat…

IMPROVING STRATEGIC MANAGEMENT IN BUSINESS FIXED CAPITAL INVESTMENT Open

Cătălin Drob, Valentin Zichil · 2020

Business Economics Political science

Purpose – This article aims to highlight, on the one hand, the factors that determine the demand for investments in fixed capital and which influence the investment decision and on the other hand, the role and importance of this demand (re…

PROPOSALS FOR STRATEGIES IN THE CURRICULA OF TECHNICAL UNIVERSITIES Open

Valentin Zichil, Valentin Nedeff, Carol Schnakovszky, Cătălin Drob · 2017

Computer science Sociology Political science

Into the past 20 years, in Romania is registered a continuous decrease of the birth rate. At this problem it has to be added the youth wish to work in economics and laws systems, where the length of time study is smaller (only 3 years), ga…

RECENT ASPECTS CONCERNING SMEs FROM NORTH-EAST REGION OF ROMANIA Open

Cătălin Drob, Valentin Zichil · 2017

Geography Business Economics

The North-East (NE) region of Romania is, in terms of area, the largest of the 8 regions and is made up of 6 counties: Iasi, Bacau, Neamt, Suceava, Botosani and Vaslui. NE Region is one of the poorest regions of Romania. The SMEs sector, c…

OVERVIEW REGARDING THE MAIN GUIDELINES, STANDARDS AND METHODOLOGIES USED IN PROJECT MANAGEMENT Open

Cătălin Drob, Valentin Zichil · 2016

Computer science Engineering Economics

This article tries to present the basic elements of the main guidelines, international standards and methodologies (methods) used in project management. In this category we include: the PMBOK®Guide (elaborated by the Project Management Ins…

PARTICULAR ASPECTS REGARDING ENTREPRENEUR AND ENTREPRENEURIAL CULTURE Open

Cătălin Drob · 2016

Sociology Political science Economics

The goal of this article is to emphasize the main aspects which characterize the notions of entrepreneur, entrepreneurship and entrepreneurial culture. The notion of entrepreneur has been introduced in the economic literature since the lat…

OVERVIEW ABOUT THE MANAGEMENT OF THE HUMAN RESOURCE IN PROJECTS Open

Cătălin Drob · 2015

Business Engineering Computer science

The purpose of this study is to emphasize the main aspects regarding the management of the human resource in projects. This study tries to present in the comparative manner, different approaches of several guidelines, international standar…

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