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Opinion
LIDAR Monitoring of Urban Areas
Stoyanov D, Nedkov I* and Grigorov I
DOI: 10.31031/RDMS.2021.15.000867
Abstract
PDF
Full-Text
e-Pub
The use of a LIDAR to monitor the air pollution makes it possible to control large city areas
and detect the spatiotemporal location of Particulate Matter (PM) emissions sources. LIDAR
monitoring is a fast method for estimating the pollution, respectively the mass concentration
of PM in the atmospheric ground bioaerosol. The careful study of air pollution becomes
especially relevant as the PM are potential carriers of solid-state particles dangerous to health
and biologically active components. The present report summarizes our experience [1-3] on
how the intricate complex of particles with different content and size found in the aerosol
might affect the LIDAR monitoring results on the long distance. LIDAR subject of this study
is capable of scanning and mapping the horizontal and .....
Research Article
Implant Movement Analysis (IMA), A New CT Based Technique for Diagnosis of Aseptic Loosening of Total Knee Arthroplasty
Per Wretenberg*, Simon Tholen, Sofia Carlsson and Henrik Olivecrona
DOI: 10.31031/OPROJ.2021.08.000690
Background and purpose: Aseptic loosening is the most common indication for revision surgery after
Total Knee Arthroplasty (TKA). However, the diagnosis is often difficult from planar radiography as well
as other methods, making decision regarding revision surgery problematic. Implant Movement Analysis
(IMA) is a newly introduced method of analysing uncertain aseptic loosening of orthopaedic implants.
This is the first study where this technique is applied for analysis of potentially loose knee prosthesis.
The IMA technique is based on Computer Tomography (CT) with rotational as well as varus and valgus
provocation to expose any movement of the implant relatively to the surrounding bone. Our aim was to
evaluate the role of IMA as a complementary method to planar radiography and clin.....
Research Article
Tailored Synthesis of PS@Ag@TiO2 Coreshell Nanocomposite for Photocatalytic Dye Degradation
Shanti Surong, Anindita Chakraborty and Himadri Acharya*
DOI: 10.31031/RDMS.2021.15.000866
Here, we describe a simple chemical method to synthesize multi component PS@Ag@TiO2
nanocomposites. The three-step synthetic approach comprises of synthesis of polystyrene (PS) particles,
deposition of silver (Ag) nanostructure and coating of titanium dioxide (TiO2
) nanoshells. As synthesized
materials is characterised by microscopic and spectroscopic techniques. The size of the PS particles is
obtained as approx. 200nm in diameter. Ag nanoparticles deposited PS particles are indicated by the
surface plasmon band resonance in UV-vis study. To study the potential application, the photocatalytic
activity of the PS@Ag@TiO2
nanocomposites is investigated in Methylene Blue (MB) dye degradation.
Nanocomposite provides high photocatalytic degradation with a maximum efficiency of over 9.....
Research Article
Knowledge and Awareness of Antibiotic Resistance Among Dental Students-A Questionnaire Based Study
Smriti Jagdhari Golhar*, Mukta Motwani, Surbhi Patil and Shivani Shembalkar
DOI: 10.31031/MRD.2021.06.000644
Aim: Knowledge and awareness of antibiotic resistance among dental students-A questionnaire-based
study.
Material and Method: A cross sectional study was conducted to assess the knowledge of antibiotic
resistance amongst dental students. An online questionnaire containing 11 questions was given to final
year BDS students of VSPM Dental College, Nagpur. 85 students took part in the survey.
Result: 94.12% students knew about antibiotic resistance. 43.53% of students took antibiotics without
prescription. 56.47% of students responded by saying that they stopped consuming antibiotics once the
symptoms subsided.
Conclusion: Educational seminars must be conducted to improve student’s knowledge on antibiotic
resistance, its causes, prevention and side effects
Research Article
Effect of Gravity on Current & Their Implications on Planets
DOI: 10.31031/COJEC.2021.02.000533
This paper presents the effect of gravity on the atomic level. Various research has been considered to find
any variations in the effect of gravity at the atomic level and macroscopic level. The effect of gravity has
been calculated for various planets. Consequently, suggestions have been made for the space equipment
manufacturers to consider the variation in current density due to gravity for the planets
Research Article
Entropy Dynamics of S-Curves
DOI: 10.31031/NRS.2021.08.000698
The graphs of S-curves characterize the general dynamics of change of entropic components depending
on the process main parameters. At the same time, their sum is equal to the maximum value of each of
them in this interaction. The condition of the system stationary state is the equality or constant of the
correlation between its entropy and negentropy (equilibrium dynamics). Such regularities are found in
many phenomena and conformational interactions in physical chemistry, nature, engineering and even
economy. The examples of their functional contribution are given. The possibility of objective analysis of the coronavirus regional scenario is demonstrated based on the Russian data
Mini Review
Dynamic Energy Management for Real Time Control of Battery Less PV-Wind Powered Desalination Unit
DOI: 10.31031/COJEC.2021.02.000532
In this paper we present a Dynamic Energy Management System elaborated to share available electrical
energy, provided by a battery less hybrid source (PV-Wind), between motor-pumps used in desalination
process. This Dynamic Energy Management System is combined to Power Field Oriented Control to
maintain DC bus voltage stability and to control electrical power of motor-pumps used for water pumping
and/or reverse osmosis desalination. Simulation and practical results are demonstrated and discussed to evaluate the power sharing performances and “Water-Energy” cooperative control effectiveness
Mini Review
A Survey: Non-Fragile Controller for T-S Fuzzy System
DOI: 10.31031/COJEC.2021.02.000531
Digital control systems design has become an important field in electrical engineering and in systems
and control theory. One of the important and fundamental issues in digital control systems design is
the controller coefficient sensitivity because even vanishingly small perturbations controller or
filter coefficients may destabilize the resulting systems. As is well known, fuzzy control is one of the
most effective techniques to handle nonlinear systems, especially in situations where there is a large
uncertainty or unknown variation in plant parameters and structures. This survey concerns with the
brief introductions of non-fragile controller for nonlinear systems without parameter uncertainties, in
which the Takagi-Sugeno (T-S) fuzzy model is employed to represent the nonlinear .....
Mini Review
SARS-CoV-2 Pathobiology and Covid-19 Chemotherapy in Animals
Feliks Kania B* and Bacławska I
DOI: 10.31031/DAPM.2021.02.000530
SARS-CoV-2, which was identified in 2019 is responsible for the ongoing global pandemic. The zoonotic
potential of Covid-19 raised many concerns on what was the origin of the situation we are currently living
in, how can humans prevent it on a global scale and how to protect animals from spreading it further
and causing new, potentially fatal mutations. It is crucial to discuss pathobiology, treatment as well as
zoonotic aspects of this virus which is spreading worldwide at a threatening speed
Opinion
Velebit Mountain-Unique Dinaric Karst Region in the World
Velebit Nature Park is the largest and most complex protected area in Croatia. In terms of
relief and vegetation, it covers the most important mountain in Croatia and the Mediterranean.
It also belongs to one of the most impressive karst units in the world-the Dinaric karst. The
highest part of the nature park is built of carbonate rocks-limestones, dolomites and breccia
carbonates. In addition to the immense karst relief forms, ravines, oysters, sinkholes, rocks,
there are a large number of speleological objects-caves and pits. Due to its exceptional natural
values and importance for the preservation of the planet’s bio-and geodiversity, it is included
in the network of international biosphere reserves (Man and the Biosphere Program-MAB)
1978 as a center-focus of plants and anim.....
Opinion
Urban Mining in Developing Countries: An Ally to Circular Economy
Corrêa HL* and Gaya de Figueiredo MA
DOI: 10.31031/AMMS.2021.07.000656
The consumption behavior of contemporary society, based on products with reduced
useful life, combined with poor and inefficient waste management systems, contributes greatly
to the accumulation of materials in the environment. For decades, the level of urban pollution
has been alarming. Rivers, seas, oceans, and even forest environments are relentless victims
of the disregard that many governments have for the environmental issue. Fortunately, this
behavior is changing. With the efforts of some political leaders and the activism of organized
civil society, along with the engagement of corporations, environmental health stands out
on international agendas. Discussions about sustainable practices in companies and a more
vibrant performance of different actors in relation to this top.....
Mini Review
East Kazakhstan Rare Earths Deposits Formation
Dyachkov BA*, Oitseva TA, Zimanovskaya NA, Bissatova AY, Agalieva BB and Ageeva OV
DOI: 10.31031/AMMS.2021.07.000655
The main rare-metal structure of the region is the Kalba-Narym granitoid belt of the northwestern
direction, formed in the Hercynian cycle in a post collisional (orogenic) geodynamic setting. The spatialgenetic relationship of the leading geological-industrial type of deposits of rare-metal pegmatites (Ta,
Nb, Be, Li, Cs, Sn) with medium-coarse-grained biotite granites of the 1st phase of the Kalba complex P1
is emphasized. The revealed laws of formation and spatial accommodation of deposits of rare metals
in Kalba Narym zone and other geological structures are the important criterion for forecasting and
searching the new ores objects on East Kazakhstan territory
Mini Review
Development of Bioleaching for Extraction of Metal Values from Low-Grade Ores and Wastes
Pradhan D*, Sukla LB, Behera PK and Dash S
DOI: 10.31031/AMMS.2021.07.000654
Exploitation of bacterial activities in the mineral industries and environmental preservation are gaining
much attention. Bioleaching is a useful tool to recover different metals from low-grade ores and wastes.
It has proved its benefits in terms of cost and environment. It is applied to the heap operation for the
processing of the large volume of different low-grade ores. The techno-economic feasibility studies
and flow sheet of different sections must be given top priority during its scale up. Further genetic
improvement is proposed for the understanding of the cellular metabolism of the microorganisms for the
bioleaching purpose. This helps the industries by opening renewed possibilities for mineral processing
technology through improved kinetics and other economic benefits. Spec.....
Research Article
Beneficiation of Bastnaesite Ore with New Flotation Collector Ligands
Everly D, Anderson C*, Popova SJ, Bryantsev V and Moyer B
DOI: 10.31031/AMMS.2021.07.000657
Interest in Rare Earth Elements (REEs) has increased due to their distinct properties and new applications.
China currently has a monopoly on rare earth production due to the lack of an economically viable process
used outside of China. Bastnaesite, a rare earth fluorocarbonate, is one of the most common minerals
containing REEs, which is mostly comprised of cerium and other light REEs. The objective of this research
is to find a novel collector for the beneficiation of bastnaesite through froth flotation experiments
to increase the grade and recovery of rare earth oxides while rejecting the major gangue minerals.
Microflotation and rougher bench flotation studies were evaluated to find optimal collector(s) from 19
possible candidates. Collectors 2, 5, and 8 were the top performing .....
Research Article
The Investigation of the Effects of N2 Injection on Oil Productivity in Cornea Field, Western Australia
Abdullah N, Hasan N*, Eissa M and Parvez MA
DOI: 10.31031/NRS.2021.08.000697
Oil recovery from reservoir usually leads to a reduction in reservoir pressure, reduction in recovery
efficiency and thus production rate. Hence, EOR methods has been used as an efficient technique for
improving oil recovery efficiency. One of the techniques is nitrogen N2
injection. For miscible or immiscible
gas injection, N2
is a suitable gas to be used other than carbon dioxide. N2 is a good reservoir pressure
maintenance when compared to carbon dioxide. From past studies, N2
injection was proved to be able
to recover up to 45-90% of initial reserves. Therefore, the aim of this study is to determine the effect
and productivity of nitrogen injection on oil production in the Cornea Field. This study was conducted
because there was no investigation on the effectiveness of N2
.....
Research Article
The Investigation of the Effects of N2 Injection on Oil Productivity in Cornea Field, Western Australia
Abdullah N, Hasan N*, Eissa M and Parvez MA
DOI: 10.31031/NRS.2021.08.000697
Oil recovery from reservoir usually leads to a reduction in reservoir pressure, reduction in recovery
efficiency and thus production rate. Hence, EOR methods has been used as an efficient technique for
improving oil recovery efficiency. One of the techniques is nitrogen N2
injection. For miscible or immiscible
gas injection, N2
is a suitable gas to be used other than carbon dioxide. N2 is a good reservoir pressure
maintenance when compared to carbon dioxide. From past studies, N2
injection was proved to be able
to recover up to 45-90% of initial reserves. Therefore, the aim of this study is to determine the effect
and productivity of nitrogen injection on oil production in the Cornea Field. This study was conducted
because there was no investigation on the effectiveness of N2
.....
Research Article
Cannibalisation as a Mechanism of the Motion in MIRCE Science
DOI: 10.31031/NRS.2021.08.000696
The main objective of this paper is to examine the cannibalisation process, removing a required
component from a designated system and installing it in an unserviceable system, as a mechanism of
the motion of a functionable system in MIRCE Science. It impacts on the function ability work done and
resources consumed during a given interval of calendar time. Although the cannibalisation process
improves profitability or readiness of functionable systems, it can also lead to increased costs and
disruption, divert resources from other activities and create additional technical and financial risks.
Thus, cannibalisation is one of the drivers of profitability that could be predicted by applying the MIRCE
Profitability Equation, which considers the whole organization as a single analytical.....
Research Article
Effects of 3D Virtual Garment Pattern Simulation Technology on Students’ Learning Quality
Ah Pun Chan*, Ho Yin Cheung, Wai Ching Chu and Kai Yuen Cheong
DOI: 10.31031/NRS.2021.08.000695
3D virtual garment simulation technology in apparel design, virtual fitting, pattern drafting, and production
management contributes significantly to retail sales. It is widely used in the product development
stage for apparel design. Combined with computer-aid manufacturing system, it significantly shortens
the numerous trials and errors in the sampling process and provides a positive impact on the clothing
industry by effectively creating individualized products in fashion items with short product life cycles.
To fulfill the industry’s increasing demand for technical designers with skills using 3D virtual garment
simulation software, students need to start training in their undergraduate studies. A pedagogy for 3D
virtual garment simulation learning methods needs to be developed.....
Mini Review
Ultra-Fast Detection of Loosened Bolts Based on Binary Image Processing
Mir Hamid Rezaei* and Javad Ostadieh
DOI: 10.31031/RMES.2021.09.000713
In this paper, we offer a new method for detecting tight or loosened bolts based on image processing. The
proposed method is independent of bolt appearances, and no height detector is needed. Firstly, several
pictures are taken from the bolts in tight and different loosened states for training the system. After the
training step, the status of the study bolts is processed by MATLAB software. By using image processing
techniques including noise removal, Circular Hough Transform (CHT), transformation of colored images
to grayscale, Otsu thresholding, binary complement of Otsu thresholding, enhancement of images with
dilation structure element, and after calculating the area of the bolts, the decision about the states of the bolts can be accurately determined based on the number of zero.....
Case Report
Rare Case Primary Report: Xia Gibb’s Syndrome
DOI: 10.31031/EPMR.2021.03.000562
Xia-Gibbs syndrome (Mental retardation, autosomal dominant 25; MRD25) (MIM 615829), first described
in 2014, is a rare autosomal dominant disease characterized by mental retardation, developmental delay,
speech delay, structural brain anomalies, hypotonicity, protuberant eyes, visual problems, laryngomalacia
and low sleep quality. It occurs due to heterozygous mutations in the AT-hook DNA binding motif containing 1 (AHDC1) gene on chromosome 1p36. Research reports published in 2020 by Ping et al. [1], states
that about 100 patients worldwide have been identified, all of them in the pediatric age or adulthood. To
date, no fetal XGS has been reported [1-4]. Xia-Gibbs syndrome (XGS) is a recently described neurodevelopmental disorder due to heterozygous loss-of-function AHDC1 mutations. .....
Opinion
COVID-19 and The Oral Physician
The unending corona pandemic is spiraling us all into virologists, epidemiologists,
futurologists and god only knows what. Throughout the passage of history, disease
occurrences have ravaged the human race, many a times changing the course of history and, at
some instances, indicating the end of entire civilizations. COVID 19 is not the first pandemic,
and it will definitely not be the last. In fact, if statistics are correctly seen and interpreted
death rate of COVID-19 is much less that that compared to Swine Flu in 2009-10 or Cholera
outbreak (1817-1923), death due to tuberculosis and oral carcinoma is rampant and was in
the headlines, till suddenly the COVID-19 wave took over. In fact, people are dying all around
the world more due to lifestyle disease, comorbidities some of th.....
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