A medical information system for monitoring respiratory function and related nonlinear dynamics

In this paper the nonlinear effects in the respiratory systems at low frequencies are measured and evaluated in healthy children and healthy adults. To this aim forced oscillations technique (FOT) has been used to non-invasively measure the lung tissue mechanics. FOT does not require any special effort from the patient in contrast with standardized tests where maneuvers are necessary. Hence, FOT is an ideal lung function test for extreme ages, more specifically children and elderly, given the simpleness of measurement technique. Hitherto, measurements at low frequencies (i.e. close to the breathing frequency similar to 0.3 Hz) have been invasively performed in sacrificed animals and on anesthetized humans. Here we measure in the frequency interval 0.1-2 Hz a total number of 94 volunteers (37 adults with ages between 25-35 years and 57 children with ages between 8-11 years). To evaluate the nonlinear contributions of the respiratory tissue, a novel T-index has been introduced. We have tested the hypothesis whether the nonlinear distortions are changing with growth/development of the respiratory tree and aim to quantify its dependence to biometric values. The results obtained indicate that the proposed index can differentiate between the two analyzed groups and that there is a dependence to age, height and weight. A medical information system may use this information to update predictions of respiratory function and provide aid in decision-making process of drug therapy

Two cases of divorce in the town of Arad in the eighteenth century

The two documents, which are the subject of the present study, made to share property in the event of divorce, help to form an image on various aspects of daily life, poorly known from other sources: household size, land property, earnings in marriage furniture, tools, animals, prices, food, secular and religious involvement of the private life etc. In addition to legal information, both inventories, which stood at the base of documents on which the property was to be divided, reveal another perspective on social history of Arad in the late eighteenth century.marriage, divorce, daily life, household, Arad, eighteenth century

REMARKS ON THE IMPORTANCE AND NECESSITY FOR PUBLIC ENTITIES TO ASSOCIATE IN ORDER TO PERFORM EFFICIENT ACTIVITIES OF INTERNAL AUDIT

In Romania, due to territorial extend of the audited entities, we deal with a great number of isolated departments for internal audit, consisting of 1 to 2 auditors. The international audit standards recommend that the number of internal auditors should cover at least the minimum of activities performed by the departments for internal audit. Related to this matter, the first-class international practice recommends that their number should be of three intrenal auditors at least. The internal auditors of these departments consisting of 1 to 2 individuals encounter particular problems concerning the documentation, standards acquiring or implementation.internal and public audit, obligatory procedures of internal audit, risk analysis, realizing the function of internal audit through association (employment or office), chief employment or office for internal public audit, the Ministry of Public Finances

Population, ethnicity and confession in the county of Arad in the eighteenth century and early nineteenth century

At the beginning of the eighteenth century, Arad County contained only 25 localities in the north of Mureş River, and in the middle of the century, the administrative unit was extended by incorporating two districts of Zarand County, which would then be abolished. We made calculations on population from Arad County in its extended administrative form, but also including in these calculations the Serbian militaries’ families, who, at least until the abolition of the Tisa-Mureş military border, had an important share in these areas. The growth of Arad County population throughout the period was 13.8 times, from about 15000 inhabitants around the year 1700 to 207039 inhabitants in 1828. From this point of view, Arad is different from all the counties from Transylvania and Partium. Only Sătmar County has grown quite large, 7.6 times during 1720-1828, while Bihor County increased 5.4 times and Cluj County 3.3 times in the same range.urbariums, conscriptions, population growth, demographic evolution

Some aspects regarding matrimonial relations in the city of Arad in the XVIIIth century

This study proposed, first, to carry out, based on archive documents, an incursion as regards matrimonial relationships of XVIIIth century with all legal, economic and social connotations involved. The marriage contracts studied fall into a typology more closely of what was happening in the same period in Western Europe than in South Eastern Europe. This is because such acts have emerged within the former county of Arad in the first half of the century after the establishment of Habsburg domination and after the German colonists were brought into the area. Besides the juridical problems regarding the contractual liabilities of the spouses, the status of the children, some problems related to wealth and dowry, I tried to mark out some aspects regarding the everyday life of Arad’s inhabitants in the XVIIIth century.Marriage contracts, Arad county, matrimonial relationships, dissolution of marriage, dowry, children status, household, everyday life, Habsburg Empire

Pain detection with bioimpedance methodology from 3-dimensional exploration of nociception in a postoperative observational trial

Although the measurement of dielectric properties of the skin is a long-known tool for assessing the changes caused by nociception, the frequency modulated response has not been considered yet. However, for a rigorous characterization of the biological tissue during noxious stimulation, the bioimpedance needs to be analyzed over time as well as over frequency. The 3-dimensional analysis of nociception, including bioimpedance, time, and frequency changes, is provided by ANSPEC-PRO device. The objective of this observational trial is the validation of the new pain monitor, named as ANSPEC-PRO. After ethics committee approval and informed consent, 26 patients were monitored during the postoperative recovery period: 13 patients with the in-house developed prototype ANSPEC-PRO and 13 with the commercial device MEDSTORM. At every 7 min, the pain intensity was measured using the index of Anspec-pro or Medstorm and the 0-10 numeric rating scale (NRS), pre-surgery for 14 min and post-anesthesia for 140 min. Non-significant differences were reported for specificity-sensitivity analysis between ANSPEC-PRO (AUC = 0.49) and MEDSTORM (AUC = 0.52) measured indexes. A statistically significant positive linear relationship was observed between Anspec-pro index and NRS (r(2) = 0.15, p < 0.01). Hence, we have obtained a validation of the prototype Anspec-pro which performs equally well as the commercial device under similar conditions

Dynamic Queue Utilization Based MAC for multi-hop Ad Hoc networks

The end-to-end throughput in single flow multi-hop Ad Hoc networks decays rapidly with path length. Along the path, the success rate of delivering packets towards the destination decreases due to higher contention, interference, limited buffer size and limited shared bandwidth constraints. In such environments the queues fill up faster in nodes closer to the source than in the nodes nearer the destination. In order to reduce buffer overflow and improve throughput for a saturated network, this paper introduces a new MAC protocol named Dynamic Queue Utilization Based Medium Access Control (DQUB-MAC). The protocol aims to prioritise access to the channel for queues with higher utilization and helps in achieving higher throughput by rapidly draining packets towards the destination. The proposed MAC enhances the performance of an end-to-end data flow by up to 30% for a six hop transmission in a chain topology and is demonstrated to remain competitive for other network topologies and for a variety of packet sizes

Hop-Based dynamic fair scheduler for wireless Ad-Hoc networks

In a typical multihop Ad-Hoc network, interference and contention increase when flows transit each node towards destination, particularly in the presence of cross-traffic. This paper observes the relationship between throughput and path length, self-contention and interference and it investigates the effect of multiple data rates over multiple data flows in the network. Drawing from the limitations of the 802.11 specification, the paper proposes a scheduler named Hop Based Multi Queue (HBMQ), which is designed to prioritise traffic based on the hop count of packets in order to provide fairness across different data flows. The simulation results demonstrate that HBMQ performs better than a Single Drop Tail Queue (SDTQ) scheduler in terms of providing fairness. Finally, the paper concludes with a number of possible directions for further research, focusing on cross-layer implementation to ensure the fairness is also provided at the MAC layer. © 2013 IEEE

Queue utilization with hop based enhanced arbitrary inter frame spacing MAC for saturated ad HOC networks

© 2015 IEEE. Path length of a multi hop Ad Hoc networks has an adverse impact on the end-to-end throughput especially during network saturation. The success rate of forwarding packets towards destination is limited due to interference, contention, limited buffer space, and bandwidth. Real time applications streaming data fill the buffer space at a faster rate at the source and its nearby forwarding nodes since the channel is shared. The aim of this paper is to increase the success rate of forwarding the packets to yield a higher end-to-end throughput. In order to reduce loss of packets due to buffer overflow and enhance the performance of the network for a saturated network, a novel MAC protocol named Queue Utilization with Hop Based Enhanced Arbitrary Inter Frame Spacing based (QU-EAIFS) MAC is proposed for alleviating the problems in saturated Ad Hoc networks. The protocol prioritises the nodes based on its queue utilization and hops travelled by the packet and it helps achieving higher end-toend performance by forwarding the packets with higher rate towards the destination during network saturation. The proposed MAC enhances the end-to-end performance by approximately 40% and 34% for a 5hop and 6hop communication respectively in a chain topology as compared to the standard IEEE802.11b. The performance of the new MAC also outperforms the performance of IEEE 802.11e MAC. In order to validate the protocol, it is also tested with short hops and varying packet sizes and more realistic random topologies