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  • 1
    Language: English
    In: Indian journal of psychiatry, 2018-02-01, Vol.60 (6), p.253-257
    Description: Mental illness and mental health are concepts that have existed from time immemorial. In India, the Atharvaveda and Vedic texts and traditional medical systems such as Siddha, Unani, and Ayurveda have described mental health and disorders, in detail. The advent of the mental hospital brought in the 'chemical revolution' in psychiatric management. The early nineties witnessed the birth of psychiatric rehabilitation in India. These developments saw a shift from a biological to a biopsychosocial model. It embraced the individual, family, community and society into the treatment process. The present rehabilitation process is geared towards providing quality of life, community living, accessible and suitable care.
    Subject(s): Analysis ; Bio-psychosocial ; History ; mental health ; Mental illness ; Psychiatric Care ; Psychiatric hospital care ; Psychiatric hospitals ; psychiatric rehabilitation ; Psychiatric services ; Psychological aspects ; Rehabilitation ; Research ; Review
    ISSN: 0019-5545
    E-ISSN: 1998-3794
    Source: Academic Search Ultimate
    Source: PubMed Central
    Source: DOAJ Directory of Open Access Journals - Not for CDI Discovery
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  • 2
    Article
    Article
    2021
    Language: English
    In: Transformative works and cultures, 2021-09-01, Vol.36
    Description: The fandom of the contemporary lesbian web series, Carmilla (2014–16), is an affective community built on a set of inclusions and exclusions. Carmilla, a 121-episode web series shot in vlog format, follows the relationship between a human girl and a female vampire, and it has an active online lesbian fandom. Affective bonds are created between Carmilla fans through various kinds of online fan practices, and these flows of affect are influenced by the race and location of fans.
    Subject(s): affect ; ao3 ; femslash ; race ; sexuality ; tumblr ; youtube
    E-ISSN: 1941-2258
    Source: Alma/SFX Local Collection
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  • 3
    Language: English
    In: Ageing and society, 2020-04-06, p.1-28
    Description: Abstract Older individuals who are in poor health or who lack spousal support are in many ways vulnerable in contemporary China. Declines in family size, combined with improvements in life expectancy and the out-migration of young adults from rural areas, have reduced the pool of potential care-givers for a growing number of older individuals. At the same time, state support for elderly people remains inadequate, further emphasising families’ role in care provision. This paper uses couple-level panel data from the 2012, 2014 and 2016 China Family Panel Studies to examine whether older couples with health-care or other needs receive help in the form of intergenerational co-residence. Multinomial logistic regressions are used to examine factors associated with the intergenerational solidarity framework from the older parents’ perspective that could motivate co-residence. Results show that when mothers report activity limitations or poor word recall at baseline, or when at least one parent has activity limitations in both waves, the probability of co-residence in both waves increases. Further, when both parents have depression at baseline, or when a parent loses a spouse, the probability of transitioning to co-residence increases. Findings suggest that adult children in present-day China do respond to parental needs by living together. Nevertheless, going forward, the state will likely have to play a greater role in old-age care provision.
    ISSN: 0144-686X
    E-ISSN: 1469-1779
    Source: Alma/SFX Local Collection
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  • 4
    Article
    Article
    2001
    ISSN: 1022-0038 
    Language: English
    In: Wireless networks, 2001-07, Vol.7 (4), p.359-369
    Description: Multicast is an efficient paradigm for transmitting data from a sender to a group of receivers. In this paper, we focus on multicast in single channel multi-access wireless local area networks (LANs) comprising several small cells. In such a system, a receiver cannot correctly receive a packet if two or more packets are sent to it at the same time, because the packets “collide”. Therefore, one has to ensure that only one node sends at a time. We look at two important issues. First, we consider the problem of the sender acquiring the multi-access channel for multicast transmission. Second, for reliable multicast in each cell of the wireless LAN, we examine ARQ-based approaches. The second issue is important because the wireless link error rates can be very high.We present a new approach to overcome the problem of feedback collision in single channel multi-access wireless LANs, both for the purpose of acquiring the channel and for reliability. Our approach involves the election of one of the multicast group members (receivers) as a “leader” or representative for the purpose of sending feedback to the sender. For reliable multicast, on erroneous reception of a packet, the leader does not send an acknowledgment, prompting a retransmission. On erroneous reception of the packet at receivers other than the leader, our protocol allows negative acknowledgments from these receivers to collide with the acknowledgment from the leader, thus destroying the acknowledgment and prompting the sender to retransmit the packet.Using analytical models, we demonstrate that the leader-based protocol exhibits higher throughput in comparison to two other protocols which use traditional delayed feedback-based probabilistic methods. Last, we present a simple scheme for leader election.
    Subject(s): Business Information Systems ; Computer Communication Networks ; Computer Science ; Electronic and Computer Engineering ; feedback collision ; multi-access channel ; reliable multicast ; wireless local area networks
    ISSN: 1022-0038
    E-ISSN: 1572-8196
    Source: Springer Online Journal Archives (DFG Nationallizenzen)
    Source: Hellenic Academic Libraries Link
    Source: Springer Online Journal Archives (Through 1996)
    Source: Alma/SFX Local Collection
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  • 5
    Article
    Article
    2020
    ISSN: 0257-3032  ISSN: 1564-6971 
    Language: English
    In: The World Bank research observer, 2020-02-01, Vol.35 (1), p.87-121
    Description: In parts of Asia, the South Caucasus, and the Balkans, son preference is strong enough to trigger significant levels of sex selection, resulting in the excess mortality of girls and skewing child sex ratios in favor of boys. Every year, an estimated 1.8 million girls go “missing” because of the widespread use of sex selective practices in these regions. The pervasive use of such practices is reflective of the striking inequities girls face immediately, and it also has possible negative implications for efforts to improve women's status in the long term. Recognizing this as a public policy concern, governments have employed direct measures such as banning the use of prenatal sex selection technology, and providing financial incentives to families that have girls. This study reviews cross-country experiences to take stock of the direct interventions used and finds no conclusive evidence that they are effective in reducing the higher mortality risk for girls. In fact, bans on the use of sex selection technology may inadvertently worsen the status of the very individuals they intend to protect, and financial incentives to families with girls offer only short-term benefits at most. Instead, what seems to work are policies that indirectly raise the value of daughters. The study also underscores the paucity of causal studies in this literature.
    Subject(s): DIRECT INTERVENTION ; FINANCIAL INCENTIVE ; GENDER DISCRIMINATION ; MISSING GIRLS ; MORTALITY RISK ; SEX RATIOS ; SEX SELECTION ; SON PREFERENCE
    ISSN: 0257-3032
    ISSN: 1564-6971
    E-ISSN: 1564-6971
    Source: EconLit with Full Text
    Source: World Bank e-Library
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  • 6
    Language: English
    In: IEEE transactions on information forensics and security, 2021, Vol.16, p.2018-2030
    Description: A malicious attacker could, by taking control of internet-of-things devices, use them to capture received signal strength (RSS) measurements and perform surveillance on a person's vital signs, activities, and sound in their environment. This article considers an attacker who looks for subtle changes in the RSS in order to eavesdrop sound vibrations. The challenge to the adversary is that sound vibrations cause very low amplitude changes in RSS, and RSS is typically quantized with a significantly larger step size. This article contributes a lower bound on an attacker's monitoring performance as a function of the RSS step size and sampling frequency so that a designer can understand their relationship. Our bound considers the little-known and counter-intuitive fact that an adversary can improve their sinusoidal parameter estimates by making some devices transmit to add interference power into the RSS measurements. We demonstrate this capability experimentally. As we show, for typical transceivers, the RSS surveillance attacker can monitor sound vibrations with remarkable accuracy. New mitigation strategies will be required to prevent RSS surveillance attacks.
    Subject(s): Eavesdropping ; Interference ; Quantization (signal) ; Radio frequency ; Received signal strength ; respiratory rate monitoring ; Sensors ; sound eavesdropping ; Vibrations ; Wireless communication
    ISSN: 1556-6013
    E-ISSN: 1556-6021
    Source: IEEE Electronic Library (IEL)
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  • 7
    Language: English
    In: IEEE transactions on wireless communications, 2021-07-27, p.1-1
    Description: This paper studies the problem of distributed beam scheduling for 5G millimeter-Wave (mm-Wave) cellular networks where base stations (BSs) belonging to different operators share the same spectrum without centralized coordination among them. Our goal is to design efficient distributed scheduling algorithms to maximize the network utility, which is a function of the achieved throughput by the user equipment (UEs), subject to the average and instantaneous power consumption constraints of the BSs. We propose a Media Access Control (MAC) and a power allocation/adaptation mechanism utilizing the Lyapunov stochastic optimization framework and non-cooperative games. In particular, we first decompose the original utility maximization problem into two sub-optimization problems for each time frame, which are a convex optimization problem and a non-convex optimization problem, respectively. By formulating the distributed scheduling problem as a non-cooperative game where each BS is a player attempting to optimize its own utility, we provide a distributed solution to the non-convex sub-optimization problem via finding the Nash Equilibrium (NE) of the game whose weights are determined optimally by the Lyapunov optimization framework. Finally, we conduct simulation under various network settings to show the effectiveness of the proposed game-based beam scheduling algorithm in comparison to that of several reference schemes.
    Subject(s): Antennas ; Cellular networks ; distributed scheduling ; Games ; Interference ; Lyapunov stochastic optimization ; mm-Wave networks ; network utility ; Optimization ; Resource management ; Throughput
    ISSN: 1536-1276
    E-ISSN: 1558-2248
    Source: IEEE Electronic Library (IEL)
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  • 8
    Language: English
    In: ACM transactions on sensor networks, 2014-11-07, Vol.11 (1), p.1-32
    Description: Secret key establishment is a fundamental requirement for private communication between two entities. In this article, we propose and evaluate a new approach for secret key extraction where multiple sensors collaborate in exchanging probe packets and collecting channel measurements. Essentially, measurements from multiple channels have a substantially higher differential entropy compared to the measurements from a single channel, thereby resulting in more randomness in the information source for key extraction, and this in turn produces stronger secret keys. We also explore the fundamental trade-off between the quadratic increase in the number of measurements of the channels due to multiple nodes per group versus a linear reduction in the sampling rate and a linear increase in the time gap between bidirectional measurements. To experimentally evaluate collaborative secret key extraction in wireless sensor networks, we first build a simple yet flexible testbed with multiple TelosB sensor nodes. Next, we perform large-scale experiments with different configurations of collaboration. Our experiments show that in comparison to the 1 × 1 configuration, collaboration among sensor nodes significantly increases the secret bit extraction per second, per probe, as well as per millijoule of transmission energy. In addition, we show that the collaborating nodes can improve the performance further when they exploit both space and frequency diversities.
    Subject(s): multipath ; PHY ; radio channel ; RSSI ; secret key extraction ; TelosB sensors
    ISSN: 1550-4859
    E-ISSN: 1550-4867
    Source: Hellenic Academic Libraries Link
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  • 9
    Language: German
    Description: How newly synthesized proteins fold to their functionally active conformations remains one of the fundamental questions in biology. Studies in vivo and in vitro, conducted over the last decade, indicate that translation and folding are coupled. Various components, such as molecular chaperones, proteases and other factors, interact with nascent polypeptide chains emerging from ribosomes and assist in nascent chain folding, quality control, subcellular targeting and co-translational modifications. A complete compendium of these factors is still missing and our understanding of the cellular machinery that acts co-translationally on the ribosome is still incomplete. In this study we sought to identify the factors that interact with translating ribosomes in E. coli cells using quantitative proteomics methods. Antibiotics, which inhibit translation in bacteria by interfering with protein synthesis at specific stages, were employed to generate ribosome nascent chain complexes amenable to isolation and unbiased analysis. Two examples of antibiotics used in this study are chloramphenicol and puromycin. Both act on the ribosome by targeting the ribosomal peptidyl transferase center. By combining translation inhibition with chemical crosslinking in spheroplasts and analysis by SILAC-based mass spectrometry, we designed a method that can be used to generate an inventory of factors contributing towards efficient folding of nascent chains in the cellular environment. We identified approximately 378 factors that interact specifically with translating ribosomes and are depleted upon nascent chain release from the ribosome. These factors could be divided into the following main categories: Molecular chaperones, RNA quality control proteins, transcription factors, translation factors and translocation factors. Chaperones ofthe small heat shock protein family, disaggregates and proteases, apparently interact with nascent chains in a concerted manner to support productive folding, reverse misfolding and remove aberrant protein chains. Various transcription factors also interacted substantially with ribosome nascent chain complexes (RNCs), suggesting their additional function in translation and folding. Our analysis of RNCs provides further insights into the mechanism of co-translational translocation and helps to elucidate the role of chaperones and translocon protein complex in guiding co-translational targeting and stabilizing secretory and membrane proteins. The data provide a valuable resource for future functional studies.
    Subject(s): ddc:500 ; ddc:540 ; Fakultät für Chemie und Pharmazie
    Source: Digital Dissertations (Universitätsbibliothek der LMU Muenchen)
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  • 10
    Language: English
    In: BJKines : national journal of basic & applied sciences, 2019-06-01, Vol.11 (1), p.22-26
    Description: Background & Objectives: To know the number, direction and common position of nutrient foramina and its variation and to determine the caliber of diaphyseal nutrient foramina. Material and method: The present study was conducted on 100 adult human dried humeri, of unknown age and sex, from the department of Anatomy, B. J. Medical college, ahmedabad. The nutrient foramina were observed with the help of a hand-lens. They were identified by their elevated margins and by the presence of a distinct groove proximal to them. Only well-defined foramina on the diaphysis were accepted. Result: Present study found single foramen seen in 72% cases, double foramina found in 15% cases, triple foramina found in 2% cases while in 11% cases foramen was absent. In this study most common location of nutrient foramen was on the anteromedial surface (79.7%) of humerus, 51.9% were dominant foramina and 48.1% were secondary foramina.. Direction of nutrient foramen was towards the elbow i.e. away from growing end. Conclusions: Knowledge of this position can help the surgeons as it is the zone during surgical interventions for fractures in the middle 1/3rd of humerus. It will help to prevent intraoperative injuries in orthopedics such as fracture repair, bone grafting, vascularized bone microsurgery, intramedullary plating etc. as well as plastic surgeries.
    Subject(s): humerus ; nutrient foramina
    ISSN: 2231-6140
    E-ISSN: 2395-7859
    Source: DOAJ Directory of Open Access Journals - Not for CDI Discovery
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