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381
Performance Analysis of FSO Communications With Diversity Methods
منشور في 2016"…By comparing the MIMO and cooperative methods with point receivers, we reach the central result that it is always better, from a diversity gain point of view, to add more apertures to the source and destination rather than adding more relays in their vicinity despite the fact that the fading variance along FSO links decreases with the distance. For receivers that implement aperture averaging, we derive conditions under which MIMO techniques are unconditionally better than cooperative techniques with any network topology.…"
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article -
382
α-ketoglutarate (αKG) acts as a protective factor against chronic stress and has antidepressant properties by modulating BDNF levels in the brain
منشور في 2022"…Major depression and anxiety are one of the most common mental disorders worldwide. …"
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masterThesis -
383
Detecting attacks in a cluster based QOS-OLSR protocol. (c2014)
منشور في 2014احصل على النص الكامل
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masterThesis -
384
Secrecy Performance of a RIS-Assisted Wireless Network: A Comprehensive Analysis Under Outdated CSI
منشور في 2025"…To this end, the secrecy outage probability (SOP) metric is derived under the presence of outdated CSI (aging) at the RIS controller, considering four scenarios based on the availability of direct links between the transmitter and both receivers (i.e., the legitimate one and the eavesdropper). …"
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385
Do Older Adults with Multimorbidity Meet the Recommended Levels of Physical Activity? An Analysis of Scottish Health Survey
منشور في 2019"…Also, meeting recommended PA decreased with age [OR 0.92 (95% CI 0.90–0.94)] and body mass index [OR 0.93 (95% CI 0.91–0.95]; but increased per additional portion of fruit and vegetables taken [OR 1.19 (95% CI 1.12–1.25)] and with increase in well-being scale score [OR 1.05 (95% CI 1.03 to 1.06)]. …"
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386
Fetoplacental transmission and placental response to SARS-CoV-2: Evidence from the literature
منشور في 2022"…The results indicated that SARS-CoV-2 induces placenta inflammation, and placenta susceptibility to SARS-CoV-2 decreases across the pregnancy window. Thus, SARS-CoV-2 infection in early pregnancy may adversely affect the developing fetus.…"
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387
Orofacial Clefts
منشور في 2021"…We found no significant differences in the proliferative abilities of the patient-derived cells and the healthy cells. The striking difference in behavior was related to cell migration, whereby the patient-derived cells showed decreased motility, increased adhesion, and a general loss of polarity compared to the healthy cells. …"
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masterThesis -
388
Direct Oral Anticoagulants Compared to Warfarin in Patients with Intermediate‐ to High‐Risk Pulmonary Embolism: A Systematic Review and Meta‐Analysis
منشور في 2025"…Pooled odds ratios were derived from the included studies using the random‐effects model. …"
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389
A Risk-Based Multi-Objective Modeling Approach to the Preventive Maintenance Process of Roof Waterproofing System at Airports
منشور في 2020"…The purpose of this study is to: (a) determine current waterproofing systems and components of concrete roofs at airports, (b) explore frequently used techniques to design optimal preventive maintenance policies, and (c) derive an optimal preventive multi-objective risk-based maintenance strategy via simulation that can diminish failure costs, thereby decreasing the system’s overall maintenance costs. …"
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masterThesis -
390
A Risk-Based Multi-Objective Modeling Approach to the Preventive Maintenance Process of Roof Waterproofing System at Airports
منشور في 2020"…The purpose of this study is to: (a) determine current waterproofing systems and components of concrete roofs at airports, (b) explore frequently used techniques to design optimal preventive maintenance policies, and (c) derive an optimal preventive multi-objective risk-based maintenance strategy via simulation that can diminish failure costs, thereby decreasing the system’s overall maintenance costs. …"
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masterThesis -
391
Error probability of coded STBC systems in block fading environments
منشور في 2006"…In this letter, a union bound on the error probability of coded multi-antenna systems over block fading channels is derived. The bound is based on uniform interleaving of the coded sequence prior to transmission over the channel. …"
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article -
392
LDL-C Targets in Secondary Prevention: How Low Should We Go?
منشور في 2019"…<h3>Abstract</h3><p dir="ltr">The benefits of lowering low-density lipoprotein cholesterol (LDL-C), mainly using high-intensity statin therapy, and its impact on decreasing the recurrence of atherosclerotic cardiovascular disease (ASCVD) in secondary prevention has been well established. …"
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393
Transfusion of Plasma from Young Exercise mice ameliorates Aging-associated Cognitive Impairments on Learning and Memory through activation of Autophagy
منشور في 2022"…The beneficial effects of exercise are mediated through the induction of the brain derived neurotrophic factor (BDNF). Previous work identified that exercise promotes cognition by inducing autophagy. …"
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masterThesis -
394
Plasma volume variations in response to high intensity interval training in obese women: The influential role of menopausal status and age
منشور في 2025"…These measurements were derived using hematocrit (Ht) and hemoglobin (Hb) values. …"
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article -
395
A nonlinear PID servo controller for computer hard disk drives
منشور في 2020"…The controller is capable of increasing (decreasing) damping effect when the system output is moving away from (towards) the desired track. …"
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article -
396
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397
Throughput of ARQ protocols over Rician, Nakagami and MIMO block fading channels
منشور في 2020"…Moreover, the performance of multi-input multioutput (MIMO) ARQ systems employing space-time block codes (STBCs) is derived. The effect of antenna correlation in MIMO ARQ systems is investigated analytically. …"
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article -
398
Sulforaphane Delays Fibroblast Senescence by Curbing Cellular Glucose Uptake, Increased Glycolysis, and Oxidative Damage
منشور في 2018"…SFN delayed senescence by decreasing glucose metabolism on the approach to senescence, exhibiting a caloric restriction mimetic-like activity and thereby decreased oxidative damage to cell protein and DNA. …"
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399
Oxandrolone Treatment in Adults with Severe Thermal Injury
منشور في 2009"…Oxandrolone, a synthetic derivative of testosterone, has been used in adult patients with severe thermal injury to enhance lean body mass accretion, restore body weight, and accelerate wound healing. …"
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article -
400
Global, regional, and national progress towards Sustainable Development Goal 3.2 for neonatal and child health: all-cause and cause-specific mortality findings from the Global Burd...
منشور في 2021"…</p><p><br></p><h3>Findings</h3><p dir="ltr">Global U5MR decreased from 71·2 deaths per 1000 livebirths (95% uncertainty interval [UI] 68·3–74·0) in 2000 to 37·1 (33·2–41·7) in 2019 while global NMR correspondingly declined more slowly from 28·0 deaths per 1000 live births (26·8–29·5) in 2000 to 17·9 (16·3–19·8) in 2019. …"