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PubMed Journals Articles About "Forecasting Hunt First Supermassive Black Holes" RSS

05:11 EDT 17th June 2019 | BioPortfolio

Forecasting Hunt First Supermassive Black Holes PubMed articles on BioPortfolio. Our PubMed references draw on over 21 million records from the medical literature. Here you can see the latest Forecasting Hunt First Supermassive Black Holes articles that have been published worldwide.

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Showing "Forecasting Hunt First Supermassive Black Holes" PubMed Articles 1–25 of 1,300+

Quantum Transfiguration of Kruskal Black Holes.

We present a new effective description of macroscopic Kruskal black holes that incorporates corrections due to quantum geometry effects of loop quantum gravity. It encompasses both the "interior" region that contains classical singularities and the "exterior" asymptotic region. Singularities are naturally resolved by the quantum geometry effects of loop quantum gravity, and the resulting quantum extension of the full Kruskal space-time is free of all the known limitations of previous investigations of the S...


Can Google Trends data improve forecasting of Lyme disease incidence?

Online activity-based epidemiological surveillance and forecasting is getting more and more attention. To date, Google search volumes have not been assessed for forecasting of tick-borne diseases. Thus, we performed an analysis of forecasting of the Lyme disease incidence based on the traditional data extended with Google Trends.

Hole superiority effect with 3D figures formed by binocular disparity.

The global-first theory of topological perception claims that topological perception is prior to the perception of local features (e.g., Chen, 1982, 2005). Our previous studies demonstrated a hole superiority effect (HSE): Figures with holes are more detectable than figures without holes. Such an HSE was shown with figures formed by either orientation-defined texture (Zhang, 2009) or a black-and-white contrast (Meng, Cui, Zhou, Chen, & Ma, 2012). The present study used binocular disparity as one more organi...


A High Neutrophil-to-Lymphocyte Ratio Is Associated with Recovery from Ramsay Hunt Syndrome.

Prediction of the severity and outcomes of Ramsay Hunt syndrome (RHS) is difficult.

Tracking Black Hole Kicks from Gravitational-Wave Observations.

Coalescing binary black holes emit anisotropic gravitational radiation. This causes a net emission of linear momentum that produces a gradual acceleration of the source. As a result, the final remnant black hole acquires a characteristic velocity known as recoil velocity or gravitational kick. The symmetries of gravitational wave emission are reflected in the interactions of the gravitational wave modes emitted by the binary. In this Letter, we make use of the rich information encoded in the higher-order mo...

Vision: Filling Black Holes.

At night our visual system does not have information on the center of the visual field, yet it manages to fill this gap. A recent study uncovers details and paradoxes of this phenomenon.

First-Principles Plasma Simulations of Black-Hole Jet Launching.

Black holes drive powerful plasma jets to relativistic velocities. This plasma should be collisionless, and self-consistently supplied by pair creation near the horizon. We present general-relativistic collisionless plasma simulations of Kerr-black-hole magnetospheres which begin from vacuum, inject e^{±} pairs based on local unscreened electric fields, and reach steady states with electromagnetically powered Blandford-Znajek jets and persistent current sheets. Particles with negative energy at infinity ar...

Gravitational Waves in Massive Gravity Theories: Waveforms, Fluxes, and Constraints from Extreme-Mass-Ratio Mergers.

Is the graviton massless? This problem was addressed in the literature at a phenomenological level, using modified dispersion relations for gravitational waves, in linearized calculations around flat space. Here, we perform a detailed analysis of the gravitational waveform produced when a small particle plunges or inspirals into a large nonspinning black hole. Our results should presumably also describe the gravitational collapse to black holes and explosive events such as supernovae. In the context of a th...

Forecasting the 2021 local burden of population alcohol-related harms using Bayesian structural time-series.

Harmful alcohol use places a significant burden on health services. Sophisticated nowcasting and forecasting methods could support service planning, but their use in public health has been limited. We aimed to use a novel analysis framework, combined with routine public health data, to improve now- and forecasting of alcohol-related harms.

Even a good influenza forecasting model can benefit from internet-based nowcasts, but those benefits are limited.

The ability to produce timely and accurate flu forecasts in the United States can significantly impact public health. Augmenting forecasts with internet data has shown promise for improving forecast accuracy and timeliness in controlled settings, but results in practice are less convincing, as models augmented with internet data have not consistently outperformed models without internet data. In this paper, we perform a controlled experiment, taking into account data backfill, to improve clarity on the bene...

Black Nurse Leaders in the Canadian Healthcare System.

This article highlights a growing gap in the Canadian nursing workforce, specifically in nursing leadership. Black nurses are significantly underrepresented in nursing and even more so as nurse leaders. This commentary will provide a brief background related to Black nurses in healthcare, a description of nursing leadership, the significance of having Black nurses in leadership positions and finally how to move towards increasing the representation and visibility of Black nurse leaders. This commentary is t...

When and why people misestimate future feelings: Identifying strengths and weaknesses in affective forecasting.

People try to make decisions that will improve their lives and make them happy, and to do so, they rely on affective forecasts-predictions about how future outcomes will make them feel. Decades of research suggest that people are poor at predicting how they will feel and that they commonly overestimate the impact that future events will have on their emotions. Recent work reveals considerable variability in forecasting accuracy. This investigation tested a model of affective forecasting that captures this v...

Accuracy gains from conservative forecasting: Tests using variations of 19 econometric models to predict 154 elections in 10 countries.

Do conservative econometric models that comply with the Golden Rule of Forecasting provide more accurate forecasts?

Risk Management, Signal Processing and Econometrics: A New Tool for Forecasting the Risk of Disease Outbreaks.

This paper takes a novel approach for forecasting the risk of disease emergence by combining risk management, signal processing and econometrics to develop a new forecasting approach. We propose quantifying risk using the Value at Risk criterion and then propose a two staged model based on Multivariate Singular Spectrum Analysis and Quantile Regression (MSSA-QR model). The proposed risk measure (PLVaR) and forecasting model (MASS-QR) is used to forecast the worst cases of waterborne disease outbreaks in 22 ...

Anisotropies in the Astrophysical Gravitational-Wave Background: The Impact of Black Hole Distributions.

We use population inference to explore the impact that uncertainties in the distribution of binary black holes (BBH) have on the astrophysical gravitational-wave background (AGWB). Our results show that the AGWB monopole is sensitive to the nature of the BBH population (particularly the local merger rate), while the anisotropic C_{ℓ} spectrum is only modified to within a few percent, at a level which is insignificant compared to other sources of uncertainty (such as cosmic variance). This is very promisin...

Assessment of Time-Series Machine Learning Methods for Forecasting Hospital Discharge Volume.

Forecasting the volume of hospital discharges has important implications for resource allocation and represents an opportunity to improve patient safety at periods of elevated risk.

Facile synthesis of Pt-decorated Ir black as a bifunctional oxygen catalyst for oxygen reduction and evolution reactions.

Pt-Decorated Ir black (Pt@Ir) nanoparticles with two varying Pt mass fractions (Pt4@Ir96 and Pt16@Ir84) were generated by a facile method in water with the aid of Ir black. The Pt@Ir nanoparticles were investigated as a bifunctional oxygen catalysts for both the oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) in acidic medium. Benefiting from the good dispersion of ultrafine Pt nanodots on the Ir black surface and the synergistic effect between the Pt and underlying Ir atoms, Pt@Ir nanop...

Rapid and quantitative detection of trace Sudan black B in dyed black rice by surface-enhanced Raman spectroscopy (SERS).

The use of Sudan black B as coloring agent in foods is forbidden for its toxicology effect on human organs. This work proposes an efficient and sensitive method for food security inspection targeting Sudan black B. Surface-enhanced Raman spectroscopy (SERS) is applied to the analysis of trace Sudan black B. It could be detected at concentrations as low as 0.05 mg/L in standard solutions and 0.1 mg/kg in black rice extracts with the SERS method for measurement. The linear relationship between the intensi...

An Examination of Preterm Birth and Residential Social Context among Black Immigrant Women in California, 2007-2010.

The foreign-born black population contributes a considerable amount of heterogeneity to the US black population. In 2005, black immigrants accounted for 20% of the US black population. Compared to native-born black women, black immigrant women are at lower risk for adverse birth outcomes, including preterm birth. Some scholars posit that differential exposures to socioeconomic disadvantage and structural racism in the residential context may account for this advantage. However, to date, few studies offer co...

Where to place the rewards? Exploration bias in mice influences performance in the classic hole-board spatial memory test.

The classic hole-board paradigm (a square arena with 16 holes arranged equidistantly in a 4 × 4 pattern) assesses both exploration and spatial memory in rodents. For spatial memory training, food rewards are hidden in a fixed set of holes. The animal must not visit (i.e. nose-poke) the holes that are never baited (reference memory; RM) nor re-visit a baited hole within a session (working memory; WM). However, previous exploratory bias may affect performance during reward searching. During habituation s...

Deep-learning for seizure forecasting in canines with epilepsy.

This paper introduces a fully automated, subject-specific deep-learning convolutional neural network (CNN) system for forecasting seizures using ambulatory intracranial EEG (iEEG). The system was tested on a hand-held device (Mayo Epilepsy Assist Device) in a pseudo-prospective mode using iEEG from 4 canines with naturally occurring epilepsy. Approach: The system was trained and tested on 75 seizures collected over 1608 days utilizing a genetic algorithm to optimize forecasting hyper-p...

Exploring problematic internet use among non-latinx black and latinx youth using the problematic internet use questionnaire-short form (PIUQ-SF).

Non-Latinx black and Latinx youth have reported more frequent Internet use compared to White youth, yet problematic Internet use among these groups of youth remains underexplored. This study aimed to validate the Problematic Internet Use Questionnaire-Short Form (PIUQ-SF) and investigate the characteristics of problematic Internet use among non-Latinx black and Latinx youth. Cross-sectional data were collected from a convenience sample of 235 high school students in Southeastern Florida (Mean Age = 16.1...

Resilience, condom use self-efficacy, internalized homophobia, and condomless anal sex among black men who have sex with men, New York City.

Black men who have sex with men, who account for less than 1% of the U.S. population, account for approximately 25% of new HIV infections annually. Condomless anal sex contributes to HIV infection among black men who have sex with men. The capacity to recover quickly from difficulties (resilience) may be protective against condomless anal sex, but has been understudied among black men who have sex with men. Psychosocial factors related to resilience, i.e., condom use self-efficacy and internalized homophobi...

Tunnel millisecond-delay controlled blasting based on the delay time calculation method and digital electronic detonators to reduce structure vibration effects.

The reasonable delay time of millisecond-delay blasting using digital electronic detonators can significantly reduce the vibration effects induced by tunnel blasting. This study proposes a method for calculating the delay time for cut holes, easer holes and periphery holes, considering the rocks breaking effect as well as wave superposition theory. And then according to the actual layout diagram of the tunnel holes, the delay time calculation formulas of different holes are put forward. Then the delay times...

Disparities in Incidence of Human Immunodeficiency Virus Infection Among Black and White Women - United States, 2010-2016.

Incident human immunodeficiency virus (HIV) infections among adolescent females and women declined during 2010-2016, with the largest decrease (21%) occurring among black women (1). However, in 2016, although black women accounted for 13% of the U.S. female population, 60% of new HIV infections among women were in black women, indicating persisting disparities (1). CDC used the population attributable proportion (PAP) disparity measure to describe the proportional decrease in HIV infection among black and w...


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