Results 31 to 40 of about 20,294,078 (287)

ROBINS-I: a tool for assessing risk of bias in non-randomised studies of interventions

open access: yesBritish medical journal, 2016
Non-randomised studies of the effects of interventions are critical to many areas of healthcare evaluation, but their results may be biased. It is therefore important to understand and appraise their strengths and weaknesses. We developed ROBINS-I (“Risk
J. Sterne   +34 more
semanticscholar   +1 more source

The clustering of the SDSS DR7 Main Galaxy Sample I: a 4 per cent distance measure at z=0.15 [PDF]

open access: yes, 2014
We create a sample of spectroscopically identified galaxies with z < 0.2 from the Sloan Digital Sky Survey (SDSS) Data Release 7 (DR7), covering 6813 deg(2).
A. Ross   +5 more
semanticscholar   +1 more source

Second generation of walnut planted forests in EU

open access: yesAnnals of Silvicultural Research, 2020
- no abstract -
Jesús Fernández Moya   +1 more
doaj   +1 more source

GWTC-1: A Gravitational-Wave Transient Catalog of Compact Binary Mergers Observed by LIGO and Virgo during the First and Second Observing Runs [PDF]

open access: yes, 2018
We present the results from three gravitational-wave searches for coalescing compact binaries with component masses above 1$\mathrm{M}_\odot$ during the first and second observing runs of the Advanced gravitational-wave detector network. During the first
The Ligo Scientific Collaboration   +499 more
semanticscholar   +1 more source

Hyperelliptic d-Tangential Covers and d× d-Matrix KdV Elliptic Solitons

open access: yesInternational Mathematics Research Notices, 2018
Abstract More than $40$ years ago I. Krichever developed the Theory of (vector) Baker–Akhiezer functions and devised a criterion for a $d$-marked compact Riemann surface to provide $d\times d$-matrix solutions to the KdV equation. Later on he also found a criterion for a $d$-marked curve to provide $d\times d$-matrix solutions to the ...
openaire   +1 more source

Hamiltonian Simulation by Qubitization [PDF]

open access: yesQuantum, 2016
We present the problem of approximating the time-evolution operatore−iH^tto errorϵ, where the HamiltonianH^=(⟨G|⊗I^)U^(|G⟩⊗I^)is the projection of a unitary oracleU^onto the state|G⟩created by another unitary oracle.
G. Low, I. Chuang
semanticscholar   +1 more source

Duplex Stainless Steel Laser‐Surface Textured: Stability in Brine Solution

open access: yesAdvanced Engineering Materials, EarlyView.
Controlled laser‐surface treatment (LST) of duplex DSS2205 steel is performed to increase its stability in brine solution under cyclic electrochemical assays. The superior protection with respect to flat and smooth panels is attributed to the presence of FeCr2O4 as the main protective oxide layer in the LST surface, after corrosion tests. The stability
Mohammad Rezayat   +5 more
wiley   +1 more source

Central Intelligence Agency

open access: yesThe SAGE Encyclopedia of Criminal Psychology, 2019
1. The enclosed I n t e l l i g e n c e Information Spec ia l Report is p a r t o f a s e r i e s now i n m e p a r a t i o n based on t h e SECRET USSR M i n i s t r y o f Defense p u b l i c a i i o n Co l l ec t ion of A r t i c l e s of t h e J o u r
J. McMahon
semanticscholar   +1 more source

Combined Process‐ and Phase‐Field‐Simulation to Predict the Microstructure of Single‐Crystal Ni‐Based Superalloys

open access: yesAdvanced Engineering Materials, EarlyView.
A combined finite element and phase‐field approach predicts the evolution of microstructure during the directional solidification of Ni‐based superalloys. The model reveals how withdrawal rate, temperature gradient, and wall thickness control the dendrite spacing, highlighting the strong effect of surface regions in thin sections where dendrite growth ...
Sean Böhm   +3 more
wiley   +1 more source

Global, regional, and national age-sex-specific mortality for 282 causes of death in 195 countries and territories, 1980–2017: a systematic analysis for the Global Burden of Disease Study 2017

open access: yesThe Lancet, 2018
Summary Background Global development goals increasingly rely on country-specific estimates for benchmarking a nation's progress. To meet this need, the Global Burden of Diseases, Injuries, and Risk Factors Study (GBD) 2016 estimated global, regional ...
Gregory A Degu Kalkidan Hassen Solomon M Cristiana Nooshin Roth Abate Abate Abay Abbafati Abbasi Abbastabar A   +499 more
semanticscholar   +1 more source

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