Results 61 to 70 of about 4,740,864 (321)

Refinement of amino‐acid conformation vs. difference density maps in time‐resolved serial femtosecond crystallography data analysis

open access: yesFEBS Open Bio, EarlyView.
The dFoCC pipeline starts with observed DED and resting‐state coordinates, which are then used to generate a library of triggered states. Correlation analysis of the calculated DED features of each candidate vs observed DED permits quantitative evaluation of candidate structural quality.
Meng Iao Fong   +3 more
wiley   +1 more source

Métodos probabilístico e determinístico para diagnóstico da necessidade de subsolagem de solos agrícolas Probabilistic and deterministic methods for agricultural subsoiling diagnosis

open access: yesEngenharia Agrícola, 2004
Este trabalho apresenta duas metodologias para avaliar os níveis de resistência mecânica à penetração e auxiliar na tomada de decisão quanto à necessidade de se proceder à operação de subsolagem.
Gilmar da Silva   +2 more
doaj   +1 more source

TILLAGE TOOLS DRAUGHT IN SANDY LOAM SOILS, AT AL-QASSIM ARID AREA (Part II). [PDF]

open access: yesJournal of Soil Sciences and Agricultural Engineering, 2002
Using cone index as indication of soil strength, empirical equations are developed in accordance with soil mechanics theory to relate soil strength or properties to tillage tools draught.
E.B. Elbanna
doaj   +1 more source

Rational indexes of generators of the cone of context-free languages

open access: yesTheoretical Computer Science, 1992
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
openaire   +1 more source

Nonconvex retracts and computation for fixed point index in cones [PDF]

open access: yesTopological Methods in Nonlinear Analysis, 2016
In this paper we construct two retracts in a cone by nonnegative functionals of convex and concave types, and an example is given to illustrate that the retracts are nonconvex. Then the nonconvex retracts are used to compute the fixed point index for the completely continuous operator in the domains $D_1\cap D_2$ and $D_1\cup D_2$, where $D_1$ and $D_2$
Zhang, Guowei, Li, Pengcheng
openaire   +2 more sources

Longitudinal Assessment of Biomarkers in ALS: Discriminative Biomarkers for Disease Progression and Survival

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective To assess the association and discriminative performance of serum biomarkers with clinical disease progression and survival in patients with amyotrophic lateral sclerosis (ALS). Methods This retrospective study, conducted at Houston Methodist Hospital, Houston, TX, used longitudinal serum samples collected between January 2018 and ...
David R. Beers   +7 more
wiley   +1 more source

Laser Powder Bed Fusion of Alumina: Effects of Scanning Strategies on External and Internal Defects

open access: yesAdvanced Engineering Materials, EarlyView.
This study investigates how scanning strategies affect pure alumina in laser powder bed fusion. Linear 45° scanning yields uniform surfaces but high porosity, while the island‐concentric strategy provides higher density with through‐holes favorable for infiltration. Findings highlight pathways toward optimizing defect‐free alumina parts.
Mohamed Abdelmoula   +7 more
wiley   +1 more source

Fano manifolds of index n-1 and the cone conjecture [PDF]

open access: yes, 2014
The Morrison-Kawamata cone conjecture predicts that the actions of the automorphism group on the effective nef cone and the pseudo-automorphism group on the effective movable cone of a klt Calabi-Yau pair (X,Δ) have finite, rational polyhedral ...
Artie Prendergast (1250592)   +1 more
core  

Experimental Researches Regarding Determination of Soil Cone Index in a Soil-Tyre Interaction Process

open access: yes, 2010
Soil compaction mainly occurs in occasions related with agricultural traffic, when the soil is subjected to various applied loads by different types of agricultural implements.
ROŞ, Victor   +5 more
core   +1 more source

Near‐Field Electrospinning Micro‐Printhead Achieves Precise Control of Nanofiber Deposition

open access: yesAdvanced Engineering Materials, EarlyView.
A micro‐printhead for near‐field electrospinning enables reproducible deposition of polymer nanofibers with diameters below 50 nm. Systematic parameter studies uncover the mechanisms linking operating conditions to fiber morphology, paving the way for precise and low‐cost nanoscale 3D manufacturing.As a high‐resolution, cost‐effective, and rapid ...
Han Xu, Dario Mager, Jan G. Korvink
wiley   +1 more source

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