Results 31 to 40 of about 722,741 (282)
Effects of washing method on the bagasse pulping characteristics by Sulfur Dioxide- Ethanol-Water (SEW) process [PDF]
Iranian Journal of Wood and Paper Industries, 2017 SO2-ethanol-water (SEW) pulping can be considered a hybrid between solvent and acid sulfite pulping processes. Recently this process in order to separation the principal components (cellulose, hemicelluloses and lignin) have been considered.
aliasghar tatari +4 more
doaj
Journal of Natural Fibers, 2022 The current study investigated the Ethiopian sugarcane bagasse during its delignification using the Kraft pulping process and bleaching by single stage hydrogen peroxide process.
Medhanit Mamaye +3 more
doaj +1 more source
Phase transitions in the condition number distribution of Gaussian random matrices
, 2014 We study the statistics of the condition number $\kappa=\lambda_{\mathrm{max}}/\lambda_{\mathrm{min}}$ (the ratio between largest and smallest squared singular values) of $N\times M$ Gaussian random matrices.
Castillo, Isaac Pérez +2 more
core +3 more sources
More on Compactness of Chromatic Numbers [PDF]
, 2013 We prove that for any regular kappa and mu > kappa below the first fix point (lambda = aleph_lambda) above kappa, there is a graph with chromatic number > kappa, and mu^kappa nodes but every subgraph of cardinality < mu has chromatic number less than or ...
Shelah, Saharon
core
Local Interactions and Protein Folding: A Model Study on the Square and Triangular Lattices
, 1997 We study a simple heteropolymer model containing sequence-independent local interactions on both square and triangular lattices. Sticking to a two-letter code, we investigate the model for varying strength $\kappa$ of the local interactions; $\kappa=0 ...
Irbäck, Anders, Sandelin, Erik
core +2 more sources
Impact of impregnation on high kappa number hardwood pulps
BioResources, 2011 Mixed US southern hardwood chips were impregnated and cooked under various conditions in the laboratory. Kappa numbers between 15 and 55 were obtained. The reject content, kappa number, and yield were studied as a function of time, temperature, and alkali charge in the cooking.
Peter W. Hart +3 more
openaire +1 more source
The impact of kappa number composition on eucalyptus kraft pulp bleachability [PDF]
Brazilian Journal of Chemical Engineering, 2007 Consumption of chemicals during ECF bleaching of kraft pulp correlates reasonably well with kappa number, which measures with KMnO4 the total amount of oxidizable material in the pulp. However, the method does not distinguish between the oxidizable material in residual lignin and other structures susceptible to oxidation, such as hexenuronic acids ...
Costa, M. M., Colodette, J. L.
openaire +3 more sources
Function‐driven design of a surrogate interleukin‐2 receptor ligand
FEBS Letters, EarlyView.Interleukin (IL)‐2 signaling can be achieved and precisely fine‐tuned through the affinity, distance, and orientation of the heterodimeric receptors with their ligands. We designed a biased IL‐2 surrogate ligand that selectively promotes effector T and natural killer cell activation and differentiation. Interleukin (IL) receptors play a pivotal role in
Ziwei Tang +9 more
wiley +1 more source
Elman Network in Kappa Number Prediction
IFAC Proceedings Volumes, 2009 Abstract Abstract Variations in the pulp quality are mainly due to variations in the quality of wood chips used for pulping. Moisture content of chips, chip size and chip composition vary, and the measurements to reflect these variations do not always exist.
openaire +1 more source
Mechanisms of parasite‐mediated disruption of brain vessels
FEBS Letters, EarlyView.Parasites can affect the blood vessels of the brain, often causing serious neurological problems. This review explains how different parasites interact with and disrupt these vessels, what this means for brain health, and why these processes matter. Understanding these mechanisms may help us develop better ways to prevent or treat brain infections in ...
Leonor Loira +3 more
wiley +1 more source