Results 51 to 60 of about 19,709,402 (356)
Investigation of the chemocatalytic and biocatalytic valorization of a range of different lignin preparations: The importance of β-O-4 content [PDF]
, 2016 A set of seven different lignin preparations was generated from a range of organosolv (acidic, alkaline, ammonia-treated, and dioxane-based), ionic liquid, autohydrolysis, and Kraft pretreatments of lignocelluloses.
Bouxin, Florent +10 more
core +4 more sources
Agribusiness, EarlyView.Abstract The Russian invasion of Ukraine in February 2022 had profound consequences for the global economy. As both countries are major commodity exporters, the food value chain was also affected. This study investigates the impact of the invasion on stock prices, profitability and sentiments of agribusinesses along the food supply chain by using an ...
Julia Höhler +2 more
wiley +1 more source
Polarizations and Nullcone of Representations of Reductive Groups [PDF]
, 2010 The paper starts with the following simple observation. Let V be a representation of a reductive group G, and let f_1,f_2,...,f_n be homogeneous invariant functions. Then the polarizations of f_1,f_2,...,f_n define the nullcone of k 0} h(t) x = 0 for all
C. Procesi +11 more
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Archaeological Prospection, EarlyView.ABSTRACT Below the classical fortress of Samikon at the coast of the western Peloponnese, ancient writer Strabo mentioned a sanctuary of Poseidon which served as the centre of the religious association of the Triphylian cities. In this paper, we describe the discovery and investigation of a building structure by means of geophysical and ...
Dennis Wilken +10 more
wiley +1 more source
Química Nova, 2009 The main objective of the present work is represented by the characterization of the physical properties of industrial kraft paper (i.e. transversal and longitudinal tear resistance, transversal traction resistance, bursting or crack resistance ...
Gisely Samistraro +3 more
doaj +1 more source
Comparison on the characteristics of Salix nigra Kraft and Soda pulp and paper [PDF]
تحقیقات علوم چوب و کاغذ ایران, 2014 In this study pulp and hand sheets paper characteristics of Salix nigra wood kraft and soda pulp and paper were investigated. Average density of dry and bulk density wood were determined 0.35 and 150 kg/m3 and average fiber dimension consist of fiber ...
Lila Karami motaghi +2 more
doaj +1 more source
Process for purification of waste water produced by a Kraft process pulp and paper mill [PDF]
, 1979 The water from paper and pulp wastes obtained from a mill using the Kraft process is purified by precipitating lignins and lignin derivatives from the waste stream with quaternary ammonium compounds, removing other impurities by activated carbon produced
Humphrey, M. F.
core +1 more source
Normality of orbit closures in the enhanced nilpotent cone [PDF]
, 2010 We continue the study of the closures of $GL(V)$-orbits in the enhanced nilpotent cone $V\times\cN$ begun by the first two authors. We prove that each closure is an invariant-theoretic quotient of a suitably-defined enhanced quiver variety. We conjecture,
Achar, Pramod N. +2 more
core +3 more sources
A Research on the Strength of Kraft Paper
JAPAN TAPPI JOURNAL, 1966 A lot of researches have been announced about the relation between the tension given to sheet and the strength of accomplished paper in the process of drying sheet. These researches, however, every of them, are described that by adding a constant tension or threegraded tension to sheet in the process of drying it, it should be dried and, then analized.
openaire +2 more sources
British Educational Research Journal, EarlyView.Abstract Many nations experience recurring shortages of teachers in particular subjects, prompting concerns that pupils' education is suffering as a result. Researchers have responded by generating a sizable literature on the reasons for which people enter and exit the teaching profession.
Sam Sims +2 more
wiley +1 more source