11 research outputs found
A Szemeredi-Trotter type theorem in
We show that points and two-dimensional algebraic surfaces in
can have at most
incidences, provided that the
algebraic surfaces behave like pseudoflats with degrees of freedom, and
that . As a special case, we obtain a
Szemer\'edi-Trotter type theorem for 2--planes in , provided
and the planes intersect transversely. As a further special case, we
obtain a Szemer\'edi-Trotter type theorem for complex lines in
with no restrictions on and (this theorem was originally proved by
T\'oth using a different method). As a third special case, we obtain a
Szemer\'edi-Trotter type theorem for complex unit circles in . We
obtain our results by combining several tools, including a two-level analogue
of the discrete polynomial partitioning theorem and the crossing lemma.Comment: 50 pages. V3: final version. To appear in Discrete and Computational
Geometr
Zastosowanie grzybów Trichoderma do uwalniania cukrów prostych z roślinnych surowców odpadowych
The aim of the presented work was to examine the applicability of selected agri-food industry waste materials as substrates for microbial hydrolytic enzymes biosynthesis (mostly celulases, xylanases and poligalacturonases) as well as to determine the quantitative and qualitative composition of mono- and disaccharides released from non-starch polysaccharides. (sucrose, glucose, galactose, fructose, cellobiose, etc). Two strains of Trichoderma fungi were tested: T. citrinoviride C1 and T. harzianum T33 in SSF culture on six different waste materials from agro-food industries (pulp from: cherries with seeds, pears, red cabbage, cornelian cherry and grapes with seeds).W pracy przedstawiono ocenę możliwości zagospodarowania wybranych odpadów przemysłu rolno-spożywczego jako substratu do mikrobiologicznej biosyntezy enzymów hydrolitycznych (głównie celulaz, ksylanaz i poligalakturonaz) a także, określenie składu ilościowego i jakościowego uwalnianych z polisacharydów nieskrobiowych mono- i disacharydów (sacharozy, glukozy, galaktoza, fruktozy, celobiozy itd). Testowano dwa szczepy grzybów z rodzaju Trichoderma: T. citri-noviride C1 i T. harzianum T33 w hodowlach SSF na sześciu różnych surowcach pochodzących z przemysłu rolno-spożywczego (wytłoki z: wiśni z pestkami, gruszki, czerwonej kapusty, derenia, winogron z pestkami)