نتایج جستجو برای: chopped strand mat

تعداد نتایج: 43698  

2008
Nehru Chevanan Alvin R Womac Venkata S Bitra

Bulk density is one of the important engineering property of biomass having significant impact on the supply logistics and processing in ethanol production facilities using lignocellulosic materials. Bulk density of most of the comminuted biomass significantly increased by tapping. Switchgrass, wheat straw and corn stover were chopped in a knife mill at different operating conditions including ...

2013
H. K. Patel G. Ren P. J. Hogg T. Peijs

Hemp fibre mat reinforced polyester composites were fabricated using a conventional sheet moulding compound (SMC) process. The influence of fibre and CaCO3 filler content on strength and stiffness of the HF-SMCs is reported and compared with data for chopped glass fibre reinforced sheet moulding compounds (GF-SMCs). In addition the influence of alkaline and silane treatments of the hemp fibres ...

Journal: :TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A 1992

Journal: :Wood and Fiber Science 2022

Oriented strand board (OSB) is an engineered panel product formed by layering strands of resinated wood in specific orientations into a mat, then pressing the mat at high temperature to form desired strength and stiffness. OSB manufacturing facilities utilize small diameter logs from thinning operations waste harvesting. Considerable variation exists properties raw material ideally industry wou...

2012
Jin Li Eric Coïc Kihoon Lee Cheng-Sheng Lee Jung-Ae Kim Qiuqin Wu James E. Haber

During Saccharomyces cerevisiae mating-type switching, an HO endonuclease-induced double-strand break (DSB) at MAT is repaired by recombining with one of two donors, HMLα or HMRa, located at opposite ends of chromosome III. MATa cells preferentially recombine with HMLα; this decision depends on the Recombination Enhancer (RE), located about 17 kb to the right of HML. In MATα cells, HML is rarel...

Journal: :Genetics 2012
James E Haber

Mating type in Saccharomyces cerevisiae is determined by two nonhomologous alleles, MATa and MATα. These sequences encode regulators of the two different haploid mating types and of the diploids formed by their conjugation. Analysis of the MATa1, MATα1, and MATα2 alleles provided one of the earliest models of cell-type specification by transcriptional activators and repressors. Remarkably, homo...

2006
A. C. Caba A. C. Loos R. C. Batra

Carbon mat thermoplastics (CMT) consisting of 12.7 mm long, chopped carbon fibers in a polypropylene matrix were manufactured using the wetlay technique at fiber volume fractions (FVF) from 10% to 25%, and tests simulating the compression molding process were conducted. The packing stress of the CMT followed a power law relation with FVF. A single fiber pull-out fixture was used to measure the ...

Journal: :Bioresource technology 2010
Nehru Chevanan Alvin R Womac Venkata S P Bitra C Igathinathane Yuechuan T Yang Petre I Miu Shahab Sokhansanj

Bulk density of comminuted biomass significantly increased by vibration during handling and transportation, and by normal pressure during storage. Compaction characteristics affecting the bulk density of switchgrass, wheat straw, and corn stover chopped in a knife mill at different operating conditions and using four different classifying screens were studied. Mean loose-filled bulk densities w...

2005
Cody L. Wright

This experiment was conducted to determine the effect of chopping corn residue prior to baling on the nutrient composition of cornstalk bales. One dryland corn field planted with a single variety of corn was used. After harvest, one half of the field was chopped with a stalk chopper. The remaining half was not chopped. Each half of the field was then raked into windrows, baled, and wrapped with...

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