Results 31 to 40 of about 2,415,864 (139)

EFFECT OF WOOD DENSITY AND SCREW LENGTH ON THE WITHDRAWAL RESISTANCE OF TROPICAL WOOD [PDF]

open access: yes, 2018
EFEITO DA DENSIDADE DA MADEIRA E DO COMPRIMENTO DO PARAFUSO NA RESISTÊNCIA AO ARRANCAMENTO EM MADEIRAS TROPICAIS Na maioria das ligações os pinos metálicos estão solicitados por forças laterais, mas ocasionalmente há a necessidade da utilização de ...
Ribeiro, Mariana Lopes   +7 more
core   +1 more source

Assessment of the molecular marker of Plasmodium falciparum chloroquine resistance (Pfcrt) in Senegal after several years of chloroquine withdrawal. [PDF]

open access: yes, 2012
As a result of widespread antimalarial drug resistance, all African countries with endemic malaria have, in recent years, changed their malaria treatment policy.
Dieng, Yemou   +21 more
core   +1 more source

A New Design of the Tooth Profile for Single Screw Compressors [PDF]

open access: yes, 2012
The wear of star wheel teeth is an importance issue in the single screw compressor. In order to enhance the wearresistance of star wheel teeth, some new profiles of the meshing pair were proposed to replace the currently used straight line envelope ...
Feng, Quanke   +3 more
core   +1 more source

PROPERTIES OF WOOD AND RICE HUSK PARTICLEBOARD IN DIFFERENT PROPORTIONS

open access: yesCiência Florestal, 2010
This work aimed at evaluating the quality of particleboard manufactured with different wood proportions (Eucalyptus grandis) and rice husk. The composites were produced in the proportions 0, 20, 40, 60, 80, and 100% of rice husk with the use of urea ...
Rafael Rodolfo de Melo   +3 more
doaj   +1 more source

Influence of Chemical Modification with Polycrease ECR on the Functional Performance of Poplar wood Polymer [PDF]

open access: yesتحقیقات علوم چوب و کاغذ ایران, 2017
In this research the effect of chemical modification with Polycrease ECR on the functional performance of poplar wood to use as wood polymer were investigated.
Aisona Talaei, Mohammad Hadi Rezvani
doaj   +1 more source

Screw-press gluing in timber construction – press force predictions and application limits

open access: yesResults in Engineering
Screw-press gluing is a highly efficient and often the exclusive possibility to join components of ribbed wooden elements and for plate or strip type reinforcement of timber structures.
Simon Aicher, Aaron Münzer, Kai Simon
doaj   +1 more source

Effect of Particle Size on Bamboo Particle Board Properties

open access: yesFloresta e Ambiente, 2019
In this work, bamboo chips (Dendrocalamus asper) were crushed according to four particle size classes (A = -35+40 mesh; B = -40+48 mesh; C = -48+60 mesh; D = -60+65 mesh) to produce particleboards with four different compositions (100%A; 75%A + 25% B; 50%
Jessica Thais de Lira Bazzetto   +2 more
doaj   +1 more source

Research of suitability of some mechanical properties of particle board produced from cotton stalks to standards

open access: yesTurkish Journal of Forestry, 2020
Today, reduction of forest resources and wood-based panel production of intense pressure from environmentalists on this issue has led to new searches.
İ̇brahim Bektaş   +2 more
doaj   +1 more source

Numerical Analysis of Performance, Rotor Temperature Distributions, and Rotor Thermal Deformation of an R134a Screw Compressor [PDF]

open access: yes, 2012
A numerical analysis is performed to systematically calculate the performance, rotor temperature distributions, and rotor thermal deformation of an R134a screw compressor. The analysis procedure includes three major steps.
Hsieh, Wenhsin   +3 more
core   +1 more source

Determination of Screw and Nail Withdrawal Strengths in Parallel and Perpendicular to Grain of some Hardwoods of Iran [PDF]

open access: yesIranian Journal of Wood and Paper Industries, 2013
In this study, screw and nail withdrawal strengths parallel and perpendicular longitudinal to grain of some hardwoods; oak (Quercus castaneifolia), hornbeam (Carpinus betulus), beech (Fagus orientalis), Sycamore (Platanus oriantalis) and poplar (Populus ...
Sadegh Maleki   +2 more
doaj  

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