The organosolv-fractionation process can act as a biorefinery because it separate the main components of biomass, such lignin and hemicellulose, with high purity. ethanol-based was applied to carbohydrates from rice husks, extraction behavior observed according various reaction variables. Various conditions different temperatures (150 °C, 170 190 °C), times (30 min, 60 120 min), ethanol concent...

Jung et al.34 (2007) randomly allocated 13 Yorkshire pigs to two groups for pulsatile (twin pulse pump, n=7) versus non-pulsatile (biopump, n=6) VAD treatment after electrically induced ventricular fibrillation and investigated the flow in the left coronary artery. After 20, 40, 60, 80, 100 and 120 min, they measured mean coronary flows of 0.77±0.3, 0.76±0.19, 0.95±0.23, 0.86±0.23, 1.00±0.24 an...

in this study, the performance of electro-coagulation in combination with aluminum sacrificial anode, in removal of zinc and copper has been investigated. several parameters, such as pollutant concentration, ph, electrical potential, cod, turbidity and contact time were studied to achieve a higher removal capacity. variable concentrations (5-50-500 ppm) of zinc and copper solutions were prepare...

This paper presents a characterization of PA6 and the blend PA6+EPDM (60/40) by tensile tests in order to evaluate several mechanical properties for impact resistance applications. Results were found be dependend on test rate (10 mm/min, 250 mm/min 1000 mm/mm). SEM investigation point out homogenous structure. The has better value energy at break, higher speed: v=250 this characteristic break 2...

The principal objective of this study was to derive an improved procedure for cryopreservation of swamp buffalo (Bubalus bubalis) spermatozoa. Experiments were conducted to determine effects of cooling rate, intermediate plunge temperature and warming rate on motility and acrosome integrity of spermatozoa. Spermatozoa were obtained from three bulls (three ejaculates/bull) and were subjected to ...

Extremely low frequency magnetic field (ELF-MF) may result in oxidative DNA damage and lipid peroxidation with an ultimate effect on a number of systemic disturbances and cell death. The aim of the study is to assess the effect of ELF-MF parameters most frequently used in magnetotherapy on reactive oxygen species generation (ROS) in brain tissue of experimental animals depending on the time of ...

OBJECTIVE Intra-arterial injection of Mesobuthus tamulus (BT) venom produces reflex vasosensory responses modulating cardiorespiratory parameters in albino rats. The present study was conducted to understand the role of kinin receptors in modulating vasosensory reflexes evoked by BT venom. MATERIALS AND METHODS In urethane-anesthetized rats, tracheostomy was performed to keep the airway paten...

Rous sarcoma virus harvested from cells at intervals of 3 min has the same density, sedimentation coefficient, and DNA polymerase as virus harvested at hourly intervals. The RNA of the Prague strain-C consists of a minor class of 60-70S RNA, a major class 30-40S RNA, and a 4-12S class of RNA present at variable concentration. The RNA of the Schmidt-Ruppin strain-A contains more 60-70S than 30-4...