نتایج جستجو برای: magnetic stirrer bar
تعداد نتایج: 368122 فیلتر نتایج به سال:
effects of inoculation level (4 or 8-fold compared to standard inoculation) and order (standard inoculation before fermentation and 3-fold inoculation at the end of fermentation = 1+3, two-fold inoculation before fermentation and the same at the end of fermentation = 2+2, 2+6, 4-fold before fermentation = 4, 4+4, and 8) of culture inoculums containing probiotics on viscosity, phase separation, ...
Neutron diffraction is used to show that small (∼7 MPa, or 70 bar) uniaxial pressure produces significant changes in the populations of magnetic domains in a single crystal of 2% Nd-doped bismuth ferrite. The magnetic easy plane of the domains converted by the pressure is rotated 60° relative to its original position. These results demonstrate extreme sensitivity of the magnetic properties of m...
The use of lignocellulosic biomass to obtain biofuels and chemicals produces a large amount lignin as byproduct. Lignin valorization into needs efficient conversion processes be developed. In this work, hydrocracking organosolv was performed by using nickel Raney catalyst. Organosolv obtained from the pretreatment eucalyptus wood at 170 °C for 1 h 1/100/100 (w/v/v) ratio biomass/oxalic acid sol...
Vegetable oil bio-based lubricants are regarded as a suitable alternative to petroleum-based due the increasing environmental concerns in past years. This study presents sunflower oil's viscosity and tribological properties with additions containing 0.25 1% weight percentage ZnO nanoparticles. The magnetic stirrer ultrasonicator were used prepare samples of lubricants. Redwood viscometer is mea...
In this work, we carry out the study of hidden-charm hexaquark states with typical configurations $qqc\bar{q}\bar{q}\bar{c}$ ($q=u, d, s$). The mass spectra are obtained within chromo-magnetic interaction model. addition to analysis, further illustrate their two-body strong decay behaviors. There exist some compact bound which cannot through interaction. Hopefully our results will help search f...
This paper reports work on the two and three-dimensional numerical simulation of dough mixing with free surfaces, that arises in the food processing industry. Free surface flow in a rotating cylinder is investigated when a fluid is mixed in a cylinder with a stirrer. Different dough mixer designs are investigated. The rotating stirrer may be placed either in a concentric or eccentric arrangemen...
Environment-friendly “green” nanocomposites were fabricated from a starch-based, dispersion-type biodegradable resin and cellulose nanofibers. The mixture of the dispersion-type biodegradable resin and cellulose nanofibers were blended well by using a mixer and/or a stirrer. Composites were prepared by conventional hot pressing at a constant temperature of 140oC and at pressures from 10 to 50 M...
BACKGROUND Arterial luminal diameters are routinely used to assess for vascular disease. Although small diameters are typically considered pathological, arterial dilatation has also been associated with disease. We hypothesize that extreme arterial diameters are biomarkers of the risk of vascular events. METHODS AND RESULTS Participants in the Northern Manhattan Study who had a time-of-flight...
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