نتایج جستجو برای: fine grinding
تعداد نتایج: 117099 فیلتر نتایج به سال:
The automotive industry is undergoing a major transformation driven by regulations and fast-paced electrification. A critical analysis of technological trends associated requirements for powertrain components carried out in close collaboration with – covering the perspectives OEMs, suppliers, machine builders. main focus to review state art regard grinding, dressing, texturing fine-finishing te...
For poorly soluble drugs, the digestive absorption depends on their rate of dissolution. Decreasing the particle size of these drugs improves their rate of dissolution. Fine grinding mills are use to micronize powders: either jar mills or fluid energy mills. Theses processes were applied to griseofulvin, progesterone, spironolactone and diosmin. For each drug, micronization improved their diges...
We present time-lapsed microscopy and EXAFS/XANES data on size selected ground ZnS:Cu,Cl and ZnS:Cu,Mn,Cl phosphors to probe long standing problems in using these phosphors in high brightness applications. The time-lapsed study shows that many of the individual emission centers on each particle degrade via large step decreases while < 50% have a monotonic decrease. These large steps suggest a b...
Coffee is prepared by the extraction of a complex array of organic molecules from the roasted bean, which has been ground into fine particulates. The extraction depends on temperature, water chemistry and also the accessible surface area of the coffee. Here we investigate whether variations in the production processes of single origin coffee beans affects the particle size distribution upon gri...
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