Zirconia electrodes with dendritic patterns were fabricated by stereolithographic additive manufacturing (STL-AM). A solid electrolyte of yttria-stabilized zirconia (YSZ) was selected for oxygen separation in the molten salt electrolysis aluminum smelting without carbon dioxide excretion. Thereafter, 4, 6, 8 and 12-coordinated structures composed cylindrical lattices designed as computer graphi...

Abstract The Investment Casting (IC) process is a type of casting that can produce the suitable shape and size components by minimizing porosity defects. However, research on ICs for manufacture artificial hip joints made from Ti6Al4V still lacking. Therefore, purpose this study to determine mechanical properties an joint casted using investment method. stages used in are wax injection, ejectio...

In this work, chemically treated microcrystalline cellulose (MCC-C) was extracted from coconut husk fiber. order to extract hemicellulose, the sieved fiber with sodium hydroxide (NaOH) for dewaxing and acidified using chlorite (NaClO2) residual lignin (bleaching process). The obtained lignin-free then potassium (KOH). characterizations used equate MCC-C commercial grade (MCC) are solubility tes...

Hydroprocessing has become the main technology for the production of API Group II and III base oils. One of the key properties is viscosity index for Group II and III base oils. The effect of wax content in hydrocracker unconverted oil on viscosity index and yield was studied in a 400 kton/year hydroisomerization dewaxing plant at a total pressure of 15 MPa, a feed rate of 38 ton/hour, and a ga...

The basic unit operations in vegetable oil processing are shown in Figure 4. Oil is extracted from plant material (oilseeds) using a solvent, usually hexane. Published research indicates that about 50}70% of the hexane can be recovered and recycled using nanoRltration membranes instead of the evaporators used today, thus reducing energy consumption substantially. The extracted crude oil is most...

The search for a sensitive histochemical method for revealing tissue copper has been the object of many workers in the past. In spite of multiple methods available, the occurrence in clinical practice of negative histochemical stains, even in cases with high copper levels demonstrated by quantitative methods is very high.This study was aimed at verifying the role of technical variations in the ...