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Article
Open AccessEffect of catheter ablation on clinical outcomes in patients with atrial fibrillation and significant functional mitral regurgitation
In patients with atrial fibrillation (AF) and functional mitral regurgitation (MR), catheter ablation reduces the severity of MR and improves cardiac remodeling. However, its effects on prognosis are uncertain.
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Article
A shrinkage prediction method of investment casting based on geometric parameters
During investment casting process, the design of die cavity is the key factor to ensure the dimension accuracy of casting. The design principle of die cavity is based on computer-aided design model of casting....
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Article
Optimization of investment casting process parameters to reduce warpage of turbine blade platform in DD6 alloy
The large war** deformation at platform of turbine blade directly affects the forming precision. In the present research, equivalent war** deformation was firstly presented to describe the extent of deform...
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Article
Research on the influence of structure parameters on the fractional shrinkage of wheel shape casting
In the investment casting process, different parts of the casting always have various macroscopic structures. Different distribution of internal stress appears in these different parts in the casting, which le...
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Article
Evaluation of cellulases produced from four fungi cultured on furfural residues and microcrystalline cellulose
Four fungal strains—Trichoderma viride, Aspergillus niger, Trichoderma koningii, and Trichoderma reesei—were selected for cellulase production using furfural residues and microcrystalline cellulose (MCC) as the s...
