![Loading...](https://link.springer.com/static/c4a417b97a76cc2980e3c25e2271af3129e08bbe/images/pdf-preview/spacer.gif)
-
Article
Response surface optimization of active peptides of Rana spinosa (Quasipaa spinosa) meat process and evaluation of immunomodulatory activity
Rana spinosa is a high-quality source of animal protein, which is a traditional Chinese ingredient with edible and medicinal properties. However, with the expanding scale of Rana spinosa farming in China, little ...
-
Article
Investigation on Kinetics and Mechanism of Energy Dissipation by Ultrasound-Assisted Leaching of Low-Nickel Matte
The effects of ultrasonic power, leaching time, reaction temperature, solution concentration and particle size in leaching process were investigated by univariate method, and the optimal leaching conditions we...
-
Article
Unraveling the Chloride Penetration Dissolution Mechanism of High-Grade Nickel Matte During Anodic Oxidation
The beneficial effect of chloride on the leaching of nickel matte by sulfuric acid has been found in hydrometallurgy, but its mechanism has not been properly revealed. This investigation focuses on the analysi...
-
Article
Research on ball bearing model based on local defects
This paper presents a nonlinear dynamic analysis model of ball bearing with local defects, and the mechanism of vibration caused by defects on the outer race, inner race and ball of the bearing is analyzed. Th...
-
Article
Open AccessHigh lake levels on Alxa Plateau during the Late Quaternary
Field investigations including lake shoreline measurement and 14C chronology have been carried out on the Alxa Plateau to better understand the formation and evolution of the high lake levels in northwest China d...
-
Article
Deep structure at northern margin of Tarim Basin
In this paper, a 2D velocity structure of the crust and the upper mantle of the northern margin of the Tarim Basin (TB) has been obtained by ray tracing and theoretical seismogram calculation under the conditi...
-
Article
Mechanical analysis of functionally graded plates based on the input data of metallographic diagrams
A microelement method for scale-span analysis of material microstructure and member macro response has been proposed. Instead of material parameter input for traditional mechanical analysis, the method is base...
-
Article
The age of formation of the mirabilite and sand wedges in the Hexi Corridor and their paleoclimatic interpretation
Sand wedges in the Hexi Corridor mainly formed in an alluvial gravel stratum of the late Pleistocene and the radiocarbon ages of the eolian sand infilling wedge prove that they were a product of the last ice a...
-
Article
Construction and characterization of partiallyntrC-deleted mutants inAlcaligenes faecalis
To study the effect ofntrC gene product on the expression and regulation of other important nitrogen-fixing genes inAlcaligenes faecalis, partiallyntrC-deleted mutants ofA. faecalis have been generated. To start ...