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UV-visible spectrophotometry with Arsenazo III is used to determine the samarium concentration. The results confirm that the concentration of Sm3+ in the aqueous solution from 2.7 × 10–6 to 10.8 × 10–6 mol/L obeys the Lambert–Beer law. The quantitative relationship between the absorbance and concentrations of Ca2+ and F– in the solution with 2.7 × 10–6 mol/L Sm3+ has been obtained. The absorbance...
Radial Basis Function (RBF, for short) neural networks are widely applied for their strong abilities in nonlinear mapping, fast learning, good generalization performance and great accuracy in numerical approximation. In this paper, a RBF neural network combined with time series on C02 emissions is proposed by using the characteristics. It examines the rationality and flexibility of the RBF neural...
The decision models of closed loop supply chain (CLSC) that is composed of one manufacturer and one retailer with product remanufacturing under hybrid recycle strategy was built. The whole-sale price and transfer recycling price were considered as the decision-making variables of the manufacturer, and the recycling price as the decision-making variable of the party undertaking the recycling effort...
Due to the perfect management of hospital information system, the hospital staff could draw a better heal scheme for patients with the whole information when they take care of them. And hospital information in the medical environment has also played a key to the role to make patient have a convenient and efficient medical environment. These are the strong protection for the hospital flinty competition...
Transductive confidence machines (TCMs) when used in classification problems can provide us with reliability for every classification. Many machine learning algorithms, such as KNN algorithm, etc., have been incorporated with TCM, while there's no SOM classification method based on TCM. Considering properties of SOM map unit, this paper first designs a novel nonconformity measurement and TCM-SOM classification...
A nonlinear feature process algorithm called dynamic minimum subband spectral subtraction (DMSS) is described, inspired by amplitude spectra properties of noisy speech. This method does not require noise estimation and it is effective in dealing with both stationary and non-stationary noise. Its application for minimizing mismatch between clean and noisy speech features is also present. Experimental...
The reactive wetting properties of Sn0.7Cu-xZn (x=0,0.2,0.5,1.0) lead-free solder on Cu substrate were investigated by using the wetting balance test under the condition of air and N2 environment respectively. Even tiny addition of Zn could lead the surface tension of solders to increase greatly comparing to the original Sn0.7Cu solder due to the and oxidation of Zn in air, but in the N2 atmosphere,...
This paper presents a LVQ (learning vector quantization) neural network based target differentiation method for mobile robots. The typical targets can be differentiated efficiently in indoor environments with LVQ neural network by fusing the time-of-flight data and amplitude data of sonar system. The algorithm is simple and real-time and has high accuracy and robustness. The uncertainty of sonar data...
The separation and determination of Co(III), Ni(II), V(V) and Fe(III) chelates with 2-(2-benzothiazolylazo)-5-(3-sulfopropyl)aminophenol (BTASPAP) by reversed-phase ion-pair HPLC was investigated. In the presence of the oxidant potassium iodate, BTASPAP reacts with Co(III), Ni(II), V(V) and Fe(III) to form stable, negatively charged, water-soluble chelates. The chelates were separated on a C ...
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