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This paper introduces mainly the structures and the functions of the instrument for analyzing rapidly soil composition based on spectral measuring techniques. This measuring system can be used to measure soil spectral properties with a response range from 400 to 2900nm. The main technical problems emphasized on measuring accuracy and stability of system were solved. On the basis of these, we studies...
According to the requirement of the measuring impedance changes of biosensor caused by the specific binding of antibody and antigen, we designed an impedance measurement system for the biosensor which is able to work well within the range of frequency between 20Hz–100MHz. Besides of this, fast measurement, high accuracy, small size, and simple calibration are also needed. In this paper, the principle...
Electric responses of impedance immunobiosensor for E. coli O157 : H7 at multi-frequencies were explored by complex Td factor correction method. The Corrected data were fitted using least-square method to get the Cole-Cole parameters, and then the relationship between the concentration of bacteria and these parameters was researched. The results showed that the complex Td correction could rectify...
Straw gasifier is the new product appearing under the state that our country is advocating energy-saving and emission reduction, reasonable utilization of biological energy. This paper summarizes the development status of the gasifier at home and abroad, analyzes the existing problems of straw gasifier, points out the development trend of straw gasifier combining with concrete examples. It is of very...
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