Summary:
Key words: near infrared; feed detection
1 Theoretical basis and measurement advantages of near-infrared spectroscopy
2 Progress of near-infrared spectroscopy
2.1 Types and characteristics of near-infrared spectrometers
Filter type
Grating type
Fourier transform
Acousto-optic tunable filter
Fiber optic technology
2.2 Mathematical pretreatment techniques of spectra and their effects
Smoothing, Offset Correction, Detrend, MSC, SNV, derivative processing
2.3 Development of calibration technology
Calibration techniques such as MLR, PCR, PCA, ANN, LOCAL, etc.
2.4 Technical issues of near-infrared calibration model transmission
2.5 Factors affecting the accuracy of NIR prediction results
Calibration sample quantity, distribution and source
Calibration sample size, moisture, color
Test temperature, sampling uniformity
Chemical determination accuracy
Instrument stability factor
3 Evaluation index of near-infrared detection technology
4 Application of near infrared technology in feed detection
4.1 Determination of conventional nutrients
Moisture, crude protein, crude fat, minerals, fiber components
4.2 Determination of amino acids
Determination of amino acids and digestible amino acids in feeds and problems
4.3 Determination of energy
Including total energy, digestive energy, metabolic energy measurement and problems
4.4 Determination of special nutrients
VE
Phytase
fatty acid
Soy isoflavone
4.5 Feed safety applications
Anti-nutritional factors: gossypol, glucoside, phytic acid, glycinin and β-conglycinin, aflatoxin B1
Qualitative and quantitative detection of bovine and sheep source components
Qualitative and quantitative detection of fake products
5 Near Infrared Technology Issues and Prospects
Iso9001 Aluminum Sheet 6061 T651,6061 T651 Aluminum Sheet Price,Cold Rolled Aluminum Sheet
Jinfa Copper And Aluminum Company Limited , http://www.gdaluminumcoil.com