Effect of stocking density on pig production

Cho, Jin Ho; Kim, In Ho

doi:10.5897/ajb11.1691

Cited by 29 publications

(2 citation statements)

References 38 publications

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“…Whereafter, the solution was pumped into the PEF system at a flow velocity (v) of 25 ml/min [22]. The high-voltage pulse was turned on, and then the pulse frequency and charge voltage were adjusted to the desired levels.…”

Section: Treatment By Pefmentioning

confidence: 99%

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Effect of pulsed electric fields on the activity of neutral trehalase from beer yeast and RSM analysis

Yan

Lin

et al. 2012

International Journal of Biological Macromolecules

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Section: Treatment By Pefmentioning

confidence: 99%

“…The PEF system is home-made by professor Yongguang Ying in Jilin university and described in previous study [21][22][23].…”

Section: Instruments and Equipmentsmentioning

confidence: 99%

Effect of pulsed electric fields on the activity of neutral trehalase from beer yeast and RSM analysis

Yan

Lin

et al. 2012

International Journal of Biological Macromolecules

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Multistage dynamic optimization of a copolymerization reactor using differential evolution

Anand

Venkateswarlu²,

Rao

2013

Asia-Pacific J Chem Eng

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A multistage dynamic optimization methodology with sequential implementation procedure is proposed, and the evolutionary optimizing features of differential evolution (DE) are exploited to implement the methodology for optimal control of a semi-batch copolymerization reactor. DE is designed and implemented to determine the optimal control policies for monomer addition rate and reactor temperature to produce a polymer with the desired copolymer composition and molecular weight distribution. Further, a similar multistage dynamic optimization strategy based on iterative dynamic programming is used for optimal control of copolymerization reactor and to compare with DE. The results show the effectiveness of the DE-based multistage dynamic optimization strategy in determining the optimal control policies that yield the desired polymer product characteristics. Figure 6. Process responses for monomer feed policy. P. ANAND, CH. VENKATESWARLU AND M. BHAGVANTH RAO Asia-Pacific Journal of Chemical Engineering 694

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Improving the production of human‐like collagen by pulse‐feeding glucose during the fed‐batch culture of recombinant Escherichia coli

Luo

Fan

et al. 2012

Biotech and App Biochem

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To increase the target protein production and reduce acetic acid accumulation during fed-batch cultivation of recombinant Escherichia coli BL21 in a 30-L bioreactor, 12 different models of pulse feeding were performed to evaluate the effect of pulse feeding at different cultivation phases and pulse frequency on cell growth, acetic acid accumulation, and human-like collagen (HLC) synthesis. The results showed that the acetate concentration was kept at a low level (below 0.5 g/L) in all cases when pulse feeding was introduced before induction, whereas the pulse frequency affected cytoactivity significantly through cell growth rate, oxygen uptake rate, carbon dioxide evolution rate, and the synthesis of the target protein. The final biomass and HLC reached 75.46 and 7.26 g/L, respectively, in the model of 8-Sec feedings per 188 Sec. After induction, the pulse frequency had a great effect on HLC synthesis after high-temperature induction; low frequency was adverse to microorganisms. The model of 3-Sec feeding per 27 Sec was best and resulted in the highest biomass and HLC production. Compared to the pseudo-exponential feeding, pulse feeding reduced acetic acid accumulation effectively.

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Effect of stocking density on pig production

Cited by 29 publications

References 38 publications

Effect of pulsed electric fields on the activity of neutral trehalase from beer yeast and RSM analysis

Effect of pulsed electric fields on the activity of neutral trehalase from beer yeast and RSM analysis

Multistage dynamic optimization of a copolymerization reactor using differential evolution

Improving the production of human‐like collagen by pulse‐feeding glucose during the fed‐batch culture of recombinant Escherichia coli

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