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- Author or Editor: Z. Honglin x

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## Abstract

The power-time curves of two species of bacteria, *Vibro metschnikovii, Vibro bollisae* were determined calorimetrically by using a 2277 bioactivity monitor. The power-time curve equation of bacterial growth in the log phase can be expressed as

*f*

_{i}=b

_{1}

*f*

_{i+1}+b

_{2}

*f*

_{i+2}, was obtained through the perfect non-linear function

_{i}/

_{i+1}=

*b*

_{1}+

*b*

_{2}

_{i+2}/

_{i+1}, was obtained by using the self-function recursion equation. The rate constants of bacterial growth

*k*

_{1}, the time constant of the calorimeter

*k*, the generation times

*G*, and the pre-exponential factors

*A*were obtained from the power—time curve equations.Power—time curve equations of bacterial growth in the log phase are expressed for

*V.metschnikovii*as =1.05(e

^{0.0228t}–e

^{–0.0175t}), and for

*V. bollisae*as =1.58(e

^{0.0278t}–e

^{–0.0170t}).

# Establishment of experimental model of bacterial growth under inhibitory conditions

## Study of optimum growth temperature

## Abstract

The thermal curves of*B. subtilis* and*P. atruginosa* were determined by using a 2277 Thermal Activity Monitor (Sweden). Under inhibitory conditions, an experimental model of
bacterial growth was established. The growth rate constant (μ), deceleration rate constant (β) and optimum temperature (*T*) of bacterial growth were calculated.

## Abstract

*N*,

*N*-dimethyl acetamide (DMA) in the presence of various long-chain alcohols (1-heptanol, 1-octanol, 1-nonanol and 1-decanol) were measured by titration microcalorimetry at 298 K. The critical micelle concentrations (CMCs) of SLA and SDS under various conditions at 298 K were obtained based on the power–time curves. Thermodynamic parameters (

## Abstract

The power–time curves of a biological oscillation system were determined for different temperatures, acidities and carbon
sources, by using a 2277 thermal activity monitor. The apparent activation energy and order of the oscillation reaction were
calculated from the induction period (*t*
_{in}) and the first oscillation period (*t*
_{p}). The regularity of the biological oscillation system is discussed.

## Abstract

The power–time curves of the oscillating extraction system were determined at different temperatures for the extraction of
hydrochloric acid and acetic acid with primary amine N_{1923} (R–CH(NH_{2})–R^{1}), *R*, *R*
^{1} represent alkyl of C_{9–11} in chloroform using the titration microcalorimetric method. The apparent activation energy was calculated from the induction
period (*t*
_{in}), the first oscillation period (*t*
^{p.1}) and the second oscillation period (*t*
_{p.2}).