营养动力学

By considering the trait of the artery and anabranch of the Three-Gorges reservoir and analyzing the environmental elements influencing the growth of the algae, we improved on thenutrition dynamic model of the algae"s growth, carried on computer numerical value simulating on the evolvement process of the eutrophication of the Wujiang River, the Hanjiang River and the Three Gorges reservoir by cell mapping algorithm and revealed the dynamics action and mutation forms in the process of the valleys" algae blooms and the relationship between the major elements influencing the algaes growth and the model surge function.

本文结合三峡水库干、支流水体环境特点，通过对影响流域水体藻类生长的环境因素进行分析，改进藻类生长营养动力学模型，并利用胞映射算法对乌江、汉江和库区流域富营养化演化性态进行了计算机数值模拟和仿真分析，揭示流域水华发生过程的动力学行为、混沌性态和流域水质中主要藻类生长控制因子与模型振荡函数间的关系。

It"s considered that the algae blooms control function in the algae"s growth dynamics model is influenced mostly by the water temperature, sun illumination, water flow speed and the concentration of the nutriment in water. A function including the four elements was built. By using cell mapping algorithm and contacting with the practical water condition of the Wujiang river and the Hanjiang river we analyzed and computed the algae blooms in the two areas and found the result was very near to the practical result. And we found that the ascend of water temperature and the descend of the water flow speed will contribute to the growth of algae and the nutriment is the substance basis of the algae blooms but not the only element. It must be under the condition of condign water temperature, enough sun illumination, slow water flow and abundant nutriment that algae blooms may break out unexpectedly.

本文认为藻类生长营养动力学模型中的水华爆发控制函数主要受水温、光照强度、水流速和营养盐浓度的影响，构建了包含水温、光照强度、水流速和营养盐浓度的水华爆发控制函数，通过对乌江、汉江的水华爆发进行胞映射分析，得到的计算结果与实际监测非常吻合，并认为水温升高和水流速下降将有利于藻类生长，营养盐是水华爆发的物质基础，但不是唯一因素，必须在适宜的水温、光照、缓慢的水流和充足的营养盐条件下，藻类才可能出现突发式的"疯长"，即水华爆发。

We also investigate the effects of phosphorus input conditions, corresponding to oligotrophic, mesotrophic and eutrophic systems on system dynamics.

我们还探讨磷输入条件下，相应的贫营养，中营养和富营养化系统系统动力学。

In this paper, with continuous cultivation simulating fermentations in different nutritional conditions, continuous cultivation of Alcaligenes faecalis with glucose and ammonium chloride as a sole limited substrate were carried out respectively, and kinetics and characteristics of continuous cultivation were investigated.

以葡萄糖、氯化铵分别为限制性底物，对粪产碱杆菌进行了连续培养，模拟了粪产碱杆菌在不同的营养条件下的发酵情况，并对连续培养特性和动力学性质进行了分析。

Consequently, the enzymatic hydrolyzable P may contribute to the internal loading of the eutrophic lake, and stratification of kinetics and compositions of phosphatase in shallow lake is theoretically noticeable.

因此，富营养湖泊沉积物中磷的&内负荷&应有可酶解有机磷的含义，浅水湖泊中磷酸酶的活性组成和动力学参数的分层现象当为湖沼学研究中值得深入探讨的新理论问题。

Phytic acid was beneficial to the absorption of carbon, nitrogen and phosphorus source.

动力学分析表明，添加2.5g/L的植酸还有利于碳、氮、磷等营养物质的吸收。

When these parameters surpass a certain value, the system cannot appear the limitcycle. Through the various parameters\' changing, it demonstrates the forming process of the dissipative structure. Thus it show the dissipative structure\'s characteristic of the trophodynamics predation model and point out the ecological significance of the various parameters in the model.On the fourth chapter, the spruce aphides and its predator model is a predator model.

第四章，以两个捕食者作用于同一食饵的竞争关系模型为例，应用微分方程定性理论，对捕食模型中存在极限环的情况进行了讨论，用MATLAB在相平面上模拟出系统的极限环，此时该体系状态的发展呈现周期振荡趋势，从而揭示出营养动力学为基础的捕食模型耗散结构特征。

In Section2.2, dynamic behaviors of Monod type chemostat model with impulsive input on the nutrientconcentration.

第二节研究脉冲输入营养基的Monod型Chemostat模型的动力学行为。

Primary inoculums size was 70g fresh weight/l, 15 days for one subculture. By analyzing the nutrition consume in suspension cell culture, it was found that sugar was not the only inhibitory substrates.

对培养过程中营养成分消耗动力学分析，糖类并不是颗粒聚集体细胞生长的唯一限制性底物；聚集体对两种氮源的利用几乎同步；悬浮培养中维持相对恒定的、较高的C/N比。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。