decline phase

But in practice, the decomposition of plant residues is likely to cause the secondary pollution of water when aquatic plants enter the decline phase.

但是，在实践应用中发现，当水生植物进入衰亡期，植物残体分解释放的营养物质，易造成水体的二次污染现象。

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In decline phase, the viable cell is 8.56%.

当细胞培养到120h以后，活性开始急速下降，细胞进入衰亡期，到144h，活细胞只有8.56%。

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The growth kinetics model of Monascus were established, which divide the growth profile into three phase: accelerating phase, deceleration phase and decline phase.

将红曲霉发酵过程分为快速期，减速期和衰退期，进而建立了界面上红曲霉生长的动力学模型。

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Include in product life cycle: Introduce one , rise period, mature period, decline phase.

产品寿命周期包括: 引入期 、 增长期 、 成熟期 、 衰退期.

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The enterprise from produced has experienced the lifetime, the growth period, the mature period, the decline phase four stages to withering away, and displayed the different characteristic and faced with the different question in the life cycle different stage.

企业由产生到消亡经历了生存期、成长期、成熟期、衰亡期四个阶段，并且在生命周期不同阶段表现出不同的特征和面临不同的问题。

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Results The growth curve of Acinetobacter baumannii constitutes the lag phase, the exponential growth phase, the plateau and the decline phase.

结果鲍曼不动杆菌的生长曲线由迟缓期、指数生长期、平台期和衰退期构成。

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The survival rate of prawn in the suspension and components of Oscillatoria sp. in decline phase would reduce with the rise of temperature.

衰亡期的藻液及各组分中对虾的存活率随着温度的升高呈减小的趋势。

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Again, the evolution stages of IUR cooperative innovation is analyzed, including shaping-development-maturity-decline and renewal phase.

然后, 分析了产学研合作创新群落演化的阶段:形成阶段 — 发展阶段 — 成熟阶段 — 衰落与更新阶段.

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However, many of the traditional tourism products have been in their life cycle of mature stage. Therefore, the substitute products should be find out before the decline phase of them, so as to keep the tourism economy develop sustainable.

但目前大多数传统旅游产品相继进入生命周期中的成熟阶段，必须在其步入衰退期前寻找替代产品，以保持旅游经济的可持续发展。

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Overseas trade in ancient China began in Western Han and underwent its phases of development, prosperity and decline, and each phase was determined by the economic and political factors of the time.

中国古代的海外贸易肇始于西汉，并有其发生、发展、繁荣和衰微的过程，而每个时期又都受到当时的经济、政治等诸条件之约束。两汉是其开拓时期；

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This method guarantee equal between current decline rate of shutdown phase and current rising rate of opening phase during commutation, thus keep the current of un-commutation stable.

该方法确保在换相期间，关断相的电流下降率和开通相的电流上升率相等，继而保证在换相期间非换相相电流保持恒定。

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The world's conventional crude oil production is expected to reach its peak in the second decade ofthe coming century and enter a permanent decline phase.

常规原油的产量在上个世纪的最后二十年达到最高峰以后，预计将进入持续的下降阶段，并且这种下降是大势所趋。

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Exploitation of the tenth district, a fault-block oil reservoir with medium permeability, has developed into a rapid decline phase after 20 years of rolling exploration and exploitation.

渤南油田十区为中渗透断块油藏，经过近20年的滚动勘探开发，于2001年进入快速递减期。

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The used lanthanum-rich rare earth modified alloy can not only improve the mechanical performance and the flowability but also cause the decline of liquid phase point, alloy surface tension and linear contraction, which is helpful to casting ability.

车圈用材料富稀土变质铝合金不仅改善合金力学性能，经试验可使合金流动性增加，液相点、合金表面张力和线收缩下降，对合金铸造性大为改进。

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