Effects of internal pollution sources on the eutrophic lake and countermeasures

1、

Constructed Wetland at High Hydraulic Loading for Eutrophic Lake Water Treatment

高水力负荷人工湿地处理富营养化湖水

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2、

The sag was a eutrophic lake during the deposition of the upper interval of the third member of Shahejie Formation, which also had certain capacity of oil generation.

沙河街组三段上亚段沉积时期为富营养湖，也具有一定的生油能力。

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3、

The Luoma Lake, which is in mesotrophic or eutrophic state, is a shallow water lake of water carrying type.

骆马湖为浅水湖泊，具有典型的过水性特征，已经处于中富营养化阶段。

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4、

Ammonia nitrogen is one of the main contamination has seriously jeopardized the water environment, that cause eutrophic state& red tide phenomenon.

水体中富营养化引发赤潮现象频繁发生，已严重危害了水环境，其中主要元凶之一是氨氮废水大量排放，使原本恶化的水质雪上加霜。

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5、

Lake Nanhu is in serious eutrophic state, and needs to take measures to prevent the water quality from worsening further.

长春市南湖水体呈现较为严重的富营养化状态，需要采取措施防止南湖水质进一步恶化。

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6、

The eutrophic state and water quality of 12 drinking water resources were evaluated by using the comprehensive nutritive index.

利用综合营养指数评价方法对重庆市城区12个饮用水源地进行了水质调查和富营养化评价。

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7、

An universal index formula of eutrophic state evaluation of lakes and its effect verification

湖泊营养状态评价的普适指数公式及效果检验

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8、

An index formula on eutrophic state evaluation of lakes based on particle swarm optimization

基于粒子群算法的湖泊营养状态指数公式

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9、

It proposes trophic value as a quantitative index of eutrophic state of water body.

提出了用营养值来定量描述水体的富营养状态；

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10、

Calculation of the driving force for nucleaction ( growth) gives an evidencs that the leading phase of the eutectoid reaction in hypoeutectoid steels is ferrite while that in hypereutectoid steels is cementite.

由形核（长大）驱动力的计算证明，亚共析钢共析反应的领先相为铁素体，而过共析钢的领先相为渗碳体。

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11、

When cooling, peritectic reaction between α-Mg and Zr happened in the Zn-rich area in the grains, while eutectic reaction and eutectoid reaction happened in grain boundaries.

冷却时，α-Mg与Zr在晶内富Zn处发生包晶反应，晶界处发生共晶反应和共析反应。

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12、

The scientific theory and method are applied to study the pearlitic eutectoid decomposition mechanism in steels and the concept of existence of so-called prevenient phase was negated.

应用系统科学的理论和方法，研究了钢中珠光体共析分解机制，否定了领先相的存在。

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13、

The dynamically mechanical properties of Zn 22% al alloys in eutectoid decomposition

Zn－22%Al合金共析转变的动态力学性质研究

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14、

The eutectoid decomposition is a self organization process, which is characterized by the integrated mechanism that ferrite and cementite acted as prevenient phase alternatively.

共析分解是个自组织过程，具有铁素体和渗碳体互为领先相的整合机制。

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15、

Above this point the hardness can be increased only slightly, because steels above the eutectoid point are made up entirely of pearlite and cementite in the annealed state.

高于此点，由于超过共析点钢完全由珠光体和退火状态的渗碳体组成，硬度增加并不多。

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16、

Besides, alloy steels containing elements which move eutectoid point to the left in Fe-C equilibrium diagram are also suitable for magnetic field quenching.

对于合金钢，凡是含有能使Fe-C状态图共析点左移的合金元素的钢均适用磁场淬火工艺。

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17、

Effect of high magnetic field on eutectoid point in Fe-0.76% C alloy

强磁场对Fe-0.76%C合金共析点的影响

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18、

Both the austenite-graphite eutectic reaction temperature and eutectoid reaction temperature are higher than those of austenite-cementite.

奥氏体-石墨共晶和共析反应温度也都高于奥氏体-渗碳体的共晶和共析反应温度。

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19、

However, the optimum second holding temperature in 2-step normalizing must be selected within the eutectoid temperature range.

但是，两阶段正火中，第二阶段的保温温度必须选择在共析转变温度范围内。

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20、

The results show that the catalytic cementation nitrocarburizing below the eutectoid temperature has a rapid penetrating rate and high hardness for the diffusion layer.

结果表明，在共析温度以下进行催渗氮碳共渗，具有渗速快、渗层硬度高的特点；

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