A method to obtain incidence angle modifier of evacuated tube collector

The effect is easily demonstrated using wood's technique which incorporates an evacuated glass bulb containing a bit of pure metallic sodium.

应用伍德的方法用一个抽空的盛着一点纯金属钠的玻璃泡，很容易演示这个效应。

The manner in which grains in metals disappear is basically the same as that of soap bubbles in a semi-evacuated container.

晶粒消失的过程与在半抽真空的容器中，肥皂泡消失的过程基本上相似。

Everyone she knows in the city has either been evacuated or is housing refugees.

她认识在这座城市里的每个人，无论是被疏散的热播或者是没有住房的难民。

Eutrophication and Control Approaches Effect of hydrodynamics on the eutrophication

水质富营养化及其控制水动力条件对富营养化影响规律探讨

Ecological and physiochemical effect of aquatic plants in eutrophication water

富营养化水体中水生植物的生态和生理生化效应

The algae-bacterium biofilm technology with strip aquatic mats has the most marked effect of improving the eutrophication water body with low cost and is worth being popularized.

条形水草的藻-菌生物膜技术对富营养水质改善效果最明显，且成本低廉，值得推广。

Based in the laboratory building the small aquatic ecosystem, purification effect of the eutrophication water by aquatic plants is researched.

该文通过在实验室构建小型的水生生态系统，采用水培方法，研究水生植物对富营养化水质的净化效应。

Lake and reservoir have the same eutrophication mechanism, so it is feasible to research the two water areas together.

湖泊水库的富营养化发生机理相同，一起研究的可能性较大。

Research Progress of Eutrophication Mechanism and Breakout of Water Bloom

富营养化发生机理及水华暴发研究进展

As the increasing understanding of eutrophication mechanism and the development of computer technology, more and more eutrophication studies focus on the mathematic modeling of eutrophication.

随着对富营养化机理的深入研究和计算机技术的发展，富营养化行为的数值模拟有了长足进步，本文对富营养化模型的研究进展做了综合评述。

Industrial aquaculture especially in special animal breeding has a problem of how to dispose the high concentrated organic and eutrophic wastewater, which has restricted the further development of the aquaculture industry.

工厂化水产养殖尤其是特种水产养殖带来的高浓度有机富营养废水处理问题一直制约着工厂化水产养殖业的进一步发展。

Study on biological pretreatment of eutrophic lake water

富营养化湖泊水生物预处理研究

Effects of internal pollution sources on the eutrophic lake and countermeasures

内源污染对湖泊富营养化的作用及对策

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

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。

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。

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。

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。

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。

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