They examined a half-million data points collected using a tool called a Secchi disk, as well as measurements of chlorophyll-a pigment produced by the plankton.

他们检查了50万个由一种被称为塞齐盘的工具所采集的数据点，并且测量了由浮游植物所产生的色素——叶绿素。

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Distribution features of surface chlorophyll a were discussed according to the underway measurements of chlorophyll a conducted in the Taiwan Strait in August, 1998.

根据1998年8月台湾海峡表层温度、盐度、叶绿素a的走航式观测结果，讨论了调查期间叶绿素a的分布特征。

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It is well known that the chlorophyll a is a primary pigment involved in the photosynthesis process of plants.

众所周知，叶绿素a是植物的最重要的光合作用色素。

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Researchers have spoken in the past of trying to detect a marker for chlorophyll, the pigment in plants that plays a critical role in photosynthesis.

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He traveled through and measured over 1200 miles of a chlorophyll bloom along the Equatorial Pacific.

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The process of disassembly liberates chlorophyll from a molecular production-line called the electron-transfer system.

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