类黄酮

Lutein and zeaxanthin are both dihydroxy-carotenoids with the ionone ring systems distributed widely in nature.

叶黄素和玉米黄质是含紫罗酮环的二羟基类胡萝卜素，在自然界广泛存在。

The productivity of Eustigmatophytes and coccolithophorid calculated by the concentrations of 〓 diol and long-chain ketones, respectively, indicate that the paleoceanographic environment and paleoclimate were unstable in Nansha area during the last glacial. The productivity of the two algae fluctuated greatly and was higher during the glacial than that in Holocene.

由〓烷基二醇和长链不饱和酮含量分别计算出的黄绿藻、颗石藻古生产力揭示出南沙海区末次冰期的古海洋环境及古气候是不稳定的，两类浮游藻类的生产力在冰期都出现了较大的波动：黄绿藻、颗石藻的生产力在末次冰期都比全新世高，特别是在H3时都出现了生产力增大的事件。

Objective: In order to provide sensitive and reliable technique for the study of the relationship between enviromental estrogens and diseases, analytical methods for three kinds of representative environmental estrogens such as mycotoxins (zearalenone and its metabolites, aflatoxin B_1 and ochratoxin A), persistent pesticide pollutants (hexachlorocyclohexane and dichlorodiphenyltrichloroethane) and industrial chemicals (bisphenol A and 4-nonylphenol) with chromatography were to develop.

目的：选择三种有代表性的环境雌激素：真菌类毒素(玉米赤霉烯酮及其代谢物及赭曲霉毒素A、黄曲霉毒素B_1)、农药类持久性污染物(666、DDT)和化工原料类雌激素为对象，分别研究它们的检测方法，为监控环境激素和研究它们与疾病之间关系提供灵敏、可靠的分析方法和实验依据。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。