For the purpose of providing some reference to the researchers, studies of microchemical structure of cephalopod statoliths were reviewed.

隨著魚類耳石微化學(xué)研究及應(yīng)用的日趨成熟與完善，頭足類耳石的相應(yīng)研究也逐漸興起欧美性爱性爱。

Based on the domestic and foreign researches on information analysis of statoliths in Cephalopods during recent years, the paper summarized the current status of daily growth increment and microchemistry of statoliths in Cephalopods; and generalized its application in fishery resource and environmental science. In the meanwhile, the paper made the prospects on direction and content of the future research.

文章依據(jù)近年來國內(nèi)外有關(guān)頭足類耳石信息分析的研究成果，綜述了頭足類耳石日輪及微量化學(xué)的研究現(xiàn)狀A级毛片免费久久下载，概括了耳石信息分析在漁業(yè)資源及環(huán)境科學(xué)等方面的應(yīng)用九九色这里只有精品，并對(duì)今后的研究工作提出了方向與內(nèi)容上的展望黑人又粗又大又猛又爽视频网。

Statoliths are paired calcified structures within the statocyst providing a sense of balance, and they are also an acceleration receptor showing much information about biology and ecology over the life span.

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From April to September, several clusters of bamboos, 3 ~ 4 m long, 1 ~ 2 m wide, were set on the sea bed at a depth of 16 to 20 m to attract their spawning, and the egg-strings were then transported to the laboratory. When the development of the embryo reached stage 24, iris of eyes being prominent as a colour circle and statolith being formed, they were transferred into different rearing conditions, i.e., 20, 25, 30, 35 o/oo and 15, 20, 25, 30 oC. The durations from stage 24 to hatching were different among all different rearing conditions. The statoliths were extracted and mounted in Crystal Bond thermoplastic cement for reading their growth rings.

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Increments structure and chemical composition of the statoliths are quite stable and record information about biological, physical and chemical environmental characteristics of different stages of life history.

耳石的輪紋結(jié)構(gòu)與化學(xué)組成相當(dāng)穩(wěn)定，記錄了個(gè)體生活過程中豐富的生物-物理-化學(xué)環(huán)境信息综合国产一区，是一種很好的信息載體国产三级官网。