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Method for grinding and preserving cephalopod otolith slices

A grinding method and technology of cephalopods, which are applied in the field of grinding and preservation of cephalopod otolith slices, and can solve problems such as ring pattern fading

Active Publication Date: 2011-09-07
SHANGHAI OCEAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At the same time, it was observed that the long-term exposure of the polished otoliths to the air will make the wheel patterns fade away.

Method used

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  • Method for grinding and preserving cephalopod otolith slices
  • Method for grinding and preserving cephalopod otolith slices
  • Method for grinding and preserving cephalopod otolith slices

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Embodiment Construction

[0023] In order to enable those skilled in the art to understand other technical solutions of the present invention, this specific embodiment will further illustrate the present invention with regard to various technical solutions involved in the present invention, taking the squid squid as an example.

[0024] A method for preparing and preserving otolith slices of stem squid, specifically comprising the following steps:

[0025] 1. Extraction: Use bamboo tweezers to take out the otoliths in the balance sac of the squid squid, and be careful to handle them gently so as not to damage the otoliths;

[0026] 2. Soaking: After taking out the otoliths of the squid, put them in a centrifuge tube, add alcohol with a concentration of 70% by weight and soak for more than 1 week;

[0027] 3. Placement: Place the side area 2 of the stem soft fish otolith close to the edge of the embedding tank 6, place it horizontally, and grind the longitudinal section of the otolith, that is, from the...

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Abstract

The invention relates to a method for grinding and protecting cephalopod otolith. The method comprises the steps of extraction, soaking, placing, resin embedding, cutting, fixing on a glass slide, abrading, polishing, preservation and the like. The method can solve the problems that the cephalopod otolith is small and not easily ground, the otolith is easily broken in the grinding process and thetextures are easy to fade after polishing; and the otolith textures can be kept for long time.

Description

technical field [0001] The invention belongs to the field of aquatic science, and mainly relates to a method for grinding and preserving cephalopod otolith slices. Background technique [0002] Cephalopods are an important group of molluscs, which not only have high economic value, but also occupy an important position in marine ecology. Cephalopod otoliths, like fish, are good information carriers, and they have two basic conditions. One is that the information input is stable; the other is that the input information can be well stored. [0003] Otolith deposition is irreversible, and its growth occurs throughout the entire life process, and reabsorption of otoliths occurs only in extreme hypoxia. Otoliths are a pair of hard tissues located in the balance sac and play a balancing role. They are cephalopod acceleration sensors and contain a lot of biological and ecological information. They are vividly called life recorders. It can reveal hatching body length of cephalopo...

Claims

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Application Information

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IPC IPC(8): B24B37/00B24B29/00
Inventor 李建华刘必林陈新军方舟张琨陆化杰
Owner SHANGHAI OCEAN UNIV
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