Fish roe quantitative sampler

A technology of sampler and fish eggs, applied in the field of counting instruments, can solve problems such as time-consuming and labor-intensive

Pending Publication Date: 2019-11-05
SECOND INST OF OCEANOGRAPHY MNR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The object of the present invention is to provide a fish roe quantitative sampling device to alleviate the time-consuming and labor-intensive technical problems of the current fish roe quantitative sampling process

Method used

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Embodiment Construction

[0029] The technical solutions of the present invention will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are part of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0030] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, or in a spe...

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Abstract

The invention provides a fish roe quantitative sampler, relates to the technical field of a counting instrument, which alleviate the technical problem of time and labor consumption of the current fishroe quantitative loading process. The fish roe quantitative sampler comprises a counting plate, a bottom plate and a handle assembly; the counting plate is provided with a plurality of receiving holes, each receiving hole can only accommodate one fish roe, and the bottom plate is located below the counting plate; the handle assembly is coupled to the counting plate, and one end of the handle assembly is coupled to the bottom plate through the counting plate to drive the bottom plate toward or away from the bottom plate of the counting plate. The fish roe quantitative sampler saves time and manpower and efficiently performs quantitative loading of fish roe.

Description

technical field [0001] The invention relates to the technical field of counting instruments, in particular to a fish roe quantitative sampler. Background technique [0002] The early stages of fish life history are extremely sensitive to environmental pollution. When the concentration of pollutants is not enough to cause obvious damage to adult fish, it often causes damage to embryos and larvae. Scholars at home and abroad have successively established embryonic and larval toxicological experimental techniques using zebrafish, medaka, medaka, rainbow trout and other fish as model species to evaluate water pollution. Compared with the traditional adult fish chronic toxicology experiment, the larval toxicology experiment technique has the advantages of high speed, high sensitivity and low cost. The Organization for Economic Cooperation and Development in Europe and the U.S. Environmental Protection Agency have also formulated standards for fish embryo-larvae toxicity experime...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12M1/34C12M1/26
CPCC12M33/02C12M41/36
Inventor 黄伟徐晓群徐旭丹曾江宁武芳竹于翔
Owner SECOND INST OF OCEANOGRAPHY MNR
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