Test tube convenient for students to observe result
The utility model discloses a test tube convenient for students to observe a result. The test tube comprises a test tube body and a base, wherein a test tube sleeve cap covering the test tube body is arranged on the base; a test tube hoop is connected with the upper part of the test tube sleeve cap;...
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Main Author | |
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Format | Patent |
Language | Chinese English |
Published |
21.08.2013
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Subjects | |
Online Access | Get full text |
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Summary: | The utility model discloses a test tube convenient for students to observe a result. The test tube comprises a test tube body and a base, wherein a test tube sleeve cap covering the test tube body is arranged on the base; a test tube hoop is connected with the upper part of the test tube sleeve cap; extensible support rods are arranged on the test tube hoop and the base; a fixed frame is connected with the support rods; a magnifying lens is arranged in the fixed frame; the test tube body penetrates through the test tube hoop and is placed into the test tube sleeve cap; and the test tube body is placed fixedly and stably. When experimental demonstration is conducted through the test tube body, the students observe a biological test in the test tube body through the magnifying lens. The test tube has a simple structure, and is low in cost and narrow in occupying space; the test tube body is prevented from being touched to avoid breakage, so that the biological demonstration test is successfully conducted, and t |
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Bibliography: | Application Number: CN20132175747U |