JY/T 0076-2011Penicillium (cut) pieces (English PDF)

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009 "Guidelines for Standardization Work_Part 1. Structure and Preparation of Standards" this standard replaces JY 76-1982 "Technical Conditions for Penicillium Loading Tablets". In addition to editorial changes, the main technical changes are as follows.

-Add product model name;

-Cancel the classification of the original qualified products into first-class products and second-class products.

Please note that some elements of this standard may involve patents. The issuer of this standard is not responsible for identifying these patents.

This standard was proposed by the National Technical Committee for Standardization of Teaching Instruments (SAC/TC125).

This standard is under the jurisdiction of the National Technical Committee for Standardization of Teaching Instruments (SAC/TC125).

Standard JY 76-1982 drafting unit. Wuhan Teaching Instrument Factory.

The main drafter of standard JY 76-1982. Liu Yiqin.

This standard was drafted. Teaching Instrument Research Institute of the Ministry of Education.

1 Scope

This standard specifies the classification and nomenclature, requirements, test methods, inspection rules, signs, instructions, packaging, Transportation and storage.

This standard applies to penicillium (cut) slide specimens for teaching in primary and secondary schools.

2 Normative references

The following documents are essential for the application of this document. For dated references, only the dated version applies to this article Pieces. For undated references, the latest version (including all amendments) applies to this document.

JY 0026 -1991 teaching instrument and teaching equipment product model naming method JY/T 0067 -2011 General requirements for biological slide specimens

3 Classification and naming

4 Requirements

4.1 Slides and coverslips, appearance, specimen collection and processing, specimen staining, and specimen covers should comply with JY/T 0067-2011 Chapter 4.

4.2 Specimens should be collected from artificially cultivated typical Penicillium.

4.3 Depending on the culture of the strain, it can be loaded or sliced.

4.4 It should be possible to see the conidiophore and the top broom stick.

4.5 Slices should be clear of vegetative hyphae.

4.6 Under a 400x microscope, the bases, small stems and small conidia of the broom branches can be seen clearly.

4.7 The rupture of the conidial stem of the slice should not exceed 1/5 of the material.

4.8 The scattered spores should not affect the observation of characteristics.

4.9 Mycelia, spore stalks and spores should not shrink.

4.10 No bacteria, no pollution, no color of culture medium and embedding agent.

4.11 Broom sticks in at least 3 modes should be visible.

4.12 The sectioning direction should be parallel to the conidia, and the thickness should be determined according to the culture of the strain.

4.13 Dyeing methods that can clearly show the above characteristics should be selected.

5 Test method

5.1 According to the provisions of Chapter 5 of JY/T 0067-2011.

5.2 Specimens are examined at a microscope magnification of 400 times.

6 Inspection rules

6.1 Implementation of the relevant provisions of Chapter 6 of JY/T 0067-2011.

6.2 The main performance indicators in this standard are 4.6, 4.7, 4.8, 4.9 and 4.11.

7 Signs, instructions, packaging, transportation and storage

Should comply with the relevant provisions of Chapter 7 of JY/T 0067-2011.