|
US$99.00 ยท In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
JY/T 0073-2011: (Woody dicotyledon stem cross-section)
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| JY/T 0073-2011 | English | 99 |
Add to Cart
|
3 days [Need to translate]
|
(Woody dicotyledon stem cross-section)
| Valid |
JY/T 0073-2011
|
PDF similar to JY/T 0073-2011
Basic data | Standard ID | JY/T 0073-2011 (JY/T0073-2011) | | Description (Translated English) | (Woody dicotyledon stem cross-section) | | Sector / Industry | Education Industry Standard (Recommended) | | Classification of Chinese Standard | Y51 | | Word Count Estimation | 4,491 | | Date of Issue | 2013-07-11 | | Date of Implementation | 2013-07-11 | | Older Standard (superseded by this standard) | JY 73-1982 | | Issuing agency(ies) | Ministry of Education of the People's Republic of China | JY/T 0073-2011: (Woody dicotyledon stem cross-section)---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
(Woody dicotyledon stem cross-section)
ICS 03.180
Y51
Record No. 46905-2014 JY
Education Industry Standard of the People's Republic of China
Replacing JY 73-1982
Woody dicotyledon stem cross-section
Dicot woody stem cross section
2013- 07 -11 released
2013- 07-11 Implementation
Published by the Ministry of Education of the People's Republic of China
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 73-1982 "Technical Conditions for Transverse Cutting of Woody Dicotyledons". In addition to editorial changes, major technical changes such as
under.
-Eliminate the "slice thickness within 15 microns" which is difficult to inspect;
-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 73-1982 drafting unit. Wuhan Teaching Instrument Factory.
The main drafter of standard JY 73-1982. Liu Yiqin.
This standard was drafted. Teaching Instrument Research Institute of the Ministry of Education.
The main drafters of this standard. Liu Junbo, Chen Lin, Liu Yiqin.
This standard replaces JY 73-1982.
The standard JY 73 was first released in 1982.
Woody dicotyledon stem cross-section
1 Scope
This standard specifies the type designation, requirements, test methods, inspection rules, signs, instructions,
Packaging, transportation and storage.
This standard applies to cross-section slide specimens of woody dicotyledonous stems 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 Model designation
3.1 Model Nomenclature
The composition and form of the product model follow the provisions of JY 0026-1991.
3.2 Model Nomenclature
Woody dicotyledon stems are named as.
SP-MBJ-HQ-40
Product specifications are indicated by microscope magnification, 40 means 40 times magnification
The feature code and process feature are HQ, HQ means crosscutting
The pinyin prefix of the product name is MBJ. MBJ stands for "woody stem"
The classification code of the product model is SP
Model example.
SP-MBJ-HQ-40 represents a cross-section of a woody dicotyledonous plant stem that needs to be observed with a microscope more than 40 times.
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 taken from three-year-old alder branches.
4.3 The epidermis, cork layer, thick-horned tissue, cortex, phloem, formation layer, xylem, pith and pulp can be seen clearly.
4.4 The epidermis may fall off, but it should not exceed 3/4.
4.5 Three complete annual rings should be visible in the xylem.
4.6 Calcium oxalate crystals can be seen in the cells of the cortex, phloem, and myeloid.
4.7 Specimens are stained with crocus and solid green, or other multiple staining methods. Mechanical tissues, xylem ducts, and other tissue structures should be distinguished.
obvious.
4.8 The gap between cortex and phloem or phloem and xylem should not exceed 1/3.
4.9 There are no more than three minor contaminations on the specimen.
5 Test method
5.1 According to the provisions of Chapter 5 of JY/T 0067-2011.
5.2 Specimens shall be examined at a microscope magnification of 40 times.
6 Inspection rules
6.1 Implementation of the relevant provisions of Chapter 6 of JY/T 0067-2011.
6.2 In this standard 4.2, 4.3, 4.4, 4.5, 4.7, 4.8 and 4.9 are the main performance indicators.
7 Signs, instructions, packaging, transportation and storage
Should comply with the relevant provisions of Chapter 7 of JY/T 0067-2011.
Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of JY/T 0073-2011_English be delivered?Answer: Upon your order, we will start to translate JY/T 0073-2011_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time. Question 2: Can I share the purchased PDF of JY/T 0073-2011_English with my colleagues?Answer: Yes. The purchased PDF of JY/T 0073-2011_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet. Question 3: Does the price include tax/VAT?Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countriesQuestion 4: Do you accept my currency other than USD?Answer: Yes. If you need your currency to be printed on the invoice, please write an email to [email protected]. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.
|