JY/T 0193-2011 English PDFUS$149.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. JY/T 0193-2011: (Dicotyledon stem model) Status: Valid
Basic dataStandard ID: JY/T 0193-2011 (JY/T0193-2011)Description (Translated English): (Dicotyledon stem model) Sector / Industry: Education Industry Standard (Recommended) Classification of Chinese Standard: Y51 Word Count Estimation: 6,679 Date of Issue: 2013-07-11 Date of Implementation: 2013-07-11 Older Standard (superseded by this standard): JY 193-1985 Issuing agency(ies): Ministry of Education of the People's Republic of China JY/T 0193-2011: (Dicotyledon stem model)---This is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.(Dicotyledon stem model) ICS 03.180 Y51 Filing No. 46922-2014 JY Education Industry Standard of the People's Republic of China Replacing JY 193-1985 Dicotyledon stem model Caudex of twin cotyledon herbage vegetable model 2013-07-11 released 2013- 07-11 Implementation Published by the Ministry of Education of the People's Republic of China ForewordThis 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 193-1985 "Technical Specifications for Stem Models of Dicotyledons". In addition to editorial changes, major technical changes such as under. -Appearance size has increased allowable tolerances; -Added the requirement that the main parts of the model should be affixed with name or number tags; -Specifies the materials that should and should not be used for the model; -Specify the limit of heavy metal content in the paint of the model. 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). The main drafters of this standard are. Zhejiang Educational Technology Center, Ministry of Education Teaching Instrument Research Institute, Wenzhou Wuxing Industrial Co., Ltd. The main drafters of this standard. Ren Weide, Song Meilun, Huang Ruiqing. This standard replaces JY 193-1985. The standard JY 193 was first published in 1985. Dicotyledon stem model1 ScopeThis standard specifies the nomenclature, requirements, test methods, inspection rules and signs, packaging, transportation and storage of dicotyledonous herb stem models. Save and other content. This standard applies to dicotyledonous herb stem models for middle school plant teaching.2 Normative referencesThe 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. GB 21746-2008 General requirements for safety requirements of teaching instruments and equipment JY 0001-2003 General quality requirements for teaching instruments and equipment products JY 0002 Inspection rules for teaching instruments and equipment products JY 0026-1991 teaching instrument and teaching equipment product model naming method JY 0213-1994 Teaching mechanical, thermal instrument transportation, storage environmental conditions and test methods3 Naming3.1 Naming rules The model name of the product is JY 0026-1991. 3.2 Nomenclature The dicotyledonous stem model is named. SM ― ZWJ ― SH ― 160 Product height, 160mm Product feature code, dicotyledon (herb) Product name Pinyin prefix, "plant stem" Product model classification code, biological model Model example. SM-ZWJ-SH-160 stands for biological model, dicotyledonous plant stem model, 160mm high.4 Requirements4.1 Use environmental conditions Temperature. -10 ℃ ～ 40 ℃, relative humidity. not more than 90%. 4.2 Anatomy 4.2.1 General requirements 4.2.1.1 The product shall use the sunflower stem as the reference material, showing the structure of the vertical and transverse sections of the dicotyledonous herb. Model straight 330mm 20mm; The cross-section is about 1/3 of the stem, and the longitudinal section is a radial longitudinal cut with a height of 160mm ± 10mm. 4.2.1.2 The cell surface view and different sections shall be shown on the model. The morphology, structure and location of the cells in each part should be correct, and some living cells should be Show nucleus. The color of each part structure should be different. 4.2.2 Specific requirements 4.2.2.1 The cross section shows the epidermis, cortex, vascular bundles (primary phloem, mesenchymal layer, and primary xylem), pith and pith rays. among them External ductile vascular bundles should show six and a half. The diameter of each vascular bundle is 70mm ± 3mm at the maximum and 50mm ± 3mm at the minimum. Plates, sieve holes and companion cells, and correctly show the interface between the forming layer in the bundle and the forming layer between the bundles. 4.2.2.2 One side of the longitudinal section is cut longitudinally by the medullary rays and the other side is cut longitudinally through the middle of the vascular bundle. And make a corner on one side of the longitudinal section The stratum corneum, epidermis, and thick-angled tissue were stripped in trapezoidal layers, showing the surface view of cells such as epidermis, thick-angled, and thin-walled. 4.2.2.3 In the longitudinal section through the vascular bundle, ring-shaped catheters, threaded catheters, perforated catheters, sieve tubes, sieve plates, companion cells should be correctly displayed Location and morphological structure. It also shows the morphological and structural characteristics of fibroblasts (phloem fibers), that is, the narrow ends are tapered with thicker walls and smaller Cell cavity. 4.2.2.4 The following parts of the model shall be affixed with name tags or number tags. cuticle, epidermis, thick horn tissue, thin-walled tissue, vascular bundles, pith, pith rays Ring-shaped catheters, threaded catheters, perforated catheters, sieve tubes and companions, forming layers. 4.3 Materials and processes 4.3.1 The model should be made of rigid PVC material, and glass fiber reinforced plastic (FRP) or fragile and deformable materials should not be used. 4.3.2 The content of heavy metals in the coating of the model shall conform to GB 5.2.5.4 of GB 21746-2008. 4.3.3 The structures represented on the model should be accurate in position and modified naturally and correctly. 4.3.4 The color of the structure of each part should be correct and clear, and the spraying transition should be natural and there should be no spillage. 4.3.5 The longitudinal and transverse sections of the model shall be flat and free of deformation. 4.3.6 The product shall also comply with JY 0001-2003 sections 5.2, 6.9, 6.12, 6.27, 7.4.3, 7.7 and 9.1 to 9.6. 4.4 Environmental test 4.4.1 The product shall be tested for temperature, humidity, and free drop in accordance with JY 0213-1994 Section 3.1, and shall be subjected to a drop test in an unpackaged state. 4.4.2 The drop height of the drop test in the non-packaging state is 1m. The drop surface shall be the largest surface of the model outline. After the test, it shall not be broken or cracked. If there is a stand, it should not be included.5 Test method5.1 Relevant dimensions Measured with a steel ruler with a division value of 1 mm. 5.2 Anatomy, appearance and workmanship Sensory test. 5.3 Environmental test 5.3.1 Temperature, humidity and free fall test According to JY 0213-1994 Section 4.1, 4.2, 4.6. 5.3.2 Drop test in unpacked state. Lay a wooden board with a thickness of 20mm ± 3mm on the cement floor, and keep the board rigidly connected to the cement floor touch. During the test, the model's falling surface is downward, and it will fall freely from a height of 1m. Once tested, it shall meet 4.4.2.6 Inspection rules6.1 Inspection classification The inspection of this product is divided into factory inspection, type inspection and quality supervision inspection. 6.2 Inspection items The inspection items and methods of factory inspection and type inspection are shown in Table 1. Table 1 Inspection items and methods of factory inspection and type inspection Item No. Inspection Item Standard Provisions Factory Inspection Type Inspection 1 General requirements 4.2.1 ● ● 2 Specific requirements 4.2.2 ● ● 3 Materials and processes 4.3 ● ● 4 Environmental test 4.4-● Note. “●” in the table means all inspection items, and “-” means no inspection items. 6.3 Sampling methods 6.3.1 The factory inspection shall be batched according to the natural batch of delivery, and the type inspection shall be batched according to the stock array. 6.3.2 During the factory inspection, all the inspection items shall be inspected first, and the sampling inspection items shall be inspected among the qualified products. 6.3.3 The samples for type inspection shall be taken from the products that passed the factory inspection. 6.3.4 The sampling methods for factory inspection and type inspection shall be in accordance with JY 0002. 6.4 Non-conformance determination 6.4.1 The judgment of sampling inspection shall be in accordance with JY 0002. 6.4.2 The failure criterion of a single sample shall be in accordance with JY 0002. 6.4.3 The factory inspection shall be determined according to the unqualified criterion of a single sample. 6.4.4 This standard 4.2 (except for slight defects in the color and spray transition or slight inaccuracy in the spray transition), 4.3.1, 4.3.2 and 4.3.5 Is the main performance indicator. 6.5 Review rules 6.5.1 Unqualified products can be submitted for inspection again after rework. 6.5.2 If the cause of the batch failure is a sampling inspection item, the item shall be changed to a full inspection during the re-inspection. 6.6 Quality supervision inspection Quality supervision and inspection shall be in accordance with JY 0002. 7 Marking, packaging, transportation, storage The rest are according to chapters 11 and 12 of JY 0001-2003. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of JY/T 0193-2011_English be delivered?Answer: Upon your order, we will start to translate JY/T 0193-2011_English as soon as possible, and keep you informed of the progress. 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