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NB/T 10406-2020 芭蕉芋块茎等级规格 Grades and specifications of Canna edulis Ker tuber
本文件规定J’芭蕉芋(Canna edulis Ker)鲜块茎的响关术语和定义、等级规格、试验方法、检验规则以及标签、运输和储存要求。<br />本文件适用于加工用芭燕芋(Canna edulis Ker)鲜块茎,不适用于种芋。...
2023-11-22 03:24:12浏览:9
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NB/T 25063-2016 核电厂安全防范工程安装技术规范 Installation specifications for engineering of security and protection systems of nuclear power plant
本标准规定了核电厂安全防范工程的安装技术要求。<br />本标准适用于核电厂新建、改建和扩建工程中安全防范工程的施工。...
2023-11-21 23:00:01浏览:10
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NF EN ISO 3040-2016 Geometrical product specifications (GPS) - Dimensioning and tolerancing - Cones
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2023-11-18 13:48:02浏览:14
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QC/T 1140-2020 汽车零部件再制造产品技术规范 曲轴 Technical specifications for remanufactured automotive components- Crankshaft
本文件规定了汽车发动机曲轴再制造产品的术语和定义、工艺要求、性能要求、试验方法、检验规则、标志、包装、运输和储存等。<br />本文件适用于汽车发动机曲轴的再制造产品。...
2023-11-18 13:24:02浏览:12
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ISO/IEC/IEEE 8802-15-4-2018 信息技术--系统之间的电信和信息交换--本地和都市地区网络--具体要求--第15-4部分:无线介质访问控制(MAC)和物理层(PHY)规范、用于低速率无线个人区域网络(WPANs) Information technology — Telecommunications and information exchange between systems — Local and metropolitan area networks
This standard defines the physical layer (PHY) and medium access control (MAC) sublayer specifications for low-data-rate wireless connectivity with fixed, portable, and moving devices with no battery or very limited battery consumption requirements. In addition, the standard provides modes that allow for precision ranging. PHYs are defined for devices operating various license-free bands in a variety of geographic regions....
2023-11-18 07:00:02浏览:15
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QX/T 245-2014 雷电灾害应急处置规范 Specifications for emergency disposal of lightning disaster
本标准规定了雷电灾害的应急处置原则和要求。<br />本标准适用于雷电灾害的应急处置。...
2023-11-17 19:48:01浏览:10
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ISO 14245-2019 气瓶--LPG液化气阀的规范和试验--自闭操作 Gas cylinders -- Specifications and testing of LPG cylinder valves - Self-closing
This document specifies the requirements for design, specification, type testing and production testing <br />and inspection for dedicated LPG self-closing cylinder valves for use with and directly connected to <br />transportable refillable LPG cylinders.<br />It also includes requirements for associated equipment for vapour and liquid service. Bursting discs <br />and/or fusible plugs are not covered in this document.<br />Annex A identifies requirements for production testing and inspection.<br />This document excludes other LPG cylinder devices which are not an integral part of the dedicated self-<br />closing cylinder valve.<br />This document does not apply to cylinder valves for fixed automotive installations and ball valves.<br />NOTE For manually operated LPG cylinder valves see ISO 15995. For cylinder valves for compressed, <br />dissolved and other liquefied gases see ISO 10297, ISO 17871 or ISO 17879....
2023-11-17 16:36:01浏览:13
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ISO 17225-4-2021 固体生物燃料--燃料规范和等级--第4部分:分级木屑 Solid biofuels — Fuel specifications and classes — Part 4: Graded wood chips
This document determines the fuel quality classes and specifications of graded wood chips. This document covers only wood chips produced from the following raw materials (see ISO 17225-1:<font class="font-highlight">2021</font>, Table 1):<br />• 1.1 Forest, plantation and other virgin wood;<br />• 1.2 By-products and residues from wood processing industry;<br />• 1.3.1 Chemically untreated used wood.<br />This document covers only wood chips, which are produced with sharp tools, and does not cover hog fuel, which is produced with blunt tools....
2023-11-17 15:36:02浏览:11
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JB/T 11551-2013 工业机器人重力浇注系统 技术条件 Gravity die casting center with robot-Technical specifications
本标准规定了工业机器人重力浇注系统的技术要求、试验方法、检验规则、标志、包装、储运和保用期。<br />本标准适用于用一台浇注机器人联合多台重力铸造机的方法来生产有色金属铸件的浇注系统(以下简称浇注系统)。...
2023-11-16 04:24:01浏览:10
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NF U44-051/A3-2019 Organic soil improvers - Designations, specifications and marking - Additional elements
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2023-11-15 23:00:01浏览:9
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NB/T 10723-2021 矿井透地通信系统通用技术条件 General specifications of the through-the-earth communication system in the underground mine
本文件规定了矿井透地通信系统的术语和定义、分类、技术要求、试验方法和检验规则。<br />本文件适用于矿井透地通信系统(以下简称系统)。...
2023-11-15 19:12:01浏览:6
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