单一和多联龙头检测

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GB/T 15732-1995汉字键盘输入用通用词语集

本标准规定了汉字键盘输入用通用词语。 本标准适用于汉字键盘输入、方案优化和评测。中文信息处理的其他领域也可参照执行。

GB/T 50604-2010民用建筑太阳能热水系统评价标准

为贯彻实施能源节约、环境保护、建设节约型社会，推进在建筑上利用太阳能热水系统，规范民用建筑太阳能热水系统的评价，规定本标准。本标准适用于评价新建、改建和扩建民用建筑上使用的太阳能热水系统，以及在既有民用建筑上增设、改造的太阳能热水系统。评价太阳能热水系统应依据因地制宜的原则，结合建筑类型及其所在地域的太阳能资源、自然环境、经济发展水平、社会习俗等特点进行评价。民用建筑太阳能热水系统的评价，除应符合本标准外，尚应符合现行有关标准的规定。

UL 935-2001荧光灯镇流器

1.1 These requirements cover ballasts of the resistance, reactance, and electronic (high frequency) types for use with fluorescent lamps involving a potential of 2500 volts or less in accordance with the National Electrical Code, ANSI/NFPA 70.1.2 A fluorescent-lamp ballast may be determined by investigation to be acceptable for use, in a fixtureor other device, with electric-discharge lamps of other than the fluorescent type.1.3 Fluorescent self ballasted lamps and ballast adaptors are evaluated using the Standard forSelf-Ballasted Lamps and Lamp Adapters, UL 1993. The component ballast is evaluated to requirementsin this Standard.1.4 A product that contains features, characteristics, components, materials, or systems new or different from those covered by the requirements in this standard, and that involves a risk of fire or of electric shockor injury to persons shall be evaluated using appropriate additional component and end-productrequirements to maintain the level of safety as originally anticipated by the intent of this standard. A product whose features, characteristics, components, materials, or systems conflict with specific requirements or provisions of this standard does not comply with this standard. Revision of requirements shall be proposed and adopted in conformance with the methods employed for development, revision, and implementation of this standard.

DIN EN 1001-1-2005木材和木基产品的耐久性.术语.第1部分:等效术语表

This European Standard provides the basis for selecting the preferred equivalent terms for the drafting of future European Standards and other documents on natural or conferred durability of wood and wood-based products.