單一和多聯龍頭檢測

單一和多聯龍頭檢測項目報價？??解決方案？??檢測周期？??樣品要求？

點 擊 解 答??

GB/T 15732-1995漢字鍵盤輸入用通用詞語集

本標準規定了漢字鍵盤輸入用通用詞語。 本標準適用于漢字鍵盤輸入、方案優化和評測。中文信息處理的其他領域也可參照執行。

GB/T 50604-2010民用建筑太陽能熱水系統評價標準

為貫徹實施能源節約、環境保護、建設節約型社會，推進在建筑上利用太陽能熱水系統，規范民用建筑太陽能熱水系統的評價，規定本標準。本標準適用于評價新建、改建和擴建民用建筑上使用的太陽能熱水系統，以及在既有民用建筑上增設、改造的太陽能熱水系統。評價太陽能熱水系統應依據因地制宜的原則，結合建筑類型及其所在地域的太陽能資源、自然環境、經濟發展水平、社會習俗等特點進行評價。民用建筑太陽能熱水系統的評價，除應符合本標準外，尚應符合現行有關標準的規定。

UL 935-2001熒光燈鎮流器

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木材和木基產品的耐久性.術語.第1部分:等效術語表

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.