單一和多聯(lián)龍頭檢測(cè)

單一和多聯(lián)龍頭檢測(cè)項(xiàng)目報(bào)價(jià)？??解決方案？??檢測(cè)周期？??樣品要求？

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GB/T 15732-1995漢字鍵盤輸入用通用詞語集

本標(biāo)準(zhǔn)規(guī)定了漢字鍵盤輸入用通用詞語。 本標(biāo)準(zhǔn)適用于漢字鍵盤輸入、方案優(yōu)化和評(píng)測(cè)。中文信息處理的其他領(lǐng)域也可參照?qǐng)?zhí)行。

GB/T 50604-2010民用建筑太陽能熱水系統(tǒng)評(píng)價(jià)標(biāo)準(zhǔn)

為貫徹實(shí)施能源節(jié)約、環(huán)境保護(hù)、建設(shè)節(jié)約型社會(huì)，推進(jìn)在建筑上利用太陽能熱水系統(tǒng)，規(guī)范民用建筑太陽能熱水系統(tǒng)的評(píng)價(jià)，規(guī)定本標(biāo)準(zhǔn)。本標(biāo)準(zhǔn)適用于評(píng)價(jià)新建、改建和擴(kuò)建民用建筑上使用的太陽能熱水系統(tǒng)，以及在既有民用建筑上增設(shè)、改造的太陽能熱水系統(tǒng)。評(píng)價(jià)太陽能熱水系統(tǒng)應(yīng)依據(jù)因地制宜的原則，結(jié)合建筑類型及其所在地域的太陽能資源、自然環(huán)境、經(jīng)濟(jì)發(fā)展水平、社會(huì)習(xí)俗等特點(diǎn)進(jìn)行評(píng)價(jià)。民用建筑太陽能熱水系統(tǒng)的評(píng)價(jià)，除應(yīng)符合本標(biāo)準(zhǔn)外，尚應(yīng)符合現(xiàn)行有關(guān)標(biāo)準(zhǔn)的規(guī)定。

UL 935-2001熒光燈鎮(zhèn)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(chǎn)品的耐久性.術(shù)語.第1部分:等效術(shù)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.