[50]. Control plants (n = 16 for each variety), present in the same climatic cell, were carefully separated from those treated by means of a plasterboard panel that shielded most of the UV radiation (BED of 1 kJ m−2 d−1). The UV-B treatment corresponded to a high UV-B dose...
[82]. Control plants (n = 16 for each variety), present in the same climatic cell, have been carefully separated from those treated by means of a plasterboard panel that shielded most of the UV radiation (BED of 1 KJ m−2 d−1). The UV-B treatment corresponds to a high UV-B ...
一、石膏板简介 石膏板又称石膏板材或是Plasterboard,是一种高强度的建筑板材,可以用于室内隔断、天花板和墙面装饰等。在进行批处理前,需要先了解石膏板的特点,避免在处理中出现问题。 二、直接批灰 直接在石膏板表面进行批灰的方法比较简单,但也存在一些风险。如果没有进行预处理,直接在石膏板表面批灰可...
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The system is used for mounting and fixing plasterboard, fibreboard, plywood or other panels on ceilings or as wall cladding. An upright panel (2) is picked uo, and lifted and swung into position for installation. In the course of the op... WENISCH,JOSEF 被引量: 1发表: 1981年 Wire tie...
2 Pieces Roof Plaster Positioning & Fixing Board, Drywall Plasterboard Ceiling Auxiliary Fixing Tool, Heavy Duty Drywall Fitting Tool, Supports The board in Place While Installing 1 offer from$17.99 #27 Adjustable Support Pole, 45"-114" Cabinet Jack Support Pole 3rd Hand Support Pole with 154 Lb...
内膨胀螺丝和拉爆螺丝都广泛用于建筑、家具、机械等领域中。内膨胀螺丝一般用于较硬的墙体材料(如混凝土,石材,砖块等),通过内膨胀力来达到固定作用。拉爆螺丝一般用于较软的墙体材料(如轻质隔墙,泡沫材料,plasterboards等),通过内部弹性拉伸来达到固定作用。 四、安装 内...
3.欧洲标准:EN 520:2004+A1:2009《Gypsum plasterboards - Definitions, requirements and test methods》 该标准规定了石膏板的分类、尺寸、物理性能、化学性能、安全性能等指标,其中包括抗折强度的测试方法和标准值要求。 通过比较上述标准,可以发现不同国家或地区对石膏板的抗折强度测试方法和标准...
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