Farbmeßgeräte für transparente Flüssigkeiten sichern die Qualität in der chemischen Industrie – Qualitätskontrolle an transparenten Flüssigkeiten

Colour Measuring Instruments for Transparent Liquids Safeguard the Quality in the Chemical Industry – Quality Control of Transparent Liquids In many areas of the chemical industry a complete product specification comprises – besides various other parameters – the colour characteristics as well. The colour of transparent liquids is still frequently determined by visual comparison of the product with e.g. iodine, Hazen- or Gardner colour standard solutions or appropriate colourfilter discs. In 1989 a new DIN 53995 standard for instrumental colour assessment of transparent liquids was introduced to replace the error-prone, subjective methods of visual comparisons. Dr. Lange GmbH, Düsseldorf, has developed the LICO 200 spectrophotometer under consideration of the new DIN 53995 for objective colour assessment in compliance with the iodine, Hazen and Gardner colour scales.     

高架排放及大粗糙地形条件下稳定度分类方法对大气扩散计算结果的影响

本文介绍在高架排放及大粗糙地形条件下稳定度分类方法对大气扩散计算结果的影响。采用五种不同的稳定度分类方法,对在西德卡尔斯鲁厄核研究中心(KfK)进行的一系列(22次)高架源(H=100m)大粗糙地形(地面粗糙长度 Z_0≈1.5m)条件下的大气扩散示踪试验数据作了统计分析。结果表明:在大粗糙地形及高架排放条件下,用高斯烟羽模式预报的归一化扩散因子与其实测值符合较好;对同一系列示踪试验数据,用不同稳定度分类方法分析处理会得出不同的弥散系数;在采用推荐的扩散参数进行环境评价时,最好使用与推荐者采用的相同的稳定度分类方法     

Grundierungen für organische Dispersionsanstriche auf siliciumorganischer Grundlage und Emulsionsanstriche für Fassaden mit Siliconharzen als Bindemittel

Primers for Organic Dispersion Paints based on Organo-Silicons and Emulsion Paints with Silicon Resin Binders for Buildings It is possible to prepare water resistent, porous cement paints with silicon resin dispersions. Emulsion paints based on silicon resins are completely porous and they can be applied on absolutely fresh plasters even under the most difficult weather conditions. The water content of plaster and the building material was followed by continuous measurements. Alkalisiliconates and certain silicon resin solutions are porous primers for organic binder paints.     

汽车（点）小修补工艺

最好使用环保省漆小修补喷枪 确定修补工艺：翼子板油漆损伤5cm范围内的轻微划痕,靠近板块边缘,适合小修补,可在修补区内对底色漆及清漆进行驳口。     

鲁奇硫酸装置热回收系统

随着能源价格的上涨,现代硫酸装置作为热电站的角色越来越重要,为了能最大限度地节约能源,在硫酸装置的酸循环系统开发了一个热回收系统（HEROS）,重点放在操作的方便性和很高的安全标准。HEROS的核心是一个在中间吸收塔上游并配有安装专用酸循环系统的文丘里吸收器,该系统产生的热量被传递到一套特别设计的锅炉的低压蒸汽系统中,材质的耐酸性可对操作参数进行比较灵活的控制,设计允许在中间吸收塔全部运行时关闭HEROS,该原理也可实现在老硫酸装置中对系统进行改造。     

按消耗量分摊缴纳采暖费

1973年第一次石油危机后，以德国为代表的欧洲国家开始强制实行按消耗量收取热费。30多年的经验证明，采用按消耗量计费不但可能源节约达到15％-30％，而且可以增强住户的节约意识，也体现了费用支付的透明性与公正性。目前在欧洲所有参与按消耗量分摊热费的房屋中，超过97％的住户采用热分配表的形式，少于3％的住户采用热量表。[编者按]     

控制织物湿度的新方法

描述了一种采用Wacker化学公司开发的新一代硅树脂柔软剂(Wetsft NE)来控制织物湿度的新方法.这种新型纺织品整理剂解决了纺织品手感和亲水性之间的矛盾.     

硫酸生产中尾气回收的Peracidox工艺

Peracidoxa 艺用以降低来自两转两吸硫酸装置排放尾气中残留的SO2含量，从而控制污染物的排放量，改善大气质量。     

Farbmessung an transparenten Flüssigkeiten

Colour Measurements at Transparent Liquids In the chemical industry, the colours of transparent liquids are still determined by visual comparison of the products with the corresponding series of colour standards. This subjective colour assessment, which is susceptible to faults, was rendered more objective by means of the new DIN-standard set up in 1989 to determine the colour of the products by measuring. This DIN 53995 defines colour measurements at liquids in accordance with DIN 5033 for colour measurements at surfaces which has been in force since 1931. The liquid tester LTM1 by Dr. Lange was developed on the basis of these standards and enables objective colour assessment in compliance with DIN 53995 and iodine, Hazen and Gardner colour scales.     

慕尼黑迷你歌剧院

由奥地利蓝天组——COOP HIMMELB(L)AU设计的慕尼黑迷你歌剧院(the Pavilion 21 MINI Opera Space)外观奇特,可容纳300坐席(或700个站席),是为德国巴伐利亚州歌剧院实验演出设计的,同时也为巴伐利亚州歌剧院提供了一个巡回演出的移动空间。这是一个可拆卸、在不同地方又可重新组装的迷你歌剧院,通过它的奇特形状,可以展现不同城市空间的特色。建筑材质的重量是取得良好声学环境的一项决定性因素,为了满足歌剧院可快速拆卸、搬运及重新组装这些条件,歌剧院的结构就必须采用轻质材料。因此如何采用轻质材料又能够达到歌剧院的声学要求、创造一个良好的声学环