英语翻译2.1.MaterialsThe titania pigments used in this study and their associated properties were all experimental grades prepared in the laboratories of Millenium Inorganic Chemicals,Grimsby,UK and are listed by alphabetical codes in Table 1.Exp

英语翻译2.1.MaterialsThe titania pigments used in this study and their associated properties were all experimental grades prepared in the laboratories of Millenium Inorganic Chemicals,Grimsby,UK and are listed by alphabetical codes in Table 1.Exp
英语翻译
2.1.Materials
The titania pigments used in this study and their associated properties were all experimental grades prepared in the laboratories of Millenium Inorganic Chemicals,Grimsby,UK and are listed by alphabetical codes in Table 1.Experimental samples of titania prepared via the sulphate and chloride routes were milled for different periods of time in order to examine the influence of particle size on durability and spectroscopic properties as were various untreated and surface treated grades of pigments.The phenolic antioxidant,Irganox 1010 (pentaerythrityl tetrabis(3,5ditertbutyl4hydroxyphenyl)propan1oate) and hindered piperidine light stabiliser,Tinuvin 770 (bis(2,2,6,6tetramethylpiperidinyl sebacate) was obtained from Ciba Specialty Chemicals,Manchester,UK while the unstabilised polyethylene (in powder form) was supplied by a European manufacturer with a number average molar mass of 156,000.A metallocene catalyst was used in the production of this material.The polyethylene formulations were processed using a
Brabender Plasticorder (Duisburg,Germany) fitted with W50E chamber and cam blades @ 170 C for 7 min each and then compression moulded into film (100–200
mm thickness) for 1 min.
2.2.Paint formulations
The alkyd paint formulation used is based on an 18% PVC air drying long oil alkyd based on commercial Sobral P470 supplied by the Scott Bader Company Ltd.,Wellingborough,Northants,UK.The paint drier is a commercial Manosec CD33 supplied by Rhone Poulenc
Chemicals,Manchester,UK while the methyl ethyl ketoxime was supplied by Banner [Samuel] & Co.Ltd.,Liverpool,UK.The resin and white spirit are initially mixed and then dispersed at 2000 rpm using a Dispersmat AE3C with 50 mm diameter impellor for 30 min (until no striations are seen).The pigment is then added to the dispersion followed by the steatite balls in Melinex capped glass jars.The formulation is then roll milled overnight or planetary milled for 30 min.The mill base is then let down using the formulation shown and dipsersed for 10 min using the Dipsersmat and then roll milled for 15 min followed by leaving overnight to stabilise.The paint films (coated on stainless steel plates for accelerated weathering and aluminium plates for naturalexposures) were conditioned for 10 days at 40 C to remove any trapped solvent.
2.3.Ageing and weathering
The paint films were weathered using an Atlas Ci65 weatherometer and durability measured via mass loss and gloss loss.Gloss was measured using a BYK Micro Tri Glossmeter at 60 .Samples of polyethylene film were irradiated using a number of light sources.The first was a 254 nm low pressure mercury lamp (Applied Photophysics Ltd.,London) while the second was a Microscal Weathering Unit (Microscal Ltd.,London) utilising a 500 watt high pressure fluorescent mercury/ tungsten source (wavelengths >300 nm,ambient humditiy and temperature).Films were also oven aged in a hot air fan oven @ 90 and 110 C.
其中的几处“C”为摄氏度符号格式问题没粘上。文献有点难度，最好精确点的。

英语翻译2.1.MaterialsThe titania pigments used in this study and their associated properties were all experimental grades prepared in the laboratories of Millenium Inorganic Chemicals,Grimsby,UK and are listed by alphabetical codes in Table 1.Exp
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2.1 .材料
1.该二氧化钛颜料用在这方面的研究及其相关属性均实验职系准备在实验室千年无机化学品,格里姆斯比,英国和中列出的按字母代码见表1 .a实验样品的二氧化钛准备通过硫酸盐和氯化物的路线球磨不同时期的时间,以便审查的影响,颗粒大小的耐久性和光谱性质一样,各种未经处理和表面处理等级的pigments.the酚类抗氧化剂,irganox 1010 （ pentaerythrityl tetrabis （ 3,5 ditertbutyl4hydroxyphenyl ） propan1oate ）和阻碍哌啶光稳定剂,tinuvin 770 （之二（ 2,2,6,6 tetramethylpiperidinyl癸二） ,获得了由汽巴特种化学品,曼彻斯特,英国,而unstabilised聚乙烯（在粉末形式）供应由欧洲制造商与一些平均摩尔质量的15.6万.茂金属催化剂是用在生产这种材料.聚乙烯配方处理使用
(100–200布拉plasticorder （ Duisburg ,德国）装有w50e商会和CAM叶片@ 170 C的每7分钟,然后压缩成型到电影（ 100-200
mm thickness) for 1 min.毫米的厚度）为1分钟.
2.2.涂料的配方
.醇酸涂料所使用的措辞是基于一个18 ％ ,PVC的空气干燥,只要油醇酸基于商业sobral p470所提供的斯科特巴德公司,伯鲁,northants ,英国.油漆少雨,是一个商业manosec cd33供应罗纳浦朗克
.化学品,曼彻斯特,英国,而甲基乙基酮肟是由旗帜[黄秉槐] ＆有限公司,利物浦,英国.树脂和白色的精神,最初的混合,然后分散在2000 RPM的使用dispersmat ae3c与50毫米直径的叶轮为30分钟（直到没有条纹出现） .色素是,然后添加到色散其次是滑石球在melinex上限玻璃广口瓶.制定,然后是轧辊碾磨通宵或行星球磨为30分钟.轧机基地,然后让下使用表明,制定和dipsersed为10分钟使用dipsersmat然后辊碾磨为15分钟之后离开一夜之间稳定.油漆膜（涂层对不锈钢板的加速老化和铝的板naturalexposures ）的条件为10天,在40 C至移除任何被困溶剂.
2.3.老龄化和风化
油漆膜的风化使用地图集ci65 weatherometer和耐久性通过测量质量损失和光泽度的损失.光泽度是衡量使用byk微型三glossmeter在60岁.样品的聚乙烯薄膜的辐照,使用了若干光源.第一次是波长为254 nm ,低气压汞灯（适用于光物理有限公司,伦敦） ,而第二次是一microscal风化组（ microscal有限公司,伦敦）利用500瓦高压水银的压力,荧光/钨源（波长> 300纳米,周围humditiy和温度） .电影也焦炉岁,在一个热点风机焦炉@ 90和110长

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