介绍锅炉给水化学变色防垢剂的使用效果，解决了锅炉失水严重的问题，为锅炉安全运行起到了良好的作用。
Introduce the effect of using chemistry coloring agent quit scale. It solve boiler run off water question and supply well guard effect for the boiler ensure safety in production.
讨论了它们的化学组成对光致变色性能的影响。
The effect of their chemical components on photochromic behavior is discussed.
遗憾的是，正是让树叶变色的化学反应让树叶落地。
Unfortunately, the chemical processes responsible for changing leaf color also make leaves fall.
用热蒸发和磁控溅射的物理镀膜方法和溶胶凝胶化学涂布的方法相结合制备了有机和无机复合纳米光学变色薄膜。
Physical method, including thermal evaporation and magnetic sputtering, and chemical coating method are applied to prepare organic-inorganic composite chromotropic film.
光致变色材料是一类具有特殊光化学性质的新型功能材料。
Photochromic material is a new kind of functional material that has the special photochemistry property.
溶胶-凝胶技术是制备有机-无机杂化材料的重要手段，在光致变色、光纤传感和发光等光化学杂化材料制备方面应用前景广阔。
Sol-gel technique is an important experimental method for preparation of organic-inorganic hybrid materials which can be widely used to manufacture photochromic, optical fibre and emission materials.
要避免接触各种化学物品，一旦碰到，要及时清洗干净，以免引起镀层变色、脱落等。
To avoid exposure to various chemicals, once encounter, should be timely clean, lest cause plating color, loss, etc.
为了提高铜及其合金的表面抗变色能力，研制了一种环保的化学抛光工艺和含稀土盐的新型钝化工艺。
An environmentally-friendly chemical polishing and passivation process was established for copper and its alloys, using a rare earth salt in the passivation solution.
并对聚合条件、聚合物的结构、聚合物薄膜的变色范围以及电化学聚合机理进行了详细的研究。
Research on the polymerization conditions, polymer structure and color changing ranges of the films were carried out in detail.
微特征模仁使用的基材为镍金属，镍金属在大气和碱液中化学性质的安定性好，不易变色且具有良好的耐蚀性和延展性并且易于抛光等优点。
The substrate in micro mold insert is nickel metal which is stable in the air and alkaline liquid. Nickel color won't wear out and nickel has good corrosion resistance.
根据光化学反应的原理，分析了光致变色材料的写入过程，建立了光致变色多阶存储写入过程的反射率模型。
The write process of photochromic materials was analyzed, and a model was built based on the photochemistry principles.
多金属氧酸盐膜材料在发光、光致变色、磁性、电性以及催化领域中有着广阔的发展前景，是多酸化学和材料化学领域的研究热点。
The studies on the thin films containing polyoxometalates have drawn more and more attention owing to their potential applications in luminescence, photochromism, magnetism, electrics and catalysis.
耐久色：能够抵受空气或某类化学品的影响而不变色的油墨或颜色材料。
Colour fast: An ink or coloured material whose colour is not affected by exposure to air or specified chemicals.
采用浸渍聚合化学法合成聚苯胺电致变色膜。
The preparation method of transparent film of electrochromism polyaniline on the glass supporter is studied by a dipping polymerization.
良好的化学稳定性、独特的掺杂现象以及具有优良的电致变色性，使它成为目前导电高分子聚合物领域的研究热点。
Polyaniline (PANI) is one of the most interesting conducting polymers due to its environmental stability, ease in preparation, exciting electrochemical, optical and electrical properties.
良好的化学稳定性、独特的掺杂现象以及具有优良的电致变色性，使它成为目前导电高分子聚合物领域的研究热点。
Polyaniline (PANI) is one of the most interesting conducting polymers due to its environmental stability, ease in preparation, exciting electrochemical, optical and electrical properties.
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