查询词典 dyes

As an azo-dyes, Sudan Ⅲ do not dissolve in water, slightly soluble in ethanol, soluble in chloroform, oils and fats, mineral oil, acetone and benzene and so on. It is difficult biodegradable and volatile organic compound.

苏丹Ⅲ作为一种偶氮染料不溶于水，微溶于乙醇，易溶于氯仿、油脂、矿物油、丙酮和苯等，属于难挥发、难生物降解性有机物。

The article presents a simultaneous determination method for three kinds of water-soluble dyes: acid red, acid brown and acid black by solving simultaneous equations using a UV-VIS spectrophotometer.

介绍了利用解联立方程组的方法，在紫外可见分光光度计上实现了对酸性红、酸性棕和酸性黑的混合染料中三种成分浓度的同时测定。

Anthraquinone acid dye is one of the important kinds of acid dyes.

葸醌型酸性染料是一类重要的染料。C.I。

The dyeing processes of the two natural dyes were similar to the synthetic acid dye beige CE.

两种天然染料的染色工艺与合成染料染色工艺类似。

In this paper, sludge activated carbon was prepared from municipal wastewater treatment plant sludge using chemical activation (the activation reagent was ZnCl2), and the kinetics of adsorption of three dyes (Reactive Brilliant Red K-2BP, Acid Scarlet GR, Direct Violet N) by SAC was studied.

以城市污水处理厂脱水污泥作为原料，采用化学活化法（ZnCl2作为活化剂）制得污泥活性炭，全面研究了污泥活性炭对活性艳红K-2BP、酸性大红GR和直接紫N这3种染料的吸附动力学行为。

Quantum dot; nano-SiO_2; DNA; acridine orange; organic dyes; silver ion; copper ion; spectrum analysis

论文导师常希俊，论文学位博士，论文专业分析化学论文单位兰州大学，点击次数 2，论文页数 141页File Size7980K

Its photocatalytic behaviors for degradation of fruit green dye, alkali yellow dye and brilliant blue dye, were investigated. The effects of catalyst dosage, illumination time and presence of air on the decoloring efficiency for the three dyes were investigated.

研究了其对果绿、碱性黄和亮蓝溶液的光催化降解性能，考察了光催化剂用量、光照时间及空气的存在对三种染料降解脱色率的影响。

The experimental conditions of decoloration disposal for printing and dyeing waste water with Cr~(3+) and litmusless dyes are optimized utilizing chitosan with 70% acetyl removed, aluminum sulphate or polyaluminum chloride for flocculation.

以脱乙酰度为70%的壳聚糖、硫酸铝和聚铝作为絮凝剂对含Cr3+和中性染料的印染废水絮凝脱色进行了处理条件的优化，对试验结果作了对比分析。

Refers to the use of vegetable dyes on the nature of flowers, grass, trees, stems, leaves, fruits, seeds, bark, root extract as a dye pigment.

植物染料是指利用自然界之花、草、树木、茎、叶、果实、种子、皮、根提取色素作为染料。

The technological condition of preparation of mesh TiO〓/Ti catalyst was optimized by means of XRD and SEM with the analysis of effects of dyes photoelectrocatalytic degradation. The diameter of TiO〓/Ti catalyst particle was nanometer level The effects of bias voltage and light intensity on the process of photoelectrocatalytic oxidation, the adsorption property of electrode surface, the extent of mineralization of rhodamine B and rose bengal were investigated using mesh TiO〓/Ti as catalyst of photoelectrocatalytic oxidation system.

利用拉曼光谱和XRD等测定手段并结合染料的光电催化降解效果的分析，优化了丝网TiO〓／Ti催化剂制备的工艺条件，研制出高效丝网纳米级TiO〓／Ti催化剂，并将该催化剂用于光电催化氧化体系，研究了氧化体系中外加偏压、光强等因素对光电催化氧化过程的影响以及催化剂的表面吸附性能、染料若丹明B和虎红在光电催化氧化过程中的矿化程度。

Now, however, all children continue in "comprehensive" schools, and the eleven-plus determines which courses of study the child will follow.

然而现在，所有的孩子都要在综合学校继续学习，所以这次考试只是决定他们将要学习哪些课程。

Cultivatable land , and led to a general recognition that development must not be carried at the cost of agriculture .

城区的迅速扩大在很多情况下侵占了宝贵的可耕地，使人们普遍认识到发展不能以牺牲农业为代价。