查询词典 decoloration

Through the study of joints of different sizes in granite mass, it is known that joints not only control lumpiness of granite materials but also provide a good structural environment for weathering of the rock, causing the continuous development of weathering and the deeping of decoloration.

查明节理不仅直接控制石材的块度、荒料率，而且为石材的风化变色作用提供良好的构造环境，促使花岗石风化变色作用的加深及其效果的扩大化。

The conclusion derived from this investigation is summarized as follows:(1) Decoloration rates of azo dye solution during the ozonization enhanced by ultrasound are more rapid than the rates obtained with ozone alone.

超声强化臭氧氧化偶氮染料配液的脱色结果表明：①与单纯臭氧氧化相比，超声协同臭氧氧化速度快，偶氮染料分解彻底。

A spectrophotometric determination of iodine by oxidation decoloration reaction of pyrocatechol violet by iodatein a strong acid medium is reported in this paper.

本文提出了在强酸性条件下，根据碘酸根氧化邻苯二酚紫使其褪色吸光光谱法测定加碘食盐中碘含量的分析方法。

There are exponential functions between the reaction rate constants and electrode potential, NaCl concentration respectively, while the rate constant and initial dye concentration are related with the reciprocal function. Furthermore, the decoloration rate was reduced obviously by high temperature.

脱色反应符合一级动力学，反应速率常数分别与阳极电位、氯化钠浓度存在指数函数关系，与染料初始浓度存在倒数函数关系；高温明显降低脱色降解反应速率。

In the culture solutions with 15 mgL^(-1) methylene blue and 5 mgL^(-1) safranine T respectively, Spirulina subsalsa 8 days decoloration efficiencies to methylene blue and safranine T are 98.9% and 95.6%, respectively.

当番红花红T浓度为5mgL^(-1)时，盐泽螺旋藻对番红花红T的8天脱色率为95.6%。

The extraction and decoloration technology of water insoluble dietary fiber from residue of shaddock peel after the extraction of pectin were studied.

研究了从柚皮提取完果胶的残渣中提取水不溶性膳食纤维的工艺，同时对IDF的脱色工艺也进行了研究。

And photocatalytic activity of the thin films were evaluated by photocatalytic decoloration of methyl orange aqueous solution. The following results and conclusions are obtained. The photocatalytic activity of TiO2 thin films on soda lime glass is lower than that of TiO2 films on pre-coated with SiO2 coating.

研究结果表明：在热处理过程中钠钙离子容易从玻璃基体扩散到TiO2薄膜内，在TiO2颗粒表面和本体形成光生电子和空穴的复合中心，同时抑制具有光催化活性的锐钛矿相TiO2的形成。

Glycoalkaloids are important natural products. In this paper, the extraction, isolation and decoloration of glycoalkaloids from the sprouts of potatoes Solanum tuberosum L.

摘要糖苷生物碱是一类重要的天然产物，本文对马铃薯芽中的糖苷生物碱进行了提取、分离以及脱色素的研究。

A new fading spectrophotometric method for the determination of chromium is proposed, based on the decoloration of thoron Ⅱ oxidized by chromium in the medium of 0.32 mol/L sulphuric acid.

基于在0.32 mol/L硫酸介质中，铬氧化钍试剂Ⅱ褪色，提出了钍试剂Ⅱ褪色分光光度法测定铬的新方法。

The low concentration of chlorine dioxide in water was determined by spectrophotometry according to the characteristic of decoloration of thymol blue by using chlorine dioxide as oxidant in this paper.

根据二氧化氯可氧化百里香酚兰使其褪色的特性，可用示差分光光度法测定水中低浓度二氧化氯的含量。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。