脱色剂

In order to decolorize the polysaccharide from Cardamine enshiensis ,the hydrogen peroxide was used to be reagent for decolorizing the polysaccharide,and the time,temperature,pH as well as the concentration of hydrogen peroxide were selected to be factors for the experiment of single factor,then the orthogonal test with four factors and four levels was carried out on the aforementioned basis.

为了脱除碎米荠多糖液中的色素，以过氧化氢(H2O2)为脱色剂，选择脱色时间、脱色温度、pH值和过氧化氢的质量百分比浓度等因素为试验因素，进行单因素试验，以此为基础进行4因素4水平的正交试验。

The study compares the decoloring effectiveness of a mixed rare earth carbonate with pure cerium oxide.

对铁含量为 0 。1 2 %、0 。1 6%的钠钙硅浮法玻璃进行了脱色实验研究，测定了样品的色差和总透过率，比较了纯氧化铈与廉价混合碳酸稀土作玻璃脱色剂的效果。

The result indicated that cationic quaternary ammonium salt decolorizer was a kind of effectual decolorizer for leather dye wastewater.

结果表明季胺盐类脱色剂对皮革染料废水具有良好的脱色效果。

With the active carbon powder as a decolorizer,the fish protein hydrolysate is decolored in different conditions (the used quality of active carbon,pH,temperature and time ).

以粉末状活性炭为脱色剂，对鲢鱼蛋白水解液在不同条件下(活性炭用量、pH、温度和时间)进行脱色比较。

It's the ideal material of making high heat preservation material, microporosity heat preservation, heat preservation board, insulaion board, making-paper, cloth, rope, resistance of rub products and adsorbent, suspending agent, catalytic agent, thickening agent, decolourant, deodorant, carrying agent, etc. so it is a kind of non-metallic mineral which widely used in minmetals.

它是制做高级保温材料、微孔保温剂、保温板、绝缘板、造纸、布、绳、耐摩擦制品和制作吸附剂、悬浮剂、催化剂、增稠剂、脱色剂、除臭剂、助灌剂和载体的理想基料，因而是一种用途十分广泛的非金属矿产。

Properties and applications of decolorizing agents, bleaching agents and whitener s are introduced.

介绍各类脱色剂、漂白剂和增白剂的性质及应用，给出了数种化工及其他产品的脱色与漂白方法。

The decolorization rates of the 4 typical types of dye-stuff (500 mg/L)under the tests were all over 90%.

脱色剂对四种典型的染料的脱色率都接近90%。

Cationic resin was chosen to decolour the fermentation broth besides to play the role of cation exchange.

1选用732型阳离子树脂为丙酮酸发酵液的脱色剂和阳离子交换剂，把脱色和改性两道工序合并，简化了提取丙酮酸的环节，从而提高了丙酮酸的提取收率。

The main contents of experiment as following:(1) Modified polymerized ferric sulphate decoloring agent is made through oxidation, hydrolyzation, polymerization with ferrous sulphate heptahydrate, sulphate acid, natrium chlorate etc.

本论文为印染废水的絮凝沉降处理方法提供了一种新型的性能优良的脱色剂，具体内容有：(1)采用七水硫酸亚铁、硫酸、氯酸钠等原料，通过氧化、水解、聚合反应，制备了改性聚合硫酸铁脱色剂。

This effect was observed clearly at final concentration between 1 and 10μ mol/L after treating for 24 hours. We concluded that the possible mechanisms of hydroquinone bleaching hyperpigmented skin were through its inhibition of tyrosinase activity at lower concentration and its cytotoxicity at higher one.

提示18α-甘草酸双胺盐、熊果苷的皮肤脱色作用机制与氢醌可能不同，后者低浓度时以抑制酪酸酶活性为主，高浓度时主要是细胞毒，且细胞早期的损伤部位可能发生在树状突。18α-甘草酸双胺盐能否成为一种无细胞毒酪氨酸酶抑制型皮肤脱色剂有待进一步临床加以验证。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。