查询词典 hydrosulfite

By addition of suitable amount of sodium hydrosulfite into blood samples which were diluted by 0.1% Na2CO3, the absorption curve from 400 nm to 600 nm and absorbance at 419 nm and 425.5 nm of the blood samples were detected for qualitative and quantitative determination of carboxyhemoglobin.

检血用0.1% Na2CO3稀释后加入连二亚硫酸钠，用紫外－可见分光光度计测定500nm-600nm吸收光谱图和419nm及425.5nm处的吸光度值，对碳氧血红蛋白进行定性和定量分析。

The effect of white water consistency on hydrosulfite bleaching of DIP and TMP pulps was introduced in this paper.

介绍了纸机白水浓度对DIP和TMP浆连二亚硫酸钠漂白的影响；同时介绍了3种处理和利用白水的研究方案。

Sodium hydrosulfite,hydrogen peroxide,sodium percarbonate,sodium sulfite,rongalite C,zinc oxide,sodium thiosulfate,carbon dioxide,dry ice,methanol,formalin,urea,sodium carbonate,ammonium chloride.

提供产品：连二亚硫酸钠，过氧化氢，过氧碳酸钠，亚硫酸钠，雕百块，氧化锌，硫代硫酸钠，二氧化碳，干冰，甲醇，甲醛，尿素，纯碱，氯化铵。

Typical precipitatingagents that have been used include sodium or calcium hydroxide , iron sulfide , sodium dimethyldithiocarbamate, sodium hydrosulfite , and starch xanthate.

典型的沉淀已使用的药物包括钠或氢氧化钙，铁硫醚，二甲基二钠，亚硫酸钠，淀粉黄原酸酯。

The invention uses the industry byproduct in production of sulfonation-process phenol or the byproduct (Na2SO3 content is 60-85percent) in production of p-cresol and sodium hydrosulfite to produce the aliphatic high range water reducer and takes acetone, formaldehyde, industry byproduct, sulphite or sodium pyrosulfite as raw materials and then sulfonation and condensation reactions are carried out in aqueous medium, the reactant weight ratio is acetone: formaldehyde: sulphite plus industry byproduct: water is equal to 1:2.5-4.5:1.5-2.6:4.0-6.0, the mass concentration of the condensation compound obtained is 30-42 percent, and the viscosity thereof is 20-100m.

本发明利用磺化法苯酚生产中的工业副产品，或者对甲酚和保险粉生产过程中副产品(Na 2 SO 3 含量在60～85％)生产脂肪族高效减水剂，采用丙酮、甲醛、工业副产物、亚硫酸盐和或焦亚硫酸钠作为原材料，在水介质中进行磺化和缩合反应，反应物的质量比为丙酮∶甲醛∶亚硫酸盐副产品∶水＝1∶2.5～4.5∶1.5～2.6∶4.0～6.0，所得到的缩合物的质量浓度为30～42％，粘度为20～100m。

After treated by i.p. sulfur dioxide derivatives (sodium hydrosulfite and sodium sulfite 3∶1,mol·L -1 / mol·L -1 ) or/and vitamin C, the activities of CAT, SOD and the level of lipid peroxidationin human red blood cells were investigated.

以SO2体内衍生物-亚硫酸盐和亚硫酸氢盐(分子比为3∶1)及抗坏血酸单独或同时处理人血红细胞，并测定红细胞过氧化氢酶、超氧化物歧化酶活性及脂质过氧化水平。

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。