Elevations of sulfurous layers in acid sulfate soils: what do they indicate about sea levels during the Holocene in eastern australia? 酸性硫酸盐土壤中含硫磺土层的高度:对澳大利亚东部全新世时期的海平面能说明什么?
Sulfurous acid, disodium salt, polymer with formaldehyde, phenol, sodium hydrogen sulfite and urea; 硫酸二钠盐与甲醛、苯酚、亚硫酸氢钠和尿素的聚合物;
Ambient conditions that include toxic gases such as hydrogen sulfide, sulfurous acid, nitrous acid, chlorine, bromine, methyl bromide, ammonium, etc. 周围环境中有氢化硫、亚、亚硝酸、***、溴气、溴化甲烷、氨气等有毒气体。
Enrichment and application in sulfurous acid sugaring clarification technique of carbondioxide from boiler flue gas in cane sugar mill 糖厂锅炉烟道气二氧化碳的富集及其在亚硫酸法制糖澄清工艺的应用
Flake Ag/ SnO_2 powder was fabricated when with sulfurous acid as the reducing agent. 用亚硫酸为还原剂可以得到片状的Ag/SnO2粉体。
Methods The content of formaldehyde in rongalite was determined by sulfurous acid, magenta and acetylacetone spectrophotometry respectively. 方法采用品红亚硫酸法和乙酰丙酮法测定吊白块中甲醛含量,并计算样品中吊白块的含量。
To ferment sulfurous acid wastewater from pulp and paper mills by using C. utilis could produce SCP used for animal feed additive. 利用产朊假丝酵母C.utilis发酵亚硫酸造纸废液可生产SCP作为动物饲料添加剂。
Determination of vitamin C in the fruits containing sulfurous acid 熏硫或亚硫酸浸泡果品中还原性维生素C含量的测定
Relationship between the Changes of Plant Proline and Sulfurous Acid Insult 植物脯氨酸的变化与亚硫酸伤害的关系
The changes of plant proline and its protective effect on sulfurous acid insult 植物叶片脯氨酸的变化及其对亚硫酸伤害的防护作用
Conclusion Both sulfurous acid, magenta and acetylacetone spectrophotometric methods were suitable for the determination of formaldehyde in rongalite in the laboratory of basic units, and acetylacetone spectrophotometric method was better because less environmental factors interfered with the detection results. 结论品红亚硫酸法和乙酰丙酮法均适于基层实验室检测吊白块的甲醛含量,乙酰丙酮法受外界环境的影响小,更为适用。
Discussion on Standard Curve-protracting in Determining White Spirits'Methanol through Fuchsin Sulfurous Acid 品红亚硫酸法测定酒中甲醇的标准曲线绘制法的探讨
The paper introduces the reaction mechanism of oxidating sulfurous acid calcium to gypsum and some factors to influence the reaction process. 介绍了亚硫酸钙氧化为石膏的反应机理及影响反应过程的某些因素。
Extraction of sweet potato pectin. Sweet potato pectin was extracted with hydrochloric acid, sulfurous acid, ammonium oxalate, potassium oxalate, sodium polyphosphate solution. The results showed that the extracting efficiency of ammonium oxalate was the best. 甘薯果胶的提取,采用盐酸、亚硫酸、草酸铵、草酸钾、多聚磷酸钠溶液提取甘薯果胶,通过单因素试验确定以草酸铵提取效果最好。