Oxidative Desulphurization in Hydrogen Peroxide/ Formic Acid/ Sulfuric Acid System STUDY ON REDUCTION AND SULFIDATION OF CeO_2 DESULFURIZER AT HIGH TEMPERATURE 过氧化氢/甲酸/硫酸体系氧化脱硫研究
Oxalic acid electrochemical reduction techniques to produce glyoxalic acid is quite an ideal preparation method. 草酸电解还原生产乙醛酸技术是比较理想的制备方法。
High content of ascorbic acid and appropriate reduction of fruit polyphenol in the wine can raise its anti-oxidant capacity. Reform of its fragrance increasing measure can prevent the surface of coffee wine liquid from getting a membrane and raise its stability; 适宜提高抗坏血酸的含量和适度降低果酒中的多酚可提高咖啡酒的抗氧化性,改革咖啡酒增香措施可预防咖啡酒液表面起膜,并提高咖啡酒的稳定性;
Study on Production of Bromohydric Acid by Reduction of Sulfur 硫磺还原法制取氢溴酸的研究
This paper reports four reduction methods of p-nitrophenylacetic acid which are the reduction using iron powder in acid or alkaline medium, hydrogen transfer reduction using Pd/ C as catalyst and catalysis hydrogenation using raney Ni. 报道了对硝基***的四种还原方法,酸性介质中铁粉还原,碱性介质中铁粉还原,Pd/C催化转移氢化及镍催化加氢还原。
Through transformation, some benefit was gained, such as energy and sulfuric acid consumption reduction, the lifetime of equipment extending and good economic performance. 通过改造,降低能耗和硫酸消耗,延长了设备的使用周期,取得了良好的经济效益。
METHODS Based on chemical ( including sugar composition analysis, methylation analysis, uronic acid reduction and partial acid hydrolysis) and spectral analysis ( IR, NMR, ESI-MS), the structural characterization of SC3 was investigated. 方法利用化学方法(糖组成分析、甲基化分析、糖醛酸还原及部分酸水解)和光谱方法(IR,NMR,ESIMS)分析其结构特征。
In the medium of hydrochloric acid, the titania in Ti ore can be determined by using ascorbic acid as reduction of Fe, methane as developer and water as comparison. 叙述了在盐酸介质中,用抗坏血酸还原铁,以二安替吡啉甲烷作显色剂,水作参比测定钛矿中的二氧化钛。
The effect of potassium borohydride on ester and carboxylic acid reduction was introduced. 研究了硼氢化钾对酯和羧酸的还原作用。
The investigation mainly focused on the effect of seed age, inoculation, initial pH, rotation, concentration of fishmeal wastewater, compositions of fermentation medium and the ratio of carbon to nitrogen on lactic acid production, COD reduction and biomass formation. 以合成培养基和鱼粉废水替代培养基为原料,考查了种龄、接种量、摇床转速、初始pH、鱼粉废水浓度、培养基组成、碳氮比等因素对菌株生成乳酸的影响。
We can find the best techniques parameter of acid dispose and weight reduction treatment with alkali if we do it using orthogonal experiments. 在酸处理和碱减量处理中采用正交试验法得出酸处理和碱减量的最佳工艺条件。
Synthesis of DL-Phenylalanine from Phenylpyruvic Acid by Reduction Amination over Pd/ C Catalyst 苯丙酮酸在Pd/C催化剂上还原胺化合成DL-苯丙氨酸
Effects of Balanced Amino Acid Diets on the Reduction of Odor Substance in Faeces of Layer 氨基酸平衡的低蛋白和杂粕日粮对蛋鸡粪中臭味物质含量的影响
Production of phosphoric acid by one-step smelting reduction process 一段熔融还原法制取磷酸
Auto-combustion was a heterogeneous process, NO3~-and citric acid had oxidation-reduction, gel had certain autocatalysis and citric acid not complexed might be decarbonized; 自燃烧过程是一个非均匀过程,NO3与柠檬酸盐发生原位氧化还原反应,干凝胶具有一定的自催化热分解行为,络合不完全的柠檬酸可能发生了脱碳分解;
Meanwhile, some indexes such as the activity of chondriosome succinic acid dehydrogenase and TTC reduction dehydrogenase and the Oxygen consumption by respiration were determined, and the Arrhennious& plot is presented. 同时又测定与种子膜结构有关的指标,如线粒体琥珀酸脱氢酶和TTC还原脱氢酶活性及呼吸耗氧量,并绘出阿雷尼厄斯图。
Under the irradiation of the metal halide lamp, the decoloration of Acid Red F-3GL and reduction of Cr ( VI) occurred in mixed wastewater. 实验表明,在卤灯照射下,Cr(VI)和F-3GL混合溶液能实现Cr(VI)的还原和F-3GL的脱色;
Study on the Experiment of Ester and Carboxylic Acid Reduction with Potassium Borohydride 硼氢化钾对酯和羧酸的还原反应的研究
Cu-Fe Catalysts Modified by Rare Earths for Preparation of High Alcohols from Fatty Acid Esters Reduction 制备高碳醇稀土改性Cu-Fe催化剂
By using polyvinyl alcohol as disperse agent, Au-and Pt powders were prepared respectively by reduction of chlorauric acid to Au with ascorbic acid and reduction of chloroplatinate to Pt with hydrazine. 用聚乙烯醇作分散剂,抗坏血酸作还原剂,将氯金酸还原到Au;以水合肼作还原剂,将氯铂酸盐还原到Pt,分别制备了Au粉和Pt粉;
METHODS: The content of nitrite/ nitrate ( NO 2-/ NO 3-) in out-flowing pulmonary blood ( OPB) was assayed by nitric acid reduction method. 方法气管内滴注博莱霉素,用硝酸还原法检测出肺血NO2-/NO3-含量;
The title flake micro copper powder ( particle size 1~ 10 μ m) has been developed by use of chemical reduction process and ascorbic acid as reduction agent and ammonia as complex compound. 采用化学还原法,以抗坏血酸为还原剂,氨水为络合剂,制备了片状超细铜粉(粒径1~10μm)。
Methods: The protein molecule design included truncation at N_terminal, replacement of basic amino acid and reduction of the number of cysteine. 方法:分子改造包括以下内容:分子截短,突变碱性氨基酸,减少半胱氨酸的数目等。
Hyperuricemia is a purine metabolic disorders are associated with the metabolic syndrome and diabetes, one closely related diseases, mainly because of too much or renal excretion of uric acid reduction. 高尿酸血症是嘌呤代谢障碍性疾病,也是与代谢异常综合征和糖尿病密切相关性疾病之一,其主要原因是尿酸生成过多或肾脏排泄减少。
The double heterostructures ( Ag nanoparticles@ TiO2 nanoparticles@ TiO2 nanobelts) were prepared by the combination of sulfuric acid corrosion and photocatalytic reduction method. The photocatalytic properties of different double heterostructures were also studied. 通过硫酸溶液腐蚀和光催化还原相结合的方法制备Ag纳米颗粒@Ti02纳米颗粒@Ti02纳米带表面双异质结构,并研究了不同产物的光催化性能。