结果表明，碱性亚硫酸钠法蒸煮脱木素率比较高（比NS法和HS法高，低于KP法）。
The results show that the delignification rate is higher for alkaline sulfite cooking (higher than NS and HS, lower than KP) .
采用电位滴定法改进了测定甲醛含量的中性亚硫酸钠法，并对其准确度和影响因素进行了探讨。
In this paper a potentiometric titration was used to improve the neutral sodium sulfite method for determining the content of formaldehyde, and the accuracy and influential factors were discussed.
本文主要应用活性炭法，过硫酸钠法，碱式氯化铝对制药废水的深度处理进行了实验研究分析。
In this paper, application of activated carbon, sodium persulfate method, PAC depth treatment of pharmaceutical wastewater analysis of the experimental study.
介绍了用溶剂析出法分离间苯二甲酸二甲酯磺酸钠生产废水中硫酸钠和间苯二甲酸二甲酯磺酸钠的新工艺。
A new process using solvent for separating sodium sulfate and dimethyl isophthalate sodium sulfonate from wastewater of dimethyl isophthalate sodium sulfonate production is introduced.
目的：用亚甲基蓝-分光光度法检测重组生物制品中十二烷基硫酸钠（SDS）的含量。
Objective:Using methylene blue spectrophotometric method to determine the content of SDS in recombinant biological products.
本文采用化学当量法研究了季铵树脂在组成接近铀水冶条件的硫酸铀酰-硫酸钠溶液中的吸附平衡。
Adsorption equilibrium on quaternary ammonium resin in uranyl sulphate solution, which is similar to composition used in uranium hydrometallurgy, was studied by chemical equivalent method.
对中性亚硫酸钠-蒽醌法杨木蒸煮废液(NS - L)和碱性亚硫酸钠-蒽醌法落叶松蒸煮废液(AS - L)做锌矿粉的成型粘合剂进行了研究。
Aspen neutral sulfite-anthraquinone pulping waste liquor (NS-L) and Larch alkaline sulfite-anthraquinone pulping waste liquor (AS-L) are used as the adhesive for the forming of zinc ore powder.
用连二亚硫酸钠还原法检测血浆中一氧化碳血（CO）的含量；
Plasma carbon monoxide (CO ) was detected according the method introduced by Chalmers.
采用化学还原法处理含铬离子污水，焦亚硫酸钠作还原剂。
The method of chemical deoxidization was used to treat electroplating wastewater which contains chromium ions, and sodium pyrosulfite was used as reducing agency.
《食品安全法》严禁使用二氧化硫、亚硫酸钠和亚硫酸钾来处理生的畜肉和禽肉，违规经营场所和商家将被处以罚款。
The Food Standards Code does not allow the use of sulphur dioxide, and sodium and potassium sulphites in raw meat, poultry and game and businesses may be fined for using it.
选用硼酸、硫酸钠和聚合硫酸铁进行复配，采用混凝法处理制胶废水，做混凝实验，得出最佳操作条件。
The liquid waste of synthesizing adhesive was treat with boric acid, sodium sulfate and PFS by coagulation. Through a series of experiment, the best operation parameter was gained.
用循环伏安法研究在不同酸度的硫酸钠溶液中，甲醇在铂电极上氧化的电化学行为。
The electrochemical behavior of the methanol oxidation on the platinum electrode with different concentration H2SO4 solution was studied by using cyclic voltammetry.
方法原甲酸三乙酯与氰乙酸乙酯缩合，然后和羟乙基肼经环合、水解等一锅法合成5-氨基吡唑-4-甲酸，然后在亚硫酸钠存在条件下加热脱羧得到5-氨基-1-羟乙基吡唑。
METHODS 5-amino-1-hydroxyethyl pyrazole-4-carboylic acid was synthesized through condensation of ethyl cyanoacetate and triethyl orthoformate followed by one-pot methodology of cyclization, hydolysis.
根据硫酸钠熔炼法处理废合金所得钴渣组成特点 ，通过氧化焙烧、酸分解、水解除杂、沉钴和煅烧等工序制取氧化钴。
Thermodynamic analysis on cobalt removal by potassium permanganate oxidization in leaching solution by sulfuric acid of zinc residue containing cobalt in zinc hydrometallurgy;
根据硫酸钠熔炼法处理废合金所得钴渣组成特点 ，通过氧化焙烧、酸分解、水解除杂、沉钴和煅烧等工序制取氧化钴。
Thermodynamic analysis on cobalt removal by potassium permanganate oxidization in leaching solution by sulfuric acid of zinc residue containing cobalt in zinc hydrometallurgy;
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