亚硫酸盐法制浆过程中活性化学物质是二氧化硫、硫酸以及酸性亚硫酸钙。
The active cooking chemicals in the sulfite process are sulfur dioxide, sulfurous acid, and calcium bisulfite.
研究气体放电对SO2和亚硫酸盐氧化的影响,采用了直流电源和交直流叠加电源进行气体放电。
Oxidation effects of SO2 and by gas discharge were studied. Powers of both DC and DC superimposed AC were used to generate gas discharge.
通过除氧试验和空气氧化试验,研究了对苯二酚对亚硫酸盐的稳定作用。
The inhibition of hydroquinone on sulfite oxidation was investigated by oxygen removal and air oxidation tests.
试验结果为亚硫酸盐氧化的自由基机理提供了有力的证据,也为防止亚硫酸盐的贮存失效提供了有效的方法。
The test results provided important evidences for the free radical chain mechanism of sulfite oxidation and an effective method to prevent sulfite from failure in storage.
本研究工作对深入了解亚硫酸盐氧化反应机理,寻求低费用、低能耗的促进硫酸正盐生成技术等具有重要的意义。
The study was significant to look through the oxidation mechanism of sulfite, and explore the promoted oxidation technology of sulfite with low cost and energy consumed.
试验结果为亚硫酸盐氧化的自由基机理提供了有力的证据,也为亚硫酸盐的贮存失效提供了有效的防止方法。
The test results provide an important evidence for the free radical chain mechanism of sulfite oxidation and also an effective method for preventing sulfite failure during its storage.
试验结果为亚硫酸盐氧化的自由基机理提供了有力的证据,也为亚硫酸盐的贮存失效提供了有效的防止方法。
The test results provided important evidences for the free radical chain mechanism of sulfite oxidation and an effective method for preventing sulfite failure in storage.
通过除氧试验和空气氧化试验,研究了某些物质对亚硫酸盐氧化的阻滞作用。
The inhibition of some materials on sulfite oxidation was investigated by oxygen removal and air oxidation tests.
为评价抗氧剂的抗氧化能力,测定了抗氧剂亚硫酸钠、亚硫酸氢钠及焦亚硫酸钠在水溶液中与氧反应的速率常数。
To evaluate the antioxygenic property of the antioxidants, the oxidation reaction rate constants of sodium sulfite, sodium bisulfite and sodium pyrosulfite in aqueous solutions were determined.
配法是用亚硫酸使品红溶液还原,若有醛酮类存在时便使之氧化而重新呈现品红本身的洋红色。
It is produced by the reduction of fuchsin by sulfurous acid, and is oxidized by aldehydes and ketones, restoring the magenta color of the fuchsin.
通过除氧试验和空气氧化试验,研究了焦儿茶酚对亚硫酸盐自动氧化的阻滞作用。
The inhibition of pyrocatechol on sulfite oxidation was investigated by oxygen removal and air oxidation tests.
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.
电石废水脱硫过程是二氧化硫与氢氧化钠发生化学反应生成亚硫酸钠。
The sulfur removal process of calcium carbide waste water is a chemical reaction between sulfur dioxide and sodium hydroxide.
吸收塔再循环水箱的规格选择要适当,以便为亚硫酸钙氧化成硫酸钙,石膏结晶,降低流液过饱和等提供充足的时间。
The size of the absorber recycle tank will be determined to provide sufficient retention time for oxidation of calcium sulfite to sulfate, gypsum crystallization and desupersaturation of the liquid.
在低浓度亚硫酸盐作用下,小麦幼苗叶片中超氧化物歧化酶(SOD)和过氧化物酶(POD)活性升高;
The superoxide dismutase (SOD)and peroxidase (POD) activities in the wheat seedling leaves were increased affected by the low concentration of sulfite.
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。
The paper introduces the reaction mechanism of oxidating sulfurous acid calcium to gypsum and some factors to influence the reaction process.
以水为溶剂,过硫酸铵-亚硫酸氢钠氧化还原引发体系,研究了低分子质量聚丙烯酸钠的合成。
Syntheses of low - molecular weight polyacrylic acid sodium with water as solvent and APS - SHS as REDOX initiator are studied.
本文研究了落叶松碱性亚硫酸盐蒸煮中,蒽醌及其几种衍生物作为氧化还原性催化剂对蒸煮反应的影响。
The effect of anthraquinone and some derivatives as oxido reductive additives on the cooking result of alkaline sulfite anthraquinone pulping is studied.
研究了以十六胺和三氧化硫脲为原料制备十六胍亚硫酸盐的方法。
The preparation methods of hexadecylguanidium sulfite from hexadecylamine and aminoiminomethanesulfonic acid was studied.
通过对落叶松栲胶进行亚硫酸盐和氢氧化钠的改性,测定其溶液黏度,用不同溶剂进行分级和薄层色谱。
This paper illustrates the reaction of larch bark tannin extracts with sulfite and sodium hydroxide and the tests of its solution viscosity, MW-distribution and thin-layer chromatography.
采用可规模化的流光放电等离子体氧化技术,实现高浓度亚硫酸铵氧化;
A streamer plasma oxidation technique was developed to solve the problem in the oxidation of concentrated ammonium sulfite solution.
硫酸盐还原菌是指一类能把硫酸盐、亚硫酸盐、硫代硫酸盐等硫氧化以及元素硫还原形成H_2S的生理特性细菌的统称。
Sulfate reducing bacteria(SRB)is the bacteria which can reduce sulfate, sulfite and thiosulfate as well as element sulfur into H_2S.
前言:目的:对送检的百合干、杏肉等蜜饯制品进行亚硫酸盐检测,以了解其二氧化硫含量,并提出合理建议。
Objective: to know content of sulfur dioxide and Confect product of dried lily and apricot meat to give reasonable Suggestions.
稻草亚硫酸铵法制浆废液采用氧化氨解的方法,将废液中的铵态氮转化为有机氮。
The nitrogen, which is in ammonium in the ammonia sulfite pulping waste liquor of rice straw, is converted into organic nitrogen by using oxide-ammonium decomposition method.
放出的二氧化硫经石灰乳吸收用来制备亚硫酸氢钙。
The dissipated sulfur dioxide was absorbed by the lime cream and applied for preparation of the calcium hydrogen sulfite.
《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.
讨论了利用亚硫酸盐做氧化剂,在酸性条件下氧化处理制药厂的高浓度含硫废水。
The sulfite oxidation process under acid condition to treat concentrated H 2SO 4 bearing wastewater from pharmaceutical production is described.
实验表明,在样品中加入氢氧化钠,样品中的4-氨基偶氮苯和新鲜配制的连二亚硫酸钠发生反应,使4 -氨基偶氮苯的碳碳双键断裂。
The results showed, in the presence of sodium hydroxide, 4-aminoazobenzene could react with fresh sodium dithionite solution, and broke the carbon - carbon double bond of 4-aminoazobenzene.
用三氧化硫脲和十二胺为原料合成了重十二胍亚硫酸盐 。
Dodecyl guanidine hydrogen sulfite has been synthesized from dodecyl amine and aminoiminomethanesulfonic acid.
用三氧化硫脲和十二胺为原料合成了重十二胍亚硫酸盐 。
Dodecyl guanidine hydrogen sulfite has been synthesized from dodecyl amine and aminoiminomethanesulfonic acid.
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