查询词典 percarbonate

To study the performance of inorganic composite catalyst for the SPC oxidation of p-methyl anisole, Cu2-Co2-KBr is used as catalyst of sodium percarbonate oxidation for p-methyl anisole synthesized by paracresol methylating. Effect of reaction conditions, such as the factors of catalyst composition, catalyst quantity, solvent, reaction temperature and time on oxidation of p-methyl anisole, is investigated.

研究了无机复合催化剂催化SPC氧化对甲基苯甲醚的反应性能：以Cu2-Co2-KBr为催化剂，利用过碳酸钠氧化对甲酚甲基化产物对甲基苯甲醚，系统研究了催化剂组成比例、催化剂用量、溶剂、反应温度、反应时间等因素对反应的影响。

The bleaching performance of the in-situ produced peroxide with sodium perborate and sodium percarbonate on deinked pulp was compared with that of general peroxide in this paper.

介绍了采用过硼酸钠和过碳酸钠就地产生H2O2与通常的采用H2O2水溶液进行脱墨浆漂白效果的比较与评价。

By the state-level key high-tech enterprises - Jinke Technology Group Holdings initiated the establishment of the Company, Ltd., founded in May 2001, is located in China's economy the most dynamic Yangtze River Delta, Hangzhou Bay the south bank of Hangzhou Bay Fine Chemical Park, adjacent to Shanghai Port and Ningbo Port, is the factory covers an area of 880 acres, with more than 600 employees, specializing in the production of sodium percarbonate, tetraacetylethylenediamine, sodium perborate, solid peracetic acid and sodium acetate.

浙江金科化工股份有限公司系由国家级重点高新技术企业－金科科技集团控股发起设立的股份有限公司，创建于2001年5月，地处中国经济最具活力的长江三角洲地区，杭州湾南岸的杭州湾精细化工园区毗邻上海港与宁波港，现厂区占地880亩，拥有员工600余名，专业生产过碳酸钠、四乙酰乙二胺、过硼酸钠（SPB、固体过氧乙酸及醋酸钠。

On the basis of the analytical results of infrared spectrometry,paper chromatography,tyrosine color development reaction and the assay of anti-acid buffer capability,we confirm that chlorine dioxide in stabilized solution with sodium percarbonate as stabilizer exists in the form of chlorition (ClO2-) and exists in NaHCO3-Na2CO3 buffer system. When the stabilizer is sodium perborate,chlorine dioxide may be retained in the solution comprised of H3BO3-Na2B4O7 as a labile complex.

通过对几种样品的红外光谱分析、纸色谱分析、酪氨酸显色反应及抗酸缓冲能力的测定，证实在以过碳酸钠为稳定剂的稳定液中，ClO2以亚氯酸根离子(ClO2-)形式存在，并处在一个由NaHCO3-Na2CO3组成的缓冲体系中；在以过硼酸钠为稳定剂的稳定液中，ClO2可能是以活性配位化合物的形式存在，并处在由H3BO3-Na2B4O7组成的缓冲体系中。

The higher stability of sodium percarbonate with stabilizer is affirmed by kinetic parameters.

由热分解动力学参数可以看出，加入稳定剂的产品比不加稳定剂的产品稳定性好。

Besides, hydrogen peroxide and sodium percarbonate are 50,000 t/y and 10,000 t/y respectively.

通过不断地发展，公司现已成为生产无机化工原料、农用化学肥料、化学试剂、气体等近50余种产品的综合性化工企业，是中国精细磷酸盐重要的生产和出口基地。

Study on the process of producing sodium percarbonate through byproduct of hydrazine hydrate- caustic sludge

采用一种催化剂，用空气对汽油和液化石油气脱硫精制产生的含硫碱渣进行氧化脱硫处理。

The properties, production methods and developing prospects of sodium percarbonate were described in this paper,and the situation of making and developing standards of sodium percarbonate for industrial and food use were also put forward.

综述了过氧碳酸钠的性质、生产方法与发展前景以及工业过氧碳酸钠和食品添加剂过氧碳酸钠标准的制修订情况。

Do acid cleaning or brine flush before high PH cleaning such as caustic or percarbonate

l 在高PH清洗之前，应该把酸清洗干净或用盐水冲洗，如用碱液或者过碳酸盐清洗之前。

The removal effects of cpsaicin,sodium percarbonate,cupric sulfate and cupric glutamate on Alexandrium sp.

为了寻找新型有效的赤潮藻杀灭剂，对辣椒素、过碳酸钠、CuSO4、谷氨酸铜对亚历山大藻LC3的杀灭效果以及表面活性剂对谷氨酸铜杀藻的促进作用进行了研究。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。