• The experiments show that the normal pressure two-section acid hydrolysis is obviously superior to concentrated acid hydrolysis.

    结果显示常压两段水解工艺的效果明显优于酸水解。

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  • The main equipment such as stainless steel converter, fire tube boiler, main blower and concentrated acid pumps were made at home.

    主要设备不锈钢转化器锅炉鼓风机硫酸泵等国产

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  • The acid stocking unit is used to mix water and concentrated acid in order to maintain the acidity of the detergent throughout the process of cleaning.

    酸性溶液存贮单元用以酸性浓缩液混合至固定浓度并整个清洗循环中保持浓度

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  • If accidentally stained with paint, you can use gasoline cleaning, attention: do not spray concentrated acid, strong alkali and other strong corrosive substances.

    不慎沾染油漆可以使用汽油清洗注意请勿喷洒腐性物品。

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  • The PCB wastewater of Dajin Electronic Co. , Ltd is divided into washing wastewater, organic wastewater with high concentration, complexed wastewater, concentrated acid waste liquor etc.

    本文介绍达进电子有限公司PCB废水分为清洗废水、有机废水、络合废水、废液废水。

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  • Hydrolysis is an important step for bioconversion of woody biomass to ethanol. Hydrolysis technology includes dilute acid hydrolysis, concentrated acid hydrolysis and enzymatic hydrolysis.

    水解利用木质生物资源以生物转化法制取乙醇重要步骤,水解技术主要包括水解、酸水解水解。

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  • When TTA is used to extract zirconium in uranium, the combination of zirconium and TTA is very strong, the concentrated acid of nitric acid and hydrochloric acid can not destroy their combination.

    TTA萃取分离,TTA对锆螯合作用很强硝酸盐酸酸溶液不能破坏它们之间的整合,即对锆的反萃取非常困难。

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  • The application and research of concentrated lactic acid bacteria starter culture were summarized, with the analysis for different processing methods.

    总结浓缩乳酸菌发酵应用研究概况,并不同加工方法加以分析

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  • The catalytic stability and activity of supported palladium in hydrodechlorination were improved when the activated carbon supports were pretreated with concentrated nitric acid.

    活性炭载体硝酸氧化处理明显提高负载型钯催化剂催化活性催化稳定性

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  • The property of concentrated MAP slurry, which is made from wet phosphoric acid and mid grade phosphate rock, is studied.

    研究了中品位磷矿湿磷制得的浓缩磷铵料浆进行氨二次中和特性

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  • The resulting solution was cooled on an ice bath and 130 ml. of concentrated hydrochloric acid was added drop wise.

    得到的溶液冰水冷却将130毫升硫酸逐滴滴入。

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  • By the use of the new nitrating agent, the use of concentrated sulfuric acid was avoided and the reaction was environmental friendly with high atom economy.

    方法通过改变硝化,不仅成功地避免了硫酸使用而且提高原子经济性,具有良好环境效益。

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  • Two processes with concentrated sulfuric acid recently appeared are reviewed.

    新近出现两个硫酸水解工艺进行述评。

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  • White crystal or offwhite powder, undissolving in water or alcohol, dissolving in concentrated sulphuric acid or hydrochloric acid or ammonia or potassium iodide.

    白色结晶灰白色粉末,见光易分解变成棕黄色。不溶于乙醇。溶于硫酸盐酸,亦溶于氨水碘化钾

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  • To analyze the status of supply & demand, price and imports & exports of Concentrated nitric acid.

    分析硝酸市场供需情况价格进出口情况。

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  • Thermal and thermo-oxidative degradation of chitin with ammonium nitrate, ammonium sulfate and concentrated sulfuric acid were studied.

    讨论硝酸铵硫酸铵硫酸自制甲壳素降解和热氧化降解过程的影响

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  • The soluble multi walled carbon nanotube (MWNT) is prepared by heating the mixture of original MWNT with concentrated nitric acid.

    加热碳管硝酸混合物方法制备了可溶性多壁碳管

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  • After concentrated phosphoric acid to be concentrated.

    再经过浓缩得到磷酸

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  • Preparation of methyl acetate from methanol and acetic acid by reactive rectification was investigated with concentrated sulfuric acid as catalyst.

    在中试反应精馏塔硫酸催化剂进行了醋酸甲醇反应制备醋酸甲酯试验。

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  • Another part of limpid phosphoric acid after removing subsiding sludge was concentrated and neutralized to produce granular DAP.

    一部分沉出淤渣清澈磷酸浓缩中和磷酸二铵

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  • Compared with conventional concentrated sulfuric acid catalyst, CC-1 featured much higher selectivity and easier operation.

    传统硫酸催化剂相比CC - 1催化剂具有优异的选择性,操作更简便。

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  • The carbon fiber-reinforced Polylactide (C/PLA) was prepared for bone fracture fixation, and the carbon fiber was treated by surface soakage with concentrated nitric acid.

    制备碳纤维增强聚乳酸C/PLA骨折内固定材料碳纤维进行硝酸表面处理。

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  • The extraction raffinate can be concentrated by one-stage evaporation to obtain sulfuric acid with 80% of mass fraction.

    余液一次性蒸发浓缩得到质量分数80%以上硫酸

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  • Preparation of pod solution: cutting stem and lid of108different concentrated folacin acid into pieces and mixed from9cans of each group with12groups in total.

    12组9瓶共108瓶经不同浓度叶酸处理银针菇的菌、菌混匀后,从每份样品称取0。

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  • Preparation of pod solution: cutting stem and lid of108different concentrated folacin acid into pieces and mixed from9cans of each group with12groups in total.

    12组9瓶共108瓶经不同浓度叶酸处理银针菇的菌、菌混匀后,从每份样品称取0。

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