Maybe when the reaction scale comes to an extent, the harsh potassium carbonate will not be suspended well in the solvent system ( Acetontirle) where almost no potassium carbonate was dissolved. 可能是粗糙的颗粒碳酸钾不能很好的悬浊在乙腈里,碳酸钾在乙腈中叶几乎是不容的。
This is how I found you I would like to enquire about your Potassium Carbonate if possible. 可能的话,我想咨询贵公司的碳酸钾的有关情况。
Ion exchange process with three serial columns in production of potassium carbonate 碳酸钾生产中三柱串联离子交换工艺研究
Virtually in small scale reaction which act was efficacious, so no being on to potassium carbonate could bring some trouble to this reaction. 因此一直没有意识到碳酸钾可能带来些麻烦当反应放大到一定规模。
Aqueous two-phase extraction of 2,3-butanediol by ethanol/ potassium carbonate system from Dioscorea zingiberensis fermentative broths 乙醇/碳酸钾双水相萃取盾叶薯蓣发酵液中的2,3-丁二醇
The output of potassium carbonate and xylitol takes the first place in China. 碳酸钾、木糖醇产品产量居全国首位;
Testing the Content of Chloride in Industrial Potassium Carbonate with Silver Nitrate and Spectrum Photography 硝酸银分光光度法测定工业碳酸钾中氯化物的含量
Effect of Potassium Carbonate and Sodium Bicarbonate on Anatomical Structure of Alfalfa 碳酸钾与碳酸氢钠对苜蓿茎叶解剖结构的影响
Moreover, some suggestions were given for the development of potassium carbonate industry in China. 通过对我国碳酸钾工业现状进行分析,对其今后发展提出建议。
The results showed that the potash fertilizer can be synthesized with desiliconized slag and potassium carbonate, and is composed of amorphous potassium containing compounds. 结果表明,利用铁水脱硅渣和碳酸钾为原料可以合成钾肥;
Coumarin has been synthesized in Perkinreaction of acetic anhydride and salicylaldehydecatalyzed by anhydrous potassium carbonate. 用无水碳酸钾代替无水醋酸钠催化合成了香豆素。
And then the catalytic activity of potassium carbonate and supported potassium carbonate catalysts has been systemically studied. 然后,对碳酸钾及负载型碳酸钾的催化性能进行了系统研究。
Thermodynamic calculation method is proposed for the adiabatic flash process of hot potassium carbonate solution. 提出热钾碱溶液绝热闪蒸过程的一种热力学计算方法。
Test of extracting potassium carbonate and white carbon black from potassium-rich rock 由富钾岩石合成沸石的母液提取碳酸钾和白炭黑的实验研究
In potassium carbonate, potassium fluoride and potassium hydroxide alkaline electrolyte, dissolution of zinc oxide was reduced and cyclic life of negative electrodes were prolonged. 采用碳酸钾、氟化钾和氢氧化钾混合电解液,减少了氧化锌在碱性电解液中溶解度,延长了锌负极的循环寿命。
Effect of cl~-and galvanic corrosion on performance of carbon steel in hot potassium carbonate solution 氯离子和电偶腐蚀对碳钢在热钾碱溶液中腐蚀的影响
Some proposals about prepassivation of mild steel equipments in hot potassium carbonate CO_2-stripping systems are suggested. 从理论上对热钾碱脱碳系统碳钢设备的预钝化工艺提出了建议。
From tung shell can be produced active carbon, potassium carbonate and furfural. 桐籽壳能制成碳酸钾、活性碳、糠醛等。
The study objects of this paper included: ﹝ inc negative electrodes prepared by zinc oxide, calcium zincate, compound of zinc oxide and barium hydroxide; ( 2) potassium carbonate, potassium fluoride and potassium hydroxide alkaline electrolyte. 本文的研究对象为:①由氧化锌、锌酸钙、氧化锌和氢氧化钡混合物制备的锌负极②碳酸钾、氟化钾和氢氧化钾混合碱性电解液。
Perkin Reaction of Furfural with Acetic Anhydride Catalyzed by Anhydrous Potassium Fluoride and Anhydrous Potassium Carbonate 无水氟化钾和无水碳酸钾催化糠醛与乙酸酐的Perkin反应
Polyol/ potassium carbonate water based drilling fluid; 聚合醇/碳酸钾水基钻井液;
Aspen Plus program was used for ammonia volatilization process in the production of potassium carbonate. 同时用aspenplus软件模拟计算离子交换法生产碳酸钾除氨工艺。
Potassium cyanate was prepared by reacting potassium carbonate with urea in a suitable solvent. 以工业碳酸钾和尿素为原料,采用适宜的溶剂合成氰酸钾。
Approach of Process on Preparing Potassium Sulfate Waste Industrial Sulphuric Acid and Hot Potassium Carbonate 由工业废硫酸和热钾碱液制硫酸钾工艺探讨
Experimental Study of Ammonia Volatilization Technics in the Production of Potassium Carbonate with Non-Carbonization Ion-Exchange Method 离子交换免碳化法生产碳酸钾中挥氨工艺实验研究
A series of3-arylpropenoic acids were prepared by using the Perkin reaction from aromatic aldehyde with potassium carbonate as catalyst. 研究了以无水碳酸钾作催化剂,芳香醛与酸酐反应合成3芳基丙烯酸,用对甲苯磺酸催化酯化反应合成3芳基丙烯酸酯。
At present, the main method used in China in the production of potassium carbonate is ion-exchange method. 目前国内碳酸钾生产的主要方法是离子交换法。
The results are summarized as follows: 1. The effect of four kinds of promoters ( potassium carbonate, EDTA, potassium sodium tartrate tetrahydrate, succinic acid) were investigated, further discussion about the activate species and the principles of selecting promoters were carried on. 结果如下:1.研究了四种助剂(碳酸钾,EDTA,酒石酸钾钠,丁二酸)对甲醇气相氧化羰基化催化剂性能的影响,并对催化剂活性物种的类型和助剂选择方法进行了探讨。