有机酯

  • 网络organic ester
有机酯有机酯
  1. 对混合有机酯水玻璃砂硬化速度控制的研究

    Study on the control of HARDENING-SPEED of mixed organic esters water-glass sand

  2. 通过对凝胶时间的测定和红外光谱分析,研究了在室温和强碱性条件下,有机酯加速酚醛树脂的固化反应机理。

    By measuring gel time and analyzing infrared spectroscopy , the curing acceleration mechanism of Phenol formaldehyde resin by organic esters at very alkaline and indoor temperature was investigated .

  3. 确定了聚氧化乙烯改性水玻璃粘结剂的基本组分,测试了有机酯自硬和CO2气硬型砂的常温粘结强度和高温残留强度。

    The fundamental ingredients of PEO modified sodium silicate binder are determined , and the bonding strength in room temperature and retained strength in high temperature of ester cured sand and CO2 hardening sand are tested .

  4. 有机酯水玻璃自硬砂技术改造实践

    The Practice of Organic Ester Sodium Silicate Self-Hardening-Sand Technical Transformation

  5. 杂多酸在合成有机酯上的催化应用

    Catalytic Application of Heteropoly Acid on Synthesis of Organic Ester

  6. 有机酯水玻璃自硬砂在铸铁件上的试验与应用

    Experiment and Application of Organic Ester-Sodium Silicate Self-hardening Sand on Iron Castings

  7. 有机酯加速碱性酚醛树脂凝胶反应机理的研究

    Mechanism of curing acceleration of Alkaline Phenol-formaldehyde resin by esters

  8. 有机酯水玻璃自硬砂在实型铸造中的应用

    Application of Organic Grease Water Glass Self Curing Sand in Full Mold Casting

  9. 铸造用有机酯固化剂合成工艺条件及装置选择

    Choice of the Condition and Device to Produce Organic-ester for Foundry Firming Agent

  10. 有机酯水玻璃砂工艺试验研究

    Experimental Study on Organic Ester Selfhardening Sodium Silicate Sand

  11. 有机酯硬化水玻璃砂的应用

    Application of Organic Ester Hardening Water Glass Sand

  12. 有机酯硬化剂对水玻璃砂的影响

    Influence of Organic Esters on Sodium Silicate Sand

  13. 无废砂排放的有机酯水玻璃砂工艺及旧砂再生设备

    Process of Sodium Silicate Sand by Organic Ester Hardening Without Waste Sand and Machine for Used Sand

  14. 有机酯水玻璃自硬砂和呋喃树脂砂的应用特性效果分析

    Application Characteristics and Effectiveness Analysis for Both the Organic Ester Hardened Sodium Silicate Bonded Self-Hardening Sand and the Furan Resin Bonded Sand

  15. 有机酯在低酒精度水溶液中的贮存变化分析

    An anlysis of change of organic ester in the mixed solution that included low-degree alcohol and water in the course of store

  16. 提出了适合有机酯快速硬化水玻璃转移涂料的制备工艺和性能要求,研究了自硬水玻璃转移涂料直接转移的造型工艺。

    A new casting technology of self hardening transferring ( non-occupying ) coating was studied systematically and preparation process and property of sodium-silicate ester hardening sand transferring coating was put forward .

  17. 合成基密闭液是一种以有机酯为连续相,以增塑树脂为主要成膜材料的新型密闭液。

    The syn - thetic-based sealing fluid is a new type of sealing fluid , and the continuous phase of which is an organic ester with a plasticizing resin serving as the main film-forming material .

  18. 众所周知,简单酸与醇的酯化和转酯反应在有机酯的生产中,尤其是在有机、生物有机、药物工业和相关的精细化学品合成中扮演着重要角色。

    It is well known that direct esterification of carboxylic acid / alcohol and transesterification of ester / alcohol play important roles in the production of organic esters , especially for some important products and intermediates in the organic , bioorganic , pharmaceutical industries and related fine-chemical synthesis .

  19. 根据酯硬化水玻璃的实际使用情况,采用正交试验法,研究分析了水玻璃加入量、有机酯加入量及型砂水分含量对酯硬化水玻璃砂性能的影响,找到了最佳工艺参数。

    Based on the application practice of ester-hardened sodium silicate sand and by adopting orthogonal experiment , the influences of sodium silicate addition amount , the organic ester addition amount and the moisture content of the sand mixture on properties of the ester-hardened sodium silicate sand were investigated and analyzed .

  20. 碱性催化剂上由CO2合成有机碳酸酯的研究进展

    Studies on the synthesis of organic carbonates from CO_2 over basic catalysts

  21. CO2参与的电化学合成有机碳酸酯

    CO_2 Involved in the Electrosynthesis of Organic Carbonate

  22. 碳酸二乙酯(DEC)是重要的有机碳酸酯,具有广泛的应用前景。

    As an important organic intermediate , diethyl carbonate ( DEC ) has a wide application prospect in many industrial fields .

  23. 碳酸二苯酯,简称DPC,是一种应用广泛的绿色有机碳酸酯。

    Diphenyl carbonate , short for DPC , is a green organic carbonate , which is used in many fields .

  24. 碳酸二苯酯(简称DPC)是一种重要的有机碳酸酯,它低毒、无污染,是非光气法合成聚碳酸酯(PC)的重要化工中间体之一。

    Diphenyl Carbonate ( DPC ), an important aromatic carbonate , is indispensable to produce polycarbonate using non-phosgene processes , which is a pollution-free and environmental benign method .

  25. GSBT高效多功能有机棚酸酯润滑油添加剂是一种主体组分为含硫、磷、氮等元素的复合硼剂。

    The high-effective multifunctional lube oil additive ( GSBT ), being a borates com-plex containing S , P and N , was evaluated on SRV and four-ball testers .

  26. 芸香酸有机锡酯的红外光谱研究

    A Study on infrared Spectra of Organotin Esters of Terebic Acid

  27. 高效多功能有机硼酸酯润滑油添加剂的研究

    Study on a high-effective multifunctional Organic Borates lube oil additive

  28. 含氮有机硼酸酯润滑添加剂与其他添加剂协同作用考察

    The interaction of organic borate ester containing nitrogen with other lubricant additives

  29. 有机硼酸酯润滑油减摩抗磨添加剂

    Friction - Reduction and Antiwear Oil Additive of Organic Borates

  30. 碳酸二苯酯是一种重要的有机碳酸酯。

    Diphenyl carbonate is an important aromatic carbonate .