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- A new solid acid based on heteropolyacid has been proved to be a useful catalyst for the synthesis of dibutyl maleate. 新催化劑在順丁烯二酸二丁酯的合成反應中顯示很好的活性和溫和的反應條件。
- In comparison to the broad study and application of solid acidic catalysts in chemical technology, much less attention has been paid to solid base catalysts. 雖然與大量研究和使用的固體酸性催化劑相比,有關(guān)固體堿性催化劑的研究和應用要少得多。
- using super-active and super-selective catalysts, such as asymmetrical catalyst,molecular sieve solid acid and base catalysts,biological catalyses; 采用水、超臨界流體、離子液體、氟碳相等無(wú)毒無(wú)害溶劑和固態(tài)反應;
- using super-active and super-selective catalysts, such as asymmetrical catalyst, molecular sieve solid acid and base catalysts, biological catalyses; 采用不對稱(chēng)催化別、分子篩固體酸堿催化劑和生物催化劑等高選擇性、高活性的催化劑；
- The modified titanium base solid acid used as catalyst for the synthesis of tributyl citrate from citric acid and butyl alcohol was investigated in this paper. 以改性鈦基固體酸為催化劑催化合成檸檬酸三丁酯,確定了酯化優(yōu)化條件。
- Etherification of propylene oxide with methanol using MAF solid base catalyst had been investigated. 研究了甲醇與環(huán)氧丙烷在固體堿催化劑MAF存在下非均相合成丙二醇甲醚的過(guò)程。
- Solid acid catalyst can be substituted for sulphuric acid as esterification catalyst. 固體酸催化劑是能夠代替硫酸作為酯化的催化劑。
- It point out th solid acid catalyst that we have atudied are all good catalyst for synthesis of diamyl meleat. 指出固體酸催化劑是催化合成馬來(lái)酸二戊酯的良好催化劑。
- The chief type of acid base unbalance is respiratory acidosis. 酸堿失衡類(lèi)型中 ,呼吸性酸中毒占首位 ;
- Terpineol was conveniently prepared by a new type solid acid catalyst without pollution. 研究了新型固體酸催化劑催化合成松油醇的新工藝。
- The obtained solid base catalyst, which possessed huge specific surface area and good antiacid and waterproof performance, had excellent application prospect. 所制固體堿生物柴油催化劑比表面積大，抗酸、抗水性能好，應用前景良好。
- The solid acid catalyst attracted much attention as the transesterification catalyst in recent research. 固體酸性催化劑作為酯交換的催化劑是當前的研究熱點(diǎn)。
- The variety and characteristics of solid base catalyst were summarized.And the application of solid base catalyst in the transesterification of lipid was discussed. 綜述了固體堿催化劑的種類(lèi)及其特點(diǎn),討論了固體堿催化劑在油脂酯交換反應中的應用。
- Potassium has an important role in the regulation of acid base balance. 鉀在人體的酸堿平衡中起到了重要的作用。
- In this paper, we bring forward a proposition that we can obtained new solid base catalyst through calcined hydrotalcite which contain Ca、Cu、Co in layer and interstitial anions. 本文根據層板組成的可調變性和整體結構與組成均勻性的結構優(yōu)勢，提出合成層板上具有堿性(Ca、Cu、Co)及層間具有不同陰離子的層狀前體，并通過(guò)焙燒此種前體最終得到具有不同堿性特征的新型固體堿催化材料的構想。
- A novel solid acid catalyst,H3PW12O40(HPW) supported on HZSM-5, has been prepared for use in the esterification of acrylic acid(AA) with n-butanol. 制備了負載型疏水性固體酸催化劑H3PW12O40/HZSM-5,并將該疏水性固體酸催化劑用于丙烯酸(簡(jiǎn)稱(chēng)AA)與正丁醇的酯化反應中。
- Solid acid alchlor catalyst was prepared from anhydrous aluminium trichloride through liquid solid solvent method,with pretreated bentonite as support. 以無(wú)水三氯化鋁為原料,并以處理過(guò)的膨潤土為載體,采用液固溶劑法制備固體酸催化劑。
- Carbon nanofiber (CNF) is a novel carbon based catalyst support. 納米碳纖維（CNF）是一種新型的碳基催化劑載體。
- Vapor phase synthesis of 2,3,5-trimethyl phenol from methanol and 3,5-dimethyl-phenol over solid acid catalyst was studied in a fixed bed reactor. 制備并考察了甲醇甲基化法合成2,3,5-三甲基苯酚的固體酸催化劑,進(jìn)行了甲基化反應工藝條件的優(yōu)化研究。
