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1.Study of a process for preparation of acetaldehyde via acetic anhydride hydrogenolysis Ⅱ. kinetics model
酐氢解制乙过程研究I.动力学分析收藏指正
2.Based on the field data of the aldehyde oxidation tower of JiLin Chemical Corporation Acetylith Factory, in connection with the mechanic analysis, the models of the acetic acid, aldehyde, methance acid content of oxidation liquid and CO2 content of tail gas are built by the improved RBFNN.
基于吉林化学工业股份有限公司电石厂酸装置的现场数据,结合机理分析,本文用改进的RBF网络建立乙氧化制酸生产装置氧化液酸含量、乙含量、甲酸含量和尾气CO_2含量软测量模型。收藏指正
3.The intrinsic kinetic behavior of acetic anhydride hydrogenolysis to vinyl acetate via syngas is investigated over a 5wt% palladium/active carbon catalyst. The kinetic model is shown as -dN AdW R=7 32×10 7×exp(-5 76×10 4R·T)×p 0 11 A×p 0 057 (H 2) (molkg·h) Abstract: The result of the study provides a scientific basis for enlarging and designing in the future.
用5%钯/碳负载催化剂,在消除内、外扩散对酐氢解制乙影响的条件下,研究了氢解反应的动力学行为,得到了本征动力学经验方程:-dNAdWR=7.32×107×exp(-5.76×104RT×p0.11A×p0.057(H2)(molkg·h),为今后工艺放大和设计提供了依据收藏指正
4.In the white glue composed by PVA or polyvinyl acetals (protective colloid) and PVAc emulsion, as far as one of the compositions was concerned, the adhesive strength of the polyvinyl acetals solution was larger than that of the PVA solution and the adhesive strength of the PVAc was the smallest.
在由聚乙烯醇或聚乙烯醇缩(保护胶体)及聚酸乙烯乳液构成白乳胶中,以单个成分而论,聚乙烯醇缩溶液的粘接强度最大,聚乙烯醇溶液次之,聚酸乙烯最小。收藏指正
5.By analyzing the HPLC chromatogram and mass spectrum, we fixed on the condition:add 20μl pH4.3 buffer, 2μlβ-glucuronidase to 0.2ml plasma, 37℃constant temperature staying over.
经高效液相色谱、质谱分析,确定替唑尼特结合物的最适酶解条件为0.2ml血浆样中加入20μlpH4.3酸-酸钾缓冲液、2μlβ-葡萄糖酸苷酶(1000U/μl),37℃恒温过夜。收藏指正
6.ACETIC ACID RECOVERY FROM FURFURAT WASTE LIQUOR BY ELECTRODIALYSIS TECHNOLOGY
应用电渗析技术从糠废水中回收收藏指正
7.An IPN hydrogel formed by polyvinyl alcohol and chitosan was synthesized and the effects of the mass ratio of polyvinyl alcohol and chitosan,the volume of acetum,and the concentration of crosslinker on swelling ration were studied.
以聚乙烯醇和壳聚糖为原料合成了聚乙烯醇-壳聚糖互穿网络水凝胶,研究了聚乙烯醇与壳聚糖质量比、溶剂酸溶液体积、交联剂戊二浓度等对聚乙烯醇-壳聚糖互穿网络水凝胶溶胀性能和硬度的影响,得到了最佳合成条件。收藏指正
8.Paracetamol(Par)ip accelerated the formation of liver malondialdehyde(MDA) ,in-creased the content of serum MDA , and enhanced the activity of serum alanine transaminase(ALT) in the dose-response and time- response relationships。
在量-效和时-效关系上,氨酚(Par)ip能加速肝脏丙二本(MDA)生成,增加血清MDA含量,同时提高血清丙氨酸转氨酶(ALT)活性。收藏指正
9.The process of removing acetic acid from furfural wastewater by solvent extraction is studied in this paper.
本文研究了溶剂萃取法去除糠废水中酸的工艺过程。收藏指正
10.Solvent for paints lacquers shell-lac inks adhesives dyestuff cellulose acetate nitro-cellulose ethyl cellulose etc Can also be used in metal cleaning It is also a raw material for chemical synthesis.
用作油漆清漆虫胶油墨胶粘剂染料生物碱酸纤维素硝化纤维素乙基纤维素聚乙烯醇缩丁等的溶剂金属表面清洗剂制造化工产品的重要原料.收藏指正
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