采用表面粘涂技术提高设备的抗腐蚀性能

通过表面粘涂，对受到腐蚀、冲蚀、气蚀的设备进行表面修补与防护，可提高设备的使用寿命。     

HEAT TRANSFER IN PARTIALLY MISCIBLE TERNARY SYSTEMS

In the study of mass transfer between partially miscible liquids, temperature perturbations have been found to have an important effect in the generation of interfacial activity. Micro- and macro-generated interfacial convection usually occurs in combination with one another even in fairly simple heat or mass transfer events. These combinations are responsible for the enhancement of mass transfer rates. In an effort to acquire a better understanding of the heat transfer effects in ternary liquid-liquid systems, temperature difference profiles were measured when contacting two partially miscible phases. A vertical and a rotational transfer cell were designed to contact the partially miscible phases without inducing external disturbances. Five thermocouples were immersed in the bottom liquid phase at predetermined positions below the interface. In order to understand the influence of the convection generated, the vertical cell was designed to hinder convection in one phase, while the rotational cell permits convection in both phases. The experimental results showed larger temperature differences in the rotational cell after the contact of the phases. Also, systems which were initially unsaturated presented larger heat effects than those in which the partially miscible solvents were initially saturated. Several parameters indicating the importance of heat effects in the ternary systems studied are reported.     

聚砜酰胺的分子量对其超滤膜性能的影响——Ⅲ.热性能

对不同分子量的PSA 材料和由其制成的超滤膜的TGA、DSC 及FTIR 研究表明,PSA 会以氢键的形式吸附水份,被吸附的水份主要以单分子形式存在,双聚或多聚的也有,但较少;并且在温度升到40℃左右将全部游离出来,在120℃左右则全部气化离开PSA。PSA 材料在400℃以上才开始分解,其耐热性能随分子量的增大而降低。凝胶浴不同对PSA 膜的晶态影响不大。     

燕化200kt/a气相法聚丙烯装置技术改造设计

从设计角度对燕化200kt/a气相法聚丙烯装置的技术改造进行了详细分析和说明。装置改造获得了最大的经济效益，为国内同类装置进行技术改造提供了经验。     

Co－Mo／MgO－Al_2O_3一氧化碳耐硫变换催化剂失活原因的探讨

采用程序升温硫化（ＴＰＳ）技术，微反—色谱法（ＭＲＣ）、扫描电镜、透射电镜和其它分析测试手段，对工业应用前后的Ｃｏ－Ｍｏ系耐硫变换催化剂Ｋ８－１１进行了分析，从而对其失活原因进行了分析和讨论     

应用化学专业实践教学模式初探

介绍了以江西农业大学理学院基础化学实验室为基础,以2002级应化专业学生为对象,以培养具有“基础扎实、知识面广、能力强、素质高”的优秀化学人才为目标,改革应用化学专业实践教学内容和方法,改善实验条件.     

Surface photografting polymerization of vinyl acetate,maleic anhydride,and their charge‐transfer complex. VI. Charge‐transfer complex (2)

The photografting copolymerization of a low‐density polyethylene/vinyl acetate (VAC)–maleic anhydride (MAH) binary monomer system was studied from the perspective of dynamics. The total conversion percentage (CP) and grafting conversion percentage (CG) were measured by gravimetry. On the basis of plots of CP and CG as functions of the polymerization time, the total polymerization rate (RP) and grafting polymerization rate (RG) were calculated. In addition, the apparent activation energy (E_a) and the reaction orders of the photografting polymerization under different reaction conditions, such as the total monomer concentration and the concentration of benzophenone (BP), were determined also. The results showed that, in comparison with the photografting polymerization of the two single monomers (VAC and MAH), RP and RG noticeably increased for the VAC–MAH binary monomer system. When the total monomer concentration was kept at 4M, the apparent E_a's of the three photografting polymerization systems were as follows: for VAC ([MAH]/[VAC] = 0/4), E_a's for the total polymerization and grafting polymerization were 41.00 and 43.90 kJ/mol, respectively; for MAH ([MAH]/[VAC] = 4/0, E_a's were 39.65 and 43.23 kJ/mol, respectively; and for the VAC–MAH binary monomer system, E_a's were 34.35 and 40.32 kJ/mol, respectively. These results suggested that the polymerization of the binary system occurred more readily than the other two. The reaction orders of RP with respect to the total monomer concentration of the monomers and the concentration of BP were 1.34 and 0.81, respectively. According to these investigations, it could be inferred that in the binary monomer system, both the free monomers and charge‐transfer complex took part in the polymerization; to the termination of the propagating chains, two possible pathways, unimolecular termination and bimolecular termination, coexisted in this binary monomer system. © 2004 Wiley Periodicals, Inc. J Appl Polym Sci 95: 910–915, 2005     

优选法在选择刀具角度中的运用

应用优选法确定刀具几何参数,优选得γ=20°,主偏角φ=81°,刃倾角λ=20°,使生产率提高3倍。     

双基推进剂硝胺脱湿及其键合剂分子设计

针对双嘶推进剂的能量的民力学性能降低的矛盾，阐述了ＲＤＸ、ＨＭＸ等环硝胺的脱湿现象。键合剂的选择与设计的难度，键合剂的分子主主其相关技术，键合剂的合成探索等问题。     

硫酸或金属氧化物负载的固体超强酸的制备及其在有机合成中的应用研究进展

本文介绍了硫酸或金属氧化物负载的固体超强酸的制备方法、酸强度测定、表面结构表征及其在有机合成中的应用等方面的研究进展。