搜索结果: 106-120 共查到“知识库 化学反应工程其他学科”相关记录191条 . 查询时间(2.891 秒)
基于过氧化氢制备生产二氧化氯的过程开发研究
chlorine dioxide waste acid treatment process design environmental benign
2009/3/9
paper presents a process development and design of chlorine dioxide production based on hydrogen peroxide. The process is characterized by cleaner production, high efficiency, and waste minimization...
基于绿色化工的化学反应路径选择
绿色化工 化学反应 生产工艺 污染物
2009/3/9
In the preliminary stage of chemical process design, the choice of chemical reaction route is the key design decision, and the concepts of atom utilization and environmental quotient have become extre...
A novel method to prepare macroporous TiO2 ceramic, based on membrane emulsification was reported. To solve the paradox between the instability of nonaqueous emulsion and long emulsification time re...
Kinetic data of methane hydrate formation in the presence of pure water, brines with single salt and mixed salts, and aqueous solutions of ethylene glycol(EG) and salt+EG were measured. A new kineti...
On the basis of hydrodynamic and scaling-up studies, a pilot-plant-scale thermal spouted bed reactor (50 mm in ID and 1500 mm in height) was designed and fabricated by scaling-down cold simulators. It...
A brief review of Fischer-Tropsch synthesis specially in slurry reactors is presented, covering reaction kinetics, activity and selectivity of catalysts, product distribution, effects of process par...
A methodology is presented to identify environmental impact minimization alternatives for reaction processes and assess their environmental performance. The potential environmental impact (PEI) sche...
聚乳酸微球的结构和释放性能关系及其模型的研究
释放性能 聚乳酸微球
2009/3/6
An oil-in-water (O/W) solvent evaporation method was used to prepare biodegradable microspheres based on poly(D,L-lactic acid) (PLA). Nifedipine, a hydrophobic drug, was chosen as a model molecule in ...
聚乙烯醇(PVA)和聚乙二醇(PEG)对氧化铝料浆剪切屈服应力-Ph曲线的影响
polyvinyl alcohol polyethylene glycol shearing yield stress pH value
2009/3/6
The pH dependence of the extrapolated shear yield stress for Alcoa A16 α-Al2O3 suspensions at the powder volume fraction of 0.27 with and without addition of both polyvinyl alcohol (PVA) and polyethyl...
An experimental system was setup to study the pressure field of unconfined vapor cloud explosions.The semi-spherical vapor clouds were formed by slotted 0.02 mm polyethylene film. In the center of t...
超声化学反应工艺与工程
超声化学反应工艺 超声化学反应器 超声应用 生产工艺
2009/3/5
超声反应技术比传统有机合成方法更方便和易于操作，可在较温和条件下进行反应，具有反应时间短、产率高，甚至可引起某些在传统条件下不能进行的反应；利用超声技术可制备、再生催化剂，所得催化剂具有纯度高、表面积大、活性组分分散均匀且活性高等优良性能。超声反应技术可用于液-液均相，气-液、液-液、液-固、气-液-固多相反应等，对氧化、还原、加成、取代、偶合、缩合、歧化、水解等反应类型均有促进反应、降低反应温度...
氯化2,3,5-三苯基-2氢-四唑及2,4,6-三(2-吡啶基)-s-三嗪在HCl中对碳钢的缓蚀作用
corrosion inhibition quantum chemistry electrochemical measurement
2009/3/5
Electrochemical measurement, quantum chemical method, and scanning electron microscopy (SEM) were performed to investigate the inhibitive effect of 2,3,5-triphenyl-2H-tetrazolium chloride (TTC) and 2,...
利用最大泡压法研究扩散控制的溶液表面吸附动力学
扩散控制系统 吸附动力学 动表面张力
2009/3/4
In studying the diffusion-controlled adsorption kinetics of aqueous surfactant solutions at the air/solution surface by means of the maximal bubble pressure method, Fick’s diffusion equation for a sph...
The solid-liquid equilibrium of benzoic acid derivatives in 1-octanol was first determined in this article. Using a laser monitoring observation technique, the solubility data of o-amino-benzoic acid,...