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50 Newest Publications about the topic process control
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Analysis of the Stability of Metal Working Fluid Emulsions by Turbidity Spectra
06-06-2013 | B. Glasse, C. Assenhaimer, R. Guardani, U. Fritsching, Chemical Engineering & Technology, 2013
Abstract The physical stability of emulsions can be related to changes in the droplet size distribution over time. Stability control of emulsions used as metal working fluids is an important factor for the machining industry due to the decreased performance of aged and broken emulsions. ...
Evaluation of Light-Off Limits for a Novel Oxy-Combustion Process for Enhanced Oil Recovery (EOR)
28-05-2013 | Christopher R. Shaddix; Ethan S. Hecht; William G. Houf; Charles K. Westbrook; Lynn Tessier; Fred Schneider, Energy & Fuels, 2013
A pressurized oxy-fuel burner is being developed for the down-hole generation of hot CO2 and steam for direct injection into heavy oil deposits or depleted oil reservoirs. This approach offers efficiency benefits and reduced CO2 emissions in comparison to existing technologies that rely on ...
Nanoscale characterization and metrology
22-05-2013 | Alain C. Diebold, Journal of Vacuum Science & Technology B, 2013
This paper will take a “From the Lab to the FAB” approach for discussing the measurements and applications of nanoscale characterization and metrology. The nanoscale dimensions of features found in semiconductor materials and devices provide many challenges for characterization of physical ...
Sintering of Multilayered Porous Structures: Part I‐Constitutive Models
21-05-2013 | Eugene Olevsky, Tesfaye Tadesse Molla, Henrik Lund Frandsen, Rasmus Bjørk, Vincenzo Esposito, De Wei Ni, Aleksandra ..., Journal of the American Ceramic Society, 2013
Theoretical analyses of shrinkage and distortion kinetics during sintering of bilayered porous structures are carried out. The developed modeling framework is based on the continuum theory of sintering; it enables the direct assessment of the cofiring process outcomes and of the impact of ...
Complexation of Triptycene‐Derived Macrotricyclic Host with Bisparaquat Derivative and Self‐Folding Guest: A Switchable Process Controlled by K+ Ions
29-04-2013 | Ying Han, Jiabin Guo, Jing Cao, Chuanfeng Chen, Chinese Journal of Chemistry, 2013
Abstract Triptycene‐derived cylindrical macrotricyclic host with two dibenzo‐30‐crown‐10 cavities could form stable 1:1 complexes with not only polyether linked bisparaquat derivative but also a self‐folding A‐D‐A guest in solution and/or solid state. Moreover, it was found that ...
Monitoring the conversion of soybean oil to methyl or ethyl esters using the refractive index with correlation gas chromatography
15-04-2013 | Author(s): Regina.C.R. Santos , Rômulo B. Vieira , Antoninho Valentini, Microchemical Journal, 2013
Publication date: July 2013Source:Microchemical Journal, Volume 109 Author(s): Regina.C.R. Santos , Rômulo B. Vieira , Antoninho Valentini A simple method (refractive index) was applied to monitor the progress and the end point of the transesterification reaction of soybean oil to ...
Free surface electrospun fibers: The combined effect of processing parameters
28-03-2013 | Wanli Han, Deogratias Nurwaha, Chulin Li, Xinhou Wang, Polymer Engineering and Science, 2013
Abstract In this study, a free surface electrospinning experimental setup was developed based on rotating spiral copper wire electrode and used as the spinneret. The scheme was investigated by varying processing parameters including polymer solution concentration, distance between the ...
Direct observation of morphological development during the spin‐coating of polystyrene‐poly(methyl methacrylate) polymer blends
27-03-2013 | Daniel T. W. Toolan, Ehtsham ul Haq, Alan Dunbar, Stephen Ebbens, Nigel Clarke, Paul D. Topham, Jonathan R. Howse, Journal of Polymer Science Part B: Polymer Physics, 2013
ABSTRACT We present results of the direct observation, in real‐space, of the phase separation of high molecular weight polystyrene and poly(methyl methacrylate) from ortho‐xylene using our newly developed technique of high speed stroboscopic interference microscopy. Taking a fixed ...
β‐Cyclodextrin‐Functionalized Gold Nanoparticles/Poly(L‐cysteine) Modified Glassy Carbon Electrode for Sensitive Determination of Metronidazole
21-03-2013 | Yue Gu, Weilu Liu, Ruixue Chen, Li Zhang, Zhiquan Zhang, Electroanalysis, 2013
Abstract A simple electrochemical method was developed to determine metronidazole based on β‐cyclodextrin‐functionalized gold nanoparticles/poly(L‐cysteine) modified glassy carbon electrode (β‐CD‐GNPs/poly(L‐cys)/GCE). The electropolymerized film of poly(L‐cys) provides a stable matrix ...
Mean Particle Diameters. Part VII. The Rosin‐Rammler Size Distribution: Physical and Mathematical Properties and Relationships to Moment‐Ratio Defined Mean Particle Diameters
05-03-2013 | Maarten Alderliesten, Particle & Particle Systems Characterization, 2013
The Rosin‐Rammler particle size distribution is used for a broad range of applications. Physical and statistical properties of the Rosin‐Rammler distribution and its parameters were investigated to evaluate their suitability in the particulate area. The Rosin‐Rammler volume density ...
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