Browsing by Author "Cheng, Zhengdong"

Now showing items 1-20 of 118

    • Aerosol Condensational Growth in Cloud Formation 
      Geng, Jun (2010-10-12)
      A code for the quasi-stationary solution of the coupled heat and mass transport equations for aerosols in a finite volume was developed. Both mass and heat are conserved effectively in the volume, which results in a ...
    • Amorphous silicon thin film transistor as nonvolatile device. 
      Nominanda, Helinda (Texas A&M University, 2008-10-10)
      n-channel and p-channel amorphous-silicon thin-film transistors (a-Si:H TFTs) with copper electrodes prepared by a novel plasma etching process have been fabricated and studied. Their characteristics are similar to those ...
    • Amphiphilic nanosheets and methods of making the same 
      Cheng, Zhengdong; Mejia, Andres F.; Diaz, Agustin; Clearfield, Abraham; Mannan, Mahboobul S.; Chang, Ya-wen (United States. Patent and Trademark Office; Texas A&M University. Libraries, 2017-03-07)
      In some embodiments, the present invention provides amphiphilic nanosheets that comprise lamellar crystals with at least two regions: a first hydrophilic region and a second hydrophobic region. In some embodiments, the ...
    • Amphiphilic nanosheets and methods of making the same 
      Cheng, Zhengdong; Mejia, Andres F.; Diaz, Agustin; Clearfield, Abraham; Mannan, Mahboobul S.; Chang, Ya-Wen (United States. Patent and Trademark Office; Texas A&M University. Libraries, 2018-05-15)
      In some embodiments, the present invention provides amphiphilic nanosheets that comprise lamellar crystals with at least two regions: a first hydrophilic region and a second hydrophobic region. In some embodiments, the ...
    • Amphiphilic nanosheets and methods of making the same 
      Cheng, Zhengdong; Cheng, Zhengdong; Mejia, Andres F.; Diaz, Agustin; Clearfield, Abraham; Mannan, Mahboobul S.; Chang, Ya-wen (United States. Patent and Trademark Office; Texas A&M University. Libraries, 2015-03-24)
      In some embodiments, the present invention provides amphiphilic nanosheets that comprise lamellar crystals with at least two regions: a first hydrophilic region and a second hydrophobic region. In some embodiments, the ...
    • Analysis of enhanced flame speed in the transition droplet sizes for n-alkane aerosols generated by electrospray 
      Lin, Yan-Ru; Cheng, Zhengdong; Mannan, M. Sam (Mary Kay O'Connor Process Safety Center; Texas &M University. Libraries, 2016)
      Fire and explosion incidents related to aerosol occur occasionally throughout the industries. However, its hazards are relatively overlooked due to the misconception of that liquids are safe below their flash point. As ...
    • Analysis of programmable molecular electronic systems 
      Ma, Yuefei (Texas A&M University, 2007-09-17)
      The continuing scaling down in size of microelectronics devices has motivated the development of molecular electronic devices, often called moletronics, which use molecules to function as electronic devices. One of the ...
    • Atomistic Simulation of Graphene-Polyurethane Nanocomposite for Use in Ballistic Applications 
      Njoroge, Jean L (2013-08-12)
      Exposure to high impact velocity is the principle limiting factor of material performance in ballistic applications for use in civilian and defense industries. Graphene has emerged as a material of scientific interest due ...
    • Bulk and Adsorption Properties of Surfactant Entrapped in Polyelectrolyte Complex Nanoparticles 
      Zhou, Xilong (2016-08-05)
      With the wide application of nanotechnology in petroleum industry, transportation of nanoparticles in porous media has attracted a growing interest. This thesis focuses on investigating the bulk and adsorption properties ...
    • Chain Dynamics And Layering Within Polyelectrolyte Multilayer Films 
      Selin, Viktar (2018-11-16)
      The current study is focused on understanding main factors affecting dynamics of polymer chains included within layer-by-layer (LbL) films and impact of chain dynamics on film structure. LbL films, or polyelectrolyte ...
    • Characteristics and removal of filter cake formed by formate-based drilling mud 
      Alotaibi, Mohammed Badri (2009-05-15)
      Formate-based mud has been used to drill deep gas wells in Saudi Arabia since 2004. This mud typically contains XC-polymer, starch, polyanionic cellulose, and a relatively small amount of calcium carbonate particles, and ...
    • Colloidal Manipulation of Nanostructures: Stable Dispersion and Self-assembly 
      Sun, Dazhi (2013-12-16)
      This dissertation work addresses two important aspects of nanotechnology - stable dispersion and self-assembly of colloidal nanostructures. Three distinctly different types of nano-scaled materials have been studied: ...
    • Computational Evaluation of Metal-Organic Frameworks for CO2 Capture 
      Yu, Jiamei (2013-03-20)
      Metal-organic frameworks (MOFs), a new class of porous solids comprised of metal-containing nodes linked by organic ligands, have become promising materials for gas separations. In particular, their flexible chemistry ...
    • Confocal microscopy study of colloidal sedimentation and crystallization 
      Beckham, Richard Edward (2009-05-15)
      Colloidal crystallization in sedimenting systems is an incompletely understood process, where the influence of interparticle forces on the three-dimensional (3-D) microstructure remains to be fully elucidated. This ...
    • Continuous Nanoparticle Sizing and Characterization via Microfluidics 
      Meng, Fanxu (2015-04-27)
      High-throughput manufacturing of nanomaterial-based products demands robust online characterization and quality control tools capable of continuously probing the in suspension state. But existing analytical techniques are ...
    • Control of emulsion drop production in flow focusing microfluidics 
      Kim, Haejune (2009-05-15)
      Generating droplets using flow-focusing microfluidics in multiphase flows has reached its limit that it cannot generate submicrometer droplets in size. Flow focusing geometry together with an electric field has been used ...
    • Decontamination Foam for Chemical Spill Mitigation 
      Harding, Brian Zachary (2016-05-27)
      The release of hazardous chemicals poses a threat to individuals in the area of a release and to responders who attempt to limit the damage of the release. For a liquid phase spill, the most common decontamination technology ...
    • Deflagration-to-Detonation Transition (DDT) Studies: Effect of Non-Uniform Obstacle Distribution on DDT 
      Rosas Martinez, Camilo Andres (2016-04-06)
      Most of the previous work has been guided towards the understanding of this phenomenon under a uniform obstacle distribution, i.e., same obstacle shape, blockage ratio, and gap between obstacles. However, industrial ...
    • Design and Construction of a Low Temperature Scanning Tunneling Microscope 
      Chen, Chi (2010-10-12)
      A low temperature scanning tunneling microscope (LTSTM) was built that we could use in an ultra high vacuum (UHV) system. The scanning tunneling microscope (STM) was tested on an existing 3He cryostat and calibrated at ...
    • Design, set up, and testing of a matrix acidizing apparatus 
      Nevito Gomez, Javier (Texas A&M University, 2006-10-30)
      Well stimulation techniques are applied on a regular basis to enhance productivity and maximize recovery in oil and gas wells. Among these techniques, matrix acidizing is probably the most widely performed job because of ...