نتایج جستجو برای: step coating

تعداد نتایج: 301171  

Journal: :Journal of the American Chemical Society 2016
Wei Liu Dingchang Lin Allen Pei Yi Cui

The widespread implementation of high-energy-density lithium metal batteries has long been fettered by lithium dendrite-related failure. Here we report a new strategy to address the issue of dendrite growth by a polyimide-coating layer with vertical nanoscale channels of high aspect ratio. Smooth, granular lithium metal was deposited on the modified electrode instead of typical filamentary grow...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان - دانشکده مهندسی مکانیک 1392

دراین پایان نامه اعمال شرط مرزی ورود وخروج به روشisphبا الگوریتم fractional step بررسی می شود و ایده ای ارائه می گردد که همه ی الزامات ورودی و خروجی جریان برای روش مبنا ذره ای sph در آن لحاظ می شود. ابتدا سعی می شود نحوه ی اعمال شرایط مرزی ورود/ خروج، برای جریان داخل یک لوله افقی توضیح داده شود ونتایج با حل تحلیلی صحت سنجی می شود. در ادامه از آن برای مدل کردن جریان بر روی پله وارون(backward-fac...

Journal: :Journal of visualized experiments : JoVE 2017
Yinting Wong Dan Zhong Aotian Song Yan Hu

This manuscript proposes a soft-chemistry method to develop superhydrophobic and highly IR-reflective hollow glass microspheres (HGM). The anatase TiO2 and a superhydrophobic agent were coated on the HGM surface in one step. TBT and PFOTES were selected as the Ti source and the superhydrophobic agent, respectively. They were both coated on the HGM, and after the hydrothermal process, the TBT tu...

Immobilised titanium dioxide (TiO2) in membrane structures has recently become attractive. This is due to the elimination of the separation step after the process of photocatalytic degradation. The efficiency of the TiO2 surface area exposed to UV light as the main important parameter needs to be considered. The immobilisation of TiO2 nanoparticles in the polyvinylidene fluoride (PVDF) membrane...

Journal: :Langmuir : the ACS journal of surfaces and colloids 2015
Lynna Chen Harry Z An Patrick S Doyle

We report a simple approach to fabricate custom-shape microcapsules using hydrogel templates synthesized by stop flow lithography. Cargo-containing microcapsules were made by coating hydrogel particles with a single layer of poly-l-lysine followed by a one-step core degradation and capsule cross-linking procedure. We determined appropriate coating conditions by investigating the effect of pH, i...

Journal: :Langmuir : the ACS journal of surfaces and colloids 2007
Christoph Huwiler Tobias P Kunzler Marcus Textor Janos Vörös Nicholas D Spencer

We present a novel approach for the fabrication of tailored nanomorphology gradients on metal oxide surfaces. We first show the direct formation of a nanocolloidal density gradient by a dip-coating process. The obtained silica nanoparticle gradients are then subjected to a heat treatment. Control of this sintering step allows the precise tailoring of the particle morphology on the surface. Both...

Journal: :Chemistry 2016
Jingwen Xu Yan Li Xuemei Zhou Yuzhen Li Zhi-Da Gao Yan-Yan Song Patrik Schmuki

Herein, we use a facile procedure to graft a thin graphitic C3N4 (g-C3N4) layer on aligned TiO2 nanotube arrays (TiNT) by a one-step chemical vapor deposition (CVD) approach. This provides a platform to enhance the visible-light response of TiO2 nanotubes for antimicrobial applications. The formed g-C3N4/TiNT binary nanocomposite exhibits excellent bactericidal efficiency against Escherichia co...

2009
Yusri Yusof

The paper provides a literature review of the STEPNC compliant research around the world. The first part of this paper focuses on projects based on STEP compliance followed by research and development in this area based on machining operations. Review the literature relating to relevant STEP standards and application in the area of turning centers. This research will review the various research...

2016
Ji Eun Kim Kwang Ho Shon Y. J. Cho

We examine corresponding Cauchy-Riemann equations by using the non-commutativity for the product on split-biquaternions. Additionally, we describe the regularity of functions and properties of their differential equations on split-biquaternions. We investigate representations and calculations of the derivatives of functions of split-biquaternionic variables. c ©2016 all rights reserved.

2013
K. Ohnuma

2 Cell movement is an important step in development. Two experiments were conducted to investigate cell movement control in serumand feeder-free conditions. There were two key findings. 1) The direction of cell migration was affected by the use of a ratchet-shaped micro-chamber. 2) Two proteins were needed as a coating to make the human iPS cell pattern. These findings provide useful tools for ...

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