نتایج جستجو برای: deposition efficiency

تعداد نتایج: 476148  

Journal: :Journal of animal science 2015
K H Martinsen J Ødegård D Olsen T H E Meuwissen

Feed costs amount to approximately 70% of the total costs in pork production, and feed efficiency is, therefore, an important trait for improving pork production efficiency. Production efficiency is generally improved by selection for high lean growth rate, reduced backfat, and low feed intake. These traits have given an effective slaughter pig but may cause problems in piglet production due to...

2017
Chang-Long Xiao Hui Deng Gan-Ju Xiang Kadiori Edwin Luguba You-Hao Guo Chun-Feng Yang

Successive stamen movement directly controls pollen presentation schedules through sequential stamen maturation and changes the extent of herkogamy by altering the positions of sexual organs. However, the implications of such movements in terms of pollination are not well understood. Pollen presentation theory predicts that staggered pollen presentation should be favoured when plants are subjec...

2008
K Shanmugasundaram S C Price W Li H Jiang J Huang Q K Wang Y Yang J Ruzyllo

In this work, the process of mist deposition is explored as a method used to deposit organic semiconductors for applications in organic light emitting diodes (OLEDs). The deposition kinetics of a specially formulated hole transport agent is studied. The results indicate that the mist-deposited organic film thickness varies linearly with precursor concentration, deposition time and substrate pot...

Journal: :Philosophical transactions. Series A, Mathematical, physical, and engineering sciences 2011
Rafal Przekop Leon Gradoń

The filtration of aerosol particles using composites of nano- and microsized fibrous structures is a promising method for the effective separation of nanoparticles from gases. A multi-scale physical system describing the flow pattern and particle deposition at a non-steady-state condition requires an advanced method of modelling. The combination of lattice Boltzmann and Brownian dynamics was us...

Journal: :Journal of environmental radioactivity 2002
D Nikezic A K M M Haque K N Yu

Regional lung deposition for radon progeny (size range, 1 nm to 1000 nm, monodispersed) has been determined employing Gormley-Kennedy, Ingham, Cohen-Asgharian and Yu-Cohen expressions (which describe diffusion deposition), together with Gurman and Cheng formulae for impaction and sedimentation, respectively. The deposition values have been compared with those obtained by using the algebraic exp...

2014
Cheng Yang Yuanyuan Xu Chao Zhang Zhencui Sun Chuansong Chen Xiuhua Li Shouzhen Jiang Baoyuan Man

UNLABELLED Direct deposition of graphene layers on the flexible glass fiber surface to form the three-dimensional (3D) core-shell structures is offered using a two-heating reactor chemical vapor deposition system. The two-heating reactor is utilized to offer sufficient, well-proportioned floating C atoms and provide a facile way for low-temperature deposition. Graphene layers, which are control...

2012
Kuan-Chih Huang Rajendra Dahal Nicolas LiCausi J.-Q. Lu York Yaron Danon Ishwara B. Bhat

A multiple deposition and etching process has been developed to enable high fill factor boron deposition in high aspect ratio holes fabricated in a (100) silicon substrate. The boron deposition was carried out using low-pressure chemical vapor deposition and the etching was done by inductively coupled plasma reactive ion etching technique. The boron deposition processes were carried out under d...

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