نتایج جستجو برای: dentol drop

تعداد نتایج: 46010  

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2007
mohammad mahdi montazer rahmati davood rekabi zadeh mehdi amouei

brass ferrules have been used as packing in a laboratory- scale glass distillation column approaching pilot plant size because of their availability in all sizes and low cost. the available size range is such that these ferrules could also be used in industry and the results of this study could be scaled up. the performance of the new packing has been compared with the performance of glass pack...

Journal: :transport phenomena in nano and micro scales 2014
h. safikhani a. abbassi s. ghanami

in the present study, computational fluid dynamics (cfd) techniques and artificial neural networks (ann) are used to predict the pressure drop value (δp ) of al2o3-water nanofluid in flat tubes. δp  is predicted taking into account five input variables: tube flattening (h), inlet volumetric flow rate (qi  ), wall heat flux (qnw  ), nanoparticle volume fraction (φ) and nanoparticle diameter (dp ...

Journal: :journal of agricultural science and technology 2010
a. rajabipour f. shahbazi s. mohtasebi a. tabatabaifar

the harvested walnut has a relatively high moisture content of 30% compared with the safe storage moisture content of 8%. one of the common means of reducing the moisture content is by drying. for design of drying and other aeration systems for agricultural products including walnuts, the relationship between the drop in pressure and airflow velocity must be known. an airflow resistance app...

2012
Vincenzo De Filippis Ajda Fošner

Let m,n, r be nonzero fixed positive integers, R a 2-torsion free prime ring, Q its right Martindale quotient ring, and L a non-central Lie ideal of R. Let D : R −→ R be a skew derivation of R and E(x) = D(xm+n+r)−D(xm)xn+r − xmD(xn)xr − xm+nD(xr). We prove that if E(x) = 0 for all x ∈ L, then D is a usual derivation of R or R satisfies s4(x1, . . . , x4), the standard identity of degree 4.

2000
J. Dyks B. Rudak

ASTRONOMY AND ASTROPHYSICS Approximate expressions for polar gap electric field of pulsars Abstract. We derive easy-to-handle approximations for the polar gap electric field due to inertial frame dragging as derived by Harding & Muslimov (1998). A formula valid for polar gap height comparable to the polar cap radius is presented.

2009
Dominik Schmidt Florian Block Hans-Werner Gellersen

Multi-touch input on interactive surfaces has matured as a device for bimanual interaction and invoked widespread research interest. We contribute empirical work on direct versus indirect use multi-touch input, comparing direct input on a tabletop display with an indirect condition where the table is used as input surface to a separate, vertically arranged display surface. Users perform signifi...

2013
Heiko Ramm O. S. Morillo Victorai Ingo Todt Hartmut Schirmacher Arneborg Ernst Stefan Zachow Hans Lamecker

We present a software planning tool that provides intuitive visual feedback for finding suitable positions of hearing implants in the human temporal bone. After an automatic reconstruction of the temporal bone anatomy the tool pre-positions the implant and allows the user to adjust its position interactively with simple 2D dragging and rotation operations on the bone's surface. During this proc...

Journal: :Physical review. E, Statistical, nonlinear, and soft matter physics 2007
Suzanne I Lieber Melissa C Hendershott Apichart Pattanaporkratana Joseph E Maclennan

Multiple oil drops bouncing on the surface of a vertically vibrating bath of the same oil exhibit self-organization behavior in two dimensions [S. Protière, Y. Couder, E. Fort, and A. Boudaoud, J. Phys.: Condens. Matter 17, S3529 (2005)]. We describe further the morphology and dynamic behavior of stable assemblies of large bouncing oil drops, for which we find that both the spacing and the latt...

Journal: :Int. J. Hum.-Comput. Stud. 2008
Simon Attfield Ann Blandford John Dowell Paul A. Cairns

Knowledge work is beset with uncertainty. Part of the challenge of designing systems to support knowledge work is to do so in a way which is sympathetic to this. We report a study of information gathering in the context of a news research and writing tasks. The evaluation was performed with a test-bed integrated system called NewsHarvester which supports search, document display, text gathering...

Journal: :ISPRS Int. J. Geo-Information 2017
Hangbin Wu Hongchao Fan Shengyuan Wu

Floating Car Data (FCD) has been analyzed for various purposes in past years. However, limited research about the behaviors of taking long-distance taxi rides has been made available. In this paper, we used data from over 12,000 taxis during a six-month period in Shanghai to analyze the spatiotemporal patterns of long-distance taxi trips. We investigated these spatiotemporal patterns by compari...

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