نتایج جستجو برای: light qualities

تعداد نتایج: 417171  

2007

The emission of biogenic volatile organic compounds, hereafter referred to as BVOC, is well accepted as a dominant factor in atmospheric chemistry and physics. Despite this wide acceptance we still face significant gaps in our knowledge of emission budgets and emission regulation. We need more data on emission qualities and quantities which can only be gained by experimental work providing supp...

1998
Martin Gogolla Mark Richters

In the early phases of software development it seems profitable to freely mix semi-formal and formal design techniques. Formal techniques have their strength in their ability to rigorously deene desired software qualities like functionality, whereas semi-formal methods are usually said to be easier to understand and to be more human-nature oriented. We propose a new approach in order to combine...

2016
Abahan Sarkar B. K. Roy

This paper presents comparative analysis of counting algorithms based on image processing in LabVIEW platform. Four different algorithms are tested with cigarette packet images. A total of 100 images are chosen for comparison. Different qualities of images are considered like good image, low light image, out of focus image, and extra bright image. An 80% matching with the template is considered...

Journal: :Physics in medicine and biology 2002
G L Carr Michael C Martin Wayne R McKinney K Jordan George R Neil G P Williams

We report the production of high power (20 W average, approximately 1 MW peak) broadband THz light based on coherent emission from relativistic electrons. We describe the source, presenting theoretical calculations and their experimental verification. For clarity we compare this source with that based on ultrafast laser techniques, and in fact the radiation has qualities closely analogous to th...

Journal: :Plant physiology 2003
Karen E Thum Dennis E Shasha Laurence V Lejay Gloria M Coruzzi

Here, we report the systematic exploration and modeling of interactions between light and sugar signaling. The data set analyzed explores the interactions of sugar (sucrose) with distinct light qualities (white, blue, red, and far-red) used at different fluence rates (low or high) in etiolated seedlings and mature green plants. Boolean logic was used to model the effect of these carbon/light in...

2005
Luís Almeida Costa Luís Vasconcelos

This paper studies …rms’decisions to form partnerships to develop new projects and the reputation implications of such decisions. Speci…cally, we analyze how …rms’qualities, initial reputations and participation levels a¤ect the evolution of …rms’reputations and incentives to form partnerships. We consider both the case where participation levels are exogenous and that where they are endogenous...

1998
Saba Mylvaganam Torgeir Jakobsen

When using optical methods turbidity is one of the main hindrances to achieving good imaging and ranging qualities in underwater applications of remote sensing, ROVs and instruments. This paper gives the principles of operation and design of an optical turbidity meter. The operation of the meter is based on illuminating the medium with light of selected wavelengths and then measuring the backsc...

2006
Robert J. Oxoby

Research in psychology indicates that individuals often make inferences regarding unknown individual qualities based on potentially irrelevant (but socially observable) information. This paper explores occupational choices when individuals receive imprecise signals regarding ability and use the observable characteristics of previously successful individuals to infer own ability. Individuals who...

Journal: :Optics express 2004
Amiel Ishaaya Liran Shimshi Nir Davidson Asher Friesem

We report on efficient coherent addition of spatially incoherent multimode laser beam distributions. Such addition is demonstrated within a multi-channel laser resonator configuration, obtaining more than 90% combining efficiency while preserving the good beam quality. We explain the rather surprising physical phenomenon of coherently adding spatially incoherent light by self-phase-locking of e...

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