diffuse lighting with a point light source

... African Americans had larger phase advances than Caucasians Because we found that African Americans had a shorter tau than Caucasians, which would augment phase advances relative to the Caucasians ... manuscript we also re-analyzed data from our previous phase-advancing study with daily light pulses [42] that included both light and dark-eyed Caucasians as well as dark-eyed African Americans, and thus ... had larger phase advances than Caucasians (n = 11) [40], suggesting that race, not iris color, was a factor mediating the magnitude of circadian phase shifts Although there are racial differences...

Ngày tải lên: 10/08/2014, 09:20

... increased when lighting is not adequate [12] These changes are reminiscent of the walking pattern of older adults with a HLGD and cautious gait An elevated risk of falling has been associated with ... repeated measures For each gait parameter, a separate model was applied The dependent variable was the gait parameter and the independent variables were the group (patients or controls), the walking ... fear of falling that appears to be related to this increased stride variability, and have an increased risk of falls [8,9] Further, the extrapyramidal, limbic systems, and the frontal lobe apparently...

Ngày tải lên: 19/06/2014, 10:20

... that both heat source parameter S and permeability parameter enhance the skin friction at the wall 4.4 Rate of heat transfer The variations in the values of rate of heat transfer at the wall in terms ... variation of the flow parameters The factors affecting the velocity of the flow field are magnetic parameter M, permeability parameter Kp, Grashof number for heat transfer Gr and heat source parameter ... temperature of the flow field at all points 4.3 Skin friction The variations in the values of skin friction at the wall against Kp for different values of magnetic parameter M and heat source parameter...

Ngày tải lên: 05/09/2013, 16:10

... tracks changes made to data by maintaining multiple versions of each row allowing the data to be reconciled later to a data source using a DataAdapter The data source to which the DataSet is reconciled ... a second data source synchronized to a data source that is being modified It is called one-way replication The destination data source server does not have to be the same as the source database ... DataAdapter is called using the DataSet containing the changes as the data object argument; this applies the changes to the destination data source The destination DataSet is then cleared and...

Ngày tải lên: 21/01/2014, 11:20

... 01 Lighting with Artificial Light Lighting level – Maintained illuminance and luminance For interiors and for certain exterior lighting applications, maintained illuminance is stipulated by standards ... licht.wissen 01 Lighting with Artificial Light Luminaires A wide variety of luminaires are available to cater to the diverse technical and design requirements of the broad range of lighting applications ... the luminaire and a normal ambient temperature of 25° C Although a track-mounted general -diffuse luminaire has a higher light output ratio ␩LB than a shielded specular luminaire, it also causes...

Ngày tải lên: 16/02/2014, 20:20

... daylight available •Wallwashers for blackboard lighting heighten visual comfort •Presence control systems save energy by automatically deactivating lighting when a room is vacated Classrooms with ... for a foyer as well as for staircases and steps makes for added safety •Display area lighting needs to be flexible so that all artworks are cast in an equally good light 90 Vertical surfaces ... shadows on faces A mixture of direct and indirect lighting, e.g with downlights as room lighting and additional light sources beside mirrors, casts faces in a natural light Switches and luminaires...

Ngày tải lên: 16/02/2014, 20:20

... The road ahead, the state and boundaries of the carriageway, road signs and any hazards on or from the side of the road are clearly recognisable Photo 24: As a conflict area, a roundabout demands ... permits a faster response to a perceived threat and can thus help guard against criminal assault Apart from performing actual lighting functions, luminaires in traffic-calmed areas help shape the face ... of lighting with high vertical illuminance acts as a deterrent for burglars, car thieves and assailants For vehicle traffic in particular, approach roads, entrances and exits are accident black...

Ngày tải lên: 16/02/2014, 20:20

... creativity here Various types of lighting are available for crafting decorative lighting systems and lighting landscapes with atmosphere and emotional appeal Modern lamps such as high-voltage ... more natural and agreeable appearance Direct/indirect luminaires fitted with warmtone lamps provide the high vertical illuminance required and cast a soft, pleasant light Glare due to direct lighting ... installed parallel to the window wall Highgrade specular louver luminaires with specially designed louvers ensure glare-free lighting at the workplace 18 Adequate daylight is not always available,...

Ngày tải lên: 16/02/2014, 20:20

... this area of the room can be altered at any time Immediate surrounding area A workplace may consist of several task areas – including areas with different visual and lighting requirements – each ... hairdressing salon Indeed, from a lighting design viewpoint, hairdressing and beauty treatments have many similarities Lighting for every visual task Beauty and hairdressing salon lighting have the same ... DIN EN ISO standards and in quality assurance guidelines such as GMP (Good Manufacturing Practice) and HACCP (Hazard Analysis And Critical Control Points) These standards impact crucially on the...

Ngày tải lên: 16/02/2014, 20:20

... General lighting The showcase: eye-catcher for exclusive merchandise 11 Entrance lighting 12 Salesroom lighting General lighting 13 Salesroom lighting Accent lighting 16 Lighting for staircases, ... merchandise Lighting here must always be a combination of artificial lighting and daylight After dark, exterior lighting does more than just highlight architecture and merchandise; it also facilitates ... shadow, dynamism and change Artificial lighting offers a major advantage here: it permits precise control 18 Keeping a distance Spots and luminaires with spotlighting characteristics display a symbol...

Ngày tải lên: 06/03/2014, 12:20

... wards Reading lighting Simple examinations Examination and treatment Night -lighting, observation lighting Night lighting, observation lighting in infants’ wards Orientation lighting Bathrooms and ... supplement basic lighting where a tailored lighting level is needed for a particular visual task performed at a particular point in the task area gained acceptance as a two-component solution Luminaires ... on lighting quality features, see page 49 37 38 39 41 Outpatient department rooms are general examination and treatment rooms and have the same lighting requirements In waiting areas, an agreeable...

Ngày tải lên: 06/03/2014, 12:20

... constantly and be on guard against sudden attack Even the slightest movement can signal an assault; fast reactions are vital to avoid defeat For this reason, the same horizontal illuminance values are ... Workout areas with apparatus and exercise rooms are provided for the purpose Basically, lighting here needs to make safe use of all apparatus possible In workout areas, this calls for at least 300 ... Every sports facility has communication routes, e.g corridors, passageways and access zones, as well as an entrance area with pay point( s) Here too, good lighting is a must because the image of the...

Ngày tải lên: 06/03/2014, 12:20

... Emergency lighting, safety lighting Contents Emergency lighting provides safety When power systems fail Safety lighting Escape route safety lighting Anti-panic lighting Particularly hazardous workplaces ... information on the advantages of good lighting and offers a great deal of material on every aspect of artificial lighting and its correct usage The information provided is impartial and based ... performance areas – areas less than 20 m² are not classed as performance areas; > sports stadiums accommodating more than 5,000 spectators with stands for visitors and with non-roofed sports areas...

Ngày tải lên: 06/03/2014, 12:20

... Offices and Office Buildings” ■ Lighting management makes for enhanced lighting comfort and facilitates task area and task zone lighting It also enables daylight to be included in the lighting calculation; ... general lighting required until the fault is cleared S afety lighting is a blanket term covering safety lighting for escape routes and particularly hazardous workplaces as well as anti-panic lighting ... affect the general lighting Emergency lighting is a standardised term covering both standby lighting and safety lighting Standby lighting ensures that important operations are maintained and provides...

Ngày tải lên: 06/03/2014, 12:20

... – are available in all three light colours (warm white, neutral white, daylight white) They are also available as full-spectrum lamps, which radiate light with the same spectral composition as ... for a constant sum of daylight and regulated artificial lighting kWh /a Key components of these lighting regulation systems are dimmable EBs and signal amplifiers with light sensors Each luminaire ... year and day, surrounding buildings and anti-glare measures The average amount of daylight available in Central Europe, however, is always relatively high The chart shows the potential daylight...

Ngày tải lên: 06/03/2014, 12:20

... technical terms are also available at the click of a mouse on the buttons "About Light" and "Lighting Technology" Databases containing a wealth of product data, a product/supplier matrix and the addresses ... installation are calculated as follows: value on installation = maintained value / maintenance factor Maintenance factors – as well as all the assumptions made to determine them – must be stated ... "Impacts and work-related health hazards" for the BG Central Office for Safety and Health Ensuring that lighting meets all health and safety requirements is an attainable goal for any company...

Ngày tải lên: 06/03/2014, 12:20

... domestic and commercial Lighting Applications’ In a Private Portal and a Pro Portal at www.licht.de, numerous examples of applications are presented Explanations of technical terms are also available ... plate can be adapted to a particular application: as well as single operation, coloured LEDs can also be separately fixed using an appropriate layout so that plays of colour and sequences are ... download free of charge at www.all-about -light. org: Postage stamp Illustration Sources Graphics bs Werbung, Darmstadt: diagrams to FGL*: diagram Kugelstadt MedienDesign, Darmstadt: diagrams and...

Ngày tải lên: 06/03/2014, 12:20

... monument, a dramatically lit square, a park bathed in decorative light – these are sights that make Zeitung carried a damning article comparing German attitudes to lighting with those in France and ... life and lower power consumption ratings than other lamps … and with façade illumination Agencies and authorities awarding lighting contracts today favour lighting designers with formal qualifications ... (photo 17) In the parkland areas, the aim was to create a variety of lighting scenarios and an appropriate ambience (photo 15) Plateau, staircase, intersection and a place to take the weight of tired...

Ngày tải lên: 15/03/2014, 12:20

... photoelectric lighting controller to switch outdoor lighting automatically makes for greater lighting comfort and security It activates the lighting at nightfall and deactivates it again at daybreak The ... Page 16 Conservatory lighting Page 22 Garden and vegetation lighting Page 24 Sculpture lighting Page 30 Pool and pond lighting Page 32 Planning basics and professional installation Page 28 Energy ... variable luminaires 35 Lighting tip: Conservatory Table lighting [35]: Dining in a conservatory calls for appropriate table lighting If sufficiently large supporting beams are available for cabling...

Ngày tải lên: 15/03/2014, 12:20

... sleeping partner A 20 W low-voltage halogen lamp or an equivalent energy-saving lamp is sufficient for reading, preferably in a luminaire with an angleable head This can be installed as a wall, clamp ... objects are illuminated, they attract attention and help make for agreeable and interesting hallway lighting [15-16] Recessed wall luminaires and step lights with LED or halogen lamps make for added ... from above Stair treads are well lit when each individual tread casts a short, soft shadow 17 18 Lighting tips: Hall and stairway Mirror lighting [17] The best way to illuminate a person at a mirror...

Ngày tải lên: 15/03/2014, 12:20