与 «TUNGSTEN LAMP»相关的英语书籍
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tungsten lamp的用法。与
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1
Encyclopedia of Security Management: Techniques and Technology
The incandescent filament (tungsten) lamp is the oldest lamp type used for
artificial illumination, and the least efficient, having a maximum efficacy of 35
lumens/watt, and a life expectancy of about 1,000 hours. The incandescent lamp
radiates ...
2
Undergraduate Instrumental Analysis, Sixth Edition
The tungsten lamp is most useful over the visible range and is therefore
commonly used in spectrophotometry, discussed subsequently. Because it is
used only in the visible region, the bulb (i.e., the lamp envelope) can be made of
glass ...
James W. Robinson, Eileen M. Skelly Frame, George M. Frame II, 2004
3
CCTV Surveillance: Video Practices and Technology
On an absolute basis, the energy produced by the tungsten lamp in the visible
spectral region is significantly lower than that provided by HID lamps. However,
the total amount of energy produced by the tungsten lamp over the entire
spectrum ...
4
Audel Practical Electricity
Figure 9-5 shows distribution curves for a tungsten lamp suspended vertically
from a ceiling and for a tungsten lamp with a reflector. It is customary to draw a
distribution curve to show the candlepower 10 feet from the light source and at all
...
Paul Rosenberg, Robert Gordon Middleton, 2004
5
Central Electric Light and Power Stations
It is at times even possible to repair a ruptured tantalum or tungsten lamp filament
by judiciously7 shaking the lamp with the current on, until the broken ends of the
filament come in contact and are welded together by the intense local heat at ...
6
Census of electrical industries: Central electric light and ...
Of course, the tungsten lamp is by no means the only one in use, as will be
shown, but it has been the leader in improvement, and a few of its advances may
be referred to briefly. The pressed tungsten-filament lamp was introduced ...
United States. Bureau of the Census, Frank Lin Sanford, 1915
7
Creative Techniques for Color Photography
Match flame Candle flame 40-watt incandescent tungsten lamp 75-watt
incandescent tungsten lamp 100-watt incandescent tungsten lamp 500-watt
incandescent tungsten lamp 200-watt incandescent tungsten lamp 1000-watt
incandescent ...
8
Principles of Fluorescence Spectroscopy
Generally one uses the spectral output data provided with the lamp (L(λ))
because the black-body equation is not strictly valid for a tungsten lamp. The
detection system is then calibrated as follows: 1. The intensity of the standard
lamp versus ...
The life of the lamp is usually about double that of a tungsten lamp; their light is at
a higher color temperature, therefore whiter; and halogen lamps are smaller than
standard lamps of the same rating, making it easier to design small, elegant ...
10
Resources, Environment and Engineering
Traditionally, the two most common radiation sources for UV/VIS spectroscopy
were the tungsten lamp and the deuterium discharge lamp. The tungsten lamp is
similar in functioning to an ordinary incandescent light bulb. It contains a tungsten
...
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Lava lamps celebrate 50 groovy years
The iconic moving light maker is celebrating its 50th anniversary with an ... work the same way the originals did -- tungsten lamp heating the still-secret formula of ... «UPI.com, 九月 13»
Osram Sylvania's 100 W-equivalent LED bulb may be pick of the …
We understand Philips is also to put a 100 W-replacement LED light bulb onto ... Sunlight is at 6500K and most tungsten lamps are at 3400K so going down to ... «Gizmag, 五月 12»
