光的特性(Characteristicsoflight) Eachkindofartformhasitsownuniquemeansofexpression. Thephotographer'smethodofexpressionislight.Withoutlight, theywouldaccomplishnothinglikesculptorswithoutclayor painterswithoutpaints.- Althoughtheartofphotographyinthecourseof150yearsof ...
visible light protection factorSolar radiation is a major contributor to the development of skin cancer. Recent studies have shown that visible light (VL), a major portion of solar spectrum, induces biologic effects on the skin. Ultraviolet filters in currently available broad‐spectrum sunscreens do...
The American Civil War (1861-1865) was covered far more extensively, using photography which did not sidestep the carnage. The idea of covering this war was the brainchild - and obsession - of one Mathew Brady, well known proprietor of fashionable portrait studios in New York and Washington. ...
followed invention of photography . paintings were not needed to preserve what things looked like . aimed to convey light and movement rather than recording realistic detail . focused on people, nature, and daily life . full of light, shadow, colour, and life . showed inner life of the ...
day photography, and standard lenses are generally cheap. The maximum aperture of a fixed-focus standard lens can achieve f / 1.4 or f / 1.8, which is much larger than other lenses. Not only is the viewfinder bright, but it also enables photographers to successfully shoot in low light....
Ambient Light Awareness Weather Awareness Phone Status Awareness Screen Status Awareness Wi-Fi Status Awareness Dark Mode Awareness App Status Awareness Data Donation Event Data Donation Sharing Intent Data Obtaining a Service Open ID Pre-release Check App Release SDK Compliance Guide...
High Gothic illustrations also exhibited improved rendition of light and shade, like that associated with the celebrated Parisian illuminator known as Master Honore, who was active about 1288-1300. Other works include: the Mannesse Codex (1310-20, University of Heidelberg Library), Psalter of Bonne...
Portrait art had a similar moral function, which aimed to highlight not the facial or figurative features of the subject so much as his or her character and status in society. Inspirational But Not Essentially Religious Court painters were frequently commissioned to depict auspicious and memorable ...
The morphological characteristics of cat inferior olivary (IO) neurons were studied at light and electron microscopical level in an attempt to correlate th... C Sotelo,R Llinas,R Baker - 《Journal of Neurophysiology》 被引量: 898发表: 1974年 Effects of heat treatment on morphological, optical ...
aThe phenotype of an individual is the sum of all of its observable characteristics; roughly speaking, the phenotype is determined by the genotype plus interactions of the individual with its environment over time. 个体的表现型是所有的总和它可测的特征; 大略地说,表现型随着时间的过去取决于基因型加...