نتایج جستجو برای: biological magnification
تعداد نتایج: 469628 فیلتر نتایج به سال:
Preoperative planning for total hip arthroplasty includes templating on anteroposterior radiographs. It is necessary to consider radiographic magnification in order to scale templates accurately. Studies dealing with hip templating report different values of radiographic magnification. It is not clear if the observed difference in magnification between the studies is caused by variability in st...
The twin of this paper, “Forbidden Magnification? I.” [1], presents systematic SOM simulations with the explicit magnification control scheme of Bauer, Der, and Herrmann [2] on data for which the theory does not guarantee success, namely data that are n-D, n > 2 and/or data whose components in the different dimensions are not statistically independent. For the unsupported n = 2 cases that we in...
Digital templating with external calibration markers is the standard method for planning total hip arthroplasty. We determined the geometrical basis of the magnification effect, compared magnification with external and internal calibration markers, and examined the influence on magnification of the position of the calibration markers, patient weight, and body mass index (BMI). A formula was der...
Groundwater contaminated with arsenic poses several health risks to humans. It is necessary monitor levels in water sources periodically. Microfluidics-based lab-on-a-chip systems are miniaturized, cost effective analytical tools that can be used detect a variety of chemical and biological compounds. Herein, we report the development paper-based sensor using gold nanoparticles for detection as ...
A shallow depth-of-field is often used as a creative element in photographs. This, however, comes at the cost of expensive and heavy camera equipment, such as large sensor DSLR bodies and fast lenses. In contrast, cheap small-sensor cameras with fixed lenses usually exhibit a larger depth-of-field than desirable. In this case a computational solution is suggesting, since a shallow depth-of-fiel...
Figure 1 A, Polypoid, nonencapsulated lesion with a well-circumscribed dermal proliferation (hematoxylin-eosin, original magnification ×20). B and C, Note the abundant extracellular collagenous matrix in some areas of the tumor (hematoxylin-eosin, original magnification ×100 [A] and ×200 [B]). D, Detail of cells with monomorphic elongated, oval nuclei (hematoxylin-eosin, original magnification ...
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