نتایج جستجو برای: is so difficult or probably impossible
تعداد نتایج: 8315020 فیلتر نتایج به سال:
investigating the feasibility of a proposed model for geometric design of deployable arch structures
deployable scissor type structures are composed of the so-called scissor-like elements (sles), which are connected to each other at an intermediate point through a pivotal connection and allow them to be folded into a compact bundle for storage or transport. several sles are connected to each other in order to form units with regular polygonal plan views. the sides and radii of the polygons are...
Correlation of Lower Cambrian rocks is hampered because there are no widespread and rapidly evolving organisms such as the later agnostids, graptolites, conodonts, ammonites, or planktonic foramini fers, that might provide basis for a consistent intercontinental biostratigraphy. Four problems illustrate issue: 1) age oldest trilobites China; 2) acritarch correlations between Siberia Baltica; 3)...
The well-known fluorimetric method for histamine measurement which is one of the common methods in diagnostic laboratories was modified to accelerate and facilitate measurement of serum histamine levels and decrease the costs and restrictions. The modified method needs only 1 ml of whole blood (or serum) instead of about 10 ml in original method which is difficult almost or impossible specially...
We propose in this paper to explore some issues in the design of computer vision systems, by analyzing some of the main aspects of cognitive and perceptive processes : the similarities between these processes lead us to envisage vision as a distributed, situated and prescriptive activity. Such analysis, together with a study of the difficulties encountered when designing computer vision systems...
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