منابع مشابه
Smoothing a rock by chipping.
We investigate an idealized model for the size reduction and smoothing of a polygonal rock due to repeated chipping at corners. Each chip is sufficiently small so that only a single corner and a fraction of its two adjacent sides are cut from the object in a single chipping event. After many chips have been cut away, the resulting shape of the rock is generally anisotropic, with facet lengths a...
متن کاملChipping in to microfluidics
physics.ubs.ca Imagine stepping off the edge of a swimming pool, only to find that your foot deflects the surface of the water without breaking it, as if held by some impenetrable skin. As you walk forward, the water continues to support you; but if you take a running leap and bring your full weight down on the surface, then it snaps open to envelop you without a splash. Rather than plunging to...
متن کاملfiaXl.ing and chipping
In tree-length harvesting operations, the trees are usually delimbed and topped in the woods. Sawlogs are bucked, and pulpwood is loaded tree-length. The use of in-woods chipping has been limited to energywood production because high bark content limits the use of whole-tree chips as pulp furnish. Flail delimbing and debarking allows economical processing and chipping of whole trees in the wood...
متن کاملChipping in on clonal hematopoiesis
Myeloid neoplasms are clonal diseases of hematopoietic stem or progenitor cells that result from molecular alterations that perturb cellular self-renewal, proliferation, and differentiation. As classified by the World Health Organization, myeloid neoplasms include myeloproliferative neoplasms (MPN), myelodysplastic syndromes (MDS), MPN/MDS overlap, and acute myeloid leukemia (AML), which can oc...
متن کاملChIPping away at gene regulation.
The coordinated regulation of gene expression in higher eukaryotes is complex and poorly understood. Recent technological advances have allowed the first insights into these networks on a genome-wide scale. These investigations have identified transcription factor target sites in the genome and successfully predicted cooperative interactions with other factors. However, a detailed understanding...
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ژورنال
عنوان ژورنال: Physical Review E
سال: 2007
ISSN: 1539-3755,1550-2376
DOI: 10.1103/physreve.75.031119