نتایج جستجو برای: sand martin
تعداد نتایج: 46996 فیلتر نتایج به سال:
As a water quality purification measure for areas such as lakes, a sand capping method by sand-upwelling system was developed. This method involves welling up clean sand from below contaminated sludge by using a water jet. The disposal of sludge and the acquirement of pure sand are not necessary like dredging and conventional sand capping works. Besides, the ecosystem will hardly be disturbed b...
Manufactured sand differs from natural sea and river dredged sand in its physical and mineralogical properties. These can be both beneficial and detrimental to the fresh and hardened properties of concrete. This paper presents the results of a laboratory study in which manufactured sand produced in an industry sized crushing plant was characterised with respect to its physical and mineralogical...
OBJECTIVE : This paper reports the incidence, origin, course and anatomical relationships of intramuscular Martin-Gruber anastomosis. METHODS : Anatomical dissection of 100 limbs from 50 adults cadavers was performed. The intramuscular Martin-Gruber anastomosis was found in five forearms, three in the right and two in the left side, one was bilateral. All communication were located between th...
The number of households and businesses using HFC cable networks for Internet access is rapidly approaching 40 million in the United States. The cable industry has standardized on a single MAC and physical layer standard, the Data Over Cable System Interface Specification (DOCSIS). The emerging IEEE 802.16 broadband wireless access MAC protocol is based on DOCSIS. We have implemented a simulati...
Heights are functions that measure the arithmetic complexity of an algebraically defined object. They have become a major tool in many branches of number theory such as Diophantine analysis, transcendental number theory, Diophantine approximation, arithmetic of dynamical systems, etc. Moreover, they have also some very subtle functorial and functional properties, making it worthwile to study th...
In this paper we define Martin-Löf complexes to be algebras for monads on the category of (reflexive) globular sets which freely add cells in accordance with the rules of intensional Martin-Löf type theory. We then study the resulting categories of algebras for several theories. Our principal result is that there exists a cofibrantly generated Quillen model structure on the category of 1-trunca...
Martin Matzuk, director of the Center for Drug Discovery at Baylor College of Medicine, recalls a childhood visit to the New Jersey office of orthopedic surgeon Joseph Lepree. “I was always impressed at how full his waiting room was and the time that he spent examining me and speaking with my father,” says Matzuk. “On one visit, he askedmewhat I wanted to bewhen I grew up, and I said, ‘a doctor...
A hierarchy of weak variants of Martin’s Axiom is extended and shown to be strict.
BACKGROUND Ingestion of sand can cause colic, diarrhoea and weight loss in horses, but these signs are unspecific and can have many other causes. The amount of sand that induces disease may vary between individuals. To avoid over-diagnosing, it is important to determine the amount of sand that can be found in horses without clinical signs of gastrointestinal disease. The aim of this study was t...
Field-collected 4th-instar Glyptotendipes paripes larvae from a natural lake in central Florida preferred small-sized (< 0.84-1.99-mm-diam) grains of sand to burrow in and make cases in the laboratory. The larvae buried or formed cases within 3 h of introduction into 120-ml paper cups containing 80 ml tap water and 20 g of the small-diameter sand. When placed in sand with grains of different si...
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