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Topic: Lamellar


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In the News (Fri 10 Jul 09)

  
  Byzantine Lamellar Armour
In fragment D it appears that the edge of each lamella butts against the centre ridge of its neighbour in the row, as shown in Figure 2.
Though from a recent Tibetan lamellar cuirass in the collection of the State Ethnographical Museum, Stockholm, numerous medieval finds of lamellae have the same pattern of holes, and are supposed to have been fastened similarly.
The Krefeld-Gellup cuirass is not an isolated find, lamellar seems to have been briefly adopted by neighbouring Germanic tribes during the period of Avar ascendance.
members.ozemail.com.au /~chrisandpeter/lamellar/lamellar.html   (1384 words)

  
  Lamellar end grinding wheel - Patent 4679360
Lamellar end grinding wheel according to claim 1, wherein at least one of a side of said back plate and said supporting plate associated with said rear ends of said grinding flaps are provided with projecting stamping points for engaging in said grinding flaps.
Lamellar end grinding wheel according to claim 4, wherein said grinding flaps have at least one slot-like recess in their rear regions which are passed through said radial slots.
Lamellar end grinding wheel according to claim 5, wherein said rear region of said grinding flaps is provided with projecting arms, said projecting arms engaging end faces of associated slots and extend over and beyond the longitudinal extension of the associated slot.
www.freepatentsonline.com /4679360.html   (3698 words)

  
 Lamellar end grinding tool - Patent 5201149
The invention relates to a lamellar end grinding tool with a support plate, which is provided with a fixing means for mounting on a driving machine, as well as with a grinding wheel, which has a circular disklike carrier detachably fixable to the support plate and radially oriented, fan-like overlapping grinding flaps fixed thereto.
Finally, lamellar end grinding wheels with a plate made from reusable aluminium are known, in which the grinding disks are anchored by mechanical jamming in radial slots or are fixed by adhesive to a closed plate surface.
The lamellar end grinding tool has a particularly large number of uses as a result of the fact that the external diameter of the carrier and the ring of grinding flaps is larger than the external diameter of the support plate.
www.freepatentsonline.com /5201149.html   (2260 words)

  
 CIGNA - Ichthyosis, Lamellar
In lamellar ichthyosis, the skin cells are produced at a normal rate, but they do not separate normally at the surface of the outermost layer of skin (stratum corneum) and are not shed as quickly as they should be.
The mutations that cause lamellar ichthyosis are recessively inherited.
Lamellar ichthyosis is not limited by gender, race or ethnicity; it occurs in all populations.
www.cigna.com /healthinfo/nord544.html   (1166 words)

  
 Job knowledge for welders 47: Defects - lamellar tearing. (May 2000)
The principal distinguishing feature of lamellar tearing is that it occurs in T-butt and fillet welds normally observed in the parent metal parallel to the weld fusion boundary and the plate surface, (Fig 1).
Lamellar tearing is more likely to occur in large welds typically when the leg length in fillet and T butt joints is greater than 20mm.
As lamellar tears are linear imperfections which have sharp edges, they are not permitted for welds meeting the quality levels B, C and D in accordance with the requirements of BS EN ISO 5817:2003.
www.twi.co.uk /j32k/protected/band_3/jk47.html   (1187 words)

  
 LAMELLAR ICHTHYOSIS IN AN INFANT Pediatric Oncall
Abstract: We herewith report a case of lamellar ichthyosis in one year old child who presented with thick dark scaly lesions all over body with ectropion of both eyes and was treated with emollient and topical retinoid therapy.
Lamellar ichthyosis is an autosomal recessive disorder that is apparent at birth and is present throughout life.
We report first case of lamellar ichthyosis from eastern Uttar Pradesh who presented at the age of one year with ectropion of eyelids and was treated with emollients and topical retinoids.
www.pediatriconcall.com /fordoctor/CaseReports/lamellar_ichthyosis_revised.asp   (1054 words)

  
 Lamellar Keratoplasty- Health Encyclopedia and Reference
Lamellar refractive keratoplasty involves the placement of a lenticule on or within the cornea to alter its refractive power, usually by changing its anterior curvature.
Lamellar keratoplasty involves replacement of the patient's diseased anterior corneal stroma and Bowman's membrane with donor material.
Lamellar keratoplasty has the advantage of being primarily an extraocular (outside the eye) procedure that preserves the host endothelium.
www.healthcentral.com /encyclopedia/408/500.html   (426 words)

  
 Lamellar Keratoplasty
Lamellar keratoplasty is the removal and replacement of less than the total thickness of the cornea.
The deeper part of the stroma, Descemet's membrane, and the endothelium are not removed; this is the difference between lamellar keratoplasty and penetrating keratoplasty (corneal graft surgery), in which the entire thickness of the corneal is replaced.
Lamellar keratoplasty is not performed on patients who have deeper stromal dystrophies or endothelial dystrophies.
www.canovision.com /info/lamellar.htm   (504 words)

  
 A review of the effect of occlusive dressings on lamellar bodies in the stratum corneum and relevance to transdermal ...
The lamellar bodies, containing disc-shaped polar lipids such as glycosphingolipids and phospholipids, free sterols, and hydrolytic enzymes that are involved in the formation of the intercellular lipid bilayers [9].
The barrier is initially established at the SG-SC interface where the lamellar bodies first secrete their lipids, but the barrier extends to the entire SC as lipids fill the extracellular spaces of this region [12].
Since lipids secreted by these lamellar bodies are the primary components constituting the permeability barrier [12], it is reasonable to speculate if there is an effect of occlusion on their role.
dermatology.cdlib.org /113/reviews/lamellar/reidenberg.html   (3416 words)

  
 Armour Archive -- Pattern Archive: Lamellar by Lord Robert de Tyre
Mail was not the sole form of defense; harnesses of scale, lamellar and brigandine forms were used along with mail or sometimes in addition to it.
This is why lamellar was in use as armour until the beginning of the 20th century.
Extant period lamellar harnesses overlap upwards, a function useful to horsemen contending with infantry.
www.armourarchive.org /patterns/lamellar_templarbob   (2024 words)

  
 Regia Anglorum - Byzantine Lamellar Armour
In fact, the entire treatment of the lamellar is generally misleading in the Osprey illustrations; it is, for instance, impossible to continue the torso plates straight up into the arms (unless you wish to spend your life with your life with your arms outstretched horizontally!).
As far as I know, no complete set of lamellar survives, and as such details would have been painted on to complete carvings they too have not survived, but my interpretations are at least based on field trials of reconstructed lamellar, namely Ketil's 600 plate example.
Lamellar is a rigid system and all this would do is reduce the size of the armhole into which the join passes causing wear and discomfort.
www.regia.org /lamellar.htm   (1140 words)

  
 ProLipid 141
ProLipid lamellar systems are the first of their type to deliver wide pH compatibility, electrolyte tolerance, and stable rheology and temperature profiles.
The lamellar gel structure of ProLipid 141 mimics the structure of lipids in the stratum corneum.
This micrograph of the cross section of a spherical vesicle clearly demonstrates that lamellar bilayer organization is present throughout the vesicle.
www.ispcorp.com /products/hairskin/content/skincare/brochure/prolipid/index.html   (1234 words)

  
 Pyramid: Scale and Lamellar Armor   (Site not responding. Last check: )
Lamellar is a form of semi-rigid body armor most often associated with Japanese samurai, but also used by the Byzantines, Romans, Russ and other Dark Age warriors.
Since lamellar plates are longer than scales, and the finished item is less flexible, the neck and arm openings of the cuirass must be made with specially shaped lames in order to provide the best possible protection while allowing freedom of movement.
Lamellar can be split into three general categories -- 'light', 'medium', and 'heavy' -- based on the amount of overlap and the overall weight of the armor.
www.sjgames.com /pyramid/sample.html?id=2565   (3925 words)

  
 Small Cracks
Cracks initiated within lamellar colonies with lamellar interfaces oriented at angles of approximately 90 or 45 degrees to the loading axis corresponding to the angles of the maximum tensile and shear stresses on the surface.
Contrasting the lamellar microstructure, no cracks were observed to nucleate in the duplex microstructure until maximum tensile stresses on the sample surface exceeded the UTS, with many microcracks nucleating simultaneously and quickly coalescing to failure.
In the lamellar microstructures, since cracks nucleate easily, the fatigue life is expected to be dictated by the resistance to growth of small fatigue cracks.
www.lbl.gov /~jkruzic/SmallCracks.htm   (1108 words)

  
 Lamellar grids – Tropico Plus a.s.   (Site not responding. Last check: )
The lamellar grids can be produced in width to 160 cm and length to 220 cm.
Lamellar grids wider than 140 cm are delivered with the central partition.
The motor grids are produced in width from 62 to 100 cm and length from 194 to 220 cm.
www.tropico-plus.com /lamellar-grids/?lang=en   (87 words)

  
 EQUINE LAMINITIS: A REVISED PATHOPHYSIOLOGY
Lamellar tissues affected by laminitis also increase their MMP production especially MMP in its active form (Pollitt et al, 1998) but whether in response to circulating cytokines or some other trigger factor is yet to be established.
The lamellar basal and parabasal cells lose their normal shape, become elongated and appear to slide over one another and, as a consequence, the secondary epidermal lamellae become attenuated with tapering, instead of club shaped, tips (Pollitt 1996).
Lamellar explants can be cultured for up to 7 days in normal medium and no lamellar separation occurs.
www.horseshoes.com /advice/laminitis/pollitt1/equinelaminitisarevisedpathophysiology.htm   (2912 words)

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