نتایج جستجو برای: sponge size
تعداد نتایج: 564869 فیلتر نتایج به سال:
We report on a novel sponge disease, hereafter termed 'sponge white patch' (SWP), affecting the Caribbean sponge species Amphimedon compressa. SWP is characterized by distinctive white patches of variable size that are found irregularly on the branches of diseased sponges. Nearly 20% of the population of A. compressa at Dry Rocks Reef, Florida, USA, showed symptoms of SWP at the time of investi...
BACKGROUND In recent years there has been a global increase in reports of disease affecting marine sponges. While disease outbreaks have the potential to seriously impact on the survival of sponge populations, the ecology of the marine environment and the health of associated invertebrates, our understanding of sponge disease is extremely limited. METHODOLOGY/PRINCIPAL FINDINGS A collagenolyt...
INTRODUCTION The word Gossypiboma has been used for a retained surgical sponge/swab and is derived from gossypium(latin:cotton) and boma(Swahili-place of concealment). Other synonyms for this entity are textiloma, retained textile foreign body(RTFB)"/muslinoma. It is rare in muskulo-skeletal surgery. CASE REPORT An eighteen year old boy was operated upon for failed plating of right femur. He ...
Since the introduction of negative pressure wound therapy (NPWT), the physiological effects of various interface dressing materials have been studied. The purpose of this experimental study was to compare the use of loofah sponge to standard polyurethane foam or a cotton gauze sponge. Three wounds, each measuring 3 cm x 3 cm, were created by full-thickness skin excision on the dorsal sides of 2...
In recent years, a number of novel 3-alkyl pyridinium alkaloids were identified from the crude extract of the Arctic marine sponge Haliclona viscosa [1 – 5]. The material available from this sponge was limited by the small size of the individuals, their slow growth rate and the effort to sample substainably in the Arctic ecosystem. A new refinement of the spectroscopic methods led to improved r...
High fidelity calcium carbonate and hydroxyapatite (bio) inorganic replicas of the fibrous network of the dried fruit of Luffa cylindrica are described, utilizing a facile synthetic route. The loofa sponge is a highly complex macroscopic architectural template, an inexpensive and sustainable resource. In the context of the morphosynthesis, the capability of replication of the loofa sponge opens...
Enrichment of zeolite and sponge as ethylene absorbent with potassium permanganate was theidea of this study to provide an efficient way to scavenge ethylene during storage period ofthree Rosa hybrida cv. ‘Shiraz’, ‘Avalanche’, and ‘After-party’ cut flowers. A preliminaryexperiment revealed that two mL of potassium permanganate solution (1 mM) was enough toenrich two gra...
Sponge structure is a structure widely used in the design of cryptographic algorithms that reduces the design of the algorithms to the design of a permutation or pseudo-random function. The development of sponge-based algorithms and the selection of designs based on this structure in SHA3 and CAESAR competitions increase the need to examine its security against various types of attacks. In the ...
A study on the use of chemical conversion coating as a preparative technique for foam-based structured catalysts, in water gas shift reaction, is presented. The results showed significant correlation between textural properties structure and preparation technique, highlighting how suitable highly porous structures. In first part paper, performance two catalysts obtained by commercial aluminium ...
background marine sponge/nano-cuo as a natural catalyst efficiently catalyzed the sulfonylation reaction of p-chlorobenzene sulfonyl chlorides with amines in order to prepare sulfonamides. the advantages included use of a natural catalyst, ease of handling, requirement of a very small amount of catalyst, mild reaction condition and appropriateness to high yield. objectives the current study aim...
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