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Manufacturing of activated carbon using disposable coconut shells

100%

Aluvihara S., Kalpage C. S., Bandaranayake P. W. S. K.

World News of Natural Sciences

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2020

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tom 31

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The dorsal shell wall structure of Mesozoic ammonoids

86%

Acta Palaeontologica Polonica

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2017

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tom 62

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nr 1

The study of pristine preserved shells of Mesozoic Ammonoidea shows different types of construction and formation of the dorsal shell wall. We observe three major types: (i) The vast majority of Ammonoidea, usually planispirally coiled, has a prismatic reduced dorsal shell wall which consists of an outer organic component (e.g., wrinkle layer), which is the first layer to be formed, and the subsequently formed dorsal inner prismatic layer. The dorsal mantle tissue suppresses the formation of the outer prismatic layer and nacreous layer. With the exception of the outer organic component, secretion of a shell wall is omitted at the aperture. A prismatic reduced dorsal shell wall is always secreted immediately after the hatching during early teleoconch formation. Due to its broad distribution in (planispiral) Ammonoidea, the prismatic reduced dorsal shell wall is probably the general state. (ii) Some planispirally coiled Ammonoidea have a nacreous reduced dorsal shell wall which consists of three mineralized layers: two prismatic layers (primary and secondary dorsal inner prismatic layer) and an enclosed nacreous layer (secondary dorsal nacreous layer). The dorsal shell wall is omitted at the aperture and was secreted in the rear living chamber. Its layers are a continuation of an umbilical shell doubling (reinforcement by additional shell layers) that extends towards the ventral crest of the preceding whorl. The nacreous reduced dorsal shell wall is formed in the process of ontogeny following a prismatic reduced dorsal shell wall. (iii) Heteromorph and some planispirally coiled taxa secrete a complete dorsal shell wall which forms a continuation of the ventral and lateral shell layers. It is formed during ontogeny following a prismatic reduced dorsal shell wall or a priori. The construction is identical with the ventral and lateral shell wall, including a dorsal nacreous layer. The wide distribution of the ability to form dorsal nacre indicates that it is a plesiomorphic trait which either was passed on from gyrocone ammonoid ancestors or (re-)developed in post-Triassic ammonoids.

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Industrialization and fluorine content in shells of Helix pomatia

86%

Dwojak M. E.

Folia Malacologica

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1999

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tom 07

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nr 4

4

Possibility of enzymatic decomposition of bean and pea shells with cellulase complexes of Pleurotus ostreatus (Fr. ex. Jacquin) fungus

86%

Szebiotko K., Chrapkowska K. J., Gembicka D.

Acta Microbiologica Polonica

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1990

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tom 39

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nr 1-2

5

In vitro anthelmintic activity of three tropical plant extracts on Haemonchus contortus

86%

Davuluri T., Chennuru S., Pathipati M., Krovvidi S., Rao G. S.

Acta Parasitologica

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2020

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tom 65

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nr 1

6

Effect of storage time on the quality of Japanese quail eggs (Coturnix coturnix japonica)

86%

Adamski M., Kuzniacka J., Kowalska E., Kucharska-Gaca J., Banaszak M., Biegniewska M.

Polish Journal of Natural Sciences

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2017

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tom 32

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nr 1

Along with the storage time, in the egg content there occur changes based of which their quality and condition of egg freshness may be determined. The aim of the study was determination of the effect of 7-week storage period at a temperature of 4°C on the quality of Japanese quail eggs. The eggs were analyzed at one-week intervals to determine their morphological composition. No statistically significant differences were observed between particular dates of evaluation within the range of the egg weight and its proportional loss, which in the 7th week was 2.78%. No statistically significant differences were observed in the weight of yolk and albumen in total. The amount of albumen did not change, while the Haugh units ranged from 91.4 in the 1st week to 87.2 in the 7th week of storage. These results show that quail eggs are characterized by a long period of retaining freshness.

7

Engineering effect of Pinna nobilis shells on benthic communities

86%

Rabaoui L., Belgacem W., Ben Ismail D., Mansour L., Tlig-Zouari S.

Oceanologia

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2015

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tom 57

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nr 3

8

Comparing the structure and chemical composition of duck eggs

86%

Mazanowski A., Bernacki Z., Kisiel T.

Annals of Animal Science

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2005

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tom 05

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nr 1

9

Changes in the biological value of duck eggs defined by egg quality

86%

Adamski M., Bernacki Z., Kuzniacka J.

Folia Biologica

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2005

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tom 53

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nr Suppl.

10

Radiocarbon dating of marine bivalve shells from Holocene moraines at inner Hornsund, South Spitsbergen

86%

Birkenmajer K., Olsson I. U.

Bulletin of the Polish Academy of Sciences. Earth Sciences

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1997

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tom 45

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nr 1

11

Stability of egg shell depends on nutrition of laying type of hens

86%

Angelovicova M., Mihalik V., Rataj V.

International Agrophysics

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1994

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tom 08

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nr 4

12

Strength of shell in compression test of rapeseed

86%

Haman J., Dobrzanski B., Szot B., Stepniewski A.

International Agrophysics

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1994

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tom 08

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nr 2

13

Effects of 5-HT1B receptor ligands microinjected into the accumbal shell or core on the cocaine-induced locomotor hyperactivity in rats

86%

Przegalinski E., Filip M., Papla I., Czepiel K.

Journal of Physiology and Pharmacology

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2002

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tom 53

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nr 3

The present study was designed to examine the effect of 5-HT1B receptor ligands microinjected into the subregions of the nucleus accumbens (the shell and the core) on the locomotor hyperactivity induced by cocaine in rats. Male Wistar rats were implanted bilaterally with cannulae into the accumbens shell or core, and then were locally injected with GR 55562 (an antagonist of 5-HT1B receptors) or CP 93129 (an agonist of 5-HT1B receptors). Given alone to any accumbal subregion, GR 55562 (0.1-10 µg/side) or CP 93129 (0.1-10 µg/side) did not change basal locomotor activity. Systemic cocaine (10 mg/kg) significantly increased the locomotor activity of rats. GR 55562 (0.1-10 µg/side), administered intra-accumbens shell prior to cocaine, dose-dependently attenuated the psychostimulant-induced locomotor hyperactivity. Such attenuation was not found in animals which had been injected with GR 55562 into the accumbens core. When injected into the accumbens shell (but not the core) before cocaine, CP 93129 (0.1-10 µg/side) enhanced the locomotor response to cocaine; the maximum effect being observed after 10 µg/side of the agonist. The later enhancement was attenuated after intra-accumbens shell treatment with GR 55562 (1 µg/side). Our findings indicate that cocaine induced hyperlocomotion is modified by 5-HT1B receptor ligands microinjected into the accumbens shell, but not core, this modification consisting in inhibitory and facilitatory effects of the 5-HT1B receptor antagonist (GR 55562) and agonist (CP 93129), respectively. In other words, the present results suggest that the accumbal shell 5-HT1B receptors play a permissive role in the behavioural response to the psychostimulant.

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The occurrence of Balanus improvisus Darwin on Cerastoderma glaucum Poiret and other bivalves in the Polish zone of the Baltic

86%

Olszewska A.

Oceanologia

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1999

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tom 41

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nr 4

15

Geometrical dependence of seed shell for large deformation of pea

86%

Dobrzanski B.

International Agrophysics

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1993

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tom 07

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nr 4

16

Malacological and palynological evidence of Early Pleistocene cooling of the climate in the Carpathian Foreland

72%

Stworzewicz E., Granoszewski W., Wojcik A.

Folia Malacologica

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2012

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tom 20

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nr 1

17

Assessment of recent and chalcolithic period environmental pollution using Mytilus galloprovincialis Lamarck, 1819 from Yarimburgaz Cave, the Northern Marmara Sea and Bosphorus coasts

72%

Barut I. F., Meric E., Yokes M. B.

Oceanologia

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2016

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tom 58

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nr 2

18

Helix aspersa maxima in culture conditions - growth and some shell characters

72%

Ligaszewski M.

Folia Malacologica

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1999

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tom 07

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nr 4

19

Life cycle of Discus rotundatus (O. F. Mull.) (Gastropoda: Pulmonata: Endodontidae)

72%

Kuznik-Kowalska E.

Folia Malacologica

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1998

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tom 06

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nr 1-4

20

Helicopsis striata in the Lower Odra valley

72%

Stepczak K.

Folia Malacologica

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1999

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tom 07

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nr 4

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