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Wyszukujesz frazę "Liu, Z. Z." wg kryterium: Autor

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    Wyświetlanie 1-8 z 8
    Tytuł:
    Emerging of canine kobuvirus in dogsin China, 2015
    Autorzy:
    Liu, D.F.
    Liu, X.
    Li, Z.J.
    F. Liu
    Hu, X.L.
    Li, Z.G.
    Liu, C.G.
    Ma, J.Z.
    Powiązania:
    https://bibliotekanauki.pl/articles/2087863.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    canine kobuvirus (CaKoV)
    dogs
    phylogenetic
    VP1
    China
    Źródło:
    Polish Journal of Veterinary Sciences; 2017, 4; 707-711
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A new fossil lacewing genus and species from the Middle Jurassic of Inner Mongolia, China
    Autorzy:
    Wang, Y
    Liu, Z.
    Ren, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/22432.pdf
    Data publikacji:
    2009
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Tematy:
    new fossil
    fossil
    paleontology
    systematics
    lacewing genus
    lacewing species
    Middle Jurassic
    Jurassic
    Inner Mongolia
    China
    Tenuosmylus brevineurus
    Poriminae
    Eidoporisminae
    Stenosmylinae
    Opis:
    A new fossil lacewing, Tenuosmylus brevineurus gen. et sp. nov., was collected from an outcrop of Middle Jurassic strata in the village of Daohugou, Inner Mongolia, China. The new genus is assigned to Gumillinae based on eleven defining characteristics of the subfamily. The affiliation of Tenuosmylus including other five genera of the subfamily is discussed. Our result supports the opinion that Epiosmylinae was a junior synonym of Gumillinae, which is likely a relic of ancient osmylids based on similarity of forewing venation. Veins Mp₂ and Cu₂ have complicated branches that are generally present in extinct as well as some extant subfamilies (Poriminae, Eidoporisminae, Stenosmylinae). A key is given to differentiate six known genera within Gumillinae.
    Źródło:
    Acta Palaeontologica Polonica; 2009, 54, 3; 557-560
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Scale-dependent environmental control of mesozooplankton community structure in three aquaculture subtropical bays of China
    Autorzy:
    Sun, D.
    Liu, Z.
    Wang, C.
    Powiązania:
    https://bibliotekanauki.pl/articles/48224.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    zooplankton
    aquaculture
    pollution effect
    multivariate analysis
    subtropical bay
    China
    Źródło:
    Oceanologia; 2016, 58, 2
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Stream networks and knickpoints in the Sanjiangyuan Region
    Rozwoj progow skalnych oraz morfologia rzek w regionie Sanjiangyuan
    Autorzy:
    Wang, Z
    Yu, G.-A.
    Brierley, G.
    Liu, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/81661.pdf
    Data publikacji:
    2010
    Wydawca:
    Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
    Tematy:
    China
    stream network
    knickpoint
    Sanjiangyuan region
    morphology
    river
    Yangtze River
    Yellow River
    drainage network
    Opis:
    The source area of the Lancang (Mekong), Yangtze and Yellow rivers is named in Chinese Sanjiangyuan (source of three rivers). Geographical characteristics of these rivers, and various rivers at the margin of the Qinghai- Tibetan Plateau (Jialing, Minjiang, Dadu, Yalong and Jinsha) are summarized from fi eld investigations along with digital elevation model (DEM) analyses and satellite images. Uplift of the Qinghai-Tibetan Plateau has resulted in an asymmetrical distribution of tributaries for stream networks at the margins of the plateau. Almost all tributaries join the trunk stream from the northwest. Three types of drainage network are evident: plume, nervation and dendritic. In general, plume networks have a large number of first order streams. Nervation networks have a main stream and parallel tributaries. Dentritic networks are characrterized by continuous bifurcation and have a branch-like appearance. Most stream networks in the Sanjiangyuan region are of the nervation type. Several large knickpoints are evident along the longitudinal profi les of the Yellow and Yangtze Rivers. Channel aggradation immediately upstream of these knickpoints marks a transition in river processes from vertical bed evolution (i.e. incision) to horizontal channel adjustment (and associated braided and anabranching channels).
    W artykule przedstawiono proces rozwoju progów skalnych wzdłuż rzek Yellow i Yangtze. Wykazano wpływ progów skalnych na zmiany morfologiczne dna koryt rzek. Głównie skoncentrowano się na zmianach agradacyjnych powyżej omawianych progów. Progi te są wyznacznikami zmian charakteru koryta rzecznego, z pionowo wciętego na wielonurtowy, roztopowy o szerszym korycie. Badania wykonano w rejonie Qinghai_Tibetan Plateau, zwanym obszarem źródłowym trzech rzek – oprócz wyżej wspomnianych również rzeka Mekong.
    Źródło:
    Annals of Warsaw University of Life Sciences - SGGW. Land Reclamation; 2010, 42, 1; 79-91
    0208-5771
    Pojawia się w:
    Annals of Warsaw University of Life Sciences - SGGW. Land Reclamation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Mixed leaf litter decomposition and N, P release with a focus on Phyllostachys edulis (Carriere) J. Houz. forest in subtropical southeastern China
    Autorzy:
    Shi, L.
    Fan, S.
    Jiang, Z.
    Qi, L.
    Liu, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/56692.pdf
    Data publikacji:
    2015
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    leaf litter
    decomposition
    nitrogen
    phosphorus
    Phyllostachys edulis
    moso bamboo
    tortoise-shell bamboo zob.moso bamboo
    forest
    subtropical area
    China
    Opis:
    As an important non-wood forest product and wood substitute, Moso bamboo grows extremely rapidly and hence acquires large quantities of nutrients from the soil. With regard to litter decomposition, N and P release in Moso bamboo forests is undoubtedly important; however, to date, no comprehensive analysis has been conducted. Here, we chose two dominant species (i.e., Cunninghamia lanceolata and Phoebe bournei), in addition to Moso bamboo, which are widely distributed in subtropical southeastern China, and created five leaf litter mixtures (PE100, PE80PB20, PE80CL20, PE50PB50 and PE50CL50) to investigate species effects on leaf litter decomposition and nutrient release (N and P) via the litterbag method. Over a one-year incubation experiment, mass loss varied significantly with litter type (P < 0.05). The litter mixtures containing the higher proportions (>80%) of Moso bamboo decomposed faster; the remaining litter compositions followed Olson's decay mode well (R2 > 0.94, P < 0.001). N and P had different patterns of release; overall, N showed great temporal variation, while P was released from the litter continually. The mixture of Moso bamboo and Phoebe bournei (PE80PB20 and PE50PB50) showed significantly faster P release compared to the other three types, but there was no significant difference in N release. Litter decomposition and P release were related to initial litter C/N ratio, C/P ratio, and/or C content, while no significant relationship between N release and initial stoichiometric ratios was found. The Moso bamboo-Phoebe bournei (i.e., bamboo-broadleaved) mixture appeared to be the best choice for nutrient return and thus productivity and maintenance of Moso bamboo in this region.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2015, 84, 2
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A large xenusiid lobopod with complex appendages from the Lower Cambrian Chengjiang Lagerstatte
    Autorzy:
    Liu, J
    Shu, D.
    Han, J.
    Zhang, Z.
    Zhang, X.
    Powiązania:
    https://bibliotekanauki.pl/articles/21541.pdf
    Data publikacji:
    2006
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Tematy:
    Chengjiang Lagerstatte
    Lobopodia
    China
    arthropod
    Jianshanopodia decora
    large lobopod
    lobopod
    body length
    Arthropoda
    Xenusiidae
    Cambrian
    paleontology
    Lower Cambrian
    Opis:
    A large lobopod, Jianshanopodia decora gen. et sp. nov., with body length (excluding appendages) about 220 mm from the Lower Cambrian Haikou section, near Kunming, Yunnan, southwest China, shows a mixture of characters, including features of the lobopod Xenusion Pompeckj, 1927, e.g., a large cylindrical body with annulations, stout and strong lobopod appendages each bearing bases of serial tubercles, and of Aysheaia Walcott, 1911, i.e., a pair of large frontal appendages. This suggests that the new genus might be a connecting link between Xenusion and Aysheaia. Besides, Jianshanopodia shares some features with the Early Cambrian stem group arthropod Pambdelurion Budd, 1997, and Kerygmachela Budd, 1993, e.g., the pairs of mid−gut diverticula, the possible presence of tail fan, the mouth cone, the frontal pharyngeal structures and the pharynax are surrounded by the bases of the large frontal appendages. However, compared with a series of segmentally arranged, imbricating, paddle−shaped, movable lateral flaps of both Pambdelurion and Kerygmachela, Jianshanopodia possesses distinct complex appendages with tree−like or lamellate branches. The discovery of this rare transitional form not only throws new light on the early diversification of lobopods, and may also have significance with respect to the origin of arthropods.
    Źródło:
    Acta Palaeontologica Polonica; 2006, 51, 2
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Soft-tissue preservation in the Lower Cambrian linguloid brachiopod from South China
    Autorzy:
    Zhang, Z
    Han, J.
    Zhang, X.
    Liu, J.
    Shu, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/20001.pdf
    Data publikacji:
    2004
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Tematy:
    Lingulellotreta malongensis
    Chengjiang Lagerstatte
    soft tissue preservation
    lophophore
    brachiopod
    linguloid brachiopod
    China
    Linguloidea
    gastrointestinal tract
    Cambrian
    Lower Cambrian
    paleontology
    Opis:
    The organization of the lophophore and the digestive system are recognized as two of the diagnostic characters in the definition of higher brachiopod taxa, and hence play a major role in their phylogenetic analysis, their structure, however, is very rarely fossilized. Here we describe and interpret specimens of the brachiopod Lingulellotreta malongensis, from the Lower Cambrian Chengjiang Lagerstätte (South China), one of the earliest known taxa of the Lingulellotretidae, in which lophophores and intact, U−shaped digestive tracts are extraordinarily well−preserved. The lophophore, with clearly preserved tentacles, corresponds to an early spirolophe developmental stage. The digestive tract consists of a mouth, esophagus, distended stomach, intestine and an anterior anus, and differs from that of the Chengjiang obolid Lingulella chengjiangensis by the presence of the dilated stomach and by the absence of a looped intestine as in Lingula. In addition, the relative sizes of the mantle and visceral cavities of Lingulellotreta malongensis also are described. These fossils demonstrate that by the Atdabanian brachiopods had already possessed advanced features, and suggest that a lophophore and a U−shaped intestine with an anterior anus are brachiopod plesiomorphies.
    Źródło:
    Acta Palaeontologica Polonica; 2004, 49, 2
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Trunk ornament on the palaeoscolecid worms Cricocosmia and Tabelliscolex from the Early Cambrian Chengjiang deposits of China
    Autorzy:
    Han, J
    Liu, J.
    Zhang, Z.
    Zhang, X.
    Shu, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/23260.pdf
    Data publikacji:
    2007
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Tematy:
    Tabelliscolex hexagonus
    Palaeoscolecida
    Priapulida
    Chengjiang deposit
    Cricocosmia jinningensis
    trunk ornament
    fossil worm
    China
    Early Cambrian
    Cambrian
    Lower Cambrian
    paleontology
    Opis:
    Cricocosmia jinningensis, one of the most abundant palaeoscolecid worms from the Lower Cambrian Chengjiang deposits of south China, was originally described as bearing double longitudinal rows of lateral conical sclerites on the trunk. New observation reveals that the ventral trunk bears an additional set of ventral sclerites while the lateral sclerites display a tubercle−bearing (inner surface) and net−like (outer surface) microstructure similar to that of Tabelliscolex hexagonus. These findings mean that: (1) Cricocosmia shows a dorso−ventral and antero−posterior differentiation in trunk ornament; (2) as seen from the microstructure, Cricocosmia is close to Tabelliscolex hexagonus, supporting the idea that lobopodians and arthropods, both of which show an upper capping layer in the outer sclerites, are more closely related than the palaeoscolecidans; and (3) the similarities among the scalids, pharyngeal teeth and the trunk spines of palaeoscolecidans are superficial. Tabelliscolex maanshanensis sp. nov., characterized by an inner concentric circlet of laminae in each tubercle of the lateral trunk plate, is proposed herein. Element mapping reveal that four known pathways of preservation can be found co−occurring in a single specimen of Cricocosmia or Tabelliscolex, which sheds new light on the preservation of the Chengjiang fossils.
    Źródło:
    Acta Palaeontologica Polonica; 2007, 52, 2
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-8 z 8

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