Academic literature on the topic 'POROPHYTE'

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Journal articles on the topic "POROPHYTE"

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García-González, Alfredo, Anne Damon, Frander Riverón-Giró, and Irene Ávila-Díaz. "Circular distribution of three species of epiphytic orchids in shade coffee plantations, in Soconusco, Chiapas, Mexico." Plant Ecology and Evolution 149, no. (2) (2016): 189–98. https://doi.org/10.5091/plecevo.2016.1150.

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<b>Background and aims</b> – Cardinal orientation of individuals is one of the least known and understood ecological or demographic factor governing the dynamics of epiphytic orchid populations. The circular distribution of three epiphytic orchids, <i>Oncidium poikilostalix, Oncidium guatemalenoides</i> and <i>Lepanthes acuminata</i>, was studied in shaded coffee plantations in the region of Soconusco, Chiapas, Mexico. A preference for a certain cardinal orientation on the phorophytes was analyzed, using circular statistics.<b>Methods</b> – Circular distribution tendencies were compared betwee
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Markov, A. V., Tahseen A. Saki, and E. V. Tokareva. "The effect of the decomposition of porophore azodicarbonamide on the foaming process of polymer compositions." Plasticheskie massy, no. 9-10 (November 19, 2020): 35–39. http://dx.doi.org/10.35164/0554-2901-2020-9-10-35-39.

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The processes of decomposition of a porophore (azodicarbonamide) and foaming with its use of polyvinyl chloride compositions with different melt viscosities have been investigated and compared. The change in the viscosity of the PVC melts in the range from 5000 to 70,000 Pa·s was carried out by filling (with chalk) and plasticization (with dioctylphthalate). A general mathematical model that describes and relates the kinetics of gas evolution during the decomposition of porophore and foaming of polymer melts with different viscosities has been developed.
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Lapin, Ilya V., and Ilfar M. Gilmutdinov. "Production of aluminum foam using an alternative porophore." Yugra State University Bulletin 20, no. 1 (2024): 46–50. http://dx.doi.org/10.18822/byusu20240146-50.

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Subject of research: blowing agent in the form of natural CaCO3 powder to obtain high-quality aluminum foam material. Purpose of research: selection of the optimal type of foam as a pore-forming element and production of aluminum foam with special functional properties. Methods and objects of research: when studying the gas-forming properties, the residual substances and thermal stability of the powder were determined using a thermogravimetric analyzer TG-DTG, DSC. The processes of obtaining aluminum foam samples sintered in a protective environment on an experimental installation are consider
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Jin, Qing, Jiali Li, Jibao Jiang, and Jiangping Qiu. "Four new earthworm species of the genera Amynthas and Metaphire (Oligochaeta, Megascolecidae) from Hunan and Anhui provinces, China." ZooKeys 1210 (August 26, 2024): 247–71. http://dx.doi.org/10.3897/zookeys.1210.125963.

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This paper describes four new species earthworms from Hunan and Anhui provinces, China, Amynthas xiangtanensis Qiu &amp; Jin, sp. nov., Amynthas taoyuanensis Qiu &amp; Jin, sp. nov., Amynthas xuanchengensis Jin &amp; Li, sp. nov. and Metaphire donganensis Jin &amp; Jiang, sp. nov.Amynthas xiangtanensissp. nov., and A. taoyuanensissp. nov. belong to the Amynthas corticis group. Both have four pairs of intersegmental spermathecal pores in 5/6–8/9; male pores in segment XVIII, separated by 1/3 of body circumference, each on top of a slightly raised porophore, surrounded by several tiny genital pa
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Jin, Qing, Jiali Li, Jibao Jiang, and Jiangping Qiu. "Four new earthworm species of the genera Amynthas and Metaphire (Oligochaeta, Megascolecidae) from Hunan and Anhui provinces, China." ZooKeys 1210 (August 26, 2024): 247–71. https://doi.org/10.3897/zookeys.1210.125963.

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This paper describes four new species earthworms from Hunan and Anhui provinces, China, <i>Amynthas xiangtanensis</i> Qiu &amp; Jin, sp. nov., <i>Amynthas taoyuanensis</i> Qiu &amp; Jin, sp. nov., <i>Amynthas xuanchengensis</i> Jin &amp; Li, sp. nov. and <i>Metaphire donganensis</i> Jin &amp; Jiang, sp. nov. <i>Amynthas xiangtanensis</i> sp. nov., and <i>A. taoyuanensis</i> sp. nov. belong to the <i>Amynthas corticis</i> group. Both have four pairs of intersegmental spermathecal pores in 5/6–8/9; male pores in segment XVIII, separated by 1/3 of body circumference, each on top of a slightly rai
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RODRIGUEZ, PILAR, and STEVEN V. FEND. "New Nearctic Eremidrilus species (Clitellata: Lumbriculidae). Part 2, western species with one spermathecal segment." Zootaxa 5159, no. 2 (2022): 96–115. http://dx.doi.org/10.11646/zootaxa.5159.2.4.

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Three new species of the lumbriculid genus Eremidrilus Fend &amp; Rodriguez, 2003 are described from rivers in California, Nevada and Idaho, USA. The new species share the typical characters of the genus: a filiform proboscis, semiprosoporous male ducts and atria in X, spermathecae paired in the postatrial segment and male pores usually associated with distinct porophores. Species in Eremidrilus have either two spermathecal segments, XI and XII, or only one, XI. Compared with other Eremidrilus species having only one pair of spermathecae in XI, E. chalonensis n. sp. is mainly distinguished by
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Budnicka, Monika, Joanna Trzaskowska, Agnieszka Gadomska-Gajadhur, Paweł Ruśkowski, and Ludwik Synoradzki. "Preparation of polylactide scaffolds for cancellous bone regeneration – preliminary investigation and optimization of the process." Pure and Applied Chemistry 91, no. 9 (2019): 1509–19. http://dx.doi.org/10.1515/pac-2018-0708.

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Abstract Polylactide scaffolds were prepared for the cancellous bone regeneration by the phase inversion method with freeze-extraction variant. A preliminary investigation and the optimization of the process were performed. For the obtained scaffolds, regression equations determining the effect: PLLA concentration by weight in 1,4-dioxane; volume ratio of the porophore/PLLA solution in 1,4-dioxane; and implant-forming solution pouring temperature, on the open porosity and mass absorbability were determined. The conditions in which the obtained implants were characterized by the maximal absorba
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LAPIN, I. V., I. M. GILMUTDINOV, and R. N. ASKAROVA. "OBTAINING POROUS COPPER BY DECOMPOSITION OF PORO-FORMING PARTICLES." IZVESTIA VOLGOGRAD STATE TECHNICAL UNIVERSITY, no. 2(285) (February 2024): 47–51. http://dx.doi.org/10.35211/1990-5297-2024-2-285-47-51.

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The article discusses the main functional properties of copper foam material obtained by molding and sintering copper with a blowing agent in the form of CaCO3. The raw materials for pore formation were selected and TGA analysis was carried out to determine the maximum decomposition of the presented porophore. The main characteristics (particle dispersion, amount of component, amount of pore-forming phase during decomposition, etc.) of the used powder blowing agent in the form of CaCO3 were selected experimentally. The physical and mechanical properties of the obtained copper foam samples were
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LI, JIALI, JIBAO JIANG, QING JIN, ZHU YUAN, HONG LIU, and JIANGPING QIU. "Three new species of the genus Amynthas (Oligochaeta: Megascolecidae) from Guangxi Zhuang Autonomous Region, China." Zootaxa 5410, no. 1 (2024): 49–66. http://dx.doi.org/10.11646/zootaxa.5410.1.2.

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Three new earthworm species of the genus Amynthas Kinberg, 1867 were found in Guangxi Zhuang Autonomous Region, China: Amynthas huapingensis sp. nov., Amynthas retentus sp. nov. and Amynthas linguiensis sp. nov. Amynthas huapingensis sp. nov. belongs to Amynthas corticis-group characterized by having four pairs of spermathecal pores in 5/6–8/9; Amynthas retentus sp. nov., without spermathecal pores, belongs to Amynthas illotus-group; Amynthas huapingensis sp. nov. and Amynthas retentus sp. nov. have similar characteristics of male porophores medially surrounded by 2–3 genital papillae in a pul
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Luan, Hexiang, Jianting Yao, Zhihang Chen, and Delin Duan. "The 40S Ribosomal Protein S6 Response to Blue Light by Interaction with SjAUREO in Saccharina japonica." International Journal of Molecular Sciences 20, no. 10 (2019): 2414. http://dx.doi.org/10.3390/ijms20102414.

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Blue light (BL) plays an important role in regulation of the growth and development of aquatic plants and land plants. Aureochrome (AUREO), the recent BL photoreceptor identified in photosynthetic stramenopile algae, is involved in the photomorphogenesis and early development of Saccharina japonica porophytes (kelp). However the factors that interact with the SjAUREO under BL conditions specifically are not clear. Here in our study, three high quality cDNA libraries with CFU over 5 × 106 and a recombination rate of 100% were constructed respectively through white light (WL), BL and darkness (D
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Conference papers on the topic "POROPHYTE"

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КОРОЛЕВА О, В., Г. КОПЫЛОВА А, П. ПОЛЯНСКИЙ О, and В. ПРОКОПЬЕВ А. "GEOCHEMICAL FEATURES OF QUARTZ SYENITE-POROPHYRES OF THE OLEKMINSK STOCK FROM THE CHARA-SINSK DYKE SWARM, YAKUTSK-VILYUI LARGE IGNEOUS PROVINCE." In ГЕОЛОГИЯ И МИНЕРАЛЬНО-СЫРЬЕВЫЕ РЕСУРСЫ СЕВЕРО-ВОСТОКА РОССИИ 2024. Crossref, 2024. http://dx.doi.org/10.53954/9785604990100_332.

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The new geochemical data on rare and rare earth elements and their interpretation together with those previously published for syenite-porphyries of the Olekminsk stock of the Chara-Sinsk dyke swarm of the Vilyui paleorift will be present in the report. The features of the felsic rocks formation, their belonging to the magmatism of the Yakutsk-Vilyui large igneous province will be show. A mixture of indicators of the different sources has been established for quartz syenite porphyries: both depleted mantle (plume) and oceanic island basalts (OIB). Probably the presence of garnet in the source.
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