A new species of Macandrewia Gray from a seamount near Yap Trench in the Western Pacific Ocean was described.Macandrewia yapensis sp.nov.is distinct from its congeners by possessing a foliate shape with contorted lame...A new species of Macandrewia Gray from a seamount near Yap Trench in the Western Pacific Ocean was described.Macandrewia yapensis sp.nov.is distinct from its congeners by possessing a foliate shape with contorted lamellae,tuberculiform terminations of desmas,and unique size of spicules.This is the third species of Macandrewia described from the Pacific Ocean.In addition a partial sequence of COI gene was obtained from the new specimen and then it submitted to GenBank.Phylogenetic tree constructed with the partial COI sequences appears to exhibit a more congruent relationship with morphological data of macandrewiid species compared to 28 S gene tree.展开更多
We numerically investigate the mid-infrared(MIR)supercontinuum(SC)and SC-based optical frequency comb(OFC)generations when the three optical modes(LP_(01),LP_(02),and LP_(12))are considered in a multimode tellurite ph...We numerically investigate the mid-infrared(MIR)supercontinuum(SC)and SC-based optical frequency comb(OFC)generations when the three optical modes(LP_(01),LP_(02),and LP_(12))are considered in a multimode tellurite photonic crystal fiber(MM-TPCF).The geometrical parameters of the MM-TPCF are optimized to support the multimode propagation and obtain the desired dispersion characteristics of the considered three optical modes.When the pump pulse with center wavelengthλ=2.5μm,width T=80 fs,and peak power P=18 kW is coupled into the anomalous dispersion region of the LP_(01),LP_(02),and LP_(12)modes of the MM-TPCF,the-40-dB bandwidth of the generated MIR SCs can be up to 2.56,1.39,and 1.12 octaves,respectively,along with good coherence.Moreover,the nonlinear dynamics of the generated SCs are analyzed.Finally,the MIR SCs-based OFCs are demonstrated when a train of 50 pulses at 1-GHz repetition rate is used as the pump source and launched into the MM-TPCF.展开更多
Objective:To explore the impact of a continuity of care model on negative emotions and self-efficacy in patients undergoing digestive endoscopic tumor resection.Methods:A retrospective analysis was conducted on 80 pat...Objective:To explore the impact of a continuity of care model on negative emotions and self-efficacy in patients undergoing digestive endoscopic tumor resection.Methods:A retrospective analysis was conducted on 80 patients who underwent digestive endoscopic tumor resection in the Gastroenterology Department of Baoying County People’s Hospital between October 2022 and October 2024.Patients were randomly divided into a control group(n=40)and an observation group(n=40)using a random number table.The control group received routine nursing care,while the observation group was additionally provided with continuity of care interventions.After two months of intervention,the negative emotions and self-efficacy of the two groups were compared and statistically analyzed.Results:There was no statistically significant difference in baseline data between the two groups(P>0.05).After two months of intervention,the observation group demonstrated significantly lower HAMD and HAMA scores compared to the control group(both P=0.000),and significantly higher GSES scores(P=0.000).Conclusion:Applying a continuity of care model to patients undergoing digestive endoscopic tumor resection can alleviate negative emotions,enhance self-efficacy,and improve self-care abilities.展开更多
This work reports on a preliminary taxonomic study of epibenthic macroinvertebrates collected or observed by underwater video at the Haima cold seeps and in adjacent deep-sea habitats,including a mud volcano feld and ...This work reports on a preliminary taxonomic study of epibenthic macroinvertebrates collected or observed by underwater video at the Haima cold seeps and in adjacent deep-sea habitats,including a mud volcano feld and Ganquan Plateau,during an expedition in the South China Sea by the Chinese-manned submersible Shenhai Yongshi in May 2018.A total of 41 species belonging to 6 phyla were identifed,among which 34 species were collected from the Haima cold seeps.Mollusks and crustaceans that are specialized in reducing habitats were predominant in biotopes of the Haima cold seeps,whereas sponges and cold-water corals and their commensals were prominent in communities of the mud volcano feld and the slopes of Ganquan Plateau.The distribution and faunal composition of each taxonomic group are discussed.展开更多
基金the Science&Technology Basic Resources Investigation Program of China(No.2017FY100804)the Biological Resources Program,Chinese Academy of Sciences(No.KFJ-BRP-017-37)+1 种基金the National Key R&D Program of China(No.2018YFC0309804)the National Natural Science Foundation of China(No.41706188)。
文摘A new species of Macandrewia Gray from a seamount near Yap Trench in the Western Pacific Ocean was described.Macandrewia yapensis sp.nov.is distinct from its congeners by possessing a foliate shape with contorted lamellae,tuberculiform terminations of desmas,and unique size of spicules.This is the third species of Macandrewia described from the Pacific Ocean.In addition a partial sequence of COI gene was obtained from the new specimen and then it submitted to GenBank.Phylogenetic tree constructed with the partial COI sequences appears to exhibit a more congruent relationship with morphological data of macandrewiid species compared to 28 S gene tree.
基金Project supported by the National Natural Science Foundation of China(Grant Nos.12074331,61875238,and 61971373)the Natural Science Foundation of Hebei Province,China(Grant Nos.F2021203002,F2019203549,and F2020203050)the Science and Technology Support Projects of Research and Development Plans of Qinhuangdao City(Grant No.202004A001).
文摘We numerically investigate the mid-infrared(MIR)supercontinuum(SC)and SC-based optical frequency comb(OFC)generations when the three optical modes(LP_(01),LP_(02),and LP_(12))are considered in a multimode tellurite photonic crystal fiber(MM-TPCF).The geometrical parameters of the MM-TPCF are optimized to support the multimode propagation and obtain the desired dispersion characteristics of the considered three optical modes.When the pump pulse with center wavelengthλ=2.5μm,width T=80 fs,and peak power P=18 kW is coupled into the anomalous dispersion region of the LP_(01),LP_(02),and LP_(12)modes of the MM-TPCF,the-40-dB bandwidth of the generated MIR SCs can be up to 2.56,1.39,and 1.12 octaves,respectively,along with good coherence.Moreover,the nonlinear dynamics of the generated SCs are analyzed.Finally,the MIR SCs-based OFCs are demonstrated when a train of 50 pulses at 1-GHz repetition rate is used as the pump source and launched into the MM-TPCF.
文摘Objective:To explore the impact of a continuity of care model on negative emotions and self-efficacy in patients undergoing digestive endoscopic tumor resection.Methods:A retrospective analysis was conducted on 80 patients who underwent digestive endoscopic tumor resection in the Gastroenterology Department of Baoying County People’s Hospital between October 2022 and October 2024.Patients were randomly divided into a control group(n=40)and an observation group(n=40)using a random number table.The control group received routine nursing care,while the observation group was additionally provided with continuity of care interventions.After two months of intervention,the negative emotions and self-efficacy of the two groups were compared and statistically analyzed.Results:There was no statistically significant difference in baseline data between the two groups(P>0.05).After two months of intervention,the observation group demonstrated significantly lower HAMD and HAMA scores compared to the control group(both P=0.000),and significantly higher GSES scores(P=0.000).Conclusion:Applying a continuity of care model to patients undergoing digestive endoscopic tumor resection can alleviate negative emotions,enhance self-efficacy,and improve self-care abilities.
基金This work was financially supported by the National Key R&D Program of China,(No.2018YFC0310800)the China Ocean Mineral Resources Research and Development Association Program(Nos.DY135-E2-3-04&DY135-E2-1-02)+1 种基金the National Natural Science Foundation of China(NSFC)(Nos.41876178&31572229)the Senior User Project of RV KEXUE(No.KEXUE2018G25).
文摘This work reports on a preliminary taxonomic study of epibenthic macroinvertebrates collected or observed by underwater video at the Haima cold seeps and in adjacent deep-sea habitats,including a mud volcano feld and Ganquan Plateau,during an expedition in the South China Sea by the Chinese-manned submersible Shenhai Yongshi in May 2018.A total of 41 species belonging to 6 phyla were identifed,among which 34 species were collected from the Haima cold seeps.Mollusks and crustaceans that are specialized in reducing habitats were predominant in biotopes of the Haima cold seeps,whereas sponges and cold-water corals and their commensals were prominent in communities of the mud volcano feld and the slopes of Ganquan Plateau.The distribution and faunal composition of each taxonomic group are discussed.
