Results 11 to 20 of about 109,422 (246)

Sex or Fission? Genetics Highlight Differences in Reproductive Strategies of Two Sympatric Fissiparous Sea Cucumber Species in Reunion Island (Southwestern Indian Ocean)

Diversity, 2023
Holothuria leucospilota and Stichopus chloronotus are among the most widespread tropical sea cucumber species usually harvested for food and medicine in Asian countries, for which natural stocks have collapsed worldwide.
Joséphine Pierrat, Nicolas Oury, Patrick Frouin, Hélène Magalon   +3 more
doaj   +1 more source

High Genetic Diversity of an Invasive Alien Species: Comparison between Fur-Farmed and Feral American Mink (Neovison vison) in China

Animals, 2021
Genetic characteristics play an important role in alien species for achieving high adaptation and rapid evolution in a new environment. The American mink (Neovison vison) is one of the best-known and most widespread invasive species that has successfully
Lina Zhang, Yan Hua, Shichao Wei
doaj   +1 more source

Phase Ib study of anlotinib combined with TQB2450 in pretreated advanced biliary tract cancer and biomarker analysis

Hepatology, EarlyView., 2022
Phase 1b study of anlotinib combined with TQB2450 in pretreated advanced biliary tract cancer and biomarker analysis. Abstract Background and Aims We evaluated the efficacy and safety of the antiangiogenic tyrosine kinase inhibitor anlotinib plus TQB2450, a programmed death‐ligand 1 inhibitor in pretreated advanced biliary tract cancers (BTCs ...
Jun Zhou, Yongkun Sun, Wen Zhang, Jiajia Yuan, Zhi Peng, Wei Wang, Jifang Gong, Lin Yang, Yanshuo Cao, Hong Zhao, Chao Chen, Weifeng Wang, Lin Shen, Aiping Zhou   +13 more
wiley   +1 more source

Revisiting the two-side optimization problem in satellite pursuit-evasion

MATEC Web of Conferences, 2017
In the present paper two-side optimization problem where the intercepting satellite pursuits the target satellite was studied. In the pursuit-evasion game the continuous thruster and the simple central gravity with J2 perturbation were involved for two ...
Zhang KeKe, Mu ZhongCheng, Ye Dong, Qi JinLing   +3 more
doaj   +1 more source

Design and Performance of X-Band SAR Payload for 80 kg Class Flat-Panel-Type Microsatellite Based on Active Phased Array Antenna

Aerospace, 2022
The small synthetic aperture radar (SAR) technology experimental project (S-STEP) mission aims to develop an innovative spaceborne SAR microsatellite as a constellation of 32 microsatellites featuring a high-resolution stripmap mode of 1 m. The S-STEP is
Seok Kim, Chan-Mi Song, Seung-Hun Lee, Sung-Chan Song, Hyun-Ung Oh   +4 more
doaj   +1 more source

SSR and 18S rDNA based molecular profiling of Neopyropia yezoensis (Rhodophyta) in China: insight into genetic impact of laver aquaculture on wild resource

Frontiers in Marine Science, 2023
Neopyropia yezoensis is a typical intertidal seaweed and an indispensable species for conservation of seaweed resources. As one of the most important marine vegetables, the cultivation area of N.
Hui Xu, Hui Xu, Rujie Jia, Zhourui Liang, Xiaoping Lu, Wenjun Wang, Wenjun Wang   +6 more
doaj   +1 more source

Genetic diversity and population structure analysis of Philippine native pigs highlight five priority populations for conservation

Ecology and Evolution, 2023
The Philippine native pig (PhNP) is a unique genetic resource composed of multiple domesticated Sus scrofa lineages and interspecific hybrids. No prior study has determined the population structure and genetic diversity of PhNPs on multiple islands and ...
Joy B. Banayo, Kathlyn Louise V. Manese, Kaito O. Furusho, Agapita J. Salces, Takahiro Yamagata   +4 more
doaj   +1 more source

European guidelines from the EHTG and ESCP for Lynch syndrome: an updated third edition of the Mallorca guidelines based on gene and gender

BJS (British Journal of Surgery), EarlyView., 2020
Recommendations for clinical and molecular identification of LS, surgical and endoscopic management of LS‐associated colorectal cancer and preventive measures for cancer were produced. The emphasis was on surgical and gastroenterological aspects of the cancer spectrum.
T. T. Seppälä, A. Latchford, I. Negoi, A. Sampaio Soares, R. Jimenez‐Rodriguez, L. Sánchez‐Guillén, D. G. Evans, N. Ryan, E. J. Crosbie, M. Dominguez‐Valentin, J. Burn, M. Kloor, M. von Knebel Doeberitz, F. J. B. van Duijnhoven, P. Quirke, J. R. Sampson, P. Møller, G. Möslein, on behalf of the European Hereditary Tumour Group (EHTG) and European Society of Coloproctology (ESCP)   +18 more
wiley   +1 more source

Analysis of Observation Modes for Space-Based Inverse Synthetic Aperture Lidar Based on Target Characteristics

Aerospace
With the increasing congestion in orbital environments, on-orbit observation has become critical for spacecraft safety. This study investigated the observation performance of space-based inverse synthetic aperture lidar (ISAL) for monitoring on-orbit ...
Ruimin Shen, Jingpeng Zhang, Lei Dong, Zhenzhen Zheng, Haiying Hu   +4 more
doaj   +1 more source

Research on Self-Monitoring Method for Anomalies of Satellite Atomic Clock

International Journal of Aerospace Engineering, 2016
Atomic clock is the core component of navigation satellite payload, playing a decisive role in the realization of positioning function. So the monitoring for anomalies of the satellite atomic clock is very important.
Lei Feng, Guotong Li
doaj   +1 more source