Results 11 to 20 of about 932,600 (159)
野生动物学报, 2014 研究动物行为能够揭示动物的活动规律、探索动物与环境之间的关系、探讨动物行为调节与适应环境,而构建动物行为谱是开展动物行为研究的基石。2012年3～8月,通过对生活在半自然水域内9头长江江豚(Neophocaena phocaenoides asiaeorientalis)的系统观察,定义了更趋于自然属性的长江江豚45种常见行为,构建了半自然水域长江江豚的水上行为谱。行为谱主要归纳为28种本能性行为和17种社会性行为。首次对半野生条件下长江江豚的行为进行定义和分类,并对社会行为的生物学意义进行了简要解释。
陈 燃 李进华 项 鹰
doaj +1 more source
, 2005 对行为的定义和描述是定量开展行为学研究的前提与基础。通过对人工饲养环境下长江江豚行为的观察、记录和分析,定义和描述了长江江豚近40种行为。在此基础上,初步构建了人工饲养环境下长江江豚行为学研究所必需的行为谱,由活跃的水面行为、玩耍、索食、社群行为、性行为、休息、摩擦、杂类八个类别组成 ...
肖建强,王丁
core
Separation of Sanggenon C from SANG-BAI-PI(从桑白皮中提取药物成分桑根酮C)
Zhejiang Daxue xuebao. Lixue ban, 2001 开发了从中药桑白皮中分离和精制桑根酮C的工艺路线.用紫外光谱、红外光谱、质谱以及核磁共振谱（13C-NMR与1H-NMR）进行结构鉴定，证实其为桑根酮C（Sanggenon C）.
LUXiang-hong(陆向红) +3 more
doaj +1 more source
New Phytologist, EarlyView.Biosynthesis and accumulation of tanshinones in the periderm of Salvia miltiorrhiza during secondary root growth. Summary Perennial herbs develop long‐lived roots that undergo repeated cycles of secondary growth, during which the periderm functions as a protective barrier and a major site of specialized metabolite accumulation.
Licheng Liu +19 more
wiley +1 more source
Rare Metals, Volume 45, Issue 6, June 2026.ABSTRACT Near‐infrared (NIR) phosphors with broadband and efficient emission are pivotal for the performance of NIR phosphor‐converted light emitting diodes (pc‐LEDs). In this study, the double perovskite phosphor La2MgTiO6:Cr3+ phosphor with broadband emission in the range of 650–950 nm was prepared.
Xu Qian +7 more
wiley +1 more source
Atomically Thin Sn:GaN‐GaN Homojunction for High‐Sensitivity β‐Ray Detection
Rare Metals, Volume 45, Issue 6, June 2026.ABSTRACT Gallium nitride (GaN), a third‐generation wide‐bandgap semiconductor renowned for its superior radiation tolerance, holds promise for advanced β‐ray detection. Herein, a scalable liquid metal‐assisted in situ synthesis method is presented to fabricate Sn‐doped GaN homojunctions via gallium oxide printing followed by ammonolysis, enabling ...
Weiqing Liu +8 more
wiley +1 more source
Zhejiang Daxue xuebao. Lixue ban, 2017 建立了超高效液相色谱串联质谱法测定水产品中的红霉素残留量.样品用改进的QuEChERS（快速、简单、廉价、高效、灵活和安全）进行提取净化，经乙腈快速提取，无水硫酸镁和氯化钠除水后，用N-丙基乙二胺(PSA)净化，液相色谱串联质谱分析测定.在ACQUITY UPLC BEH C18色谱柱上进行分离，采用梯度洗脱，以0.1%甲酸水溶液和甲醇为流动相，电喷雾正离子电离，多反应监测模式，内标法定量.结果表明：红霉素浓度在0.5~50 µg • L-1时具有良好的线性关系，相关系数为0.997 6，定量限为0.3
YANZhongyong(严忠雍) +7 more
doaj +1 more source
Wildlife Letters, Volume 4, Issue 2, Page 73-82, June 2026.Eimeria saudiensis represents a genus of apicomplexan parasites capable of inducing coccidiosis in Arabian oryx. Our research concentrated on the morphological and molecular investigation of Eimeria spp. in the captive oryx herd in Oman. The therapeutic and management practices employed at the Mammals Breeding Center were reassessed to diminish ...
Khalid Al‐Habsi +7 more
wiley +1 more source
Methods in Ecology and Evolution, Volume 17, Issue 6, Page 1896-1909, June 2026.Abstract Molecular identification of insect food webs can accurately reveal complex trophic interactions and serve as a foundation for understanding ecosystem functioning and advancing biodiversity conservation. This process typically involves DNA library construction, high‐throughput sequencing and subsequent steps, including data assembly, annotation,
Xiao‐man Zhang +9 more
wiley +1 more source
野生动物学报, 2018 鸟类的行为学研究是对其进行深层次生态学研究以及开展保护和管理行动的前提,而清晰且完整的个体行为谱则是保证行为学研究在统一框架内进行的基础。作为青藏高原的特有物种,黑颈鹤(Grus nigricollis)目前仍是研究最为薄弱的鹤类之一,而其行为谱的缺乏使得有限的已有研究结果难以比较和取舍。基于此,本文于2012～2015年间在黑颈鹤的繁殖地和越冬地开展野外工作,通过野外观察以及获取的影像资料,对其个体行为进行了细致的描述并完成了个体行为谱的构建。本文以静息姿态为基础,将黑颈鹤的个体行为分为休憩行为 ...
韩雪松 郭玉民
doaj