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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
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Insights Into the Temperature‐Dependent Oxidation Mechanism of Metallic Cerium in H2O‐N2 Atmospheres
Rare Metals, Volume 45, Issue 8, August 2026.ABSTRACT Metallic cerium (Ce), a widely used surrogate for actinide metals, enables mechanistic studies of reactions in complex gas environments under controlled and safer laboratory conditions. Here, the oxidation behavior of Ce in H2O‐N2 mixed atmospheres was investigated from 200°C to 350°C using in situ thermogravimetry–mass spectrometry, in situ X‐
Kun Huang +10 more
wiley +1 more source
野生动物学报, 2012 从2011年12月到2012年4月,应用全事件取样法和目标动物取样法对南昌动物园2只处于育龄期的华南虎进行了丰容前后的行为观察,对丰容前后行为发生的时间分配、行为比例进行了研究比较。结果显示:丰容前主要出现踱步行为（刻板行为）,休息行为和摄食行为（摄食行为的发生受人为控制）等行为,丰容后行为谱明显丰富,行为种类增多,玩耍行为,社会行为占据整个行为谱的时间比重加大,丰容前后行为存在显著的差异。研究结构表明可以通过丰容来改变华南虎的行为节律,从而减少其刻板行为,增加了社会行为 ...
吴志勇, 李东涛, 刘道强
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New Phytologist, Volume 251, Issue 3, Page 1267-1282, August 2026.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
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Gongye shui chuli, 2020 以城市污水处理系统中DOM为分析对象，综述了DOM的分析检测技术方法，包括树脂/超滤膜分离技术、紫外-可见吸收光谱、三维荧光光谱（3D-EEM）等，并就含碳气态化合物（CO2和CH4）的资源化利用和液相中DOM，尤以溶解性微生物代谢产物（SMPs）的环境行为研究进展进行了总结，以期为准确评估和客观分析城市污水处理系统中DOM的环境行为提供参考。
王化杰, 桂和荣, 刘桂建
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Rare Metals, Volume 45, Issue 7, July 2026.ABSTRACT Heteroatom coordination regulation is an effective strategy to enhance Fenton‐like catalysis of single atom catalysts, yet its impact on the local microenvironment of active sites still requires in‐depth investigation. Herein, Cl2–Fe–NC catalysts with axial Cl coordination are prepared.
Jing‐Hao Yan +6 more
wiley +1 more source
Dizhen xuebao以震级为ML1.3—3.0的1万2 936条人工爆破微震记录和1万3 215条天然微震波形为研究对象，对其原始地震波形进行1—30 Hz带通滤波以去除长周期干扰，并基于长短时窗均值比（STA/LTA）算法进行P波识别与筛选。对处理后的地震波形数据进行S变换，获取其S谱能量曲线，然后将S谱能量曲线图转换为32×32像素的灰度特征图，并将其作为卷积神经网络的输入进行训练，基于训练好的模型进行10折交叉测试验证。结果显示地震与爆破事件的分类识别准确率高达97.80 ...
Juan Meng, Yanan Li, Qiang Gao
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Rare Metals, Volume 45, Issue 7, July 2026.ABSTRACT Precise and controllable laser wavelength modulation over a broad spectral range in nanoscale devices is pivotal for advancing next‐generation optoelectronic technologies. Herein, we synthesized high‐quality CsPbBr3 nanowires (NWs) via the anti‐solvent method and constructed a CsPbBr3/SiO2/Ag hybrid structure, demonstrating both photonic and ...
Yizun Zhou +10 more
wiley +1 more source
Zhejiang Daxue xuebao. Lixue ban, 2007 采用Q-Sepharose FF离子交换柱对初步纯化的Cry1Ab杀虫蛋白样品进行了多次循环精细纯化，洗脱模式为离子强度台阶梯度，流动相为Tris-HCl缓冲液加NaCl，盐浓度从0.1 mol •L-1变化到1.0 mol • L-1.结果表明，Cry1Ab蛋白在NaCl浓度为0.4 mol • L-1时从柱上被洗脱，并与杂蛋白很好地分离.色谱分离机制符合顶替色谱机制.经3次循环分离后可获得高纯度的Cry1Ab蛋白，用SDS-PAGE分析了蛋白的纯度及表观分子量，电泳胶上分离的蛋白进行原位酶切后 ...
LUANMing-ming(栾明明) +2 more
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Enhanced Dual‐Modality CT Imaging for Evaluating Hematogenous Metastasis During Photothermal Therapy
Rare Metals, Volume 45, Issue 7, July 2026.Dual‐modality computed tomography (CT) nanoprobes, BPP, are developed for real‐time microscopic monitoring of microvessel morphology and vascular permeability to provide predictive insights into cancer progression and metastasis. ABSTRACT Dynamic assessment of hematogenous metastasis is crucial for the tumor during photothermal therapy.
Yanhong Sun +7 more
wiley +1 more source