Results 21 to 30 of about 1,247,431 (166)
Gongye shui chuli, 2004 以过硼酸钠为稳定剂制备稳定性二氧化氯溶液(稳定液)。通过对稳定液性质的测定、溶液稳定性试验、纸色谱分析和红外光谱分析,以及在与以过碳酸钠为稳定剂的稳定液作对比分析的基础上,结合配位化学理论,提出在以过硼酸钠为稳定剂的稳定性二氧化氯溶液中ClO2是以活性配位化合物的形式存在,并推测了其可能的分子结构。
贺启环, 潘慧云, 谢慧芳
doaj
Scientists’ warning on the global destruction of rock outcrop ecosystems
Conservation Biology, EarlyView.Abstract Rock outcrops are geological formations that harbor a highly specialized biota adapted to harsh environmental conditions that differ from their surrounding landscapes. They are globally distributed, especially in old, highly weathered landscapes, and can function as habitat islands containing high levels of endemism and distinct evolutionary ...
Luiza F. A. de Paula +19 more
wiley +1 more source
Zhongguo shiyan zhenduanxue, 2010 目的检测微卫星不稳定与卵巢癌的关系。方法收集卵巢癌患者及对照组的血液标本,提取循环血DNA,设计特异性引物,采用PCR-SSCP及测序分析的方法检测卵巢癌患者循环血中微卫星不稳定性与卵巢癌易感性的关系,分析微卫星不稳定性与卵巢癌患者的病理类型、临床病理分期等相关性。结果卵巢癌组中浆液性囊腺癌、粘液性囊腺癌、子宫内膜样癌、库肯勃瘤及其他类型发生微卫星不稳定的频率相比较差异具有显著性 ...
冷维春, 刘俊宝, 陈凤
doaj
Conservation Biology, EarlyView.Abstract Ecological niche models (ENMs) are used to assess the abiotic preferences of species by linking their occurrences to the environmental conditions in which they live. We developed a fossil‐informed ENM framework that integrates mid‐Holocene and modern occurrences to test niche stability and reconstruct abiotic niche characteristics for four ...
Claire. M. Williams +3 more
wiley +1 more source
Assessing and strengthening community‐based coastal governance
Conservation Biology, EarlyView.Abstract Community‐based coastal governance is essential for biodiversity conservation and sustainable livelihoods, yet many communities continue to face significant challenges in establishing and sustaining effective governance systems. We sought to improve understanding of the current status of community‐based coastal governance across five countries
Mark Andrachuk +21 more
wiley +1 more source
Psychometric framework for coexistence with large carnivores
Conservation Biology, EarlyView.Abstract Human–carnivore coexistence is essential for biodiversity conservation, yet measuring the attitudes and behaviors that support it remains methodologically challenging. We developed psychometric scales to assess willingness to coexist with carnivores and the underlying beliefs of this coexistence through an iterative expert elicitation process ...
Benjamin Ghasemi +14 more
wiley +1 more source
Behavioral interventions to reduce demand for threatened freshwater turtles as pets
Conservation Biology, EarlyView.Abstract Growing demand for freshwater turtles as pets has fueled illegal trade and accelerated wild population declines, underscoring the need for theory‐based demand‐reduction interventions. We conducted a three‐part randomized controlled trial with active turtle keepers (n = 1800) in China to test conservation‐ and legality‐framed messages by ...
Wuji Zheng +9 more
wiley +1 more source
, 1981 本文从考虑几何非线性的塑性大变形基本方程出发,讨论了塑性大变形问题的唯一性、稳定性与极值原理。提出了确定边值问题的解的唯一性判别准则;分析了平衡状态稳定性的充分条件 ...
王自强
core
Microstructure Engineering Toward High Cost‐Effective Nd–Fe–B Sintered Magnets: A Review
Rare Metals, Volume 45, Issue 7, July 2026.ABSTRACT Nd–Fe–B sintered magnets, critical for enhancing electromechanical conversion efficiency and operational stability in wind turbines and electric vehicle drives, are prized for their outstanding coercivity, high remanence, and superior maximum energy product.
Dongmin Zhang +5 more
wiley +1 more source