Results 21 to 30 of about 6,158 (93)
A Hilbert-type integral inequality with the homogeneous kernel of - 4-order(一个-4齐次核的Hilbert型积分不等式)
Zhejiang Daxue xuebao. Lixue ban, 2009 通过引入双参数及应用权函数的方法,建立一个核为-4齐次的Hilbert型积分不等式及等价式,并证明其常数因子为最佳值.作为应用,给出其逆向形式及一些特殊结果.
GEXiao-kui(葛晓葵)
doaj +1 more source
Role of low‐impact‐factor journals in conservation implementation
Conservation Biology, Volume 39, Issue 2, April 2025.Abstract Academic review, promotion, and tenure processes place a premium on frequent publication in high‐impact factor (IF) journals. However, conservation often relies on species‐specific information that is unlikely to have the broad appeal needed for high‐IF journals.
Jonathan J. Choi +8 more
wiley +1 more source
On the reverse Hardy-type integral inequalities with multi-parameter(关于逆向的参量化Hardy型积分不等式)
Zhejiang Daxue xuebao. Lixue ban, 2010 应用权函数与实分析的方法,引入两对共轭指数与一个独立参数,建立若干逆向、推广的Hardy型积分不等式,并证明其常数因子为最佳值,还考虑了其等价式及若干特殊结果.
YANGBi-cheng(杨必成)
doaj +1 more source
Conservation Biology, Volume 38, Issue 3, June 2024.Abstract Ecosystem state transitions can be ecologically devastating or be a restoration success. State transitions are common within aquatic systems worldwide, especially considering human‐mediated changes to land use and water use. We created a transferable conceptual framework to enable multiscale assessments of state resilience and early warnings ...
John T. Delaney, Danelle M. Larson
wiley +1 more source
Generalization of a Hilbert-type inequality related to Euler number(一个与Euler数有关的Hilbert型不等式的推广)
Zhejiang Daxue xuebao. Lixue ban, 2016 通过引入参数，利用实分析技巧，建立最佳常数因子与余割函数有关的Hilbert型积分不等式，推广了与Euler数有关的Hilbert型不等式.作为结论的应用，赋予参数不同的值，给出了一些特殊结果.
YOUMinghui(有名辉)
doaj +1 more source
On a Hilbert-type integral inequality with the homogeneous kernel of 0-degree(一个含零齐次核的Hilbert型积分不等式)
Zhejiang Daxue xuebao. Lixue ban, 2011 引进一个零齐次混合核，利用分析的方法和不等式理论，建立了 一个含参量且具有最佳常数因子的Hilbert型积分不等式及其等价形式.
HEBing(和炳)
doaj +1 more source
Zhejiang Daxue xuebao. Lixue ban, 2013 引入Γ-函数等特殊函数，利用权函数方法和实分析技巧，建立一个核为双曲正割函数的Hilbert型积分不等式及其等价式，证明了它们的常数因子是最佳值，并通过取特殊的参数值，得到一些有意义的结果.
LIUQiong(刘琼) +1 more
doaj +1 more source
Novel therapeutic agents for HbF induction: a new era for treatment of β thalassemia?
Thalassemia Reports, 2011 Fetal globin is endogenous, normally integrated in hematopoietic stem cells in all humans, and available for reactivation. Inducing expression of fetal globin (g-globin) gene expression to 60-70% of a globin synthesis produces β-thalassemia trait ...
S.P. Perrine
doaj +1 more source
Zhejiang Daxue xuebao. Lixue banBy introducing multiple parameters, and using partial fraction expansion of Cotangent function, a new Hilbert-type inequality defined in the whole plane with the constant factor related to the higher derivative of cotangent function is established. Also,
时小春(SHI Xiaochun)
doaj +1 more source
Zhongguo cuzhong zazhi目的 系统评价急性缺血性卒中静脉溶栓后症状性颅内出血预测模型的特征，为静脉溶栓临床决策提供参考。 方法 检索中国知网、万方数据知识服务平台、维普资讯、PubMed、Embase、Web of Science和The Cochrane Library数据库，收集急性缺血性卒中静脉溶栓后症状性颅内出血预测模型相关研究信息，检索时限为建库至2022年12月18日。由2位研究员独立筛选文献、提取资料并评价偏倚风险后对纳入模型的基本特征和方法论进行系统评价。 结果 纳入20项研究，共30个预测模型 ...
YANG Jiaxin, HE Chunyu, LIU Lei, CHEN Wenbo, XIE Yan
doaj +1 more source