Results 21 to 30 of about 20,917 (165)
Clinicopathological Research and Expression of PTEN/PI3K/Akt Signaling Pathway in Non-small Cell Lung Cancer [PDF]
, 2009 Background and objective It has been known that abnormality of PTEN/PI3K/Akt signal pathway played an important role in initiation of some malignant tumors.
Can XU +3 more
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Engineering Geometric Active Sites in Cobalt Spinel Oxides for Energy and Environmental Catalysis
Rare Metals, Volume 45, Issue 4, April 2026.ABSTRACT Cobalt‐based spinel oxides (Co3O4 and derivatives) are among the most promising transition metal oxides for electrochemical energy conversion and environmental catalysis due to their abundant active sites, structural tunability, and robust redox flexibility.
Shenning Liu +6 more
wiley +1 more source
Analysis of risk factors and prognostic factors of synchronous breast and thyroid cancer [PDF]
Objective To analyze the risk and prognostic factors for synchronous breast cancer（BC）and thyroid cancer（TC）. Methods The Surveillance，Epidemiology，and End Results Program（SEER）2020 database was utilized to collect the information of patients with ...
Song Zixu, Zhang Ligong, Zhu Chao, Zhu Guangzheng, Guo Chenxu, Qian Jun
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Optimized Design of Cu‐Ni‐Co‐Si Alloy Combining Machine Learning and Experimental Feedback
Rare Metals, Volume 45, Issue 4, April 2026.ABSTRACT The machine learning method was employed to accelerate alloy design, and experimental feedback was provided to enhance predictive accuracy. A Cu‐2.7Ni‐1.0Co‐0.8Si alloy with superior properties was selected using a double‐objective optimization algorithm.
Shifang Li +3 more
wiley +1 more source
Application of competing risk model in the prognostic prediction study of female breast cancer [PDF]
, 2016 目的探索竞争风险模型在乳腺癌患者预后预测中的应用,并与传统生存分析结果进行比较。方法运用K-M方法估算总体风险率;采用原因别风险模型进行多因素分析,评价复发和转移的影响因素。结果 K-M方法的风险率高于竞争风险情况下的风险率。肿瘤大小和个人乳腺疾病史是复发的独立预后因素。结论竞争风险模型在乳腺癌患者的预后预测中更合理、更客观。Objective To explore the application of competing risk model in the prognostic prediction ...
方亚, 胡海兰, 袁满琼
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Conservation Biology, Volume 40, Issue 2, April 2026.Abstract Consumer demand for ivory perpetuates the unsustainable and illegal killing of African elephants and other wildlife species. Interventions that aim to change consumer behavior are increasingly recognized as a crucial element of demand management. However, poor design and implementation have limited their effectiveness.
Molly R. C. Brown +2 more
wiley +1 more source
A Study on the Active Life Expectancy and the Influencing Factors of the Elderly in China [PDF]
, 2016 随着人口老龄化社会的发展，老年人的生活质量备受关注。一些现象表明：健康一定可以长寿，但长寿不一定健康。在我国，老龄化进程不断加快，为使我们的老龄化社会更加和谐，我们有必要关心老年人的生活质量，关注老年人处于健康的寿命长度。 本文选用中国老年健康影响因素跟踪调查项目（CLHLS）的2008~2011年纵向数据，并运用多状态生命表法，分别从不同年龄、不同性别、不同城乡居住地、不同受教育程度、不同婚姻状况、不同烟酒状况、不同身体锻炼情况、不同患病状态等方面来计算健康预期寿命，并分析不同因素对健康预期寿命的影响。
吴悦
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Genomic responses to increased temperature and pollinator selection in Brassica rapa L.
New Phytologist, Volume 250, Issue 2, Page 1231-1247, April 2026.Summary Rapid environmental change reshapes both abiotic stress and biotic interactions, yet it remains unclear how these combined forces structure plants' genomic adaptation. In particular, the joint influence of temperature and pollinator identity, two ecological axes undergoing simultaneous global shifts, has rarely been quantified at genomic ...
Yanqian Ding, Florian P. Schiestl
wiley +1 more source
β-地中海贫血症患者血清铁调素hepcidin、GDF15表达及与预后的关系
Zhongguo shiyan zhenduanxue, 2022 目的 观察β-地中海贫血症患者血清铁调素hepcidin、生长分化因子15(GDF15)表达水平变化，并分析其与预后的关系。方法 选取汉川市人民医院106例β-地中海贫血症患者（研究组），并选取同期50例体检健康者纳入对照组，检测其血清hepcidin、GDF15水平，随访2年，记录患者生存情况，采用Logistic回归模型分析其预后影响因素。结果 轻型组、重型组与中间型组血清hepcidin水平明显低于对照组（P0.05）;GDF15水平为：重型组>中间型组>轻型组>对照组（P0.05）；死亡组Hb ...
李秀, 谢玉文, 陈会荣
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Immediate Versus Delayed Topotecan after First-line Therapy in Small Cell Lung Cancer [PDF]
, 2010 Background and objective How to prolong progression free survival (PFS) and overall survival (OS) of patients with small cell lung cancer (SCLC) has been one of the hottest issues. We retrospectively reviewed our data to compare the survival of immediate
Cong XUE +7 more
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