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NULL: 作品数：342被引量：308H指数：8; 导出分析报告; 相关领域：医药卫生农业科学更多>>; 相关作者：冯达应徐仁德黄立娟张莉丽周洪莲更多>>; 相关机构：华中科技大学同济大学南京医科大学哈尔滨师范大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划浙江省医药卫生科学研究基金首都医学发展科研基金更多>>

Single-cell analyses reveal impaired type B spermatogonia differentiation and meiotic entry in C-Nap1-null testes: 《Quantitative Biology》2025年第1期63-75,共13页Junlin Li Liheng Yang Liansheng Li Min Li Juntao Gao Li Yuan; The Fundamental Research Funds for the Central Universities,Grant/Award Number:E1E43201X2;The Beijing Municipal Natural Science Foundation,Grant/Award Number:Z200021;The CAS Interdisciplinary Innovation Team,Grant/Award Number:JCTD-2020-04;The National Key Research and Development Program of China,Grant/Award Numbers:2021YFE0201100,2022YFA1103401;The National Natural Science Foundation of China,Grant/Award Number:31872839。; Sperm development is critical for male reproductive capability;any disruption during the process of spermatogenesis will result in male infertility.In this research,we used the C-Nap1 encoded by the gene of Cep250 kno...; 关键词：C-Nap1 mouse testis single-cell RNA sequencing SPERMATOGENESIS

基因分型测序在红细胞血型和配型中的应用: 《临床血液学杂志》2025年第2期117-121,共5页朱晓丽戚曦李安明韩俊岭秦奕陈艳飞高灵宝; 江苏省输血协会爱康生物科研基金资助项目(No:JSAK2022018)。; 目的:尝试通过基因分型和基因测序明确血型并选择相合的血液。方法:将临床疑难血型且无法匹配到相合血液的标本应用PCR进行基因分型和测序。结果:患者1血清学试验疑为B亚型,基因荧光分型为B/O1,测序结果为在Exon 7上721位点发生C>T转变...; 关键词：血型基因型 Bw.03 Rh-null

Null Surfaces of Pseudo-spherical Spacelike Framed Curves in the Anti-de Sitter 3-space: 《Acta Mathematica Sinica,English Series》2024年第12期3043-3054,共12页O.Oǧulcan TUNCER; We introduce null surfaces(or nullcone fronts)of pseudo-spherical spacelike framed curves in the three-dimensional anti-de Sitter space.These surfaces are formed by the light rays emitted from points on anti-de Sitter...; 关键词：Nullcone front anti-de Sitter space framed curve distance-squared function

Tidal force effects and bound orbits in null naked singularity spacetime: 《Chinese Physics C》2024年第11期193-202,共10页Siddharth Madan Parth Bambhaniya; Naked singularities form during the gravitational collapse of inhomogeneous matter clouds.The final nature of the singularity depends on the initial conditions of the matter properties and types of matter profiles.The...; 关键词：black hole naked singularity tidal force bound orbits

人循环T免疫指数及血小板参数对系统性红斑狼疮治疗效果的预测价值: 《湖南师范大学学报(医学版)》2024年第5期128-133,共6页王静杨肖飞; 陕西省卫生健康委员会科研项目“人循环T免疫指数及血小板参数对系统性红斑狼疮治疗效果的预测价值”(2022E023); 目的:分析来自活动期和非活动期系统性红斑狼疮(systemic lupus erythematosus,SLE)患者以及正常对照组的CD4^(+)CD28^(null)T细胞、血小板结合补体裂解产物(platelet bound complement split product,PC4d)水平变化,并评估它们作为疾...; 关键词：系统性红斑狼疮活动期 CD4^(+)CD28^(null)T细胞血小板结合补体裂解产物治疗反应

Principal Equatorial Null Geodesic Congruences in the Kerr Metric, and Their Quantum Propagators: 《Journal of High Energy Physics, Gravitation and Cosmology》2024年第3期906-917,共12页Josué G. Mateos Trujillo Miguel Socolovsky; Using the Raychaudhuri equation, we associate quantum probability amplitudes (propagators) to equatorial principal ingoing and outgoing null geodesic congruences in the Kerr metric. The expansion scalars diverge at th...; 关键词：Kerr Metric Principal Null Geodesics PROPAGATORS

A Parallel Discrete Event Simulation Engine for the Low-Earth-Orbit Satellite Constellation Networks: 《China Communications》2024年第8期264-275,共12页Su Hailong Liu Yaoqi Zhou Yiqing Shi Jinglin Li Hongguang Qian Manli; supported by Jiangsu Provincial Key Research and Development Program (No.BE20210132);the Zhejiang Provincial Key Research and Development Program (No.2021C01040);the team of S-SET; Low-Earth-Orbit satellite constellation networks(LEO-SCN)can provide low-cost,largescale,flexible coverage wireless communication services.High dynamics and large topological sizes characterize LEO-SCN.Protocol develo...; 关键词：CONSTELLATION low earth orbit satellite ns-3 null-message parallel discrete-event simulation

Isometric Immersions of Lightlike Warped Product Manifolds: 《Journal of Applied Mathematics and Physics》2024年第7期2490-2505,共16页Domitien Ndayirukiye Cyriaque Atindogbe Gilbert Nibaruta; In this paper, we deal with isommetric immersions of globally null warped product manifolds into Lorentzian manifolds with constant curvature c in codimension k≥3. Under the assumptions that the globally null warped ...; 关键词：Lightlike Warped Product Manifolds Globally Null Warped Products Manifolds Lightlike Warped Product Isometric Immersions

基于Null Importance和Stacking模型的知识追踪研究: 《中国科技论文在线精品论文》2024年第2期174-182,共9页梁开迪张丽华; 为应对基于游戏的学习平台在知识追踪应用方面的不足,本研究利用Field Day Lab提供的教育游戏用户日志进行深入分析。采用方差法和Null Importance方法对数据集进行降维处理,并结合K折交叉验证与LightGBM算法,建立了一个高效的预测模型...; 关键词：人工智能知识追踪 Null Importance Stacking集成模型

Beta-elemene inhibits the growth of KDM6A-null bladder cancer cells by suppressing the epithelial-mesenchymal transition: 《Clinical Traditional Medicine and Pharmacology》2024年第2期15-24,共10页Ruonan Zhang Jiao Feng Yintao Zheng Qianru Zhu Bo Xiang Qibiao Wu Xinbing Sui; various sources,including Zhejiang Provincial Natural Science Foundation of China(grant No.LQ20H160013,LQ21H160038,and LY23H160026);the Science and Technology Development Fund,Macao SAR(File No.:0098/2021/A2).; Background:Bladder cancer is a highly prevalent and lethal malignant tumor characterized by frequent mutations/deletions of lysine-specific demethylase 6A(KDM6A),which is suggested to be a key event in cancer progress...; 关键词：Β-ELEMENE Lysine-specific demethylase 6A(KDM6A) Bladder cancer METASTASIS Epithelial-mesenchymal transition(EMT)

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