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[期刊论文] 作者:陈东,胡葵, 来源:数学进展 年份:2021
引入n-Ding同调模,统一了Gorenstein同调模、Ding同调模和Gorenstein AC同调模的概念.讨论了n-Ding同调模的诸多性质,例如n-Ding投射模类是投射可解的,n-Ding内射模类是内射可解的....证明了当n>1时,n-Ding投射模是n-Ding平坦模,特别地,Gorenstein AC投射模是Gorenstein AC平坦模.最后,用n-Ding同调模刻画了一些熟知的环类,如:Noether...
[期刊论文] 作者:梁惠春,张文汇, 来源:西南师范大学学报:自然科学版 年份:2021
设G是群,R是G分次环.引入n强Ding分次内(投)射R模的概念,讨论了n强Ding分次内(投)射R模的同调性质.证明了:分次左R模M是n强Ding分次投射模当且仅当存在分次左R模的正合列0→M...
[期刊论文] 作者:钟魁晨, 来源:理论数学 年份:2021
引入n-强-F-Ding投射模,给出n-强-F-Ding投射模的等价刻画和基本性质,证明了一个模M是n-强-F-Ding投射模当且仅当M同构于某个n-强-F-Ding投射模与投射模的直和。...
[期刊论文] 作者:刘一甫,卢博, 来源:山东大学学报:理学版 年份:2021
引入并研究了DG-Ding内射复形,证明了左凝聚环上复形G是DG-Ding内射的当且仅当G是正合的,对于任意整数n,Zn(G)都是Ding内射模且对任意的DG-FP-内射复形J,复形同态f:J→G是零伦的...
[期刊论文] 作者:郭慧瑛,杨富霞,张翠萍, 来源:山东大学学报(理学版) 年份:2021
引入了Ext-强Ding投射维数,给出了R-模M的Ext-强Ding投射维数有限的几种等价刻画,进而研究了这类模相对于有有限投射维数的模类以及相对于Ext-强Ding投射模类的稳定性....
[期刊论文] 作者:JING Xiaoyan,XU Zhefeng,YANG Minghui,FENG Keqin, 来源:电子学报(英文) 年份:2021
The purpose of this paper is to determine the p-adic complexity of the Ding-Helleseth-Martinsen (DHM)...
[期刊论文] 作者:Yu-Jing Shi,Jia Liang,Wen-Yi Z, 来源:药物联合治疗 年份:2021
Background:The objective of this study was to study the effect of Chinese patent drug Jian-Pi-Xiao-Shi...
[期刊论文] 作者:唐平,赵哲,高原,李博骁,郭继光, 来源:信息与电脑 年份:2021
针对直接序列扩频信号的捕获,笔者提出一种收敛函数改进的Tong检测判决方法,旨在通过设置计数变量对应的正、负计数步进来控制搜索速度。该方法首先根据具体任务预设置计数的...
[期刊论文] 作者:TONG XUAN, 来源:今日中国:英文版 年份:2021
THE history and achievements of traditional Chinese medicine(TCM)from antiquity to today demonstrate an amazing combination of traditional culture and modern innovative methods of promotion.China recently proposed to integrate TCM with inno......
[期刊论文] 作者:Junhong Tian,Hengfei Ding, 来源:应用数学与计算数学学报 年份:2021
Recently,Zhang and Ding developed a novel finite difference scheme for the time-Caputo and space-Riesz...fractional diffusion equation with the convergence order Ο(τ2-α+h2)in Zhang and Ding(Commun.Appl.Math.Comput...
[期刊论文] 作者:Saihua Ma,Guimin Hao,Jiayi Song,Zhimei Zhao,Baojuan Wang,Xueru Song,Fengqin Xu,Yan Liu,Tian Xia, 来源:TMR现代中药 年份:2021
Objective:To evaluate whether Ding Kun Dan(DKD)can improve the vitro fertilization/intracytoplasmic sperm...
[期刊论文] 作者:Xue-Hua Xie,Jia-Bao Liao,Fang Fang,Jie Zhao,Yong-Jun Cao,Huan-Tian Cui,Hong-Wu Wang,Zhai-Yi Zhang,Zhao-Hui Sun,Yuan Yin,Wei-Bo Wen, 来源:传统医学研究(英文版) 年份:2021
Our previous studies have demonstrated that Jian-Gan-Xiao-...
[期刊论文] 作者:Xue-Hua Xie,Jia-Bao Liao,Fang, 来源:TMR传统医学研究 年份:2021
disease(NAFLD)can cause insulin resistance(IR)and diabetes.Our previous studies have demonstrated that Jian-Gan-Xiao-Zhi...
[期刊论文] 作者:Jian-Hua Tao,Jian Huang,Ya Li,Zheng Lian,Ming-Yue Niu, 来源:国际自动化与计算杂志:英文版 年份:2021
Semi-supervised Ladder Networks for Speech Emotion Recognition DOI:10.1007/sll633-019-1175-x Authors:Jian-Hua...Tao,Jian Huang,Ya Li,Zheng Li-an,Ming-Yue Niu The article Semi-supervised Ladder Networks for Speech...
[期刊论文] 作者:周丽芳, 来源:考试与评价·高一版 年份:2021
最近,泛着高原红的粗糙皮肤、蓬乱的头发,纯真的微笑,民族风情的服饰,再配上一双清澈的双眼的康巴小伙爆红网络,他就是藏族甜野男孩——丁真。  It only takes one night to become a star in the Internet era①. This is true of Tamdrin, a 20-year-old Tibetan ......
[期刊论文] 作者:Jian Ding,Yixiao Zhou, 来源:中国与世界经济(英文版) 年份:2021
Since the implementation of the Labor Contract Law (LCL) in 2010,a significant increase in the capital/labor ratio,known as capital deepening,has occurred in private firms in China.However,the cause and impact of the capital deepening is st......
[期刊论文] 作者:, 来源:数学学报:中文版 年份:2021
Banach Spaces Which are Isometric to Subspaces of co(Γ)Li Xin CHENG Jian Jian WANG Abstract In this paper...
[学位论文] 作者:张云云, 来源:浙江师范大学 年份:2021
(S)是扩张封闭和保持余核的条件.并探讨了 Ding投射模的等价刻画,并讨论了Mod(R[t]/(tn))中的Ding投射维数....
[期刊论文] 作者:GAO Juntao,LI Xuelian, 来源:电子学报(英文) 年份:2021
Si and Ding proposed a stream cipher with two keys (the first and the second key) and an expected security...
[期刊论文] 作者:, 来源:Beijing Review 年份:2021
HONORED DOCTOR BACK ON FRONTLINE  Tong Zhaohui, a respiratory specialist with the National Health Commission...
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