林志强. 非局部抛物方程组解的一致爆破及边界层估计[J]. 吉首大学学报（自然科学版）, 2021, 42(1): 1-9.

LIN Zhiqiang. Uniform Blow-up and Estimation of Boundary-Layer for Nonlocal Parabolic Equations[J]. Journal of Jishou University(Natural Sciences Edition), 2021, 42(1): 1-9.

魏盈盈, 罗彪, 莫宏敏. 非奇异H-矩阵的一组判定条件[J]. 吉首大学学报（自然科学版）, 2021, 42(1): 10-15.

WEI Yingying, LUO Biao, MO Hongmin. A Set of Criteria for Nonsingular H-Matrices[J]. Journal of Jishou University(Natural Sciences Edition), 2021, 42(1): 10-15.

董瑛雪, 莫宏敏. B-矩阵线性互补问题的误差界估计[J]. 吉首大学学报（自然科学版）, 2021, 42(1): 16-22.

DONG Yingxue, MO Hongmin. Error Bounds for Linear Complementarity Problem of B-Matrices[J]. Journal of Jishou University(Natural Sciences Edition), 2021, 42(1): 16-22.

杨婷, 谢菲菲, 方东辉. 复合DC优化问题的稳定全对偶[J]. 吉首大学学报（自然科学版）, 2021, 42(1): 23-28.

YANG Ting, XIE Feifei, FANG Donghui. Stable Total Duality for DC Composite Optimization Problems[J]. Journal of Jishou University(Natural Sciences Edition), 2021, 42(1): 23-28.

肖程凤, 方东辉. 含参DC复合优化问题值函数的Mordukhovich次微分[J]. 吉首大学学报（自然科学版）, 2021, 42(1): 29-34.

XIAO Chengfeng, FANG Donghui. Mordukhovich Subdifferentials of the Value Function for Parametrized Composite DC Optimization Problems[J]. Journal of Jishou University(Natural Sciences Edition), 2021, 42(1): 29-34.

吴莹, 欧云, 姚玄石, 丁雷. 基于改进和声算法的TSP路径求解[J]. 吉首大学学报（自然科学版）, 2021, 42(1): 35-40.

WU Ying, OU Yun, YAO Xuanshi, DING Lei. Solving TSP Issue Based on  Improved Harmony Algorithm[J]. Journal of Jishou University(Natural Sciences Edition), 2021, 42(1): 35-40.

王雨嫣, 廖柏林, 彭晨, 李军, 印煜民. 递归神经网络研究综述[J]. 吉首大学学报（自然科学版）, 2021, 42(1): 41-48.

WANG Yuyan, LIAO Bolin, PENG Chen, LI Jun, YIN Yumin. Research Review of Recurrent Neural Networks[J]. Journal of Jishou University(Natural Sciences Edition), 2021, 42(1): 41-48.

周旋, 邬云文. 五阶IIR低通数字滤波器的性能[J]. 吉首大学学报（自然科学版）, 2021, 42(1): 49-53.

ZHOU Xuan, WU Yunwen. Performance Analysis of Fifth Order IIR Digital Low-Pass Filter[J]. Journal of Jishou University(Natural Sciences Edition), 2021, 42(1): 49-53.

王建省, 李卓宇, 孙雪倩, 史青雲. 中墙对框架桥力学特性的影响[J]. 吉首大学学报（自然科学版）, 2021, 42(1): 54-60.

WANG Jianxing, LI Zhuoyu, SUN Xueqian, SHI Qingyun. Influence of the Middle Wall on the Mechanical Characteristics of Frame Bridges[J]. Journal of Jishou University(Natural Sciences Edition), 2021, 42(1): 54-60.

孙望成, 张道兵, 蒋瑾, 蔚彪, 尹华东. 考虑Hoek-Brown准则的挡土墙主动土压力[J]. 吉首大学学报（自然科学版）, 2021, 42(1): 61-65.

SUN Wangcheng, ZHANG Daobing, JIANG Jin, YU Biao, YIN Huadong. Active Earth Pressure Calculation of Retaining Wall with Hoek-Brown Criterion[J]. Journal of Jishou University(Natural Sciences Edition), 2021, 42(1): 61-65.

陈加蓓, 王璐, 刘锦源, 邓珊珊, 胡叠, 陈功锡. 湘西地区药食两用植物资源调查与分析[J]. 吉首大学学报（自然科学版）, 2021, 42(1): 66-77.

CHEN Jiabei, WANG Lu, LIU Jinyuan, DENG Shanshan, HU Die, CHEN Gongxi. Investigation and Exploitation of Edible Medicinal Plant Resources in Xiangxi region, China[J]. Journal of Jishou University(Natural Sciences Edition), 2021, 42(1): 66-77.

邓雨露. 张家界市打造网红经济聚集地的SWOT分析[J]. 吉首大学学报（自然科学版）, 2021, 42(1): 78-82.

DENG Yulu. SWOT Analysis of Building Zhangjiajie into a Developed Cybereconomic Place[J]. Journal of Jishou University(Natural Sciences Edition), 2021, 42(1): 78-82.

薛炳清, 李春艳, 朱灿. 肠道菌群对心血管疾病患者合并焦虑抑郁影响的研究进展[J]. 吉首大学学报（自然科学版）, 2021, 42(1): 83-89.

XUE Bingqing, LI Chunyan, ZHU Can. Research Progress in the Relationship Between Intestinal Flora and Its Metabolites and Psycho-Cardiology[J]. Journal of Jishou University(Natural Sciences Edition), 2021, 42(1): 83-89.

黄丽颖, 张钰华, 林彤. 剖宫产术后子宫瘢痕妊娠诊疗进展[J]. 吉首大学学报（自然科学版）, 2021, 42(1): 90-96.

HUANG Liying, ZHANG Yuhua, LIN Tong. Advances in diagnosis and treatment of uterine scar pregnancy after cesarean section[J]. Journal of Jishou University(Natural Sciences Edition), 2021, 42(1): 90-96.