邢志勇, 蔡俊娟, 黄丽. λ-乘数收敛不变性的判据[J]. 吉首大学学报（自然科学版）, 2021, 42(6): 1-3.

XING Zhiyong, CAI Junjuan, HUANG Li. Criterion on Convergence Invariance Based on λ-Multiplier[J]. Journal of Jishou University(Natural Sciences Edition), 2021, 42(6): 1-3.

伍朝阳, 周瑛. 基于5D超混沌的图像加密算法[J]. 吉首大学学报（自然科学版）, 2021, 42(6): 4-14.

WU Chaoyang, ZHOU Ying. Image Encryption Algorithm Based on 5D Hyperchaotic System[J]. Journal of Jishou University(Natural Sciences Edition), 2021, 42(6): 4-14.

廖光锴, 张正, 牛一博, 宋治国. 基于多尺度和小波空间注意力的车辆重识别[J]. 吉首大学学报（自然科学版）, 2021, 42(6): 15-22.

LIAO Guangkai, ZHANG Zheng, NIU Yibo, SONG Zhiguo. Vehicle Re-Identification Based on Multi-Scale and Wavelet Spatial Attention[J]. Journal of Jishou University(Natural Sciences Edition), 2021, 42(6): 15-22.

李支新, 孙晶, 吴聪, 苏慕阳. 含Kerr介质二维光子晶体滤波器的设计[J]. 吉首大学学报（自然科学版）, 2021, 42(6): 23-29.

LI Zhixin, SUN Jing, WU Cong, SU Muyang. Design of Two-Dimensional Photonic Crystal Filter with Kerr Medium[J]. Journal of Jishou University(Natural Sciences Edition), 2021, 42(6): 23-29.

李龙祥, 彭晨, 李军, 王雨嫣, 鲁荣波. 基于LSTM-AdaBoost的城市住宅区负荷预测[J]. 吉首大学学报（自然科学版）, 2021, 42(6): 30-35.

LI Longxiang, PENG Chen, LI Jun, WANG Yuyan, LU Rongbo. Load Forecasting of Urban Residential District Based on LSTM-AdaBoost[J]. Journal of Jishou University(Natural Sciences Edition), 2021, 42(6): 30-35.

梁雨欣, 高慧枝, 王星月, 齐志凯. Mn(II)基金属配合物的合成、结构和光致发光性质[J]. 吉首大学学报（自然科学版）, 2021, 42(6): 36-40.

LIANG Yuxin, GAO Huizhi, WANG Xingyue, QI Zhikai. Synthesis, Structure, and Photoluminescence Properties of Mn(II)-Based Metal Complex[J]. Journal of Jishou University(Natural Sciences Edition), 2021, 42(6): 36-40.

周盛康, 李娇, 贺陵, 何阿玲, 常燕姿, 李洪毅. 基于核心景点评价体系的湘西自治州旅游路线规划[J]. 吉首大学学报（自然科学版）, 2021, 42(6): 41-47.

ZHOU Shengkang, LI Jiao, HE Ling, HE Aling, CHANG Yanzi, LI Hongyi. Evaluation-Based Planning Schemes of Travel Routes of Core Scenic Spots in Xiangxi Autonomous Prefecture[J]. Journal of Jishou University(Natural Sciences Edition), 2021, 42(6): 41-47.

朱长明, 孙高, 陈功华, 龚于刚, 夏杰. LncRNA-ROR在缺氧诱导胃癌侵袭转移中的作用[J]. 吉首大学学报（自然科学版）, 2021, 42(6): 48-53.

ZHU Changming, SUN Gao, CHEN Gonghua, GONG Yugang, XIA Jie. Effect of LncRNA-ROR on the Hypoxia-Induced Gastric Cancer Metastasis and Invasion[J]. Journal of Jishou University(Natural Sciences Edition), 2021, 42(6): 48-53.

张汝江, 张运周, 高岱佺. 原发性中枢神经系统弥漫性大B细胞淋巴瘤诊疗进展[J]. 吉首大学学报（自然科学版）, 2021, 42(6): 54-61.

ZHANG Rujiang, ZHANG Yunzhou, GAO Daiquan. Progress in the Diagnosis and Treatment of Primary Central Nervous System Diffuse Large B-Cell Lymphoma[J]. Journal of Jishou University(Natural Sciences Edition), 2021, 42(6): 54-61.

宋黎洁, 王冉, 陶言言. 联合监测血清PCT，BNP，HBP水平变化对脓毒症患者早期诊断和预后评估的临床价值[J]. 吉首大学学报（自然科学版）, 2021, 42(6): 62-66.

SONG Lijie, WANG Ran, TAO Yanyan. Clinical Value of Combined Monitoring of Blood PCT, BNP and HBP Levels in the Prognostic Evaluation of Patients with Sepsis[J]. Journal of Jishou University(Natural Sciences Edition), 2021, 42(6): 62-66.

冯俊祥, 李杰. 阿托伐他汀对LI-PILO癫痫大鼠模型的影响[J]. 吉首大学学报（自然科学版）, 2021, 42(6): 67-72.

FENG Junxiang, LI Jie. Effects of Atorvastatin on the Epilepsy Model of LI-PILO Rats[J]. Journal of Jishou University(Natural Sciences Edition), 2021, 42(6): 67-72.

胡娅琴, 干强, 廖修富, 陈红江. 不同疗程耳后注射甲强龙治疗突发性聋的疗效[J]. 吉首大学学报（自然科学版）, 2021, 42(6): 73-79.

HU Yaqin, GAN Qiang, LIAO Xiufu, CHEN Hongjiang. Treatment of Sudden Sensorineural Hearing Loss with Methylprednidone of Retroauricular Injection: Effect  of Different Courses of Treatment[J]. Journal of Jishou University(Natural Sciences Edition), 2021, 42(6): 73-79.

王雅立, 唐欧风, 黄晓艳, 程昊, 马启寿, 葛莉. 呼吸运动锻炼康复疗法对稳定期慢阻肺患者肺功能、运动耐力及生活质量的影响[J]. 吉首大学学报（自然科学版）, 2021, 42(6): 80-83.

WANG Yali, TANG Oufeng, HUANG Xiaoyan, CHENG Hao, MA Qishou, Ge Li. Influence of Respiratory Exercise Rehabilitation Therapy on Pulmonary Function, Exercise Enduranceand Quality of Life in Patients with Stable Chronic Obstructive Pulmonary Disease[J]. Journal of Jishou University(Natural Sciences Edition), 2021, 42(6): 80-83.

杨文姝. 娄底市少儿体育舞蹈培训市场现状及问题[J]. 吉首大学学报（自然科学版）, 2021, 42(6): 84-88.

YANG Wenshu. Children's Sports Dance Training Market in Loudi City: Present Situation and Problems[J]. Journal of Jishou University(Natural Sciences Edition), 2021, 42(6): 84-88.

郭海英, 黄玉哲. 思政教育融入高校体育的必要性及实现路径[J]. 吉首大学学报（自然科学版）, 2021, 42(6): 89-92.

GUO Haiying, HUANG Yuzhe. Necessity and Realization Path of Ideological and Political Education Integrated into College Physical Education[J]. Journal of Jishou University(Natural Sciences Edition), 2021, 42(6): 89-92.

焦东亮, 宋红涛. 导入式结合框架式教学在精神病学教学的应用[J]. 吉首大学学报（自然科学版）, 2021, 42(6): 93-96.

JIAO Dongliang, SONG Hongtao. Application of Lead-in Combined with Frame Teaching in Psychiatry Teaching[J]. Journal of Jishou University(Natural Sciences Edition), 2021, 42(6): 93-96.

. 吉首大学学报（自然科学版）2021年总目次[J]. 吉首大学学报（自然科学版）, 2021, 42(6): 97-104.