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551 results on '"Meng Guangyao"'

1. Dynamics Analysis of a Special Differential Gear Transmission System

Author

Kong Guang, Meng Guangyao, Wang Zuojuan, Huang Juxin, and Li Zhongzheng

Subjects
Special differential, Incentive factor, Phase path, Mechanical engineering and machinery, TJ1-1570
Abstract

The dynamics analysis of a special rotating differential which situating to the variable tread vehicle steering function is carried out. Firstly,treating this differential gear transmission system as spring-mass of the nonlinear time-varying system with coulomb damping,a bend-torsion coupled vibration model with 12 DOFs is established. Then,considering the road to the wheel load torque in the process of the corners to be external incentive conditions of system,the affect of internal incentive factors on vibration characteristics of this differential gear transmission system is analyzed and the dynamics mathematical model is built. At last,by calculating this mathematical model and natural frequency,the phase path analysis is carried out and the characteristic parameters of this gear transmission system are optimized. The purpose of weakening the oscillation of the system performance and improving the response speed of system,making the system with satisfactory dynamic performance indicators are achieved.

Published
2017
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3. Identification and Analysis of Circular RNAs in Mammary Gland from Yaks Between Lactation and Dry Period.

Author

Shi, Yilin, Wu, Xiaoyun, Meng, Guangyao, Ma, Xiaoming, La, Yongfu, Bao, Pengjia, Chu, Min, and Yan, Ping

Subjects
COMPETITIVE endogenous RNA, GENE expression, NON-coding RNA, YAK, MAMMARY glands, CIRCULAR RNA
Abstract

Simple Summary: Circular RNA (circRNA), a non-coding RNA that regulates gene expression, plays significant biological roles. Understanding the role of yak lactation and mammary gland development is crucial. This study conducted Circular RNA sequencing (circRNA-Seq) analysis of yak mammary tissues during the lactation (LP) and dry period (DP) stages. A total of 18,905 circRNAs were identified in yak mammary tissues, and the differentially expressed circRNAs (DECs) may contribute to milk synthesis and composition regulation. This study provides a valuable resource for enhancing yak circRNA databases, marking its particular significance. Lactation is a complex physiological process regulated by numerous genes and factors. Circular RNA (circRNA), a non-coding RNA, acts as a molecular sponge that sequesters microRNAs (miRNAs) to regulate target gene expression. Although circRNA has been linked to mammary gland lactation, its specific role in yaks remains underexplored. This study employed circular RNA sequencing (circRNA-seq) to examine the differential expression of circRNAs in yak mammary tissues during lactation and the dry period. Additionally, an enrichment analysis of the differentially expressed circRNAs (DECs) was performed. A competing endogenous RNA (ceRNA) network was then constructed to explore the potential of their roles in lactation and mammary gland development. We detected 18,905 circRNAs in yak mammary tissue, among which 302 showed differential expression. The host genes of these DECs were enriched in functions and pathways associated with yak milk synthesis and composition. Through the construction of a ceRNA network and the enrichment analysis of associated mRNAs, this study identified ceRNAs potentially involved in regulating lactation and mammary gland development. In conclusion, circRNAs in yak mammary tissues were identified and analyzed across lactation and dry periods, establishing a ceRNA network related to lactation regulation. These findings provide novel insights into the regulatory mechanisms governing lactation in yaks (Bos grunniens). [ABSTRACT FROM AUTHOR]

Published
2025
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8. Transcriptome-Wide Study of mRNAs and lncRNAs Modified by m6A RNA Methylation in the Longissimus Dorsi Muscle Development of Cattle-Yak

Author

Huang, Chun, primary, Dai, Rongfeng, additional, Meng, Guangyao, additional, Dingkao, Renqing, additional, Wang, Xingdong, additional, Ren, Wenwen, additional, Ma, Xiaoming, additional, Wu, Xiaoyun, additional, Chu, Min, additional, La, Yongfu, additional, Bao, Pengjia, additional, Guo, Xian, additional, Pei, Jie, additional, Yan, Ping, additional, and Liang, Chunnian, additional

Published
2022
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