A power system structure composed of a brushless DC motor and a cycloidal reducer for electric balanced vehicle has been proposed, and the temperature of important components in this structure would be discussed. The ...A power system structure composed of a brushless DC motor and a cycloidal reducer for electric balanced vehicle has been proposed, and the temperature of important components in this structure would be discussed. The loss generated by the cycloid reducer is negligible, it’s only need to analyze the thermal field of motor. Since the temperature change will affect the material properties of the target motor, the electromagnetic and temperature fields, involved in the motor, are selected for coupling calculation to determine whether the final temperature distribution can meet the requirements of vehicle for use.展开更多
Gustatory receptors(GRs)are critical for multiple life activities of insects.Owing to the rapid development of genome and transcriptome sequencing,numerous insect GRs have been identified.However,the expression patter...Gustatory receptors(GRs)are critical for multiple life activities of insects.Owing to the rapid development of genome and transcriptome sequencing,numerous insect GRs have been identified.However,the expression patterns and functions of these receptors are poorly understood.In this study,we analyzed the expression pattern of GRs in Helicoverpa armigera and found that the fructose receptor HarmGR9 was highly expressed in the foregut and abdomen.The function of HarmGR9 was identified using the clustered regularly interspaced short palindromic repeats(CRISPR)/CRISPR-associated protein 9(Cas9)system.Knockout of the HarmGR9 gene shortened the developmental period of the larval stages and increased food consumption in both larvae and adults.This study revealed the tissue distribution of sugar-sense-related receptors in H.armigera and thereby expanded the understanding of insect feeding regulation.展开更多
文摘A power system structure composed of a brushless DC motor and a cycloidal reducer for electric balanced vehicle has been proposed, and the temperature of important components in this structure would be discussed. The loss generated by the cycloid reducer is negligible, it’s only need to analyze the thermal field of motor. Since the temperature change will affect the material properties of the target motor, the electromagnetic and temperature fields, involved in the motor, are selected for coupling calculation to determine whether the final temperature distribution can meet the requirements of vehicle for use.
基金This work was supported by National Natural Science Foundation of China(31725023,31861133019 to GW,and 31171912 to CY)Shenzhen Science and Technology Program(KQTD20180411143628272).
文摘Gustatory receptors(GRs)are critical for multiple life activities of insects.Owing to the rapid development of genome and transcriptome sequencing,numerous insect GRs have been identified.However,the expression patterns and functions of these receptors are poorly understood.In this study,we analyzed the expression pattern of GRs in Helicoverpa armigera and found that the fructose receptor HarmGR9 was highly expressed in the foregut and abdomen.The function of HarmGR9 was identified using the clustered regularly interspaced short palindromic repeats(CRISPR)/CRISPR-associated protein 9(Cas9)system.Knockout of the HarmGR9 gene shortened the developmental period of the larval stages and increased food consumption in both larvae and adults.This study revealed the tissue distribution of sugar-sense-related receptors in H.armigera and thereby expanded the understanding of insect feeding regulation.
