In order to improve the penetration and survival performance of hypersonic vehicles in the unpowered glide section under incomplete guidance and detection information or interference of detection equipment, this paper establishes a dynamic model of hypersonic vehicles in the glide section.The trajectory click here is optimized using sequential conv
The friction wear and thermal fatigue cracking of the brake shoe and friction-induced self-excited vibration (frictional flutter) of the disc brake can easily occur during emergency braking of a deep coal mine hoist with at high speed and with a heavy load.Therefore, tribo-brake characteristics between the brake disc and brake shoe during emergency
The WD40-repeat containing (WDR) proteins are enriched in the testis and play important roles in spermatogenesis.In the present study, we investigate the expression profile of WDR38, a novel member of the WDR protein family, in humans and mice.RT-qPCR (reverse transcription-quantitative polymerase chain reaction) results demonstrate that WDR38 mRNA
The researchers aimed at analyzing the meaning of humor in newspaper comic strips within a variety of incongruous combinations of multimodal rhetoric.The current research focused on how humor was produced via verbal medium only, via both verbal and visual weleda skin food 75ml best price media, as well as via visual only.The source of data was 74 p
The ideas for change can not be separated from the culture and civilization that originated from the paradigm that produces new creativities when faced with social stagnation.To solve the social problems, the sociological imagination ideas that exist and develop in the society should be incorporated so that they become a theological value system fr