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Author(s):  
Khalegh Barati ◽  
Xuesong Shen ◽  
Nan Li ◽  
David G. Carmichael

2021 ◽  
Vol 12 (1) ◽  
pp. 245
Author(s):  
Runxian Yang ◽  
Jie Zhou ◽  
Tao Tao ◽  
Lianghao Hua ◽  
Jianfeng Zhang

In order to improve the production efficiency and elastic quality of spring cable, and meet the market demand of automatic mass production, based on the market research and experimental analysis of common spring cable shaping methods, a rapid shaping method of coil bar current heating spring cable is innovatively proposed. After the spring cable is wound on the coil bar once, the coil bar is directly heated to realize the spring wire temperature rising and setting. The process temperature is input from the man-machine interface, and the temperature control is based on a fuzzy algorithm, which is automatically adjusted by PLC. The experimental results show that, compared with the traditional sizing method, the current heating method proposed in this paper can greatly shorten the product sizing time and has good sizing effect, which can well meet the market requirement of high-quality mass production of spring cable.


2021 ◽  
pp. 114959
Author(s):  
Fernando Mateo ◽  
Juan José Garcés Iniesta ◽  
Berthold Jenninger ◽  
Juan Gómez-Sanchís ◽  
Emilio Soria-Olivas ◽  
...  

Animals ◽  
2020 ◽  
Vol 10 (11) ◽  
pp. 2121
Author(s):  
Kyu-Shik Lee ◽  
Eun-Young Yun ◽  
Tae-Won Goo

In the present study, we developed an automatic mass-injection system (AMIS) to produce an extract of infected H. illucens larvae (iHIL-E) and then evaluated antimicrobial peptide (AMP) expressions and assessed the antimicrobial activity of iHIL-E against various pathogens and Lactobacillus species. AMP gene expressions were assessed by real-time quantitative polymerase chain reaction (PCR) and the antimicrobial activities of iHIL-E were estimated using a radial diffusion assay and by determining minimal inhibitory concentrations. Results showed that the antimicrobial activity of HIL extract was effectively enhanced by L. casei infection and that the gene expressions of cecropin 3 and defensin 3 (antimicrobial peptides) were up-regulated. iHIL-E also prevented the growths of Enterococcus faecalis, Streptococcus mutans, and Candida vaginitis (MICs 200, 500, and 1000 µg/100 µL, respectively) and demonstrated high protease resistance. Moreover, the growths of methicillin-resistant Staphylococcus aureus, antibiotic-resistant Pseudomonas aeruginosa and AMP-resistant bacteria, Serratia marcescens, and Pseudomons tolaasii were significantly suppressed by iHIL-E. In addition, although iHIL completely cleared Salmonella species at concentrations of >200 µg/100 µL, Lactobacillus species were unaffected by iHIL at concentrations of <1000 µg/100 µL. The present investigation shows that the devised automatic mass injection system is effective for the mass production of the extract of infected HIL and that this extract is a novel, natural, protease-resistant, antibiotic candidate with broad-spectrum antibiotic activity.


2020 ◽  
Vol 215 ◽  
pp. 113014
Author(s):  
A. Mikhalychev ◽  
S. Vlasenko ◽  
T.R. Payne ◽  
D.A. Reinhard ◽  
A. Ulyanenkov

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