The cause for the damage to the pre-start valve seat of CB25-91/10/1.2steam turbine regulator valve was identified by doing metallographic analysis,and necessary improvements in design and maintenance are suggested as appropriate.
A secret sharing system can be damaged when the dealer cheating occurs.
Effect of damaged pine needles on growth and development of pine caterpillar larvae
The results showed that the nutritional index of the larvae declines after feeding on the damaged pine needlings.
The lowest amount of food ingested and voided feces, the lowest nutritional index, slowest development, lightest pupae and most mortality were found in those pine caterpillar larvae fed with pine needles which were 50% damaged.
The damaged pine needles significantly affected the population dynamics of Chinese pine caterpillars.
There appear many Internet-scale worm incidents in recent years, which have caused severe damage to the society.
Chinese pine caterpillar (Dendrolimus tabulaeformis) larvae were fed with pine needles of different degrees of damage to evaluate the effects of pine needles on the growth and development of larvae.
The computed results show that the landing damage to the fighter and transport airplanes is 75% and 60% of the total damage, and the damage caused by the landing stroke is 40% of the landing-gear damage.
Pigments isolated from macromycetes and applied at a much lower concentration than those obtained from micromycetes prevented damage to bacteriophage-λ DNA induced by products of peroxidase-mediated degradation of aminobiphenyls.
At a low level of organic substrate, even strong colonization with microorganisms does not inevitably result in significant damage to metals.