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Guarding behavior is an important activity in sub-social insects, and this behavior is believed to improve the survival of offspring. Sclerodermus harmandi (Hymenoptera: Bethylidae) is one of most powerful epizoic parasitoid wasps, and it parasitizes Monochamus alternatus, a borer of wood and also the primary vector of the pinewood nematode Bursaphelenchus(More)
B2C e-commerce enterprises offer many the different kinds but the same variety items are often susceptible to periods of inventory mismatches where best-selling items may face shortages while poor-selling items have excess inventories. Because of capacity constraints, it is a problem that how to sell those poor-selling items quickly and purchase more(More)
In this paper, the demand characteristics of shampoo products with B2C e-commerce environment are firstly analyzed. The issue that retailers provide customers with temporary price discount, and suppliers also offer temporary price discount for retailers is researched. Considering the influence of customers order lead time and payment terms on inventory(More)
UNLABELLED Traumas, infections, tumors, and some congenital malformations can lead to bone defects or even bone loss. The goal of the present study was to investigate whether inclusion of endothelial progenitor cells derived from peripheral blood (PB-EPCs) in cell-seeded partially deproteinized bone (PDPB) implants would stimulate recruitment of(More)
With the explosive development of E-commerce in China, an efficient accurate package distribution is badly needed, causing urban distribution Last Mile Problem. Under the circumstance of worse traffic congestion and environment pollutions in today's cities, not only accuracy and speed, but also alleviation of traffic congestion, air pollutions are highly(More)
While trade-offs between flight capability and reproduction is a common phenomenon in wing dimorphic insects, the molecular basis is largely unknown. In this study, we examined the transcriptomic differences between winged and wingless morphs of cotton aphids, Aphis gossypii, using a tag-based digital gene expression (DGE) approach. Ultra high-throughput(More)
MicroRNAs (miRNAs) are a group of endogenous non-coding small RNAs that have critical regulatory functions in almost all known biological processes at the post-transcriptional level in a variety of organisms. The oriental fruit moth Grapholita molesta is one of the most serious pests in orchards worldwide and threatens the production of Rosacea fruits. In(More)
With the development and maturity of the express industry, the compression of the delivery time is gradually approaching the limit. The consumers pay more attention to the quality of the express items. It has become an important issue for the express enterprises. However, due to the privacy policy of the express, express enterprises can only identify the(More)