• A finite element model of composite cellular beams with PCHCS was developed. parametric study carried out by geometrical non-linear analyses. Symmetric and asymmetric section were considered. The predominant failure mode the web post buckling. strength not limited only beam. This paper aims to predict ultimate behavior steel–concrete using precast hollow core slabs. is developed analysis. out...

In China, due to labor shortages and increasing costs, manual topping is gradually being replaced by chemical capping with mepiquat chloride (DPC). External chemicals can adjust plant growth affecting endogenous hormones. Based on the hormone changes combined development of main stem cotton plants, a comparative experiment was conducted in 2019 2020 determine regulatory mechanism after capping....

A set of 60 cDNAs were isolated by subtractive hybridization screening of a phage library using radioactively-labeled probes generated from root mRNAs isolated from tobacco (Nicotiana tabacum cv Burley 21) plants before and 3 days after topping. Among the differentially expressed gene products were full-length and partial cDNAs encoding arginine decarboxylase (ADC), ornithine decarboxylase (ODC...

In Portugal., the study of mechanical pruning in olive orchards began 1997. Trials were carried out traditional orchards, and obtained results revealed that can contribute to reduction costs without a yield. 2005, authors started an evaluation high-density orchards. The trial was organised randomised, complete block design, with three replications. Four treatments compared: T1—manual pruning, u...

Continuous intercostal nerve blockade was used to provide analgesia after cholecystectomy. The blockade was maintained by the insertion of a single extradural catheter into an appropriate intercostal space and by "topping-up" with local anaesthetic on demand. Of the patients studied, 92%, and 76%, required no additional analgesia in the first 24 h and first 48 h following operation, respectivel...

THE FIRST step in producing a satisfactory crop of tobacco is to use good seed that is true to type. The grower often can save his own seed to advantage, if he wants to. Before topping is done, he should go over the tobacco field carefully to pick out desirable seed plants. When he has decided on the ideal type of plant, he should select the plants that conform to this type for producing seed. ...