Background. In patients with acute exacerbations of chronic obstructive pulmonary disease, noninvasive ventilation may be used in an attempt to avoid endotracheal intubation and complications associated with mechanical ventilation. Methods. We conducted a prospective, randomized study comparing noninvasive pressure-support ventilation delivered through a face mask with standard treatment in pat...

A survey work was undertaken with a total of 200 farm households of the coastal areas of Noakhali were categorized into landless, marginal, small, medium and large based on their landholding and sheep population. All categories of farmers had higher number of sheep compared to goat and cattle. In case of lamb (0-4months) farmers didn’t supplied concentrate. The average deficiency of DM (g/h/d),...

to find the protective role of exogenous nitric oxide (no) on salinity-stressed rice seedlings, a crd-based factorial experiment with three replications was conducted in agronomy laboratory of the faculty of agricultural sciences, university of guilan, in 2012. the experimental design consisted of healthy and vigorous seedlings of two rice cultivars, khazar and goohar, the last already known as...

in order to investigate the physiological and morphological traits of seven autumn sugar beet (beta vulgaris l.) cultivars (jolge, palma, giada, monotunno, sbsi1, suprema and pp8), under  freezing stress, a study was carried out as a factorial experiment (7×10) based on randomized complete block design with three replications in college of agriculture of ferdowsi university of mashhad. the plan...

1. Propranolol, a beta-adrenoceptor blocking drug with local anaesthetic and a direct myocardial depressant action, and MJ 1999, a beta-adrenoceptor blocking drug which has no local anaesthetic or intrinsic sympathomimetic action, were compared for beta-adrenoceptor blocking activity in man.2. Propranolol was 2.67 times more active than MJ 1999 in reducing by 50% the tachycardia produced by the...

The price of single point diamond tools with a sharp tip is very high due to complex machining process and highly expensive machining equipments. Yet, the performance is not quite satisfactory. In this paper, we have presented a very simple and cost effective machining process for the sharpening and polishing of diamond stylus using low energy reactive ion beam machining (RIBM). In our method, ...