نتایج جستجو برای: slitting method
تعداد نتایج: 1630160 فیلتر نتایج به سال:
As Hilding (1949) states, " It is generally assumed that the total cross-sectional area of the [bronchial] tree increases progressively with each successive branching." Having studied the bronchial tree post mortem by slitting open the bronchi and measuring their calibre, Hilding himself believes that the total cross-sectional area of the tree remains almost constant until bronchi of diameter 1...
This Health Hazard Evaluation (HHE) report and any recommendations made herein are for the specific facility evaluated and may not be universally applicable. Any recommendations made are not to be considered as final statements of NIOSH policy or of any agency or individual involved. Additional HHE reports are available at The employer shall post a copy of this report for a period of 30 calenda...
The European mining bee species Andrena lathyri (Andrenidae) is a narrow specialist of flowers Lathyrus and Vicia (Fabaceae), from which both females males gain nectar by primary robbing. Both sexes are equipped with unique proboscis, much longer more strongly angled than in most other bees including the closely related species. comparison between shape proboscis interior host combined field ob...
Abstract This study investigated the stress relaxation and fatigue life strength of laser-peened single-crystal nickel superalloy specimens compared to unpeened shot-peened following hot corrosion exposure then testing. The were treated by conventional laser peening a new cyclic plus thermal microstructure engineering process. latter treatment supports benefit unique process involving applicati...
In order to ensure the application of gob-side entry retaining by roof cutting for thick and hard sandstone roofs, key technology pre-split blasting was studied. The LS-DYNA used analyze effect energy-gathering pipe. Using methods theoretical analysis numerical simulation, it determined that optimal height 16 m angle 15°. pressure relief verified FLAC3D. It is proposed use deep-hole loosening s...
in this study, a simple, rapid and selective method was developed for the determination of dexamethasone. the proposed method is based on inhibitory effect of dexamethasone on the oxidation of orange-g by bromate in sulfuric acid media. the reaction was followed spectrophotometrically at 478.5 nm (?max). under optimum experimental conditions, (72.6 ?mol l-1 of orange-g, 0.76 mol l-1 of h2so4, 0...
Roundabout 1 (Robo1) is the cognate receptor for secreted axon guidance molecule, Slits, which function to direct cellular migration during neuronal development and angiogenesis. The Slit2-Robo1 signaling is modulated by heparan sulfate, a sulfated linear polysaccharide that is abundantly expressed on the cell surface and in the extracellular matrix. Biochemical studies have further shown that ...
hydrochlorothiazide (hct) is a diuretic agent which is shown to be effective in the treatment of hypertension. literature reports have demonstrated that urinary excretion data may be used to assess the bioavailability of various formulations containing this thiazide. also hct consumption by the athletes is one of the drugs which should be regulated by world anti-doping agency (wada), because of...
the purpose of the present study was to investigate the effect of task-based instruction of vocabulary on the receptive and oral productive acquisition of english vocabulary and compare the results with those obtained from the traditional method. the method and procedure applied in this study was as follows: after the implementation of opt, a group of sixty female students were chosen. the stu...
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