To integrate unmanned aerial vehicles (UAVs) into the national airspace in a safe manner, risk-based approach to regulation of UAVs is adopted many countries. Thus, capacity permit urban also needs be evaluated sense. In this regard, paper proposes methodology analyze UAV corridors on basis third-party risk ground. By linking collision rate corridor and failure rates with number fatalities grou...

The prevalence of Achilles tendon (AT) injury is high in various sports, and AT rupture patients have been reported to have a 200-fold risk of sustaining a contralateral rupture. Tendon adaptation to different exercise modes is not fully understood. The present study investigated the structural properties of the AT in male elite athletes that subject their AT to different exercise modes as well...

Spontaneous subcapsular renal hematoma is a rare condition in clinical practice. It is caused by renal cysts, benign and malignant renal tumors, vascular lesions, and antiplatelet or anticoagulant therapy. In this paper we report an unusual case of rupture of a renal cyst of a 66-year-old male patient during an aortic and iliac endovascular procedure for a massive calcified atheroma above the i...

Background: Bilateral rupture of the patellar tendon is a very rare injury, which takes place in relation to chronic systemic diseases. These injuries are known causes. Some of these causes are particular in patellar tendon rupture and another are in quadriceps tendon rupture. Case presentation: 70-year-old diabetic man with simultaneous bilateral patellar tendon disruption of proximal inser...

There is a rupture between the past symbolized by urban heritage and modernity development. This paper aims to discuss its protection from perspective of time, puts forward concept time rupture. A ‘time rupture’ refers fault in expression discontinuity people’s sense time. Based on case study Shanghai’s heritage, including Xintiandi, Hailun Road Old City historical area, this finds manifestatio...

BACKGROUND Subclinical episodes of plaque disruption followed by healing are considered a mechanism of increased plaque burden. Detailed pathological studies of healed ruptures, however, are lacking. METHODS AND RESULTS We identified acute and healed ruptures from 142 men who died of sudden coronary death and performed morphometric measurements of plaque burden, luminal stenosis, and smooth m...

Traumatic aortic rupture is at the present time considered a life-threatening condition that requires emergent surgical intervention. Conventional surgical repair carries a certain risk of mortality and morbidity. Since the introduction of aortic stent-graft, endovascular repair has gradually become a new alternative surgical approach for treating traumatic aortic rupture. We hereby present the...

The forced rupture of single chemical bonds in biomolecular compounds (e.g. ligand-receptor systems) as observed in dynamic force spectroscopy experiments is addressed. Under the assumption that the probability of bond rupture depends only on the instantaneously acting force, a data collapse onto a single master curve is predicted. For rupture data obtained experimentally by dynamic AFM force s...

hydroforming process in one of the most effective production method, for improving the drawing ratio in sheet metal forming process. this is due to the fact that in hydroforming process, forming takes place using a punch which drives the part forward via a controlled fluid pressure. in this paper, deep drawing hydroforming for circular punch is investigated. different pressure paths are tested ...