Gaseous atomic nickel in the coma of interstellar comet 2I/Borisov.

On 31 August 2019, an interstellar comet was discovered as it passed through the Solar System (2I/Borisov). On the basis of initial imaging observations, 2I/Borisov seemed to be similar to ordinary Solar System comets-an unexpected characteristic given the multiple peculiarities of the only known previous interstellar visitor, 1I/'Oumuamua. Spectroscopic investigations of 2I/Borisov identified the familiar cometary emissions from CN (refs.

Automated Detection of Firearms and Knives in a CCTV Image.

Closed circuit television systems (CCTV) are becoming more and more popular and are being deployed in many offices, housing estates and in most public spaces. Monitoring systems have been implemented in many European and American cities. This makes for an enormous load for the CCTV operators, as the number of camera views a single operator can monitor is limited by human factors.

[Evaluation of influewnce of Dupuytryen contracture's operative treatment on increase of quality of hand's function basing on research in use DASH (disability of the arm, shoulder and hand) questionnaire - own experience].

Unlabelled: The essence of Dupuytryen's contracture is progressive process of fibrous overgrow of the subfascial sturctures of hand volar's surface. This is the reason of impaired range of the finger movement's and subsequent limitations of their function.

Material And Methods: The study group consist of 95 patients treated because of Dupuytryen contracture in the 2nd Chair of Surgery, Medical College of JagielIonian University between 2006-2011.

[Evaluation of hand injury severity].

Hand Trauma Severity Scale (HTSS) was created on the basis of our study on 1199 patients who were treated because of the hand injuries in the Second Chair of Surgery Jagiellonian University in Krakow in years 1987-2000. (last examination in 2010, follow-up: 11 to 23 years, mean follow-up: 16 years). Hand Trauma Severity Scale (HTSS) has been created based on We looked at the range of injury, likely total length of treatment, final functional result and possible amount of posttraumatic disability.

[Hand injuries caused by circular saw].

The investigation was carried out on 1199 patients treated for hand injuries in the II Department of Surgery of the Jagiellonian University between years 1987-2000. There were 225 patients injured while working with circular saw. These injuries were much more severe than others (p < 0.

[Hand injuries in adolescents].

Material And Methods: Based on the materials of 134 adolescent patients (age 15-19) with hand injuries treated in the II Department of Surgery of the Jagiellonian University between 1987-2000 results of treatment were described. The adolescents constituted 11.8% of all patients treated due to hand injuries.

Alcohol-related hand injuries.

The study was based on 1199 patients consecutively treated for hand injuries in the Second Department of Surgery of the Jagiellonian University in Krakow between the years 1987 and 2000. Three hundred and twenty of these patients (26.6%) had consumed alcohol several hours before an accident.

[Evaluation of posttraumatic hand function in everyday activities].

The original Hand Disability Score (HDS) questionnaire which subjectively evaluates the quality of hand function in 25 one- and two-handed daily living activities was developed. The strict correlation (p < 0.001) between HDS and both severity of injury and objectively measured hand impairment was confirmed.

[Hand injuries in elderly patients].

We studied 1199 patients treated in II Department of Surgery in Cracow between 1987 and 2000. In the studied group, 138 patients were aged over 60 years. In most cases the injury took place at home (43.

[Occupational hand injuries].

Background: Hand injuries are the most frequent bodily traumas sustained at work. The aim of the study was to assess hand injuries and the results of their treatment in a group of our patients.

Materials And Methods: The study covered 275 patients with occupational hand injuries treated in the II Department of Surgery, Collegium Medicum, Jagiellonian University, Kraków, during the years 1987-2000.

[Hand injuries in the Krakow Region].

The material of 1199 patients with hand injuries treated in the II Department of Surgery in Krakow within the years 1987-2000 was epidemiologically elaborated. The adult population in this region counts 850,228 thousand inhabitants, therefore the number of hand injuries demanding special procedures amounts 5.74 for 10 thousand inhabitants yearly.

[The economic impact of hand injury].

Basing on 170 cases treated at the II Surgery Department of the Medical Faculty of Kraków University, the authors have tried to assess the direct and indirect costs of treatment of hand injuries. The rates negotiated between the Małopolska NHS Provides and the University Hospital were analyzed in order to assess direct treatment costs of hand injuries. Indirect cost assessment was based on analysis of insurance costs sustained by insurance providers.

[Incidence and risk factors of rebleeding from gastric and duodenal ulcers].

We present the analysis of risk factors of recurrence of bleeding in patients with gastric and duodenal ulcers. The group consisted of 178 patients hospitalized between 1998-2002. Among them there were 76 patients with gastric ulcers and 102 patients with duodenal ulcers.