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Determination of vertical and horizontal soil displacements in automated measuring systems on the basis of angular measurements

100%
Bednarski Ł.
Czasopismo Techniczne
|
-
PL
The increasing interest in monitoring systems for soil displacements, prompted the authors to search for calculation methods which would allow the construction of monitoring devices without the need to place sensors in inclinometric tubes. The application of the spline interpolation method and the local approximation method by means of weighted moving squares allowed for the creation of curves which describe the soil deformation with the required accuracy. The basic equations of this calculation method and numerical examples are presented in the paper.
2
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Przewlekła hipotonia po zabiegu trabekulektomii. Opis przypadku

63%
Cywiński A., Bednarski Ł.
OphthaTherapy
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2016
|
vol. 3
|
issue 2
126-130
EN
61-year-old women has undergone trabeculectomy in her left eye, because of progressive glaucomatous neuropathy. Ten years after the surgery a serious impairment of vision was observed. An examination has revealed hypotony and, as a consequence of this, progressive astigmatic hyperopy in this eye. Additionally, a large multicystic filtration bleb has been detected which caused deformation of the eyeball. The patient was qualified to plastic surgery of the conjunctiva and Tenon’s capsule. A gradual intraocular pressure normalization with practical relief of the eye defect and an improvement of visual acuity were obtained.
PL
61-letnia kobieta została poddana zabiegowi trabekulektomii z powodu postępującej jaskry w lewym oku. 10 lat po zabiegu stwierdzono znaczące upośledzenie widzenia w tym oku. Badanie przedmiotowe wykazało hipotonię oraz postępującą wadę astygmatyzmu nadwzrocznego, będącą konsekwencją zbyt niskiego ciśnienia wewnątrzgałkowego. Dodatkowo stwierdzono obecność olbrzymiego wielokomorowego pęcherzyka filtracyjnego zniekształcającego gałkę oczną. Pacjentka została zakwalifikowana do chirurgicznej plastyki spojówki oraz torebki Tenona obejmującej okolicę przetoki twardówki. Po zabiegu uzyskano stopniową normalizację ciśnienia wewnątrzgałkowego, praktyczne ustąpienie wady astygmatyzmu nadwzrocznego oraz związaną z tym poprawę ostrości wzroku.
3
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Structural health monitoring of a rail bridge structure impacted by mining operation

51%
Bętkowski P., Bednarski Ł., Sieńko R.
Czasopismo Techniczne
|
-
PL
Structures located in areas affected by mining operation are subjected to movements and tilting. Continuous monitoring of the structure’s response to these forces allows for the control of their impact on the technical condition of the structure. In the case of railway structures, the measurements may allow further determination of the impact of modifications to the geometry of the structure on the track. This paper presents the results of observing indications of Structural Health Monitoring installed on an actual bridge construction under which mining operations were being conducted.
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