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Tytuł:
Survival of tunneled hemodialysis catheters after percutaneous placement
Autorzy:
Weber, Ewa
Liberek, Tomasz
Wołyniec, Wojciech
Gruszecki, Marcin
Rutkowski, Bolesław
Powiązania:
https://bibliotekanauki.pl/articles/1038854.pdf
Data publikacji:
2016
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
hemodialysis
tunneled catheter
survival
Opis:
Background. Tunneled catheters are becoming increasingly used as a permanent dialysis access. Easy way of insertion and good long-term patency make them competitive to fistulas in some groups of patients. Methods. Late complications and survival of 180 tunneled catheters inserted from June 2010 to December 2013 in 171 unselected hemodialysis patients were analyzed. Results. The cumulative time of observation was 2103.5 patient-months and median observation was 9 months (range of 0.5-45 months). Only 19 out of 180 catheters were removed due to complications (12 for infections, 4 due to malfunction and 3 because of mechanical damage). Majority of catheters were removed electively: 27 after maturation of arterio-venous fistula (AVF), 4 after kidney transplant, 5 after transfer to peritoneal dialysis and 3 due to the recovery of renal function. At the end of the observation, 58 catheters were still in use and 64 patients had died with functioning catheter. When censored for elective catheter removal and patient death, 88.2% of catheters survived for 1 year. Catheter survival was significantly better in older patients (over 65 years, in comparison to patients < 65 years, p = 0.046). Conclusions. Nearly 90% of all inserted catheters gave reliable dialysis access as long as it was needed. Among them, over 30% of the inserted catheters were in use at the end of the observation period, and over 30% of patients had died with a functioning catheter. The results of tunneled catheters survival are encouraging and they should be taken into consideration during decision-making on vascular access, especially in the older patients.
Źródło:
Acta Biochimica Polonica; 2016, 63, 1; 139-143
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Environmental factors affecting the survival of soil dwelling Legionella longbeachae in water
Autorzy:
Potočnjak, Mia
Magdalenić, Zlatko
Dijan, Marija
Rebić, Danica
Gobin, Ivana
Powiązania:
https://bibliotekanauki.pl/articles/990884.pdf
Data publikacji:
2016
Wydawca:
Instytut Medycyny Wsi
Tematy:
legionella
survival
stagnant tap water
temperature
Opis:
Introduction. Legionella longbeachae, a causative agent of Legionnaire’s disease, has often been associated with potting soil and gardening, a feature quite distinct from other Legionella species. The precise transmission mechanism is still unknown, although due to the ecological coherence of the soil and water there is a potential risk of infection by contaminated stagnant water in the garden. Objective. The aim of the study was to explore the ability of L. longbeachae to survive in stagnant tap water usually used for watering in gardens. The influence of different factors (temperature, pH and NaCl concentration) on L. longbeachae survival in stagnant tap water was also tested. Results. The result showed that L. longbeachae is viable in stagnant tap water over 100 days at 4 °C and 25 °C. The survival of L. longbeachae exposed to different pH and NaCl concentration suggests resistance to low pH values (pH2 and pH5) and all tested NaCl concentrations at temperatures lower than 25 °C. The ability of L. longbeachae to persist in stagnant tap water should be taken seriously in the risk assessments as a possible hidden reservoir of infection.
Źródło:
Annals of Agricultural and Environmental Medicine; 2016, 23, 3
1232-1966
Pojawia się w:
Annals of Agricultural and Environmental Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Cancer of the gallbladder – own experience
Autorzy:
Gryko, M.
Dawidziuk, T.
Sawicka, E.
Cepowicz, D.
Kamocki, Zb.
Masiulaniec, P.
Kędra, B.
Powiązania:
https://bibliotekanauki.pl/articles/1916507.pdf
Data publikacji:
2014
Wydawca:
Uniwersytet Medyczny w Białymstoku
Tematy:
gallbladder cancer
survival
surgery
gallstones
cholecystectomy
Opis:
Gallbladder cancer is a relatively rare cancer of the gastrointestinal tract, most commonly detected (approximately 95% of cases) in the most advanced clinical stage IV and burdened with high mortality rate. This is mainly due to the nonspecific symptoms in the early stages of the disease. The remaining cases of gallbladder cancer are usually detected after surgery due to gallstone disease. Gallstones, their size and pancreatic juice reflux into the gallbladder are risk factors in the development of gallbladder cancer. In this paper the authors carried out a retrospective research based on an evaluation of a group of 38 patients treated surgically due to the gallbladder cancer in the years 2005-2012 in the Second Department of General and Gastroenterological Surgery in Białystok Medical University Hospital. In this group there were 29 women and 9 men, in age between 48-86 years. Although women suffered from gallbladder cancer more often than men, their survival rate was significantly better after the surgery. The research showed some benefits of extended surgical procedures even in patients with advanced stages of the disease, while the effectiveness of surgical treatment depends mainly on the possibility of radical resection of the primary lesion and, eventually, the resection of lymph nodes and other infiltrated tissues.
Źródło:
Progress in Health Sciences; 2014, 4, 1; 153-157
2083-1617
Pojawia się w:
Progress in Health Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
In vitro regeneration of Vitellaria paradoxa from shoot tip explants
Autorzy:
Afful, N.T.
Abdulai, I.
Azu, E.
Elegba, W.
Annor, W.
Akama, C.
Asare, K.
Dentey, J.
Amoatey, H.M.
Powiązania:
https://bibliotekanauki.pl/articles/2096257.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Vitellaria paradoxa
shea
shoot
root
survival
Opis:
Shea tree (Vitellaria paradoxa) is an essential tree crop with great potential economic value mainly because of its seed oil (shea butter) which is of high demand for manufacturing assorted products in food, cosmetic, and rubber industries. Propagation of this species is, however, hindered by relative unavailability of seed (nuts), erratic seed germination, a long vegetative phase, and latex exudation from cuttings. Thus, another method of propagation through in vitro culture is recommended for rapid multiplication of shea genotypes for large-scale cultivation. In the present study, the effects of two cytokinins, namely, 6-benzylaminopurine (BAP) and kinetin (KIN), and one auxin, namely 1-naphthaleneacetic acid (NAA), on shoot and/or root induction in vitro were assessed at various combinations/concentrations. The inclusion of these growth regulators in the culture medium significantly improved (P < 0.05) shoot/root regeneration over the controls. The highest shoot regeneration percentage (100%) was obtained on Murashige and Skoog (MS) basal medium supplemented with 2 mg * dm^-3 KIN + 0.5 mg * dm^-3 NAA or 1.5 mg * dm^-3 KIN within 7/8 days of inoculation. This medium (2 mg * dm^-3 KIN + 0.5 mg * dm^-3 NAA) showed the highest mean shoot length of 3.24 cm. Compared to KIN, BAP was more effective in inducing vigorous shoot growth. However, rooting was induced only on MS medium modified with 1 mg * dm^-3 BAP + 0.5 mg * dm^-3 NAA. These findings can serve as baseline information for in vitro, commercial scale propagation of shea tree.
Źródło:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2022, 103, 1; 71-79
0860-7796
Pojawia się w:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Mechanical complications of acute myocardial infarction considering risk factors, treatment and survival of patients in 10-year clinical observation
Mechaniczne powikłania ostrego zawału serca z uwzględnieniem czynników ryzyka, leczenia i przeżywalności chorych w 10-letniej obserwacji klinicznej
Autorzy:
Dąbek, Józefa
Skorus, Paweł R.
Potyka, Katarzyna
Potyka, Marek
Stachoń, Krystian
Gąsior, Zbigniew
Powiązania:
https://bibliotekanauki.pl/articles/1035255.pdf
Data publikacji:
2019
Wydawca:
Śląski Uniwersytet Medyczny w Katowicach
Tematy:
mechanical complications
myocardial infarction
survival
treatment
Opis:
INTRODUCTION: Cardiovascular diseases, including coronary disease and its complications, are the most common cause of death. Myocardial infarction is usually caused by a blood clot cosing the lumen of a coronary artery at the site of an unstable atherosclerotic plaque. MATERIAL AND METHODS: All the analyzed patients with mechanical complications of acute myocardial infarction (AMI) were hospitalized at the 2nd Department of Cardiology and Department of Anaesthesiology and Intensive Care of the Upper-Silesian Medical Centre in Katowice in 2006–2016 and the database was based on the medical records of the patients. The study group comprised 52 (100%) patients. There were 23 (44.2%) women and 29 (55.8%) men, aged 54 to 84 years with a mean age of 69.8 years. RESULTS: Ventricular septal rupture (n = 36; 69.2%) was the most frequently observed complication but papillary muscle rupture (n = 4; 7.7%) and tendinous chord rupture (n = 4; 7.7%) were the least frequent. Hypertension and hypercholesterolemia were the most common risk factors for coronary heart disease in the study group. An increased mortality rate was observed in patients who received pharmacological treatment compared to surgically treated patients (87.5% vs. 61.4%). The majority of patients had one risk factor for coronary heart disease (28; 53.8%). CONCLUSIONS: 1. In the study group, ventricular septal rupture and the cardiac free wall rupture were the most frequently observed mechanical complications of AMI. 2. Patients with AMI had numerous risk factors for coronary heart disease, of which hypertension and hypercholesterolemia were the most common. 3. Patients with mechanical complications of AMI had both higher mortality rates than survival and they were higher in the pharmacologically treated group.
WSTĘP: Choroby układu krążenia, w tym choroba wieńcowa i jej powikłania, stanowią najczęstszą przyczynę zgonów. Zawał mięśnia sercowego spowodowany jest zwykle pęknięciem blaszki miażdżycowej i zamknięciem tętnicy wieńcowej skrzepliną. MATERIAŁ I METODY: Badaniem objęto 52 chorych (100%) z mechanicznymi powikłaniami ostrego zawału serca, hospitalizowanych w II Oddziale Kardiologii oraz Oddziale Anestezjologii i Intensywnej Terapii Górnośląskiego Centrum Medycznego w Katowicach w latach 2006–2016, wtym 23 kobiety (44,2%) i 29 mężczyzn (55,8%) w wieku 54‒84 lat (średnia wieku 69,8 roku). WYNIKI: Najczęstszym powikłaniem było pęknięcie przegrody międzykomorowej (n = 36; 69,2%), natomiast do najrzadszych należały pęknięcie mięśnia brodawkowatego (n = 4; 7,7%) i pęknięcie ścięgien (n = 4; 7,7%). Nadciśnienie i hipercholesterolemia były najczęstszymi czynnikami ryzyka wystąpienia choroby niedokrwiennej serca w badanej grupie. Zwiększoną śmiertelność zaobserwowano u pacjentów leczonych farmakologicznie (87,5%), podczas gdy śmiertelność pacjentów leczonych operacyjnie wynosiła 61,4%. U większości pacjentów występował jeden czynnik ryzyka choroby wieńcowej (n = 28; 53,8%). WNIOSKI: 1. Najczęstszymi powikłaniami były pęknięcie przegrody międzykomorowej i pęknięcie ściany serca. 2. U pacjentów występowało wiele czynników ryzyka dla choroby niedokrwiennej serca, spośród których najczęstszymi były nadciśnienie i hipercholesterolemia. 3. Śmiertelność w badanej grupie chorych z mechanicznymi powikłaniami ostrego zawału serca znacznie przewyższała przeżywalność i była większa w grupie leczonych zachowawczo.
Źródło:
Annales Academiae Medicae Silesiensis; 2019, 73; 119-129
1734-025X
Pojawia się w:
Annales Academiae Medicae Silesiensis
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
“My Monster Self”: Violence and Survival in Margaret Atwood’s Moral Disorder
Autorzy:
Fakhrshafaie, Nahid
Bahremand, Alireza
Powiązania:
https://bibliotekanauki.pl/articles/2032712.pdf
Data publikacji:
2021-11-22
Wydawca:
Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
Tematy:
caregiving
outsider
insider
garrison mentality
gaze
survival
Opis:
Margaret Atwood’s novels are usually celebrated for their blunt feminism. However, in Moral Disorder—a series of interconnected stories that forms a novel—feminist concerns are replaced with worries about territory and survival. The protagonist is an insider whose sole concern is to survive and to protect her territory. The confrontation between the narrator as the insider and the outsiders does not occur directly but could be inferred by her cruelty toward other characters and her violence against the animals under her care. The present study argues that this cruelty, which abounds in the novel, could be viewed as a substitute for violence against the outsiders. The narrator’s gaze at the Indian boy who entered the protagonist’s territory manifests a garrison mentality. The frequent references to axes in the novel are compared to the use of axes in “Wilderness Tips,” a short story by Atwood in which axes also have a metaphoric significance. The beheading and dismemberment of domestic animals could be the punishment awaiting the intruder. The novel establishes a division between the insider/outsider, here/there, self/other and civilized/barbaric to call for action and awareness about the importance of protecting one’s territory.
Źródło:
Text Matters: A Journal of Literature, Theory and Culture; 2021, 11; 263-278
2083-2931
2084-574X
Pojawia się w:
Text Matters: A Journal of Literature, Theory and Culture
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Scots pine Pinus sylvestris mortality after surface fire in oligotrophic pine forest Peucedano-Pinetum in Kampinos National Park
Autorzy:
Tyburski, Łukasz
Zaniewski, Piotr T.
Bolibok, Leszek
Piątkowski, Mateusz
Szczepkowski, Andrzej
Powiązania:
https://bibliotekanauki.pl/articles/2044173.pdf
Data publikacji:
2019
Wydawca:
Instytut Badawczy Leśnictwa
Tematy:
burn
Kampinos National Park
Scots pine
survival
Opis:
Pines are generally fire-resistant trees. There is a shortage of research on the behaviour of Scots pine after surface fire in older stands. The aim of the work was to describe the effect of the surface fire intensity on the mortality of pines of various diameter at breast height (DBH), including older trees. The research was conducted in Peucedano-Pinetum oligotrophic Scots-pine forest in Kampinos National Park (KPN, central Poland) on the area of two adjacent surface fire sites originated in spring 2015 in 60- to 200-year-old stands (site area: 10,92 ha). There were 45 (28 burned and 17 control) permanent plots established after the fire. The share of not burned, superficially burned and completely burnout organic horizon of the soil was determined within all of them. DBH and location of pine trees were measured within all of the plots on the area of 200 m2. For all of the trees for which full information about soil organic horizon damage was mapped, the prevailing type of disturbance in their close neighbourhoods with radii of 1 and 2 m was assessed. The mortality of trees was assessed after each vegetation period up to 2017, basing on the presence of green needles on the trees. The influence of fire intensity on the survival of trees was examined on whole permanent plot level as well as on individual tree level. Strong linear correlation was observed between Scots pine mortality and the share of plots area with damaged organic layer, especially at the end of the third vegetation period after fire. Logistic regression models constructed for individual trees suggest that bigger tree diameter (hence, thicker bark) diminished the odds of mortality only after two vegetation periods from the fire. After the third vegetation period, only the intensity of surface fire in the close neighbourhood of trees influenced (negatively) the chance on survival. The size of trees did no matter in this case. Nearly all of the trees that were located within burnout organic matter areas died. The results did not support the commonly known mechanism of enhancement of bigger Scots pine tree survival after surface fire because of thicker bark responsible for heat protection. Probably, the main cause of observed mortality was not overheating of cambium but it was rather connected to massive fine root loses. Scots pines growing on oligotrophic arid sites modify their root system to explore topsoil layers with higher proportion of shallow roots, growing even in organic litter layer. This corresponds with massive (regardless of size) pine mortality within sites characterised by complete burnout of organic matter layer and very high survival in those ones with only surfacely burned litter layer. The results can improve the assessment of surface fires consequences in managed Scots pine stands growing in oligotrophic conditions.
Źródło:
Folia Forestalia Polonica. Series A . Forestry; 2019, 61, 1; 51-57
0071-6677
Pojawia się w:
Folia Forestalia Polonica. Series A . Forestry
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The growth of seven Abies grandis provenances in the climatic conditions of the Polish Carpathian Mountains
Autorzy:
Wilczynski, S.
Kulej, M.
Powiązania:
https://bibliotekanauki.pl/articles/2077766.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:
grand fir
dendrochronology
dendroclimatology
survival
growth parameters
Opis:
The introduction of foreign tree species to new areas facilitates an increase in species biodiversity and possibilities for growth of tree stands. Many years of research related to survival rate, basic growth features and evaluation of a sensitivity to climatic conditions of a new habitat is necessary to achieve a successful introduction. The paper presents the results of the research on the adaptation of grand fir to the climatic conditions in the provenance trial located in the lower montane forest belt. The dendroclimatic research has concerned the offsprings of 7 grand fir provenances originated from North America. A total of 24 trees from each provenance were selected and two cores from each tree were taken. Principal component analysis of tree-ring widths was used to classify the provenances. The climate elements described by PC1 and PC2 were identified on the basis of bootstrap correlation function. Survival rate, height and diameter at breast height of trees were also analysed. The features of the studied provenances showed significant differences. The variation of the inter-provenance survival rate and the increase in tree height of particular provenances were determined principally by the genotype. Grand firs trees from Region I exhibited superior survival rates and better dynamic increases in tree height. The variability of these two features had the character of clinal variation because they primarily depended on the elevation and the latitude of the maternal tree stands. Two groups of provenances which were connected with the regions of their natural distribution were characterized on the basis of the features of the short-term rhythm of the radial increments. The provenances of two specific groups revealed different sensitivity to temperature, rainfall, humidity and sunshine. The greatest effect on the variation of radial increments had been produced by the moisture and pluvial factors whilst the solar factor had produced the least effect on it. The air temperature made also a relatively high contribution to their radial increments. Grand fir trees from the Salmon River provenance in British Columbia provided the best trees from the cultivation point of view. The provenances from Vancouver Island and the western slope of the Cascadian Mountains in Washington State have been regarded as the best for introducing and acclimatising to the conditions of the Carpathian Mts.
Źródło:
Dendrobiology; 2019, 81; 1-13
1641-1307
Pojawia się w:
Dendrobiology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Dioscin improves survival in murine endotoxemia induced by Lipopolysaccharide
Autorzy:
Bing, Han
Jing, Lu
Meitong, Liu
Zhe, Feng
shuang, Guan
Powiązania:
https://bibliotekanauki.pl/articles/895519.pdf
Data publikacji:
2018-12-31
Wydawca:
Polskie Towarzystwo Farmaceutyczne
Tematy:
cytokines
survival
Endotoxemia
Dioscin
NF- қB
Opis:
Dioscin is a natural steroidal saponin mainly exacted from Dioscoreae Rhizoma, which usually used as traditional medicine in east asia area. Dioscin has various pharmacological actions. However, little is known concerning the role on Lipopolysaccharide (LPS)-induced endotoxemia. The aim of the present study was to investigate the effects and possible mechanisms of dioscin against LPS-induced endotoxemia in mice. The data showed dioscin significantly increased mouse survival when mice were treated with dioscin prior to or after LPS challenge and significantly attenuated TNF-α, IL-1β and IL-6 production in serum. Further studies revealed that dioscin could downregulate LPS-induced nuclear transcription factor - қB (NF-қB) signal transduction pathways. These observations indicated that dioscin modulated early cytokine responses by blocking NF-қB activation, and thus, increased mouse survival in murine endotoxemia induced by LPS.
Źródło:
Acta Poloniae Pharmaceutica - Drug Research; 2018, 75, 6; 1347-1352
0001-6837
2353-5288
Pojawia się w:
Acta Poloniae Pharmaceutica - Drug Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Psucie mechanizmów homeostazy w systemach przyrody I społeczeństwa
Spoiling of homeostasis mechanisms in natural and social systems
Autorzy:
Sztumski, Wiesław
Powiązania:
https://bibliotekanauki.pl/articles/530938.pdf
Data publikacji:
2020-02-10
Wydawca:
Państwowa Wyższa Szkoła Zawodowa w Raciborzu
Tematy:
homeostasis
sustainable development
stabilization
technical progress
survival
Opis:
The author draws attention to the low-profile phenomenon of disassembly of equilibrium mechanisms. Although it has accompanied the progress of civilization since the beginning of humanity and intensified in the Anthropocene era, it has become particularly visible and dangerous since the mid-twentieth century. More and more people tinker with homeostasis of nature and social systems with the help of increasingly better tools and technologies and spoil it in proportion to its possibilities and rapidly growing consumer needs. They do it unnecessarily on such a large scale, foolishly and irresponsibly. They do not care that future generations are increasingly reducing their chances of survival. In individual parts of the article, homeostasis is discussed and its importance for the existence and development of natural and social systems, and the dismantling of homeostasis mechanisms in the geobiosphere, sociosphere and economy. In conclusion, the author shows the dilemma faced today by humanity: whether to follow the path delineated by the calculating reason controlled by the ideology of consumerism and uncontrollable economic growth, and further weaken homeostasis, which threatens with extermination, or try to stop it for the benefit of future generations and for prolonging life humanity. The decision must be made by the present and next generation, because in a dozen or so years it may be too late.
Źródło:
Eunomia – Rozwój Zrównoważony – Sustainable Development; 2019, 2(97); 125-134
1897-2349
2657-5760
Pojawia się w:
Eunomia – Rozwój Zrównoważony – Sustainable Development
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Intercultural Dialogue as a way out of the present crisis.
Autorzy:
Ferrarotti, Franco
Powiązania:
https://bibliotekanauki.pl/articles/2232450.pdf
Data publikacji:
2023-07-17
Wydawca:
Academicus. International Scientific Journal publishing house
Tematy:
technique
mass anxiety
intercultural dialogue
tradition
survival
Opis:
We live in a technical age. That is to say, modern societies have adopted technological innovation as a guide-principle. But technique is a perfection without an aim. It can only control its internal operations. It is the eternal return of the identical. Hence, a general feeling of social disorientation and anxiety. Moreover, in a nuclear age such as ours, there is no guarantee of survival for mankind. From a diachronic historical process, we are in a synchronic one. All cultures are to be considered at the same level. The only way out is dialogue, intercultural relations, based on a concept of «cultural co-tradition».
Źródło:
Academicus International Scientific Journal; 2023, 14, 28; 9-28
2079-3715
2309-1088
Pojawia się w:
Academicus International Scientific Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Past and Present in Jorge Semprun’s "L’écriture ou la vie"
Autorzy:
Ferri, Giulia
Powiązania:
https://bibliotekanauki.pl/articles/606275.pdf
Data publikacji:
2016
Wydawca:
Uniwersytet Marii Curie-Skłodowskiej. Wydawnictwo Uniwersytetu Marii Curie-Skłodowskiej
Tematy:
concentration camp
autobiography
memoir
metatextuality
trauma, deportation
survival
Opis:
Der Band enthält die Abstracts ausschließlich in englischer Sprache.
Том не содержит аннотаций на английском языке.
Being a survivor to the Buchenwald concentration camp may implythe inability to tell this tragic experience. Semprun tries to go beyond this difficulty by writing L'écriture ou la vie. His trauma and the camp’s omnipresence determine a noncoincidence between interior and exterior time and the fragmentation of the text. Chronological linearity makes way for a labyrinthic time caractherized by a continuous change of present into past tense and by several flashbacks and metatextual digressions. The latter are also the indication that the elaboration process is underway and this suggests that art in itself makes the evolution possible.
Le numéro contient uniquement les résumés en anglais.
Źródło:
Lublin Studies in Modern Languages and Literature; 2016, 40, 2
0137-4699
Pojawia się w:
Lublin Studies in Modern Languages and Literature
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Growth performance and survival rate of giant gourami fingerlings (Osphronemus goramy Lacepede, 1801) with potassium diformate addition
Autorzy:
Nugraha, Algi Azmi
Yustiati, Ayi
Bangkit, Ibnu
Andriani, Yuli
Powiązania:
https://bibliotekanauki.pl/articles/1030092.pdf
Data publikacji:
2020
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Osphronemus goramy
giant gourami
growth
potassium diformate
survival
Opis:
This research aims to determine the method of adding potassium diformate to commercial feed to increase survival and growth in gourami juvenile. The method used in this research is an experimental method using a Completely Randomized Design (CRD), consists of four treatments and four replications. The treatments used are (A) Without giving Potassium diformate (control), (B) giving potassium diformate by 0.3%, (C) giving potassium diformate by 0.5% and (D) giving potassium diformate by 0.8%. The test fish used was 300 giant gourami with a length of 4-6 cm. The containers used in this research were aquariums with a size of 40 × 30 × 40 cm3 that reared in 16 aquariums. The density of giant gourami fingerlings during the research was 10 fish per aquarium. The rearing period was 40 days. The feed given was 3% of body mass. Water quality parameters (temperature, pH and dissolved oxygen) were observed every 10 days. Other parameters are the daily growth rate, feed efficiency, the survival rate and the acidity of intestinal and stomach which were observed every 10 days. The results showed that the addition of potassium diformate by 0.3% gives the best results of daily growth rate of 1.31%, feeding efficiency of 37.18%, survival rate of 100% and decreased acidity in the intestine and stomach which helps in the process of protein absorption.
Źródło:
World Scientific News; 2020, 143; 103-114
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Psychomotor performance of Polish Air Force cadets after 36 hours of survival training
Autorzy:
Tomczak, Andrzej
Dąbrowski, Jan
Mikulski, Tomasz
Powiązania:
https://bibliotekanauki.pl/articles/990831.pdf
Data publikacji:
2017
Wydawca:
Instytut Medycyny Wsi
Tematy:
military training
survival
sleep deprivation
coordination motor skills
Opis:
Introduction. The preparation of Polish Air Force cadets for survival in isolation is a necessary element of their training, to demonstrate just how difficult can be the conditions they could encounter in a combat situation. Objective. The aim of the research was to assess the effect of long-term survival training on selected coordination motor skills in Air Force cadets. Materials and method. Fifteen air force cadets aged 19.6±0.3 years exercised for 36 hours during survival training without the possibility to sleep. They were examined 4 times: Day 1 – before effort (training), Day 2 – after 24 hours training, Day 3 – directly after 36 hours training, Day 4 – next day, after an all night rest. They were examined for shooting and reaction time, the ability to maintain body balance, running motor adjustment, handgrip force differentiation, and on Days 1 and 3, exercise capacity was evaluated with a 1 mile walking test. Results. The survival training resulted in significant decreases in maximum handgrip strength, corrected 50% max handgrip, maintenance of body balance and heart rate. No changes occurred in reaction time, running motor adjustment and shooting performance. Overnight rest did not result in recovery of any of the examined factors to the values observed on Day 1. Conclusion. Survival training combined with sleep deprivation mostly affected peripheral factors depending on strong action from both muscles and nervous system, whereas complex tasks involving short-term central alertness and moderate exertion were maintained. In order to improve performance, more endurance strength training, if possible combined with sleep deprivation, should be introduced in military training.
Źródło:
Annals of Agricultural and Environmental Medicine; 2017, 24, 3
1232-1966
Pojawia się w:
Annals of Agricultural and Environmental Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 89

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