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Wyświetlanie 1-15 z 91
Tytuł:
Identification of sterile wild oat (Avena sterilis L.) resistance to acetolactate synthase (ALS)-inhibiting herbicides using different assay techniques
Autorzy:
Abdurruhman, A.M.
Uygur, S.
Mathiassen, S.K.
Uygur, N.
Powiązania:
https://bibliotekanauki.pl/articles/2082753.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
acetolactate synthase
agar-based assay
Avena sterilis
Petri-dish assay
whole-plant assay
Opis:
Different techniques have been devised to detect herbicide resistance in weeds, and the over- all aim from this study was to compare four different assay techniques for evaluating acetol- actate synthase (ALS)-inhibiting herbicide resistance in sterile wild oat (Avena sterilis L.). A resistant sterile wild oat population (R) was collected from the wheat field in Kozan, Adana province, Turkey. The susceptible (S) population was collected from the border of the same field. Effects of different doses of mesosulfuron-methyl + iodosulfuron-methyl- -sodium and pyroxsulam + cloquintocet-mexyl were assessed in agar based (seed and seed- ling) assay, Petri dish with seeds, and whole plant pot assay. In the agar based assays, the level of resistance was evaluated by measuring coleoptile and hypocotyl lengths, and sur- vival of seedlings. Plant height and shoot dry weight were measured in the Petri dish and whole plant pot assays, respectively. Results from the dose response analyses showed that both the R and S populations were extremely sensitive to mesosulfuron-methyl + iodosul- furon in the seedling bioassay. The resistance indices (RI’s) of the R biotype treated with mesosulfuron-methyl + iodosulfuron in the agar based seed, Petri dish, and whole plant assays were 2.29, 2.63 and 4.18, respectively. The resistance indices of the R biotype treated with pyroxsulam + cloquintocet-mexyl was 3.41, 5.05 and 2.82 in the agar based seed, Petri dish, and whole plant pot assays, respectively. The agar based seed assays and Petri dish as- say provided feasible, accurate, rapid, and cost effective opportunities to identify resistance in sterile wild oat.
Źródło:
Journal of Plant Protection Research; 2020, 60, 3; 244-252
1427-4345
Pojawia się w:
Journal of Plant Protection Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Consequences of mitochondrial translation perturbation for the whole cell transcriptome
Autorzy:
Adamowicz, A.
Kwasniak, M.
Janska, H.
Powiązania:
https://bibliotekanauki.pl/articles/81252.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
conference
gene encoding
mitochondrial protein
whole cell
transcriptome
abiotic stress
biotic stress
chromosome complex
Źródło:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2013, 94, 3
0860-7796
Pojawia się w:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Life Cycle Costing (LCC) in Nigerian construction industry: Barrier and Drivers facing its Implementation
Autorzy:
Akinrata, Ebunoluwa Bimbola
Powiązania:
https://bibliotekanauki.pl/articles/1193053.pdf
Data publikacji:
2016
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
life-cycle costing (LCC)
Barrier
Whole Life Cost (WLC)
Nigerian construction industry
Implementation
Benefit
Opis:
Life cycle cost in construction projects is a process of economic decision analysis, which helps taking decisions on investments in new construction. These decisions on investments are analyzed for the payback over the life of the investment. Life-cycle costing makes it possible for the whole life performance of buildings and other structures to be optimized. This paper introduces the concept of life-cycle costing in the Nigerian construction industry. It briefly explains monitoring cost performance over the economic life span, controlling the design development within the capital & running cost budgets and others as its benefits to the industry. Drivers and barriers to its implementation in Nigeria were not left out. Based on extensive literature review this paper shown that the life cycle costing techniques has not been implemented and greatly used in Nigeria. Unstable economic situation, government policy, separation of capital and running cost of most project and others are the barrier facing its implementation. This paper also attempts to provide some recommendations that should facilitate the implementation of LCC in the Nigeria.
Źródło:
World Scientific News; 2016, 58; 148-161
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Evaluation of circulating endothelial cells in the rat after acute and fractionated whole-body gamma irradiation
Autorzy:
Al-Massarani, G.
Almohamad, K.
Powiązania:
https://bibliotekanauki.pl/articles/971552.pdf
Data publikacji:
2014
Wydawca:
Instytut Chemii i Techniki Jądrowej
Tematy:
whole-body gamma irradiation
acute irradiation
fractionated irradiation
biomarkers
circulating endothelial cells
endothelial damage
Opis:
Purpose: Damage to vascular endothelial cells is a well recognised complication of the irradiation. Our objective was to determine the gamma-irradiation effect on the rat circulating endothelial cells (CEC). Material and methods: Eight-week old rats were divided into four groups: group 1 – rats were exposed to acute whole-body gamma irradiation with a wide range of single doses (0.5, 1, 2, 4 and 8 Gy), group 2 – rats were exposed to fractionated low doses of irradiation (0.1, 0.5 and 1 Gy) every three days for two months, group 3 as group 2, but followed by two months of rest, group 4 were control animals. CEC (CD146 positive cells) in group 1 were counted following CD146-based immuno-magnetic separation after one day and one week, as well as at the end of experiment in the other groups. Results: Quantifi ed CEC showed that there was a dose-dependent reduction in CEC count in group 1 (one week after irradiation) and group 2. A partial re-population of CEC was observed at the end of experiment in both group 1 and group 2 compared to control group. Group 3 showed a signifi cant increase in CEC levels as compared with group 2 without reaching the control level. Conclusion: The number of CEC (CD146 positive cells) in rats exposed to whole-body gamma irradiation was reduced in a dose-dependent manner and it partly recovered during the two-month interval after irradiation. We suggest that CEC count may be an indicator of the radiation-induced vascular damage.
Źródło:
Nukleonika; 2014, 59, 4; 145-151
0029-5922
1508-5791
Pojawia się w:
Nukleonika
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Śmierć mózgowa - kontrowersje i uzgodnienia
Brain Death: Controversies and Agreements
Autorzy:
Alichniewicz, Anna
Powiązania:
https://bibliotekanauki.pl/articles/1621852.pdf
Data publikacji:
2018
Wydawca:
Uniwersytet Szczeciński. Wydawnictwo Naukowe Uniwersytetu Szczecińskiego
Tematy:
Death of the organism as a whole
death of a person
brain death
total brain failure
Śmierć organizmu jako całości
śmierć osoby
śmierć mózgowa
całkowita niewydolność mózgu
Opis:
Śmierć człowieka jest wyzwaniem zarówno dla analiz filozoficznych, jak i nauki oraz praktyki medycyny ze względu na napięcie między diagnozą śmierci organizmu jako całości a stwierdzeniem zgonu osoby. W artykule podejmuję próbę przyjrzenia się głównym kontrowersjom, a także uzgodnieniom natury ontologicznej i epistemologiczno-medycznej, składającym się na ewolucję definicji śmierci mózgowej.
Human death is challenging from both philosophical and medical points of view, because of an apparent ontological discrepancy between the diagnosis of death of the organism as a whole and the declaration of death of a human person. In my paper I make an attempt to analyze the main controversies as well as agreements concerning ontological and medico-epistemological problems that have created the evolution of the definition of brain death, arguing that: 1. It is impossible to define death; 2. What functions as the definition of death is rather a set of criteria of death than a definition in a proper sense; 3. The debate concerning so-called definition of death refers not to death as such, universally conceptualized, but to a specific problem of death of a human being; 4. Analyzing the problem of human death it is impossible to make a clear distinction between biological and philosophical dimensions.
Źródło:
Analiza i Egzystencja; 2018, 42; 131-144
1734-9923
2300-7621
Pojawia się w:
Analiza i Egzystencja
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Paralellism with common word and non-common word in Azerbaijani proverbs and sayings
Autorzy:
Alizade, Gunel I.
Powiązania:
https://bibliotekanauki.pl/articles/51458792.pdf
Data publikacji:
2024-06-30
Wydawca:
Wydawnictwo Adam Marszałek
Tematy:
proverbs
parallelism
common
non-common
complex syntactic whole
language
linguistics
Opis:
As a result of many years of observation and testing, proverbs are a collection of words that have been shaped into a certain pattern, reflecting the causes of natural and social phenomena. Proverbs and sayings, as short, laconic means of speech, reveal the origin of events and have a reminiscent feature. In Azerbaijani language, proverbs related to then national customs and beliefs explain certain truths to the younger generations and call them to the right path. The article talks about proverbs as complex syntactic whole, parallelisms with common words and non-common words in Azerbaijani proverbs. Parallel conjunctions play an important role in proverbs and sayings. Although these valuable sayings are short and concise, consisting of several sentence members, the syntactic constructions in them can be attributed to different types of syntactic parallels. These parallels are of great importance in the formation of proverbs by connecting the components of the text with each other.
Źródło:
Krakowskie Studia Małopolskie; 2024, 2(42); 120-131
1643-6911
Pojawia się w:
Krakowskie Studia Małopolskie
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The relationship between the alkaline phosphatase network and the haematopoiesis in mice subjected to whole-body irradiation
Autorzy:
Almohamad, K. M.
Alsheikh, F. M.
Powiązania:
https://bibliotekanauki.pl/articles/971516.pdf
Data publikacji:
2014
Wydawca:
Instytut Chemii i Techniki Jądrowej
Tematy:
haematopoiesis
whole-body irradiation
alkaline phosphatase (ALP) network
Levamisole
Lisinopril
Opis:
To investigate the relationship between the alkaline phosphatase (ALP) network of the marrow stroma and the haematopoietic regeneration after mice whole-body irradiation. Materials and methods: Three groups of mice were irradiated with a non-lethal ionising radiation dose: the fi rst one received an intraperitoneal injection of Levamisole, ALP inhibitor, 24 h before irradiation; the second one received an intraperitoneal injection of Lisinopril, haematopoiesis inhibitor, 24 h before irradiation; the third was left untreated, but irradiated. The fourth group, untreated and not irradiated, was the control. The total surface occupied by ALP positive processes, revealed by means of ALP cytochemistry in the marrow area, was evaluated semi-quantitively. Nucleated bone marrow cells were also counted. Results: ALP network began to increase 24 h after irradiation to reach a maximum after 72 h, when the bone marrow was almost become completely empty of the haematopoietic cells. This increase advances the haematopoietic recovery. This process was substantially delayed when the mice were injected with Levamisole 24 h before irradiation. On the contrary, ALP network increased strongly since the fi rst day after irradiation when the mice were injected with Lisinopril 24 h before irradiation. Conclusions: These data have indicated that the haematopoietic recovery and repopulation of the bone marrow were advanced by the ALP network recovery.
Źródło:
Nukleonika; 2014, 59, 3; 105-110
0029-5922
1508-5791
Pojawia się w:
Nukleonika
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A Design of Experiments for Statistically Predicting Risk of Adverse Health Effects on Drivers Exposed to Vertical Vibrations
Autorzy:
Ayari, H.
Thomas, M.
Dore, S.
Powiązania:
https://bibliotekanauki.pl/articles/90147.pdf
Data publikacji:
2011
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
adverse health effect
whole-body vibration
spinal loading
finite element analysis
ageing
design of experiments
Opis:
An injury risk factor (IRF), which indicates the risk of adverse health effect to lumbar rachis arising from mechanical vibrations, is developed. Experiments have been conducted that consider acceleration levels at the seat of drivers, posture, morphology, density, damping rate and body mass as independent variables. A parametric finite-element model of the lumbar rachis has been generated. It is shown that the IRF increases with ageing and an IRF of 30% is proposed as a threshold for fatigue purposes. This level is reached if a peak acceleration level greater than 3 m/s2 is applied to a light (55 kg) and an old driver with a low bone density and a damping rate of 20%. This vibration threshold must be reduced to 2.7 m/s2 if the driverʼs weight increases to 75 kg and to 2 m/s2 if the driver is heavy (98 kg).
Źródło:
International Journal of Occupational Safety and Ergonomics; 2011, 17, 3; 221-232
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Digit Cards – Creative Activity in Whole Tens
Karty cyfrowe – twórcza aktywność w całych dziesiątkach
Autorzy:
Bassan-Cincinatus, Ronit
Patkin, Dorit
Powiązania:
https://bibliotekanauki.pl/articles/1811065.pdf
Data publikacji:
2019
Wydawca:
Katolicki Uniwersytet Lubelski Jana Pawła II. Towarzystwo Naukowe KUL
Tematy:
całe dziesiątki
całe setki
dodatek
najmniejsza suma
cyfry
whole tens
whole hundreds
addition
smallest sum
digit cards
Opis:
Niektórzy ludzie rozwiązują to samo zadanie na różne „indywidualne” sposoby. Działanie „Aktywność twórcza w całych dziesiątkach” angażuje się w ukierunkowane zadanie eksploracji dodania dwóch liczb, których suma wynosi w całości dziesiątki. Obejmuje: tabelę mnożenia, tabelę setek i tabelę tysięcy. Systematyczne zapisywanie ćwiczeń, liczb, których suma jest w całych dziesiątkach, a rozwiązanie na różne sposoby. Zadania przeznaczone dla 1-szych równiarków i oparte na zasadzie używania „cyfrowych kart”, na których oznaczono cyfry 0 – 9, koncentrują się na dodanych liczbach za pomocą cyfrowych kart, tworzą dwie liczby tak, że ich suma jest w całych dziesiątkach. Wkład: wykonanie „skutecznych” ustnych obliczeń, oszacowań i przybliżeń, uzyskanie poczucia rzędu wielkości i miejsca w systemie liczb, badanie różnych metod rozwiązania, dekomponowanie liczby na komponenty i łączenie liczb, wyciąganie wniosków i zwiększanie wglądów matematycznych.
Some people solve the same assignment in different ‘individual’ ways. The activity “Creative activity in whole tens” engages in a directed assignment of exploring the addition of two numbers whose sum is in whole tens. It includes: a table of multiplication, a table of hundreds and a table of thousands. A systematic recording of exercises, figures whose sum is in whole tens, and solution in different ways. The assignments were designed for 1st to 6th graders and based on the principle of using “digit cards” labelled from 0 – 9 and focused on added numbers using digit cards, form two numbers so that their sum is in whole tens. The contribution is manifold: performing “effective” oral calculations, estimations and approximations; promoting awareness of the order, sequence and place of numbers; examining a variety of the solution methods; decomposing a number into components and combining figures; drawing conclusions and enhancing mathematical insights.
Źródło:
Roczniki Pedagogiczne; 2019, 11(47), 2; 119-131
2080-850X
Pojawia się w:
Roczniki Pedagogiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of whole body vibration in energy expenditure and perceived exertion during intense squat exercise
Autorzy:
Bertucci, W.
Arfaoui, A.
Duc, S.
Letellier, Th.
Brikci, A.
Powiązania:
https://bibliotekanauki.pl/articles/306283.pdf
Data publikacji:
2015
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
trening wibracyjny
energia
wysiłek
whole body vibration
energy expended
intense squat exercise
rating of perceived exertion
Opis:
Purpose: The purpose of this study was to investigate the effect of whole body vibration in oxygen uptake during intense squatting exercise with an added weight and whole body vibration compared with the same exercise without vibration. Methods: Nine male subjects performed three trials of dynamic squatting with an additional load of 50% of their body weight during 3 min. One trial without vibration, one trial with the frequency of 40 Hz and amplitude of 2 mm and one trial with the frequency of 40 Hz and amplitude of 4 mm. Results: The results showed no difference between the three experimental trials in relative and absolute oxygen uptake. However, the metabolic power and energy expended in whole body vibration (2 mm) were significantly different from exercise without vibration. The data analysis also showed a significant difference in rating of perceived exertion with whole body vibration (4 mm) compared with the exercise without vibration. Results showed that the addition of vibration stimulus has an increase in the energy expenditure particularly with 40 Hz and 2 mm amplitude, suggesting that the high metabolic power during heavy resistance training could be increased by the addition of vibration stimulation. Conclusions: Involuntary contractions generated by the vibration can be used by coaches to increase the intensity of heavy resistance training or to increase the energy expended during the workouts if the goal is a decrease of body mass.
Źródło:
Acta of Bioengineering and Biomechanics; 2015, 17, 1; 87-93
1509-409X
2450-6303
Pojawia się w:
Acta of Bioengineering and Biomechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Biotransformacje z udziałem genetycznie modyfikowanych drożdży Saccharomyces cerevisiae
Biotransformations with genetically modified bakers yeast Saccharomyces cerevisiae
Autorzy:
Białecka-Florjańczyk, E.
Zamojska, W.
Kapturowska, A.
Powiązania:
https://bibliotekanauki.pl/articles/171849.pdf
Data publikacji:
2011
Wydawca:
Polskie Towarzystwo Chemiczne
Tematy:
Saccharomyces cerevisiae
biotransformacja
biokatalizatoy komórkowy
inżynieria genetyczna
biotransformations
whole-cell biocatalysts
genetic engineering
Opis:
Baker’s yeast Saccharomyces cerevisiae is quite commonly applied as a wholecell biocatalysts in biotransformations – reactions based on enzymatic transformations of chemical compounds. Yeast cells are easy in cultivation and use. They are usually used to catalyze such reactions as bioreduction or hydrolysis. The full sequencing of its genome accompanied with achievements of genetic engineering allowed to design new yeast strains characterized by high conversion yield and reaction selectivity. Genetically modified cells of Saccharomyces cerevisiae catalyze biotransformations, which lead to chiral building blocks important in pharmaceutical industry (especially those obtained by reduction of á- and â -oxoesters). „Designer yeast” is a new catalyst for Baeyer–Villiger oxidation. Recombinant yeast lipases have been discussed as useful means in biodiesel production because the microbiological method of producing of this kind of fuel has many advantages. There is a growing interest in application of modified yeast in biotransformation reactions. Modern directions to improve catalytic abilities of baker’s yeast include: the use of surface display technology of enzymes, optimization or increase in availability of cofactor required for bioreduction reactions or gene knock-out, which eliminates the activity of enzymes with conflicting and unwanted stereoselectivities. Commonly used technique is also overexpression of the desired protein or expression of heterologous enzymes in yeast cells.
Źródło:
Wiadomości Chemiczne; 2011, 65, 1-2; 93-110
0043-5104
2300-0295
Pojawia się w:
Wiadomości Chemiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Brat – ojciec – matka. Specyfika braterstwa minoryckiego
Autorzy:
Block, Wiesław
Powiązania:
https://bibliotekanauki.pl/articles/571455.pdf
Data publikacji:
2014
Wydawca:
Uniwersytet Papieski Jana Pawła II w Krakowie
Tematy:
Minorite brotherhood
brother – father – mother
the whole creation
braterstwo minoryckie
brat – ojciec – matka
całe stworzenie
Opis:
The primary objective of this work is to offer a brief and orderly reflection on the way Francis of Assisi kept up fraternal life in the nascent Minorite brotherhood and on how he presents his experience of it. Although in his writings one does not come across a complete and systematic discussion on the life in the brotherhood, one can certainly find in them clear notions for identifying the particular type of evangelical life Francis envisioned. The idea of Minorite brotherhood is not limited to the community of the Friars Minor only but also extends to the whole creation, though for the most part he focuses on the relationship that has the scope of uniting the brothers from the four corners of the earth into a fellowship following in the footsteps of the poor and humble Jesus Christ. Structurally, the work is divided into two parts, the first of which describes the maturation of Francis’ attitude of being a brother (awareness of being a “brother” to entire humankind), while the second dwells upon the figure of mother, which is the prototype of fraternal relationships, according to the mind of Francis.
Źródło:
Polonia Sacra; 2014, 18, 1
1428-5673
Pojawia się w:
Polonia Sacra
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wpływ całorocznego utrzymania matek merynosowych w półotwartych pomieszczeniach na ich produkcyjność
Vlijanie kruglogodovogo soderzhanija merynosovykh ovcematok v poluotkrytykh pomeshhenijakh na ikh produktivnost
Effect of the whole-year maintenance of Merino ewes in half-open rooms on their performance
Autorzy:
Borys, B.
Dulewicz, R.
Osikowski, M.A.
Powiązania:
https://bibliotekanauki.pl/articles/808349.pdf
Data publikacji:
1988
Wydawca:
Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
Tematy:
hodowla zwierzat
owce
owca merynos
matki
produkcyjnosc zwierzat
zywienie zwierzat
utrzymanie zwierzat
pomieszczenia inwentarskie
hodowla polotwarta
warunki utrzymania zwierzat
animal breeding
sheep
Polish Merino breed
mother
animal productivity
animal feeding
whole-year maintenance
ewe
half-open room
animal performance
animal maintenance condition
Opis:
Проводились наблюдения по продуктивности 98 овцематок польского мериноса в зависимости от условий содержания - под навесом (Z) или в овчарне подстилочного типа (О), а также от срока случки и стрижки группа О - случка 1-15 декабря, стрижка - сентябрь, группа Z соответственно 16 декабря - 31 января и апрель. В проведенном опыте не установлено существенного влияния условий содержания на вес тела и показатели репродуктивной способности овцематок, кроме некоторого снижения веса тела ягнят после отъема в пересчете на 1 покрытую овцематку; в группе Z на 0-9,9% ниже чем в группе О. Содержание под невесом влияло благоприятно на шерстную продуктивность овцематок - рандеман повысился на 5,0 процентных единиц, а масса чистого волокна на 9,8%. Заметно лучшие результаты по отношению к продуктивности были получены, независимо от вида помещения, при более поздних сроках случки и весенней стрижке, в первую очередь по отношению к оплодотаоримости (на 10 процентных единиц выше), весу тела ягнят после родов (на 10.5%), веса отъемышей в пересчете на 1 покрытую овцематку (на 16,7%), а также к количеству и качеству шерсти - продукция чистого волокна на 13,6%, рандеман на 3,1 процентных единиц, длина волокна на 9,3%, а толщина на 14,7% выше.
Observations on performance of 98 Merino ewes depending on the maintenance conditions: under roof (Z), in the littered sheepyard (O) as well as on the mating and shearing date - group 1: mating December 1-15, shearing September; group 2: December 16-January 31 and April, respectively, were performed. No stronger effect of the maintenance conditions on the body weight and reproductive utilization indices of the ewes was proved, except for a certain decrease of the body weight of weaned lambs in conversion to 1 mated mother-ewe, whereas in Z group the body weight of the former was by 9.9% lower than in O group. The maintenance under roof affected favourably the wool performance of ewes, leading to a growth of the rendement by 5.0 percentual units and of the pure wool mass by 9.8%. Distinctly better production results, irrespective of the accomodation kind, were reached at later mating date and spring shearing - mainly with regard to the fecundity (by 10 percentual units higher), body weight of lambs after birth (10.5%), weight of weaned lambs in conversion to 1 mated mother-ewe (by 16.7%) as well as the amount and quality of wool - pure wool production by 13.8%, rendement by 3.1 percentual units, fibre length by 9.3% and fibre thickness by 14.7% higher.
Źródło:
Zeszyty Problemowe Postępów Nauk Rolniczych; 1988, 352
0084-5477
Pojawia się w:
Zeszyty Problemowe Postępów Nauk Rolniczych
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Optimizing the Protection Against the Physiological Burden of CBRN Clothing
Autorzy:
Brasser, P.
Powiązania:
https://bibliotekanauki.pl/articles/90890.pdf
Data publikacji:
2010
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
protective clothing
protection
CBRN
physiological burden
NBC
temperature relative
humidity
vapour
air velocity
deposition
model
breakthrough permeable
whole
system
cylinder
optimize
mission specific
Opis:
Soldiers can wear chemical, biological, radiological and nuclear (CBRN) protective clothing to be protected agaist warfare agents. The disadvantage of that clothing is that higher protection introduces higher physiological burden. Therefore an optimum between comfort and protection must be found. Models of all relevant processes were created to find this optimum. The airflow profile around a cylinder with clothing—representing a dressed human body part—was modelled. This flow profile was used for calculating the agent vapour breakthrough through the clothing and for calculating the deposition of agents onto the skin (as indicators for protection). The flow profile was also used for calculating the temperature profile around the body part and the relative humidity underneath and in the clothing (as representative for physiological burden). As a result a tool was created, which can be used to identify the optimum properties of CBRN protective clothing, depending on the intended mission of the soldiers.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2010, 16, 2; 153-168
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Musculoskeletal symptoms and exposure to whole-body vibration among open-pit mine workers in the Arctic
Autorzy:
Burström, Lage
Aminoff, Anna
Björ, Bodil
Mänttäri, Satu
Nilsson, Tohr
Pettersson, Hans
Rintamäki, Hannu
Rödin, Ingemar
Shilov, Victor
Talykova, Ljudmila
Vaktskjold, Arild
Wahlström, Jens
Powiązania:
https://bibliotekanauki.pl/articles/2161904.pdf
Data publikacji:
2017-06-19
Wydawca:
Instytut Medycyny Pracy im. prof. dra Jerzego Nofera w Łodzi
Tematy:
questionnaire
mining
vibration
MSD
whole-body
Barents
Opis:
Objectives This cross-sectional questionnaire study was carried out at 4 open-pit mines in Finland, Norway, Russia and Sweden as part of the MineHealth project. The aim has been to compare the prevalence of musculoskeletal symptoms between drivers of mining vehicles and non-drivers. Material and Methods The mine workers were asked whether they had suffered from any musculoskeletal symptoms during the previous 12 months in specified body regions, and to grade the severity of these symptoms during the past month. They were also asked about their daily driving of mining vehicles. Results The questionnaire was completed by 1323 workers (757 vehicle drivers) and the reported prevalence and severity of symptoms were highest for the lower back, followed by pain in the neck, shoulder and upper back. Drivers in the Nordic mines reported fewer symptoms than non-drivers, while for Russian mine workers the results were the opposite of that. The daily driving of mining vehicles had no significant association with the risk of symptoms. Female drivers indicated a higher prevalence of symptoms as compared to male drivers. Conclusions The study provided only weak support for the hypothesis that drivers of vehicles reported a higher prevalence of musculoskeletal symptoms than non-vehicle drivers. There were marked differences in the prevalence of symptoms among workers in various enterprises, even though the nature of the job tasks was similar. Int J Occup Med Environ Health 2017;30(4):553–564
Źródło:
International Journal of Occupational Medicine and Environmental Health; 2017, 30, 4; 553-564
1232-1087
1896-494X
Pojawia się w:
International Journal of Occupational Medicine and Environmental Health
Dostawca treści:
Biblioteka Nauki
Artykuł
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