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Search Results: 1 - 10 of 1516 matches for " Josef Kamphues "
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Carbon Footprints for Food of Animal Origin: What are the Most Preferable Criteria to Measure Animal Yields?
Gerhard Flachowsky,Josef Kamphues
Animals , 2012, DOI: 10.3390/ani2020108
Abstract: There are increasing efforts to determine the origin of greenhouse gas emissions caused by human activities (including food consumption) and to identify, apply and exploit reduction potentials. Low emissions are generally the result of increased efficiency in resource utilization. Considering climate related factors, the emissions of carbon dioxide, methane and laughing gas are summarized to so-called carbon footprints (CF). The CF for food of animal origin such as milk, eggs, meat and fish depend on a number of influencing factors such as animal species, type of production, feeding of animals, animal performance, system boundaries and outputs of production. Milk and egg yields are more clearly defined animal yields or outcomes of production than food from the carcasses of animals. Possible endpoints of growing/slaughter animals are body weight gain, carcass weight gain (warm or cold), meat, edible fractions or edible protein. The production of edible protein of animal origin may be considered as one of the main objectives of animal husbandry in many countries. On the other hand, the efficiency of various lines of production and the CF per product can also be easily compared on the basis of edible protein. The pros and contras of various outputs of animal production under special consideration of edible protein are discussed in the paper.
Dose-Response Relationship between Dietary Polyphenols from Acorns and Parotid Gland Hypertrophy in Pigs  [PDF]
Maria Grazia Cappai, Petra Wolf, Walter Pinna, Josef Kamphues
Food and Nutrition Sciences (FNS) , 2012, DOI: 10.4236/fns.2012.39166
Abstract: Proline contents of parotid glands (PG) in pigs constantly increase after the inclusion of different amounts of ripe hulled acorns in the diet providing high polyphenols levels. The dose-response relationship was estimated on natural hydrolizable tannins (expressed as tannic acid equivalent TAE) amounts of 25.8 to 36.1 g TAE/kg DM in experimental diets. Macroscopic and histological morphometry of parotid glands greatly varied according to feed intake and dosages of TAE ingested. The PG response (hypertrophy grade) on acorns’ tannins content in the diet was positively correlated (R2 = 0.748): the response to the protein precipitating activity (PPA) of tannins consisted of a functional parotidomegaly (hypertrophy), 1.34 up to 3.55 folds than control PGs, following an oral dosage 0.596 up 1.72 TAE g·kg body weight·d-1 respectively, after one week exposure.
Ombudsmen in Higher Education: Helping the Single Student, Contributing to the Universities’ Institutional Changes  [PDF]
Josef Leidenfrost
Creative Education (CE) , 2013, DOI: 10.4236/ce.2013.47A2002

This article aims to firstly give a brief insight into the major challenges for modern time universities like necessary change management, growing competitiveness, increasing expectations by the stakeholders and how rising tuition fees affect all of that, and secondly on the growing pressure for universities on responding more effectively to a demanding student population, mounting expectations and diverse backgrounds of students, and thirdly how alternative dispute resolution is more and more commonly used as a means of resolving disputes and complaints informally and at an early stage in order to avoid litigation and the courts. It is described how ombudsmen in higher education can help to minimize the students’ feelings of disconnection created by formal and judicial processes and get fair treatment. Catering either for students only or for the whole university community, ombudsmen provide confidential, impartial complaints handling services and also contribute to change management on the macro level and hence help with changing policies.

Peri-Ocular Eye Patterning (POEP): More than Meets the Eye  [PDF]
Noam Josef
Open Journal of Animal Sciences (OJAS) , 2017, DOI: 10.4236/ojas.2017.73027
Abstract: Spatial body patterning is widely observed throughout the phylogenetic tree and is used for a variety of functions. Body colours in general and camouflaging patterns in particular have been extensively studied for their role in stealth and crypsis. Particular interest has focused on the diverse skin patterns surrounding animals’ eyes (Peri-Ocular Eye Patterning-POEP). These patterns have been suggested to aid in high brightness conditions, help camouflage an organism’s eyes or ornament and emphasize bright head colorations. In this work I demonstrate the apparent widespread use of POEP among various marine and terrestrial organisms (both vertebrates and invertebrates) and discuss the trait’s abundance, variations, and possible roles.
Impact of Noise Barriers on Air-Pollution Dispersion  [PDF]
Josef Brechler, Vladimir Fuka
Natural Science (NS) , 2014, DOI: 10.4236/ns.2014.66038

The impact of noise barriers on gaseous air-pollution dispersion was examined using the high-resolution CLMM (Charles University LES (Large Eddy Simulation) Microscale Model). The dispersion of a mixture of nitrogen oxides (denoted as NOx—a mix of NO and NO2) was computed, providing the simulation in which wind direction is approximately perpendicular to the noise barriers. The barriers were assumed to be straight and infinitely long, with a height of 3 m. Dispersion of NOx was modeled for situations with no noise barriers along the highway, barriers on both sides, and for a single barrier on the upwind and downwind sides of the highway. The modelling results are presented and discussed in relation to previous studies and the implications of the results are considered for pollution barriers along highways.

Analysis of Urban Change in Shenzhen City Based on Landsat Archived Data  [PDF]
Tingting Chen, Hermann Josef Kaufmann
Journal of Computer and Communications (JCC) , 2018, DOI: 10.4236/jcc.2018.611014
With the ongoing development of economy and urbanization in China, the change of land use types has attracted more and more attention. In this study we focused on the urban development of Shenzhen City, Guangdong Province, analyzing Landsat 5 TM and Landsat 8 OLI data. We used an SVM based classification, a land transfer matrix approach, a directional growth analysis method and we calculated the inversion of land surface temperature to derive information of land cover changes that occurred in the time period between 1987 and 2017. The results are combined with Shenzhen’s economy, transportation policy and other aspects to find the driving forces of the urban development. The results show that during the observed 30 years, the area of construction land has increased significantly. Most of it is converted from other lands, and some of them are reclaimed. Most rapidly developing are areas west and northwest of the Bao’an, Nanshan and Longhua. The vegetated areas decreased slightly. Caused by the continuous increase of the construction land, the so-called heat island effect emerges slightly but continuously.
Experimental Study on Effects of Litter Material and its Quality on Foot Pad Dermatitis in Growing Turkeys
I.M.I. Youssef,A. Beineke,K. Rohn,J. Kamphues
International Journal of Poultry Science , 2010,
Abstract: Since turkeys are in continuous contact with the litter, the potential effects of bedding materials and their quality are of major concern in the etiology of Foot Pad Dermatitis (FPD). Two week-old female turkeys were allotted to four groups, with 29 in each and housed either on wood shavings, lignocellulose, chopped straw or dried maize silage over a period of four weeks without artificial climatisation. The birds in all groups were fed identical commercial diets. Half of the turkeys in each group were additionally exposed for 8 h/d to corresponding wet (27% DM; by adding water) litter in adjacent separate boxes. Foot pads of the birds were examined macroscopically and histologically at the start and end of the experiment as well as at weekly intervals. Lignocellulose showed the lowest severity of FPD on dry and wet litter treatments, whereas chopped straw was associated with high FPD scores on dry treatment. Foot pad scores were similar on wood shavings and dried maize silage whether dry or wet. The DM content of litter materials was determined and the highest moisture content among dry treatments was observed in straw (about 31%) which was paralleled with FPD severity. The severity of FPD was overall much higher (>2 times) on wet than on dry litter. Exposure of the birds to wet litter for 8 h/d was sufficient to develop FPD. Lignocellulose could reduce the FPD severity, probably due to higher water binding capacity and faster release of water, while straw may increase it due to lower water evaporation. The physical form of litter either soft (lignocellulose) or with sharp edges (chopped straw) may also affect the onset of FPD. The litter moisture appears to be the dominant factor resulting in the development of FPD and should be kept lower than about 30% to minimise the prevalence and severity of FPD in turkeys.
Bounded solutions of nonlinear Cauchy problems
Josef Kreulich
Abstract and Applied Analysis , 2002, DOI: 10.1155/s1085337502208015
Abstract: For a given closed and translation invariant subspace Yof the bounded and uniformly continuous functions, we will give criteria for the existence of solutions u∈Yto the equation u′(t)
Nonuniqueness theorem for a singular Cauchy-Nicoletti problem
Josef Kalas
Abstract and Applied Analysis , 2004, DOI: 10.1155/s1085337504306147
Abstract: The problem of nonuniqueness for a singular Cauchy-Nicolettiboundary value problem is studied. The general nonuniquenesstheorem ensuring the existence of two different solutions is givensuch that the estimating expressions are nonlinear, in general,and depend on suitable Lyapunov functions. The applicability ofresults is illustrated by several examples.
Crisis civilizatoria y Vivir Bien: Una crítica filosófica del modelo capitalista desde el allin kawsay/suma qama?a andino
Polis (Santiago) , 2012, DOI: 10.4067/S0718-65682012000300007
Abstract: the present paper proposes the andean paradigm of the "goodliving" as an alternative to the economical, cultural and social model of a neoliberaland predatory capitalism which is showing serious signals of crisis. these crisesmanifest themselves in the financial, economical, political, axiological andecological fields, so we can talk of a "crisis of civilization". the andean "goodliving" is the expression of a civilization which is opposed in many aspects to thephilosophical and civilizatory paradigm of the occidental world. the contradictionsand tensions between these two models can be appreciated, for example, in theactual process of change in bolivia.
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