Darmstadt, Techn. University, Diss., 2001.

University, Diss., 2002--Kassel. / Lizenzpflichtig.

<p>Three studies were conducted to evaluate the nutritional value of different oat (Avena sativa) forage cultivars (Assiniboia, Bell and Baler) that were newly emerged cultivars as a result of extensive oat growing conditions in western Canada. A total tract digestibility trial using 24 sheep (n=6) in a completely random design was conducted to assess apparent digestibility of dry matter (DM), organic matter (OM), crude protein (CP), crude fat (EE), acid detergent fiber (ADF), neutral detergent fiber (NDF), hemicellulose, non-structural carbohydrate, acid detergent lignin (ADL), soluble crude protein (SCP), non-protein nitrogen (NPN) and neutral detergent insoluble crude protein (NDICP) in Assiniboia silage, Bell hay, Baler hay and Rosser (barley- Hordeum vulgare) silage. Rumen in situ degradability characteristics of DM, OM, CP, ADF and NDF were determined on Assiniboia silage, Bell hay, Baler hay and Rosser silage at 96 to 0 h using a Holstein cow fitted with a rumen fistula. A dairy production trial using 8 multiparous Holstein cows at 90±20 DIM averaging 41 kg d-1 milk yield, in a 2 × 3 switch-back design was conducted to compare the production response of the cows fed either 48 percent Assiniboia silage or Rosser silage (DM basis) in total mixed rations with the concentrate portion consisting mainly of rolled barley, canola meal and soy meal.</p> <p>Digestibility of DM, OM, NDF, NPN, NDICP and EE were not different for Assiniboia and Rosser silages. Digestibility of DM, NDF and ADF were similar for Baler hay and Rosser silage. Digestibility of hemicellulose, NSC and ADL were similar for all forages. Sheep voluntary intakes of DM, OM, NDF, ADF and EE, except CP were similar across the forages. Assiniboia silage provided more nutrients to the rumen than the hays due to the higher rumen disappearance and effective degradabilities of DM and CP, and lesser undegradable DM, CP, NDF and ADF (P<0.05). Estimated carbohydrate and protein fractions of Assiniboia and Rosser silages were similar. Assiniboia silage was typically comparable to Rosser silage whereas Baler hay was compatible to Bell hay which in contrast was chemically inferior to Baler hay in NDF and TDN content. An increase (8%, P<0.05) in milk fat percentage was observed in cows fed the Assiniboia diet. Milk protein and lactose percentages, and protein yield were higher (P<0.05) in the cows fed the Rosser diet. However, 3.5% fat corrected milk yields were similar. Milk fatty acids (FA) when Assiniboia diet was fed, showed a remarkable increase (P<0.05) in oleate percentage and yield while the others were not different. The increase in oleate content resulted in an increase (P<0.05) in unsaturated FA to saturated FA ratio. Therefore Assiniboia silage would be useful to increase unsaturated long chain milk fat content. It is concluded that Assiniboia silage could substitute for Rosser silage in dairy rations.</p>

<p>Three studies were conducted to evaluate the nutritional value of different oat (Avena sativa) forage cultivars (Assiniboia, Bell and Baler) that were newly emerged cultivars as a result of extensive oat growing conditions in western Canada. A total tract digestibility trial using 24 sheep (n=6) in a completely random design was conducted to assess apparent digestibility of dry matter (DM), organic matter (OM), crude protein (CP), crude fat (EE), acid detergent fiber (ADF), neutral detergent fiber (NDF), hemicellulose, non-structural carbohydrate, acid detergent lignin (ADL), soluble crude protein (SCP), non-protein nitrogen (NPN) and neutral detergent insoluble crude protein (NDICP) in Assiniboia silage, Bell hay, Baler hay and Rosser (barley- Hordeum vulgare) silage. Rumen in situ degradability characteristics of DM, OM, CP, ADF and NDF were determined on Assiniboia silage, Bell hay, Baler hay and Rosser silage at 96 to 0 h using a Holstein cow fitted with a rumen fistula. A dairy production trial using 8 multiparous Holstein cows at 90±20 DIM averaging 41 kg d-1 milk yield, in a 2 × 3 switch-back design was conducted to compare the production response of the cows fed either 48 percent Assiniboia silage or Rosser silage (DM basis) in total mixed rations with the concentrate portion consisting mainly of rolled barley, canola meal and soy meal.</p> <p>Digestibility of DM, OM, NDF, NPN, NDICP and EE were not different for Assiniboia and Rosser silages. Digestibility of DM, NDF and ADF were similar for Baler hay and Rosser silage. Digestibility of hemicellulose, NSC and ADL were similar for all forages. Sheep voluntary intakes of DM, OM, NDF, ADF and EE, except CP were similar across the forages. Assiniboia silage provided more nutrients to the rumen than the hays due to the higher rumen disappearance and effective degradabilities of DM and CP, and lesser undegradable DM, CP, NDF and ADF (P<0.05). Estimated carbohydrate and protein fractions of Assiniboia and Rosser silages were similar. Assiniboia silage was typically comparable to Rosser silage whereas Baler hay was compatible to Bell hay which in contrast was chemically inferior to Baler hay in NDF and TDN content. An increase (8%, P<0.05) in milk fat percentage was observed in cows fed the Assiniboia diet. Milk protein and lactose percentages, and protein yield were higher (P<0.05) in the cows fed the Rosser diet. However, 3.5% fat corrected milk yields were similar. Milk fatty acids (FA) when Assiniboia diet was fed, showed a remarkable increase (P<0.05) in oleate percentage and yield while the others were not different. The increase in oleate content resulted in an increase (P<0.05) in unsaturated FA to saturated FA ratio. Therefore Assiniboia silage would be useful to increase unsaturated long chain milk fat content. It is concluded that Assiniboia silage could substitute for Rosser silage in dairy rations.</p>

No description available.

This thesis shows that Gram's Law and the Rosser Rule (methods for locating zeroes of the Riemann zeta-function) fail in a positive proportion of cases. A weaker version of Gram's Law is shown to be true in a positive proportion of cases. Also included are theorems on Turing's Method and its extensions to Dirichlet L-functions and Dedekind zeta-functions.

The aim of this work is to use contemporary notation to build theory of Rosser logic, explain in detail its relation to Peano arithmetic, show its Kripke semantics and finally using plural self-reference show the proof of arithmetical completeness. In the last chapter we show some of the properties of Rosser sentences. Powered by TCPDF (www.tcpdf.org)

.

Dans cette thèse, on s'intéresse aux plus grands facteur premiers d'entiers consécutifs. Désignons par $P^+(n)$ (resp. $P^-(n)$) le plus grand (resp. plus petit) facteur premier d'un entier générique $n\geq 1$ avec la convention que $P^+(1)=1$ (resp. $P^-(1)=\infty$). Dans le premier chapitre, nous étudions les plus grands facteurs premiers d'entiers consécutifs dans les petits intervalles. Nous démontrons qu'il existe une proportion positive d'entiers $n$ tels que $P^+(n)<P^+(n+1)$ pour $n\in\, ]x,\, x+y]$ avec $y=x^{\theta}, \tfrac{7}{12}<\theta\leq 1$. Nous obtenons un résultat similaire pour la condition $P^+(n)>P^+(n+1)$. Dans le deuxième chapitre, nous nous intéressons à la fonction $P_y^+(n)$, où $P_y^+(n)=\max\{p|n:\, p\leq y\}$ et $2\leq y\leq x.$ Nous montrons qu'il existe une proportion positive d'entiers $n$ tels que $P_y^+(n)<P_y^+(n+1)$. En particulier, la proportion d'entiers $n$ avec $P^+(n)<P^+(n+1)$ est plus grande que $0,1356$ en prenant $y=x.$ Les outils principaux sont le crible et un système de poids bien adapté. Dans le troisième chapitre, nous démontrons que les deux configurations $P^+(n-1)>P^+(n)<P^+(n+1)$ et $P^+(n-1)<P^+(n)>P^+(n+1)$ ont lieu pour une proportion positive d'entiers $n$, en utilisant le système de poids bien adapté que l'on a introduit dans le Chapitre 2. De façon similaire, on peut obtenir un résultat plus général pour $k$ entiers consécutifs, $k\in \mathbb{Z}, k\geq3$. Dans le quatrième chapitre, on étudie les plus grands facteurs premiers d'entiers consécutifs voisins d'un entier criblé. Sous la conjecture d'Elliott-Halberstam, nous montrons d'abord que la proportion de la configuration $P^+(p-1)<P^+(p+1)$ est plus grande que $0,1779$. Puis, nous démontrons qu'il existe une proportion positive d'entiers $n$ tels que $P^+(n)<P^+(n+2), P^-(n)>x^{\beta}$ avec $0<\beta<\frac{1}{3}$ / In this thesis, we study the largest prime factors of consecutive integers. Denote by $P^+(n)$ (resp. $P^-(n)$) the largest (resp. the smallest) prime factors of the integer $n\geq 1$ with the convention $P^+(1)=1$ (resp. $P^-(1)=\infty$). In the first chapter, we consider the largest prime factors of consecutive integers in short intervals. We prove that there exists a positive proportion of integers $n$ for $n\in\, (x,\, x+y]$ with $y=x^{\theta}, \tfrac{7}{12}<\theta\leq 1$ such that $P^+(n)<P^+(n+1)$. A similar result holds for the condition $P^+(n)>P^+(n+1)$. In the second chapter, we consider the function $P_y^+(n)$, where $P_y^+(n)=\max\{p|n:\, p\leq y\}$ and $2\leq y\leq x$. We prove that there exists a positive proportion of integers $n$ such that $P_y^+(n)<P_y^+(n+1)$. In particular, the proportion of the pattern $P^+(n)<P^+(n+1)$ is larger than $0.1356$ by taking $y=x.$ The main tools are sieve methods and a well adapted system of weights. In the third chapter, we prove that the two patterns $P^+(n-1)>P^+(n)<P^+(n+1)$ and $P^+(n-1)<P^+(n)>P^+(n+1)$ occur for a positive proportion of integers $n$ respectively, by the well adapted system of weights that we have developed in the second chapter. With the same method, we derive a more general result for $k$ consecutive integers, $k\in \mathbb{Z}, k\geq 3$. In the fourth chapter, we study the largest prime factors of consecutive integers with one of which without small prime factor. Firstly we show that under the Elliott-Halberstam conjecture, the proportion of the pattern $P^+(p-1)<P^+(p+1)$ is larger than $0.1779$. Then, we prove that there exists a positive proportion of integers $n$ such that $P^+(n)<P^+(n+2), P^-(n)>x^{\beta}$ with $0<\beta<\frac{1}{3}$

A fin de diseñar e implementar lenguajes de programación que tengan en cuenta el paradigma borroso modificaremos el lambda cálculo clásico, adjuntando a cada término un grado, y redefiniendo la beta-reducción, obteniendo que para que el nuevo cálculo verifique la propiedad de Church-Rosser la transmisión de los grados debe hacerse por medio de una función que sea una t-norma o s-conorma. Utilizando esta nueva herramienta diseñamos un lenguaje no determinista que satisface los requerimientos de la programación con datos borrosos. / With the aim of designing and implementing programming languages that take into account the fuzzy paradigm we will modify the classical lambda calculus by adding a degree to each term and by redefining the b-reduction. Thus, for the new calculus to verify the Church-Rosser property, the degree computed with can be made through a function that is a t-norm or an s-conorm. With this new tool we design a nondeterminist language that satisfies fuzzy dataprogramming requirements, and an example of its behaviour is shown.