نتایج جستجو برای: distribution gld tolerancing percentile matching
تعداد نتایج: 715671 فیلتر نتایج به سال:
Grapevine leafroll disease (GLD) is the most important disease of grapevines, occurring in every grape-growing country (Martelli, 1993). GLD affects grapevines adversely, where it delays the maturation of the berries, decreases the accumulation of sugars and affects the overall yield and quality of the fruit (Over de Linden and Chamberlain, 1970). This negatively impacts on the wine industry, w...
PurposeBody mass index (BMI) is a predictor of mortality in adult heart transplant (HTx) patients. However, the impact BMI pediatric HTx unclear and many programs consider obesity contraindication to transplantation. This study examines effect on patients.MethodsUsing United Network for Organ Sharing database, recipients between ages 2 18 years from 1988-2021 were identified. Patients classifie...
The problem addressed in this paper is the development of a physico-mathematical basis for mechanical tolerances. The lack of such a basis has fostered a decoupling of design (function) and manufacturing. The groundwork for a tolerancing methodology is laid by a model of profile errors, whose components are justified by physical reasoning and estimated using mathematical tools. The methodology ...
A significant amount of research efforts has been given to explore the mathematical basis for 3D dimensional and geometric tolerance representation, analysis, and synthesis. However, engineering semantics is not maintained in these mathematic models. It is hard to interpret calculated numerical results in a meaningful way. In this paper, a new semantic tolerance modeling scheme based on modal i...
In the time since Pareto first documented skewed distributions of incomes and wealth, economists have focused attention on inequality in the distributions of earnings, income, and wealth. However, for a long time economists paid relatively more attention to inequality within generations relative to inequality within families across generations.1 Solon (1999)’s chapter in the Handbook of Labor E...
Motivated by the problem of selecting representative portfolios for backtesting counterparty credit risks, we propose a matching quantiles estimation (MQE) method for matching a target distribution by that of a linear combination of a set of random variables. An iterative procedure based on the ordinary least-squares estimation (OLS) is proposed to compute MQE. MQE can be easily modified by add...
For a local non-Archimedean field K we construct GLd+1(K)equivariant coherent sheaves VOK on the formal OK -scheme X underlying the symmetric space X over K of dimension d. These VOK are OK -lattices in (the sheaf version of) the holomorphic discrete series representations (in Kvector spaces) of GLd+1(K) as defined by P. Schneider. We prove that the cohomology H(X,VOK ) vanishes for t > 0, for ...
Globoid cell leukodystrophy (GLD) is characterized histopathologically by apoptosis of oligodendrocytes, progressive demyelination, and the existence of large, multinuclear (globoid) cells derived from perivascular microglia. The glycosphingolipid, psychosine (d-galactosyl-beta-1,1' sphingosine), accumulates to micromolar levels in GLD patients who lack the degradative enzyme galactosyl ceramid...
The Computer Aided Design (CAD) has been a very important tool for the design and manufacturing in recent years. However, the CAD has often been used as ‘Computer Aided Drafting’ for engineering parts in industry. The ‘design’ part of the CAD is often not very well implemented and by improving on it we can enhance the usefulness of the computer-based component of the manufacturing process. A ty...
Abstract: A significant amount of research efforts has been given to explore the mathematical basis for 3D dimensional and geometric tolerance representation, analysis, and synthesis. However, engineering semantics is not maintained in these mathematic models. It is hard to interpret calculated numerical results in a meaningful way. In this paper, a new semantic tolerance modeling scheme based ...
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