نتایج جستجو برای: row materials

تعداد نتایج: 454420  

Journal: :Acta orthopaedica Belgica 2009
Eduard Buess Bernhard Waibl Roger Vogel Robert Seidner

Cadaveric studies and commercial pressure have initiated a strong trend towards double-row repair in arthroscopic cuff surgery. The objective of this study was to evaluate if the biomechanical advantages of a double-row supraspinatus tendon repair would result in superior clinical outcome and higher abduction strength. A retrospective study of two groups of 32 single-row and 33 double-row repai...

1997
Holger Bartel

Cointegrated VARMA models can be parameterized by using the echelon form, which is characterized by the Kronecker indices. Three diierent methods for estimating the Kronecker indices of cointegrated echelon form VARMA models are discussed and compared. They have the common feature of estimating the individual equations of the system separately and using order selection criteria. The small sampl...

Journal: :Operations Research 2003
Lingxiu Dong Hau L. Lee

Since Clark and Scarf’s pioneering work, most advances in multi-echelon inventory systems have been based on demand processes that are time-independent. This paper revisits the serial multi-echelon inventory system of Clark and Scarf, and develops three key results. First, we provide a simple lower bound approximation to the optimal echelon inventory levels and an upper bound to the total syste...

Journal: :Vestnik of Experimental and Clinical Surgery 2023

Despite the use of modern anti-ulcer therapy, percentage unsatisfactory results after suturing perforated ulcers ranges from 4.8 to 57% [1, 2, 3]. It is necessary search for reasons explaining such significantly different values in long-term treatment outcomes patients with ulcers. Cicatricial changes pylorobulbar area leading a violation motor-evacuation function and, as consequence, ulcer rec...

2013
Abdullahi Umar

The purpose of this paper is to examine the imperativeness of synthesizing disaster related constructs with the traditional variables often studied in innovation adoption. To achieve this, the paper drew on upper echelon theory McEntire’s model. A conceptual model was proposed and relationships were establihed based on literature review. The literature supported the following claims made in the...

2014
Marshall S. Baker Nicholas J. Zyromski

The 48th annual Pancreas Club meeting was held on May 2 and 3, 2014, at the Westin Lombard in Lombard, IL. Two hundred sixty attendees included pancreatologists from 17 countries. Two hundred eleven abstracts were submitted; from these, a record number (64) oral presentations and 136 posters were selected. Table 1 documents oral abstract titles with institutional affiliation. Full abstracts for...

2002
Dean McDonald

Sharply defined veins in :stockworks and siliceous breccia matrix contain metallic mineral assembhges and follow a number of subparallel trends within and marginal to a ] p tassium-feldspar porphyritic dacite. The .porphyritic dacite and metal-bearing veins and breccias exhibit both con-. formable and crosscutting relationships with andesite and dacite country rocks of the Hazelton Group. Vein ...

2007
Uwe Kern

xcolor provides easy driver-independent access to several kinds of colors, tints, shades, tones, and mixes of arbitrary colors by means of color expressions like \color{red!50!green!20!blue}. It allows to select a documentwide target color model and offers tools for automatic color schemes, conversion between twelve color models, alternating table row colors, color blending and masking, color s...

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