The physiology of plants; a treatise upon the metabolism and sources of energy in plants, by Dr. W. Pfeffer ... 2d fully rev. ed., translated and edited by Alfred J. Ewart.

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The physiology of plants; a treatise upon the metabolism and sources of energy in plants, by Dr. W. Pfeffer ... 2d fully rev. ed., translated and edited by Alfred J. Ewart.

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The physiology of plants; a treatise upon the metabolism and sources of energy in plants, by Dr. W. Pfeffer ... 2d fully rev. ed., translated and edited by Alfred J. Ewart.

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Comparação entre a ecocardiografia 2D e 3D na avaliação do remodelamento reverso após a TRC

FUNDAMENTO: A ecocardiografia consiste em método muito útil para seleção e avaliação de resposta à terapia de ressincronização cardíaca (TRC). O eco 3D já tem seu papel estabelecido na avaliação dos volumes ventriculares e fração de ejeção ventricular esquerda (FEVE) com excelente correlação de resultados quando comparado à RNM. OBJETIVO: Comparar a avaliação dos volumes ventriculares (VDVE, VSVE), FEVE e massa do VE antes e após a TRC pela ecocardiografia bi (Eco 2D) e tridimensional (Eco 3D). MÉTODOS: Foram avaliados 24 pacientes com IC CFIII ou IV (NYHA), ritmo sinusal QRS > 150 ms, em vigência de terapêutica otimizada para IC submetidos a TRC. Foram realizados eletrocardiograma (ECG), avaliação clínica, Eco 2D e 3D antes, três e seis meses após a TRC. A comparação entre as técnicas foi realizada utilizando-se a correlação de Pearson (r). RESULTADOS: No momento basal, a correlação entre os métodos foi de 0,96 para avaliação do VDVE, 0,95 para avaliação do VSVE, 0,87 para FEVE, e 0,72 para massa do VE. Após três meses da TRC, a correlação entre os métodos para análise do VDVE foi de 0,96, 0,95 para VSVE, 0,95 para FEVE, e 0,77 para massa do VE. Após seis meses da TRC, a correlação entre o Eco 2D e 3D para análise do VDVE foi de 0,98, 0,91 para VSVE, 0,96 para FEVE, e 0,85 para massa do VE. CONCLUSÃO: Neste estudo foi observada redução dos VDVE,VSVE, além de melhora da FEVE após a TRC. Houve excelente correlação entre o Eco 2D e o 3D para avaliação dos volumes ventriculares e FEVE, e boa correlação entre os métodos para avaliação da massa ventricular esquerda antes e após a TRC.

Representations of lattice point sets : theory, algorithms, applications

Magdeburg, Univ., Fak. für Mathematik, Habil.-Schr., 2006

Extraction of topological structures in 2D and 3D vector fields

feature extraction, feature tracking, vector field visualization

Methodological Gaps in Left Atrial Function Assessment by 2D Speckle Tracking Echocardiography

Abstract The assessment of left atrial (LA) function is used in various cardiovascular diseases. LA plays a complementary role in cardiac performance by modulating left ventricular (LV) function. Transthoracic two-dimensional (2D) phasic volumes and Doppler echocardiography can measure LA function non‑invasively. However, evaluation of LA deformation derived from 2D speckle tracking echocardiography (STE) is a new feasible and promising approach for assessment of LA mechanics. These parameters are able to detect subclinical LA dysfunction in different pathological condition. Normal ranges for LA deformation and cut-off values to diagnose LA dysfunction with different diseases have been reported, but data are still conflicting, probably because of some methodological and technical issues. This review highlights the importance of an unique standardized technique to assess the LA phasic functions by STE, and discusses recent studies on the most important clinical applications of this technique.

Lattice point inequalities and face numbers of polytopes in view of central symmetry

Magdeburg, Univ., Fak. für Mathematik, Diss., 2012

Experiments in square lattice with a common treatment in all blocks

This paper deals with a generalization of square lattice designs, with k² treatments in blocks of k + 1 plots, the extra plot in each block receiving a standard treatment, the same for all blocks. The new design leads to lower variances for contrasts between adjusted treatment means

Conference on the Matter of Pollution of the Navigable Waters of Puget Sound, the Strait of Juan de Fuca and Their Tributaries and Estuaries. 2d, Seattle, Sept. 6-7, and Oct. 6, 1967: Proceedings.

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Conference on the Matter of Pollution of the Navigable Waters of Puget Sound, the Strait of Juan de Fuca and Their Tributaries and Estuaries. 2d, Seattle, Sept. 6-7, and Oct. 6, 1967: Proceedings.

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Conference on the Matter of Pollution of the Navigable Waters of Puget Sound, the Strait of Juan de Fuca and Their Tributaries and Estuaries. 2d, Seattle, Sept. 6-7, and Oct. 6, 1967: Proceedings.

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The existence of periodic solutions of a two dimensional Lattice

We consider a two dimensional lattice coupled with nearest neighbor interaction potential of power type. The existence of infinite many periodic solutions is shown by using minimax methods.