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1579 documents, page 1 of 158

Comparative Efficiency of Farm Tenure Classes in the

Miller, Walter G. (1959)
The extent to which the tenure status of farm operators affects agricultural e ffciency has interested economists for decades. Different theories dealing with the subject have evolved; but only a few empirical studies have been made to test their validity. This deficiency in agricultural economics research arises, at least partly, from the need for techniques and procedures that will deal adequately with the problems involved. One purpose of the study on which this report is based was to expl...

Book Reviews

Anonymous (1959)
Books Reviewed: "A Survey of Marketing Research: Organization, Functions, Budget, Compensation"; "Planning of Experiments"; "Econometric Analysis for Public Policy"; "Introduction to Agricultural Economic Analysis"; "Microeconomic Theory—A Mathematical Approach"; "Economic Forecasting"; "Taxation of Agricultural Lands in Underdeveloped Economies"; "The Staple Food Economies Of Western Tropical Africa"; "Water Resource Development: The Economics of Project Evaluation"; "Multiple Purpose Rive...

Parnassiana nova : XXIV. Kritische Revision der Gattung Tadumia

Eisner, C. (1959)
Genus Tadumia F. Moore Generotypus: T. acco G. R. Gray Tibia mit langem, ihr Ende überragendem, stark zugespitztem Schienenblättchen, das von der Tibiamitte ausgeht. Im Vorderflügel verwächst R1 am Vorderrande mit R3. R3 entspringt nicht aus dem Radialstiel. Präkostalsporn des Hinterflügels ein- oder zweiästig. Sonst gleicht das Geäder weitgehend, bis auf M1 (siehe weiter unten), dem des Genus Parnassius F. Bryk unterscheidet und diagnostiziert: Subgenus Tadumia F. Moore Im Vorderflügel M1 in...

〈目録〉新着外国雑誌論題(続)

滋賀大学附属図書館 (1959)

砥粒切れ刃の分布に基く研削の幾何学的考察

織岡,貞次郎 (1959)
Various expressions have been derived by Alden, Guest, Sato, Shaw, Ono, and others on the grain depth of cut and the roughness of finished surface in the grinding operation. All of these expressions are based on the assumptions, that cutting edges of abrasive grains are distributed regularly on the wheel surface and that all grain tips are arranged in the ideal cylindrical surface, i.e. the heights of the grain tips are exactly constant. The computed values from these assumptions differ from ...