Article

Sawing: Band or circular

September 2002

Authors:

The criteria for selecting the right kind of saw is discussed. Depending on the nature of job, the right saw may be either a bandsaw, a circular saw or both. For many jobshops, the ideal setup is a combination of a small circular saw and a large bandsaw. The jobshops should consider the maximum material size, type and miter cutting while selecting the saw.

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Article

FUNDAMENTAL EXPERIMENT ON TEST-PIECE PREPARATION AND STRENGTH TEST METHOD OF THE KABETSUCHI

September 2002 · Journal of Structural and Construction Engineering (Transactions of AIJ)

Although the mud wall has been used in many buildings from old time, the material property is still unclear. The quality of "KABETSUCHI", which is the main material of the mud wall, depends on the place of production because it is nature material. The purpose of the experiment is to estimate exactly the quality about mixing, workability, shape of test piece, compactness, and strength test of the ... [Show full abstract] KABETSUCHI.

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Efficient risk-sharing under adverse selection and subjective risk perception.

January 1970

The present paper thoroughly explores second-best efficient allocations in an adverse selection insurance economy. We start from a natural extension of the classical model, assumer less than perfect risk perceptions. We propose first and second welfare theorems, by means of which we describe efficiency-enhancing policies. Notions of weak and strong adverse selection are promising for interpreting ... [Show full abstract] real world insurance arrangements.

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Spatial perception: The perspectival aspect of perception

December 2017 · Philosophy Compass

When we perceive an object, we perceive the object from a perspective. As a consequence of the perspectival nature of perception, when we perceive, say, a circular coin from different angles, there is a respect in which the coin looks circular throughout, but also a respect in which the coin's appearance changes. More generally, perception of shape and size properties has both a constant ... [Show full abstract] aspect—an aspect that remains stable across changes in perspective—and a perspectival aspect—an aspect that changes depending on one's perspective on the object. How should we account for the perspectival aspect of spatial perception? We present a framework within which to discuss the perspectival aspect of perception and put forward three desiderata that any account of the perspectival aspect of perception should satisfy. We discuss views on which the perspectival aspect of perception is analyzed in terms of constitutively mind-dependent appearance properties as well as views on which the perspectival aspect of perception is analyzed in terms of representations of mind-independent perspectival properties.

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Multiple solutions for a Kirchhoff-type equation with general nonlinearity

August 2018

Sheng-Sen Lu

This paper is devoted to the study of the following autonomous Kirchhoff-type equation

-M\left(\int_{\mathbb{R}^N}|\nabla{u}|^2\right)\Delta{u}= f(u),~~~~u\in H^1(\mathbb{R}^N),

where M is a continuous non-degenerate function and

N\geq2

. Under suitable additional conditions on M and general Berestycki-Lions type assumptions on the nonlinearity f, we establish several existence results ... [Show full abstract] of multiple solutions by variational methods, which are also naturally interpreted from a non-variational point of view.

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Coalgebra Extensions and Algebra Coextensions of Galois Type

September 1997 · Communications in Algebra

The notion of a coalgebra-Galois extension is defined as a natural generalisation of a Hopf-Galois extension. It is shown that any coalgebra-Galois extension induces a unique entwining map

\psi

compatible with the right coaction. For the dual notion of an algebra-Galois coextension it is also proven that there always exists a unique entwining structure compatible with the right action.

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Article

Bs decays: CP asymmetries in left-right models with spontaneous CP violation

June 1999

Joaquim Matias

We present the contributions of new CP phases in CP asymmetries of two-body neutral

B_s

decays coming from a left--right model with spontaneous CP violation. Large deviations from the Standard Model predictions can be accommodated in a natural way by this type of models. The new physics effects on the mixing, width difference and decays are analysed. In particular, we show how the measurement ... [Show full abstract] of the angle

\gamma

in electroweak penguin-dominated processes can be largely affected.

Chapter

Limit Theorems under Generalized Mixing Conditions

January 1991

Boris Nahapetian

In /29/ Dobrushin has introduced some weak dependence conditions which represent a natural generalization of the mixing conditions for random fields. He suggested also that the c.l.th. which contains well-known results as a special case under these generalized mixing conditions holds. In this chapter a theorem of such type will be proved for s.r.p. with generalized α-mixing condition. Note that ... [Show full abstract] similar results may be obtained both for s.r.p. with generalized φ-mixing condition and for random fields. In the conclusion some generalizations of the c.l. th. will be given in case of so-called non-commutative probability theory.

Chapter

Solar Energy Bioconversion at the Ecosystem Level

January 1982

Paul Duvigneaud

In nature, the importance of the bioconversion of Solar energy depends on the type of ecosystem in which this bioconversion is taking place. But the concept of ecosystem is a wide one, covering a large scale of ecological units differing in extent, structure and functioning. Adequate definitions are necessary.

Chapter

Application of the classical contact theory to deformation of the skeletal joints

January 1974

It is well known that when two bodies come into contact under an applied load, the body surfaces will deform at the point of contact and an area of contact will appear. The size and the shape of this contact area depend on the nature of the applied load, the original shape, and the material properties of the contact bodies. From the size and the shape of this contact area, the stress ... [Show full abstract] distributions of the bodies caused by the applied load also can be determined.

Chapter

Sense-Data and Things in the Material World

January 1982

David O’Connor

We saw earlier how Moore, in his ‘Defence of Common Sense’, expressed himself as completely certain that those propositions that he calls the truisms of common sense are true. From among the classes of truisms in question propositions maintaining the existence of material objects are the most important for present purposes and so I will concentrate upon those. But while expressing himself as ... [Show full abstract] absolutely certain that propositions about the real existence of the Earth, human beings, and material bodies of various sorts are true, we saw also how Moore allows that he is “very sceptical as to what, in certain respects, the correct analysis of such propositions is”.1 This has to be seen as a major reservation in Moore’s philosophy, because of his conviction that “the whole question as to the nature of material things obviously depends upon their analysis”.2

Chapter

Using Selection Widgets

January 2012

Grant Allen

In Chapter 11, you saw how fields could have constraints placed on them to limit possible input, such as numeric-only or phone-number-only. These sorts of constraints help users “get it right” when entering information, particularly on mobile devices with cramped keyboards.

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A brief review and comparison of selected experimental methods for measuring natural frequencies of...

August 2016 · Drewno

Different methods for the empirical determination of the natural frequencies of circular saw blades are presented. Stationary methods, such as the harmonic and impulse tests, are discussed and the results of related comparison are given. The comparison of the methods revealed their degree of practical usefulness and their accuracy in determining natural frequencies. A combination of specific ... [Show full abstract] methods is proposed, which should allow optimal results.

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Sawing: Band or circular

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