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Publications in 1944

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Mathematical analysis of random noise

THIS paper deals with the mathematical analysis of noise obtained by passing random noise through physical devices. The random noise considered is that which arises from shot effect in vacuum tubes or from thermal agitation of electrons in resistors....

The teacher's word book of 30,000 words

Edward L. Thorndike, I. Lorge

Frequency of earthquakes in California

Estimates of the frequency of destructive shocks in California have usually beenbased on the very imperfect historical record. The present note attempts to revisethese estimates by statistical comparison of earthquake frequency in Californiawith that...

STUDIES ON THE CHEMICAL NATURE OF THE SUBSTANCE INDUCING TRANSFORMATION OF PNEUMOCOCCAL TYPES INDUCTION OF TRANSFORMATION BY A DESOXYRIBONUCLEIC ACID FRACTION ISOLATED FROM PNEUMOCOCCUS TYPE III

After several years of pursuing other research, Avery's lab returned its focus to the nature of the transforming substance in 1940. When MacLeod left for New York University in 1941, McCarty joined Avery to complete the research. In this landmark ...

Advances in Protein Chemistry

M. L. Anson, John T. Edsall

An American dilemma : the Negro problem and modern democracy

Gunnar Myrdal, Richard Sterner, Arnold M. Rose

Studies on the Chemical Nature of the Substance Inducing Transformation of Pneumococcal Types

A reprint of Avery, MacLeod, and McCarty's article on the 50th anniversary of its original publication. The introduction is written by Thorsen Wiesel.

A METHOD FOR THE COLORIMETRIC DETERMINATION OF PHOSPHORUS.

A method is described for the colorimetric determination of phosphorus, using ferrous sulfate as a reducing agent.I wish to express my gratitude to the Rockefeller Foundation for financial assistance.

Theory of Molecular Size Distribution and Gel Formation in Branched Polymers II. General Cross Linking

A statistical calculation of the gel point and of the molecular size distribution is made for cross‐linked high polymers of arbitrary initial size distribution. The weight‐average polymerization degree of the cross‐linked polymer depends only on...

The precordial electrocardiogram

Frank N. Wilson, Franklin D. Johnston, Francis F. Rosenbaum, Herman Erlanger, Charles E. Kossmann, Hans H. Hecht, Nelson Cotrim, Roberto Menezes de Oliveira, Roberto Scarsi, Paul S. Barker

Noise Figures of Radio Receivers

A rigorous definition of the noise figure of radio receivers is given in this paper. The definition is not limited to high-gain receivers, but can be applied to four-terminal networks in general. An analysis is made of the relationship between the noise...

Proportional Income Taxation and Risk-Taking

I. Summary and conclusions, 388. — Loss offset provisions, 391. — II. The rationale of investment behavior: yield and risk defined, 393; yield and risk of an asset combination, 398; investor's indifference map and investment equilibrium, 402. —...

American oil chemists’ society

SummaryCollaborative analyses on seven samples by 79 laboratories have shown that the average standard deviation in the oil determination is about 0.34 percent, which compares with a standard deviation of 0.31 percent...

Dynamic theory of personality.

Orval Hobart Mowrer, Clyde Kluckhohn

The Idea of Nationalism

Charles A. Beard, Hans Kohn

Thermodynamics of Heterogeneous Polymers and Their Solutions

The statistical mechanical treatment previously applied to homogeneous polymer solutions has been extended to heterogeneous polymers composed of numerous molecular species differing in polymer chain length. Entropies of mixing with solvent are derived...

The re-innervation of muscle after various periods of atrophy

The re-innervation of muscle after various periods of atrophy

The Mechanism of Copolymerization

The mechanism of catalytic copolymerization of two monomers A and B is treated with the the aid of steady state approximation. Two initiation and two termination rates are assumed, one for each monomer. Four propagation rates are considered, corresponding...

A graphic procedure in the geochemical interpretation of water-analyses

This paper outlines certain fundamental principles in a graphic procedure which appears to be an effective tool in segregating analytical data for critical study with respect to sources of the dissolved constituents in waters, modifications in the character...

The Vibrational Spectrum of Pyridine and the Thermodynamic Properties of Pyridine Vapors

An analysis of the vibrations of the pyridine molecule was made on the basis of infra‐red, Raman, and ultraviolet absorption spectra. The fundamental frequencies were assigned and the thermodynamic properties of pyridine were calculated on the basis...

THE DIAGNOSIS OF RHEUMATIC FEVER

Numerous factors slowly accruing over the years have resulted in focusing our attention on the problem of rheumatic fever. This would seem logical in view of the fact that it remains one of the important soluble medical problems of our day. Increase in...

Does the Consumer Benefit from Price Instability

A new theorem: consumers harmed by price stability, 602. — I. Related propositions: consumer's surplus and price stability, 602. — II. The general case, 605. — III. Indifference curve analysis, 606. — IV. The theorem in its most general form,...

The Theory of Games and Economic Behaviour

John von Neumann, O. Morgenstern

The Asymmetric Rotor II. Calculation of Dipole Intensities and Line Classification

A table of line strengths for rigid asymmetric rotors is given, by means of which to this approximation the relative intensities of all important rotational lines up to J < 13 for all bands of any molecule can be readily calculated, provided the asymmetry...

Bubble formation in animals. I. Physical factors

E. Newton Harvey, David K. Barnes, W. D. McElroy, A. H. Whiteley, Daniel C. Pease, Kenneth W. Cooper

Forced Torsional Oscillations of an Elastic Halfhyphen;Space. II

In this paper a study is made of the forced torsional oscillations of an elastic half‐space, the physical constants of which are assumed to be known, under the action of a rigid circular disk oscillating periodically about an axis through its center....

Baton Rouge, Louisiana

Bicycle rack and Cat Crackers. The bicycles are used by workmen traveling throughout the refinery.

Coaxial-Line Discontinuities

The equivalent circuits representing the effects from certain step-type discontinuities are obtained for coaxial transmission lines. It is shown that for the cases studied the effects of the local waves in the vicinity of the discontinuity can be accounted...

LESIONS OF THE MUSCULOTENDINOUS CUFF OF THE SHOULDER

1. The transacromial approach is dry, easy, and especially useful for surgical procedures involving the cuff, capsule, humeral head, long biceps tendon, and intra-articular cavity of the shoulder.2. Distinct benefits are gained by excising and discarding...

Equivalent Circuits for Discontinuities in Transmission Lines

Exact equivalent circuits for several types of discontinuities in parallel-plane transmission lines are obtained by Hahn's method of matching electromagnetic-wave solutions. Values of lumped elements to be used in these are given in curve form, with rules...

Bread and democracy in Germany

Alexander Gerschenkron

INJURIES TO THE LIGAMENTS OF THE KNEE JOINT

1. Early and thorough examination is essential for exact diagnosis, which forms the basis for rational treatment in all injuries to the collateral and cruciate ligaments of the knee joint.2. In addition to a careful history and examination, the authors...

Chlorellin, an Antibacterial Substance from Chlorella.

Robertson Pratt, T. C. Daniels, John J. Eiler, J. B. Gunnison, W. D. Kumler, J. F. Oneto, H. A. Spoehr, Garrett Hardin, Harold W. Milner, J. H. C. Smith, Harold H. Strain

FATAL CORONARY ARTERIOSCLEROSIS IN YOUNG SOLDIERS

Since the beginning of the present war the Army Medical Museum has received protocols and tissues from more than 100 fatal cases of coronary arterial disease in soldiers 20 to 36 years of age. The chief facts concerning 80 such cases in which deaths seemed...

Stress Relaxation of Natural and Synthetic Rubber Stocks

Measurements of stress decay as a function of time made at constant elongation on thin bands of gum and tread type natural rubber (Hevea), Neoprene, Butyl, Buna S, and Butaprene N stocks indicate that both secondary and primary bondrelaxation occur. Practically...

Statistical Thermodynamics of Mixtures with Non-Zero Energies of Mixing

A general formula has been obtained for the number of distinct arrangements of a mixture of any number of different types of molecules each with its own geometric properties. From this are deduced the thermodynamic properties of such mixtures when the...

David Hilbert and his mathematical work

David Hilbert and his mathematical work

A possibility for physiologic orthodontic movement

Through the stimuli of light forces, osteoclasts are mobilized after a very short time and attack the bone by uniform superficial lacunar resorption. The lighter these stimuli, the higher the number of our great helpers which remove the obstacles for...

THE EVIL SEQUELAE OF COMPLETE BED REST

It is rarely possible to ascribe to bed rest alone the disorders which become manifest in patients confined to bed during the treatment of disease or injury. Intercurrent illnesses sometimes develop in spite of bed rest, as when myocardial infarction...

The life and selected writings of Thomas Jefferson

T. R. Jefferson, Adrienne Koch, William Peden

HETEROGENETIC ANTIBODIES IN ACUTE HEPATITIS.

Monroe D. Eaton, William D. Murphy, V. Lee Hanford

ABSORPTION OF FERROUS AND FERRIC RADIOACTIVE IRON BY HUMAN SUBJECTS AND BY DOGS 1

Carl V. Moore, Reubenia Dubach, Virginia Minnich, Harold K. Roberts

QUADRICEPSPLASTY TO IMPROVE KNEE FUNCTION

1. Restriction of knee motion is common after injuries to the thigh.2. Quadriceps function may be restored by operative procedure.3. The principle of excision of scarred tissue to allow normal muscle tissue to function can frequently be used to improve...

The Dissociation of H2O into H+OH

The energy of dissociation of H2O into H+OH was measured by an experiment developed from the method of Bonhoeffer and Reichardt. A spectrograph of high resolving power served for the measurement of the intensity of the absorptionspectrum of OH in a heated...

Over het aantal lichtquanta dat nodig is voor een lichtprikkel bij het menselijk oog

SummaryA method is described for the determination of the number of absorbed quanta in the visual purple necessary for the perception of light in the case of seeing with the rods.From the statistics about the observation of light flashes it is possible...

The Formation of Bubbles

Extreme values for the negative pressures and the degrees of superheat which water will withstand without forming bubbles are contrasted with the ease of forming bubbles by vibration or by the turbulent flow of liquids. The subject of bubble nuclei is...

Isotopic tracer studies on the movement of water and ions between intestinal lumen and blood.

E. S. Fetcher, C. W. Cabb, Harry P. Gregor, M. S. Bushey, Donald E. Barker

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