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Publications in 1966

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Structure of Biological Membranes

The combined x-ray diffraction and electron microscopic examination of myelin has provided reasonable, but not conclusive, support for its structure as a basically bimolecular leaflet of phospholipid that is partially interspersed with protein. But there...

Q in the Solar System

Secular changes brought about by tidal friction in the solar system are reviewed. The presence or absence of specific changes is used to bound the values of Q (the specific dissipation function) appropriate for the planets and satellites. It is shown...

Enzyme Polymorphisms in Man

There are a large number of different enzymes synthesized in the human organism, and many of these probably contain more than one structurally distinct polypeptide chain. If current theories about genes and proteins are correct we must suppose that the...

Menstrual Blood Loss–A Population Study: Variation at different ages and attempts to define normality

The previous literature on menstrual blood loss studies was reviewed. A new study was conducted to ascertain the variation of menstrual blood loss at various ages and to establish the upper normal limit of menstrual blood loss. The study involved 476...

Managerial thinking : an international study

E. William Noland, Mason Haire, Edwin E. Ghiselli, Lyman W. Porter

New dimensions in estuary classification

Results of recent theoretical studies are used as a basis for a new two-parameter system of estuarine classification. The classes are delineated by the magnitudes of the relative stratification and circulation parameters associated with changes in the...

A Continuous Spectrophotometric Method for Measuring the Activity of Serum Alkaline Phosphatase

A continuous spectrophotometric method for measuring serum alkaline phosphatase activity is described. The effects of temperature, pH, substrate concentration, type and molarity of the buffer, sample size, cofactors, and inhibitors on the enzymatic hydrolysis...

Endomorphisms of Abelian Varieties over Finite Fields

Endomorphisms of Abelian Varieties over Finite Fields

Coriolis interactions about X-Y axes in symmetric tops

Selection rules and matrix elements are derived for Coriolis interactions between vibrational levels due to rotation about (x, y) axes in symmetric top molecules. The theory is developed in detail for the case of interaction between an A1 and an E species...

Introduction to cybernetics

Introduction to cybernetics

On the van der Waals Theory of the Vapor–Liquid Equilibrium. I. Discussion of a One-Dimensional Model

For a one‐dimensional fluid model where the pair interaction potential between the molecules consists of a hard core and an exponential attraction, Kac has shown that the partition function can be determined exactly in the thermodynamic limit. In Sec....

An enzymatic fluorometric micromethod for the determination of glycerol.

A simple and rapid method was developed for determining glycerol in plasma or whole blood in a sample of 0.1 ml. The method was a fluorometric adaptation of existing spectrophotometric methods with enzymatic conversion of glycerol when...

Nonlinear oscillations of a fluttering plate. II.

The problem of two-and three-dimensional plates undergoing limit cycle oscillations (subsequent to the occurrence of a linear, aeroelastic instability) has been investigated. Von Karman's large deflection plate theory and quasi-steady aerodynamic theory...

Conformational Analysis of Macromolecules. III. Helical Structures of Polyglycine and Poly‐L‐Alanine

A theoretical study of the regular conformations of isolated helices (i.e., with no intermolecular interactions) of polyglycine and poly‐L‐alanine has been carried out. The energy of each helical conformation was calculated by using semiempirical...

The slow response of the human cortex to auditory stimuli: Recovery process ☆

The late, slow, non-specific diffuse cortical response (the “V potential”), recorded from the vertex relative to mastoid or ear, has been studied by the method of averaged responses in waking young adults.

Chemical evolution of the terrestrial planets

The terrestrial planets are believed to have formed by accretion from an initially cold and chemically homogeneous cloud of dust and gas. The iron occurring in the dust particles of the cloud was present in a completely oxidised form. Either before or...

Recognizing the Maximum of a Sequence

The classical dowry, secretary, or beauty contest problem is extended in several directions. In trying to find sequentially the maximum of a random sequence of fixed length, the chooser can have one or several choices (section 2), no information about...

Fiber degeneration following lesions in the anterior ventral cochlear nucleus of the cat

The results of studying fiber projections of the anteroventral cochlear nucleus (AVCN) by the Nauta and protargol methods were described in a previous paper. In the present study using similar methods, lesions in the posteroventral cochlear nucleus (PVCN)...

Natural history of Hodgkin's disease as related to its pathologic picture

This paper evaluates the significance of the clinical stages and histologic features of Hodgkin's disease in 377 U. S. Army cases from World War II with a 15- to 18-year follow-up. From this study 6 histologic types have emerged: (1) lymphocytic and/or...

Cryoglobulinemia—A clinical and laboratory study ☆: II. Cryoglobulins with rheumatoid factor activity

Detailed clinical and laboratory studies of twelve subjects with cryoglobulins associated with rheumatoid factor activity are presented. These patients constituted 41 per cent of twenty-nine subjects with cryoglobulinemia discussed in the accompanying...

Observers for multivariable systems

Often in control design it is necessary to construct estimates of state variables which are not available by direct measurement. If a system is linear, its state vector can be approximately reconstructed by building an observer which is itself a linear...

The Maxwellian view.

Optical questions arising in the so-called Maxwellian View method of illuminating the retina have been analyzed theoretically. Problems discussed in detail include those of photometry, of magnification, of focus and finally of pupil size insofar as it...

Syntactic and semantic errors in paralexia

A case of selective dysphasic impairment resulting from gunshot injury is reported. The numerous paralexic errors made to different parts of speech are analysed. The preponderance of semantic errors and specific facilitation of noun responses are discussed.

Cerebral blood flow.

TWENTY years ago Drs. Seymour Kety and Carl Schmidt first described the inert-gas technic for the quantitative measurement of cerebral blood flow. Conceived and developed in the Pharmacology Laboratory of the University of Pennsylvania and carried out...

On the Exponential Form of Time-Displacement Operators in Quantum Mechanics

We derive and discuss a formula, due to Magnus, for the exponential representation of the operator solution to Schrodinger's equation when the Hamiltonian is time dependent. The formula gives a unitary time‐displacement operator in every order of approximation....

Classification of response patterns of spike discharges for units in the cochlear nucleus: Tone-burst stimulation

SummaryWhen poststimulus time histograms are computed for tone-burst stimulation, certain shapes of histograms, or response patterns, were more often observed than others for units in the cochlear nucleus. The shapes of patterns that are observed depend...

Elections and the Political Order

James W. Prothro, Angus Campbell, Philip E. Converse, Warren B. Miller, Donald E. Stokes

The philosophy of language

J. W. Swanson, Jerrold J. Katz

Production of Aflatoxin on Rice

A method has been developed for the production of aflatoxin by growing Aspergillus flavus strain NRRL 2999 on the solid substrate rice. Optimal yields, more than 1 mg of aflatoxin B1 per g of starting material, were obtained in 5 days at 28 C. A crude...

Germination of Witchweed (Striga lutea Lour.): Isolation and Properties of a Potent Stimulant.

A crystalline germination stimulant (trivial name strigol) for the rootparasite, witchweed (Striga lutea Lour.), has been isolated from cotton rootexudates and characterized as a C19H22O6 compound. Although apparently different from known plant hormones,...

THE FUNCTIONS OF THE THYMUS SYSTEM AND THE BURSA SYSTEM IN THE CHICKEN

Raymond D. A. Peterson, Mary Ann South, Robert A. Good

Random Sequential Addition of Hard Spheres to a Volume

The configurations produced by placing spheres one at a time in a volume, subject to no overlap of the spheres but otherwise placing each at a point chosen at random, differ in a fundamental way from the configurations characteristic of a hard‐sphere...

Shaping of the Continental Rise by Deep Geostrophic Contour Currents

Geostrophic contour-following bottom currents involved in the deep thermohaline circulation of the world ocean appear to be the principal agents which control the shape of the continental rise and other sediment bodies.

17-hydroxylation deficiency in man.

Edward G. Biglieri, Herron Ma, Norma Brust

Immunochemistry of O and R antigens of Salmonella and related Enterobacteriaceae.

Full textFull text is available as a scanned copy of the original print version. Get a printable copy (PDF file) of the complete article (9.6M), or click on a page image below to browse page by page. 192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255Images...

Solar Radio Astronomy

Solar Radio Astronomy

Discrete Optimization Via Marginal Analysis

Discrete optimization subject to one constraint is attacked by Lagrangian analysis. Incremental allocation schemes are given that generate undominated allocations. In an important special case, the complete family of undominated allocations is generated.

Photoinhibition of chloroplast reactions. I. Kinetics and action spectra.

Summezary. A study was made of photoinhibition of spinach chloroplast reactions. The kinetics and spectral characteristics of the photoinhibition over a range between 230 and 700 mu have been examined. The decline of activity due to preillumination was...

A Perturbation Theory for Strong Plasma Turbulence

A new perturbation theory for solving the Vlasov equation is derived. The theory is especially designed to cope with time secularities and nonanalyticity in the expansion parameter (the field strength). The method is based on the use of a statistical...

Some Chemical Observations on Post-Glacial Lake Sediments

This paper reports the results of a somewhat exploratory investigation of the chemical composition of cores taken from the sediments of a number of lakes of the English Lake District. All the lakes studied are of glacial, and therefore presumably of synchronous,...

DYNAMICS OF THE GEOMAGNETIC TAIL

Bruno Coppi, G. Laval, R. Pellat

Sociological theories in progress

Herbert L. Costner, Joseph Berger, Morris Zelditch, Bo Anderson

Acetylene reduction by nitrogen-fixing preparations from Clostridium pasteurianum.

1. 1. Nitrogen fixation in cell-free extracts of Clostridium pasteurianum is inhibited by low partial pressures of acetylene.2. 2. Extracts from cells grown on N2 reduce acetylene with H2, but similar extracts from cells grown with NH4+ do not. The product...

Plaque fissures in human coronary thrombosis

SummaryComplete serial section study of the thrombosed segments of the coronary arteries from 20 consecutive cases of fatal coronary thrombosis revealed that in each instance the thrombus was anchored in fissures of the surrounding atheromatous plaques.Most...

The heat transfer from a hot wall to impinging mist droplets in the spheroidal state

L.H.J. Wachters, L. Smulders, J.R. Vermeulen, H.C. Kleiweg

THE FINE STRUCTURE OF ELASTIC FIBERS

Theodore K. Greenlee, Russell Ross, Jerry L. Hartman

On bounds for the overall elastic moduli of inhomogeneous systems—II

The overall elastic moduli of solid composite materials are bounded by employing extremum principles. Composites that are homogeneous and isotropic in a statistical sense, but with otherwise arbitrary geometry, are considered. When each of the constitutive...

Constrained minimization methods

E.S. Levitin, B. T. Polyak

A Quantitative Study on the Nigro‐Neostriatal Dopamine Neuron System in the Rat

In a combined biochemical and histochemical investigation the following quantitative data on a unilateral nigro-neostriatal dopamine neuron system in the rat have been obtained or calculated. — The number of neurons is 3,500 on the average. — There...

Garnet Zoning: An Interpretation Based on the Rayleigh Fractionation Model

Manganese zoning in almandine garnet is interpreted by the use of calculations based on the Rayleigh fractionation model. A close similarity of a measured manganese zoning profile and a calculated profile indicates that the assumptions used in the calculations...

The Control of Polymorphism in Aphids

Polymorphism in aphids is an expression of the multiple developmental potentialities inherent in the egg, the embryo, and the young larva. Polymorphism is frequently of the “alternative” type. Competence to differentiate along different alternative...

Temporal dispersion of recovery of excitability in atrium and ventricle as a function of heart rate.

Temporal dispersion of recovery of excitability, measured as the range of local refractory period durations at numerous sites on the atrial and ventricular surfaces, was found to be a direct function of the basic cycle length except at very rapid driving...

Exact Quantum‐Mechanical Calculation of a Collinear Collision of a Particle with a Harmonic Oscillator

Exact quantum‐mechanical calculations of the transition probabilities for the collinear collision of an atom with a diatomic molecule are performed. The diatomic molecule is treated as a harmonic oscillator. A range of interaction potentials from very...

Antenna tolerance theory&#HASH#8212;A review

The theoretical basis of antenna tolerance theory is reviewed. Formulas are presented for the axial loss of gain and the pattern degradation as a function of the reflector surface rms error and the surface spatial correlation. Methods of determining these...

Elasticity of ultrabasic rocks

Nikolas I. Christensen

Rate of Interconversion of Electronic and Vibrational Energy

Radiationless transitions are treated from the viewpoint of the nonstationary character of the Born—Oppenheimer approximation. It is shown that the theory explains the fast rates of internal conversion and highly variable rates of intersystem crossing,...

The self-preserving particle size distribution for coagulation by brownian motion ☆

The solutions to the kinetic equation of coagulation are reviewed particularly from the standpoint of their asymptotic behavior. The coagulation equation is studied theoretically by means of a new similarity transformation. For the case of constant collision...

Chloroperoxidase: II. Utilization of Halogen Anions

Lowell P. Hager, David R. Morris, Frederick S. Brown, Horst Eberwein

Statistical Theory of Chemical Kinetics : Application to Neutral‐Atom—Molecule Reactions

Several processes involving uncharged species are discussed in terms of a statistical theory of strong‐coupling collisions. Specifically, we study the Mies—Shuler—Zwanzig model for vibrational excitation of a diatomic by impulsive collisions; the...

Formation of plasmapause, or magnetospheric plasma knee, by the combined action of magnetospheric convection and plasma escape from the tail

Formation of plasmapause, or magnetospheric plasma knee, by the combined action of magnetospheric convection and plasma escape from the tail

PENETRATION OF EPIDERMIS BY ULTRAVIOLET RAYS

Mark Allen Everett, Edward Yeargers, Robert M Sayre, R.L. Olson

Gaussian Lobe Function Expansions of Hartree—Fock Solutions for the First-Row Atoms and Ethylene

Gaussian expansions of ground‐state Hartree—Fock solutions for the first‐row atoms are determined by a self‐consistent‐field minimization of atomic energies. Wavefunctions are constructed from a basis set designed primarily for use in molecular...

Atlas of Peculiar Galaxies

Halton Arp, Mount Wilson, Palomar Observatories

Activated Coagulation Time of Whole Blood

The determination of the coagulation time of whole blood, as usually performed, has proven an inadequately sensitive means of detecting hemorrhagic diatheses. Many patients with low-grade but potentially dangerous hemophilioid disorders show clotting...

Simple theory of stress-strain properties of filled polymers†

By the use of simple models of filled plastics, approximate equations are derived for elongation to break in the case of perfect adhesion between the phases and for the tensile strength in the case of no adhesion between the polymer and filler phases....

Oral submucous fibrosis.

On the basis of the literature and personal experience, we have discussed a pcculiar oral disease—submucous fibrosis—seen mainly among East Indians. The condition is chronic and is clinically characterized by blanching and stiffness of the oral mucosa....

Precipitating antibody in human serum to an antigen present in cultured burkitt's lymphoma cells.

Old L, Edward A. Boyse, Herbert F. Oettgen, Etienne de Harven, Gayla Geering, Bruce Williamson, Clifford P

Effects of diffusion current on characteristics of metal-oxide (insulator)-semiconductor transistors ☆

A qualitative discussion of the device operation is first given using three-dimensional energy band diagrams to show the significance of the diffusion current. The theoretical static I–V characteristics are the computed including both the diffusion...

The origin of saline formation waters: 1. Isotopic composition

Robert N. Clayton, I. Friedman, D. L. Graf, W. F. Meents, N.F. Shimp

An Ecological Significance of Evergreenness

Percentage of evergreenness in 158 forest stands from seven community types in north—central Florida ranged from 0 to 100. In general, the evergreen species are more important on dry sterile sites and the deciduous species on mesic...

Optical-model analysis of the scattering of 24.7 MeV alpha particles

The measured elastic scattering of 24.7 MeV alpha particles from the nuclei O, Mg, Al, Si, Ca, Ma, Ni, Co, Cu, Ge, Zr, Ag, In, Sn, Hf, W, Au, Bi and U has been analysed using the optical model. Fits were obtained using a four-parameter Woods-Saxon potential....

THE EPIDEMIOLOGY OF GALLBLADDER DISEASE: OBSERVATIONS IN THE FRAMINGHAM STUDY

Gary D. Friedman, William B. Kannel, Thomas R. Dawber

Intonation, perception, and language

Massachusetts Institute of Technology. Dept. of Modern Languages and Linguistics. Thesis. 1966. Ph.D.

TEMPERATURE DEPENDENCE OF AVALANCHE MULTIPLICATION IN SEMICONDUCTORS

Expressions for the temperature dependence of the carrier mean free path for optical phononscattering and the mean energy loss per collision are presented which predict avalanche multiplication as a function of electric field for any operating temperature...

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