Applied Mathematics

NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.The determination of the set [Lambda] of values of [lambda] for which a family of operators {A[subscript lambda]} on a real, partially-ordered Banach space has positive fixed points and the description of the behavior of the fixed points as functions of [lambda] are considered. The operators A[subscript lambda] are usually assumed to be compact monotonic operators which satisfy A[sub...

Chemical Engineering

NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.I. The three-dimensional crystal structure of a [alpha]-keto-1,1 -trimethyleneferrocene has been determined by X-ray diffraction analysis. This compound crystallizes in the centrosymmetric monoclinic space group [...]. The unit cell contains four molecules and has the dimensions a = [...] and b = [...] and []. The structure was solved from the locations of the iron-iron vectors in th...

Physics

NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.In this thesis the Dashen-Frautschi method is applied to find shifts from SU(2) symmetry of [pi]NN and [pi]NN* coupling constants. Three new features of this type of calculation are discovered. First, we observe that the same A matrix used to connect s channel and u channel residue shifts also relates u channel contributions such as those due to [gamma]N exchange to analogous process...

Chemistry

NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.The temperature dependence of the geminal fluorine-fluorine chemical-shift differences in a variety of unsymmetrically substituted cyclobutanes has been interpreted in terms of a classical equilibrium between axial and equatorial conformations, for which freeenergy differences have been calculated. The absence of this effect for cyclobutenes and cyclobutanones indicates that these sy...

Engineering and Applied Science

In this report the induced surface current method is used to investigate the spatial structure of the radiated electric field for a number of paraboloidal antennas. The paraboloids are excited by three different types of feeds, namely, a small electric dipole, an elemental plane wave source, and a rectangular horn.For the case of electric dipole excitation, formulas are derived that show the following characteristics:(i) For a reflector of constant ratio of focal length to the aperture diameter ...

Biology

NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.Part I of this thesis is a study of the in vitro transcription of DNA by Escherichia coli RNA polymerase. Experiments on the transcription of phage lambda DNA form Chapter 1. The transcription of lambda DNA is partially asymmetric. When symmetric transcription occurs, RNA so transcribed is found in a double-stranded form which is resistant to digestion by ribonuclease. The temperatur...

Mathematics

NOTE: Text or symbols not renderable in plain ASCII are indicated by [...].Abstract is included in .pdf document.Let X be a completely-regular topological space and let C*(X) denote the space of all bounded, real-valued continuous functions on X. For a positive linear functional [...] on C*(X), consider the following two continuity conditions. [...] is said to be a B-integral if whenever [...] and [...] for all [...], then [...]. [...] is said to be B-normal if whenever [...] is a directed syste...

Engineering and Applied Science

NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in.pdf document.A soil test box, capable of applying any combination of principal stresses to a cubical soil sample, was developed for the experimental investigation of the behavior of granular soils under static loading. A stress control device was also developed, enabling a continuous and proportionate change to be made in the stresses along a stress path and considerably simplifying the calculatio...

Engineering and Applied Science

NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.A theoretical and experimental investigation has been made for the problem of two-dimensional viscous, incompressible, steady, slightly-stratified flow towards a line sink. The analytical solution was obtained from the Navier Stokes equations, the continuity equation, and the diffusion equation by first making a boundary-layer-type assumption and then using a small perturbation techn...

Chemistry

NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.PART IThe efficiency of reaching the lowest triplet state after excitation into low excited singlet levels was determined for benzene, naphthalene, and other polycyclic aromatic hydrocarbons as well as for a number of carbonyl compounds and amines in fluid solution at room temperature. The determinations were accomplished by a chemical method in which the compound in question is used...

Chemistry

NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.The oxygen containing film formed at anodically polarized platinum electrodes in oxyacid solutions has been characterized. By making use of a thin layer electrode it is shown that the film is composed of Pt(II) and Pt(IV) oxides. This was proven by oxidizing the electrodes, and then stripping the oxides with acidic chloride solution and then analyzing, coulometrically, the platinum c...

Chemistry

NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.A procedure for preparing and fractionating linear density gradients of bovine serum albumin is described. Reproducible buoyant density distributions of human erythrocytes in these gradients were obtained and individual fractions could be rebanded. The average buoyant density of erythrocytes from four individuals was 1.0808 [plus or minus] 0.0004 g. cm.[superscript -3]; the average d...

Biology

The great-grandprogeny of the Caenorhabditis elegans vulval precursor cells (VPCs) adopt one of the final vulA, B1, B2, C, D, E and F cell types in a precise spatial pattern. Formation of the pattern of vulval cell types is likely to depend upon the cis-regulatory regions of the transcriptional targets of these intercellular signals in vulval development. The outcome of such differential activation will result in individual cell types. egl-17, zmp-1, cdh-3 are expressed differentially in the dev...

Chemistry

NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.PART IA new method is presented for the purification of testicular hyaluronidase involving ion exchange chromatography followed by gel filtration on Sephadex G-75. A highly purified hyaluronidase preparation has been obtained which contains 45,000 N. F. activity units per mg dry weight and which migrates as a single component on polyacrylamide gel electrophoresis at pH 4.3. The amino...

Physics

NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.The Li^7(He^3,n)B^9 reaction has been investigated at incident energies from 5.2 to 12.5 Mev, using a pulsed-beam time-of-flight spectrometer in conjunction with the ONR-CIT tandem accelerator. The spectrometer includes a pre-acceleration beam-bunching system, which increases the average target current by a factor of approximately 10 for protons and deuterons, and 4 for He^3 and alph...

Electrical Engineering

Numerical iterative methods of solution of the one-dimensional basic two-carrier transport equations describing the behavior of semiconductor junctions under both steady-state and transient conditions are presented. The methods are of a very general character: none of the conventional assumptions and restrictions are introduced, and freedom is available in the choice of the doping profile, generation-recombination law, mobility dependencies, injection level., and boundary conditions applied sole...

Geological and Planetary Sciences

I IntroductionAn area of approximately four square miles lying 20 miles northwest of Pasadena California was mapped to satisfy the senior thesis requirement in geology at the California Institute of Technology. The area mapped lies around the mouth of Big Tujunga Canyon which in turn is 2 miles east of Sunland, Calif.II Physical ConditionsA series of sediments and volcanics was mapped which lie at the bass of the western slope of the San Gabriel Mts. between elevations of 1400 and 2300 . The rel...

Chemistry

NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.PART I:Styrene monomer containing various concentrations of methylferrocene was allowed to polymerize at 70

Biochemistry

NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.A serum blocking power (SBP) assay for [phi]X174 coat protein, which depends on the ability of whole phage or certain phage components to combine with antiphage serum, was developed. This assay registers complete [phi]X, both viable and nonviable, and 70S particles, but not chemically prepared 5S subunits.Studies on the growth of wild type [phi]X, at 37[degrees], showed that SBP synt...

Electrical Engineering

NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.The properties of p-n junction field-effect transistors (FET s) are formulated on a general basis, in terms of an arbitrary doping profile (i.e. arbitrary gate-channel impurity distribution). The external behavior is shown to be quite insensitive to the doping profile, provided that the profile satisfies certain weak restrictions. Essentially all practical structures are included in ...

Chemical Engineering

NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.X-ray diffraction studies of stable and supercooled liquid gallium (m.p. 29.8[degrees]C.) between 0 and 50[degrees]C. show no important dependence of internal structure on temperature. Atomic radial distribution functions were determined for 0, 10, 20, 29.5, 30, 40, and 50[degrees] from diffraction data to S=11[...]. Diffraction data was obtained in reflection geometry with Ag K-alph...

Electrical Engineering

NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.The drift velocity of electrons in silicon at high electric fields is measured in the <111> direction over the range of lattice temperatures from 4.2[degrees]K to 300[degrees]K. This information is obtained from measurements of pure unipolar (sclc) space-charge-limited current. Structures of the type [n^+ n n^+] and [n^+ p n^+] have been manufactured to study this curre...

Chemistry

NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.Part I. The paramagnetic resonance of the cyclopentadienyl radical C5H5 has been observed in a single oriented crystal of cyclopentadiene at temperatures ranging from 25[degrees]K to 150[degrees]K. The spectra are of two types, high-temperature and low-temperature spectra, with the transition occurring reversibly between 70[degrees]K and 120[degrees]K. The high temperature spectra co...

Mathematics

NOTE: Text of symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.A ring in which every subring is a two sided ideal is called a v-ring. This dissertation is a classification of all v-rings with periodic additive group. It is first shown that a ring is a v-ring with periodic additive group if and only if it is the restricted ring direct sum of v-rings whose additive groups are p-groups for different primes p. Such rings are called p-v-rings. It is ...

Mathematics

NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.The nonlinear boundary-value problem [...] is examined, under the hypothesis that the degenerate problem [...], has a continuously differentiable solution. Under a series of assumptions concerned, for the most part, with the smoothness of the functions f and g, it is proved that, for [...] restricted to a small enough interval of the form [...], the above boundary-value problem has a...

Engineering and Applied Science

NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Introductions to parts are included in .pdf document.Part 1. THE CONTINUOUS MARKOV PROCESSSince the first treatments of Brownian Motion as an example of a continuous Markov Process, the applications of Markov Processes in physical situations have extended over a wide range which includes such extremes as barometric pressure distributions and structural responses to earthquakes.In this part, the notion of a continuous Mar...

Engineering and Applied Science

I. The problem of draining of a liquid from a cylindrical tank through a hole in the bottom is considered. The flow is irrotational, and the free surface boundary conditions are linearized. Solutions are obtained and the shape of the free surface determined for any constant mass flow rate. At large mass flow rates, the free surface deforms appreciably when the mean depth is about 40 per cent or less of the tank diameter.The initial acceleration distribution of the free surface and the transient ...

Mathematics

NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.This thesis deals with the problem of how the elements from a finite field F of characteristic p are distributed among the various linear recurrent sequences with a given fixed characteristic polynomial [...]. The first main result is a method of extending the so-called "classical method" for solving linear recurrences in terms of the roots of f. The main difficulty is that...

Physics

A total of 79 galaxies have been investigated with the Owens Valley Observatory s two-element interferometer for content of neutral hydrogen. The baseline used was 100 feet east-west, and the filter bandwidth was 100 kHz. Thirty of the galaxies had detectable emission (> 0.5 f.u.). The results are presented as line and position profiles for each galaxy (i.e.plots of the flux, and its position derived from the interferometer phase as a function of radial velocity).An extensive investigatio...

Mathematics

NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.A local Noether lattice of dimension n is regular if and only if its maximal element is a join of n principal elements. A set of n principal elements whose join is the maximal element is called a regular system of parameters. An element of a regular system of parameters is called a regular parameter.The main results of this thesis describe the structure of distributive regular local ...

Chemistry

Part I.The mechanism of the thermal decomposition of acetyl peroxide has been reinvestigated. The intermediacy of acetoxyl radicals has been demonstrated by a scavenging technique and evidence is presented which strongly suggests that the rate constant for acetoxyl radical decarboxylation is of the order of 2 x 10[superscript 9] sec.[superscript -1]. A primary process involving mainly simple 0_0 bond scission followed by acetoxyl radical decarboxylation at a rate competitive with diffusive separ...

Engineering and Applied Science

The diffraction of transient elastic waves by a spherical cavity is treated. Two cases are considered: (a) a suddenly applied normal point load, and (b) the impingement of a plane transient pulse on the cavity. The method used determines the solution only in the shadow zones; that is, those points which cannot be connected to the source of disturbance by straight-line rays. Analytical results are obtained and evaluated for the displacements at the cavity wall.The analysis is based on the Laplace...

Biology

NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.CHAPTER I Chapter I of this thesis is concerned with the isolation and characterization of ascites chromosomal RNA. The isolation of rat ascites chromosomal RNA as well as some of its physical and chemical properties are described in Section 1. Chromosomal RNA is characterized by its small size, lack of amino acid acceptor activity, and, relative to transfer RNA, low content of methy...

Physics

Extending the energy range of high sensitivity astronomical x-ray observations to the hard x-ray band (10--100 keV) is important for the study of nonthermal emission mechanisms and heavily obscured sources. This thesis, in two parts, describes the development of the High Energy Focusing Telescope (HEFT), a focusing telescope for the hard x-ray band, and the Serendipitous Extragalactic X-ray Source Identification (SEXSI) survey, a degree-scale x-ray/optical survey of sources detected in the Chand...

Chemistry

NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.PART IThe [alpha]-secondary isotope effect of L-malic-2-T-1, 4-C[superscript 14] acid on the reaction catalyzed by fumarase was determined. Evidence was presented which indicated that the reaction proceeded by formation of a carbonium ion in a rate-determining state at C-2 which possesses little sp[superscript 2] character.PART IIThe effects of sodium bromide and sodium phosphate at ...

Chemistry

NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.I. The synthesis of conformationally stable carbohydrates by use of the dialdehyde cyclization method of Baer and Fischer has been investigated. The synthesis of two new 3-C-alkyl-3-aminoaldohexose derivatives was achieved and the full structure elucidation of one of these compounds, methyl 3-isopropyl-3-amino-3-deoxy-[alpha]-D-gulopyranoside hydrochloride, has been accomplished.II. ...

Engineering and Applied Science

NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.Part I.Absolute gf-values for 21 lines of singly ionized chromium (Cr II) in the spectral region 3118-4559 [angstroms] are presented. Mixtures of Cr(CO)[subscript 6] and argon, heated by reflected shock waves to temperatures in the range 7920[degrees]K to 8730[degrees]K, were used to measure the emission intensity of ionized chromium lines. A three inch diameter shock tube was employ...

Physics

NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.The system of pseudoscalar meson and baryon octets is examined for spontaneous breakdown of SU(3) symmetry in a bootstrap theory with vanishing renormalization constants. The latter are calculated in second order perturbation theory; the splittings are taken to retain SU(2) symmetry and are included to first order only. The equations are diagonalized in the dimension of the represent...

Biochemistry

PART I. INTERACTION OF DNA AND HISTONE IN NUCLEOHISTONEChapter 1. SELECTIVE DISSOCIATION OF HISTONE FROM NUCLEOHISTONEWith increasing concentration of NaCl solution, an increasing amount of histone is dissociated from dissolved nucleohistone. The dissociated histone fractions are identified by gel electrophoresis. The lysine rich histone fraction I is dissociated from nucleohistone in the range 0.3-0.5 F NaCl; slightly lysine rich histone II in the range 0.8-1.6 F NaCl; arginine rich histone III...

Mathematics

NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.Let {T[subscript n]} be a sequence of continuous linear transformations on L[superscript p](X) for finite measure space X and 1<=p<=2. Assume further that lim T[subscript n]f(x) exists a.e. for all f(x) in L[superscript p](X). Then, under the added assumptions that X is a compact group or homogeneous space and that each operator T[subscript n] commutes with translations...

Electrical Engineering

A holographic dielectric grating is a diffraction grating comprised of a periodic variation of the refractive index of a medium, and is produced by the interference pattern of two monochromatic waves. Emphasis is placed upon photographic emulsion as the medium for recording the pattern, but the treatment is general and includes any material that can have an internal modulation of the refractive index. Three topics are treated: the effective dielectric constant of the emulsion, the diffraction of...

Chemical Engineering

NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.PART IMeasurements of the total viscosity and total conductivity were made as a function of position and Reynolds number for the flow of air between two parallel plates with a separation of approximately 0.75 in. The temperature of the upper plate was 103.0[degrees]F and that of the lower plate 70.0[degrees]F. The investigations were carried out at Reynolds numbers from 40,000 to 100...

Mathematics

NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.A sequence(f[subscript]n : n = 1, 2, ...) in a Riesz space L is order convergent to an element [...] whenever there exists a sequence [...] in L such that [...] holds for all n. Sequential order convergence defines the order topology on L. The closure of a subset S in this topology is denoted by cl(S). The pseudo order closure S of a subset S is the set of all [...] such that there e...

Chemistry

NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.PART ONE.Photochemical cis[...]trans isomerization of [beta]-styrylnaphthalene is studied by direct irradiation with light of various wavelengths and irradiation in the presence of sensitizers. A very unusual "negative" wavelength effect on quantum yields of trans[...]cis isomerization by direct irradiation is observed. The interpretation of this observation is presented in...

Chemistry

NOTE: Text and symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.Part I.The oxidation of several manganese(II) [beta]-diketonates by molecular oxygen has been studied in benzene and ethanol with the goals of elucidating the mechanisms and understanding the influence of ligand structure on the reactivities of the chelates.Autoxidation of bis(acetylacetonato)diaquomanganese(II) in benzene follows a two-term rate law which can be interpreted in term...

Engineering and Applied Science

NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.An experimental verification of the theory of space-charge-limited hole current in germanium is presented. Alloyed p-np solid-state diodes of various base widths W are fabricated. The V-I characteristic of each diode is measured at an ambient temperature of 78[degrees]K. These results are compared with theory. Dacey (4) predicts: J = 1.43[epsilon][epsilon][subscript omikron] [mu][sub...

Chemistry

PART I.The structure of the orange pigment from Pseudomonas aureofaciens was investigated and found to be 1-carboxy-2-hydroxyphenazine. A degradation product, 1-methyl-2-methoxyphenazine, was shown to be identical to a synthetic sample.PART II.The biogenesis of the indole alkaloid, strychnine, was studied by administration of C[superscript 14] labelled precursors to Strychnos nus-vomica plants and degradations of the radioactive strychnine isolated from the plants. The results indicate an acetat...

Biology

NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.The first part of this dissertation contains a publication which discusses the purification and properties of bacteriophage MS2 and its RNA, including the RNA content of the virus, and light scattering particle weights and sedimentation properties of the virus and its RNA. A short discussion of this publication in light of later results is included.An infectivity assay for MS2-RNA is...

Applied Physics

NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.Low temperature specific heat measurements have been used to investigate the electronic structure and superconducting properties of metallic glasses based on transition metals Mo and Ru alloyed with metalloids B and Si. An apparatus constructed for making these measurements is described. The results obtained are discussed in terms of the dependence of the density of states at the Fer...

Electrical Engineering

NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.In this thesis analytic formulas are derived for the elements of the inverse covariance matrix of sampled rational noise. It is shown that the number of terms composing these formulas is dependent only on the order of the noise and not on the dimension of the covariance matrix. Some special cases are worked out in detail.The estimation of the parameter [theta] in the process y(t) = [...