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Zro2 And Zro2-Y2O3 Coatings Deposited By High Energy Pulse, Wei-Ping Yu, Ye-Dong He, Li-Na Zhang, De-Ren Wang

Journal of Electrochemistry

The basic rule and influence factors on deposition of ZrO₂ and ZrO₂-Y₂O₃ coatings by high energy pulse were studied. After the oxidizing experiment in air at 1 000 for 100 h, it was shown that the oxidation resistance of 18-8 stainless steel was marketly enhanced by depositing ZrO₂ and ZrO₂-Y₂O₃ coatings. The oxidation resistance was increased about 20 times and the oxide scale spallation resistance was increased about 100 times.

Some Electrochemical Studies On The Bionic Nereistoxin Pesticide-(Ch3)2Nhch(Ch2S2O3)2Na⋅H2O, Chang-Geng Zhang

Journal of Electrochemistry

A study of cyclic voltammetric behavior of the nereistoxin pesticide known as Shachongdan is reported. The effects of scan rate, electrolyte pH, and concentration are discussed.The study shows that this electrode process is an irreversible electrode reaction. The saturate adsorption of dihydronereistoxin on the electrode is also discussed with the saturate adsorption amount of 8.23×10^-10 mol/cm².

Study On The Hydrogen Permeation Through Zinc Electrodeposit, Jiang-Li Cao, Ji-Xun Wu, Yan-Ping Lu, Jie Shi

Journal of Electrochemistry

The electrochemical hydrogen-permeation technique was used to study hydrogen permeation through zinc electrodeposit with bilayer specimens of Fe substrate/zinc electrodeposit. The effect of coating thickness on hydrogen diffusion coefficient and hydrogen steady-state flux was studied. The results showed that hydrogen diffusion coefficient was approximately in the range of 10-11 cm²·s^-1 rank and zinc coating could retard hydrogen permeation. Accordingly, hydrogen steady-state flux and effective diffusion coefficient declined while the coating thickness increased.

Effect Of Inhibitor On Electrochemical Behavior Of 1cr18 Stainless Steel In Acidic Solution Under Friction, Jin-Ping Xiong

Journal of Electrochemistry

The electrochemical behavior of 1Cr18 stainless steel had been studied using a reciprocating triboelectrochemical equipment under friction in 0.2 mol/L H₂SO₄ solution with and without addition of thiourea, the frictionized surface of 1Cr18 stainless steel had been examined by the SEM, XPS and IR. The results showed that the loss rate of 1Cr18 stainless steel in the solution could be reduced by addition of thiourea. The adsorption of thiourea on the surface of 1Cr18 stainless steel prohibited the oxidization of Cr³⁺ to form Cr(Ⅵ) and formation of passive film consisting of CrO₄^2- or/and Cr(Ⅵ), …

Oxidation And Adsorption Of Deoxyribonucleic Acid At Highly Ordered Pyrolytic Graphite And Glass Carbon Electrode, Jian-Zhang Zhou, Ling-Ling Wu, Jin Luo, Zhong-Hua Lin

Journal of Electrochemistry

It is shown that calf thymus DNA (CT DNA) can be adsorbed at highly ordered pyrolytic graphite (HOPG) electrode and detected by differential pulse voltammetry (DPV) and electrochemical atomic force microscopy (ECAFM). It is found that controlled potential pre-polarization influences largely the adsorption of dsDNA while it has little influence on ssDNA. It is demonstrated that ECAFM is useful to exploit adsorption of DNA at HOPGE. The pattern of adsorption of DNA at HOPG electrode that fits best with the experimental data is proposed. The results aslo shows that UV/Vis reflection spectroscopy, which has not been used in studying electrochemical …

May 27th 1999, Csusb

Coyote Chronicle (1984-)

No abstract provided.

Montana Students Place At International Science Fair, University Of Montana--Missoula. Office Of University Relations

University of Montana News Releases, 1928, 1956-present

No abstract provided.

Preface (1999), Association Of Christians In The Mathematical Sciences

ACMS Conference Proceedings 1999

Twelfth ACMS Conference on Mathematics from a Christian Perspective

Introduction (1999), Association Of Christians In The Mathematical Sciences

ACMS Conference Proceedings 1999

Twelfth ACMS Conference on Mathematics from a Christian Perspective

The Faculty Recognition Dinner 1999, Western Michigan University

Faculty Recognition

The Faculty Recognition Dinner Program

May 27, 1999

Honored Guests:

• Mary Ann Bush
• Anna Campbell
• Lewis Carlson
• Dennis Darling
• Thomas Deckard
• David Diget
• Susan Hannah
• Robert Humiston
• Edgar Inselberg
• Edward Jayne
• J. Michael Keenan
• Robert Luscombe
• David Lyon
• Marcia Mascolini
• Ruth Ann Meyer
• Philip Micklin
• Ellen Page-Robin
• Ronald Sackett
• Uldis Smidchens
• Charles Spaniolo
• Hans Stolle
• Curtis Swanson
• Shirley Van Hoeven
• Lewis Walker
• Leard Wylie

Self-Association Of Rifamycin B: Possible Effects On Molecular Recognition, Daniel W. Armstrong, Jeffrey Schneiderheinze, Usha Nair, Linda J. Magid, Paul D. Butler

Chemistry Faculty Research & Creative Works

The macrocyclic antibiotic rifamycin B was found to be highly surface-active and to aggregate in aqueous solution. The aggregational behavior was studied using small-angle neutron scattering (SANS). Aqueous solutions of rifamycin B showed pronounced scattering at both small-length scales (Q ≥ 0.1 Å-1) and at large-length scales (Q ≤ 0.1 Å-1). The larger association colloids appear to be rather open low-density aggregates. The addition of 10% 2-propanol greatly reduces the number and size of the aggregates. Somewhat higher amounts of alcohol appear to completely suppress or eliminate aggregation. The suppression of aggregation coincides with the appearance and enhancement of enantioselective …

May 26, 1999 Cal Poly Report, Public Affairs Office

Cal Poly Report

No abstract provided.

Minutes Of The Faculty Senate Meeting, May 26, 1999, University Of Arkansas, Fayetteville. Faculty Senate

Faculty Senate Minutes

No abstract provided.

05/26/1999 - Willems Receives Eiu School Of Business Award, University Marketing And Communications

1999

No abstract provided.

Schedule (1999), Association Of Christians In The Mathematical Sciences

ACMS Conference Proceedings 1999

Twelfth ACMS Conference on Mathematics from a Christian Perspective

Metallicity Calibration Of A Ddo Cn Index And Other Low-Resolution Indices For G And K Stars, B. J. Taylor

Faculty Publications

Metallicity calibrations of low-resolution parameters are potentially useful for (at least) two problems: the properties of moving groups, and the supermetallicity problem in K giants. In this paper, metallicity calibrations are derived for six sets of parameters. One of these parameters is the DDO CN index deltaCN. This parameter and three others are calibrated for use with evolved G and K stars. Two additional sets of low-resolution parameters are calibrated for use with G and K dwarfs. The calibrations are derived by comparing the input data with two catalogs of homogenized high-dispersion results from diverse authors (see Taylor 1995, 1999a). …

Table Of Contents (1999), Association Of Christians In The Mathematical Sciences

ACMS Conference Proceedings 1999

Twelfth ACMS Conference on Mathematics from a Christian Perspective

As-527-99 Resolution On Development Of A Research And Professional Development Infrastructure At Cal Poly, Research And Professional Development Committee

Academic Senate Resolutions

Provides recommendations for research and professional development at Cal Poly.

Z-Protected Glutamic Acid-Based Biodegradable Thermoplastic And Thermosetting Polyesters: Synthesis And Characterization, R. M. Tadros, Hossein Noureddini, Delmar C. Timm

Papers in Biomaterials

Biodegradable polymers were formed from N-benzyloxycarbonyl-L-glutamic acid with the comonomers ethylene glycol, diglycidyl ether of 1,4-butanediol, and diglycidyl ether of bisphenol A. The three polymers were a linear and a cross-linked heterochain polyester and a cross-linked polyester that contained aromatic units within its network chains. The thermoplastic resin and the soluble fractions for the thermosetting resins were characterized by gel permeation chromatography. Conversions for carboxylic acid were determined by titrations. A quality, 22,000 molecular weight thermoplastic resin was formed. The two thermosets were cured past their gel points. Gelation analysis revealed that the relative rate constants for the sequential oxirane/acid …

Independent- May 25, 1999, Laura R. Hadley

The Independent (1988-present)

No abstract provided.

Optically Pumped Electron Spin Filter, Herman Batelaan, A. S. Green, B. A. Hitt, Timothy J. Gay

Timothy J. Gay Publications

This paper reports the first experimental demonstration of an optically pumped electron spin filter. Unpolarized electrons produced in a cold-cathode discharge drift through a mixture of spin-polarized Rb and a nitrogen or helium buffer gas. Through spin-exchange collisions with the Rb, the drifting electrons become polarized along the optical pumping axis. We study the role of the buffer gas in both the optical pumping and the spin transfer to the free electrons. This spin filter produces electron beams with currents and polarizations comparable to first-generation GaAs polarized electron sources.

"Quadrupolar" Molecular Nonlinear Optics, V. Ostroverkhov, O. Ostroverkhova, Kenneth D. Singer, L. Sukhomlinova, R. J. Twieg

Faculty Scholarship

Quadrupolar and octupolar invariants may be used as methods to attain noncentrosymmetric materials for application in second order nonlinear optics. The structure-property relationships for the J = 2, or quadrupole rotational invariant, are investigated. Proper citation for the Technical Digest CD-ROM should be written in the following format: Ostrovekhov V., Ostroverkhova O., Petschek R.G., Singer K.D., Sukhomlinova L., Twieg R.J., “`Quadrupolar' molecular nonlinear optics,” in the Conference on Lasers and Electro-Optics (CLEO)/The International Quantum Electronics Conference (IQEC) (Optical Society of America, Washington, DC, 2009), Proceedings, 8-9

1999 Commencement Program, University Of Alabama In Huntsville

Commencement Programs

No abstract provided.

Commencement 1999

Commencement Programs

No abstract provided.

Commencement Program [Spring 1999], Clark University

Commencement Programs

Annual Commencement Program for graduation ceremonies at Clark University, held on May 23rd, 1999.

Commencement 1999 Taylor University, Taylor University

Commencement

The program of the 1999 Annual Commencement of Taylor University, May 22, 1999.

Undergraduate Commencement Exercises Program, May 22, 1999.

Bryant University Commencements

Bryant University Undergraduate Commencement Exercises Program, May 22, 1999.

1999 Spring Commencement Program: Winona State University, Winona State University

WSU Commencement Programs

This is the Winona State University 1999 Spring commencement program. Commencement was on Friday, May 21, 1999.

Western News, May 20, 1999, Western Michigan Univeristy

Western News (1972-2018)

Story highlights: University stops accepting fall 1999 freshman applications; closes class, Senate subcommittee supports funding boost for WMU; conference committee is next step, Year-to-date gifts to WMU Foundation top $9 million, Senate approves research policies, hears presentation on classroom civility, Green campus audit will review University's environmental efforts.

Particle Sizing In Strongly Turbid Suspensions With The One-Beam Cross-Correlation Dynamic Light-Scattering Technique, Anthony J. Adorjan, James A. Lock, Thomas W. Taylor, Padetha Tin, William V. Meyer, Anthony E. Smart

Physics Faculty Publications

The utility of the one-beam cross-correlation dynamic light-scattering system for sizing small particles in suspension was previously limited by its small-intensity signal-to-baseline ratio for strongly turbid suspensions. We describe three improvements in the optical system and sample cell that raise the ratio to a value comparable with that of other cross-correlation dynamic light-scattering systems. These improvements are (i) using a square cross-sectional sample cell to minimize the attenuation of the incident beam and singly scattered light, (ii) placing a 200-mu m-wide slit between the sample cell and the detector fibers to mask off the region of weak single scattering and …