A series of experiments using paramagnetic resonance at microwave frequencies and in the 1-4\ifmmode^\circ\else\textdegree\fi{}K temperature range on ${\mathrm{Gd}}_{2}$${\mathrm{Mg}}_{3}$${({\mathrm{NO}}_{3})}_{12}$\ifmmode\cdot\else\textperiodcentered\fi{}24${\mathrm{H}}_{2}$O, ${\mathrm{K}}_{3}$Cr${(\mathrm{CN})}_{…

Advanced NMR Techniques and ApplicationsMagnetism in coordination complexesElectron Spin Resonance Studies

Band Structure of Graphite

J. C. Slonczewski、P. R. Weiss1958-01-15OpenAlex

Tight-binding calculations, using a two-dimensional model of the graphite lattice, lead to a point of contact of valence and conduction bands at the corner of the reduced Brillouin zone. A perturbation calculation which starts with wave functions of the two-dimensional lattice and is applied to the three-dimensional l…

Carbon Nanotubes in CompositesPhotonic Crystals and ApplicationsGraphene research and applications

A Study on the Degree of Cotton Opening. Part 4

Mikio Kato、K. Yoshida1958-01-01Sen'i Kikai Gakkaishi

研究目的混打綿工程における各機台の開綿程度を定量的に測定するのが目的である開綿には綿塊 (以下タフトと記す) の分割と開舒の両作用がある.タフトの分割は各機台で生じたタフトの平均重量から求め, タフトの開舒についてはタフトの見掛けの比積の値から開綿度を定量的に考えることにした.各機台より採取したタフトの重量と見掛けの体積から見掛けの比積を求め, これの大小をもって開綿度の大小をあらわすことにした.別にタフトの見掛けの体積を測定するのに光線利用の簡単な方法を用い, それによる結果を本実験の結果と比較検討した.研究結果(1) 全体についてはH.B. B., P. O., C. O., H. F. およびF. S. の順序で開綿度は上昇…

Textile materials and evaluationsResearch in Cotton Cultivation

Study on Combing Action and Comber Waste in a Cotton Comber

T. Yamagishi、E. Koyama、H. Kuroe1958-01-01Journal of the Textile Machinery Society of Japan

In this article the authors seek to compute the percentage of comber waste, to make some modifications or improvements in the constitutent parts of the combers now in use, and to find a guide to further study on the subject. As regards combing action in a cotton comber, we have made some theoretical approaches from th…

Textile materials and evaluations

VISCOELASTIC STUDIES OF TEXTILE FABRICS

Yukichi Go、Akira Shinohara、Fusae Matsuhashi1958-01-01Sen i Gakkaishi

(1) The stiffness of textile fabrics depends upon its bending directions, and in general the stiffness in bias directions is relatively small.(2) In so far as the bending is concerned, the fabrics are like 2-plywood but when woven into typical ribs in one direction they become like in mono-plywood.(3) The stiffness in…

Textile materials and evaluations

Contribution a l'etude de quelques Asteropyginae (trilobites)

J. Pillet1958-01-01Bulletin de la Société Géologique de France

Abstract Type species for the trilobite genus Pseudocryphaeus and the subgenus Asteropyge (Metacanthina), proposed and briefly described in 1953, are here described in detail, as well as several related forms, including the new subspecies A. (M.) oehlerti praecursor and P. michelini barroisi.

Plant Pathogens and Fungal DiseasesDiatoms and Algae ResearchPlant Diversity and Evolution

Solid Phase Reaction between Calcium Carbonate and Silica

Satoru Kakitani、Masayoshi FUJISAKA1958-01-01Journal of the Ceramic Association Japan

In order to build up a background to the relative difficulty for burning the different raw materials in cement production the solid phase reactions between SiO2 and either CaCO3 or BaCO3 at the temperatures ranging 500°-800°C were studied by measuring the amount of CO2 liberated during the reaction. Then, applying the…

Calcium Carbonate Crystallization and Inhibition

Studies on the Phase Transformation in Cu-Al Binary Alloys (1st Report). On the Duplicate Phenomena of the Martensite Transformation in Eutectoid Constituent Alloy

Hiroyasu Mitani、Norihiko Nakanishi1958-01-01Journal of the Japan Institute of Metals and Materials

We have studied the martensite transformation of Cu-Al binary alloys which contained 12, 18%Al. From the results of our experiment, we found that there were two types of β′ transformed from β by martensitic way when β was cooled with different velocities. The one type occurred when the Vc (cooling velocity) became gre…

Aluminum Alloy Microstructure PropertiesMetallurgical and Alloy ProcessesQuasicrystal Structures and Properties

Le spectromètre Fabry-Perot intégral

R. Chabbal1958-01-01Journal de physique

Les qualités de luminosité et de résolution du spectromètre F.-P. justifient la généralisation de son emploi à divers domaines de la spectroscopie où seuls le prisme et le réseau sont habituellement utilisés ; mais cette généralisation n'est effectivement possible que si le spectromètre F.-P. est transformé en spectro…

Porphyrin and Phthalocyanine Chemistry

Corrosion of the Zinc Electrode in the Silver-Zinc-Alkali Cell

T. P. Dirkse、F. de Haan1958-01-01Journal of The Electrochemical Society

A study has been made of the factors that affect or bring about the corrosion of the zinc electrode in a silver‐zinc‐alkali cell. Cells containing 30% potassium hydroxide as electrolyte were used and kept at room temperature. Special attention was centered on open circuit or stand conditions. This corrosion is affecte…

Fuel Cells and Related MaterialsCorrosion Behavior and InhibitionSupercapacitor Materials and Fabrication

Isolation of carrier-free yttrium from the radioactive strontium-yttrium system by electrodeposition

Hiroshi Hamaguchi、Nagao IKEDA、Toshi Kawashima1958-01-01BUNSEKI KAGAKU

電解により90Sr-90Y中性溶液から高純度の無担体90Yを単離する迅速法を報告した.放射化学的純度は99.9%以上であり収量を問わないならば無担体90Yを数分間で調製することができる.90Sr-90Y溶液をpH5～6に調節し,白金を両極(陰極には銅を代用してもよい)として2～6ボルトの電圧をかけると無担体90Yが陰極にだけ析出する.陰極上とのイットリウムは使用目的に応じて酸で溶出することができる.電解液の支持塩は硝酸アンモニウム,硫酸アンモニウム,塩化アンモニウムのいずれでもよい.ストロンチウムの担体を含むときには硫酸塩を使えないことはいうまでもない.

Nuclear Materials and PropertiesThermodynamic and Structural Properties of Metals and AlloysNuclear reactor physics and engineering

The Preparation of Cadmium Niobate by an Anodic Spark Reaction

William McNeill1958-01-01Journal of The Electrochemical Society

A new method of preparing cadmium niobate was demonstrated. This method involved the anodic spark reaction of cadmium in a niobate solution and crystallization of the anode product by heating at 650°C. The crystallized anode product was made into a solid wafer by pressing it at 350,000 psi, and electrical measurements…

Nuclear materials and radiation effects

The gelation of montmorillonite

H. van Olphen、Marjorie B. M'Ewen、Margaret I. Pratt1958-01-01Transactions of the Faraday Society

H. van Olphen, M. B. M'Ewen and M. I. Pratt, Trans. Faraday Soc., 1958, 54, 144 DOI: 10.1039/TF9585400144

Clay minerals and soil interactions