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English
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Article
Relationship between planning and market as seen by China in her socialist economy
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Article
Microstructure, mechanical properties and heat treatment of new matrix steel 65Cr4W3Mo2VNb with high strength and toughness
A new matrix steel 65Cr4W3Mo2VNb, identified as 65Nb (Cb), is described. It has high strength and high toughness, obtained by an optimum combination of alloying, heat treatment and thermochemical treatment. It...
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Chapter and Conference Paper
Geographical Distribution of Paddy Soils in China
Paddy soils are developed under anthropogenic actions. Their geographical distribution comes under influence by local conditions and is to a great extent affected by human activities. Here is a discussion abou...
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Chapter and Conference Paper
A Comparative Study on Methods of Tillage of Paddy Soils in Taihu Lake Region
The principal rotation system in Taihu Lake Region is rice-wheat rotation. The traditional method of tillage is such that in the cultivated layer there is an upper sub-layer with muddy paste and a lower sub-la...
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Chapter and Conference Paper
On the Characteristics of Leaching and Accumulation of Chemical Elements in Two Eutric Paddy Soils in Taoyuan County, Northern Hunan Province
The leaching and accumulation of chemical elements in the process of soil formation play an important part in revealing soil development and soil fertility. Based on the data obtained from the chemical determi...
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Chapter and Conference Paper
The Magnetic Susceptibility Distinction of Paddy Soils in Taihu Lake Region
Soil magnetism is a new branch of pedology which makes use. of magnetic techniques in the study of soils(l). The present paper gives some results of an attempt to classify paddy soils of the Taihu Lake region ...
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Article
Development of temperature-compensated resistance strain gages for use to 700°C
This paper describes the development and evaluation of temperature-compensated resistance strain gages for use to 700°C (1292°F). These gages included single-element gage and double-element gages. The filament...
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Article
Reconstruction of the summer rainfall regime for the last 500 years in China
The anomalies of summer rainfall (June–August) for the last 500 years in China have been estimated according to the relationship between the instrumentally observed rainfall and the degrees of floods and droug...
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Article
Recognition of digitalis intoxication in the presence of atrial fibrillation: Analysis of 167 cases
995 patients with atrial fibrillation were treated with digitalis. Of them 167 developed digitalis intoxication in the form of various arrhythmias, and 20 (12%) died of severe intoxication. The occurrence of a...
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Article
Preparation and analysis of high-T c Nb-Ge films
The dependence of Tc on sputtering conditions, chemical composition, and phase structure for Nb-Ge films has been studied. It was found that Tc varied with composition, but was not dependent on exact stoichiometr...
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Article
The compressive properties of long bones
In this study, compressive tests of the bones along the axial direction have been carried out on some wet specimens of the right femur and humerus, from which there have been obtained the elastic modulus of fe...
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Chapter
Separation of the Rare Earths and Some Polyvalent Cations on Inorganic Ion Exchangers
Inorganic ion exchangers have been found to have excellent selectivity for the alkali metals and alkaline earths (1). We have investigated inorganic ion exchangers for the separation of the rare earths and oth...
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Article
REE distribution patterns of granites in South China
REE determinations were conducted for their respective contents on granitoid rocks in South China, which differ in age, composition and origin, by means of chemical-X-ray fluorescence spectrometry and instrume...
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Article
Processing technique for ultrasound images
Ultrasound images are sometimes difficult to reproduce repeatedly and perfectly when operating a complicated instrument, especially in regard to the amplifier gain. Thus the logarithm-differential processing (...
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Article
Organic and inorganic interpretations of the martian UV–IR reflectance spectrum
Although some data from the Viking Lander biology experiments can be interpreted as indicative of biological activity, the existence of organisms in the martian soil samples is considered unlikely because of t...
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Article
The significance of determination of na+, k+ in red blood cells in diagnosis and management of digitalis intoxication
Intraerythrocytic K+ and Na+ were determined to study their significance in diagnosing and treating digitalis intoxication.
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Article
Geochemistry of uranium in sediments of the Bohai Gulf, China
The following conclusions can be drawn from the work reported in this paper:
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Sixteen samples were determined for uranium by sp...
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Article
Magnetic interactions possessing point group symmetry and their application to ruby
By utilizing the magnetic interactions possessingC 3v symmetry, the author has deduced the general expressions for theg-factors, zero-field splitting and effective magnetic moment...
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Article
Photoemission experiments on the valence band of transition metal trichalcogenides
We present a synchrotron radiation photoemission study of the upper-valence-band states of four ZrSe3-structure compounds: ZrS3, ZrSe3, ZrTe3 and HfSe3. The sulphide and selenide spectra exhibit a characteristic ...
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Article
Structural deformation in polyethylene during cold-drawing
A permanganic etching technique is used to study the morphology of blow-moulded polyethylene before and after cold-drawing. The morphological changes that occur in the necked region during drawing are also exa...
