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Chapter
Conference Paper
**yu Xu
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Chapter and Conference Paper
Investigation on Ecological Distribution of Fungi in Paddy Soils
Paddy soils are derived from various kinds of parent materials under wet cultivation over different parts of China. They developed through repeated and alternate processes of oxidation and reduction. They are ...
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Chapter and Conference Paper
Influence of Transformation of Iron Oxides on Soil Structure
Although iron oxides in soils are the secondary component of soil clay, they have attracted the attention of many soil chemists. This is because iron oxides are highly active, are easily changed with a change ...
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Chapter and Conference Paper
The Effect of Water-Stable Aggregates in Various Sizes on Air and Water Regime of Soils
Studies in recent years indicate that some of the paddy soils in the Taihu Lake region have become degenerated in structure owing to the management practice unadaptable for the current triple crop** system w...
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Chapter and Conference Paper
Crop** System in Relation to Fertility of Paddy Soils in China
China has a long history of rice cultivation. It is demonstrated that rice has been cultivated for more than five thousand years in the country. Following the social development and scientific and technologica...
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Chapter and Conference Paper
Differentiation of Iron Oxide in Paddy Soils in Taihu Lake Region
In the genesis of paddy soils the differentiation of iron oxid is one of the main causes for forming specific morphological profiles. In this paper, based on the contents of total iron, free iron oxide and amo...
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Chapter and Conference Paper
Clay Minerals of Paddy Soils in Taihu Lake Region
The Taihu Lake is situated in the northern part of subtropics, with a mild and humid climate. According to the results of primary mineral analysis(l), the minerals in the silt fractions are less weathered with...
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Chapter and Conference Paper
Some new developments of the singularity-separating difference method
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Chapter and Conference Paper
Intracranial Hemorrhage and Hematoma Following Open-Heart Surgery
Neurological damage following open heart surgery has been a subject of much concern ever since the employment of cardiopulmonary bypass in cardiac operations. Various lesions including cerebral edema, petechia...
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Chapter and Conference Paper
Experimental Investigation of Prism-Grating Couplers
We have proposed and produced a novel structure, so-called “prism-grating” coupler, to excite guided modes in film waveguide by an incident beam of laser. The coupler is a composite structure consisting of a p...
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Chapter and Conference Paper
Versatile codes and effective method for orbit programming with actually existing first harmonics in cyclotron
A brief description of the program peculiar features is given. the effective method and systematic procedure for orbit programming with actually existing first harmonics by using above codes are summarized.
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Chapter and Conference Paper
Ultrastructural studies on the reproductive organs of Porphyra haitanensis T. J. Chang et B. F. Zheng
Whether sexual reproduction occurs in the genus Porphyra has long been debated. Even in the species that are considered to reproduce sexually, there is also some difference of opinion as to the site of meiosis (T...
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Chapter and Conference Paper
Low-Energy Electron Diffraction Study of the (2x2) GaAs(111) Surface
We have used a multiple scattering theory of low-energy electron diffraction to determine the geometric structure of (2x2) GaAs(111). We find that there is one vacancy per (2x2) unit cell. Orbital rehybridizat...
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Chapter and Conference Paper
On conformally covariant energy momentum tensor and vacuum solutions
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Chapter and Conference Paper
The Reversibility of Kapitza Resistance
Although research of the Kapitza resistance has continued for many years, there still is not a definite and quantitative result for the reversibility of the effect (1,2). The reason lies in the technical diffi...
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Chapter and Conference Paper
Nonlinear Prism Coupling and Propagation in Nonlinear Waveguides
Nonlinear waveguide theory has been shown to lead to a variety of intriguing phenomena [1]. Two of these effects have been studied experimentally: nonlinear prism coupling and propagation in nonlinear waveguides.
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Chapter and Conference Paper
Discussion of Meaning and Definition of UT
The new definition of UT1 adopted by the IAU is useful but for many reasons not quite satisfactory. It depends e. g., 1) on the approximate values of some astronomical constants, and is therefore subject to re...
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Chapter and Conference Paper
A big event of latest Ordovician in China
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Chapter and Conference Paper
Optimum Positions for the Nodes in Discontinuous Boundary Elements
This paper studies the optimum position of the nodes in discontinuous linear boundary elements, to obtain the most accurate results. Previous work on discontinuous elements has demonstrated their advantages in...
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Chapter and Conference Paper
The Calculation and Analyses of the Influence of Compression Loads for Fatigue Crack Propagation
There are some needs to investegate the influence of compression loads for fatigue crack propagation in practical engineering. For the evaluation of the influence of compression loads, the finite element analy...
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Chapter and Conference Paper
Generalized theory and some specializations of the Region Contraction Algorithm I — Ball operation
We describe a new algorithm named Region Contraction Algorithm for solving certain nonlinear equations, and establish the convergence of the algorithm and give an error estimation. It is shown that this genera...
