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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...

    Zhao Cheng-zhai, Zhou Zheng-du, Dong Bo-shu in Proceedings of Symposium on Paddy Soils (1981)

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    Chapter and Conference Paper

    The Status of Microelements in Relation to Crop Production in Paddy Soils of China: I. Boron

    The paddy soils are a kind special cultivated soils, Their chemical characteristics are radically different from those of normal upland soils. Some nutrients are moblized and translocated, while others remain ...

    Liu Zheng, Zhu Qi-qing in Proceedings of Symposium on Paddy Soils (1981)

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    Chapter and Conference Paper

    The Status of Microelements in Relation to Crop Production in Paddy Soils of China: III. Zinc

    Zinc deficiency is the most common problem in paddy soils. Since the disorder was reported, it has become recognized as an important and widespread problem(l). In China, zinc deficiency is also found and it di...

    Zhu Qi-qing, Liu Zheng in Proceedings of Symposium on Paddy Soils (1981)

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    Chapter and Conference Paper

    A Retarding-Accelerating Energy Analyser for SIMS

    It is well known that secondary ion energy spectra can give us much interesting information. As a very high energy resolution is not needed for most cases, the retarding-accelerating energy analyser (derived f...

    Cha Liang-Zhen, Xue Zu-Qing, Zheng Zhao-Jia in Secondary Ion Mass Spectrometry SIMS IV (1984)

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    Chapter and Conference Paper

    The BEM Scheme for Axisymmetric Dynamic Torsion Problems and the Evaluation of Dynamic Stiffnesses of the Foundation

    This study is devoted to the two aspects:

    1. Develops the BEM for axisymmetric torsion problems from statics (Mayr 1977) to dynamics;

      ...

    Zheng-qing Chen in Computational Methods and Experimental Measurements (1984)

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    Chapter and Conference Paper

    The Mathematical Modelling of Cocurrent Spray Drying

    A mathematical model has been developed with the droplet size distribution being taken into account with a volume frequency function. The model is adequate in describing the overall behaviour of spray dryers. ...

    Wu Yuan, Fu Jufu, Zheng Chong in Drying ’85 (1985)

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    Chapter and Conference Paper

    Surface-Enhanced SHG Study on Langmuir-Blodgett Mono-Molecular Layers

    There is growing interest in the study of the classic Langmuir-Blodgett (LB) mono-molecular layers in recent years. Linear optical properties of LB film have been studied thoroughly with surface plasmon spectr...

    Zhan Chen, Wei Chen, Jia-biao Zheng, Wen-cheng Wang in Laser Spectroscopy VII (1985)

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    Chapter and Conference Paper

    The Main Features of the 1.56-M Telescope and its Status Quo

    This telescope was designed for determining the trigonometric parallaxes of faint stars. The otpical configuration is a Ritchey-Chrétien system and has only a f/10 Cassegrain focus for photographic work.

    Wan Lai, Zhu Neng-hong, Wang Lan-juan in Instrumentation and Research Programmes fo… (1986)

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    Chapter and Conference Paper

    Design Characteristics of the 1.56 m Astrometric Telescope and its Usage in Astrometry

    The 1.56m astrometric telescope (Fig. 1) is designed mainly for determining trigonometric parallaxes of faint stars.

    Wan Lai, Zhu Neng-hong, Wang Lan-juan, Yang Zheng-hua in Astrometric Techniques (1986)

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    Chapter and Conference Paper

    Stochastic variational principle and diffusion processes

    In this paper, we give a method to construct diffusion process with constant diffusion coefficient by a stochastic variational principle. The result is very similar to the classical case. We discuss also the r...

    Ph. Blanchard, Zheng Weian in Stochastic Processes in Classical and Quantum Systems (1986)

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    Chapter and Conference Paper

    Study of Adsorbates on a Silver Surface by Sum-Frequency Generation with Surface Plasmon Waves

    Enhanced optical phenomena produced by the excitation of surface plasmon waves (SPWs) for surface studies have been employed extensively in the past years. Most of the non-linear optical effects on surfaces ha...

    Z. Chen, Y. J. Liu, J. B. Zheng, Z. U. Zhang in Laser Spectroscopy VIII (1987)

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    Chapter and Conference Paper

    The Sampling Theory of the Binary Random Field Decides the Relation about Point and Plane of the Extra Rainstorms

    This paper studies the theoretical relation of rainstorm point-area coefficient and raises a correlation function sampling theorem. For the white noise of low frequency band-limitedand the stochastic process o...

    Zheng-guo Pei in Hydrologic Frequency Modeling (1987)

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    Chapter and Conference Paper

    Determination of Selenium Contents in Sera, Hair and Glutathione Peroxidase Activities in Whole Blood of Nasopharyngeal Carcinoma (NPC) Patients

    The selenium contents in sera from 50 NPC patients (29 males, 21 females) and 56 healthy persons (29 males, 27 females) in an NPC high risk area, Sihui county, Guangdong Province were analyzed by fluorimetry w...

    Jia-chen Huang, Rong-pu Yang, Mei-lian Zheng in Selenium in Biology and Medicine (1989)

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    Chapter and Conference Paper

    A Simulation of the Wing Leading-Edge Vortex and its Entrainment Effect

    A numerical method for calculating the longitudinal aerodynamic coefficients and the lifting pressure distributions of wings with edge separation is presented. The computed model can include the effects of the...

    S. W. **ong, Y. N. Feng, B. Zheng in Separated Flows and Jets (1991)

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    Chapter and Conference Paper

    Dynamic Response of a Viscoelastic Circular Plate on a Viscoelastic Half Space Foundation

    In the present paper, a dynamic problem of a thin viscoelastic circular plate under axisymmetric loads and resting on a viscoelastic half-space is discussed. This problem is reduced to a Fredholm integral equa...

    Yang Ting-Qing, Wang Ren, Yang Zheng-Wen in Creep in Structures (1991)

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    Chapter and Conference Paper

    Harmonic boundaries and poisson integrals on symmetric spaces

    Xue an Zheng in Harmonic Analysis (1991)

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    Chapter and Conference Paper

    Superconducting transport properties and surface microstructure for YBa2Cu3O7-δ-based superlattices grown by pulsed laser deposition

    YBa2Cu3O7−δ/PrBa2Cu3O7−δ, YBa2Cu3O7−δ/Pr0.7Y0.3Ba2Cu3O7−δ, and YBa2Cu3O7−δ/Pr0.5Ca0.5Ba2Cu3O7−δ superlattice structures have been grown by pulsed laser deposition. The superconducting properties of these YBa2Cu3O

    David P. Norton, Douglas H. Lowndes, X. Zheng in Laser Ablation Mechanisms and Applications (1991)

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    Chapter and Conference Paper

    Crystallographic Studies of the Catalytic Subunit of cAMP- Dependent Protein Kinase

    The cAMP-dependent protein kinase (reviewed in Beebe and Corbin, 1986) is a tetrameric enzyme, probably ubiquitous in eukaryotic cells, composed of two regulatory and two catalytic (C) subunits. Upon binding c...

    Daniel R. Knighton, Jianhua Zheng in Cellular Regulation by Protein Phosphoryla… (1991)

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    Chapter and Conference Paper

    On p-adic cantor function

    Weixing Zheng in Harmonic Analysis (1991)

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    Chapter and Conference Paper

    Simulation and Estimation Procedures for Stress Release Model

    The stress release model is a piecewise linear Markov Process similar to the collective risk model,in which the observations consist of the times and sizes of the Jumps, which are taken to represent the times ...

    Ann-Lee Wang, David Vere-Jones in Stochastic Processes and their Applications (1991)

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