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  1. No Access

    Article

    Mixture of populations

    A simple example simulating a mixture of two normal populations results in some important observations, nonnormality and nonsymmetry of the mixture conditional pdf, nonlinearity of the conditional mean as a fu...

    Hua Zhu, André G. Journel in Mathematical Geology (1991)

  2. No Access

    Article

    Environmental characteristics of regional groundwater in relation to fluoride poisoning in North China

    More and more data indicated that high- or low-fluoride-bearing drinking water led to endemic diseases in which fluoride poisoning was caused by high levels of fluoride (fluoride ion content >1.0 mg/I) in drin...

    Yong Liu, Wan Hua Zhu in Environmental Geology and Water Sciences (1991)

  3. No Access

    Chapter and Conference Paper

    A New Surgical Technique for Venous Reconstruction: The Nonpenetrating Clip

    The surgical principles governing venous reconstruction remain uncertain in contrast to the standardized principles of arterial corrective surgery. The technical difficulties attending venous reconstructions, ...

    Yong Hua Zhu, Wolff M. Kirsch in Modern Vascular Surgery (1992)

  4. No Access

    Article

    Effects of long-term daily administration of prostaglandin-E2 on maintaining elevated proximal tibial metaphyseal cancellous bone mass in male rats

    The effects of long-term prostaglandin E2 (PGE2) on cancellous bone in proximal tibial metaphysis were studied in 7-month-old male Sprague-Dawley rats given daily subcutaneous injections of 0, 1, 3, and 6 mg PGE2

    Hua Zhu Ke, Webster S. S. Jee, Satoshi Mori, **ao Jian Li… in Calcified Tissue International (1992)

  5. No Access

    Article

    The tropical rainforest vegetation in **shuangbanna

    The tropical rainforest in **shuangbanna, Yunnan Province of China, is introduced in detail in this paper. Situated at the northern margin of tropical mainland SE Asia and controlled by monsoon climate, the re...

    Hua Zhu in Chinese Geographical Science (1992)

  6. No Access

    Article

    Calculation of the field distribution of a Ti:LilNbO3 optical waveguide and its applications

    Ning Hua Zhu, **ng Shi Zheng, Yl Kun Lin, **ang Yu in Optical and Quantum Electronics (1992)

  7. No Access

    Article

    Wild-type p53 activates transcription in vitro

    THE p53 protein is an important determinant in human cancer and regulates the growth of cells in culture1–3. It is known to be a sequence-specific DNA-binding protein4,5 with a powerful activation domain6–8, but ...

    George Farmer, Jill Bargonetti, Hua Zhu, Paula Friedman, Ron Prywes, Carol Prives in Nature (1992)

  8. No Access

    Chapter

    Formatting and Integrating Soft Data: Stochastic Imaging via the Markov-Bayes Algorithm

    Under a Bayesian framework both hard and soft data can be encoded as local prior (also called pre-posterior) probability distributions. These local prior distributions are then updated into posterior distribut...

    Hua Zhu, André G. Journel in Geostatistics Tróia ’92 (1993)

  9. No Access

    Article

    A simple variational analysis of diffused channel waveguides

    The variational analysis of Ti:LiNbO3 strip waveguides is resolved into two related one-dimension problems, which provides a new iterative approach for the calculation of the mode parameters and the propagation c...

    Ning Hua Zhu, Ren Ming Wang in Optical and Quantum Electronics (1993)

  10. No Access

    Article

    Analysis of electrooptically induced waveguides in strontium barium niobate and optical modulators

    An electrooptically induced optical waveguide can be formed by applying a DC voltage between electrodes fabricated on the surface of a crystal with strong electrooptic coefficients (for example, strontium bari...

    Ning Hua Zhu, Zi Qian Wang in Optical and Quantum Electronics (1993)

  11. No Access

    Article

    Influence of rare earth element additions on phase transformations in the Zn−27% Al alloy

    Rare earth additions of 3 wt. % were added to the Zn−27% Al−2% Cu−0.02% Mg alloy, known as ZA-27. The as-cast microstructure of this alloy consisted of two phases of supersaturated face-centered cubic β′s and α′s

    Yao Hua Zhu, Frank E. Goodwin in Journal of Materials Research (1993)

  12. No Access

    Article

    Analysis of the eigenmodes of two coupled Ti: LiNbO3 optical waveguides and its application

    Two kinds of trial solutions for the symmetric and antisymmetric modes of the parallel Ti: LiNbO3 waveguide structure are proposed and their parameters are determined by use of the variational method. Comparison ...

    Ning Hua Zhu, Jun Li, Ren Ming Wang in Optical and Quantum Electronics (1994)

  13. No Access

    Article

    The floristic characteristics of the tropical rainforest in **shuangbanna

    The general floristic characteristics of the tropical rainforest of **shuangbanna have been summarized in the present paper. The tropical rainforest is estimated to consist of more than 3,000 species of seed p...

    Hua Zhu in Chinese Geographical Science (1994)

  14. No Access

    Article

    Oxidation pathways for the intracellular probe 2′,7′-dichlorofluorescin

    The oxidation of 2′,7′-dichlorofluorescin (DCFH) to a fluorescent product is currently used to evaluate oxidant stress in cells. However, there is considerable uncertainty as to the enzymatic and nonenzymatic ...

    Huan Zhu, Gerard L. Bannenberg, Peter Moldéus, Howard G. Shertzer in Archives of Toxicology (1994)

  15. No Access

    Article

    Microstructural Changes of Welded Zn-Al Alloy

    Extruded eutectoid Zn-Al alloy was welded by a melt of the same eutectoid alloy. Two different microstructures were observed in the joint part and the bulk of the welded alloy. Typical dendritic structure of a...

    Yao Hua Zhu in MRS Online Proceedings Library (1994)

  16. No Access

    Article

    Comparison of two coplanar waveguide electrodes for Ti:LiNbO3 interferometric modulators

    The coplanar waveguide travelling-wave electrodes widely used for Z-cut Ti:LiNbO3 Mach-Zehnder optical modulators can be divided into two types. One has a wide centre electrode and small electrode gaps, while the...

    Ning Hua Zhu, Zi Qian Wang in Optical and Quantum Electronics (1995)

  17. No Access

    Article

    Microstructures of thermomechanically treated eutectoid Zn–Al alloy (II)

    The evolution of microstructure in a cast, extruded, and aged eutectoid Zn-Al-Cu alloy is described based on x-ray diffraction an micrographic observations. Whereas the three phases α′, β′, and η′ were found i...

    Yao Hua Zhu, Frank E. Goodwin in Journal of Materials Research (1995)

  18. No Access

    Article

    Effects of tensile stress on microstructural change of eutectoid Zn-AI alloy

    Microstructural changes and phase transformations of eutectoid Zn-Al-based alloy ZnA120.2Cul.8 (wt pct) were studied under tensile stress by using X-ray diffraction and scanning electron microscopy (SEM) techn...

    Yao Hua Zhu, Eligio Orozco in Metallurgical and Materials Transactions A (1995)

  19. No Access

    Article

    Bayesian invariant measurements of generalization

    The problem of evaluating different learning rules and other statistical estimators is analysed. A new general theory of statistical inference is developed by combining Bayesian decision theory with informatio...

    Huaiyu Zhu, Richard Rohwer in Neural Processing Letters (1995)

  20. No Access

    Article

    Tensile stress induced microstructural change and phase transformations in extruded Zn-Al alloy

    Yao Hua Zhu in Journal of Materials Science Letters (1996)

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