1,051 Result(s)
within
**n-gang Li
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Article
Effect of phosphorus and potassium fertilizer on crop response and soil fertility in a long-term experiment
Data from 32 years of a rotation-fertility experiment were analyzed to determine the average P and K application rates required for maximum yield and for optimum yield. A four-year rotation of corn, soybean, w...
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Chapter
Structure and Function of the Maize Transposable Element Activator (AC)
The discovery of transposable elements in maize by Barbara McClintock was greatly facilitated by the thorough genetic characterization of this species since the early years of this century. In particular, the ...
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Article
Differential expression of six glutamine synthetase genes in Zea mays
The maize genome has been shown to contain six glutamine synthetase (GS) genes with at least four different expression patterns. Noncoding 3′ gene-specific probes were constructed from all six GS cDNA clones a...
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Article
The influence of topography on the nonlinear interaction of Rossby waves in the barotropic atmosphere
In the frame of weak nonlinear theory, a set of equations depicting the nonlinear interactions of barotropic Rossby waves are derived, the topography and Ekman friction are involved in the equations. Starting ...
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Article
A new description of field: the pseudo-Hamiltonian description
A new description of field, the pseudo Hamilton description, is proposed. To a physical field, we may introduce the pseudoconjugate momentum tensor and the pseudo-Hamiltonian. The pseudo-Hamiltonian is a scala...
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Article
Root- and shoot-specific responses of individual glutamine synthetase genes of maize to nitrate and ammonium
The responses of the five cytosolic-type glutamine synthetase (GS1) genes of maize to treatment of hydroponically grown seedlings with 10 mM KNO3 or 10 mM NH4Cl were analyzed. Non-coding 3′ gene-specific hybridiz...
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Article
Laser-assisted electron capture by a fast proton from a hydrogen atom
The first Born approximation is used to study the laser-assisted electron capture by a fast proton from a hydrogen atom. The laser modification on differential cross section peaks sharply in the forward direct...
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Article
Endoscopic local spray of Galla Chinensis compound solution in treating biliary hemorrhage
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Article
Density functional study on zerovalent lanthanide bis(arene)-sandwich complexes
Several zerovalent lanthanide bis(arene)-sandwich complexes, Ln(η6-C6H6)2, Ln = La, Ce, Eu, Gd and Lu, have been studied by means of density functional theory. The calculated geometries are in good agreement wit...
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Article
CDP map** and image reconstruction by using offset VSP data
Because zero-offset VSP (Vertical Seismic Profile) data can only provide the information of rock properties and structure in the area around the Fresnel zone within the well, the scheme of VSP with offset was ...
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Article
Recognition of human colon cancer by T cells transduced with a chimeric receptor gene
Transduction with chimeric T-cell receptor genes can be used to redirect primary T lymphocytes to recognize specific antigens (Ags), including ovarian and breast cancer Ags. To extend this approach to colon ca...
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Article
Reproductive strategies and seeds behavior ofBetula platyphylla Suk. population
By the methods of morphological anatomy and investigation in the sample fields, the main studies were carried out such as morphological anatomy of reproductive organs, birch population’s reproductive ages, rep...
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Article
A method for lake ecosystem health assessment: an Ecological Modeling Method (EMM) and its application
Ecosystem health is a newly proposed concept that sets new goals for environmental management. Its definition, indexing and assessment methods are still being perfected. An Ecological Modeling Method (EMM) for...
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Article
The design of new molecular "light switches" for DNA
Two novel ruthenium(II) complexes, [Ru(pztp)2(phen)](ClO4)2 and [Ru(pztp)2(bpy)](ClO4)2, have been synthesized and characterized by UV/Vis and 1H NMR spectroscopies and mass spectrometry. The MeCN solutions of b...
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Article
Inhibition of the metabolism of nitrifying bacteria by direct electric current
The nitrifying bacteria in activated sludge and biofilms consisting of the bacteria immobilized on polypropylene packing were subjected to an electric current via two electrodes. In activated sludge, the metab...
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Article
The slip rate and strong earthquake recurrence interval on the Qianning-Kangding segment of the **anshuihe fault zone
The geometry of the Qianning-Kangding segment of the **anshuihe fault zone is quite complex, and it is composed of four secondary-faults, i.e., the Yalahe fault, Selaha-Kangding fault, Zeduotang fault and Moxi fa...
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Article
AVibrio anguillarum strain associated with skin ulcer on cultured flounder,Paralichthys olivaceus
The characteristics of a bacterium strain M3, isolated from cultured flounderParalichthys olivaceus with remarkable external sign of skin ulcer during an epizootic outbreak, indicated that the bacterium belonged ...
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Article
Synthesis, DNA-binding and photocleavage studies of cobalt(III) mixed-ligand complexes
Two novel complex ions [Co(bpy)2IP]3+ and [Co(bpy)2PIP]3+, have been prepared and characterized by EA, mass spectra, u.v.–vis., and cyclic voltammetry. The binding behavior of both complexes to calf thymus DNA (C...
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Article
Determination of Trace Lead in Chinese Herbs by Derivative Flame Atomic Absorption Spectrometry Using an Atom-Trap** Technique
A simple and sensitive method is described for the determination of trace lead in Chinese herbs by derivative atom trap** flame atomic absorption spectrometry (D-AT-FAAS) with a modified water-cooled quartz ...
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Article
Significance of experiments on the relationship of spleen deficiency syndrome with gastrin and somatostatin changes
To explore the relationship among gastrin, somatostatin and pathogenesis of spleen deficiency syndrome (SDS).
