2,477 Result(s)
within
Shi-** Zhu
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Chapter and Conference Paper
Studies on Nitrogen Fixation by Association of Bacteria with Rice Root
It is known that nitrogen fixation in the paddy fields is more effective than that in the upland soils, and is therefore of great significance to an intensive study on the associated function of rice and bacte...
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Chapter and Conference Paper
Evolution and Development of Alluvial Paddy Soils in Zhujiang Delta
Zhujiang Delta covers a total area of about 10,000 square kilometres. As shown on the attached map, the margins of the Delta are surrounded by rolling hills. Along the river courses and coastal areas of the De...
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Article
Conformal flat interior solutions for a charged sphere
In this paper we have obtained some conformal flat interior solutions of the Einstein-Maxwell equations for a charged stable static sphere. These solutions satisfy physical conditions inside the sphere.
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Article
On the formation of void in the Universe
This paper deals with the void with a volume of ∼106 Mpc in the Universe. By using spherically-symmetric Einstein field equations the dynamics of void is studied. It seems to be possible that the void will decay ...
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Article
Preliminary report on experimental observation of the effects of magnetic field and “Natural Copper” on fracture healing
Through biomechanical, radiographical, biochemical, histological, electron microscopic, tetracycline fluorescence observations of experimental fracture healing in rabbits, the authors came to a preliminary con...
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Article
Clinical significance of determination of urinary proteins in epidemic hemorrhagic fever
Sequential analysis of urinary proteins of different molecular weight was carried out in 75 cases of epidemic hemorrhagic fever (EHF) in different phases. Lysozyme, N-acety1-β-D-glucosaminidase, albumin and Ig...
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Chapter
Movable Electronic Locomotive Scale With Microprocessor
The Electronic Locomotive Scale of type ELS-12 has been developed in National Institute of Metrology, China. This type of scale can be used for determining the distribution of total weight of locomotives and v...
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Article
Medial flap of the shank – Anatomical study and clinical application
By anatomical study in 40 cadaver legs it was shown that the blood of the medial leg flap is supplied by the ramus saphenus, which is the cutaneous branch of the descending genicular artery. Venous drainage of...
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Chapter and Conference Paper
Comparative Study of Various Quasiprobability Distributions in a Two-Photon Correlated-Emission Laser
In a recent letter,1 it was shown that a two-photon correlated-spontaneous-emission laser (two-photon CEL) can generate a macroscopic intensity of light which is squeezed in the phase quadrature. The two-photon C...
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Chapter and Conference Paper
Quantum Theory of Two-Photon Correlated-Spontaneous-Emission Lasers: Exact Atom-Field Interaction Hamiltonian Approach
A linear quantum theory of two-photon correlated-spontaneous-emission lasers (two-photon CEL’s) has been formulated recently,1 which predicts, for the first time, the generation of squeezed states from an active ...
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Article
Ultrastructure of sperm cells and the male germ unit in pollen tubes ofNicotiana tabacum
The structure of sperm cells and their association with the vegetative nucleus in pollen tubes ofNicotiana tabacum grown in styles were observed with the electron microscope, demonstrating the existence of a male...
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Article
Quasi-periodic waves and quasi-solitary waves in stratified fluid of slowly varying depth
The nonlinear waves in a stratified fluid of slowly varying depth are investigated in this paper. The model considered here consists of a two-layer incompressible constantdensity inviscid fluid confined by a s.....
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Article
High frequency transformation ofKalanchoe laciniata
Leaf explants ofKalanchoe laciniata were cocultivated for different days (2, 4, 6 and 8 days) with disarmedAgrobacterium tumefaciens strains A208SE, GV3111SE and EHA101 carring a binary vector pROA93. The vector ...
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Article
Propagation velocities of elastic waves in saturated soils
Based on the wave equations established by the authors, the characteristics of propagation velocities of elastic waves in saturated soils are analyzed and verified by ultrasonic test in laboratory and seismic ...
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Article
High frequency of plant regeneration from hypocotyl explants of Brassica carinata A. Br.
An efficient tissue culture system for high frequency of plant regeneration from hypocotyl explants of Brassica carinata was developed via manipulation of culture medium and selection of explants. Explants grown ...
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Article
Transformation of Melon (Cucumis melo L.) and Expression from the Cauliflower Mosaic Virus 35S Promoter in Transgenic Melon Plants
We have established a regeneration protocol for melon (Cucumis melo L.), using cotyledons as explants, in which the overall regeneration frequency reached more than 90 percent, and combined this protocol with Agr...
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Article
Using CEMS method to study Sb-doped SnO2 thin film as reducing gas sensing material
119Sn Mossbauer spectra for surface layers of thin film Sb doped SnO were obtained by CEMS method, the emissive internal conversion electrons were detected by multi-wire chamber. In pract...
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Article
Artificial bone of porous tricalcium phosphate ceramics and its preliminary clinical application
The authors have prepared the artificial bone of porous tricalcium phosphate ceramics according to an appropriate formula and manufacturing technology. Physical and chemical testing shows that it possesses sev...
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Chapter and Conference Paper
On lasing without inversion within the sodium D1 line
We present and analyze a simple scheme demonstrating lasing without inversion (LWI) within the Na D1 line, i.e., within the hyperfine manifolds of the 3 2P1/2 and 3 2S1/2 states.
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Article
A study on flow resistance in the entrance region of isosceles triangular ducts
In the present paper the variational solution of velocity profile for an incompressible laminar and fully developed flow in isoscles triangular ducts is derived by applying the Kantovorich method. The theoreti...
