2,177 Result(s)
within
Chapter
Zhi-**ong **ao
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Chapter and Conference Paper
The Study of Nitrogen Distribution Around Rice Rhizosphere
It is interesting to note that the soil around plant root forms a special nutrient environment, in which the mobility and distribution of nutrient ions directly reflect the plant-soil relationship. However, in...
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Chapter and Conference Paper
Voltammetric Determination of Reducing Substances in Paddy Soils
For the quantitative determination of reducing substances, potentiometric titration and chemical methods have been employed(1–3). However, these methods are tedious in operation. And, what is more important, t...
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Chapter and Conference Paper
On Rice Nutrient Disorder and its Diagnosis in China
Rice nutrient disorder has been widely studied in Asiam countries(1). In recent years, with the rapid expansion of cultivated area of rice in our country, this problem involved in both new and old rice regions...
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Chapter and Conference Paper
Determination of Redox Potential (Eh) by Depolarizing Curve Method
Redox potential as an index of the intensity factor of the oxidation-reduction status of a soil has long been widely used in soil research. But in recent years it has been known that the true equilibrium poten...
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Chapter and Conference Paper
On the Characteristics of Leaching and Accumulation of Chemical Elements in Two Eutric Paddy Soils in Taoyuan County, Northern Hunan Province
The leaching and accumulation of chemical elements in the process of soil formation play an important part in revealing soil development and soil fertility. Based on the data obtained from the chemical determi...
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Chapter and Conference Paper
Hydrologic Status of Paddy Fields During Rice-Growing Period
The hydrologic status of a paddy field reflects the liquid pressure of the moving soil water. Experiences in China show that the drainage condition of paddy field is one of the important factors affecting the ...
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Chapter and Conference Paper
Characterization of impurities and defects by electron paramagnetic resonance and related techniques
The use of electron paramagnetic resonance (EPR and ENDOR) in the study of defects in semiconductors is briefly reviewed, including group IV (C-diamond, Si, Ge, SiC), III-V (AlSb, GaAs, GaSb, GaP, InAs, InP, I...
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Chapter
On the Schwarz Lemma for Complete Hermitian Manifolds
This paper generalizes a result from Chen, Cheng and Lu [1] and improves a result from Yau [2]. Let M be a complete Hermitian manifold whose holomorphic sectional curvature is bounded from below by k1 (or whose s...
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Chapter
Fixed Prosthesis
Pinlay restoration is widely used in China for restoring defects of incisai angle or proximal surface of the anterior teeth, excessive wear of occlusal surface or severe damage to the posterior teeth. The rete...
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Chapter and Conference Paper
A Study on Argon Ion Gun in SIMS
In order to use SIMS for static state, swee** and composition profiling analysis on specimen, an ion source of electron impact ionization type with beam-forming electrode [1,2] is investigated, besides the p...
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Chapter
Microsurgery
Microsurgery is a recent advance in modern surgery, and its advancement has greatly modified surgical techniques. Many operative procedures which could not be attempted in the past can now be performed success...
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Chapter
Radiotherapy for Carcinoma of the Esophagus
Surgery and radiotherapy are the two chief methods of treatment for carcinoma of the esophagus. As most patients are found to have already advanced lesions when first seen in the clinic, they are not eligible ...
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Chapter
Homologous Vascularized Ovary Transplantation: A Case Report
Bilateral oophorectomies, an integral part of en bloc excision of malignant ovarian tumor, acceptable to elderly women, can hardly be tolerated by young women for whom prolonged estrogen substitution therapy i...
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Chapter
Examination of the Development of 63 Full-Term, Small-for-Date Chinese Children
This study was undertaken to offer some information on the development of small-for-date (SFD) children with intrauterine growth retardation.
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Chapter
Development of 129 Chinese Children with Low Apgar Scores
Neonatal asphyxia is a common and serious complication at birth, often leading to neonatal death or later developmental defects. The development of 129 survivors of birth asphyxia (Apgar scores of 7 or less at...
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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...
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Chapter
Clinical Significance of Changes in Excreted Fraction of Filtered Sodium (FENa)in Severe Burn Patients
Correct and timely monitoring of renal function in severe burns is helpful and closely related to prognosis. Some investigators have recently described how diagnosis and differential diagnosis of acute renal i...
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Chapter
Rice: Anther Culture for Rice Improvement in China
Following the first report of rice anther culture in Japan (Niizeki and Oono 1968), Chinese scientists carried out extensive work on this most important cereal crop (see Chen and Li 1978, H. Hu 1978, Loo 1979,...
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Chapter and Conference Paper
A New Method of Determining Absolute Azimuth and Latitude and Suggestion for a New Type of Meridian Circle
This article describes a new method by which azimuth and the instantaneous latitude of a meridian-prime vertical-transit instrument can be determined absolutely in mid-and low- latitude areas, and discusses so...
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Chapter
A Study of Tumor-Associated Antigens
The development of the hybridoma technique [8] has provided a powerful new tool for studies of tumor-associated antigens. Since 1978 Koprowski [9] and other investigators have prepared monoclonal antibodies (M...
