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Pesticide Transport and Enrichment in Water-Soil Environment
This research was performed as a case study of central Jianghan Plain targetinggroundwater,the main source of drinking water supply for local people,as well aswater like rain,lake water,and river water from Han River or its tributary,Dongjin....
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Processing Control on Dextrin and Its Induction on Production of α-amylase
α-amylase as an important industrial enzyme was widely used in food industries, textile technology, paper manufacturing and so on. In this study, the method preparing dextrin with different DE value by combination of common and thermalα-am....
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Study on Preservation Technology of Fresh Prawns and Cooked Products
In order to improve the quality of prawns during storage, Litopenaeus vannamei and Trachypenaeus curvirostris were selected for storage characteristic analysis. Based on the results, effective bio-preservative was developed to inhibit melano....
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Study on the Influencing Factors and Management of Human Errors in the Production of Electricity Ente
The great importance of power industry determines the extreme importance of its safety production.A lot of research and many power industry accident statistics indicate that the human factor,such as employees not strictly enforce the safe wo....
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Study on the Submerged Fermentation of Hypsizigus Marmoreus and the Extraction, Purification, Structu
Hypsizigus marmoreus(Peck)Bigelow belongs to Basidiomycotina,Hymenomycetes,Agarcales,Tricholomataceae,Schizophyllum commune family,Tricholoma genera.Itcontains a variety of active substances with high nutritional and medicinal value.This pap....
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The Research and Implementation of Evaluation System for Engineering Materials
In order to obtain low-cost, high-performance products, in today's society of adoption new materials replacing traditional materials, the importance of materials selection has become increasingly prominent. Therefore, the establishment of en....
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Basic Study on Applications of M Type Barium Ferrites and Related Composites
Due to the stronge uniaxial anisotropy, high coericitivity, (BH)_(max) value andexcellent gyromagnetic performances, M-type barium ferrite (BaFe_(12)O_(19)) has beenfound extensive applications in the fields of permanent magnets, wave-adsorb....
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Study on the Ultimate Strength of Laminated Composites and the Minimization of Delamination Stresses
By virtue of its excellent properties, such as the high specific strength and high specific modulus, anisotropy and designability, the Fiber Reinforced Plastics (FRP) has been widely used as structure materials in aircraft, space, marine and....
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Study on Synthesis of Two Kinds of Glycosides Compounds and Two Different Series of Heterocycle Compo
Nowadays, in order to search new active moleculars, the common methods of constructing the compound library have been adopted. Thus, it is not only extensive studies of many kinds of bioactivities, but also even more establishing some struct....
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Synthetic Studies on Trans-3,4-Disubstituted Succinimides and the Asymmetric Total Synthesis of (3S,5
The 3,4-disubstituted succinimide substructure-containing natural products andindolizidine alkaloids, tropane alkaloids are widespread in nature. Most of themexhibit important bioactivities. Among them,(-)-Bao Gong Teng A was the firsttropan....
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Study of the Spectral Data Processing in Laser Induced Breakdown Spectroscopy Analysis and Its Applic
Since the early 1960s, Laser-Induced Breakdown Spectroscopy (LIBS), as a rising atomic emission spectroscopy, has been researched as an element analysis technique in many fields because of its advantages of remote distance, in-situ and multi....
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Study on Preparation Techniques of High-purity Spherical Silica Powder by Oxygen-Acetylene Flame Sphe
The paper mainly focused on studying the technique route in producing high-purityspherical silica powder using quartz and rice husk as raw materials. The spherical silica powderas a pivotal filler material has attracted more and more attenti....
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Self-Propagating High-Temperature Synthesis with Magnesiothermit Reactions and Structural Macrokineti
For its advantages of rapid synthesis, simple process, energy saving, etc., SHS (Self-Propagating High-Temperature Synthesis) is a novel technology for preparing the advanced materials, such as ceramics, intermetallic compounds, high perform....
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Studies on the Low-temperature Sinterable ZnO-TiO_2-based Microwave Dielectric Ceramics
Three zinc titanate compounds have been confirmed to exist in ZnO-TiO_2 system,namely,Zn_2TiO_4 (cubic),ZnTiO_3 (hexagonal)and Zn_2Ti_3O_8 (cubic).Due to its relativelylow sintering temperature and excellent microwave dielectric properties,m....
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Studies on the Asymmetric Syntheses of (－)-Bitungolide F and (－)-Pandangolide 1a
This dissertation aims at the studies on the asymmetric syntheses ofdihydropyrone natural product (-)-Bitungolide F and macrolide natural product(-)-pandangolide 1a. It consisted of the following three parts:Chapter 1. Methods for oxidation....
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Research on Integrated System for Injection Mold Design Based on Knowledge
Injection mold design is a complicated,empirical,long time costed and high qualityrequired process.To design a qualified mould,the designers are required to possessthorough and broad knowledge.Therefore,presenting and storing the knowledge o....
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Intumescent Flame Retardation, Nano-flame Retardation and Synergistic Flame Retardation for Polypropy
Polypropylene (PP) is widely applied to various fields like chemical,construction,light industry,household appliance,and package due to its overwhelming advantagessuch as high transparency,nontoxicity,ease of processing,low hygroscopicity,hi....
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The Study of Controlling Electrospinning of PPV and PPV-N Bulk-Heterojunction Nanofibers and Their Pr
One-dimensional (1D) semiconductor nanomaterials, which represent a unique system for exploring phenomena at the nanometer scale, are opening up substantial opportunities for novel photonic and electronic nanodevices. A large number of synth....
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De Novo Synthesis of Noviose-1,2-acetonide and Synthesis of Novobiocin Analogues
The molecular chaperone Hsp90(Heat shock protein 90) is a promising target for cacer therapy.Preclinical and clinical evaluations of a variety of Hsp90 inhibitors have shown anti-tumor effects as a single agent and in combination with other....
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Reaserch of Water-Based Epoxy-acrylate Infrared Heat-Shielding Coatings
Based on the researches and applications of antiseptic,cooling,energy saving coatings used in arming,petrochemical industry and urban construction,some novel functional materials ware used to obtain a kind of camouflage color infrared heat s....
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Preparation and Field Emission Properties of Diamond-like Carbon Films by Electrochemical Deposition
Diamond-like carbon (DLC) is a metastable form of amorphous carboncontaining a significant fraction of sp~3 bonds.It can have a high mechanical hardness,chemical inertness,optical transparency,and it is a wide band gap semiconductor.DLC film....
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Studies on Preparation and Character of Bilirubin Adsorption and Surface-imprinting Materials with Hi
Bilirubin is a principal degradation product of heme catabolisma. High bilirubin concentration may cause obstructive jaundice, and further may results in acute renal failure. At the same time, serum bilirubin is an important index for judgin....
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The Functional Regulation of the Chromogenic Materials Based on Polyoxometalates
Chromogenic materials have attracted much attention due to the applications in large area glazing, information displays, switch devices and optical storage. In this paper, we focus on the preparation of chromogenic materials based on polyoxo....
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Research on the Theory and Application of Multi-fields Coupling of Intelligent Material Structure
Piezoelectric、piezomagnetic materials which are used as sensor and actuator integrating with structure form a intelligent material system, which can also be called piezoelectric、piezomagnetic composite materials.。The primary work for t....
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Preparation and Antibacterial Activity of Chitosan Nanospheres in Dispersing State
Chitosan (CS) is a positive polysaccharide with broad-spectrum antimicrobial activity. There has been great improvement in the studies about the antimicrobial activity of CS and its derivatives. However, the mechanism of how CS acts upon bac....
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Study on Fabrication, Structure and Properties of Bacterial Cellulose/Carbon Nanotube Composite Mater
Owning to their unique and superior physical properties,including mechanical, electrical,chemical properties and high aspect ratio,carbon nanotubes(CNTs) have been uesd to fabricate performanced composite materials by embedded into the polym....
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Preparation and Properties of BN Nano Materials
Hexagonal boron nitride (h-BN) has received considerable attention because of its advantageous properties, such as anti-oxidation at high temperature, excellent chemical inertness, outstanding anti-wear, high thermal conductivity, absorbency....
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Preparation and Application of Nanostructural Polyaniline and Titanium Dioxide/Polyaniline Composites
Polyaniline is unique among the family of conducting polymers due to its ease ofsynthesis,environmental stability and simple doping/dedoping chemistry,which hasreceived growing interest in recent years.Nanostructures of polyaniline can lead....
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The Studies on Structural and Optical Properties of TiO_2 and Rare-earth Doped TiO_2 Based Materials
Semiconductors light emitting devices are widely used in many fields. The widebandgap semiconductors light emitting materials have been paid more and moreattention since GaN light emitting devices were successfully developed. TiO_2, as wideb....
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Synthesis、Characterization and Microwave Absorption Properties of ZnO Nanomaterials
Along with the increasing use of gigahertz electromagnetic waves in industrial,commercial and military application,electromagnetic interference (EMI)has become aserious problem and a matter of crucial concern recently.However,new ways andcha....