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Research on the Pyrolysis Characteristics and Modeling of Municipal Sewage Sludge
Sludge is being generated from municipal sewage treatment plant in an ever-increasing amount due to the rapid urbanization and higher effluent criteria implemented in recent decades. However, how to dispose of tremendous sewage sludge to eli....
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Studies on Yeast Extract
In this thesis, effects of common factors in yeast extract production with autolysis on yield and total amount of amino acid nitrogen in supernatant, degradation of RNA and saccharides during autolysis were studied, in which fresh baker's ye....
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Study of Bread during Processing and Storage Using NMR and MRI Techniques
Water plays an important role in flour dough and the related products such as steamed bread and baked goods. Flour dough making is in fact a hydration process whose characteristics or quality have profound impact on the quality of the final....
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A Study on the Synthesis Process and the Catalyst for the Preparation of Alkyl Polyglycosides and Cya
The method for sythesis of alkyl polyglycosides from glucose 、 caprylic alcohol ( or lauryl alcohol ) by the catalyst of heteropoly acids have been studied. The influences of the catalysts and the operating condition for this synthesis on....
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Study on the Formation Mechanism and the Application Kinetics of Microspheres of the Magnetic Starch
Magnetic biological gel is a species of functional polymer material with excellent capability, which has a great important application in medicine, enzymology, biology, molecular biology, catalytic industry, environmental motoring and manage....
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Study on the Formation of Quality Traits and Microbial Roles of Yunnan Dry Cured Ham
Yunnan dry-cured ham is the major animal product industry in Yunnan province, with a long production history of over 300 years, it is reputed as one of the three most famous types of hams in China, and also one of the most famous dry cured h....
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Studies on Preparation Sucralose, a Novel High Intensity Sweetener
Sucralose, a chlorodeoxy derivative of sucrose, is a high intensity sweetener with significant characteristics. In this paper, sucralose was succeeded in synthesizing using two different routes, and the hydroxyl group protection and chlorina....
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Control and Regulation of Diacetyl and Higher Alcohols in Beer Fermentation
Diacetyl and higher alcohols are important component of beer favor. Diacetyl is signal products of ripeness of beer fermentation and proper content of higher alcohols could make beer products full and mild in taste, but excessive higher alco....
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A Study on Solar Pan and Its Related Technologies for Extracting Lithium Carborlate (Li2co3) from Bri
Zabuye saline lake is located in Zhongba county, Tibet autonomous region. The distance from Lhasa city to Zabuye (across Xigaze city) is 1050km. The height of lake level is 4421m a.s.l. It is a supperlarge Li, B, K saline lake. Through the o....
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Systematic Studies on the Inherent Quality Evaluation System in the Tobacco
Changes of various chemical components during aging, inherent quality evaluation system and continuous-flow analyses of conventional components in tobacco were studied in this thesis. The results are as follows:1. Every score of inherent qua....
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Thermomechanical Properties of Rice Straw and Hygroscopicity of Rice Straw-Based Particleboard
Rice straw as a newly-evaluated raw material for manufacturing composites was investigated in mechanical, chemical, thermal, and machining properties in this dissertation. With modified polymeric methylene diphenyl diisocyanate (MMDI) and wa....
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Study on Visco-elasticity of MDF
With rapid expanding, MDF has been taking up compelling status in manufacture and application of wood-based panels. However, the problems such as the blisters, delaminaion, stability in dimension, etc. have been occuring in the process of MD....
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Study on the Woodceramics in Net Shape Fabricated by Sintering Wood Materials/Phenolic Resin
This paper studied the fabrication of C-C net shape woodceramics using the sanding wood powder impregnated with PF resin carbonized under high temperature and vacuum circumstance.It was the first time to use the wood processing remains effec....
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Study on VOC Emission from Cunninghamia Lanceolata and Eucalyptus Urophylla Drying and Formaldehyde E
VOC such as aldehyde, terpine, organic acid and alcohol emitted from the process of wood manufacture and utilization is likely to cause adverse environment effect. This thesis investigated the VOC emission from drying of Chinese fir (Cunning....
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Study on the Wear-behavior of Woodworking Tools for to Optimize Machining Wood
Machining wood and wood based materials by any kind of tools with knifes, like milling, molding, sawing and drilling, is one of the most important procedures in wood industry. After cutting, the various surfaces and shapes can be obtained. T....
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Sticky Contaminants in the Papermaking Process of Newspaper Mill and Their Chemical Control
In the newspaper mill, with the increasing use of recycled fibers in recent years, stickies problem is becoming more and more evident. They are from waste paper and released during the repulping process, including many types of synthetical m....
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Study of New Type of Microparticle Retention and Drainage Aid System
Firstly, several kinds of bentonite modification methods and its application in papermaking were investigated. The retention and drainage effects of the CPAM/bentonite system were characterized by fines retention and freeness. It was found t....
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The Interface Behavior and Application of Chitosan and Its Ionic Derivative as Wet-end Additives in P
Chitosan, a biodegradable, nontoxic, antibacterial, as well as renewable resource commodity, is the second most widespread natural polysaccharide, and has exhibit basic rather than acidic characteristics. This basicity gives chitosan in part....
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Study on Karst Rocky Desertification Forming Process and Its Control Technology
Guizhou province is the distributive center of karst in China. Rocky desertification caused by long-term disturbance, became a powerful obstacle of economic development and local people's survival, and is being a research hotspot now. As a w....
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Study on the Eco-Environmental Effect of Groundwater Development in the Inland Basins of Northwest Ch
In the last several decades, the oasis agriculture and economy in inland basins have been rapidly developed together with its water resource exploitation. However, Some problems caused by the water resource development, especially the second....
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Research on the Degrades Mechanism and the Repairing Theory and Technology for Lake Ecosystem
The lake ecosystem is regarded as the important component of the aquatic ecosystem, it offers the essential material guarantee for the economic development and people's lives of the lake regions, it has lots of important functions, such as s....
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The Root Causes of Desertification and Its Status Assessment in Semi-arid Agro-pastural Mosaic Area
Desertification is one of globally Environmental problems, about one third of the global territory is menaced by desertification. According to the latest statistics, the area of desertification in China is about 2622 thousand square kilomete....
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Research on the Landscape Dynamics and Desertification Origination of Mu Us Sandland
As a global environmental problem, desertification is one of the "research hotshots" all over the world. It has been demonstrated that the landscape ecology, a newly interdisciplinary, plays a very important role in the planning and manageme....
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Studies on Soil Quality in Rocky Desertification in Guizhou Provience
Karst rocky desertification is aprocesso fland degradation processes correlated with vulnerable eco-geology background and human activities. This study was carried out in Guizhou Province. Guizhou province is located in the center of a wide....
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The influence of Mercury in Contaminated Environment on the Expression of IEG c-fos and c-jun in Rat
Mercury (Hg),as one of the priority pollutant and hot topic in the front of environmental research in many countries, has been paid higher attention in the world since the middle of last century. China is one of countries with the highest me....
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Study on Environmentally Friendly Bleaching Technology and Mechanism of Non-Wood Pulp
Although the structure of raw materials has being adjusted through increasing the proportion of wood pulp and by effectively utilizing the waste paper source, non-wood species will still remain an important fiber resource. Wheat straw, bambo....
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Study on the Electrochemically Mediated Delignification and Bleaching and Its Mechanism of Triploid o
The toxic organochlorine compounds generated in pulp chlorine-containing bleaching have strong damages to environment. In order to resolve this problem and make paper industry in sustained growing, the new elemental chlorine free bleaching (....
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Study on the New Pulping and Bleaching Technology and Its Mechanism of Cotton Stalks
Cotton stalk is an abundant agricultural residue in north China. Application of cotton stalk in paper industry was stagnant. In this thesis, the development and the current status of pulp and paper industry were reviewed, and a proposal was....
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Studies on the Application of Metabolic Engineering to Degradation of Hexachlorobenzene
Hexachlorobenzene (C6Cl6, HCB) was listed as one of the twelve persistent organic pollutants (POPs) in the Stockholm Convention for its tendency to accumulate along food chain and its recalcitrance to degradation, together with its harmful e....
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Mechanism and Process of Soil Degradation in Napahai Wetland on Yunnan Plateau
Napahai, lying between 99037'~99043'E and 27049'~27055'N at 3,260 m above sea level, in the middle part of Hengduan Mountain, northwestern Yunnan is a unique and seasonal marsh wetland. Distributing on ancient planation surface produced in T....