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Natural biopolymer Flocculants

cedesMateriaux, 2000,[link widoczny dla zalogowanych],25 (2) :153-160. (Continued on page 105) 2 Yeliang other: the work of several problems in supervision of benefits. Phase III: Project completed stage. Work well in previous stages, based on the completion of settlement much easier. The date of acceptance in the engineering process, you can apply for completion of settlement. 6 Conclusion joined the WTO, opening up the market to expand and enhance the intense degree of competition, the use of economic laws, economic activities, in accordance with international practice and international practices for project management, this series of changes for us both a challenge and is the development opportunity. Over the past 20 years, China's engineering supervision system, the establishment and development have made gratifying achievements. As long as we face the reality and face the pressure, worked hard, catch up,[link widoczny dla zalogowanych], do solid work, we will be able to adapt to the situation after the WTO accession and the situation, further to our supervision system to move closer to international practice and onto a higher level. References: [1] He Jianan. Construction Management [M]. Beijing: China Environmental Science Press ,1996.183-193StudyonsomeexistingproblemsinChina 'SconsultingworkYEHang, HUANGFu, WUBi ・ long (Dept.ofCivilEnneering, ZhejiangUniversityofScienceandTechnology, Hangzhou310012, China) Abstract: WithChina'SentryintotheWTO, ourconsultingsystemhavetoreformfortheadaptationofthedrasticcompetition. ThisthesisputsforwardsomesuggestionsonChina'Sconsultingworkanditsdevelopment. Keywords: consultingwork; consultingcompany; consultingsystem; consultingengineer (on the next page 100) ResearchdevelopmentofthenaturalbiologicalmacromoleculeflocculantZHUJ (Dept.ofBiologicalandChemicalEngineering, ZhejiangUniversityofScienceandTechnology,[link widoczny dla zalogowanych], Hangzhou310012, China) Abstract: Thestudy, productionandapplicationofthemacromoleculeflocculantisarapiddevelopingscienceandtechnology. Byavarietyofexperiments,[link widoczny dla zalogowanych], thenaturalbiologicalmacromolecule (suchascrustsubstance, ligninandamy-lum) canbemadeintoeffective,[link widoczny dla zalogowanych], nonpoisonousandcheapflocculantofthenaturalbiologicalmacromoleculewhichCallbedissolvedbiologically. Thispapergivesabriefsummaryofthestudy, applicationanddevelopmentofnaturalbiologicalmacromoleculeflocculantanditschemicalmodification. Keywords: macromoleculeflocculant; wastewaterprocessing; heavymetalion

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