應(yīng)用微波分離土壤放線菌畢業(yè)論文

1、分類號(hào)：號(hào)：學(xué)校代碼：學(xué)校代碼：學(xué)號(hào)：號(hào)：應(yīng)用微波分離土壤放線菌應(yīng)用微波分離土壤放線菌ApplicationofMicrowavefActinomycetesIsolationfromSoil所在院：所在院：學(xué)生姓名：學(xué)生姓名：指導(dǎo)教師：指導(dǎo)教師：研究起止日期：二研究起止日期：二○一一年十二月至二一一年十二月至二○一二年五月一二年五月二○一二年五月一二年五月南京曉莊學(xué)院2012屆本科畢業(yè)論文3應(yīng)用微波分離土壤放線菌應(yīng)用微波分離土壤放線菌

2、學(xué)生：指導(dǎo)老師：摘要摘要：[目的]本文利用微波爐的微波對(duì)土樣進(jìn)行預(yù)處理，研究不同微波處理時(shí)間對(duì)分離放線菌效果的影響。[方法]土壤分別用微波處理0(CK）、3、6、9、12、15、18、21和24min。[結(jié)果]1）微波處理能顯著增加可培養(yǎng)放線菌數(shù)量隨著處理時(shí)間的增加，土壤放線菌比例呈先增后減的趨勢(shì)。處理3、6、9、12和24min高氏1號(hào)及高氏2號(hào)培養(yǎng)基上放線菌比例較對(duì)照均有提高；處理15～21min，放線菌比例較對(duì)照均有降低。2）隨著

3、微波處理時(shí)間的增加，土壤中稀有放線菌比例顯著增加。[結(jié)論]微波處理能夠增加放線菌的種類，有效提高稀有放線菌的比例。關(guān)鍵詞鍵詞：微波爐放線菌處理時(shí)間。ApplicationofMicrowavefActinomycetesIsolationfromSoilStudent:LuYanSupervis:DuanShuRongAbstract:[Objective]Toivelyisolateactinomycetestheresearchap

4、pliedmicrowavetopretreatthesoilsamples.[Methods]Thesoilsampleswasrespectivelypretreatedwithmicrowaveindifferenttime:0(CK)3691215182124min.[Results]1)Microwavetreatmentcanobviouslyincreasecultivatableactinomycesquantitywi

5、ththeincreaseofprocessingtimeatthesametimethebacterialratefirstlyincreasedthendecreased.Microwavetreatmentin3691224minactinomycetesnumbersonGAUZEˊsmediumno.1no.2mediumarebothmethancontrolThenMicrowavetreatmentin15to21min

6、actinomycesnumbersdecreasedconsiderablythancontrol.2)Withtheincreaseofmicrowaveprocessingtimetherareactinomycetesrateincreasedsignificantly.[Conclusion]Microwavetreatmentcanincreaseactinomycesvarietyeffectivelyimproverar