一株降解刺参残饵的芽孢杆菌分离、鉴定及施用效果

来源 :海洋湖沼通报 | 被引量 : 0次 | 上传用户:jack88698
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
从刺参养殖底泥、肠道、水体中共分离纯化得到36株菌落形态不同的芽孢杆菌,研究36株菌对刺参残饵的降解效果,从中筛选了一株降解效果较好的芽孢杆菌,将其命名为B12,经形态特征、生理生化特性和16 SrDNA序列相似性分析,鉴定其为巨大芽孢杆菌,菌株接种浓度为105 cfu/mL时,在18℃培养2d后,对刺参饵料培养基中的COD的降解率为43.12%,氨氮的降解率为73.13%,将菌株B12于发酵罐发酵,得到菌液在养殖池塘施用,48h后氨氮降至0.0377mg/L,净化水质效果较好.
其他文献
Adc magnetic sputtering process is applied to growth of a Mo back. contact layer onto the flexible polyimide (PI) and rigid soda-lime glass (SLG) substrates. Th
期刊
Thermoelectric (TE) performances are systematically investigated for the pellets of poly(3,4-ethylenedioxythio-phene):poly(styrenesulfonate) (PEDOT:PSS) with di
期刊
Invariance of the one-dimensional lattice Boltzmann model is proposed together with its rigorous theoretical background.It is demonstrated that the symmetry inh
期刊
形成性评价是基于对学生学习全过程的持续观察、记录、反思而做出的发展性评价,对于提升高校课程教学质量具有重要的作用.随着高校课程改革的深入,课程形成性评价也日渐完善.
From the 12C(π+, K+)12ΛC rection, the γ-rays of 261.6 ± 0.24 keV (7/2+ → 5/2+) and 1481.7 ± 0.7 keV (1/2+ →5/2+) of 11Λ1 B, and 2667.3 ± 2.8 keV (1-2
期刊
A single-longitudinal-mode (SLM) laser-diode pumped Nd: YAG laser with adjustable pulse width is developed by using the techniques of pre-lasing and changing po
期刊
Three-dimensional heat transfer model of laser diode array under constant convective heat transfer coefficient boundary condition is established and analytical
期刊
对12个不同类型栽培稻品种的研究表明,有丝分裂指数(MI)与剂量的关系可用线性回归方程拟合。发现MI随剂量增加而减少。根尖细胞有丝分裂的抑制效应在不同类型栽培稻间是相似
We demonstrate the guiding of a supersonic heavy-water(D2O)molecular beam using a hollow electrostatic field generated by the combination of two parallel charge
期刊