[1]赵林果,游丽金,倪 浩,等.碳源和氮源对黑曲霉分泌β-葡萄糖苷酶的影响[J].南京林业大学学报(自然科学版),2008,32(06):001-4.[doi:10.3969/j.jssn.1000-2006.2008.06.001]
 ZHAO Lin-guo,YOU Li-jin,NI Hao,et al.Effects of carbon and nitrogen sources on β- glucosidase biosynthesis by Aspergillus niger nl -1[J].Journal of Nanjing Forestry University(Natural Science Edition),2008,32(06):001-4.[doi:10.3969/j.jssn.1000-2006.2008.06.001]
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碳源和氮源对黑曲霉分泌β-葡萄糖苷酶的影响
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《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

卷:
32
期数:
2008年06期
页码:
001-4
栏目:
研究论文
出版日期:
2008-11-30

文章信息/Info

Title:
Effects of carbon and nitrogen sources on β- glucosidase biosynthesis by Aspergillus niger nl -1
文章编号:
1000-2006(2008)06-0001-04
作者:
赵林果游丽金倪 浩宗雅冬余世袁
南京林业大学化学工程学院,江苏 南京 210037
Author(s):
ZHAO Lin-guo YOU Li-jin NI Hao ZONG Ya-dong YU Shi-yuan
College of Chemical Engineering Nanjing Forestry University, Nanjing 210037, China
关键词:
β-葡萄糖苷酶碳源氮源黑曲霉
Keywords:
β - glucosidase Carbon source Nitrogen sources Aspergillus niger
分类号:
TQ352
DOI:
10.3969/j.jssn.1000-2006.2008.06.001
文献标志码:
A
摘要:
<正>应用有限元软件ANSYS,采用三维八节点固体单元有限元模型,分析了橡胶沥青应力吸收层的设置对路面防裂的影响,并探讨了应力吸收层的模量和厚度的合理取值。结果表明:设置橡胶沥青应力吸收层可以减少沥青面层在裂缝区的应力集中,增加路面结构的疲劳寿命,延长路面使用年限。
Abstract:
Effects of carbon and nitrogen sources on the biosynthesis of β- glucosidase by Aspergillus niger nl- 1 were investigated. The results showed that bran was the best carbon source for β - glucosidase production among the studied carbon sources, and its preferable concentration was 4%. In the experimental sources of nitrogen, (NH4)2SO4 and the peptone were the best nitrogen source to produce β -glucosidase as inorganic nitrogen and organic nitrogen, respectively. Moreover, the indueing β - glucosidase ability of mixture nitrogen source was better than that of a single nitrogen source. The favorable ratio of them was 0.2% ammonium sulfate and 3. 19% peptone. In these eases, the highest activity of β - glucosidase, 4.82 U/mL, was obtained.

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更新日期/Last Update: 2013-05-20