【摘 要】
:
Lovastatin production by Aspergillus terreus ATCC 20542 in solid-state fermentation (SSF) was studied. Various substrates were used to evaluate the ability of A
【机 构】
:
InstituteofBiochemicalEngineering,DepartmentofBiochemicalEngineering
【基金项目】
:
Project (No-20061475) supported by Education Department of Zhejiang Province, China The authors would like to thank Miss LI Ju-qing in Zhejiang University of Science and Technology for assistance in H
论文部分内容阅读
Lovastatin production by Aspergillus terreus ATCC 20542 in solid-state fermentation (SSF) was studied. Various substrates were used to evaluate the ability of A. terreus to produce lovastatin. The results showed that either rice or wheat bran was suitable
其他文献
采用溶剂热法制备了Fe3O4纳米粒子,再经两步法制备了核壳结构Fe3O4@PDA@BSA纳米复合材料,并利用X-射线衍射仪(XRD)、透射电镜(TEM)、振动样品磁强计(VSM)对样品形貌及磁性能进行了
油基钻井液的应用降低了摩阻,确保了钻井施工安全,提高了钻井时效.但是,岩屑样品却受到严重污染,难以准确识别岩性.分析了油基钻井液对岩屑录井造成的不利影响,提出了在油基
The problem of a rigid disk acting with normal force on saturated soil was studied using Biot consolidation theory and integral equation method and the Merchant
<正> 医药乳酸钠含量的测定,通常采用非水滴定法。乳酸钠作为乳酸(CH3CHOHCOOH)的共轭碱其Kb=7.14×10-11(pKb=10.14),因此CM·Kb《10-8,所以,不能在水溶液中采用通常的酸碱滴定
[1]Chou,P.A.,Sehgal,A.,2000.Rate-Distortion Optimized Receiver-Driven Streaming over Best-Effort Networks.Packet Video Workshop.Pittsburg,PA.[2]Chou,P.A.,Miao,Z
本文主要针对配网线路电压质量与供电可靠性的提升进行研究,首先分析配网线路电压质量以及供电可靠性的影响因素,针对影响因素提出电压质量的提升策略,并最终提出配网线路供
建筑企业要在激烈的市场竞争环境中获得迅速发展,首先要做好企业内部的管理,尤其是对财务制度的管理,这是建筑企业管理的重点,本文从三个方面阐述了建筑企业的财务内控制度。
针对深井钻进过程中井底温度高、地层压力大、钻井液流变性差、地层盐水污染等技术难题,合成了磺酸盐共聚物降滤失剂(SSDP),通过优选处理剂,研制了一种抗高温高密度钻井液配
随着我国城镇化进程的加快,我国已开始缓慢进入老龄化阶段,社会保障体系作为维护社会的安全网和稳定器,在保障社会公平、保障和群众基本权益方面意义重大。我国在逐渐的健全
<正>美国心理学家和梦境研究人员帕特里夏·加菲尔德断言,不论我们是谁、从事何种职业、在哪里生活,都会做12种基本的梦,她将其称之为"普遍梦境"。尽管如此,加菲尔德认为这些