[求有关英语教学法的英语论文]The purpose of this paper is to get a close look at different teaching methods between a native-speaking English teacher and a Chinese English teacher. It mainl...+阅读
Coenzyme A (CoA) and its thioester derivative acetyl-Coenzyme A (acetyl-CoA) participate in over 100 different reactions in intermediary metabolism of microorganisms. Earlier results indicated that overexpression of upstream rate-limiting enzyme pantothenate kinase with simultaneous supplementation of precursor pantothenic acid to the culture media increased intracellular CoA levels significantly (10-fold). The acetyl-CoA levels also increased (5-fold) but not as much as that of CoA, showing that the carbon flux from the pyruvate node is rate-limiting upon an increase in CoA levels. In this study, pyruvate dehydrogenase was overexpressed under elevated CoA levels to increase carbon flux from pyruvate to acetyl-CoA. This coexpression did not increase intracellular acetyl-CoA levels but increased the accumulation of extracellular acetate. The production of isoamyl acetate, an industrially useful compound derived from acetyl-CoA, was used as a model reporter system to signify the beneficial effects of this metabolic engineering strategy. In addition, a strain was created in which the acetate production pathway was inactivated to relieve competition at the acetyl-CoA node and to efficiently channel the enhanced carbon flux to the ester production pathway. The synergistic effect of cofactor CoA manipulation and pyruvate dehydrogenase overexpression in the acetate pathway deletion mutant led to a 5-fold increase in isoamyl acetate production. Under normal growth conditions the acetate pathway deletion mutant strains accumulate intracellular pyruvate, leading to excretion of pyruvate. However, upon enhancing the carbon flux from pyruvate to acetyl-CoA, the excretion of pyruvate was significantly reduced 你好，我有相关资料，我可以帮助你的，谢谢。
商务英语专业的可以写哪些题目的论文
商务英语是以适应职场生活的语言要求为目的，内容涉及到商务活动的方方面面。商务英语更多地是向学员传授一种西方的企业管理理念、工作心理，甚至是如何和外国人打交道，如何和他们合作、工作的方式方法，以及他们的生活习惯等，从某种程度上说是包含在文化概念里的。下面学术堂精选了20个商务英语论文题目，供大家参考：
1、商务英语函电中的语境分析
2、旅游业中商务英语重要性分析
3、在对外贸易谈判过程中商务英语的应用与技巧
4、商务英语在对外贸易中的技巧与应用
5、浅析商业文化传播中商务英语的应用
6、基于商务英语写作的反馈研究
7、基于语料库的商务英语信函多维度对比分析
8、论商务英语语篇阅读中的语块效应
9、英语商务文本翻译策略总结性研究
10、基于语言经济价值的商务英语研究
11、目的论视角下的商务英语信函中模糊限制语的汉译方法研究
12、浅析功能对等理论在商务英语广告翻译的运用
13、基于语用连贯的商务函电谋篇探析
14、跨文化情境下商务英语口译研究--从释义理论解析文化意象处理策略
15、基于功能对等理论探究商务英语翻译
16、论译者隐喻能力与商务英语翻译
17、基于功能翻译理论的商务英语翻译研究
18、商务谈判中的英语委婉语的运用及其表达方法
19、商务英语口译能力要素的基本构成
20、高职商务英语人才在“互联网+”新常态下的需求分析...
本科生英语专业论文问题。
毕业论文写作，完成学生从读者到理论分析的升华。Guerin认为，“读者参与在文本的创作中”.作品的意义是文本和读者相互作用的结果，它强调读者在阅读过程中的不同参与方式。这一理论代表人物之一伊瑟尔指出，所有文学篇章都有“空白”或“缺口”，这些空白和缺口必须由读者在解读过程中填补或具体化（刘辰诞， 1999）。文学作品须由接受者内化和心灵化，即需要接受者的理解、体验、加工、补充和创造，融入接受者的思想和情感、倾向和评价，只有这样，作品中的时间、人物形象等才会活生生地呈现在自己的头脑中（郭宏安， 1997）。从这个角度暴露了英语专业教育中一贯的“知识单一和技能单一”问题，带来的思考是应该如何培养学生多种语言技能，满足其独立学习的需要。
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