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To determine the regulating role of mtlR in transcription of mannitol PTS operon in V.cholerae,and whether it plays a role in the ferment difference of the toxigenic and non-toxigenic strains,the mtlR deletion mutants from the mannitol rapid-ferment strain(non-toxigenic strain) and slow-ferment strain were constructed.Comparisons of the growth in M9 containing 0.2% mannitol as the sole carbon source and pH change in mannitol fermentation media of these wild strains and their mutants,indicated that mtlR is a repressor.Its repression in mtlCBA transcription was further verified with the analyses of quantitative reverse-transcriptional PCR.

通过比较快发酵菌株和慢发酵菌株mtlR缺失突变株与野生株在含0.2%甘露醇的M9培养液及甘露醇发酵液中生长、产酸等的变化，定性地证明了mtlR基因的抑制作用；另外通过定量RT-PCR进一步验证了MtlR蛋白在mtlCBA转录水平发挥负调控作用。

Based on Wu's general three-dimensional turbomachine flow theory, the flow field matrix line relaxation computer program was established for flow along the relative stream surface S2, employing non-orthogonal curvilinear coordinates and non-orthogonal velocity components.

针对叶轮机械S_2流面反问题的计算，介绍了使用任意非正交曲线座标和非正交速度分量的S_2流面反问题流场线松弛解法计算机程序。并对该程序与目前一般常用的速度推广法程序和矩阵直接解法程序的不同之处，作了简要的比较和评论。

The concept of ecological security design for nature reserves was firstpresented in this study.The conception of security should include non-military threats and non-military means of providing security,because withthe development of word economy and environmental cooperation,securityhas not been confined to military or state sovereignty,and environmentaldegradation often undercuts economic potential and human well-being,which in turm helps fuel social instability.

本研究首先提出了自然保护区生态安全设计的概念，认为安全概念应考虑非军事威胁和解决威胁的非军事手段，因为随着世界经济和环境交流与合作的不断发展，安全已不仅仅局限于军事和主权等领域，环境退化会削弱经济发展的潜力，影响人类社会的进步，导致社会的不稳定。

Preparation thechniques of buffer layers include both vacuum technology and non-vacuum technology. Chemical solution deposition method, a typal non-vacuum technology, is a high potential technique for large-scale industrial production since no expensive high-vacuum systems are used.

缓冲层的制备技术可分成以真空技术和非真空技术两大类，非真空技术以化学溶液沉积(Chemical Solution Deposition，CSD)为代表，不需要昂贵的真空系统，最可能实现大规模工业生产。

Preparation thechniques of buffer layers include both vacuum technology and non-vacuum technology. Chemical solution deposition method, a typal non-vacuum technology, is a high potential technique for large-scale industrial production since no expensive high-vacuum systems are used.

缓冲层的制备技术可分成以真空技术和非真空技术两大类，非真空技术以化学溶液沉积(Chemical Solution Deposition，CSD)为代表，不需要昂贵的真空系统，最可能实现大规模产业生产。

Viewing from the angle of the science of law and taking "rights" as the text for analysis,this article discusses the theoretical divergence on "the rights of nature" between the anthropocentrists and non-anthropocentrism.The anthropocentrists criticize the rights of nature from four aspects,its humanity,impracticality, uncontrollability and non-equivalence of its duties.The n...

从法学视角切入，以&权利&作为分析文本，论述了人类中心主义与非人类中心主义在&自然权利&上的理论分歧，人类中心主义者从权利的属人性、权利义务的不对等性、主张自然权利的非现实性以及自然权利的不可操作性四个方面对自然的权利提出了批判，而非人类中心主义者指出权利概念的在不断地扩展，人类中心主义不可能完全解决好人与自然的关系，自然权利存在着转化为在法律上具有可操作性的可能，并且自然权利理论已在法律实践领域拓展，对自然的权利进行了辩护，由此提出了&非人类中心主义&、&自然的权利&的环境伦理定位。

MTT may be used as a new photosensitizer underlight,non-light and different light energy intensity,with no toxic effectto C6 cells under non-light and increased toxicity under increased lightenergy intensity.

在光与非光、及不同光能量密度条件下应用MTT有可能成为新一代的光敏剂，其在非光照射时对C6无细胞毒作用，其细胞毒作用随光能量密度的增加而增强。

Objective: The sudden-death is belong to unexpectable, non-traumatic and non-suicidal suddenly death.

猝死(sudden death， SD)是凡属未能预期的、非创伤的、非自杀性的突然死亡。

Currently, we should carry on the State Department's policies of encouraging, supporting and directing non - public economy development combining with the predominance of Fujian to Taiwan. We should unloosen for inner and open for outer, furthermore, we should create loose and fair environment for non - public economy development from legislation, policy and system. Meanwhile, we should drive the...

当务之急要认真贯彻国务院关于鼓励支持和引导非公有制经济发展的政策，结合福建非公有制经济和对台优势，对内进一步放开，从立法、政策和制度上给非公有制经济的快速发展创造一个更加宽松、公平的环境，同时，进一步推动闽台区域经济合作，充分发挥非公有制经济在建设海峡西岸经济区过程中的重要作用。

However, compared with the average situation of developed areas, Baicheng non-government economy still has a long way to go, especially in these aspects: the enterprises are small and unpowerful; the technical content in product is not enough; the non-government entrepreneurs' personality has been in growth and so on.

尽管如此，与省内平均水平或与发达地区相比，白城市民营经济依然存在较大差距，主要表现为企业总体规模偏小、整体实力不强、产品科技含量不高、民营企业家整体素质有待提高等一系列问题。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。