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The results show that the optimal parameters of esterification are as follows: 4% of SO42-/ZrO2, molar ratio of methanol to litsea cubeba kernel oil 101, 68 ℃ of reaction temperature and 4 h of reaction time, the acid value decreases to 2.52 mg/g. Compared with the traditional acidic-catalyzed method, this method has the advantages of no acid proof equipment, easy to recycle catalyst and no acidic waste water emission. The optimal parameters of transesterification are as follows: 25 ℃ of reaction temperature, 0.5% of hexadecyl-trimethyl-ammonium bromide, 1% of NaOH, molar ratio of methanol to the oil 61 and 15 min of reaction time. The ester exchanging rate is 97.6%. This method adopts phase transfer catalyst and produces industry prospect, which has many advantages such as energy-saving and time-saving under room temperature.

研究结果表明，固体酸SO42-/ZrO2催化酯化反应的最佳条件为：油重4%的SO42-/ZrO2，醇油摩尔比为101，温度为68 ℃，反应时间为4 h，原油酸值降到2.52 mg/g；该法相对浓硫酸催化酯化法具有不需耐酸设备、催化剂易回收、无废水排放等优点；相转移催化酯交换反应的最佳条件为：温度为 25 ℃，0.5%的十六烷基三甲基溴化铵，油重1%的NaOH，醇油摩尔比为61，反应15 min，原油酯交换率达到97.6%；采用相转移催化技术，反应在常温下进行，大大减少了能耗，缩短了反应时间，具有的产业化前景。

From what has been discussed above,we may safely draw the conclusion that,although extra studies indeed enjoy many obvious advantages,its disadvantages shouldn't be ignored and far outweight its advantages.

通过以上讨论，我们可以得出结论：尽管额外学习的确有很多优点，但它的缺点不可忽视，且远大于它的优点。

From what has been discussed above, we may sately draw the conclution that, although extra studies indeed enjoy obvious advantages, its disadvantages shouldn't be ignored and far outweight its advantages.

通过以上讨论，我们可以得出结论，尽管额外学习有许多优点，通过以上讨论，我们可以得出结论，尽管额外学习有许多优点，但它的缺点不可忽视，且远大于它的优点，因此，放学后强迫孩子额外学习是不明智的。

However, the advantages of globalism overweigh its disadvantages, and we should react positively to globalism and antiglobalism, taking their advantages and avoiding the disadvantages to become their beneficiaries.

但全球化的利远大于弊，面对全球化和反全球化，我们应该积极应对，趋利避害，成为全球化的&收益者&。

The author describes the current situation and the advantages of developing sericulture and silk industry in Shaanxi, and maintains that it is imperative to grip the opportunities of developing Western China and make full use of sericultural advantages to boost its further development.

文章论述了陕西蚕桑丝绸业的现状和发展优势，认为应抓住西部大开发的机遇，充分利用蚕桑产业具有显著的经济、生态和社会效益的特点，推动陕西省蚕桑产业的进一步发展。

Properties and Advantages:This line features stable platification,high output,low sheering force,long life service and other advantages.

性能和优点：参照外国最新技术，对机组进行优化设计，具有塑化均匀，剪切速率小，产量高，使用寿命长等优点。

The paper selects Qinghai City to analyze its investment environment for both active and passive investment in a combination of environmental assessment studies and optimizes the investment environment countermeasures, in addition to use the SOWT analysis for the conduct of evaluation studies on western mining investment environment. The aim is to take the advantage of mineral resources into market advantages and economic advantages.

选取青海省矿业进行案例分析，运用SOWT分析法对其矿业投资环境进行评价研究，针对其存在的问题，提出优化投资环境的对策，促使其矿产资源优势转化为市场优势和经济优势。

University of Petroleum Sunland Industrial Corporation was established in 1988, the national Torch Program is focused on high-tech enterprises - large stone Shandong Science and Technology Group Limited, a wholly owned subsidiary, the company relies on China University of Petroleum Corporation and the outstanding academic, Scientific research and human resources advantages, and actively carry out technical innovation, in the oil refining chemicals, water treatment agent, cleaning agents and various types of oil additives such as the technology has obvious advantages.

石油大学新地实业公司成立于1988年，是国家火炬计划重点高新技术企业—山东石大科技集团有限公司的全资子公司，公司依托中国石油大学和集团公司优秀的学术、科研和人才资源优势，积极进行技术创新，在炼油助剂、水处理剂、清灰剂及各类油田助剂等方面具有明显的技术优势。

However, due to the substantially different allocation of resources in various geographic regions, along with their own characteristic formation, agglomerate economies show rather a strong tendency of unhomogeneity, which leads to the unhomogeneous characteristics of their advantages regarding FDI attraction. Therefore, this paper proposes there exists an interactive relationship between the primary advantage and the multi-level agglomerate advantages by dividing the latter one into original agglomerate advantage and late-developing agglomerate advantage.

本文认为虽然随着经济全球化和信息技术的进一步发展，基础性优势的重要性逐步下降，从一种显性优势转化为潜在优势，是东道国吸引FDI的一种比较优势，集聚性优势则起着越来越重要的作用，是东道国吸引FDI的一种竞争优势，两者之间存在着质的差别，但作为分别作用于国家和次国家两个不同层面上的优势，基础性优势和集聚性优势之间存在着互动互补关系，基础性优势是集聚性优势形成的前提，集聚性优势则是对基础性优势的提升，两者共同构成了东道国吸引FDI的二重优势，在东道国吸引FDI中缺一不可。

However,it is already possible to combine the advantages of high-through put proteomics in studying endoge-nous,untagged proteins in cell populations with the advantages of studying FP-tagged proteins at the single-cell level using fluorescencemi cros-copy.

然而，在研究内源性方面，已经尽可能结合高通量蛋白质的优势，细胞群体中未被标记的蛋白质利用在单细胞水平研究FP标记的蛋白质的优势使用了显微荧光交叉拷贝。

As of Tuesday, Google's results were still censored in China.

截至周二，谷歌的搜索结果仍受中国审查。

In order to make the positive action increase and negative one decrease, the sub-forces of the social factors must be adjusted to form a centripetal force.

在这一过程中，人的主体性发挥是社会有机体健康发展的灵魂。