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The establishment of the University of Zulia in 1846. Well-developed transport, international airports and routes, waterways can pass ocean-going vessels and oil tankers, about 8 km-long General Urdaneta Bridge and North East, there are road and the east coast of the Maracaibo Lake City interlinked.

交通发达，有国际机场和航线，水路可通远洋轮和油轮，有约8公里长的乌达内塔将军桥与东北部连接，有公路与马拉开波湖东岸各城相通。

Camel borne travelers are guided across the Mauritanian desert along old caravan routes .

骑在骆驼背上的旅人在向导的带领下沿古老的商路穿越毛里塔尼亚。

Former Turkish energy official Mithat Mende says the need for alternative routes will increase in the future.

前土耳其能源官员米特哈特芒德说，替代路线的需求将在未来增加。

A large merchant ship formerly used on trade routes to India.

大商船一种大商船，历史上用作去往印度的商业航线

This paper introduced several synthetic routes of methacrylic acid polyoxyethylene ester,reviewing their advantages and disadvantages.

介绍了甲基丙烯酸聚氧乙烯酯的几种合成工艺路线，并对各种工艺路线的优缺点进行了评述。

Due to the ability of the bivalent magnesium cation to form stable chelate complexes with carbonyl compounds,magnesium methylate for example is used as a selective carbonyl condensing agent. Three synthesis routes was proposed based on literatures and comprehensive comparison with other ways. First,Magnesium methylate is prepared by reacting magnesium metal with dry methanol.The magnesium salts of"higher"primary alcohols,i.e.alcohols with ≥ 2 carbon atoms,do not react directly with pure alcohols under normal conditions.In fact catalysts are required to set the reaction in motion and the preparation is performed under pressure at the higher temperatures.

一、直接合成法：本文将镁与无水甲醇直接反应制得甲醇镁；"更高级"的醇（比如C≥ 2的醇）在无催化剂的条件下无法直接和镁进行反应，本文以CCl4为催化剂将无水乙醇与镁直接反应制得乙醇镁，但是以原甲酸三乙酯为催化剂无水乙醇与镁无法反应；不论是以CCl4为催化剂还是以原甲酸三乙酯为催化剂，丙醇均无法与镁直接反应。

Due to the ability of the bivalent magnesium cation to form stable chelate complexes with carbonyl compounds,magnesium methylate for example is used as a selective carbonyl condensing agent.Three synthesis routes was proposed based on literatures and comprehensive comparison with other ways.First,Magnesium methylate is prepared by reacting magnesium metal with dry methanol.The magnesium salts of higherprimary alcohols,i.e.alcohols with ≥ 2 carbon atoms,do not react directly with pure alcohols under normal conditions.In fact catalysts are required to set the reaction in motion and the preparation is performed under pressure at the higher temperatures.

一、直接合成法：本文将镁与无水甲醇直接反应制得甲醇镁；"更高级"的醇(比如C≥2的醇)在无催化剂的条件下无法直接和镁进行反应，本文以CCl_4为催化剂将无水乙醇与镁直接反应制得乙醇镁，但是以原甲酸三乙酯为催化剂无水乙醇与镁无法反应；不论是以CCl_4为催化剂还是以原甲酸三乙酯为催化剂，丙醇均无法与镁直接反应。

This land is an important part of the habitat and migratory routes for several endangered species that frequent the park.

（这片土地是非常重要的，因为这里是几种经常光顾此公园的濒危物种的栖息地和迁徙路线。

Based on the analysis of its structural character, two routes were designed and systemically studied to synthesize the aglycone moiety.

在分析苷元结构特点的基础上，我们设计了合成苷元的两条路线并进行了系统地研究。

However, even if the market turns out to be smaller than Airbus is hoping for, the A380 looks likely to dominate, if not monopolise, long high-density routes for years to come.

然而，即使市场比空客所想像的要小的话，在未来几年，A380似乎也会占据长距离高密度的航线市场，如果这不是垄度的话。

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。