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Monochloroethylene carbonate is prepared by chlorination of ethylene carbonate with sulfuryl chioride ,a solution of monochloroethylene carbonate in ethylene carbonate is reacted with triethylamine to give vinylene carbonate.A parameter design method was applied to select the optimum synthesis conditions.63.3％ and 78％ yields superior to the conventional for monochloroethylene carbonate and vinylene carbonate were obtained respectively,and the process was also simplified .

以碳酸乙烯酯为原料，用磺酰氯作为氯化剂生成一氯代碳酸乙烯酯，三乙胺为脱卤化剂在碳酸乙烯酯溶剂中合成碳酸亚乙烯酯，对一氯代碳酸乙烯酯和碳酸亚乙烯酯制备的工艺参数进行优化，收率分别达到63.3％和78％，均超过了传统方法，且简化了工艺，缩短了反应时间，易于工业化生产。

Vegetation indexes were calibrated according to their changing trends, and winter wheat yield estimation models were established based on the sum of vegetation index with pixel ratio and normalized difference vegetation index in different growing areas, respectively, according to their relations to wheat yields.

同时，利用植被指数变化规律对各时相植被指数进行修正，根据植被指数分布情况及其与产量的关系，分别构建了基于像元比值植被指数之和及不同长势区归一化植被指数的冬小麦估产模型。

The results showed that EM microbial compost increased winter wheat and summer maize yields significantly.

结果表明：EM微生物堆肥能明显增加冬小麦和夏玉米的产量。

Based on many years researches in the field, the experiment was conducted to study the effects of the different fertilizer on winter wheat and summer maize growth and yields.

在多年连续定位试验研究的基础上，研究了不同施肥方式对冬小麦、夏玉米生长和产量的影响。

The introduction of local supersymmetry on worldsheet results in the Ramond-Neveu-Schwarz model, and global supersymmetry in the ten-dimensional spacetime directly yields the Green-Schwarz superstring. The Green-Schwarz superstring theory is a covariant theory.

这两种描述方式的不同点是：Ramond-Neveu-Schwarz超弦理论在超弦的世界面引入局域的超对称，Green-Schwarz超弦理论是在十维时空中直接引入超对称，它是一个协变的理论。

The introduction of local supersymmetry on worldsheet results in the Ramond-Neveu-Schwarz model, and global supersymmetry in the ten-dimensional spacetime directly yields the Green-Schwarz superstring.

这两种描述方式的不同点是：Ramond-Neveu-Schwarz超弦理论在超弦的世界面引入局域的超对称，Green-Schwarz超弦理论是在十维时空中直接引入超对称，它是一个协变的理论。

This technology is applied in Tan Shan xi jiao swage sludge treatment plant .It yields good results.

四、该技术在唐山西郊污水处理厂进行了实际应用，取得了很好的效果。

Results of the study indicate that the probability-based tagger outperforms the rule-based tagger, and that the probability-based tagger yields an accuracy comparable to that achieved when the tagger is used to tag English native speakers' texts. It is also found that the rule-based tagger does not perform stably, and that its accuracy is often affected by the quality of learner language.

研究发现，作为一种基于概率的自动词性赋码器，CLAWS7具有较为可靠的性能，其赋码准确率基本达到该工具为英语母语进行词性赋码时的水平，而作为一种基于规则的词性赋码器，Brill的赋码准确率不够稳定，受学习者语言质量特别是语言错误的影响较大。

Po tato yields more than double in 3 years, benefiting 1,100 farming families.

土豆产量在3年里翻了1倍多，造福了1，100户农业家庭。

To impose the land value added tax on real estate development enterprises plays important roles in adjusting the distribution of land appreciation yields, safeguarding the state's interests and promoting the sound development of real estate industry.

土地增值税是国家进行宏观调控的重要税种，对房地产开发企业征收土地增值税，在调节土地增值收益分配，维护国家权益，促进房地产业健康发展等方面具有重要作用。

For every one of my New Year resolutions, I have been a backslider for years.

说到我的新年决心，我每年都做

With empathy and focus on a feeling level, we can all relate to the common ground of mutuality of emotions.

有了同情心和感觉上一级的重点，我们都可以涉及到相互的情感共同点。