On the other hand, removing DMC out of the reaction zone in time can not only promote the reaction of MC to DMC, but also suppress the side reaction effectively.

  • 反应过程中及时移出产物碳酸二甲酯既可以促进氨基甲酸甲酯向碳酸二甲酯转化,又可以有效地抑制副反应发生。
  • 来源:互联网摘选更新时间:2026-07-01 16:17:41

  • 重点词汇
  • onprep. (覆盖、附着)在…上;由…支撑着;在(运输工具)上;在(某一天);就在…之后;关于(事或人);(身上)带着;为(某团体或组织)的一员;吃;(表示方向)在,向,对;在,接近(某地);根据;以…支付;通过;与…相比
  • promotev.促进;促销;晋升;使…升级;
  • in time迟早; 最后;及时; 经过一段时间之后;
  • onlyadv.只有;只不过;仅仅;唯有;…才;只能;只会不料;
  • can not未可; 不能; 不可;缩写词为CNT;
  • siden. 面;边;一方;方面;侧面;旁边;一边;一侧;(事物左方或右方的) 一旁;斜面;边缘;近旁;一面;一面纸的文字;(立体的)一方的意见(或态度、立场);一扇(牛肉、猪肉等)
  • suppressvt.镇压,压制;止住,忍住;禁止发表;阻止…的生长(或发展);
  • effectivelyadv.有效地;实际上,事实上;
  • 相关例句
1、

On the analysis of the relationship between fissure closure zone and time, we gave the calculation method of the fissure closure zone. ( 4) We discussed the concept of key aquifuge and determination ways.

通过分析裂缝闭合带与时间之间的关系,给出了裂缝闭合带的计算方法。(4)探讨了关键隔水层的概念及确定方式。

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2、

Setting the time zone establishes the standard time for the region in which your computer is located.

设置时区,建立计算机所在地区的标准时间。

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3、

Time zone Person's time zone where they are physically located This data helps users and systems know where a person is located.

Time zone个人所在的地区的时区该数据帮助用户和系统了解个人所在的位置。

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4、

The distributions of temperature, stress, strain, strain rate, displacement and viscous damping coefficient within ductile shear zone at different time intervals are distinguished in the cases of accelerating creep age and strain softening.

并对加速蠕变和应变软化两种情况,给出了不同时刻韧性剪切带内的温度、应力、应变、应变率、位移和粘滞系数的分布特征,描述了岩石递进变形的规律。

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5、

T1: when the objected object enters the action zone, the time from proximity sensor being in action state to output appearance.

检测物体进入动作区内,从接近传感器成为动作状态到出现输出的时间。

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6、

In China, the decision in 1949 to establish a single national time zone on Beijing time replaced the previous system of five time zones which had been established in 1912.

1949年,中国设定北京时间为全国统一时区,取代了1912年划定的5个不同时区。

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7、

Through the synthesis of the analyzed relations and simulation results, several important results are gained about effect of ratio of initial gas and particles velocity in accelerating zone on time, distance and acceleration of particles.

通过对解析关系和数值模拟结果的分析,给出了初始气固速度比对加速区变速运动的时间、距离、加速度等参数的影响。

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8、

As you enter each zone, the time changes one hour.

每当你进入一个时区,时间就会改变一小时。

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9、

This paper considers that the difference between "with project" and "without project" lies in unequal freight volume and traffic service factor on same O-D zone at corresponding time.

本文提出,无项目情况与有项目情况的区别在于,在项目计算期内相应的时间点上,相同的OD对的客货运量的大小以及耗费时间等交通服务变量是不同的。

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10、

Results TGF β enabled the chondrocytes to express type ⅰ collagen and fibronectin, and it enhanced the expression of ALP in hypertrophic zone. Time effect and dosage effect relationships were observed.

结果TGF-β可使肥大区软骨细胞表达型胶原和FN,使ALP表达增加,并存在着量效和时效关系。

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11、

Through the control strategy, the power can be distributed reasonably, SOC could be maintained in the best zone all the time.

通过整车控制策略,可以实现合理的功率分配,并能保证动力电池的SOC始终维持在最佳区域内。

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12、

Discussion on Division of Groundwater's Waterhead Protection Zone By Time Criteria

试论地下水水源保护区划分的时间标准

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13、

There is a parabolic relationship between the width of carbon enriched zone and aging time;

增碳层与时效时间呈抛物线关系;

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14、

Application with the driving zone and driving time should marked.

注明行驶区域和行驶时间的书面申请。

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15、

According to DSC and non-isothermal crystallization kinetic analysis, with the increase of PET viscosity, the onset crystallization temperature shifted to the low temperature zone, half-crystallization time shortened and the crystallization rate slowed down.

根据DSC和非等温结晶动力学分析,随着PET粘度增大,结晶峰温度向低温方向偏移,半结晶时间增大,结晶速率降低,结晶变得困难,并且降温速率越快,PET越难结晶。

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16、

Now, you will be able to select your time zone and correct your time.

现在,您可以选择您的时区和校准时间。

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17、

We established the time series model by writing SAS program and using original data.

基于调查自内蒙古土默特平原的原始数据,编写SAS语言程序,建立了多元时间序列模型。

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18、

Multivariate Statistical Analysis of Classic Experiments Design and its SAS Programme

经典试验设计的多元分析及其SAS实施

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19、

Application of the SAS in the statistical analysis of clinical laboratory data

SAS软件在临床检验实验数据统计分析上应用技巧的研究

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20、

Application of Cluster Analysis from SAS System in the Process of Agricultural Research and Statistics Analysis

SAS聚类分析过程在农业试验统计分析中的应用

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