1、

The ionic liquids formed from anhydrous AlCl 3 with low-carbon-chain quaternary ammonium salt such as tetrabutylammonium bromide or triethylamine hydrochloride exhibit the advantage of easy separation from reaction mixture. The isolated yield of 1,2-bis ( 3,4-dimethylphenyl) ethane is in the range of 40%~ 60%.

短碳链季铵盐四丁基溴化铵或三乙胺盐酸盐与无水AlCl3形成的离子液体具有与产物易于分离的优点,1,2-双(3,4-二甲基苯基)乙烷的分离产率为40%~60%。

互联网摘选

2、

It is also revealed that the rich Ge films which deposit under higher temperatures exhibit T2 phase with tetragonal structure, while those which deposit under lower temperatures exhibit T phase with hexagonal structure.

发现在较高温度下沉积时,富Ge薄膜往往伴随四方结构T2相存在;相反,在较低温度下沉积时多出现六方结构的σ-Nb5Ge3相。

互联网摘选

3、

The tetrahydroquinoline moiety is present in various natural products, and many tetrahydroquinoline derivatives exhibit a broad range of biological activities.

四氢喹啉类化合物存在于许多天然产物中,许多具有简单或复杂取代基的四氢喹啉衍生物展示了广泛的生物活性。

互联网摘选

4、

After that, the system can exhibit visible results by means of synthetical statistics from text processing.

通过对文本处理的综合统计,给出可视化的结果。

互联网摘选

5、

Besides the positive temperature coefficient of resistance effect above the Curie temperature, it also exhibit a strong negative temperature coefficient of resistance below the Curie temperature.

该材料的主要特性是在居里温度Tc以下呈现较强的NTC效应,而在Tc以上则表现为PTC效应。

互联网摘选

6、

The results show that SBS modified asphalt exhibit better high and low temperature property.

结果表明,制备的SBS改性沥青,具有较好的高、低温等性能。

互联网摘选

8、

Under the conditions of containerless processing, Pb-4wt% Sn-12wt% Sb ternary eutectic alloys exhibit a transition from lamellasome structure to granular structure;

在落管无容器快速凝固条件下,Pb-4wt%Sn-12wt%Sb三元共晶合金组织形态由层片状转变为粒状;

互联网摘选

9、

Terphenyllin has not been extensively studied but has been reported to exhibit anti-oxidative activity, acts as a plant growth inhibitor and shows weak activity against HIV integrase.

三联苯曲菌素还没有被广泛的研究但已报道显示其有抗氧化的活性,做为一种植物生长抑制剂,也显示了弱的抗HIV整合酶的活性。

互联网摘选

10、

We found that when we taught participants to ask "What if?" and "How can?" questions that nobody present would know the answer to and that would spark exploration, they engaged in better inquiry at the next exhibit — asking more questions, performing more experiments and making better interpretations of their results.

我们发现,当我们教参与者问“如果?”和“如何?”这种在场的人无法回答、需要激发探讨的问题时,他们会在下一次展览会上表现得更好,提出更多问题,进行更多实验甚至详细解释其结果。

六级真题- 2015年 12月 3卷 阅读A

11、

The evening was topped off by a special showing of the museum's new Degas exhibit

最后博物馆特别展示了其新收藏的一件德加作品,当晚的活动就此圆满结束。

柯林斯高阶英汉双解学习词典

12、

The results show that bulk materials of PEEK obtained by rapid compression exhibit a single amorphous phase and high thermodynamic stability.

结果发现:快速增压制备的非晶聚醚醚酮具有更高的热稳定性和均一密实的结构。

互联网摘选

13、

The blends exhibit thermoplastic elastomer behavior or toughened plastic behavior.

参与共混的结晶聚合物的熔点随离聚体含量增加而下降,而在形态结构上则呈现交叉连续相,共混物呈现热塑性弹性体行为或增韧塑料行为。

互联网摘选

14、

Unlike linear polysiloxane, silicone resins and organosilicon elastomers exhibit novel properties and more extensive applied foreground due to their three-dimensional network structure.

其中硅树脂和有机硅弹性体由于其交联的三维网络结构而具有不同于线型聚硅氧烷的新颖性能。

互联网摘选

15、

The emperor of Brazil exclaimed," it talks" soon crowds were gathering around the exhibit and, from that time on, bell was famous.

巴西国王则惊呼:“这玩意竟能说话!”不一会儿,人们就聚集在贝尔的展台边。从那时起,贝尔出名了。

provided by jukuu

16、
17、

The entangled titanium wire materials exhibit good energy absorption efficiency when deformation within 18%-30%.

纤维缠绕型多孔钛在形变量为18%-30%时,具有较好的能量吸收效率。

互联网摘选

18、

The nuclide chart involves electron, positron, antiproton, antineutron, photon to exhibit the symmetry of mass and charge ideally.

该核素图将电子、正电子、反质子、反中子和光子收录在内,完美地表现了质量和电荷的对称性。

互联网摘选

19、

Fields can also be defined to include help text, to follow rules, and to exhibit specific reporting behavior.

也可以定义字段以包括帮助文本,遵循相应规则,以及展示特定报告行为。

provided by jukuu

20、

A further analysis of individual model reveals that they exhibit the optimal or the measure optimal testing sequence.

在分析每个模型的基础上,证明它们存在最优或依测度最优的试验序列。

互联网摘选

  • 今日热词
  • 热门搜索

英语网英语词典(dict.25820.com)为您提供在线翻译英语词典单词大全英译汉汉译英等英语服务!可按单词字数词义分类查询。支持lj:关键词格式查询例句。

用户反馈
请选择反馈类型(可多选):
您的联系方式:
反馈内容:
提交成功 小编会尽快处理
回到顶部
点击反馈