查询词典 aromatic compounds

The above-mentioned compounds display the relative permittivity of around 10~20, the quality factor of around 1000~30000 GHz and the temperature coefficient of resonant frequency of around -9~-100ppm /℃.The compounds are sintered in the temperature range of 700 ~ 1100oC.

以上化合物相对介电系在10~20之间，化合物Q×f约为1000 ~ 30000、温共振系为-9~-100ppm /℃烧结温均并高在700~1100oC之间。

Finding ways to reposition or repurpose these compounds is a high-growth opportunity due to the relatively low cost compared to developing new compounds.

设法复位或重新安排这些化合物是一个高增长的机会，由于相对较低的成本相比，开发新的化合物。

Preliminary bioassay indicates that some compounds display herbicidal activity and excellent fungicidal activity to some extent, and among them the compounds 5k and 8f exhibit higher than 90% inhibition effect against Rhizoctonia solani in dosage of 50 mg/L.

初步的生物活性测试结果表明，所合成的化合物均表现出不同程度的除草及杀菌活性，其中化合物5k和8f的活性最好，在50mg/L浓度下对水稻纹枯病菌的抑制率达90%以上。

The content of the volatile compounds reaches highest at 6 months and then decreases. The contents of volatile compounds in M. semimembranosus and M.

而挥发性化合物的含量在6个月达到最高值半膜肌和股二头肌干物质中分别为9240.16μg壬烷·100g~(-1和13227.85 μg壬烷·100g~(-1)，然后含量下降。

The re-sults showed that 47 volatile compounds were totally identified, of which monoterpene and sesquiterpene compounds were the main components.

结果共确认出47种挥发性成分，其中单萜类和倍半萜类化合物为主要组分。

Results: SPME was effective to analyze the flavor substances in Portunus trituberculatus and Squilla Oratoria, 20 and 15 main volatile compounds were identified respectively by comparing their mass spectra with those contained in the NIST mass spectral database; among these compounds most of them were carbonyl and alcohols.

结果：固相微萃取技术有效提取了三疣梭子蟹和口虾蛄肌肉中的呈味物质，经过NIST质谱数据库和文献对照，分别确定了20种和15种主要呈味物质，大多是一些酸类、酯类、醛类、醇类等化合物。

They are 30 flavonoids of which 12 are new compounds, six are steroid compounds (2 new sterol), 2 new stilbenes, 2 lignans.

应用光谱和波谱技术鉴定了所有化合物的结构，特别是应用二维核磁共振技术解析了18个新化合物的结构。

Hydrothermal synthesis of Sn-contained complex compounds mostly focuses on the synthesis of sulfur-substitute stibium acid metallic complex compounds.

含锑配合物的水热溶剂热合成主要集中在硫代锑酸金属配合物的合成上。

This includes the determination of gross reducible iron and manganese oxides, their soluble behavior and the kinetics of redox reaction between iron and manganese oxides and phenolic compounds. Finally, the reductive dissolution of natural minerals in soils in tropic and subtropic zones by phenolic compounds in comparison with corresponding synthetic minerals it also given.

本文的研究得到了广东省自然科学基金《广东土壤与有机污染物间界面反应及污染土壤的同步修复》(编号：020615)和广东省科学院2000年度优秀青年科技人才基金《热带亚热带环境质量评价的矿物标识体系研究》的资助。

Results show that hydroxyl group existing in benzene ring, sulfanilamide being adjacent to hydroxyl group and benzene ring itself are main active sites of this kind of compounds probably. Orbit energy distributing on groups and the number of net charge of N atom determine compounds' insecticidal activity directly.

计算结果表明，该类化合物中苯环上的羟基、羟基相邻的磺胺基团以及与该苯环的组合很可能是该类化合物的主要活性部位，分布在基团上的前线轨道以及N原子的净电荷的多少直接决定化合物的杀虫活性。

Mr. Putin said there were signs of genocide against the Ossetian people.

普京说，有迹象表明对南奥塞梯人进行了种族清洗。

What I'm trying to say, Tristan is...

特瑞斯坦。我想说的是。