查询词典 chemical compound

Through the study of metallographic specimen and the inclusions through electrolyzation under SEM, it is indicated that the Ti-deoxidized products are globular compound inclusions with the size of 1~3μm in this experiment condition. With the technical of ion beam thinner the inner structure of these inclusions can be observed, whose core is Ti-O and outer is Mn-S. Based on EBSD the phase composition has been analyzed and it indicated that these globular compound inclusions are Ti2O3 and MnS with nucleating center Ti2O3, which can prompt to nucleate IGF.

在扫描电镜下通过对金相试样和电解提取的夹杂物研究表明，本实验条件下钢液凝固过程中析出的夹杂物是Ti-O-Mn-S形成的尺寸为1～3μm的球形复合夹杂物；通过离子减薄后观察了夹杂物的内部结构，中心是Ti-O化合物，外围是Mn-S化合物；通过电子背散射衍射对夹杂物的物相组成的分析表明了该复合夹杂物是有利于针状铁素体形核的Ti2O3和在凝固过程中以Ti2O3为核心形核的MnS。

The opposition between endocentric construction and exocentric construction in compound words is not the same as it is in phrases. Constructions of phrases are endocentric, showcasing not a real opposition between endocentric and exocentric. However, there are many exocentric constructions in compound words.

向心结构和离心结构的对立在复合词和短语中的表现不一样，短语都是向心结构，并未形成真正的向心和离心的对立，而复合词中存在着大量的离心结构。

It was discovered that when ethyl nitrite was introduced to the surface of catalyst, Pd ethoxyl compound was formed and simultaneously the active site Pd was transferred to the surface of catalysts with the change from Pd〓 to Pd〓. Then lined-adsorbed CO inserted into Pd alkoxyl compound to form the carboethoxypalladium complex.

研究结果表明，在CO偶联反应过程中，亚硝酸乙酯在催化剂上吸附，生成钯乙氧基络合物，同时将催化剂表面上的活性中心氧化，由Pd〓→Pd〓，并向催化剂表面上迁移。

Combining the principle of generalized Paretodistribution fitting the tail of a distribution with compound extreme value distribution theory, this paper puts forward Poisson-GP compound threshold distribution model, and gives the results estimated by MLE, CMM and PWM respectively.

论文结合广义Pareto分布拟合底分布尾部的原理与复合极值分布理论，构建Pois(来源：A0e1e1eBC论文网www.abclunwen.com)son-GP复合超阈值分布，并给出了极大似然法、复合矩法和概率权矩法的估计结果。

Moreover, fenchyl alcohol is also a unique compound, which has the similar structure with borneol, and exactly the isomeric compound of borneol.

据此，又参考COX-2酶晶体结构，设计合成了其他结构的可能具有抗炎活性的药物分子。

This paper used anhydrite associated with ferruginous mineral from Cheng Chao iron ore as primary raw material to develop successfully a new type of light wall material under the action of G N M J four compound excitation system and FX compound reinforcing fibre with suitable forming procedure.

本研究以武钢矿业公司程潮铁矿共生的硬石膏为主要原料，在广泛探索的基础上，筛选出G－N－M－J四元复合激发体系，有效地激发了硬石膏的活性，在FX复合纤维的增强作用下，采用合适的成型工艺条件，成功地研制出一种新型的轻质墙体材料—纸面硬石膏板，对试制样品的测试结果表明，各项性能达到或接近以半水石膏为主要原料的纸面石膏板的国家标准，为综合利用程潮铁矿的矿物资源开辟了新的途径，对硬石膏在新型建筑材料领域中的开发应用，更有着开拓性的意义。

The toxic compound was traced by lettuce germination test guided fractionation and HPLC purification, and was identified as 3β-formyl usolic acid on the basis of 1H and 13C NMR experiments. It is the first time to find this compound from the order of Myrtaceae

用高效液相色谱对桉树凋落叶中毒性物质进行分离、纯化，以小麦、绿豆、大速生菜为指示植物，对分离到的物质进行毒性跟踪，分离到一个毒性较强的组分，经1H氢谱和NMR鉴定为3–β甲酰基–乌索酸。

After testing the compound formulation and determining the characteristic, the special compound for special rubber jump for funnel chest flattering apparatus was prepared based on NR/cis-BR with excellent physical property, elasticity and meeting the performance requirement.

以天然橡胶与顺丁橡胶并用胶为基础材料，通过胶料配方试验及性能测试，制得了具有优良物性、回弹性和符合使用要求的漏斗胸矫治器橡胶泵专用胶料，并确定了生产配方和工艺条件。

Compound 5 is synthesized through Frieldel-Crafts reaction, Grignard reaction and substitution reaction from compound 1 which serves as starting materials.

以化合物1为起始原料通过付克反应、格氏反应和取代反应，得到最终产物化合物5。

Control of orange scale in the field with a formulated Haolun gum resin compound WU Jing-cai, WANG Zi-qi (Training Center, Fujian Academy of Agricultural Sciences, Fuzhou 350003, Fujian, China) Abstract: Field experiments in three provinces showed conclusively that a 45% formulation of Haolun gum resin compound is a good pesticide for control of orange scale.

浩伦松碱合剂防治柑桔蚧壳虫的田间应用吴敬才，王子齐(福建省农业科学院培训中心，福建福州350003)摘要：通过在3个省份的田间试验充分表明，浩伦松碱合剂是防治柑桔蚧壳虫的良好药剂。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48