二分子
- 与 二分子 相关的网络例句 [注:此内容来源于网络,仅供参考]
-
2-Substituted-3,4-dihydro-1(2H)-isoquinolinones were synthesized from methyl 3-hydroxy-ben- zoates via allyl etherification, Claisen rearrangement, oxidation, reductive amination and aminolysis for the first time.
以3-羟基-4-甲氧基苯甲酸甲酯等为原料,通过烯丙基醚化、Claisen重排、氧化、与伯胺反应、还原、分子内酯的胺解六步反应合成了一系列2-取代-3,4-二氢-1-异喹啉酮类化合物。
-
Genetic cluster analysis is similar based on the results of morphological and DNA markers, the five populations could be divided into three groups. But there are different groups sort of individual locations, reflecting the similarities and difference about the analysis of the relationship between population with the two kinds of markers, It could be concluded that there was coupling and relevance to some extent in evaluating genetic diversity with the same experiment sampling by morphological and SSR marker variation. However, there was also differences. In research, the two can complement each other.8. Identification of Genetic Relationship of Amygdalus plants by SSRThe genetic relationship among 55 Amygdalus plants collections, belonging to 6 species and collected from both homeland and abroad were identified via SSR molecular marker technique.
新疆野扁桃遗传多样性不同研究分析方法结果的比较与评价表型与DNA二种水平的遗传标记方法揭示的遗传多样性水平有差异,表型性状比DNA分子标记具有更大的变异性;其受到环境的影响较大,也即对环境更敏感。2种水平的遗传标记聚类结果将野扁桃5个不同分布群体均可分为3个大类群,但是出现有个别不同的群体排序位置,反映了2种标记在分析种群间关系上的异同性,从本研究结果来看,说明表型与DNA标记有一定的耦合性和相关性,但也存在差异,在研究上可以互为补充。8。
-
The coordination polyhedron around Ce3+ is a distorted square antiprism, and the two independent molecules are connected by π-π stacking interactions to form a noncentrosymmetric dimer.
中心Ce3+的配位多面体为变形双帽四方反棱柱,两个分子之间以π-π堆积连接,生成一个非中心对称的二聚体。
-
Monolayers and multilayers of copper tetrakis (12-alkyloxycarbonyl)phthalocyanine (CuC12Pc), CuC12Pc mixed with octadecylammonium and CuC12Pc mixed with arachic acid were prepared by Langmuir-Blodgett technique and their configurations were also studied.
利用LB技术研究了带有4个长碳氢链的酞菁铜化合物(CuC12Pc)的单分子膜及它与十八胺、二十酸的混合LB膜的聚集结构形态。
-
The maximal absorption wavelength of the nitro-stilbene derivatives with an ether bond exhibited approximate 30 to 40 nm bathochromic shift compared to that of nitro-stilbene dyes with an ester bond.
相对于酯键而言,通过醚键连接的对硝基二苯乙烯类分子的最大吸收波长有一个大约30至40 nm的红移现象。
-
Catalytic oxidation of benzoin to benzil by molecular oxygen using metal oxide supported on activated charcol, silcon oxide, activated aluminum oxide and obsorbe resin as catalyst at atmosphere pressure was studied.
考察了几种常用载体负载金属氧化物催化分子氧氧化苯偶姻制备苯偶酰的性能,发现氧化铁/三氧化二铝催化活性较高,稳定性较好。
-
The spectral data suggest that intramolecular carbonyl oxygen to tin coordination in 1 is existent and is not allowedin order to accommodate two and three bidentate dithiocarbamate ligands in 3 and 4 respectively.
波谱数据表明化合物1和2存在着分子内羰基氧原子对锡原子的配位,而在化合物3和4中这一配位则被两个或三个双齿二硫代氨基甲酸配体所替代。
-
A new conjugation molecule L2, based on 2,4,5-triphenylimidazole and 6-phenyl-2,2\'-bipyridine, was synthesized in two steps.
基于2,4,5-三苯基咪唑和6-苯基-2,2\'-二联吡啶,合成了一个新型的共轭分子L2。
-
The substituted group on the bipyridyl ligand in complex 2 could lose C2H4 neutral molecule under a higher CID fragmentation (such as CID 110 V), and its single charge ion is more stable than its double charge ion.
而络合物2在较高的CID电压下(1l0V)会发生联吡啶环上取代基的中性C2H4小分子丢失,其单电荷离子比二价电荷离子稳定。
-
Finally, two components mixture of caprylic acid and lauryl alcohol was used to attestate the validity of the process model. The model was also used in the simulation of the paroxetine free base and PB, compared with experimental outcome, analyzed the relatively error between experiments and simulations to further check the rationality of the model, which is beneficial to establish a more perfect model in the future.
应用正辛酸-十二烷醇对模型进行验证,并应用此模型模拟计算了帕罗西汀碱和胡椒基丁醚的分离过程,进一步验证了此模型的合理性,分析了产生实验值与模拟值相对误差的原因,为进一步完善刮膜式分子蒸馏过程模型奠定了基础。
- 推荐网络例句
-
For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether
年美国个人破产法的一个改动使得破产登记急速下降,而后引起了信用卡大规模的亏损。
-
Eph. 4:23 And that you be renewed in the spirit of your mind
弗四23 而在你们心思的灵里得以更新
-
Lao Qiu is the Chairman of China Qiuyang Translation Group and the head master of the Confucius School. He has committed himself to the research and promotion of the classics of China.
老秋先生为中国秋阳翻译集团的董事长和孔子商学院的院长,致力于国学的研究和推广。