查询词典 n-heneicosane

The molecular structural formula of the rhodamine 6G hydrazide salicylal azomethine is shown on the right, and the present invention discloses the synthesization method of the rhodamine 6G hydrazide salicylal azomethine and rhodamine 6G hydrazide salicylal azomethine solution used for the content determination of a small amount of cupric ions in water sample: 0 percent to 98.99 percent of ethanol, 99.99 percent to 1 percent of acetic acid / sodium acetate buffer solution with the pH value of 5 to 9, in which the total concentration of acetic acid is 1 to 100 millimoles per litre, 0.01 percent of N, N-dimethylformamide and 1ppm to 100ppm of rhodamine 6G hydrazide salicylal azomethine, all measured in mass percentage.

罗丹明6G酰肼水杨醛希弗碱，分子结构式如右，本发明公开了罗丹明6G酰肼水杨醛希弗碱的合成方法及其用于水样中微量铜离子含量测定的溶液：0～98.99％乙醇，99.99～1％pH值5～9的醋酸/醋酸钠缓冲溶液，该缓冲溶液中醋酸总浓度为每升1～100毫摩尔，0.01％N，N-二甲基甲酰胺和1～100ppm罗丹明6G酰肼水杨醛希弗碱，均为质量百分含量。

A high level ab initio method and an ABEEM/MM model had been applied to study the hydronium ion clusters H3O＋(H2O)n (n＝1～6). The low energy geometries had been optimized and the binding energy and the stability had been discussed, revealing the preponderant existence of the local structure of the H3O＋(H2O)3 cluster.

应用高水平的从头计算方法和ABEEM/MM模型，研究了水合氢离子团簇H3O＋(H2O)n (n＝1～6)，优化得到了低能构象，探讨了其结合能和稳定性，显示出H3O＋(H2O)3局域结构的优势存在。

81 patients were randomly divided into expreriment group(early escharectomy with iodophors hydropathic compress, n=39) or control group(conventional therapy method, n=42 ), campare the diference of skingrafting, healing time, medical cost in the two groups.

入选81例小面积热金属烧伤病人，随机分为实施组（早期切痂+碘伏湿敷，n=39）和对照组（应用传统的自溶脱痂法，n=42），比较两组病人植皮、愈合时间和医疗费用的差异。

The invention relates to formaldehyde, methanol and N, N-dimethyl hydroxylamine coexisting analysis method.

本发明涉及甲醛、甲醇和N，N-二甲基羟胺共存时的分析方法，属有机化学分析技术领域。

The invention is easy to operate, and has high accuracy. It could take rapid analysis to the coexisting formaldehyde, methanol and N, N-dimethyl hydroxylamine.

本发明的分析方法分析时间短，速度快，操作简易方便，分析精确度较高，可同时对共存时的甲醛、甲醇和N，N-二甲基羟胺进行快速分析。

Methods 60 ill kids were divided into two groups at random, namely the propofol-scoline group （Group S, n=30） and the traditional anaesthesia method group （Group K, n=30）. During the operation, SpO2, HR, NIBP and ECG were inspected continuously, moreover, choke, cough, throat hyperkinesia, time for operation, waking-up time and tongue fall back occurrence frequency were also under the inspection.

60例患儿随机分为两组，丙泊酚-司可林麻醉组（S组，n=30），传统的麻醉方法组即r-OH复合******麻醉组（K组，n=30），术中持续监测SpO2、HR、NIBP及ECG，并观察术中呛咳、喉痉挛、手术时间、苏醒时间和术后舌后坠发生率。

Objective To observe the anaesthesia effect of the abnormal-objects extraction in trachea of children by pure propofol-scoline combined with anaesthesia method.Methods 60 ill kids were divided into two groups at random, namely the propofol-scoline group （Group S, n=30） and the traditional anaesthesia method group （Group K, n=30）. During the operation, SpO2, HR, NIBP and ECG were inspected continuously, moreover, choke, cough, throat hyperkinesia, time for operation, waking-up time and tongue fall back occurrence frequency were also under the inspection.

目的 观察单纯丙泊酚-司可林复合全麻用于小儿气管异物取出术的麻醉效果方法 60例患儿随机分两组，丙泊酚-司可林麻醉组（S组，n=30），传统的麻醉方法组即r-OH复合氯胺酮麻醉组（K组，n=30），术中持续监测SpO2、HR、NIBP及ECG，并观察术中呛咳、喉痉挛、手术时间、苏醒时间和术后舌后坠发生率。

In this thesis, we mainly study the relations between compact minimal hypersurfaces of S~(n+1)(1) and the Clifford minimal hypersurface of S~(n+1)(1) by their spectrums, and the relations between unit tangent sphere bundle T_1 M and its base manifold M.

在本文中，我们主要通过谱研究了S~(n+1)(1)中的紧致极小超曲面和S~(n+1)(1)中的Clifford极小超曲面之间的关系，以及单位切球丛T_1M与它的底流形M之间的关系。

N\n The Illyrian army is a synthesis of Greek, Thracian and Gallic warfare - employing traditional hoplites, warbands, light and heavy cavalry as well as the world's finest infantry skirmishers and peltasts.

n\n伊利里亚的军队是一个希腊，色雷斯和高卢的结合体－他们招募传统的重装枪兵，军团士兵，轻重骑兵以及世界上最好突袭者步兵和轻盾兵。

In addition to the lithium salts, we have also synthesized and studied the other types of ionic liquids, in which N-methyl-N-propyl piperidinium bis imide (PP13-TFSI) shows a wider electrochemical window -0.3 ~ 5.6 V vs.

在实践中对项目研究作了部分调整，另外也合成和研究了其它类型的离子液体，其中N-甲基-N-丙基哌啶三氟甲基磺酰亚胺（PP13-TFSI）表现出更宽的电化学稳定窗口-0.3 ~ 5.6 V vs。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。