乙胺

In this thesis, nano-scale particles of metals, metal sulfides, selenides, oxides and nano-composites of metals/polymer, semiconductor sulfides/polymer have been successfully prepared by γ-ray irradiation technique in sorts of systems including water system, alcohol system, ethylenediamine system, microemulsion and emulsion system at room temperature and under ambient pressure. The possible formation mechanisms of nano-scale materials were suggested, and some factors of affecting the formation of nano-materials were studied.

本论文使用〓Co-γ射线辐射技术，在常温常压下分别于水体系、乙醇体系、乙二胺体系、微乳液和乳液体系中，成功地制备了纳米金属、硫化物、硒化物、氧化物以及金属／聚合物、半导体硫化物／聚合物纳米复合材料，并初步探讨了纳米材料形成的可能机理和影响因素。

Three methods for the preparation of 1,2,4-trizolone~5 are provided. 22 compounds are prepared. 3, 4-disubstituted 1,2,4-trizolone-5 is prepared by reacting amide with ethyl hydrazine-fornate at 110癈 for 3h in the presence of phosphorus oxychloride, following neutralization and cyclization reaction, giving to 74.5 % yields,which is 30% more than the literature value.

以三氯氧磷为缩合剂，使酰胺和肼基甲酸乙酯在110℃反应3h，经碱中和、环化反应，合成3，4-二取代-1，2，4-三唑酮-5，两步反应总产率达74.5％，与文献报道值相比，高出了30％以上，在三唑酮类衍生物的合成方法中具有很大的突破性。

The connection between the bottom support board and the pillar should reserve the foot bolt hole, the hole sizeshould be bigger than or be equal to three times of the diameter of the feet bolt, the depth slightly is bigger than the foot bolt length. Pouring into the epoxy resin mortar into the hole, its mixture ratio is the epoxy resin (6,101), DBP17, ethylenediamine 8, and granulated substance

下支座板与墩台的连接则应预留地脚螺栓孔，孔的尺寸应大于或等于三倍地脚螺栓的直径，深度稍大于地脚螺栓的长度，孔中灌注环氧树脂砂浆，其配合比为环氧树脂（6101），二丁脂17，乙二胺8，砂250。

The CNx nanotubes films were fabricated by pyrolyzing ethylenediamine on Ni substrates at 860℃.

以乙二胺为前驱液，采用高温热解法，860℃下在镍基底表面生长CNx纳米管薄膜。

The compositon and structure of two complexes differed from the complex ZnS (en 〓 synthesized in ethylenediamine. The precursors were pyrolysed in nitrogen stream at 400℃.

实验结果表明这种配合物结构、组成都不同于在纯乙二胺溶液中得到的中间体配合物。

Methods: The protein and other impurity in the sample were precipitated by zinc acetate and potassium ferrocyanide after dipping of the sample. N,N-dichlorocyclohexylamine derived from sodium cyclamate by sodium hypochlorite in the filtrate was extracted by hexane. The HPLC separation was carried out with a phenomenex Gemini-C18 column using acetonitrile-water(7+3) or methanol-water (8+2) as mobile phase and detected by UV monitor at 314 nm. External standard method was used for quantification.

样品中甜蜜素浸提后，用乙酸锌和亚铁氰化钾试剂沉淀蛋白质等干扰杂质，过滤，用次氯酸钠将样品溶液中的甜蜜素转化为N，N-二氯环己胺经正己烷萃取后，在phenomenex Gemini-C18柱上，以乙腈－水(7+3)或甲醇－水(8+2)为流动相进行分离，HPLC-UV检测器在314 nm测定，外标法定量。

X 6.36(3)? is formed.Liquid-liquid extraction experiments, between twelve heterocyclic thioalkoxycalix[4]arene on the lower rim, fifteen heterocyclic thioacetamidecalix[4]arene on the upper rim and Na~+、K~+、Cs~+、Mg~(2+)、Cu~(2+)、Co~(2+)、Cd~(2+)、Ni~(2+)、Pb~(2+)、Hg~(2+) and Ag~+ picrates, have been carried out and their results are compared.

分别将十二个下沿含有杂环硫烷氧基杯芳烃衍生物和十五个上沿含有杂环硫乙酰胺基的杯芳烃衍生物与Na~+、K~+、Cs~+、Mg~(2+)、Cu~(2+)、Co~(2+)、Cd~(2+)、Ni~(2+)、Pb~(2+)、Hg~(2+)和Ag~+的十一种苦味酸盐进行了离子萃取实验，并对两类衍生物与不用金属离子的萃取能力进行了分析和比较。

Under mild hydrothermal synthesis conditions, we first successfully prepared threeindium phosphites with different organic amine molecules as template agents.

在水热条件下，以乙二胺为模板首次合成出1个具有一维正六边形孔道结构的亚磷酸镉微孔化合物。

Based on the solid phase/liquid deposition CdSe quantum dots were synthesized using selenium and cadmium-salt as precursor at room temperature. The TEM graph showed that the average size of CdSe QDs was ca.

以硒粉及镉盐为反应前体，通过固相/液相沉淀反应及室温乙二胺溶剂体系两种方法合成了平均粒径为8～10nm的CdSe量子点，以巯基乙酸修饰量子点使之可溶，并标记生物大分子－胃蛋白酶。

The volumetric flask is then filled with a stock solution consisting of 0.010 M HNO3 and 0.001% disodium EDTA dihydrate provided by the TA.

然后用助教提供的，含有0.010M HNO3和0.001%二水合乙二胺四乙酸二钠的储备液，注满容量瓶。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。