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Samples were subjected to high pressure ranging from 100 to 500 MPa. After high pressure treatments, the flavour compounds were extracted by Solid-Phase Microextraction. Analysis was carried out by Gas Chromatography-Mass Spectrometry. The key flavour compounds of orange juice were three alkenes (namely limonene, myrcene and α-pinene), two alcohols (linalool and α-terpineol), three aldehydes, one ketone and two esters (ethyl butyrate and 3-OH-ethyl hexanoate).

采用固相微萃取（Solid Phase Microextraction，SPME）方法对不同压力（100～500 MPa）超高压处理的鲜榨橙汁中的香气成分进行富集，并经气相色谱-质谱联用仪（Gas Chromatography-Mass Spectrometry，GC-MS）检测分析，橙汁中的主要香气成分有：3种烯（柠檬烯、月桂烯、α-蒎烯）；2种醇；3种醛；1种酮；2种酯（丁酸乙酯、3-OH-己酸乙酯），它们是构成橙汁的主要特征致香成分。

Naphthyl ethyl ether is synthesized from β-naphthol and ethyl alcohol by using nanometer complex heteropoly acid as catalyst.

该反应的最佳条件是：在酚醇物质的量比为1∶3.5，催化剂用量为0.6 g/0.04 molβ-萘酚，反应时间的7 h，β-萘乙醚的收率可达65.81

The main compounds of essential oils were Pentadecane（20.88%,46.56%）,Ethyl-cinnamate(25.60%,10.94%), Ethyl-p-methoxycinnamate(28.69%,2.41%),3-Carene(3.31%,11.36%).

主要成分均为十五烷（20.88%，46.56%），桂皮酸乙酯(25.60%，10.94%)，对甲氧基桂皮酸乙酯(28.69%，2.41%)，3-蒈烯(3.31%，11.36%)。

Ethyl alcohol, 3-methyl-4-oxo- pentanoic acid, acetic acid butyl ester, 2-methyl-butanoic acid ethyl ester, diethyl phthalate,-2,4-Decadienal were the same volatiles d from the 10 cultivars.

其中共有组6种，为乙醇、3-甲基-4-羰基戊酸、乙酸丁酯、2-甲基丁酸乙酯、邻苯二甲酸二乙酯、-2，4-癸二烯醛。

The invention relates to a fabric nanometer following cleaning agent for obtaining TiO2/ZnO composite hydrosol, and relative production and cleaning method, wherein it uses butyl titanate and zinc acetate as predecessor, uses glacial acetic acid as catalyst and peptizer, uses water as solvent, uses absolute ethyl alcohol as the solvent of butyl titanate, and uses ethanolamine as deposit agent and supplies OH-, to be hydrolysed and polycondensated to form TiO2/ZnO composite hydrosol. And its components and mass percents are: butyl titanate at 1-15%; zinc diethyl at 1-12%; absolute ethyl alcohol at 1-20%; glacial acetic acid at 5-15%; and aminoethyl alcohol at 0.1-5%, and the left is water. The invention has lower cost and simple process.

本发明涉及一种可以得到TiO 2 /ZnO复合水溶胶的纺织品纳米后整理试剂及其制备工艺及对织物的整理方法，以钛酸丁酯和乙酸锌为前驱物，冰乙酸为催化剂和胶溶剂，水为溶剂，无水乙醇为钛酸丁酯的溶剂，乙醇胺为沉淀剂并提供OH -，经过水解、缩聚反应形成的TiO 2 /ZnO纳米溶胶整理剂，其组分和重量百分比含量如下：钛酸丁酯占1～15％；二水乙酸锌占1～12％；无水乙醇占1％～20％；冰乙酸占5％～15％；乙醇胺占0.1％～5％；水余量，具有耐洗性、无毒、无刺激、成本低廉、制作工艺简单可靠的优点，可实现对对织物的抗紫外、抗菌、抗静电功能整理。

Four main parts were included in this dissertation:(1) Precise measurement of Gvalues of hydrogen peroxide in the reactions of flavonoids with superoxide anion andα-hydroxy ethyl peroxyl radicals;(2) Kinetic studies of the reactions of typicalflavonoids with α-hydroxy ethyl peroxyl radicals;(3) HPLC-MS analysis of theproducts after γ-irradiating rutin ethanol solution saturated with air, a reactionmechanism was proposed;(4) Preliminary investigation on the reaction between rutinand peroxynitrite.

本论文的内容主要包括四部分：(1)黄酮类化合物在与超氧阴离子自由基以及α-羟乙基过氧自由基反应的过程中生成的过氧化氢G值的准确测定；(2)几种典型的黄酮类化合物与α-羟乙基过氧自由基的反应动力学研究：(3)空气饱和芦丁乙醇溶液经γ-辐照后产物的HPLC-MS分析及反应机理推测；(4)对芦丁与过氧亚硝酸盐的反应做了初步的探索。

So the bio (β-acryloxyl ethyl) esters of acrylic rosin (AR-2-HEA) with majorcomposition of bio-(β-acryloxyl ethyl) esters of acrylic pimaric acid were also prepared through acylchloridation and esterification.

同样采用酰氯化、酯化手段合成了丙烯酸松香酯，其主要组成为丙烯海松酸二酯。

In order to search for the new pyrazolyl-heterocycles lead compounds, eight pyrazolyl- were synthesized from 3-ethyl-1-methyl- 4-substituted-5-pyrazolecarboxylic acid chloride and nitrogen heterocyclic rings such as 3-methyl-5-pyrazolone, 1H-3-ethyl-5-pyrazole ester, etc.

为了寻求新的含吡唑双杂环先导化合物，用 4 取代 1 甲基 3 乙基 5 吡唑甲酰氯与 3 甲基 5 吡唑酮、3 乙基 5 吡唑甲酸乙酯等含氮杂环反应得到了 8个新的含吡唑环的双杂环类化合物。

Results: Nine compounds were obtained from the ethyl acetate fraction of C. speciosa and were identified as methyl chlorogenate, 5-O-cafeoyl quinic acid butyl ester, quinic acid butyl ester, 5-hydroxymethyl-furan-2-carbaldehyde, triacontanoic acid,-epicatichin, 7,8-dihydroxy-coumanrin, protocatechuic acid ethyl ester, and protocatechuic acid.

结果：从皱皮木瓜的乙酸乙酯萃取部位分离鉴定了9种化合物，分别为绿原酸甲酯，5-O-咖啡酰基－奎宁酸丁酯，奎宁酸丁酯，5-羟甲基－2-糠醛，三十烷酸，-表儿茶素，7，8-二羟基香豆素，3，4-二羟基苯甲酸乙酯，原儿茶酸。

The paper studied the effect of the residue of chlorimuron-ethyl in soil to susceptible crops and the effect of the herbicide safener AU2 on the detoxification of chlorimuron-ethyl by bioassy and field test.

本文针对氯嘧磺隆存在的残留药害问题，采用室内生物测定并结合温室盆栽和大田试验，研究了氯嘧磺隆在土壤中的残留动态、对后茬敏感作物的影响及新型解毒剂AU2对氯嘧磺隆残留的解毒效果。

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。