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Glauca which isolated by using solvent: camphene, 3, 6, 6-trimethyl-2-norpinene and capric acid, ethyl ester

山胡椒果油:正癸酸、大根香叶烯A、月桂酸等;莰烯、3,6,6-三甲基-2-降蒎烯、癸酸乙酯等

In chapter three, molecular imprinting chiral stationary phases against amino acid derivatives utilizing 2-vinylpyridine+acrylamide (2-VP+AM) as combined functional monomers were prepared. Comparing combined functional monomer 2-VP+AM with AM and methacrylic acid+2-VP, the former, 2-VP+AM showed higher imprinting ability. Explanation was given according to the compatibleness between the functional monomer and the imprinted molecule.

第三章系统考察了复合功能单体2-乙烯基吡啶+丙烯酰胺制备氨基酸衍生物分子烙印手性固定相的情况,发现复合功能单体2-乙烯基吡啶+丙烯酰胺烙印体系与丙烯酰胺及复合功能单体2-乙烯基吡啶+甲基丙烯酸烙印体系相比,对氨基酸衍生物表现出更好的烙印能力,验证了功能单体与烙印分子之间存在着匹配性的观点。

The thermolysis of the isomerized products derived from norbornadiene-coordinated carbonyl iron complexes gave two sorts of the thermolytic products based on different substituents on the olefin ligands. One is the corresponding diiron dimer complex, and the other is the complex in which the C-C bond of the cycloolefin ligand is broken.

以降冰片二烯三羰基铁络合物衍生出来铁卡宾络合物的异构化产物的热解,随着烯烃配体上取代基的不同,而分别得到了络合物发生二聚和烯烃配体发生碳碳键断裂的两类热解产物。

In the part of preparing HMT, the thesis did research on the preparing process of using isobutylene , 2,3-dimethyl-butene-l , 2,3-dimethyl-butene-2 as the materials respectively .

在中间体合成部分,本文分别对新己烯、2,3—二甲基—丁烯—1、2,3—二甲基—丁烯—2为原料合成HMT的工艺进行了研究,然后利用GC-MS对三种原料合成HMT的主要副产物分别进行了分析。

In the part of preparing HMT, the thesis did research on the preparing process of using isobutylene , 2,3-dimethyl-butene-l , 2,3-dimethyl-butene-2 as the materials respectively .Then using GC-MS , the main outgrowths in each reaction systems were analyzed.

在中间体合成部分,本文分别对新己烯、2,3—二甲基—丁烯—1、2,3—二甲基—丁烯—2为原料合成HMT的工艺进行了研究,然后利用GC-MS对三种原料合成HMT的主要副产物分别进行了分析。

This paper includes three parts:preparation of fullerene,the theoretical design and synthesis of novel pyrrolidine nitro-derivatives,the investigation of the application of fullerene and its derivatives in high energetic explosives and nitramine modified double base propellant.

本论文主要包括三部分:富勒烯原材料制备研究,新型硝基富勒烯吡咯烷衍生物的理论设计与合成研究,富勒烯及其衍生物在高能炸药和硝胺改性双基推进剂中的应用研究。

Efficacious drugs were made of these species for treatment of cough, phlegm, breathe heavily, especially, to cure lung disease. We have investigated on the Chemical constituents of Adenophora stenanthina subspecies xifengsis collected from Gansu Qingyang, and twenty four compounds were isolated from ethanol extraction by chromatography technigues. Twenty compounds were identified by means of chemical and spectra methods(IR, FAB-MS, EI-MS,〓,〓, DEPT , among which three compounds were new as 3βvanilloyloxy-stigmast-5-ene-7β-one; 3β-Vanilloyloxy-stigmast-5-en-7 β-ol; 3β-vanilloyloxy-stigmast-5-en-7β, 15 〓-diol.

我们对采自甘肃庆阳的西峰沙参Adenophorastenanthina subsp.xifengensis)进行了化学成分的研究,利用现代层析手段从该植物的乙醇浸膏中分离出二十四个化合物,经化学方法和波谱技术(红外,质谱,核磁共振谱)鉴定了二十个化合物的结构,其中三个为新的化合物,它们分别是:豆甾-5-烯-7-酮-3β-香草酸酯;7β-羟基-豆甾-5-烯-3β-香草酸酯;7β,15ξ-二羟基-豆甾-5-烯-3β-香草酸酯。

E. value of productions were detected by high performance liquid chromatography. Results The chiral aminoalcohol ligand compound Ⅰ can promote the asymmetric allylation of acylhydrazones and the yield was 57%; The highest values of e. e. obtained for this reaction was 22%.

结果 手性氨基醇配体化合物Ⅰ能够促进烯丙基三氯硅烷和酰腙的烯丙基化加成反应,在它的辅助作用下,烯丙基化加成产物的产率可达到57%,对映体过量值最高达到22%。

The studies of radiation chemistry of three main components of garlic oil-diallyl sulfide, diallyl ...

本论文分别研究了大蒜油主要成份二烯丙基一硫、二烯丙基二硫和二烯丙基三硫化物乙醇溶液的辐射化学。

CONCLUSION摘要: Diallyl trisulfide coated stent could significantly enhance the iNOS expression and NO production, which may play an important role in inhibiting neointimal hyperplasia.

结论摘要:二烯丙基三硫化物涂层支架可显著增加iNOS表达,并提升NO产量,提示二烯丙基三硫化物涂层支架可能是抑制内膜增生的一个重要机制。

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I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里,举止就文雅一些,因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计,这件高贵的制服是香港本土制造,是我们第一套不配帽子的制服。

Do not 'inflate' your achievements and/or qualifications or skills .

不要 '夸大' 你的业绩或成果,条件或者技能。