合成物

In this study, the amount of ethylene and its key biosynthesis genes expression, typical allelochemical hydroxamic acid concentration and the key regulation genes (BX1 and BX9), as well as the dynamic expression and time of relevant defense key genes of secondary substance metabolism processes were compared in ethephon treatments of different concentration and duration.

为探明外源乙烯利对玉米化学防御作用诱导的浓度和时间效应，本文采用化学和分子生物学相结合的方法，研究了不同浓度乙烯利处理玉米后，叶片乙烯释放量及其合成调控关键基因ACS和ACO表达的变化，典型化感物质丁布的含量及其关键调控基因BX1和BX9表达的变化，以及其他调控次生代谢物的关键基因表达的时间动态。

Investigation of major metabolic pathways of SFZ-47 in animals The metabolites of SFZ-47 in rabbit urine following oral administration were separated and detected with HPLC and LC-MS methods. On the basis of the chromatographic behavior and mass spectra of the metabolites as well as biotransformation pathways of drugs with the partial structure of SFZ-47, the hydroxylic derivative 4-(3H-1, 2- dihydro-1-pyrrolizinone-2-methylamino benzyl alcohol and the carboxylic derivative 4-(3H-1, 2-dihydro-1-pyrrolizinone-2-methylamino benzoic acid of SFZ-47 were proposed as two potential metabolites and were synthesized.

在动物体内主要代谢途径的确定用HPLC和LC-MS对家兔口服SFZ-47后尿中的代谢物进行了分离、检测，根据代谢产物的色谱和质谱行为以及与SFZ-47有类似结构部分的其它药物的代谢途径，推测其羟基衍生物[4-（3H-1，2-二氢-1-吡咯里嗪酮-2-甲基胺基）苯甲醇]与羧基衍生物[4-（3H-1，2-二氢-1-吡咯里嗪酮-2-甲基胺基）苯甲酸]是两种可能的代谢产物，遂用化学方法合成了这两种衍生物。

The experimental results showed that when AcO-or other anion s were added to a solution consisting of 1,5-(di-benzaldehyde) dithiocarbohydrazone and Hg2+(at a ratio of 1∶2),a hypsochromic shift took place on the maximum ultraviolet absorption peak of the ligand.

设计合成了配体1，5-二双缩二氨基硫脲及其金属配合物，探讨了不同金属阳离子对1，5-二双缩二氨基硫脲紫外吸收光谱的影响，并将标题化合物应用于阴离子识别。

Due to great amount of double bond on rubber chain,a lot of intramolecular reaction occurred in the system,which made the uncontrolled cross-linked system into a controlled cross-linked copolymerization,resulting in chain growth can't go illimitably in cross-linking process.

苯乙烯和二乙烯苯共聚体系是典型的不可控制的交联聚合体系，加入天然橡胶后，通过阳离子聚合方法，生成三元共聚物线团，由于橡胶分子链上含有大量的双键，聚合体系中能进行分子内反应，使不可控的交联聚合体系成为可控的交联聚合体系，其链增长不能无限制进行，从而可以合成可溶解的交联的聚苯乙烯-二乙烯苯-天然橡胶聚合物。

Herbal theory that the drug inunctum role to invigorate the circulation of blood and the purpose of dissipating hard mass, inhibiting the synthesis of collagen fibers.

采用中药原理，通过外搽药的作用，达到活血化瘀，软坚散结的目的，抑制胶原纤维的合成，促进病理产物和炎性渗出物的吸收，使疙瘩得以平复。

Ionization was accomplished by using iodoethane and γ-propane sultone respectively.

通过碘乙烷和v－丙磺酸内酯对上述样品进行季铵化，合成了阳离子型及双离子型离聚物。

Vinyl acetate was copolymerized with triallyl isocyanurate which was then saponified, activated, and DNA was immobilized on to the adsorbent.

本文以异氰尿酸三烯丙酯 TAIC为交联剂，醋酸乙烯酯为单体合成的共聚物，经皂化和活化后，固载上DNA，即得含DNA配体的VT吸附剂。

The reaction makes full use of the specialty of isonitrile and can be used to build a series of compounds with different structural skeletons by using diverse inputs.

此反应充分利用异腈的特性，通过使用不同的反应物，可用于合成不同结构骨架的系列化合物。

In this analogue, the hydrogen of amide group could still form a hydrogen bond with the oxygen of ester bond and the ester bond was isosteric with peptide bond.

我们合成了甜味肽的类似物L-天冬酰氨酰-L-α-羟基苯丙酸甲酯，将甜味肽的天冬氨酸替换为天冬酰胺，肽键替换为酯键。

In this paper, the structures and the synthesis methods of glycosyl isothiocyanates are summarized, including the application as intermediates in the preparation of glycosylthioureas, glycosylheterocycles, glycosylguanidins and glycosylconjugates and so on.

本文对糖基异硫氰酸酯的结构、制备方法，以及作为中间体在糖基硫脲、糖基杂环、胍基糖苷、糖基缀合物等重要化合物的合成中的应用作了较详尽阐述。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失