主要产物

The autotoxicity is one of the mechanisms and obstacle effects occurred from continuous cropping.

自毒作用是连作障碍的发生机制之一，该作用主要是由有机酸、醛类芳香酸、香豆素、醌类、生物碱和类萜等植物次生代谢产物及其分解产物所引起的。

Bile excretion of OM was among its main excretion pathway, which was mediated by a carrier and depended on bilifaction.

在大鼠胆汁中发现了6种OM的Ⅰ相代谢产物，其中最主要的代谢产物为M。

The analysis of decomposition showed that the solid products were mainly dimethyl terephthalate and oligomer of PBT, whose end groups were carbomethoxy.

分解产物的分析结果表明：固相产物主要以单体对苯二甲酸二甲酯和端基为甲酯结构的PBT的低聚物为主。

The catalytic cracking of PS thermal product is assumed to proceed via carbonium ion species during which the oligomers appear to be more active.

通过PS在小型固定床反应器中热解及热解-催化结果的对比研究，就二者的产物分布差异探讨了PS热解-催化过程的正碳离子反应机理，对主要反应产物的生成途径作了推断。

Secondly, the reaction of crotyl bromide and carbonyl compounds promoted by dysprosium were studied. The γ-adduct of crotyl was mainly obtained in the reaction of ketone and ester. While the α-and γ-adduct mixture were obtained in the reaction of aldehyde.

其次，还研究了镝促进下巴豆基溴与羰基化合物的反应，酮和酯主要得到巴豆基γ-位进攻的产物，而醛则得到α与γ位进攻的混合产物。

The thermal decomposition of the copper acetate dihydrate in a static air atmosphere was investigated by TG-DTG techniques.

用TG-DTG技术研究了一水合乙酸铜在静态空气中的热分解过程，根据TG曲线确定了热分解过程中的中间产物及最终产物，其分解过程主要由2步组成。

Additionally LC-MS was also used in qualitative analysis of the reactionsystem for the synthesis of dipropyl toluene-2,4-dicarbamate TDC(Pr. The main side-reactions were condensation reactions between 3-amino-4-methyl N-propylphenylcarbamate with TU or toluene 2,4-bisurea.

同样，运用液质联用技术对甲苯-2，4-二氨基甲酸丙酯TDC合成反应进行了定性分析，确定了副产物并推测其主要副反应是中间产物3-氨基-4甲基苯氨基甲酸丙酯与TU和甲苯-2，4-二脲之间的缩合反应。

HPLC, IR and released〓 analysis indicated that the biodegradation products of the regeneratedcellulose films mainly contain oligosaccharides, cellobiose,glucose, arabinose,erythrose, glycerose, glycerol, and organic acid, the end products were 〓 andwater.

高效液相色谱和IR结果示出再生纤维素膜的主要降解产物为寡糖、纤维二糖、葡萄糖、阿拉伯糖、赤藓糖、甘露糖、甘油及有机酸，最终产物为二氧化碳和水。30℃时纤维素膜一个月后可以被培养基中的菌完全代谢掉。

The hydrates of plain CAS glass are mainly gehlenite hydrate and CSH gel:and the preponderant hydrates or the mixture of CAS glass and gypsum are ettringite and CSH gel.

纯CAS玻璃相的水化产物主要为水化钙铝黄长石晶体和CSH凝胶：而掺有适量石膏的CAS玻璃相的水化产物则为钙矾石晶体和CSH凝胶。

Three major metabolites were identified as 3-OH-HBP,γ-OH-HBP and a hydroxylate on its benzene ring.

确认了芹菜甲素在肝微粒体中三个主要代谢产物及三个次要代谢产物。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。