反应物

A RAPD molecular technology for detection of genetic variation of Oncidium was established through the improvement of DNA extraction methods and selection of random primers and RAPD reaction conditions.

通过对DNA提取方法的改良，随机引物的选择、RAPD反应条件的筛选，建立文心兰品种变异RAPD分子标记检测技术。

In this study,di-n-butyl phthalatewas selected as representative endocrine disruptor and the effects of different materials contained in natural water on the DBP ozonization under diffe- rent conditions were studied.

以邻苯二甲酸二正丁酯为典型内分泌干扰物质的代表物，对饮用水中大量存在的不同物质在不同反应条件下对O3氧化DBP的影响进行了研究。

Objective To evaluate the value of pancreatic juice in cytologic examination and PCR-SSP in detecting K-ras gene mutation for diagnosis of pancreatic carcinoma.

目的 评价胰液细胞学检测与聚合酶链反应―顺序特异性引物检测K-ras基因点突变诊断胰腺癌的价值。

The results showed that the optimal conditions for degradation of ehitosan with papain at 45 ℃ were fullows:70% of degree of deaeetylation

结果显示，木瓜蛋白酶在反应温度45℃下降解壳聚糖的最佳工艺条件为壳聚糖的脱乙酰度70％，pH4.0，底物浓度1％，壳聚糖与酶的比例为25：1。

Speciation: the equilibrium distribution of aqueous species among free ions, ion pairs, and complexes an integral part of phase distribution, mass transfer, and reaction-path calculation

物种形式：指自由离子、离子对和络合物等水溶组分的平衡分布（是相分布、质量转化和反应途径计算的整合部分。

The preparation of a novel porphyrin derivative bearing oligo( p -phenylene) group and its zinc complex was reported, which involved a microwave irradiation and a synthesis based on the template effects, respectively.

利用微波反应和模板效应合成了带有苯乙烯撑单元的新型卟啉化合物和锌卟啉配合物。

Multi block copolymer poly p phenylene vinylene co poly(ethylene oxide(PPVEO200 and PPVEO600) was synthesized by Wittig reaction.

通过经典的Wittig反应，成功合成了聚对苯亚乙烯和2种分子量聚氧化乙烯的多嵌段共聚物(PPVEO200和PPVEO600)。

Syntheses, Crystal Structures of Some Complexes with Mixed Thiolate and Phosphite Ligands and Electrochemi...

本文对一些膦巯混配的过渡金属配合物的合成、结构、反应规律和电化学进行了研究。

Studies on the reactions of isomerized products of butaduene and isoprene iron complexes with triphenyl phosphine and triphenyl phosphite

丁二烯-和异戊二烯二羰基铁配合物的异构化产物与三苯膦和亚磷酸三苯酯的反应研究

In the study of the Heck reaction in the homogeneous system, a phosphonium salt, PPh_4Br, was used as co-catalyst in the pailadacycle catalyst system for the Heck reaction of the aryl chlorides.

另外，也研究了钴络合物催化卤代烷烃的Heck羰基化反应。

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。