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Due to their applications in magnetic, optical, electronic and catalyst, polynuclear lanthanide clusters are of importance. In this part, a series of nanowheel-shaped nonanuclear lanthanide clusters,〓〓(Ln=Sm~Tm; BA=benzoylacetone), were prepared and characterized. Each complex can exist in three phases, i. e., cubic, tetragonal and triclinic.

本论文第二部分在醇溶液中以三乙胺调变溶液pH,利用β-二酮配位方式的灵活性成功地构筑了一系列结构稳定、纳米尺度轮状的九核稀土配合物〓〓(Ln=Sm~Tm;BA=苯甲酰丙酮),并在不同溶剂中重结晶分别得到了三斜、四方以及立方三种晶型的晶体。

The conditions for HPLC to detect endogenous polyamines were optimized, that is, benzoylation for 30min at 37℃, detection wave length at 230nm, elution speed at 0.7ml·min〓 Using the above method, endogenous polyamines of calli in Citrus were analyzed.

优化了植物多胺的HPLC测定条件,确定在37℃苯甲酰化反应30min,检测波长230nm,流速0.7ml·min〓效果最佳。

The cross-linked PHBV was obtained by means of γ-radiation with N, N'-4, 4'-diphenylmethane bismaleimide .

用交联助剂二苯甲撑双马来酰亚胺实现了PHBV的γ-辐射交联。

Most of fluorenyl cardo poly(ester-imide)s exhibited excellent solubility in common organic solvents such as 1,2-dichlorobenzene,CHCl_3,THF,DMAC,DMSO,NMP etc.

大部分聚酯酰亚胺在有机溶剂,如邻二氯苯,DMAc,THF,CHCl_3,DMSO及NMP中均有非常好的溶解性。

Therefore, this paper selected the direct oxidation route to synthesize α-isophorone, and according to the principles of green chemistry, oxygen was used as the oxidant, with non-metal N-hydroxy-phthalimide as catalyst, for preparation of Isophorone.

因此本论文的研究选用以α-异佛尔酮直接氧化的路线,且根据绿色化学的原则,以氧气为氧化剂,用一种无金属参与的N–羟基邻苯二甲酰亚胺为催化剂催化α-异佛尔酮,为氧代异佛尔酮的制备提供一条全新的途径。

In addition, the viscoelastic effects on the phase separation, the chemorheology and the critical gelation of the blends during isothermally curing were also studied.

第二部分研究了双酚A型氰酸酯树脂改性二苯甲烷型双马来酰亚胺树脂体系中的固化反应机理及其对改性体系结构的影响。

The solubility in general organic solvents, oleic acid and lipin of both derivatives were also studied. In order to find out the solubilities in general organic solvents, PhCS that had satisfied solubility in DMF, DMAC and DMSO and EHCS that was amphiphilic were prepared.

为考察壳聚糖衍生物在通用有机溶剂中溶解性问题,我们制备出了在DMF、DMAC、DMSO等通用有机溶剂中溶解性很好的邻苯二甲酰化壳聚糖以及水油两亲性的乙醚胺壳聚糖。

Firstly, a series of organic molecules which use phthalimido group as electron acceptor, N as electron donor, COO~- as eletrofugal group were synthesized based on SET-promoted photocyclization processes. These compounds were irradiated by 500 W ultraviolet under nitrogen atmosphere in room temperature. After filtration of the photochemical character of these molecules, substrate S1 and S2 were selected as appropriate model reactants. Secondly, the monosubstituted derivatives at the 6-position ofβ-cyclodextrin were synthesized as chiral template of photocyclization.

首先,以单电子转移机理为指导,设计了一系列以邻苯二甲酰亚胺基为电子受体、N为电子给体、羧基为离去基团的光环合反应底物,这些化合物在氮气保护下以500瓦紫外光室温下进行光照反应,对这一系列的分子的反应情况进行了研究与筛选,最终选择底物S1和S2作为研究光环合反应中立体控制方法的模型底物;其次,又合成了一系列6-位单取代β-环糊精,以此作为光环合反应的手性模板。

The X-ray diffraction shows that the resin is crystalline. The heat analysis shows that the resin is well heat-resistant and has very good thermal stability and T=101℃. The T is better 10℃ than polyphenylene sulfide. The PASI resin will be applied abraod.

表征结果表明,聚合物为设计聚芳硫醚酰亚胺结构;X射线衍射表明聚合物为结晶性聚合物;热性能测试表明,聚合物的玻璃化温度为101.91℃,高于聚苯硫醚(87.00℃),聚合物具有良好的热性能。

A synthetic method for N-(5-nitro-6-chloro-3-pyridine methyl) phthalimide is studied.

研究了N-(5-硝基-6-氯-3-吡啶甲基)邻苯二甲酰亚胺的合成方法。

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