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Two bismaleimide fiber composites filled with graphite and copper were prepared by laminate molding process. The effect of graphite and copper content on the tribological properties of composites were investiged. The morphology of the composite worn surface was observed by scanning electron microscopy.

采用层压成型制备了2类改性双马来酰亚胺纤维复合材料,分别考察了石墨、铜粉的用量对纤维复合材料摩擦性能和力学性能的影响,并用扫描电镜对复合材料的磨损表面形貌进行了分析。

The derivative is prepared by glycin reacts with the mid-product, which is produced in the combination of PASP synthesis, and the corrosion and scale inhibition efficiency are preliminary investigated.

将合成聚天冬氨酸时产生的中间产物聚琥珀酰亚胺和甘氨酸反应,合成聚天冬氨酸的衍生物,并初步探讨了它的缓蚀阻垢性能。

Our method featured employing the glycosyl donor with Bz as the protectivegroups and 0.05 equiv of TMSOTf as the promoter.

即:用苯甲酰基保护的三氯乙酰亚胺酯作给体,用5%当量的TMSOTf作促进剂,在室温下反应5min至15min。

Our method featured employing the glycosyl donor with Bz as the protective groups and 0.05 equiv of TMSOTF as the promoter.

即:用苯甲酰基保护的三氯乙酰亚胺酯作给体,用 5%当量的 TMSOTf 作促进剂,在室温下反应 5 min 至 15 min。

Then, the hapten LBc and LBs was conjugated to bovine serum albumin with CDI method to form immuno-antigen; the haptens LBc, LBs and LBy was conjugated to ovalbumin with mixed anhydride method to form the the coating antigens.The new zealand rabbits were immunized by conjugate of LBc-BSA and LBs-BSA, and titres of anti-bifenthrin serum (5.12×10~4, 3.2×10~5) were determined by non-competitive indirect enzyme-linked assay procedure.

通过碳二亚胺法将LBc和LBs交联于牛血清蛋白作为免疫抗原,通过活泼酯法将分别LBc、LBs和LBy交联于卵清蛋白作为包被抗原,LBc-BSA和LBs为免疫原制备了联苯菊酯的兔抗血清,非竞争间接酶联免疫吸附分析方法测得其效价达5.12×10~4和3.2×10~5。

Two types of haptens, the earboxylated propyl amino derivative of the acid moiety (HCA1) that is the hydrolyzed product of cyhalothrin, and the carboxylated ethyl carbonyl derivative of the alcohol moiety (HCB2) were synthesized, and conjugated with the carrier proteins bovine serum albumin and ovalbumin respectively by the active ester method and the mixed anhydride method. The polyclonal antibodies were obtained after immuning to the New Zealand rabbits.

通过对氯氟氰菊酯分子结构中的酸部分接4-氨基丁酸(HCA1)和醇部分接丁二酸酐(HCB2),合成两种不同的半抗原,并通过碳二亚胺法将HCA1和HCB2分别与牛血清蛋白偶联制备了人工抗原HCA1-BSA和HCB2-BSA,通过活泼酯法将HCA1、HCAS和HCB2分别与卵清蛋白偶联制备包被抗原,两种人工抗原通过免疫新西兰大白兔来制备相应的多克隆抗体。

The general mechanism and techniques of synthesizing monoterpenyl imides synergist from turpentine oil were introduced.

介绍松节油合成农药增效剂单萜烯基酰亚胺的一般合成机理和合成工艺。

Unsaturated polyester resins are the most widely used resin type for composites, comprising in excess of 80% of all thermoset resins (others being epoxies, phenolics, acrylics, imides, and urethanes).

不饱和聚酯树脂是复合材料使用树脂类型中应用最广泛的一种,也是热固性树脂最常用的一种(其它种类热固性树脂包括环氧树脂、酚醛树脂、丙烯酸树脂、酰亚胺树脂以及氨基甲酸乙酯)。

A series of imides oligomers were synthesized with the phenylethynylphthalic anhydride , nadic anhydride and cyanophthalic anhydride as endcapped agents.

我们以苯乙炔苯酐、降冰片烯二酸酐和氰基苯酐为封端剂合成了一系列的酰亚胺低聚物。

Ten N-[2,4-disubstituted-5-(3-methy-2,6- di-oxo-4-trifluoromethyl-1,2,3,6-tetrahydropyrimidin-1-yl)phenyl]imides were designed and synthesized. Their structures were confirmed by 1H NMR, IR, HPLC/MS and elemental analysis.

设计并合成了10个未见文献报道的N-[2,4-二取代-5-(3-甲基-2,6-二氧-4-三氟甲基-1,2,3,6-四氢嘧啶-1-基)苯基]酰亚胺类化合物,其化学结构经1H NMR, IR, HPLC/MS和元素分析表征。

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