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在这一步,将步骤1的加合产物进行氟化。In this step, the adduct from step 1 is fluorinated.

一种双组份胺加成固化的环氧涂料。It's a two-component amine adduct cured epoxy paint.

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目的研究混配农药的DNA加合作用。Objective To study the adduct actions of mixed pesticides on DNA.

采用二甘醇作为加合物的分解剂,得到了二元酸。Diacid has been got using diethylene glycol as decomposition agent of adduct.

人群AFB_1摄入量与血清AFB_1白蛋白加成物检出量呈正相关。A good correlation was seen between AFB1 intake and AFB1 albumin adduct in sera.

DNA加合物水平有可能作为一项判断肺癌恶性程度的指标。DNA adduct levels can be used as a potential marker to estimate malignant degree for lung cancer.

本文研究了栉江珧闭壳肌及其脏器的营养成分。This paper studied the contents of nutrition composition of adduct and entrails of Atrina pectinata.

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讨论了分子中的电荷分布及其转移方向。The charge distribution and the direction of charge transfer in the hydrogen bond adduct are discussed.

利用此式可以准确地测定此系列表面活性剂的加成数。By means of such expression the adduct number of this series of surfactants can be accurately determined.

详细阐述了不饱和脂肪酸尿素包合分离法的原理、操作过程及各种因素对分离效果的影响。The principle and the process to separate unsaturated fatty acids by urea adduct have also been reviewed.

TGA与FTIR的结果表明失重阶段即对应封闭异氰酸酯的解封闭反应。Results from TGA and FTIR showed that the degradation stage was a deblocking reaction of the blocked adduct.

以上实验结果表明,莠去津平面分子能够嵌插到DNA双螺旋链中,形成较稳定的加合物。The above results proved that atrazine could be inserted into the double-helix of DNA and formed a stable DNA adduct.

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而DNA键结物含量和患者本身之CYP1A1和GSTM1的基因多形性无关,但和CYP1A1的蛋白表现有关。The DNA adduct levels were irrelevant to genetic polymorphisms of CYP1A1 and GSTM1, but related to the CYP1A1 protein expression.

精油经过皂化后,采用尿素包合法富集不饱和脂肪酸,可使亚油酸甲酯的含量由粗油中的78。Linoleic acid was enriched by urea adduct method of the refined oil, resulting an increasing of linoleic acid methyl ester content from 78.

相反,不能进行成环加成反应的反应物有吸电子基团的二烯和二烯烃取代物具有反式结构。By contrast, the exo adduct possesses a trans relationship between the dienophile electron-withdrawing group and the trans diene substituent.

用红外光谱表征了松香与顺丁烯二酸酐加成物及其溴化产物的分子结构,并与松香、松香溴化物进行了对比。The molecular structures of rosin maleic adduct and its bromide were characterized by comparison with rosin and its bromide using their IR spectra.

催化剂具有扭曲的椅式构型,与硼烷在N原子处配位形成加合物,反应是放热的。The catalyst is a twisted chair structure and reacts with borane at the N site of the catalyst to form catalyst borane adduct. The formation reaction is exothermic.

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裴里拉指出,在2005年出生的儿童可能比较不易罹患癌症。她先前的研究即指出,加成物的量与罹癌风险有关。Children born in 2005 will probably be slightly less likely to get cancer, according to Perera, whose previous work suggests that adduct counts correlate with cancer risk.

赭曲毒素A通过诱导DNA链的断裂、姐妹染色单体的互换、DNA加合物的形成或者活性氧发挥作用,但是作为一种毒素其作用机制仍然没有被解决。Ochratoxin A may act by induction of DNA strand breaks, sister chromatid exchanges, DNA adduct formation, or reactive oxygen but the mechanism of action as a toxin is not yet resolved.

以马来海松酸酯多元醇、马来松香酯多元醇和松节油马来酐加成物酯多元醇为基,制备了硬质聚氨酯泡沫塑料。A series of rigid PU foams based respectively on maleopimaric acid ester polyols , rosin-maleicanhydride adduct ester polyols and turpentine-maleic anhydride adduct ester polyols were synthesized.