加合物

The formation,distribution and the removal of the two major ADAs,AFB 1 N 7 Gua a...

ADA的两种主要加合物的生成、分布和清除以及它们与AFB1致癌作用的关系也作了讨论。

Results No adduct was detected in the bone marrow of control group.

但有关苯的代谢产物在动物骨髓中形成DNA加合物的研究报道甚少。

DNA adduct levels can be used as a potential marker to estimate malignant degree for lung cancer.

DNA加合物水平有可能作为一项判断肺癌恶性程度的指标。

Objective To study the influences of external exposure on polycyclic aromatic hydrocarbons-DNA adduct formation in lung cancer patients.

目的 探讨某些外在因素和体内多环芳烃类-DNA加合物的量以及人肺癌三者的关系，以期评价环境的影响，发现高危人群。

Principles of hindered amine adduct ,performances and application processes of resulted aliphatic polyurea paints are introduced.

详述了受阻胺加合物的原理以及由此制成的脂肪族聚脲涂料的性能和施工方法。

This study was conducted to examine the potential chemopreventive effect of Chinese green tea against PhIP-DNA adduct formation in rats and its possible mechanisms.

本研究以致癌物-DNA加合物为生物标记物，观察绿茶对PhIP致癌作用的预防效果及机理。

In the presence of cellobiose, CDH can reduce radical, 4-malimeido-TEMPO radical and Milled Wood Lignin radical, which indicates a wide variety of radical sustrate.

在纤维二糖存在条件下，CDH可以还原自旋加合物、氮氧自由基4-malimeideo-TEMPOT和磨木木素（Milled Wood Lignin，MWL）自由基，表现了广泛的自由基底物范围。

These products include sodium percarbonate, percarbamide, 4Na 2SO 4·2H 2O 2·NaCl adduct, tertiary amine oxides, hydrazine hydrate, dihydroxy benzene, quaternary ammonium salt hydrogen peroxide and methylethyl ketone oxime.

介绍了近期国外过氧化氢在部分化学品合成中应用研究新进展，产品包括过碳酸钠、过碳酰胺、4Na2 SO4·2H2 O2 ·NaCl加合物、叔胺氧化物、水合肼、二羟基苯、季铵盐过氧化氢和甲乙酮肟。

Inorganic chemistry ; hydrogen peroxide ; review ; sodium percarbonate ; percarbamide ; 4Na 2SO 4·2H 2O 2·NaCl adduct ; tertiary amine oxides ; hydrazine hydrate ; dihydroxy benzene ; quaternary ammonium salts hydrogen peroxide ; methylethyl ketone oxim

无机化学；过氧化氢；综述；过碳酸钠；过碳酰胺； 4Na2SO4·2H2O2·NaCl加合物；叔胺氧化物；水合肼；二羟基苯；季铵盐过氧化氢；甲乙酮肟；合成；催化剂；质量；安定性；收率

In this paper,a series of CO_2 adducts of N-heterocyclic carbenes are designed and synthesized.Then,they are employed in the coupling reactions of carbon dioxide with epoxides as the catalysts.And the effects of molecular structure on the catalytic activity are observed.

论文设计合成了一系列的NHC-CO_2加合物，并将其作为催化剂首次应用于催化二氧化碳与环氧化物的环加成反应，考察了这类催化剂的分子结构对催化性能的影响。

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。