1、

Macromolecular self-assembly is the process that polymers ( or macromolecules capped precursors) form well-defined structure driven by various weak interactions ( van der waal' force, hydrogen-bond, electrostatic interaction, hydrophobic interaction etc).

大分子自组装是聚合物(或大分子包覆的前躯体)在弱相互作用力(范德华力、氢键、疏水作用、静电相互作用、电荷转移等)的诱导下自发地形成具有规整结构体系的过程。

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2、

The iron content in Cr plating solution is determined with spectrophotometric method by using Tiron ( catechol sodium disulfonate) as reagent, which can react with Fe~ ( 3+) ions in weak acidic solution and form blue complex.

本文用钛铁试剂作试剂,利用它和三价铁在弱酸性溶液中生成稳定的蓝色络合物,用光度法测定镀铬溶液中铁杂质的含量。

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3、

During the welding process of titanium alloy and aluminum alloy, it is easy to form many kinds of brittle intermetallic compounds at the interface of Ti/ Al dissimilar alloys. Those compounds weak the bonding strength of Ti/ Al joints.

钛合金和铝合金的焊接过程中,在Ti合金/Al合金界面处极易生成各种脆性的金属间化合物,制约着接头的结合性能。

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4、

The processing results show that beam-forming filtering method can attenuate some relatively very strong multiples generated by coral riff and enhance the relatively weak primaries.

处理结果表明,聚束滤波方法可以消除相对较强的多次波,并增强较弱的一次波。

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5、

Acetylacetate ester can react with formaldehyde and ammonia to form a colored compound under weak acidic buffer of ammonium acetate.

2乙酰乙酸乙酯在弱酸性的乙酸铵缓冲溶液中与甲醛及氨反应,并形成有色化合物。

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6、

After restructured, Test Company faces many challenges such as new personnel, new equipment, weak technical forces, single management form, greatly increased workload, increased operating pressure and so on.

重组后,测试公司面临人员新、设备新、技术力量薄弱、管理形式单一、工作量大幅增加,经营压力增加等多重因素的考验。

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