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Based on airpollution reports on this area, this paper concluded therelic-corrosion mechanism and phenomenon by dust, the relicserosion and reaction by acid rain, inorganic relic rustingand organic relic decolour by SO[,2],NO[,2],CO[,2],O[,3], andother g

该文根据近年来关于大气环境污染的报导,着重论述了尘埃对文物损害的机理和现象,酸雨对文物的腐蚀过程和反应机理,以及SO[,2],NO[,2],CO[,2]和O[,3]等气态污染物使无机质文物老化、生锈,有机质文物脱色、褪色的原因。

Based on airpollution reports on this area, this paper concluded therelic-corrosion mechanism and phenomenon by dust, the relicserosion and reaction by acid rain, inorganic relic rustingand organic relic decolour by SO[,2],NO[,2],CO[,2],O[,3], andother

该文根据近年来关于大气环境污染的报导,着重论述了尘埃对文物损害的机理和现象,酸雨对文物的腐蚀过程和反应机理,以及SO[,2],NO[,2],CO[,2]和O[,3]等气态污染物使无机质文物老化、生锈,有机质文物脱色、褪色的原因。

XRD and TEM confirmed that the novel mesoporous silica has a diamonded face centered cubic structure with Fd3m symmetry, which was first reported up to date.

论文的第五章,用三头季铵盐阳离子表面活性剂作结构导向剂,用硫酸锆作无机锆源,在水热条件下合成了一种新的类似于SBA-1分子筛的立方介观结构(Pm3n)的硫酸氧锆复合材料。

The product offers a perfect solution for the problem of color durableness of mineral coating and makes mineral coating really coexist with nature, really a revolution of coating industry.

改性后的硅酸钾不但具有更为良好的化合性,同时与各种氧化无机色素能良好相容,彻底解决了矿物涂料的色泽问题,使得矿物涂料真正与自然共存,成为涂装行业的一次革命。

The results show that this kind of IPN hydrogels are temperature-sensitive, and, compared with inorganically crosslinking PNIPAAm hydrogels, these IPN hydrogels exhibit enhanced storage modulus and ultrafast response rate, such as losing water of 90% within 10 min because of the porous structure which provides the water-releasing channel; by incorporation of PAAm network, the phase transition of PNIPAAm hydrogels is weakened, but the lower critical solution temperature is increased.

研究表明,该IPN凝胶具有温度敏感性;与未互穿的无机交联PNIPAAm凝胶相比,IPN凝胶具有多孔的网络结构和超快的响应速率,如10min内失去90%的水;其储能模量增加了3~4倍,相转变行为变弱,而最低临界溶解温度提高了1.4℃。

Advance on polypyrrole intercalative organic/inorganic material is reviewed, which includes technology of preparation, characterization of its structure, as well as the relationship between property and its structure.

摘要综述了近年来发展很快的聚吡咯有机/无机插层材料的研究近况,并介绍了这种材料的结构特徵和制备方法以及结构与性质的相互关系。

The magnetite with a mean diameter of 8nm was prepared by chemical coprecipitation methods. By the addition of nonionized oleic acid to the suspension of magnetite in solution during precipitation, the magnetite nanoparticles were coated with a double surfactant layer. A gel-like precipitated precursor is then formed because of the hydrophobic interaction among those coated units. By transferring of this precursor to an organic solvent, the surfactant double layer on Fe〓O〓 nanoparticles reduces to one; however, it still remains as a double layer by transferring to an alkaline aqueous solution. Both these cases give in stable colloids of superparamagnetic Fe〓O〓 nanoparticles.

从解决无机磁性Fe〓O〓颗粒与有机烯类单体的相容性入手,采用化学共沉淀法,制备了平均直径为8nm的超顺磁性Fe〓O〓颗粒,在制备过程中以非离子形式引入油酸,在Fe〓O〓颗粒表面形成一个具有双层结构的疏水外壳,并通过疏水相互作用凝聚成磁性Fe〓O〓凝胶,能够以单分子层结构形式溶解在非极性溶剂中,也能够以双分子层结构形式溶解在碱性水溶液中,形成稳定的超顺磁性Fe〓O〓溶胶。

Inorganic compounds were traditional herbicides, but due to problems with persistence and nonspecificity, compounds such as borates and arsenicals are rarely used.

无机化合物是除莠剂的惯用试剂,但由于具有持久性和非特异性的问题,如像硼酸盐和含砷制剂的化合物是极少应用的。

In this paper octadecyl acrylate-maleic anhydride copolymer were prepared and used as compatibilizing agent of the blend system of polypropylene,starch and inorganic filler,which can be used as photo-biodegradable plastic.

采用丙烯酸十八酯-马来酸酐的共聚物作为聚丙烯(PP1330)淀粉无机填料共混体系的相容剂,制成的共混材料,代替聚苯乙烯发泡体作为可降解的一次性餐饮具。

Highly ordered SBA-15 sieves have been successfully synthesized in a low concentration liquid inorganic acid medium via the addition of small amounts of phosphomolybdic acid.

通过在低浓度无机液体酸介质中添加少量磷钼酸,成功地合成了高度有序的SBA-15介孔分子筛。N2吸附-脱附、XRD、TEM和水热稳定性实验等检测结果表明:用这种方法不仅可以大幅度降低合成SBA-15分子筛所需液体酸的用量和缩短晶化时间,同时反应产物SBA-15在100℃的水中处理72h后仍然保持六方有序的介孔结构

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However, as the name(read-only memory)implies, CD disks cannot be written onorchanged in any way.

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