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The synthesis of pure siliceous and aluminosilicate and various hetero-atoms substituted MCM-48 cubic mesoporous molecular sieves has been studied systematically.

系统考察了全硅和硅铝及各种杂原子取代的MCM-48立方相中孔分子筛的合成。

A hollow light guide using the aluminum phosphor bronze reflector to transmit UV laser beams has been studied.

研究了一种由表面镀铝的磷青铜作为反射面的矩形型波导传输紫外光束的性能。

Algae removal by polymeric aluminum chloride compounded with different size of clay was studied,and species of residual aluminum was determined.

研究了聚合氯化铝与不同粒径的天然粘土矿物复合混凝对水中藻类的去除效果，并对残余铝的形态分布进行了测定。

The basic research of Polymeric aluminum chloride , prepared by electrolysis, was studied by various experimental methods and instrumental analysis techniques.

本文以电解絮凝法制备聚合氯化铝的工艺基础研究为最终目的，采用多种电解实验设备和方法，对电解制作PAC的工艺条件、技术参数进行了详细而系统地研究探讨。

The removal of arsenic in micro-polluted water by enhanced coagulation was studied with poly ferric sulfate and poly aluminum chloride.

以聚合硫酸铁和聚合氯化铝为混凝剂，采用强化混凝的处理方法，对微污染饮用水原水中微量砷的去除进行了研究。

The influence of polyethylene glycol on the aluminum hydroxide product in the process of ion-exchange membrane electrolysis was studied.

研究在铝酸钠溶液离子膜电解制备超细氢氧化铝过程中，添加剂聚乙二醇对产品的影响。

Effect of NH4Cl on phase transformation of Al2O3 obtained from ammonium aluminum carbonate hydroxide has been studied.

利用 NH4Cl 其分解时释放气体的特点控制以碳酸铝铵为前驱体的氧化铝α相变过程中的团聚。

Studied to phosphoric acid and aluminum hydroxide as raw materials, synthetic product of the phosphoric acid sulphate series.

研究了以磷酸和氢氧化铝为原料，合成了磷酸铝系列产物。

The preparation of aluminum hydroxide with the aluminum ash and production of high purity polyaluminium chloride are studied.

铝灰的外观为银灰色粉末状，其主要成分为金属铝及其氧化物。

In this study,The properties of magnesium aluminum hydroxide s were studied through the transmission electron microscope.

以实验室自己合成的氢氧化镁铝胶体作为原料，用透射电子显微镜来观测其性质，并研究其分别与阴离子聚丙烯酰胺和阳离子聚丙烯酰胺组成微粒助留体系对高岭土填料的絮聚作用。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。