The colloidal particle is the polycondensate of hydrated silica gel (multi-silica acid), belongs to a non-crystalline-state substance.

是具有固体特性的胶态体系，由形凝集结构的胶体粒子构。

Silica gel column separation method and spectrophotography were used to determine the content of urson in the preparation.

采用硅胶柱分离分光光度法,对制剂中所含熊分进行含量测定,结含量测定的标准品线性关系好,检测数据稳定。

The practice showed that the blast furnace slags mainly consisted of melilite,cuspidine,bivalent metallic sulphide and Ce-Ca silica.

黄长石、枪晶石、二价金属硫物、铈钙硅石是构高炉渣的主要矿物。

Four distribution patterns of are found on microphyll silica body, which are microphyll margin, midrib, homogeneity and nil patterns.

晶体于叶表面的分布有叶缘型、叶两侧型、全面分布型晶体型等共四型。

Kroger, N., R. Deutzmann, and M. Sumper. "Polycationic peptides from diatom biosilica that direct silica nanosphere formation." Science 286, (1999): 1129-32.

硅藻生物硅中左右硅纳米超微粒组之聚阳离子型肽〉《科学》286,(1999):1129-32.

The soybean phosphatidylethanolamine and phosphatidylinositol were prepared by combining methods of solvents extraction and silica gel column chromatography from soybean oil sediment.

采用溶剂萃取法和柱色谱法相结合的工艺,从大豆油脚中制备肌醇磷脂,研究了不同洗脱剂对柱色谱分离脑磷脂和肌醇磷脂效的影响。

Methods 80 cases (90 eyes) of chronic dacryoadenitis or simple obstruction of nasolacrimal duct were treated by inverse planting silica gel tubes.

方法对80例(92只眼)慢性泪囊炎、单纯鼻泪管堵塞患者行逆植球头硅胶管治疗。

Objective To study the treatment effects of chronic dacryoadenitis and obstruction of nasolacrimal duct by inverse planting silica gel tubes with spherical end.

目的探讨逆植球头硅胶管治疗慢性泪囊炎、单纯鼻泪管堵塞的临床疗效。

A study was made of the effect of using silica gel and macroporous resin I as absorbent in column chromatography on the separation of tigogenin.

研究用硅胶、大孔树脂Ⅰ作为吸附剂的柱色谱的分离效。

When this method is used for the determination of silica in zincous concentrate, the results are coincident with country standard method, but this method is simpler and more rapid.

用本法测定锌精矿中的二氧硅国标法结吻合。