The colorful effect is due to the diatom's silica cell wall, which encases the organism like a glassy shell.
它的五颜六色效果是由于硅藻的像玻璃外壳包围着机体的二氧化硅细胞壁。
The technical requirements for the lost pattern made from the paraffin-stearin and the shell mould made from colloidal silica in the precision casting were introduced.
介绍用石蜡-硬脂酸低温模料制作熔模，用硅溶胶作粘结剂制造模壳的工艺。
By repeating technological tests and batch production tests for over a year, the fused silica was successfully used in the production of silica sol shell for low temperature wax precision casting.
经过反复的工艺试验及一年多批量生产验证，成功地将熔融石英应用于精铸用低温蜡—硅溶胶型壳生产中。
Several important problems related to ceramic shell used silica sol as binder were studied in order to raise technical level of the shell making and improve quality of the castings.
探讨硅溶胶型壳制壳工艺中几个主要问题，以求提高工艺技术水平和铸件质量。
The requirements for silica sol and refractory powder for mold shell in face layer differ from that in back layer.
硅溶胶型壳的面层和背层对硅溶胶和耐火粉料的要求是不一样的。
This text attempts to regard silica as shell materials, regard nanometer iron and carbonyl iron particle as core materials to prepare a kind of new-type absorbent.
本文以二氧化硅为壳层材料，以纳米铁以及羰基铁粒子为核层材料，制备一种新型的吸收剂粒子。
Other IngredientsCellulose, gelatin (capsule shell), stearic acid, magnesium stearate, silica, calcium silicate.
其它成份纤维素，明胶(胶囊壳)，硬脂酸，硬脂酸镁，硅，钙硅酸盐。
Coagulation quick drying mechanism for quick-dry silica sol ceramic shell was analyzed by comparison between the stability and structure on common silica sol and quick-dry silica sol.
通过普通硅溶胶和快干硅溶胶的结构与稳定性比较分析快干硅溶胶陶瓷型的胶凝快干机理。
Preparation process of colloidal silica coating and compound shell making technology are introduced. In addition, the application results has been analyzed briefly.
介绍硅溶胶涂料的配制过程及复合制壳工艺，对使用结果作了简要分析。
Other Ingredients: Cellulose, gelatin (capsule shell), stearic acid, magnesium stearate, silica and calcium silicate.
其他成分：纤维素，明胶(胶囊壳)，硬脂酸，硬脂酸镁，硅和硅酸钙。
It is simple process, less pollution, low cost, good quality casting, and can meet producing of locomotive casting, that the investment pattern was made from the shell mold was made from silica sol.
采用硅溶胶粘结剂制造型壳，工艺简单，污染少，成本低，铸件质量好，满足机车类精铸件生产要求。
It is simple process, less pollution, low cost, good quality casting, and can meet producing of locomotive casting, that the investment pattern was made from the shell mold was made from silica sol.
采用硅溶胶粘结剂制造型壳，工艺简单，污染少，成本低，铸件质量好，满足机车类精铸件生产要求。
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