研究了由聚二甲基硅烷热解制备聚碳硅烷的过程，探讨了合成条件对产物特性的影响。
Preparation of polycarbosilane (PCS) by pyrolysis of polydimethylsilane has been investigated. Effect of synthesis condition on the properties of products was studied.
新增塔投入运行后，经二甲基二氯硅烷的纯度、水裂解工序的操作性及产品质量等指标验证，达到了预期的效果。
When new tower put into use, verifying the purity of dimethyldichlorosilane, operability of hydrolyzed and cracked process and product quality, it got the desired results.
以正硅酸乙酯为原料，经溶胶-凝胶过程制备二氧化硅溶胶，再利用二甲基二乙氧基硅烷（DDS）对其进行改性，制备了疏水性二氧化硅凝胶。
Hydrophobic silica gel was prepared by sol-gel process using tetraethoxy silicone(TEOS) as raw material, then the surface was chemically modified by diethoxydimethylsilane(DDS).
实验研究了直接法流化床合成甲基氯硅烷过程中反应温度对反应活性和二甲基二氯硅烷(DDS)选择性的影响。
The effect of reaction temperature on reaction activity and selectivity of dimethyl dichlorosilane (DDS) in direct synthesis process has been investigated experimentally.
产物是双键经过重排的取代烯丙基二甲基甲氧基硅烷6—10，该产物可进行一系列亲电取代反应。
The rearrangement of allylic double bond took placed in the course of these reaction. 6—12 are able to undergo a lot of electrophilic substitution reaction.
产物是双键经过重排的取代烯丙基二甲基甲氧基硅烷6—10，该产物可进行一系列亲电取代反应。
The rearrangement of allylic double bond took placed in the course of these reaction. 6—12 are able to undergo a lot of electrophilic substitution reaction.
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