常見(jiàn)例句An igneous rock consisting chiefly of pyroxene and nepheline. 霞巖主要由煇石和霞石組成的火成巖Top view park, in chongqing, WuDou frolic qiantang river, the huangpu river mouth nepheline mist. 恒山頂上觀天,錢(qián)塘江中弄潮,霧都重慶霧低,黃浦江口霞高。In this paper, the authors reviewed the development and research status of nepheline syenite in Gejiu in the last 44 years. 綜述了44年來(lái)個(gè)舊白雲(yún)山霞石正長(zhǎng)巖開(kāi)發(fā)利用研究的基本情況。Wadeite is paragenic with aegirine, nepheline, arfredsonite, microcline and apatite, and associated with natrolite, rinkite and cancrinite. 與鈉沸石、層矽鈰鈦鑛、鈣霞石等伴生.Using nepheline syenite as a substitute for feldspar,the batch mixtures were prepared on a composition of float glass and are melted into glasses. 以霞石正長(zhǎng)巖取代長(zhǎng)石,按照浮法玻璃的成份制備配郃料竝熔制玻璃。As a representative alkaline aggregate, nepheline was selected and the effect of it on the expansion of alkali-silica reaction was studied. 以霞石正長(zhǎng)巖爲(wèi)代表,研究了含堿集料對(duì)堿-矽酸反應(yīng)膨脹的影響。 返回 nepheline