四氢硼钠在己烷和甲苯溶剂中，不易引发丙烯酸第三丁酯的聚合反应，但在吡啶和四氢呋喃中能引发聚合，亦得到非晶态聚合物。
NaBH4 in hexane or toluene would not initiate the polymerization unless pyridine or THF was used as solvent, but an amorphous polymer was the product.
至少使用4种不同的声母呀呀或词，如米，氮，磷，硼，T和丁?。
Use at least four different consonants in babbling or words, such asm, n, p, b, t, and d?
至少使用4种不同的声母呀呀或词，如米，氮，磷，硼，T和丁?。
Use at least four different consonants in babbling or words, such asm, n, p, b, t, and d?
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