Water, acrylonitrile and the galactomannan gum are added to a reactor with an alkali metal hydroxide.水 、 丙烯晴和半乳甘露聚糖胶,同碱金属氢氧化物在一起,加入到反应器中.The main component of both endosperms is a galactomannan.两个胚乳的主要成分是半乳甘露聚糖....
They have only a vague idea of the amount of water available.他们只是大概知道可用水的总量。Other amenities, less commonly available, include a library and exercise room.还有一些不太常有的设施，包括图书馆和健身房。Cheap goods are available, but not in suffic...
...a lavish party to celebrate Bryan's fiftieth birthday...庆祝布赖恩50寿辰的盛大宴会He retired in 1970, on his fiftieth birthday.他在 1970 年自己 50 岁生日时退了休。...a lavish party to celebrate Bryan's fiftieth birthday...庆祝布赖恩50寿辰...