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....
...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...
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...