【单选题】脂肪酸根据碳链长度分为短链、中链和长链,一般把含有8~12个碳原子组成碳链的脂肪酸称为中链脂肪酸(medium chain fatty acid,MCFA),它被甘油酯化就生成中链甘油三酯(MCT)。 中链甘油三酯(MCT)通常可作为手术后、感染和皮肤烧伤病人的专用食品,还可用于那些患有脂肪吸收不良,艾滋病人和癌症病人、糖尿病人的食品,可用于治疗前列腺增生、消散胆石、降低胆固醇、防治高血脂症等。此...
【单选题】化学与生产、生活密切相关。下列叙述错误的是
C.
为防止中秋月饼等富脂食品氧化变质,常在包装袋中放入生石灰
【简答题】World Engines (WE) is one of the largest producers of aircraft and ship engines in the world. It has assets in excess of $600bn. It is currently considering improvements to its marine engine productio...
【单选题】After living there for one year, they have _________there.
C.
been accustomed to working
D.
been accustomed to work
【判断题】冲压模使用刚性卸料(退料)的主要优点是卸料可靠;卸料力大。()
【判断题】冲压模使用刚性卸料的主要优点是卸料可靠,卸载力大。
【判断题】冲压模使用刚性卸料的主要优点是卸料可靠,卸料力大。
【单选题】Mysterious Nazca Drawings ?? One ofthe most mysterious archaeological spectacles in the world is the immensecomplex of geo- metrical symbols, giant ground-drawings of birds and animals,and hundreds of...
B.
the lines over mountains
C.
the Peruvian tablelands
D.
the huge and complicated ground-drawings
【判断题】冲压模使用刚性卸料(退料)的主要优点是卸料可靠,卸料大。