而滤液激发子强活性物质集中在L9组分.L 9 and L 16 obtained from CFE.表明两类激发子都具有较强的耐酸碱性和耐热性.This shows that elicitors could have endurance for acid and alkali and heat.当把电子和空穴配成一对时, 在它们重组之前, 它们被称为激发子.When matching electron and cavity a pair...
The naming of stars is at the discretion of the International Astronomical Union.给星体命名是由国际天文学联合会决定的。He developed an armillary sphere, on which were carved all the astronomical phenomena known time.经过多年的观察,他研制了一架“浑天仪”.凡是知...
一脚蹬比系带鞋容易穿。Slip-on shoes are easier to put on than lace-ups.用镶边、系带和流苏装饰朴素的床罩和窗帘。Embellish basic covers and curtains with borders, ties and fringing.穿合脚的、系带的软帮鞋。Wear well-fitting, lace-up shoes with soft uppers....
At this point esch chromosome consist of a pair of chromatids and the two associated chromosomes are termed a tetrad.此时每条染色体由一对染色单体构成,这两条联合的染色体称为四分体.Microspore abortion occurred after the tetrad formation.小孢子败育发生在四分体形成以后...