Modification for synthetic purposes on the Diels - Alder adducts 56 and 62 has only rarely been considered.为了达到合成的目的,对Diels-Alder加 成物(56)和(62)加以改造的问题很少有人考虑.The meanders of a prattling brook, were shaded with straggling w...
The microorganisms involved in symbiosis with the alder tree are actinomycetes of the genus Frankia.而与赤杨共生的微生物是放线菌.Its name is Ben Alder , it is a wild , desert mountain full of hills and hollows.它的名字是本·亚尔德, 是一座尽是些山岗和鸡谷的...
The ferric acetylacetonate, phenyl betanaphthylamine , and lecithin are added through 40 - mesh screen.将乙酰丙酮铁, 苯基B- 萘胺及磷脂通过40目筛加入.Their removal is effected by aluminum and ferric salts.用铁盐和铝盐能将其有效地除去.Ferric Chloride alon...
We have carbonated water with the same size as well.我们也提供以上容量的碳酸矿泉水....colas and other carbonated soft drinks.可乐和其他碳酸饮料Effervesce: To emIt'small bubbles of gas, as a carbonated or fermenting liquid.“冒泡: 冒出小气泡, 如碳化了的...
A harsh apparition ; tiny Midway was peculiarly set for air combat.小小的中途岛像个狰狞的魔影,说来也怪,竟被安排来作空战的场所.The patient recognized one of the women as the apparition she had seen.病人认出其中一个女的是她曾见过的幽灵。the empty apparition空虚的幻影He saw ...
双方将在12月16日再次交锋以争夺进入四分之一决赛的席位。The sides must battle again for a quarter-final place on December 16.在洛杉矶，女性参选了几乎所有的竞争席位。Women are running in nearly all the contested seats in Los Angeles.他们在选举中惨败，仅获得微不足道的3个席位。They suffered...