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...
经济不发展, 这些问题永远不能解决.If the economy does not develop, these problems can never be solved.这就像巴西不发展就不是拉丁美洲世纪一样.By the same token, there could be no Latin - American century without a developed Brazil.南方不发展,北方还有什么市场?For where ...
The sun, sand beach, and foreshore tanned her skin like chocolate.那里阳光, 沙滩, 海滩造就了她巧克力的肤色.Elaine Kelly , from event organisers the Sydney Harbour Foreshore Authority, was delighted with the result.悉尼港前滨管理局的咖啡节组织者之一伊莲?凯莉对这...
热储岩体的岩石成份各式各样.The reservoir rock can be of various lithological compositions.在靠近交界带上有重要的一连串的含镍橄榄岩(体)的侵入.Near the border zone an important string of nickeliferous peridotites is emplaced.固体岩体变换的过程即所谓变质作用.The process of al...
Kneeling in front of the open hearth, old Maria was fanning the smoldering fire...老玛丽亚跪在壁炉前的空地上，扇着闷燃的炉火。Other people were kneeling, but she just sat.其他人跪着，而她只是坐着。He was kneeling on the floor pleading for mercy...他跪在地板上请求...
At the moment , nobody knows if SIDS babies die of brachycardia or hypothermia or both.这两种症状在SID患儿身上是二者有其一还是两者皆有,目前尚无人得知.The regional hypothermia methods are mostly epidural cryogenic liquid filling and the heat intercha...
He was not willing to attend the colloquium.他不愿参加这个学术讨论会。The doctor collectivity that attends colloquium stands up, applause ardently.参加讨论会的医生全体起立, 热烈鼓掌.On colloquium , everybody as follows the view that all respects exp...