Both the R groups are alkoxy residues.两个R基团都是烷氧基.R " is a replaceable function , e . g . acetoxy, methoxy, their acyloxy and alkoxy homologs or halo.R ” 是取化基,如乙氧基 、 甲氧基及它们的环氧和烷氧同系物或卤基....
Many farmers will then chase you off their land quite aggressively.许多农民然后就会凶巴巴地把你从他们的土地上撵走。Nearly all the women I interviewed were aggressively antagonistic to the idea.几乎我采访过的所有女性都对这个观点表示了强烈的反感。They'll react aggres...
Objective To evaluate the clinical effects of butorphanol preemptive analgesia on brachial plexus block with ropivacaine.目的评价布托啡诺超前镇痛对罗哌卡因臂丛阻滞效果的影响....
The middle button of his uniform jacket was strained over his belly.制服上装中间的纽扣在他的肚子上绷得紧紧的。He was short and fat, with a large beer belly.他又矮又胖，挺着个大啤酒肚。I really can't afford to see this company go belly up.我绝对不能眼睁睁地看着这...
The utility model relates to a new honeycomb briquet moulding machine.本实用新型是一种新型的蜂窝煤成型机.Here we outline some of the some-times conflicting forces moulding the debate.在此我们概述一些有时影响争论的相互对立的力量。Here we outline some of the som...