斯普伦特·达布维多取代了他。
报道了通过串联环加成芳构化反应合成多取代芳族化合物的方法。
The synthesis of polysubstituted aromatic compounds by using a tandem cycloaddition aromatization reaction was reported.
亲核性芳香取代。多取代苯衍生物合成的策略。
Nucleophilic Aromatic Substitution. Strategies in the Synthesis of Multisubstituted Benzene Derivatives.
本文报道用环加成-芳构化串连反应制备多取代芳香族化合物的方法。
The synthesis of polysubstituted aromatic compounds by using tandem cycloaddition aromatization reaction was reported.
本文报道了锆烯络合物对炔烃的烷基化加成，合成多取代烯烃，产率较高。
This paper reports the route of synthesis multisubstituted alkenes by addition reaction of alkyne zirconalkylation with zirconocene complexes.
这种合成策略还可以通过控制炔酸酯这类底物来构筑多取代的对称吡咯衍生物和非对称吡咯衍生物。
Besides, this strategy provides an alternative way to construct symmetric and asymmetric polysubstituted pyrrole derivatives via controlling the starting materials of alkynoates.
本论文是关于共轭烯炔酮与硝酮化合物反应生成多取代的呋喃化合物的研究，主要从三个方面进行了研究。
In this thesis, we have focused on the synthesis of highly substituted furan by the cycloaddition reaction of conjugated enynones with nitrones.
在甲醇和水的混合体系中，通过芳醛，丙二腈和脂肪胺的三组分反应我们顺利得到了一系列多取代的吡啶和1，4-二氢吡啶衍生物。
Polysubstituted pyridines and 1,4-dihydropyridines were prepared in a three-component reaction of aromatic aldehyde, malononitrile and aliphatic amine in a mixed solvent of methanol and water.
这向我们发出了真正的预警信号：如何不能切实有力地遏制耐多药结核病，它会随时取代目前造成全球95%的结核病例的主要药物敏感菌株。
This is the true warning signal: if MDR-TB is not vigorously addressed, it stands to replace the mainly drug-susceptible strains currently responsible for 95% of the world's TB cases.
这点从下面事例予以强化，去年取代了备受欢迎蝎子队位置的老鹰队深入调查了多件武器案件。
This was reinforced by the scuttling of the arms-deal investigation by the Hawks, a special police unit that replaced the much-feted Scorpions last year.
必须将以单剂瓶取代所有多剂量瓶的环境成本考虑在内。
The environmental cost of replacing all multi-dose vials with single-dose vials must be taken into consideration.
引进技术以削减烧煤排出的二氧化碳，或以较清洁能源取代煤炭，二者均很昂贵，故问题是中国能在多短时间内达成上述目标。
So the question is how fast China can introduce technologies to reduce carbon emissions from coal-burning, or else replace coal with cleaner forms of energy, both of which will be expensive.
这种产品看起来会很快取代多焦点人工晶体。
选择含有适量单一不饱和脂肪和多聚不饱和脂肪的食物- - -如鱼肉、坚果以及一些蔬菜油——来取代。
Choose moderate amounts of monounsaturated and polyunsaturated fats - found in fish, nuts and certain vegetable oils - instead.
如果多剂量瓶被单剂量瓶取代，还将带来环境代价。
There would also be environmental costs if all multi-dose vials were replaced with single-dose vials.
我们不希望出现更多的小默多克家族来取代这个庞然怪物。
以单剂量瓶取代多剂量瓶
新的find可能使用加号(+)取代分号(；)作为分隔符，这允许find在一次调用命令时传递尽可能多的名称，类似于xargs。
Modern versions of find may be delimited with a + sign instead of a semi-colon, and this causes find to pass as many names as possible in one invocation of a command, similar to the way xargs works.
近日，默多克丑闻取代经济新闻占据了英国各大报的头版，但这种情况也许持续不了多久，7月26日，国家统计局将发布2011年第二季度GDP的第一个增长率。
THE Murdoch scandal has pushed bad economic news off Britain’s front pages. But perhaps not for long.
如果你经常唱这首歌，你应该开始多唱一些积极的歌曲来取代你脑海中一直环绕的消极的影响。
If you've been singing such songs, you should start singing more positive songs to replace the negative pictures you've been carrying around.
研究者们目前正为此而努力，同时他们也在探索其他可取代聚乙二醇的多聚体，以便更好地控制细胞的排列结构。
The researchers are now doing that, and they are also exploring the use of different polymers that could replace PEG and offer more control over cell placement.
大多健身专家还建议用少食多餐来取代三大餐。
Most fitness experts recommend eating multiple small meals rather than three larger ones.
如果您的计划和我的一样多，那么您就要开始用铅笔取代钢笔。
If you rely on your to-do list as much as I do, then you'll want to start using pencil instead of pen.
多食用各种海鲜，用海鲜取代一些肉和家禽。
Increase the amount and variety of seafood consumed by choosing seafood in place of some meat and poultry.
在多克托罗的未来，人类在他们的大脑中植入视觉项目”whuffie”以取代普通的货币资金。
In Doctorow’s future, humans have implants in their brains that visually project their whuffie, which has replaced money as currency.
网络学习虽然有着比传统学习多的优点，但它不可能完全取代传统学习。
Although the network study has compared to the tradition studies many merits, but it is impossible to substitute for the traditional study completely.
用多叶箔片轴承取代火箭发动机涡轮泵上的滚珠轴承具有工作寿命长、工作转速高、能量损失小等重要优点。
Multileaf foil bearing, instead of ball bearing of turbo-pump in rocket engine, has many important advantages including long life, high speed and low energy loss.
这种多频激光器（MBL）将取代现有的红外干扰激光器和闪光灯子系统，以保护直升机免受红外制导导弹的威胁。
The multiband laser (MBL) replaces an existing infrared jam laser and flash lamp subsystem to protect helicopters by defeating infrared-seeking missiles.
高速公路多已取代了普通公路。
Motorways have largely superseded ordinary roads for long-distance travel.
高速公路多已取代了普通公路。
Motorways have largely superseded ordinary roads for long-distance travel.
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