查询词典 be on hand
- 与 be on hand 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Results show that 4-oxo-β-ionone is the major product with yield of 53.5% under the conditions as follows: reaction temperature 45℃, reaction time 24 h, the molar ratio of n: n(NaClO3): n 20: 100: 3, and pH value of solution in 1-3; on the other hand, 5,6-epoxy-β-ionone is major product with yield of 25.4% when reaction temperature is 40℃, reaction time is 24 h, the molar ratio of n: n(NaClO3): n is 20: 120: 5, and pH values of solution is 3. The excessive β-ionone can be recovered by vacuum distillation for reusing again. 4-oxo-β-ionone and 5,6-epoxy-3-ionone were purified by recrystallization and silica gel column chromatograph respectively with the purity over 98%.
研究结果表明:氯酸钠氧化β-紫罗兰酮的反应主要生成4-氧代-β-紫罗兰酮和5,6-环氧-β-紫罗兰酮,经重结晶和硅胶柱层析分离,纯度高于98%;4-氧代-β-紫罗兰酮的有利合成条件是反应温度为45℃,反应时间为24h,溶液的pH值为1~3,反应物配比n:n(NaClO3):n为20:100:3,最佳收率为53.5%;5,6-环氧-β-紫罗兰酮有利的合成条件是反应温度为40℃,反应时间为24h,溶液的pH值为3,反应物配比n:n(NaClO3):n为20:120:5,其收率为25.4%;未反应的β-紫罗兰酮经减压蒸馏回收后可重复使用。
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Jensen: But on the other hand you can be like that too.
不过反过来讲你也可以和我一样啊。
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To meet these standards, I think work has to be done in two areas. On the one hand, we have to step up prosecution against acts that jeopardise our environmental hygiene.
要达到上述的标准,我认为需要做好两个方面的工作:一个是加强有关破坏环境卫生的检控工作。
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OK! It should be form the project group after you know what you should do,what jetton on your hand and whole strategy of this project.
明白了要做哪些事情和你手上的筹码以及你做这个项目的总体策略,现在是成立项目小组的时候了。
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If, on the other hand, the job hunter gives a poor performance during the interview, he is unlikely to stand a chance to succeed.To be successful in a job interview, the job hunter should demonstrate certain personal and professional qualities.
第一段,讨论面试的作用,能够抓住面试这一机会充分展示自己的能力和才华者往往会一举成功,而面试失败者也就失去了一次宝贵的应聘机会。
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Non-verbal communication is also called as body language and kinesics. In other words, the information could be delivered through silent language which consists of one's hand movement, posture, facial expression, temporal and special behavior, the tune and pitch, and so on.
而非言语交际也称身势语交际或体态语交际,即通过人的手势、身势、面部表情,对时间和空间的看法,交际时的语调、音高等"无声语言"来传递信息。
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On the other hand, if the LDP and New Komeito lose enough seats to jeopardize their control of the upper house, Mr. Abe might be force to take responsibility by resigning.
但另一方面,假如自民党和新公明党结成的联盟在竞选中丧失足够多的席位以至于威胁到他们对上院的控制,那么安倍很可能迫于压力引咎辞职。
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Both operations, on the other hand, may be called with equal correctness a union of labour
但是两种动作也都可以说是工作的联合,这样说也是同样正确的
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On the other hand, some obscure Russian unit of length might be involved.
在另一方面,一些模糊的俄罗斯长度单位可能涉及。
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On the other hand,there has been so far no mapping method and software that can be used to map dominant-recessive markers obtained from F2 population of lepidopteran species.To resolve this problem,two-point and three-point maximum likelihood methods for mapping dominant-recessive markers using F2 population of this type of species were developed in this paper.At,the same time:we also gave a general method for constructing the gene linkage map of this type of species using F2 population.
另外,目前还没有任何方法和软件可以用杂交F2群体来作图鳞翅目类昆虫,如家蚕等连锁图谱,为了解决这一问题,本文发展了用F2群体作图这类昆虫连锁图谱的两点和三点极大似然法,同时还给出了大群体作图形态基因连锁图谱的一般方法。
- 推荐网络例句
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It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.
从鲍尔点的形成原理出发,分析对称连杆曲线上鲍尔点的产生条件,提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。
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The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.
集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品,年生产总值3000万美元,产品价廉物美、选料上乘、质量保证,深受国内外客户的青睐
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The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.
血精的原因很,以良性病变为主。