查询词典 major event

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。

The effect and variation of major gene are estimated by the maximum likelihood method implemented via expectation-maximization algorithm. Major gene is tested with the likelihood ratio test statistic.

该方法以EM算法实现的极大似然估计方法进行主基因的效应估计，以似然比统计量进行主基因的各种遗传假设检验。

An annual herbal fibrous plant in Linum,is one of the three major fibre crops and the five major oil crops in the world.

为亚麻科亚麻属一年生草本纤维植物。

Major projects supporting real estate cycle of songs this week, 18 sets of transactions, transaction area 1255.9 square meters, excluding major projects supporting the impact of housing, the actual domestic average price of 8611 yuan / square meter.

重大项目，支持房地产周期的歌曲这个星期， 18套的交易，交易面积一千二百五十五点九平方米，但不包括重大项目支持的影响，住房，实际国内平均价格八千六百十一元/平方米。

IF HE IS A REAL MAJOR,I MUST BE MAJOR GENERAL!

语录一：如果他能算得上少校的话，那我绝对是少将了。

I major in music. What's your major?

2我的主修专业是音乐，你的呢？

Major League Baseball is one of the major professional sports leagues in North America.

美国职棒大联盟是北美主要的职业运动联盟之一。

In the example,"All men are mortal" is the major premise, and since mortal is also the predicate of the conclusion, it is called the major term .

在这个例子中，"所有的人都是凡人"是大前提，因为凡人也是上游的结论，这是所谓的重大任期。

Almazo Line is established as a major transportation and forwarding presence in all major Mexican ports.

Almazo 线被建立如主要的运输而且正在所有的主要墨西哥人港口中转寄出现。

The report pointed out that the three major breakthrough in the initial show that the major powers scale.

报告指出，上述三项重大突破初步显示出互联网大国规模。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。