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For most of the enones and allylic alcohols, the reaction could be completed within several hours with good yields.

反应无需有机溶剂，对于大部分的烯酮和烯丙基醇反应可以在数小时内完成，产率良好。

The average recovery of amygdalin was 99.0% with RSD of 2.9%(n=5). Besides simplicity and rapidness, the method yields accurate and reproducible results and can therefore be used in the quality control of Semen Armeniacae Amarum.

本方法简便快速，结果准确可靠，为苦杏仁苷的含量测定提供了一个新方法，可用于苦杏仁药材及含苦杏仁复方制剂的质量控制。

Polyethylene glycol dimethacrylate, one of the fine chemical intermediates is the main ingredient of anaerobe. With the development of adhesives, the domestic production of polyethylene dimethacrylate has been challenged from many aspects, therefore, to improve the production technics and yields has been the key problem to resolve at present.

缩乙二醇双甲基丙烯酸酯——精细化学品中间体之一，作为胶粘剂中厌氧胶的主剂，在胶粘剂日益发展的今天，国内的缩乙二醇双甲基丙烯酸酯生产受到了很多方面的挑战，因此，改进生产工艺，提高产率是目前缩乙二醇双甲基丙烯酸酯生产首要解决的问题。

The effect of azotobacter fertilizer on living activity, soil fertility, yield, total nutrient and crop quantity is studied at the different level of using nitrogen .in the calciform soil by the rape potted plant biology analogue experiment, in order that the best scope of valid applying azotobacter fertilizer is determined. It can offer theoretic basis for searching ways of biology controlling to high yields and qualities, optimization directions for products of special compound fertilizer and valid using.

本文通过油菜盆栽生物模拟试验，研究了在不同施氮水平下，石灰性土壤上固氮菌肥料对土壤微生物活性，养分以及油菜的生物产量、全量养分和品质的影响，旨在确定固氮菌肥料有效应用的最佳土壤氮素范围，为探求油菜作物高产优质的生物调控途径及专性生物复合肥的优化配比提供理论依据。

In the first step of thedouble annulation route, 2-amino-3-carbamoyl-5,6-dihydro-4-pyridones 2 werecreated in high to excellent yields by a formal [5C + 1N] annulation reaction ofketene--acetals 1 with ammonia.

第一步，二硫缩烯酮1和氨源通过[5C + 1N]加成反应产率极高的得到了2-氨基-3-氨基甲酰基-5，6-二氢-4-吡啶酮2。

There is obvious influence of the physiological activity of flag leaf after anthesis on the yields of winter wheat.

小麦开花后旗叶的生理活性对产量存在显著影响。

Although many American dialects feature aphesis,it is most famous in the dialects of the South,where it yields pronunciationssuch as count of for account of, tater for potato, possum for opossum, and skeeter for mosquito.

虽然许多美国方言具有词首非重读短元音省略的特征，但这一现象在南方的方言中最为显著，并产生了许多新发音，如 account of 被读成 count of，potato 被读成 tater，opossum 被读成 possum 以及 mosquito 则被读成 skeeter

The FCT-150, a 6 fluorite triplet apochromat, yields exquisite images at f/7 or even f/5 with its optional focal reducer.

高桥FCT-150，采用6英寸的萤石三片APO物镜，能在f/7时产生高度细节的图象，如果采用减焦镜，能在f/5时实现相同效果。

The comparison with digital simulation for given examples shows that the method yields satisfactory approximate results.

与数字模拟结果的比较表明，该方法给出令人满意的结果。

Pot experiment was conducted to study the effects of 12 mg/kg cadmium treatment on yields, Cd contents and seed quality of fifteen peanut genotypes（ Arachis hypogaea L.）.

采用盆栽实验，研究镉浓度12 mg/kg处理对15种基因型花生籽仁产量、镉含量和品质的影响及种间的差异。

The system can be widely used in belt weighing and batching process control,etc.

介绍了基于智能模糊控制的嵌入式配料系统的设计方法，对模糊PID控制过程和系统调零作了重点的讨论，同时给出了PID控制的程序流程图和系统定长调零子程序。

"I dunno," she answered,"but if you show me aroun', I'll recognize it from the lighthouse just outside the porthole."

"我不知道，"她回答说，"如果你能带我转转，我能认出来的，因为灯塔就在舷窗外。"