Through many experiments the title compound was obtained in 92% yield.
通过多次试验，使标题化合物达到92%的高收率。
This paper make research of numerical control electrochemical cutting through many experiments.
本文通过做大量的试验，对数控电解机械复合切割进行了研究。
In this article, an improved simple and fast RNA extraction method was developed through many experiments.
本文介绍经过反复实验后改进的棉花rna的提取方法，它具有快速、简单等特点。
In this paper, the optimal condition of the yeast cell breaking was studied and finally confirmed through many experiments.
研究了在重组酵母测评系统中，重组酵母细胞破壁条件的优化问题。
Through many experiments, the growth of basic magnesium sulfate whisker that fitting expanding training experiment is designed.
通过大量实验摸索，设计出适合进行拓展训练的碱式硫酸镁晶须合成与观察的实验。
Through many experiments, the effect of the modified asphalt mixture added DUROFIEX was summarized, and the economy was analyzed.
并通过各项试验结果，总结分析了DUROFIEX添加剂改性沥青混合料的效果和特点。此外还在经济方面作了分析。
The factors affect extraction such as pH, the concentration of attractant and salt, ionic strength etc, were analyzed through many experiments.
通过大量的实验，对影响萃取分离的酸度、萃取剂用量、盐用量、离子强度等诸多因素进行分析。
Through many experiments, a kind of recognition algorithm is proposed based on region-growing process and curve fitting, which was verified to have good effect.
通过大量的现场实验，提出了一种有效的基于区域生长和曲线拟合的弯道识别算法，实验验证具有良好的识别效果。
Through many experiments, the chromatographic optimum conditions in the analyzing procedure and the precision switching time of the six-port valve were defined.
通过大量实验，优化了分析过程的色谱最佳条件，找准了六通阀的切换时间；
Through many experiments, processing techniques and properties of B-type slag silicate cement was explored, and proper process control parameters were also determined.
通过大量试验探索B型矿渣硅酸盐水泥生产工艺和水泥性能，确定合理的生产控制参数。
We will study the affection to color rendering of trichromatic of laser paper through many experiments and by contrasting laser paper with art paper gold and silver foil paper.
通过大量的实验研究镭射卡纸对黄、品、青三原色油墨色彩再现的影响，同时与铜版纸、金银卡纸进行对比。
Through many experiments to ascertain optimal addition of beer and xylitol. The final product tastes more fine and daintily, meanwhile, it also has more nutritious and hygienical function.
通过多次试验确定啤酒和木糖醇的最佳添加量，使产品口感更细腻、爽口，营养更丰富，且具有特殊嗜好口感和保健功能。
A reasonable formulation for epoxy zinc-rich shop primer was designed through many experiments, the prepared film property was complyed with national standard, and the paint reduced the pollution.
通过大量的试验研究，设计了一个合理的环氧富锌车间底漆配方，制备出的涂料漆膜性能符合国家标准，且降低了涂料整体的污染程度。
Physics is an experimental science. Many physical rules and laws ought to be proved and tested through physical experiments.
物理学是一门实验科学，许多物理规律、物理定律都要通过物理实验来证明和验证。
Many signals such as signals of impulse radiation and magnetic field from physical experiments can be measured through various physical measure methods.
安排了各种各样的测试项目，实施物理测量都是通过物理试验产生的各种脉冲辐射场信号进行测量。
Through the experiments of many drivers, parameters of driver model with different levels are identified, which will be helpful in improving design of the intelligent vehicle control system.
通过大量的实际驾驶人员的试验数据，辨识出各种水平的驾驶员模型参数，为改进智能车控制系统的设计提供了依据。
Through a series of comparative experiments, it was shown that many pretreatments for quick germination of Tectona grandis fruit had definite effect if being used appropriately under its requirements.
对柚木种实的预处理，经一系列对比试验，说明只要处理得当，在保证基本满足其萌发的条件下，多种方法都能取得一定的效果。
Through a lot of many experiments, we find the relationship between the concentration of TEA solution and the color of image.
通过大量实验我们发现了，三乙醇胺水溶液的浓度与再现全息像颜色的关系。
The model of fertilizer application in cotton with high yield, quality and efficiency was made through the scientific experiments for many years.
当前，江西鄱阳湖区推广的棉花高产优质高效施肥方案，是通过多年的科学试验获得的。
Gait with rith right stability margin is derived through many gaits simulation, experiments testifed the performance of the robot.
得出稳定裕度合适的步态，实验验证了机器人的性能。
Experimental platform was set up. Through a lot of experiments, many parameters and valuable results about honeycomb electric field are obtained, such optimum voltage, optimum air speed and so on.
在实验室搭建了相应的实验平台，对蜂窝电场的各参数进行了详细的测量与研究，得出了最佳电压、最佳气流速度等重要参数。
Through many times experiments that according with the actual operating situation, this design method is proved to be feasible.
经过多次实际试验，证明该设计方法是可行的。
Many samples are collected, and also samples are prepared through dying and irradiating treatment experiments.
收集了市场上的一些有色珍珠样品，进行了染色和辐照试验，获得了丰富的试验结果。
They have carried through many science experiments in these two years.
这两年中他们进行了多项科学实验。
They have carried through many science experiments in these two years.
这两年中他们进行了多项科学实验。
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