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A new method on extraction of phenanthrene from crude anthraceneis given, which includes azeotropic dissolution with ethylene glycol, extraction of carbon tetrachloride, treatment of sulfuric acid and ethyl alcohol recrystallization, in the end, the best
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研究了从粗蒽中提取菲的方法，即用乙二醇对原料进行共沸，以四氯化碳为溶剂并用硫酸处理，最后用无水乙醇重结晶，制定出最佳的工艺路线. |
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A new method on seeking asymptote is given by applying the relation between secant and asymptote, this method is helpful to train creativity of students.
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摘要利用曲线割线的极限得到曲线的渐近线，给出了求渐近线的一种新方法。这种方法直观性强，有助于培养学生的创新能力。 |
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A new method to determine the concentration of ammonia-nitrogen by ammonium ion selective electrode has been introduced in this paper.
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摘要本文介绍一种新型的测量氨氮浓度的方法―铵离子选择电极分析法。 |
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A new method to extract line-spectrum series based on energy criterion and sub-band synthesis is presented in this paper, and verification is further investigated with simulated and measured data.
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本文提出了一种基于能量判据和子频带综合的线谱序列提取方法，并利用实测数据进行了比较分析。 |
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A new method to fabricate optical microstructures with different profiles such as spherical and aspherical outlines is discussed.
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摘要讨论了一种制作球面和非球面轮廓光学微结构的新方法。 |
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A new method using reference layer and adjusting acoustic velocity for calibrating thin reservoir was proposed.
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提出以参考层为标准，并对声波速度进行微调的薄储层的标定方法。 |
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A new method was built to determine the POV of powdered oils by broking the wall with ultrasonic and then extracting the oil to determine the POV.
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摘要建立了一种简单、重复性好的超声波破壁提油测定粉末油脂中油脂过氧化值的新方法。 |
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A new method was introduced for testing the fuel injection law of diesel engine via neural network on the basis of the calculation of the pressure waves measured by a sensor clamped on the high-pressure tube of a diesel engine.
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对用外卡式压力传感器测量的柴油机高压油管压力波计算喷油规律的方法进行分析，提出了利用人工神经网络检测柴油机喷油规律的方法。 |
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A new method which carried out the self-assembly of drug-loading nanoparticles and stent by comprehensively applying the micro-forces such as dielectrophoretic force, capillary force, and hydrophobic force is put forward, and the self-assembly process sch
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同时提出综合应用介电泳动、毛细作用和组件的疏水性等微观作用力，实现载药纳米颗粒与血管支架自组装的方法，并给出了自组装的实现工艺图。 |
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A new minister has been appointed to watch over the welfare of disabled people.
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任命一名新部长负责残疾人的福利。 |
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A new model for spectral prediction of halftone prints based on the spectral Neugebauer equation and the Clapper-Yule model is develeped.
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摘要在分析纽伦堡和克拉普光谱预测模型的基础上，提出了一种新的网目印刷光谱预测模型。 |
