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- The method uses the finite element time-domainexplicit difference schemes with forth order derivative. 方法中采用了一种考虑四阶导数影响的有限元时域显示差分格式。
- Methods To determin dyclonine hydrochloride D-value in transdermal solution by using transdermal test way and first order derivative spectrophotometry. 方法采用一阶导数分光光度法和体外透皮吸收实验方法测定透过液中盐酸达克罗宁的振幅D值。
- Gravity gradient is the second order derivative of gravitational potential, which can be observed by satellite gradiometer. 摘要重力梯度为重力位的二阶导数，可以通过星载梯度仪进行观测。
- Derivative method has been widely used for resolving overlapped spectra,but the noise level increases apparently in higher order derivative calculation. 导数法广泛应用于重叠峰分辨,但信噪比会随着导数阶数的增加而降低。
- The first order derivative spectrophotometry was used for determination of ofloxacin in its gel.The interference of other ingredients can be eliminated. 采用一阶导数分光光度法直接测定氧氟沙星凝胶剂的含量，能消除其它组分的干扰。
- Methods: Determination of content was studied by frist order derivative spectrophotometry,and its effects in clinical was verified baicalin by double blind method. 方法:采用一阶导数分光光度法测定黄芩苷含量作为定量指标,并采用双盲法进行临床疗效验证。
- In this paper, the authors apply the formula of high order derivative of composite formal series-the Faa di Bruno formula to solve the recurrent equations with constant coefficients. 本文将关于复合形式的形式幂级数高级微商的Faa di Bruno公式应用于常系数递 归方程的求解。
- The large deflection problem of cantilever beams was studied by means of the biparametric perturbation method and the first order derivative substitution from pseudolinear analysis approach. 利用拟线性分析方法中的一阶导数代换对基本方程进行了简化处理,将基本的微分积分方程转化为非线性代数方程组,并结合双参数摄动研究了悬臂梁的大挠度问题。
- From what does the empirically existing stability of human order derive? 经验上存在的人类秩序，其稳定性源自何处?
- I apportioned half the property to each of them. 我把财产的一半分配给他们各人。
- In order not to be late, she cut across the fields. 为了不迟到，她抄近路穿过田野。
- We started early in order to arrive before dark. 为了在天黑前到达，我们很早就动身了。
- second order derivative titration 二阶导数滴定
- She reckoned she had cut her cost by half. 她估计她减少了一半的费用。
- I worried half the night and have a fitful sleep. 我半个晚上都一直在担心，故而时醒时睡。
- The first order derivative spectorphotometry 一阶导数光谱法
- first order derivative chromatography 一阶导数光谱法
- He can fling off a poem in half an hour. 他可以在半小时之内草就一首诗。
- It took him half an hour to finish the work. 他花了半个小时做完这项工作。
- first order derivative titration 一级导数滴定
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
