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With solid state synthesis method,the expression of rate of reaction is detected and order of reaction and activation energy are defined.

本文通过固相合成的方法,对反应速率进行了测定,确定其反应的反应级数和活化能分别为4。

The optimal control law obtained consists of linear analytic functions and a compensation term which is a series sum of the adjoint vectors. The analytic functions can be found by solving a Riccati matrix difference equation and a matrix difference equation. The compensation term can be obtained by a recursion formula that solves adjoint vector equations.

得到的最优输出跟踪控制律由状态向量的线性解析函数和伴随向量级数形式的补偿项组成,其解析函数由一次性求解Riccati矩阵差分方程和矩阵差分方程得到,补偿项由求解伴随向量差分方程的递推公式得到。

The results of empirical research of the three models show: The listed companies with irregularity actions are arranged in the aftermost part on the basis of evaluating results in accord with facts; the evaluating results of coefficient of variation model and catastrophe theory model is high correlation and more exact than the results of KMV model; when choosing credit risk models, we should consider the differences between indexes' models and unindexes'models.

三个模型的实证分析表明:受违规处理的上市公司排名都靠后,评估结果符合实际情况;变异系数模型和突变级数模型结果高度相关,并且比KMV模型结果的准确性更高;在选择信用评估模型时,要考虑指标评估和非指标评估模型的差异。

Theorem 1 A series of nonnegative terms converges if and only if it's partial sums are bounded above.

定理1 正项级数收敛的充分必要条件是:它的部分和数列有上界。

The items of shear modulus and bulk modulus which are not instantaneous are input when define the viscous items.

定义粘性项时需输入剪切模量和体积模量的PRONY级数表达式的非瞬时项。

Also introduced 3 kinds of methods to serve as a frequency domain data to change the theoretical foundation that is time domain data at the same time, namely law of Fourier progression law, fast Fourier commutation and Chirp-z commutation law, made corresponding assessment to these 3 kinds of methods.

同时也介绍了3种方法作为把频域数据转换为时域数据的理论基础,即傅里叶级数法、快速傅里叶变换法和Chirp-z变换法,并对这3种方法作了相应的评价。

The results showed that 1,5-naphthalene disulfonic acid could be degradated effectively by the catalytic supercritical wa...

结果表明,催化超临界水氧化技术能有效地降解1,5-萘二磺酸,COD去除率可达98%以上;随着反应温度的升高,停留时间的延长,COD去除率也提高;1,5-萘二磺酸在超临界水中催化氧化降解反应的级数对COD和氧气分别为0.89和0.28,活化能为56.8 kJ/mol。

To study the jack up drilling rig used in Bohai sea, a bending deformation equation expressed by trigonometrical number equation is established based on energy method.

以渤海自升式钻井平台为研究对象,根据能量法建立了用三角级数方程表示的隔水导管挠曲变形方程,由雷利法计算了隔水导管系统的振动频率,并通过工程实例对隔水导管在不同尺寸和不同水深条件下的自振特征和特点进行了分析。

In the case of continuous operation, the consumption of enzyme, conversion and cost with different number of reaction stages were examined.

对于批式反应,计算了不同浓度底物的水解过程和各种抑制因子对反应过程的影响;对于连续反应,计算了不同级数下的需酶量、转化率和成本消耗。

Experiment was carried out with 6-year-old trees of Shuguang nectarine cultivar, which were treated with short-term heating of 40℃,45℃ and 50℃ for studying the effects on the leaf and fruit bud life, bud burst, the content of starch and soluble sugar, and on the dormancy release.

以6年生曙光油桃为试材,研究40℃、45℃、50℃3个梯度高温短时间处理对花芽和叶芽的存活率、萌芽级数以及淀粉和可溶性糖含量的影响,探讨短时间高温处理对桃芽自然休眠的调控效应。

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Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

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