The yield of the cyclic condensation between OABA and monochloroacetone was 76.7%.

1、

Cyclic condensation of Diphenylacetylene under the influence of organo-chromium compound

二苯基乙炔在有机络作用下的环化缩合

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2、

Discovery of cyclic stria on the surface of columnar joints in Cenozoic basalts in eastern Zhejiang and its significance

浙东新生代玄武岩柱状节理面旋回条纹（cyclic stria）的发现及其意义

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3、

Cyclic variations of surface structure in the human oviductal epithelium dur in g the menstrual cycle

人育龄期输卵管粘膜上皮表面结构周期性变化的扫描电镜观察

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4、

Observation of the cyclic alteration of surface morphology of BHK-21 cells by SEM

BHK-21细胞表面形态周期性变化的扫描电镜观察

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5、

Simulation of the cyclic voltammetry of surface modified electrodes

表面修饰电极循环伏安过程的模拟计算

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6、

Through a series of dynamic triaxial tests, the failure stress condition on the maximum cyclic shear surface was discussed.

通过一系列的动三轴试验，探讨以应变为破坏标准的最大往返剪切作用面上的破坏应力条件。

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7、

The Failure Stress Condition on the Maximum Cyclic Shear Surface Associated with the Failure Stain Criterion of Flyash

粉煤灰最大往返剪切作用面上应变破坏标准的应力条件

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8、

A theoretical analysis is made of the transmission characteristics of the cyclic surface temperature variations in the cylinder head.

从理论上分析了周期性温度波在缸盖内的传播特性。

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9、

Study on cumulative damage behavior of concrete under uniaxial cyclic load

混凝土的单轴抗压疲劳损伤累积性能研究

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10、

In this paper, the design method of the cyclic load testing process control is discussed.

本文探讨了周期性反复荷载试验过程控制软件设计方法。

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11、

Test Study on deformation field evolution of rock material under cyclic load

循环载荷作用下岩石材料变形场演化试验研究

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12、

The fracture reliability design method for the structure under steady cyclic load

稳态循环应力下结构断裂可靠性设计方法

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13、

Study on dynamic constitutive model of soft soils under cyclic load

软黏土在循环荷载作用下动力本构模型的研究

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14、

Study on Soft soil's Force Characteristic under Cyclic Load

循环荷载作用下软黏土的工作性状研究

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15、

Effects of Twin Size on the dislocation configuration during cyclic deformation of polycrystalline twin copper

孪晶铜中孪晶尺寸对疲劳位错组态的影响

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16、

The inflammation retardation period, combustion continuance period and combustion cyclic variability of compound alcohol fuels is greater than that of gasoline.

醇类混合燃料的着火延迟期、燃烧持续期、燃烧循环变动都大于汽油，放热规律与汽油相似。

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17、

Synthesis and Structural Analysis of Schiff Base Cyclic Polyether Compound Bearing Hydroxy Functional Group

含羟基功能团Schiff碱大环聚醚化合物的合成及其结构分析

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18、

And if there is a hydroxyl in ortho position of carboxyl, the oxygen of hydroxyl and carboxyl in ligand are bound to Ti to form hexatomic cyclic compound.

而羧基邻位有酚羟基存在时，则配体以双齿形式与钛配位形成二茂钛六元环状化合物。

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19、

The ortho-compound formed penta cyclic compound was more stable that the meta-compound formed hexa cyclic compound, so the reaction rate of the ortho-compound is larger.

由邻位化合物生成的五元环络合物比由间位化合物形成的六元环络合物稳定性高，反应速度快。

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20、

This paper reviewed the application of Arsenic reagent in organic synthesis, cyclic compound, unsatured aldehyde ketone 、 amide 、 related natural product 、 derivative of ethyleneamine.

综述了砷试剂在合成元素有机化合物，环状化合物，不饱和醛酮、酰胺以及有关的天然产物，烯胺的衍生物等方面的应用。

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