The research and development progress of methods for preparing anhydrous hydrazine and methods for purifying hydrazine hydrate and anhydrous hydrazine is also introduced.

1、

Foreign Research and Development Progress of Preparation and Purification Methods for Hydrazine Hydrate and Anhydrous Hydrazine

国外水合肼、无水肼制备及提纯方法研发进展

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2、

The fatigue crack growth and the influences of fatigue crack growth under constant amplitude loading and overload are investigated.

研究了等幅应力和过载作用下，疲劳裂纹的扩展速率与影响因素。

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3、

Phased-array radiation lobe is superposed by isometric array element with constant amplitude.

等幅等距分布的辐射单元单独工作时形成的辐射场，叠加后可得到相控阵天线的阵列波瓣。

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4、

Crack propagation studies on AI 7475 on the basis of constant amplitude and selective variable amplitude loading histories

7475铝合金在恒幅及所选变幅加载历程下的裂纹扩展研究

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5、

The model is verified experimentally by use of typical glass/ epoxy laminates under constant amplitude fatigue.

该模型已用典型层板复合材料在恒幅疲劳载荷作用下的实验数据进行了验证。

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6、

Analysis of Fatigue-life of Hydro-concrete Under Constant Amplitude Cycle Loading

等幅循环荷载下水工混凝土疲劳寿命分析

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7、

Overloads of Poisson flow with uniform distribution on base line constant amplitude cyclic loads are considered.

载荷谱为在基本恒幅循环载荷基础上加入一以泊松流发生的随机超载序列，超载的大小为均匀分布。

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8、

Study of Constant Amplitude Composed Current Vector Uniform Velocity Micro-step Circumgyration Control Based on Chebyshev Interpolation

基于Chebyshev插值的等幅合成电流矢量匀速微步旋转控制研究

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9、

The nonlinear elastic hysteresis behaviour of granite is studied based on experimental results under constant amplitude cyclic loading.

通过花岗岩常幅循环加载试验，分析岩石的非线弹性滞后特性。

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10、

The treatment of vocal nodules with constant amplitude medium frequency sinusoidal current is reported in this article.

本文报道了等幅正弦中频电流治疗声带小结，有效率为31.88%，治愈率为59.42%，总有效率为91.30%。

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11、

The VCXO circuit can put out clock signals with high stable frequency and the constant amplitude.

设计的VCXO能输出高稳定度、振幅恒定的时钟信号。

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12、

Review of effects of some factors on corrosion fatigue crack propagation under constant amplitude loading in titanium alloys

钛合金恒幅载荷下腐蚀疲劳裂纹扩展影响因素和机理的综述

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13、

The AGC circuitry keeps constant amplitude of driving oscillation.

同时，采用自动增益控制（AGC）保持恒定的驱动振动幅度。

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14、

Optimization Method for Fitting Three-Parameters of P-S-N Curve under Constant Amplitude Loading

等幅疲劳三参数P-S-N曲线最优拟合法

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15、

This paper studied the fatigue properties of the plain concrete under constant amplitude flexural cyclic loading.

在室内混凝土试件弯曲疲劳试验的基础上，研究了素混凝土受弯试件在等幅重复荷载作用下的弯曲疲劳性能。

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16、

Fatigue damage evolvement of reinforced concrete beam strengthened with fiber laminate under constant amplitude load

常幅循环载荷下纤维薄板增强钢筋砼梁的损伤行为研究

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17、

Fatigue behavior of RC Beams Strengthened with CFL under constant amplitude load

常幅循环荷载下CFL增强RC梁弯曲疲劳性能研究

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18、

Analytic model based on stress intensity factor for estimating the reliability of structural components under constant amplitude loading

常幅载荷下结构元件断裂可靠度估算的应力强度因子模型

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19、

Constant Amplitude and Variable Load History Fatigue Test Results and Predictions for Cruciform Weld

十字接头恒幅和变载荷历程疲劳试验结果及预测

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20、

The treatment of 69 cases with vocal nodules with constant amplitude medium frequency sinusoidal current

等幅正弦中频电流治疗声带小结69例

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