Objective: To explore ultrasonography as the rapid and accurate method in the diagnosis of intrauterine growth retardation (IUGR).
目的：探讨超声对胎儿宫内发育迟缓(IUGR)的快捷、准确的诊断方法。
It also introduces the method to settle the transfer problem of the polarization state using the transfer function when polarized light passes through retardation sheet.
介绍了描述光波偏振态的复平面法，提出了在复平面上利用偏振传递函数解决偏振光通过延迟器件的偏振态变换问题。
Put forward a new method of assembling polarization-interference to measure the phase retardation of wave-plate.
提出了会聚偏振光干涉法测量波片相位延迟量的新方法。
Objective: to observe the clinical curative effect of Kidney tonifying method on retardation of immunosenescence and corresponding experimental study.
目的：观察补肾法延缓免疫衰老的临床疗效及相应的实验研究。
The variation behavior of phase retardation of wave-plate with temperature was introduced, and the electro-optic modulation method was put forward to measure the phase retardation.
介绍了波片的相位延迟量随温度的变化行为，并提出一种测量相位延迟量的方法。
Technical requirements and method of flame retardation test in industriial standard of type CL81 highvoltage polyester film capacitors are described.
介绍了CL81型高压聚酯膜电容器行业标准中关于阻燃试验的技术要求和试验方法。
The systematic study of this composite system is made by using Jones matrix method. The results show that the retardation can be adjusted continuously and satisfies the requirements of compensator.
利用琼斯矩阵方法对其进行系统的研究，结果表明其延迟量连续可调，满足补偿器要求。
The results indicated, plywood with this method is not satisfying and its properties of environmental protection and flame retardation are hard to improve, the highest OI is only 38% in experiments.
试验结果表明，经浸渍处理的成品胶合板的环保、阻燃性能均不理想，很难达到环保、阻燃的要求，试验中氧指数最高为38%。
The invention is a kind of aerogel compound soft thermal retardation and insulation film and the manufacturing method.
本发明为一种气凝胶复合柔性保温隔热薄膜及其制造方法。
The invention is a kind of aerogel compound soft thermal retardation and insulation film and the manufacturing method.
本发明为一种气凝胶复合柔性保温隔热薄膜及其制造方法。
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