substitution method

This paper further inspect through the variable substitution endogenous test and introduce appropriate instrumental variables regression three stage least squares method, to ensure the reliability of the conclusion of the study.

本文通过因变量替换进一步检验和引入合适的工具变量进行三段最小二乘法回归的内生性检验，保证了研究结论的可靠性。

Mechanism and Application of Vibration and Substitution Method in Reinforcement of Tailings Dam

振冲置换法加固尾矿库坝的机理和应用

Solution of beams on tensionless Winkler foundation by Fourier series and method of successive substitution

用富氏级数及迭代法解无拉力温克勒尔地基上的梁

The nucleophilic substitution method has the simple aftertreatment procedure and the raw material of chlorine ethyl carbazole ( by microwave) easy obtaining.

亲核取代法制备CEM的后处理简单、所需氯乙基咔唑原料易得（采用微波法合成）。

Substitution Method of Different Optimal Objectives and Its Application on Arch Dam Design

不同目标优化的置换法及其在拱坝设计中的应用

Being the fact that PIN switch tends to handle higher power and beam lead PIN diode has bad thermo diffuse properties, a power substitution method is proposed to verify PIN switch designs.

鉴于PIN开关有承受更大的射频功率倾向和梁式引线PIN二极管散热较差的事实，本文提出了一种替代法进行功率验证。

In this paper, the introduction of heteroatom gallium into the framework of a Y zeolite by the isomorphous substitution method had been reported and the desulfurization of various model fuels over the synthesized Y zeolite ( [ Ga] AlY) was studied.

本论文采用液-固相同晶取代的方法将镓引入到Y型分子筛骨架中，首次利用合成的杂原子分子筛（[Ga]AlY）对含有不同硫化物的模拟燃料进行了吸附脱硫研究。

A method to change the building step was advanced to solve the problem. The substitution of pile with shallow foundation was computed; and the feasibility of applying shallow foundations is also demonstrated.

对加铺地基梁的加固效果进行了计算，提出用改变工序来减少土体侧向挤出的方法，对用修建浅平基础代替桩基的工程效果进行有限元计算，论证了使用浅平基础的可行性。

Then, a new approach for fault diagnosis using fault-prediction technique, substitution theorem, superposition theorem and branch tearing method is suggested and the parallel processing technique is discussed.

然后将故障预测技术、替代理论和迭加定理运用到支路撕裂法中，得到一个新的故障诊断方程，并给出了一种新的算法。

Introduces the low pressure circulation receiver substitution method for the no-stop production repair of cold storage.

介绍某冷库氨制冷系统不停产大修时采用的低压循环贮液器替代法.

A new normalization method towards instruction substitution that was a commonly used metamorphism approach was proposed.

针对等价指令替换常用变形技术提出了相应的归一化方法.

This paper reviewed the structure, ion-substitution and low thermal expansion of the NZP family materials. And then it indicated the method to prepare NZP materials with the near-zero thermal expansion coefficient and low thermal expansion anisotropy.

本文概述了NZP材料的结构、离子取代、低膨胀机理和性质，并进一步指出了制备近零膨胀、低热膨胀各向异性NZP材料的方法。

The levels of nutrient solution, corn, and soybean had significant effect on stalk degradation ( P0.05). ( 4) Substitution method and emptying-force-feeding method were used to determine the apparent metabolic energy of BFCS separately.

其中营养液、豆粕和玉米的不同水平对纤维素的降解率有显著的影响（P0.05）。（4）分别采用套算法和强饲法测定生物秸秆肉鸡的表观代谢能。

The experiments and practices offer some successful experiences for the popularized application of vibration and substitution method in the reinforcement of similar tailings dames.

试验和实践为振冲置换法在类似尾矿库加固中的推广应用提供了成功经验。

A new method for calculating atomic charges in molecules and quantitative treatment of the orientation effect of electrophilic aromatic substitution reaction

计算分子中原子净电荷的新方法及芳烃亲电取代反应定位效应的定量处理

Study on calculating theoretically line loss using forward and backward substitution method

前推回代法计算理论线损研究