文章结合工程实例介绍在实验室及现场同条件下预应力混凝土用PVC塑料波纹管的检测技术及试验方法。
With some engineering examples, this article introduces some testing techniques and methods of PVC plastic corrugated pipe used in prestressed concrete, both in labs and on the spot.
拿到实验室，经过分离，纯化、分析、修复，获得完整的DNA，然后经过基因工程的方法，成亿倍扩增。
To get the laboratory, after the separation, purification, analysis, repair, access to the full DNA, and then through genetic engineering, into a billion-fold amplification.
这种系统化的实验室设计方法进一步完善了机械工程实验室的建设。
This systematic lab construction method provides some beneficial references for the construction of machine engineering lab.
许多两相流参数的检测技术和方法大都处于实验室应用研究阶段，这与两相流在工程领域的广泛性极其不相适应。
Many detection techniques and methods of two-phase flow are still at laboratory research stage, which is extremely incompact with universality of two-phase flow in the engineering field.
利用该方法为直流脉宽调速系统设计了控制器，并在实验室进行了实现，显示了良好的动态特性，表明控制器具有较大的工程实用价值。
With the CAD Program, controller is designed for the PWM system, Its realization shows good dynamic properties and that the design is valuable in engineering practice.
通过实验室模型试验以及对具体边坡工程的数值模拟相结合的方法分析了在爆炸冲击载荷作用下岩体力学特性的演化过程。
Mold experiment and numerical simulation methods are adopted analyze the mechanical properties evolution of rock mass under blasting shock load in this paper.
本文就生物安全实验室压力控制的不同方法进行比较，介绍了文丘里压力控制阀的基本原理、特点，及工程的实际应用效果。
This paper will compare the different pressure control measure, introduce the principle and characteristic of Venturi pressure control and introduce practice effect.
目前，不同实验室的工程师们用他们的方法去测量时序是电压上的分线性度。
Right now, engineers in different labs use their own techniques to measure timing and voltage nonlinearities.
目前，不同实验室的工程师们用他们的方法去测量时序是电压上的分线性度。
Right now, engineers in different labs use their own techniques to measure timing and voltage nonlinearities.
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